cadcdev-svn-commits — Source Code Repository Updates

[cadcdev-svn-commits] [SCM] branch master updated. 6e42550a3e06a960e16e248ea48eae53fe20e5cb

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  6e42550a3e06a960e16e248ea48eae53fe20e5cb (commit)
      from  86a2f34e0a5fe1e5ae877f766505aa70e614d1a4 (commit)

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- Log -----------------------------------------------------------------
commit 6e42550a3e06a960e16e248ea48eae53fe20e5cb
Author: QuzarDC <qu...@co...>
Date:   Sat Sep 27 08:41:05 2025 -0400

    kos-cc: Don't apply verbose output to version check.
    
    As `KOS_GCCVER` relies on the output of `kos-cc -dumpversion`
    being just the singular value, enabling `KOS_WRAPPERS_VERBOSE`
    breaks the checking that it does by echoing the call ahead
    of the output. To avoid this we have a separate use mode for
    the dumpversion flag which ignores the request for verbose
    output.

-----------------------------------------------------------------------

Summary of changes:
 utils/build_wrappers/kos-cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/utils/build_wrappers/kos-cc b/utils/build_wrappers/kos-cc
index 7365aa09..642a49a2 100755
--- a/utils/build_wrappers/kos-cc
+++ b/utils/build_wrappers/kos-cc
@@ -20,6 +20,11 @@ for i in $ARGS; do
 			# a better way to do this. (scan for any .c?)
 			USEMODE=3
 		;;
+		-dumpversion)
+			# Used for our gcc version test which expects
+			# *just* the output and no verbose output.
+			USEMODE=4
+		;;
 		*)
 		;;
 	esac
@@ -57,4 +62,9 @@ case $USEMODE in
 		fi
 		exec ${KOS_CC} ${KOS_CFLAGS} "$@"
 	;;
+
+	4)
+		# -dumpversion mode. Ignore verbose.
+		exec ${KOS_CC} "$@"
+	;;
 esac


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 86a2f34e0a5fe1e5ae877f766505aa70e614d1a4

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  86a2f34e0a5fe1e5ae877f766505aa70e614d1a4 (commit)
      from  7bf0e0329b23482eae9f5231f39a0843dee407c7 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 86a2f34e0a5fe1e5ae877f766505aa70e614d1a4
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 21:42:15 2025 -0400

    thread: Constify accessor params.
    
    None modify the contents of what is being accessed.
    
    Note that `thd_get_cpu_time` doesn't qualify as it
    will attempt to update the time if being called on
    the current thread. Neither do `thd_get_errno` or
    `thd_get_reent` as the return would discard the
    qualifier.

-----------------------------------------------------------------------

Summary of changes:
 include/kos/thread.h   | 8 ++++----
 kernel/thread/thread.c | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/kos/thread.h b/include/kos/thread.h
index e0b8f9c6..b0124e9e 100644
--- a/include/kos/thread.h
+++ b/include/kos/thread.h
@@ -531,7 +531,7 @@ int thd_set_prio(kthread_t *thd, prio_t prio);
 
     \sa thd_set_prio
 */
-prio_t thd_get_prio(kthread_t *thd);
+prio_t thd_get_prio(const kthread_t *thd);
 
 /** \brief       Retrieve a thread's numeric identifier.
     \relatesalso kthread_t
@@ -541,7 +541,7 @@ prio_t thd_get_prio(kthread_t *thd);
 
     \return                 The identifier of the thread
 */
-tid_t thd_get_id(kthread_t *thd);
+tid_t thd_get_id(const kthread_t *thd);
 
 /** \brief       Retrieve the current thread's kthread struct.
     \relatesalso kthread_t
@@ -559,7 +559,7 @@ kthread_t *thd_get_current(void);
 
     \sa thd_set_label
 */
-const char *thd_get_label(kthread_t *thd);
+const char *thd_get_label(const kthread_t *thd);
 
 /** \brief       Set the thread's label.
     \relatesalso kthread_t
@@ -590,7 +590,7 @@ void thd_set_label(kthread_t *__RESTRICT thd, const char *__RESTRICT label);
 
     \sa thd_set_pd
 */
-const char *thd_get_pwd(kthread_t *thd);
+const char *thd_get_pwd(const kthread_t *thd);
 
 /** \brief       Set the thread's current working directory.
     \relatesalso kthread_t
diff --git a/kernel/thread/thread.c b/kernel/thread/thread.c
index 743d0cf2..aeccf3a1 100644
--- a/kernel/thread/thread.c
+++ b/kernel/thread/thread.c
@@ -568,14 +568,14 @@ int thd_set_prio(kthread_t *thd, prio_t prio) {
     return 0;
 }
 
-prio_t thd_get_prio(kthread_t *thd) {
+prio_t thd_get_prio(const kthread_t *thd) {
     if(!thd)
         thd = thd_current;
 
     return thd->prio;
 }
 
-tid_t thd_get_id(kthread_t *thd) {
+tid_t thd_get_id(const kthread_t *thd) {
     if(!thd)
         thd = thd_current;
 
@@ -873,7 +873,7 @@ int thd_detach(kthread_t *thd) {
 
 /*****************************************************************************/
 /* Retrieve / set thread label */
-const char *thd_get_label(kthread_t *thd) {
+const char *thd_get_label(const kthread_t *thd) {
     if(!thd)
         thd = thd_current;
 
@@ -893,7 +893,7 @@ kthread_t *thd_get_current(void) {
 }
 
 /* Retrieve / set thread pwd */
-const char *thd_get_pwd(kthread_t *thd) {
+const char *thd_get_pwd(const kthread_t *thd) {
     if(!thd)
         thd = thd_current;
 


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 7bf0e0329b23482eae9f5231f39a0843dee407c7

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  7bf0e0329b23482eae9f5231f39a0843dee407c7 (commit)
      from  d5f06d52f7b32af94c49ebf740d55ab0e7487967 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 7bf0e0329b23482eae9f5231f39a0843dee407c7
Author: Paul Cercueil <pa...@cr...>
Date:   Sat Oct 11 19:23:31 2025 +0200

    CI: Temporarily disable exclusion rule for Markdown files
    
    This was added late and is buggy as it causes the toolchain to be built
    always, even for pull requests that don't touch any toolchain-related or
    CI-related files.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

-----------------------------------------------------------------------

Summary of changes:
 .github/workflows/autobuild.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.github/workflows/autobuild.yml b/.github/workflows/autobuild.yml
index c0d31726..35e3d9a0 100644
--- a/.github/workflows/autobuild.yml
+++ b/.github/workflows/autobuild.yml
@@ -52,7 +52,6 @@ jobs:
             - .github/workflows/build-kos.sh
             - .github/workflows/list-profiles.sh
             - utils/dc-chain/**
-            - '!**/*.md'
 
     - name: build-toolchain
       if: steps.filter.outputs.paths == 'true'


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. d5f06d52f7b32af94c49ebf740d55ab0e7487967

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  d5f06d52f7b32af94c49ebf740d55ab0e7487967 (commit)
       via  b5e4fada28fd073fe85b4d6b22527851c9deb2ce (commit)
       via  c0e554920353b16b272f3aef2889040aacc6fb0e (commit)
       via  8c1c79603c5be611f0cb83039b222a2389fda820 (commit)
       via  ed2fd5eec43b586c4217fce7f455d5807fe7b3e3 (commit)
       via  fd6e66dfa66a408afea03494735bd73eb490aa15 (commit)
       via  e8d2f25ac887164ed55c452c31464e23a8d6919e (commit)
      from  37b3e38e701109afc0add0158fed74b3398ff1f3 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit d5f06d52f7b32af94c49ebf740d55ab0e7487967
Author: Paul Cercueil <pa...@cr...>
Date:   Mon May 26 15:31:01 2025 +0200

    CI: Add autobuilder for KallistiOS
    
    Build all the toolchains we have a profile for, as Docker images.
    The toolchains are only built when toolchain-specific or CI files
    change, which means that they are only rebuilt when needed.
    
    In a second step, those toolchains are used to build KallistiOS itself.
    When the toolchains don't need to be updated, only KallistiOS is built,
    which is extremely fast (around 2 minutes vs. 40+ minutes for a full
    build).
    
    When a PR is merged to the master branch, and the toolchains need to be
    updated, the Docker images will be pushed to Docker Hub, which is used
    to host the latest toolchain images.
    
    Those toolchain images will be automatically downloaded and used in the
    case where only KallistiOS is built.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit b5e4fada28fd073fe85b4d6b22527851c9deb2ce
Author: Paul Cercueil <pa...@cr...>
Date:   Sun Aug 24 22:33:38 2025 +0200

    dc-chain: docker: Install coreutils
    
    The AICA toolchain needs the coreutils version of sha512sum to verify
    the integrity of downloaded packages.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit c0e554920353b16b272f3aef2889040aacc6fb0e
Author: Paul Cercueil <pa...@cr...>
Date:   Wed Aug 6 10:30:21 2025 +0200

    docker: Rename 'dc_chain' argument to 'profile'
    
    The name 'dc_chain' was not very descriptive, and also insinuates that
    the Docker file is only for building Dreamcast toolchains.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 8c1c79603c5be611f0cb83039b222a2389fda820
Author: Paul Cercueil <pa...@cr...>
Date:   Wed Aug 6 00:23:25 2025 +0200

    docker: Add "platform" argument
    
    This will permit building Docker images of toolchains that target other
    platforms than the Dreamcast.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit ed2fd5eec43b586c4217fce7f455d5807fe7b3e3
Author: Paul Cercueil <pa...@cr...>
Date:   Wed Aug 6 00:20:49 2025 +0200

    docker: Drop "makejobs" argument
    
    dc-chain will already build in parallel, using a number of jobs that
    corresponds to the number of CPU cores on the system.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit fd6e66dfa66a408afea03494735bd73eb490aa15
Author: Paul Cercueil <pa...@cr...>
Date:   Fri May 30 19:31:32 2025 +0200

    docker: Build KallistiOS from current tree
    
    Rework the Docker script, so that it will use the current KOS tree
    instead of downloading the master branch from the upstream repository.
    
    This makes it possible to generate Docker images from different
    repositories, different branches, or even with local changes.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit e8d2f25ac887164ed55c452c31464e23a8d6919e
Author: Paul Cercueil <pa...@cr...>
Date:   Fri May 30 01:35:24 2025 +0200

    docker: Toolchain builds need bison
    
    Add Bison to the list of dependencies.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

-----------------------------------------------------------------------

Summary of changes:
 .github/build-kos.sh             |  8 ++++
 .github/list-profiles.sh         |  5 +++
 .github/workflows/autobuild.yml  | 93 ++++++++++++++++++++++++++++++++++++++++
 utils/dc-chain/docker/Dockerfile | 20 +++++----
 4 files changed, 118 insertions(+), 8 deletions(-)
 create mode 100755 .github/build-kos.sh
 create mode 100755 .github/list-profiles.sh
 create mode 100644 .github/workflows/autobuild.yml

diff --git a/.github/build-kos.sh b/.github/build-kos.sh
new file mode 100755
index 00000000..f549fb82
--- /dev/null
+++ b/.github/build-kos.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+cd /workspace
+
+cp doc/environ.sh.sample environ.sh
+sed -i "s/KOS_BASE=.*$/KOS_BASE=\\/workspace/" environ.sh
+. environ.sh
+make
diff --git a/.github/list-profiles.sh b/.github/list-profiles.sh
new file mode 100755
index 00000000..1cc2c675
--- /dev/null
+++ b/.github/list-profiles.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+cd `dirname $0`/../utils/dc-chain/profiles
+
+ls -1 */*.mk |awk -F'/' '{gsub(/\.mk$/, "", $2); print "{\"platform\":\""$1"\",\"profile\":\""$2"\"}"}' | jq -R -s -c 'split("\n")[:-1]'
diff --git a/.github/workflows/autobuild.yml b/.github/workflows/autobuild.yml
new file mode 100644
index 00000000..c0d31726
--- /dev/null
+++ b/.github/workflows/autobuild.yml
@@ -0,0 +1,93 @@
+name: Linux build
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+env:
+  dockerhub_user: pcercuei
+
+jobs:
+  matrix:
+    if: github.repository == 'KallistiOS/KallistiOS'
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.setup-matrix.outputs.matrix }}
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Setup matrix
+      id: setup-matrix
+      run: |
+        echo "matrix=$($GITHUB_WORKSPACE/.github/list-profiles.sh)" >> $GITHUB_OUTPUT
+
+  build:
+    needs: matrix
+    if: github.repository == 'KallistiOS/KallistiOS'
+    strategy:
+      fail-fast: false
+      matrix:
+        toolchain: ${{ fromJSON(needs.matrix.outputs.matrix) }}
+
+    runs-on: ubuntu-latest
+
+    env:
+      platform: ${{ fromJSON(matrix.toolchain).platform }}
+      profile: ${{ fromJSON(matrix.toolchain).profile }}
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - uses: dorny/paths-filter@v3
+      id: filter
+      with:
+        filters: |
+          paths:
+            - .github/workflows/autobuild.yml
+            - .github/workflows/build-kos.sh
+            - .github/workflows/list-profiles.sh
+            - utils/dc-chain/**
+            - '!**/*.md'
+
+    - name: build-toolchain
+      if: steps.filter.outputs.paths == 'true'
+      run: >
+        sudo docker build
+        -t $dockerhub_user/$platform-toolchain:$profile
+        --build-arg platform=$platform
+        --build-arg profile=$profile
+        -f $GITHUB_WORKSPACE/utils/dc-chain/docker/Dockerfile
+        $GITHUB_WORKSPACE
+
+    - name: publish
+      if: steps.filter.outputs.paths == 'true' && github.event_name == 'push'
+      run: |
+        echo "${{ secrets.DOCKER_HUB_KEY }}" | sudo docker login -u $dockerhub_user --password-stdin
+        sudo docker push $dockerhub_user/$platform-toolchain:$profile
+        sudo docker logout
+
+    - name: build-kos-check
+      run: |
+        if [ -d $GITHUB_WORKSPACE/kernel/arch/$platform ] ; then
+          echo "BUILD_KOS=true" >> $GITHUB_ENV
+        else
+          echo "BUILD_KOS=false" >> $GITHUB_ENV
+        fi
+
+    - name: build-kos
+      if: env.BUILD_KOS == 'true'
+      run: >
+        # Login to Docker before building to get the usage limits of an authenticated user
+        echo "${{ secrets.DOCKER_HUB_KEY }}" | sudo docker login -u $dockerhub_user --password-stdin
+
+        sudo docker run --rm --name kallistios
+        -v $GITHUB_WORKSPACE:/workspace -w /workspace
+        $dockerhub_user/$platform-toolchain:$profile
+        .github/build-kos.sh $platform
+
+        sudo docker logout
diff --git a/utils/dc-chain/docker/Dockerfile b/utils/dc-chain/docker/Dockerfile
index 8081ce11..41c77291 100644
--- a/utils/dc-chain/docker/Dockerfile
+++ b/utils/dc-chain/docker/Dockerfile
@@ -3,8 +3,8 @@
 #
 # usage:
 #   - build one of the images:
-#       docker build -t dcchain:stable --build-arg dc_chain=stable .
-#       docker build -t dcchain:9.3.0-legacy --build-arg dc_chain=9.3.0-legacy --build-arg makejobs=4 .
+#       docker build -t dcchain:stable --build-arg profile=stable -f ./Dockerfile $KOS_BASE
+#       docker build -t dcchain:9.3.0-legacy --build-arg profile=9.3.0-legacy -f ./Dockerfile $KOS_BASE
 #   - create and run a container, e.g. for stable:
 #       docker run -it --name containername dcchain:stable /bin/bash
 
@@ -14,7 +14,9 @@ MAINTAINER KallistiOS <cad...@li...>
 
 # Installing prerequisites
 RUN apk --update add --no-cache \
+        bison \
         build-base \
+        coreutils \
         gmp-dev \
         mpfr-dev \
         mpc1-dev \
@@ -34,12 +36,14 @@ RUN apk --update add --no-cache \
 
 # Making Sega Dreamcast toolchains
 # You may adapt the KallistiOS repository URL if needed
-ARG dc_chain=stable
-ARG makejobs=2
-RUN mkdir -p /opt/toolchains/dc \
-	&& git clone https://git.code.sf.net/p/cadcdev/kallistios /opt/toolchains/dc/kos || git clone https://github.com/KallistiOS/KallistiOS.git /opt/toolchains/dc/kos \
-	&& cd /opt/toolchains/dc/kos/utils/dc-chain \
-	&& make build toolchain_profile=$dc_chain makejobs=$makejobs \
+ARG platform=dreamcast
+ARG profile=stable
+
+RUN mkdir -p /opt/toolchains/dc
+COPY . /opt/toolchains/dc/kos
+
+RUN cd /opt/toolchains/dc/kos/utils/dc-chain \
+	&& make build platform=$platform toolchain_profile=$profile \
 	&& rm -rf /opt/toolchains/dc/kos
 
 # Stage 2


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 37b3e38e701109afc0add0158fed74b3398ff1f3

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  37b3e38e701109afc0add0158fed74b3398ff1f3 (commit)
      from  62f93b8ab81c39ee6c794d03d79270f5d5c63771 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 37b3e38e701109afc0add0158fed74b3398ff1f3
Author: kapodamy <168...@us...>
Date:   Fri Oct 10 22:26:32 2025 -0300

    Add missing/correct integer cast (#1226)
    
    `tv_nsec`'s backing implementation is signed, so this helps avoid possible warnings.

-----------------------------------------------------------------------

Summary of changes:
 include/kos/timer.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/kos/timer.h b/include/kos/timer.h
index fba1db59..89185e98 100644
--- a/include/kos/timer.h
+++ b/include/kos/timer.h
@@ -51,7 +51,7 @@ static inline timespec_t timer_gettime(void) {
 static inline uint64_t timer_ms_gettime64(void) {
     timespec_t time = timer_gettime();
 
-    return (uint64_t)time.tv_sec * 1000 + time.tv_nsec / 1000000;
+    return (uint64_t)time.tv_sec * 1000 + (uint64_t)(time.tv_nsec / 1000000);
 }
 
 /** \brief   Get the current uptime of the system (in microseconds).
@@ -64,7 +64,7 @@ static inline uint64_t timer_ms_gettime64(void) {
 static inline uint64_t timer_us_gettime64(void) {
     timespec_t time = timer_gettime();
 
-    return (uint64_t)time.tv_sec * 1000000 + time.tv_nsec / 1000;
+    return (uint64_t)time.tv_sec * 1000000 + (uint64_t)(time.tv_nsec / 1000);
 }
 
 /** \brief   Get the current uptime of the system (in nanoseconds).
@@ -77,7 +77,7 @@ static inline uint64_t timer_us_gettime64(void) {
 static inline uint64_t timer_ns_gettime64(void) {
     timespec_t time = timer_gettime();
 
-    return (uint64_t)time.tv_sec * 1000000000 + time.tv_nsec;
+    return (uint64_t)time.tv_sec * 1000000000 + (uint64_t)time.tv_nsec;
 }
 
 /** \brief   Get the current uptime of the system (in secs and millisecs).
@@ -98,7 +98,7 @@ static inline void timer_ms_gettime(uint32_t *secs, uint32_t *msecs) {
     timespec_t time = timer_gettime();
 
     if(secs)  *secs = time.tv_sec;
-    if(msecs) *msecs = time.tv_nsec / 1000000;
+    if(msecs) *msecs = (uint32_t)(time.tv_nsec / 1000000);
 }
 
 /** \brief   Get the current uptime of the system (in secs and microsecs).
@@ -120,7 +120,7 @@ static inline void timer_us_gettime(uint32_t *secs, uint32_t *usecs) {
     timespec_t time = timer_gettime();
 
     if(secs)  *secs = time.tv_sec;
-    if(usecs) *usecs = time.tv_nsec / 1000;
+    if(usecs) *usecs = (uint32_t)(time.tv_nsec / 1000);
 }
 
 /** \brief   Get the current uptime of the system (in secs and nanosecs).
@@ -142,7 +142,7 @@ static inline void timer_ns_gettime(uint32_t *secs, uint32_t *nsecs) {
     timespec_t time = timer_gettime();
 
     if(secs)  *secs = time.tv_sec;
-    if(nsecs) *nsecs = time.tv_nsec;
+    if(nsecs) *nsecs = (uint32_t)time.tv_nsec;
 }
 
 /** \brief  Spin-loop delay function with microsecond granularity


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 62f93b8ab81c39ee6c794d03d79270f5d5c63771

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  62f93b8ab81c39ee6c794d03d79270f5d5c63771 (commit)
       via  f2a478156b6c2956bca53823574e4a229a621d73 (commit)
      from  89817fd127fc605af3f49e28853918171fbd6229 (commit)

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- Log -----------------------------------------------------------------
commit 62f93b8ab81c39ee6c794d03d79270f5d5c63771
Author: Paul Cercueil <pa...@cr...>
Date:   Sat Oct 4 17:18:17 2025 +0200

    pvr: Add missing 'return' to pvr_set_vertical_scale()
    
    The success path did not return anything.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit f2a478156b6c2956bca53823574e4a229a621d73
Author: Paul Cercueil <pa...@cr...>
Date:   Sat Oct 4 17:11:27 2025 +0200

    Mark linker symbols as uint8_t arrays
    
    And move the definitions to the new <kos/linker.h> header.
    
    Referencing the linker symbols as "extern uintptr_t" has a drawback: the
    compiler considers that the memory area covered is just 4 bytes, and
    will therefore complain if memcpy() tries to copy more than 4 bytes
    from/to there. This happens in Bloom, which stores some init data into
    the BSS section.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

-----------------------------------------------------------------------

Summary of changes:
 include/kos.h                                 |  1 +
 include/kos/linker.h                          | 27 +++++++++++++++++++++++++++
 kernel/arch/dreamcast/hardware/pvr/pvr_misc.c |  2 ++
 kernel/arch/dreamcast/kernel/init.c           |  6 ++----
 4 files changed, 32 insertions(+), 4 deletions(-)
 create mode 100644 include/kos/linker.h

diff --git a/include/kos.h b/include/kos.h
index 06fa977f..17d5f02f 100644
--- a/include/kos.h
+++ b/include/kos.h
@@ -39,6 +39,7 @@ __BEGIN_DECLS
 #include <kos/fs_dev.h>
 #include <kos/fs_pty.h>
 #include <kos/limits.h>
+#include <kos/linker.h>
 #include <kos/thread.h>
 #include <kos/sem.h>
 #include <kos/rwsem.h>
diff --git a/include/kos/linker.h b/include/kos/linker.h
new file mode 100644
index 00000000..7a4e6e52
--- /dev/null
+++ b/include/kos/linker.h
@@ -0,0 +1,27 @@
+/* KallistiOS ##version##
+
+   include/kos/linker.h
+   Copyright (C) 2025 Paul Cercueil
+*/
+
+/** \file    kos/linker.h
+    \brief   Linker script related definitions and macros.
+    \ingroup linker
+
+    \author Paul Cercueil
+*/
+
+#ifndef __KOS_LINKER_H
+#define __KOS_LINKER_H
+
+#include <kos/cdefs.h>
+__BEGIN_DECLS
+
+#include <stdint.h>
+
+extern uint8_t _bss_start[];
+extern uint8_t end[];
+
+__END_DECLS
+
+#endif /* __KOS_LINKER_H */
diff --git a/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c b/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
index 8e6cd09b..eff80f2e 100644
--- a/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
+++ b/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
@@ -304,4 +304,6 @@ int pvr_set_vertical_scale(float factor) {
     cfg |= FIELD_PREP(PVR_SCALER_CFG_VSCALE_FACTOR, f16);
 
     PVR_SET(PVR_SCALER_CFG, cfg);
+
+    return 0;
 }
diff --git a/kernel/arch/dreamcast/kernel/init.c b/kernel/arch/dreamcast/kernel/init.c
index d459ad19..2287c6c2 100644
--- a/kernel/arch/dreamcast/kernel/init.c
+++ b/kernel/arch/dreamcast/kernel/init.c
@@ -14,6 +14,7 @@
 #include <kos/dbgio.h>
 #include <kos/dbglog.h>
 #include <kos/init.h>
+#include <kos/linker.h>
 #include <kos/platform.h>
 #include <kos/timer.h>
 #include <arch/arch.h>
@@ -30,8 +31,6 @@
 
 #include "initall_hdrs.h"
 
-extern uintptr_t _bss_start, end;
-
 /* ctor/dtor stuff from libgcc. */
 #if __GNUC__ == 4
 #define _init init
@@ -281,7 +280,6 @@ void  __weak_symbol arch_auto_shutdown(void) {
 
 /* This is the entry point inside the C program */
 void arch_main(void) {
-    uint8 *bss_start = (uint8 *)(&_bss_start);
     int rv;
 
     dma_init();
@@ -297,7 +295,7 @@ void arch_main(void) {
         __kos_init_early_fn();
 
     /* Clear out the BSS area */
-    memset(bss_start, 0, (uintptr_t)(&end) - (uintptr_t)bss_start);
+    memset(_bss_start, 0, (uintptr_t)end - (uintptr_t)_bss_start);
 
     /* Do auto-init stuff */
     arch_auto_init();


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-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 89817fd127fc605af3f49e28853918171fbd6229

[kosmirror <kos...@us...>]

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generated because a ref change was pushed to the repository containing
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The branch, master has been updated
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- Log -----------------------------------------------------------------
commit 89817fd127fc605af3f49e28853918171fbd6229
Author: Paul Cercueil <pa...@cr...>
Date:   Thu Oct 2 12:15:41 2025 +0200

    examples: pvr/fb_tex: Force vertical scale to 1.0f
    
    The default vertical scale is actually 0.999f when a regular A/V cable
    is plugged. This won't work properly here, as the error will accumulate
    in the framebuffer, causing a rather neat fading effect towards the
    center (but not what we want in this example).
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit c1b2ec788d2e584f892fd67fbcf2fca00726ca74
Author: Paul Cercueil <pa...@cr...>
Date:   Thu Oct 2 12:09:46 2025 +0200

    pvr: Add function pvr_set_vertical_scale()
    
    This function can be used to configure a different vertical scale factor
    used when the PVR scene is rendered to the framebuffer. It can be used
    by an application when the default setting (1.0x for VGA and 0.999x for
    RGB) is not good enough.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit c624e70a7fdf4bfdef1b513323e567c953bd115c
Author: Paul Cercueil <pa...@cr...>
Date:   Thu Oct 2 12:08:24 2025 +0200

    pvr: Clean up handling of PVR_SCALER_CFG register
    
    Rework the code a bit so that it is more understandable.
    
    Use regfield macros to clean it up.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

-----------------------------------------------------------------------

Summary of changes:
 examples/dreamcast/pvr/fb_tex/fb_tex.c             |  6 ++++++
 .../dreamcast/hardware/pvr/pvr_init_shutdown.c     | 21 +++++++++------------
 kernel/arch/dreamcast/hardware/pvr/pvr_misc.c      | 22 ++++++++++++++++++++++
 kernel/arch/dreamcast/include/dc/pvr/pvr_misc.h    | 14 ++++++++++++++
 kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h    | 10 ++++++++++
 5 files changed, 61 insertions(+), 12 deletions(-)

diff --git a/examples/dreamcast/pvr/fb_tex/fb_tex.c b/examples/dreamcast/pvr/fb_tex/fb_tex.c
index 2eb896e5..661d27f4 100644
--- a/examples/dreamcast/pvr/fb_tex/fb_tex.c
+++ b/examples/dreamcast/pvr/fb_tex/fb_tex.c
@@ -203,6 +203,12 @@ int main(int argc, char **argv) {
     /* Set the stride length for strided textures. */
     pvr_txr_set_stride(640);
 
+    /* The default vertical scale is actually 0.999f when a regular A/V cable
+     * is plugged. This won't work properly here, as the error will accumulate
+     * in the framebuffer, causing a rather neat fading effect towards the
+     * center (but not what we want in this example). */
+    pvr_set_vertical_scale(1.0f);
+
     fake_tex = pvr_mem_malloc(sizeof(fake_tex_data));
     pvr_txr_load(fake_tex_data, fake_tex, sizeof(fake_tex_data));
 
diff --git a/kernel/arch/dreamcast/hardware/pvr/pvr_init_shutdown.c b/kernel/arch/dreamcast/hardware/pvr/pvr_init_shutdown.c
index 7aa3b019..44df16e4 100644
--- a/kernel/arch/dreamcast/hardware/pvr/pvr_init_shutdown.c
+++ b/kernel/arch/dreamcast/hardware/pvr/pvr_init_shutdown.c
@@ -57,6 +57,8 @@ int pvr_init_defaults(void) {
    come from the texture memory pool! Expects that a 2D mode was
    initialized already using the vid_* API. */
 int pvr_init(const pvr_init_params_t *params) {
+    uint16_t vscale = 1024;
+
     /* If we're already initialized, fail */
     if(pvr_state.valid == 1) {
         dbglog(DBG_WARNING, "pvr: pvr_init called twice!\n");
@@ -130,21 +132,16 @@ int pvr_init(const pvr_init_params_t *params) {
     /* If we're on a VGA box, disable vertical smoothing */
     if(vid_mode->cable_type == CT_VGA) {
         dbglog(DBG_KDEBUG, "pvr: disabling vertical scaling for VGA\n");
-
-        if(pvr_state.fsaa)
-            PVR_SET(PVR_SCALER_CFG, 0x10400);
-        else
-            PVR_SET(PVR_SCALER_CFG, 0x400);
-    }
-    else {
+    } else {
         dbglog(DBG_KDEBUG, "pvr: enabling vertical scaling for non-VGA\n");
-
-        if(pvr_state.fsaa)
-            PVR_SET(PVR_SCALER_CFG, 0x10401);
-        else
-            PVR_SET(PVR_SCALER_CFG, 0x401);
+        vscale++;
     }
 
+    /* Set horizontal / vertical scale factors */
+    PVR_SET(PVR_SCALER_CFG,
+            FIELD_PREP(PVR_SCALER_CFG_FSAA, pvr_state.fsaa) |
+            FIELD_PREP(PVR_SCALER_CFG_VSCALE_FACTOR, vscale));
+
     /* Hook the PVR interrupt events on G2 */
     pvr_state.vbl_handle = vblank_handler_add(pvr_vblank_handler, NULL);
     
diff --git a/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c b/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
index e9ebf611..8e6cd09b 100644
--- a/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
+++ b/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
@@ -283,3 +283,25 @@ pvr_ptr_t pvr_get_front_buffer(void) {
        addressable from the 64-bit memory */
     return (pvr_ptr_t)(addr * 2 + PVR_RAM_BASE);
 }
+
+int pvr_set_vertical_scale(float factor) {
+    uint32_t f16;
+    uint32_t cfg;
+
+    if(factor == 0.0f)
+        return -1;
+
+    f16 = 1024.0f / factor;
+
+    if(f16 == 0 || f16 >= 65536)
+        return -1;
+
+    irq_disable_scoped();
+
+    cfg = PVR_GET(PVR_SCALER_CFG);
+
+    cfg &= ~PVR_SCALER_CFG_VSCALE_FACTOR;
+    cfg |= FIELD_PREP(PVR_SCALER_CFG_VSCALE_FACTOR, f16);
+
+    PVR_SET(PVR_SCALER_CFG, cfg);
+}
diff --git a/kernel/arch/dreamcast/include/dc/pvr/pvr_misc.h b/kernel/arch/dreamcast/include/dc/pvr/pvr_misc.h
index 22478a1f..5c7bdbaf 100644
--- a/kernel/arch/dreamcast/include/dc/pvr/pvr_misc.h
+++ b/kernel/arch/dreamcast/include/dc/pvr/pvr_misc.h
@@ -115,6 +115,20 @@ void pvr_set_shadow_scale(bool enable, float scale_value);
 */
 void pvr_set_zclip(float zc);
 
+/** \brief   Set the vertical scale factor.
+    \ingroup pvr_global
+
+    This function sets the vertical scale factor used when the PVR scene is
+    rendered to the framebuffer. Generally you want 1.0f or near-1.0f values
+    here. The default used by the PVR driver is 1.0f when using VGA, and 0.999f
+    otherwise. Having a value slightly below 1.0f gives the image a pleasant
+    smoothing.
+
+    \retval 0               On success
+    \retval -1              On invalid factor value
+*/
+int pvr_set_vertical_scale(float factor);
+
 /** \brief   Set the translucent polygon sort mode for the next frame.
     \ingroup pvr_scene_mgmt
 
diff --git a/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h b/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h
index 8905596a..10076d6e 100644
--- a/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h
+++ b/kernel/arch/dreamcast/include/dc/pvr/pvr_regs.h
@@ -218,6 +218,16 @@ __BEGIN_DECLS
 #define PVR_TXR_STRIDE_MULT GENMASK(4, 0)   /**< \brief Bottom 5 bits contain the size when using PVR_TXRFMT_X32_STRIDE */
 /** @} */
 
+/** \defgroup pvr_scaler    PVR_SCALER_CFG Values
+    \brief                  Definitions for the fields of the PVR_SCALER_CFG register.
+    \ingroup                pvr_registers
+    @{
+*/
+#define PVR_SCALER_CFG_FSAA BIT(16)  /**< \brief Enable FSAA */
+
+#define PVR_SCALER_CFG_VSCALE_FACTOR GENMASK(15, 0) /**< \brief Vertical scale factor = 1024 / value */
+/** @} */
+
 __END_DECLS
 
 #endif  /* __DC_PVR_PVR_REGS_H */


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[cadcdev-svn-commits] [SCM] branch master updated. c9465a67e9ca5df6a82a1c10d1145febb2915ee8

[kosmirror <kos...@us...>]

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       via  c9465a67e9ca5df6a82a1c10d1145febb2915ee8 (commit)
      from  c601a70e93d67872953d2c091d496101c5692c56 (commit)

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- Log -----------------------------------------------------------------
commit c9465a67e9ca5df6a82a1c10d1145febb2915ee8
Author: darc <da...@pr...>
Date:   Thu Oct 2 12:27:00 2025 -0500

    environ.sh.sample: Fix the comment describing the behavior of the no-PIC KOS_CFLAG

-----------------------------------------------------------------------

Summary of changes:
 doc/environ.sh.sample | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/environ.sh.sample b/doc/environ.sh.sample
index efccb33d..ad6ce82b 100644
--- a/doc/environ.sh.sample
+++ b/doc/environ.sh.sample
@@ -161,7 +161,7 @@ export KOS_CFLAGS="${KOS_CFLAGS} -O2"
 
 # Position-Independent Code
 #
-# Comment this line out to enable position-dependent code. Codegen is slightly
+# Comment this line out to enable position-independent code. Codegen is slightly
 # slower, and you lose a register, but it's required when building dynamically
 # linked libraries or code whose symbols aren't resolved until runtime.
 #


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A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. c601a70e93d67872953d2c091d496101c5692c56

[kosmirror <kos...@us...>]

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generated because a ref change was pushed to the repository containing
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The branch, master has been updated
       via  c601a70e93d67872953d2c091d496101c5692c56 (commit)
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- Log -----------------------------------------------------------------
commit c601a70e93d67872953d2c091d496101c5692c56
Author: QuzarDC <qu...@co...>
Date:   Mon Sep 29 19:13:11 2025 -0400

    dc-chain: Update docs and mingw patch for sys/sched.h removal
    
    Cleaning up after the removal of the patch in #1208. The
    default `sys/sched.h` from newlib is used instead.

-----------------------------------------------------------------------

Summary of changes:
 utils/dc-chain/doc/mingw/packages/fixup-sh4-newlib.sh | 1 -
 utils/dc-chain/patches/README.md                      | 1 -
 2 files changed, 2 deletions(-)

diff --git a/utils/dc-chain/doc/mingw/packages/fixup-sh4-newlib.sh b/utils/dc-chain/doc/mingw/packages/fixup-sh4-newlib.sh
index ddc49717..b8f218b2 100644
--- a/utils/dc-chain/doc/mingw/packages/fixup-sh4-newlib.sh
+++ b/utils/dc-chain/doc/mingw/packages/fixup-sh4-newlib.sh
@@ -17,4 +17,3 @@ cp -r $kos_base/kernel/arch/dreamcast/include/dc $newlib_inc
 # they are already "cp" instructions.
 cp $kos_base/include/pthread.h $newlib_inc
 cp $kos_base/include/sys/_pthread.h $newlib_inc/sys
-cp $kos_base/include/sys/sched.h $newlib_inc/sys
diff --git a/utils/dc-chain/patches/README.md b/utils/dc-chain/patches/README.md
index 29f447a1..9b60d6a6 100644
--- a/utils/dc-chain/patches/README.md
+++ b/utils/dc-chain/patches/README.md
@@ -25,7 +25,6 @@ Generic `newlib` fixups (applied directly after `newlib` is installed):
 ```
 cp $(kos_base)/include/pthread.h $(newlib_inc)                       # KOS pthread.h is modified
 cp $(kos_base)/include/sys/_pthread.h $(newlib_inc)/sys              # to define _POSIX_THREADS
-cp $(kos_base)/include/sys/sched.h $(newlib_inc)/sys                 # pthreads to kthreads mapping
 ln -nsf $(kos_base)/include/kos $(newlib_inc)                        # so KOS includes are available as kos/file.h
 ln -nsf $(kos_base)/kernel/arch/dreamcast/include/arch $(newlib_inc) # kos/thread.h requires arch/arch.h
 ln -nsf $(kos_base)/kernel/arch/dreamcast/include/dc   $(newlib_inc) # arch/arch.h requires dc/video.h


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commit c6df54ce9cb887569312e929a59dd12539bf1b85
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 22:46:29 2025 -0400

    libppp: Remove incorrect usages of `__fallthrough`
    
    The fallthrough attribute is only correctly used when
    in a switch statement after a preceeding statement. In
    these cases there were no preceeding statements, so
    there will also be no implicit fallthrough warnings.

commit 026575d488a452af85bcec93223265b5818d1064
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 21:11:14 2025 -0400

    libkosext2fs: Avoid shifting signed values too far.

commit faec4393a9701910544d87a59675572c522a14eb
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 21:10:30 2025 -0400

    net: Set appropriate printf format specifier for size_t values.

commit 12a1e70747317a978d457e93a7ce2dcd621f7bd9
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 21:04:46 2025 -0400

    fs_pty: Use unsigned int for id value.
    
    It's not possible for the id to be set to
    a negative value, and having it as a signed
    int created a mismatch with `sscanf`'s prototype.

commit dc6f500d559658cf0deb0876653f2d2b5592240a
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 20:43:25 2025 -0400

    fs_dclsocket: Initialize stat before passing to syscall.

commit f6b5f2da9abd67d28e45d0f863f91db629ad4179
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 20:17:20 2025 -0400

    entry.s: Add newline to end of file.
    
    Assembler was warning about it and inserting one to avoid
    the file ending with a comment.

commit 498d9d3bca9a1a8cdee451fae02d6117500f86f9
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 19:31:25 2025 -0400

    fs_dclsocket: Avoid possible null deref.
    
    This could happen when building for naomi as no net
    device is being specified. This code should be unreachable
    in those cases, but this will quiet the warnings.

commit ba0cb2b6a3583f2d3340f43bbc104d6f315917d8
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 15:28:30 2025 -0400

    timer: Explicitly cast ticks to `long int`
    
    `timespec.tv_nsec` is implemented as a `long int` while our
    `timer_val_t.ticks` is a `uint32_t`. The value will always
    be limited to 999999999 as it's a count of ns, but without
    explicit casting this will trigger a narrowing warning.

-----------------------------------------------------------------------

Summary of changes:
 addons/libkosext2fs/bitops.c               | 8 ++++----
 addons/libppp/ipcp.c                       | 3 ---
 kernel/arch/dreamcast/fs/fs_dclsocket.c    | 4 +++-
 kernel/arch/dreamcast/include/arch/timer.h | 2 +-
 kernel/arch/dreamcast/kernel/entry.s       | 2 +-
 kernel/fs/fs_pty.c                         | 6 +++---
 kernel/net/net_icmp.c                      | 4 ++--
 kernel/net/net_icmp6.c                     | 4 ++--
 8 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/addons/libkosext2fs/bitops.c b/addons/libkosext2fs/bitops.c
index f37ed673..71982e82 100644
--- a/addons/libkosext2fs/bitops.c
+++ b/addons/libkosext2fs/bitops.c
@@ -18,7 +18,7 @@ uint32_t ext2_bit_find_nonzero(const uint32_t *btbl, uint32_t start,
         tmp = btbl[i];
         if(tmp != 0) {
             for(; j < 32; ++j) {
-                if(tmp & (1 << j))
+                if(tmp & (1u << j))
                     return (i << 5) | j;
             }
         }
@@ -31,7 +31,7 @@ uint32_t ext2_bit_find_nonzero(const uint32_t *btbl, uint32_t start,
         tmp = btbl[i];
         if(tmp != 0) {
             for(; j < (end & 0x1F); ++j) {
-                if(tmp & (1 << j))
+                if(tmp & (1u << j))
                     return (i << 5) | j;
             }
         }
@@ -52,7 +52,7 @@ uint32_t ext2_bit_find_zero(const uint32_t *btbl, uint32_t start,
         tmp = btbl[i];
         if(tmp != 0xFFFFFFFF) {
             for(; j < 32; ++j) {
-                if(!(tmp & (1 << j)))
+                if(!(tmp & (1u << j)))
                     return (i << 5) | j;
             }
         }
@@ -65,7 +65,7 @@ uint32_t ext2_bit_find_zero(const uint32_t *btbl, uint32_t start,
         tmp = btbl[i];
         if(tmp != 0xFFFFFFFF) {
             for(; j < (end & 0x1F); ++j) {
-                if(!(tmp & (1 << j)))
+                if(!(tmp & (1u << j)))
                     return (i << 5) | j;
             }
         }
diff --git a/addons/libppp/ipcp.c b/addons/libppp/ipcp.c
index 80051b51..a1654882 100644
--- a/addons/libppp/ipcp.c
+++ b/addons/libppp/ipcp.c
@@ -177,7 +177,6 @@ static int ipcp_handle_configure_req(ppp_protocol_t *self,
 
         case PPP_STATE_OPENED:
             /* XXXX: This layer down. */
-            __fallthrough;
 
         case PPP_STATE_STOPPED:
             ipcp_send_client_cfg(self, 0);
@@ -390,7 +389,6 @@ static int ipcp_handle_configure_ack(ppp_protocol_t *self,
         case PPP_STATE_OPENED:
             /* Uh oh... Something's gone wrong. */
             /* XXXX: This layer down. */
-            __fallthrough;
 
         case PPP_STATE_ACK_RECEIVED:
             /* Well, this isn't good... Resend the configure request and back
@@ -440,7 +438,6 @@ static int ipcp_handle_configure_nak(ppp_protocol_t *self,
 
         case PPP_STATE_OPENED:
             /* XXXX: This layer down. */
-            __fallthrough;
 
         case PPP_STATE_REQUEST_SENT:
         case PPP_STATE_ACK_RECEIVED:
diff --git a/kernel/arch/dreamcast/fs/fs_dclsocket.c b/kernel/arch/dreamcast/fs/fs_dclsocket.c
index 72e32466..b91a6bff 100644
--- a/kernel/arch/dreamcast/fs/fs_dclsocket.c
+++ b/kernel/arch/dreamcast/fs/fs_dclsocket.c
@@ -171,6 +171,8 @@ static void dcls_recv_loop(void) {
     while(!escape) {
         /* If we're in an interrupt, this works differently.... */
         if(irq_inside_int()) {
+            if(!net_default_dev)
+                break;
             /* Since we can't count on an interrupt happening, handle it
                manually, and poll the default device... */
             net_default_dev->if_rx_poll(net_default_dev);
@@ -512,7 +514,7 @@ static int dcls_unlink(vfs_handler_t *vfs, const char *fn) {
 static int dcls_stat(vfs_handler_t *vfs, const char *fn, struct stat *rv,
                      int flag) {
     command_t *cmd = (command_t *)pktbuf;
-    dcload_stat_t filestat;
+    dcload_stat_t filestat = { 0 };
 
     (void)flag;
 
diff --git a/kernel/arch/dreamcast/include/arch/timer.h b/kernel/arch/dreamcast/include/arch/timer.h
index 99694a32..6a235152 100644
--- a/kernel/arch/dreamcast/include/arch/timer.h
+++ b/kernel/arch/dreamcast/include/arch/timer.h
@@ -262,7 +262,7 @@ static inline struct timespec arch_timer_gettime(void) {
     /* Convert from ticks to nanoseconds: each clock tick is 80ns. */
     return (struct timespec){
         .tv_sec = time.secs,
-        .tv_nsec = time.ticks * 80,
+        .tv_nsec = (long int)(time.ticks * 80),
     };
 }
 
diff --git a/kernel/arch/dreamcast/kernel/entry.s b/kernel/arch/dreamcast/kernel/entry.s
index 1ee06592..c7416cc7 100644
--- a/kernel/arch/dreamcast/kernel/entry.s
+++ b/kernel/arch/dreamcast/kernel/entry.s
@@ -342,4 +342,4 @@ _vma_table_400:		! TLB miss exceptions (MMU)
 _vma_table_600:		! IRQs
 	nop
 	bra	_irq_save_regs
-	mov	#3,r4			! Set exception code
\ No newline at end of file
+	mov	#3,r4			! Set exception code
diff --git a/kernel/fs/fs_pty.c b/kernel/fs/fs_pty.c
index 11f5c90e..c843fcb2 100644
--- a/kernel/fs/fs_pty.c
+++ b/kernel/fs/fs_pty.c
@@ -60,7 +60,7 @@ typedef struct ptyhalf {
 
     int refcnt;             /* When this reaches zero, we close */
 
-    int id;
+    unsigned int id;
 
     mutex_t     mutex;
     condvar_t   ready_read, ready_write;
@@ -329,7 +329,7 @@ static void *pty_open_file(const char *fn, int mode) {
        handle fds of our own here thanks to the VFS layer, just reference
        counting so a pty can be opened by more than one process. */
     int     master;
-    int     id;
+    unsigned int id;
     ptyhalf_t   *ph;
     pipefd_t    *fdobj;
 
@@ -678,7 +678,7 @@ static dirent_t *pty_readdir(void *h) {
 static int pty_stat(vfs_handler_t *vfs, const char *path, struct stat *st,
                     int flag) {
     ptyhalf_t *ph;
-    int id;
+    unsigned int id;
     int master;
     size_t len = strlen(path);
 
diff --git a/kernel/net/net_icmp.c b/kernel/net/net_icmp.c
index 4559377b..de29f5cc 100644
--- a/kernel/net/net_icmp.c
+++ b/kernel/net/net_icmp.c
@@ -60,12 +60,12 @@ static void icmp_default_echo_cb(const uint8_t *ip, uint16_t seq, uint64_t delta
     (void)data;
 
     if(delta_us != (uint64_t) - 1) {
-        printf("%d bytes from %d.%d.%d.%d: icmp_seq=%d ttl=%d time=%.3f ms\n",
+        printf("%zu bytes from %d.%d.%d.%d: icmp_seq=%d ttl=%d time=%.3f ms\n",
                data_sz, ip[0], ip[1], ip[2], ip[3], seq, ttl,
                delta_us / 1000.0);
     }
     else {
-        printf("%d bytes from %d.%d.%d.%d: icmp_seq=%d ttl=%d\n", data_sz,
+        printf("%zu bytes from %d.%d.%d.%d: icmp_seq=%d ttl=%d\n", data_sz,
                ip[0], ip[1], ip[2], ip[3], seq, ttl);
     }
 }
diff --git a/kernel/net/net_icmp6.c b/kernel/net/net_icmp6.c
index d3ce4e7d..52cb5111 100644
--- a/kernel/net/net_icmp6.c
+++ b/kernel/net/net_icmp6.c
@@ -53,11 +53,11 @@ static void icmp6_default_echo_cb(const struct in6_addr *ip, uint16_t seq,
     inet_ntop(AF_INET6, ip, ipstr, INET6_ADDRSTRLEN);
 
     if(delta_us != (uint64_t) - 1) {
-        printf("%d bytes from %s, icmp_seq=%d hlim=%d time=%.3f ms\n", data_sz,
+        printf("%zu bytes from %s, icmp_seq=%d hlim=%d time=%.3f ms\n", data_sz,
                ipstr, seq, hlim, delta_us / 1000.0);
     }
     else {
-        printf("%d bytes from %s, icmp_seq=%d hlim=%d\n", data_sz, ipstr, seq,
+        printf("%zu bytes from %s, icmp_seq=%d hlim=%d\n", data_sz, ipstr, seq,
                hlim);
     }
 }


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 694e333fa60be8eaf078156c7d89a5e05d369254

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  694e333fa60be8eaf078156c7d89a5e05d369254 (commit)
      from  8fb6ea27eb3fd8f6f1d08bdafffa627883b17185 (commit)

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not appeared on any other notification email; so we list those
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- Log -----------------------------------------------------------------
commit 694e333fa60be8eaf078156c7d89a5e05d369254
Author: QuzarDC <qu...@co...>
Date:   Sun Sep 28 21:29:29 2025 -0400

    `maple`: Add attribute to non-NUL-terminated strings.
    
    `maple_devinfo_t::product_*` are stored in the device
    and are not guaranteed to be NUL-terminated. Since #551
    these haven't been force-truncated to ensure that. The
    attribute should help produce more appropriate warnings
    when using the struct members.

-----------------------------------------------------------------------

Summary of changes:
 kernel/arch/dreamcast/include/dc/maple.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/arch/dreamcast/include/dc/maple.h b/kernel/arch/dreamcast/include/dc/maple.h
index 4c359459..eb539e05 100644
--- a/kernel/arch/dreamcast/include/dc/maple.h
+++ b/kernel/arch/dreamcast/include/dc/maple.h
@@ -229,7 +229,7 @@ typedef struct maple_frame {
     This structure is used by the hardware to deliver the response to the device
     info request.
 
-    \note product_name and product_license are not guaranteed to be NULL terminated.
+    \note product_name and product_license are not guaranteed to be NUL terminated.
 
     \headerfile dc/maple.h
 */
@@ -238,8 +238,8 @@ typedef struct maple_devinfo {
     uint32  function_data[3];       /**< \brief Additional data per function */
     uint8   area_code;              /**< \brief Region code */
     uint8   connector_direction;    /**< \brief 0: UP (most controllers), 1: DOWN (lightgun, microphones) */
-    char    product_name[30];       /**< \brief Name of device */
-    char    product_license[60];    /**< \brief License statement */
+    char    product_name[30] __attribute__ ((nonstring));       /**< \brief Name of device */
+    char    product_license[60] __attribute__ ((nonstring));    /**< \brief License statement */
     uint16  standby_power;          /**< \brief Power consumption (standby) */
     uint16  max_power;              /**< \brief Power consumption (max) */
 } maple_devinfo_t;


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. d77ceb46f196f1866515524ed6d814eb5108268a

[quzar <qu...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "An image loading library.".

The branch, master has been updated
       via  d77ceb46f196f1866515524ed6d814eb5108268a (commit)
      from  0b66623cea623ac7478b501704af432c57e0475a (commit)

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- Log -----------------------------------------------------------------
commit d77ceb46f196f1866515524ed6d814eb5108268a
Author: QuzarDC <qu...@co...>
Date:   Tue Sep 23 21:27:39 2025 -0400

    Update to use stdint types.
    
    This was the last piece of in-house software that was using
    the `<arch/types.h>` types implicitly via the way they were
    being inappropriately added to `<sys/_types.h>`.

-----------------------------------------------------------------------

Summary of changes:
 imageload.c         | 22 +++++++++++-----------
 include/imageload.h | 26 +++++++++++++-------------
 readjpeg.c          | 10 +++++-----
 readpcx.c           | 42 +++++++++++++++++++++---------------------
 4 files changed, 50 insertions(+), 50 deletions(-)

diff --git a/imageload.c b/imageload.c
index 4e48a49..57578fe 100644
--- a/imageload.c
+++ b/imageload.c
@@ -24,13 +24,13 @@ IMG_FILE img_guess(const char *filename)
 }
 
 void
-img_copy_texture(uint16 *dest, uint8 *source, uint32 channels, uint32 stride,
-                 const IMG_INFO *info, uint32 w, uint32 h)
+img_copy_texture(uint16_t *dest, uint8_t *source, uint32_t channels, uint32_t stride,
+                 const IMG_INFO *info, uint32_t w, uint32_t h)
 {
-  uint32 i,j;
-  uint16 *destRow;
-  uint8 *pRow;
-  uint8 r,g,b;
+  uint32_t i,j;
+  uint16_t *destRow;
+  uint8_t *pRow;
+  uint8_t r,g,b;
 
   for(i = 0; i < h; i++)
   {
@@ -241,9 +241,9 @@ int img_load_file(const char *filename, IMG_INFO *info, kos_img_t *img)
 
 int img_load_data(FILE *f, IMG_INFO *info, kos_img_t *img)
 {
-  uint32 channels, rowBytes;
-  uint8 *data = NULL;
-  uint8 allocate = 0;
+  uint32_t channels, rowBytes;
+  uint8_t *data = NULL;
+  uint8_t allocate = 0;
 
   if (info == NULL)
   {
@@ -294,8 +294,8 @@ int img_load_data(FILE *f, IMG_INFO *info, kos_img_t *img)
   if (info->dither_height == 0)
     info->dither_height = img->h;
 
-  img->data = (uint16 *)malloc(sizeof(uint16)*img->w*img->h);
-  img->byte_count = sizeof(uint16)*img->w*img->h;
+  img->data = (uint16_t *)malloc(sizeof(uint16_t)*img->w*img->h);
+  img->byte_count = sizeof(uint16_t)*img->w*img->h;
   img_copy_texture(img->data, data, channels, rowBytes, info,
                    img->w, img->h);
 
diff --git a/include/imageload.h b/include/imageload.h
index fec2cc4..4a821ef 100644
--- a/include/imageload.h
+++ b/include/imageload.h
@@ -31,11 +31,11 @@ typedef struct
 {
   IMG_FILE type;
   IMG_ALPHA alpha;
-  uint32 key;
+  uint32_t key;
   IMG_DITHER dither;
-  uint32 dither_width;
-  uint32 dither_height;
-  uint32 noise;
+  uint32_t dither_width;
+  uint32_t dither_height;
+  uint32_t noise;
 } IMG_INFO;
 
 #define IMG_INFO_DEFAULTS {IMG_FILE_GUESS,IMG_ALPHA_NONE,0,IMG_DITHER_NONE,0,0,0}
@@ -52,27 +52,27 @@ int img_load_file(const char *filename, IMG_INFO *info, kos_img_t *img);
  * create a jitter table at compile time
  */
 void jitter_init(void);
-uint8 jitter(uint8 c, uint8 n, uint8 shift, uint8 noise, uint16 x, uint16 y);
+uint8 jitter(uint8_t c, uint8_t n, uint8_t shift, uint8_t noise, uint16_t x, uint16_t y);
 
 /* Format specific loaders */
 
 uint32 readbmp_init(FILE *infile);
-uint8 *readbmp_get_image(uint32 *pChannels, uint32 *pRowbytes,
-                         uint32 *pWidth, uint32 *pHeight);
+uint8 *readbmp_get_image(uint32_t *pChannels, uint32_t *pRowbytes,
+                         uint32_t *pWidth, uint32_t *pHeight);
 void readbmp_cleanup(void);
 
 uint32 readpng_init(FILE *infile);
-uint8 *readpng_get_image(uint32 *pChannels, uint32 *pRowbytes,
-                         uint32 *pWidth, uint32 *pHeight);
+uint8 *readpng_get_image(uint32_t *pChannels, uint32_t *pRowbytes,
+                         uint32_t *pWidth, uint32_t *pHeight);
 void readpng_cleanup(void);
 
 uint32 readjpeg_init(FILE *infile);
-uint8 *readjpeg_get_image(uint32 *pChannels, uint32 *pRowbytes,
-                         uint32 *pWidth, uint32 *pHeight);
+uint8 *readjpeg_get_image(uint32_t *pChannels, uint32_t *pRowbytes,
+                         uint32_t *pWidth, uint32_t *pHeight);
 void readjpeg_cleanup(void);
 
 uint32 readpcx_init(FILE *infile);
-uint8 *readpcx_get_image(uint32 *pChannels, uint32 *pRowbytes,
-			 uint32 *pWidth, uint32 *pHeight);
+uint8 *readpcx_get_image(uint32_t *pChannels, uint32_t *pRowbytes,
+			 uint32_t *pWidth, uint32_t *pHeight);
 void readpcx_cleanup(void);
 #endif
diff --git a/readjpeg.c b/readjpeg.c
index 99c4a52..39e67c7 100644
--- a/readjpeg.c
+++ b/readjpeg.c
@@ -6,7 +6,7 @@
 static struct jpeg_decompress_struct cinfo;
 static struct jpeg_error_mgr jerr;
 
-uint32 readjpeg_init(FILE *infile)
+uint32_t readjpeg_init(FILE *infile)
 {
     /* Step 1: allocate and initialize JPEG decompression object */
 
@@ -33,10 +33,10 @@ uint32 readjpeg_init(FILE *infile)
 
 /* load n x n textures from jpegs */
 
-uint8 *readjpeg_get_image(uint32 *pChannels, uint32 *pRowbytes, uint32 *pWidth, uint32 *pHeight)
+uint8_t *readjpeg_get_image(uint32_t *pChannels, uint32_t *pRowbytes, uint32_t *pWidth, uint32_t *pHeight)
 {
-  uint32 i;
-  uint8 *ourbuffer;
+  uint32_t i;
+  uint8_t *ourbuffer;
   JSAMPARRAY buffer;
 
   *pRowbytes = cinfo.output_width * cinfo.output_components;
@@ -44,7 +44,7 @@ uint8 *readjpeg_get_image(uint32 *pChannels, uint32 *pRowbytes, uint32 *pWidth,
   *pWidth = cinfo.output_width;
   *pHeight = cinfo.output_height;
 
-  ourbuffer = (uint8 *)malloc(*pRowbytes**pHeight);
+  ourbuffer = (uint8_t *)malloc(*pRowbytes**pHeight);
 
   buffer = (*cinfo.mem->alloc_sarray)((j_common_ptr) &cinfo, JPOOL_IMAGE, *pRowbytes, 1);
 
diff --git a/readpcx.c b/readpcx.c
index 0b8601a..fdcb3a4 100644
--- a/readpcx.c
+++ b/readpcx.c
@@ -12,38 +12,38 @@ typedef struct {
 	char   ver;               /* encoder version number (5)		*/
 	char   enc;               /* encoding code, always 1		*/
 	char   bpp;               /* bits per pixel, 8 in mode 0x13	*/
-	uint16 xmin,ymin;         /* image origin, usually 0,0		*/
-	uint16 xmax,ymax;         /* image dimensions			*/
-	uint16 hres;              /* horizontal resolution value	*/
-	uint16 vres;              /* vertical resolution value		*/
+	uint16_t xmin,ymin;       /* image origin, usually 0,0		*/
+	uint16_t xmax,ymax;       /* image dimensions			*/
+	uint16_t hres;            /* horizontal resolution value	*/
+	uint16_t vres;            /* vertical resolution value		*/
 	char   pal[48];           /* palette (not in mode 0x13)		*/
 	char   reserved;          /* who knows?				*/
 	char   clrplanes;         /* number of planes, 1 in mode 0x13	*/
-	uint16 bpl;               /* bytes per line, 80 in mode 0x13	*/
-	uint16 pltype;            /* Grey or Color palette flag		*/
+	uint16_t bpl;             /* bytes per line, 80 in mode 0x13	*/
+	uint16_t pltype;          /* Grey or Color palette flag		*/
 	char   filler[58];        /* Zsoft wanted a 128 byte header	*/
 } pcx_hdr;
 
 FILE *pcxfile;
 
-uint32 readpcx_init(FILE *infile)
+uint32_t readpcx_init(FILE *infile)
 {
   pcxfile = infile;
   return 0;
 }
 
-uint8 *readpcx_get_image(uint32 *pChannels, uint32 *pRowBytes,
-                         uint32 *pWidth, uint32 *pHeight)
+uint8_t *readpcx_get_image(uint32_t *pChannels, uint32_t *pRowBytes,
+                           uint32_t *pWidth, uint32_t *pHeight)
 {
-  pcx_hdr header;
-  uint32 bytesRead;
-  uint8 *preImage;
-  uint8 *image;
-  uint8 *palette;
-  uint32 numBytes;
-  uint32 i;
-  uint8 pixel;
-  uint8 runlen;
+  pcx_hdr  header;
+  uint32_t bytesRead;
+  uint8_t *preImage;
+  uint8_t *image;
+  uint8_t *palette;
+  uint32_t numBytes;
+  uint32_t i;
+  uint8_t  pixel;
+  uint8_t  runlen;
   
   bytesRead = fread(&header, sizeof(pcx_hdr), 1, pcxfile);
 
@@ -60,12 +60,12 @@ uint8 *readpcx_get_image(uint32 *pChannels, uint32 *pRowBytes,
 
   for(i = 0; i < numBytes;)
   {
-    fread(&pixel, sizeof(uint8), 1, pcxfile);
+    fread(&pixel, sizeof(uint8_t), 1, pcxfile);
 
     if (pixel & 0xc0)
     {
       runlen = (pixel & 0x3f);
-      fread(&pixel, sizeof(uint8), 1, pcxfile);
+      fread(&pixel, sizeof(uint8_t), 1, pcxfile);
       while(runlen--)
         preImage[i++] = pixel;
     }
@@ -74,7 +74,7 @@ uint8 *readpcx_get_image(uint32 *pChannels, uint32 *pRowBytes,
 
   }
 
-  fread(&pixel, sizeof(uint8), 1, pcxfile);
+  fread(&pixel, sizeof(uint8_t), 1, pcxfile);
   palette = malloc(768);
 
   fread(palette, 768, 1, pcxfile);


hooks/post-receive
-- 
An image loading library.

[cadcdev-svn-commits] [SCM] branch master updated. 8fb6ea27eb3fd8f6f1d08bdafffa627883b17185

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  8fb6ea27eb3fd8f6f1d08bdafffa627883b17185 (commit)
      from  9cfdd89884e8674cccc4372af5c60342ab67fae7 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 8fb6ea27eb3fd8f6f1d08bdafffa627883b17185
Author: DC-SWAT <sw...@21...>
Date:   Wed Sep 24 13:58:05 2025 +0700

    g2dma: Fixed race condition for DMA progress checking.

-----------------------------------------------------------------------

Summary of changes:
 kernel/arch/dreamcast/hardware/g2dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/arch/dreamcast/hardware/g2dma.c b/kernel/arch/dreamcast/hardware/g2dma.c
index 6d1120e2..bdd4305a 100644
--- a/kernel/arch/dreamcast/hardware/g2dma.c
+++ b/kernel/arch/dreamcast/hardware/g2dma.c
@@ -184,6 +184,7 @@ int g2_dma_transfer(void *sh4, void *g2bus, size_t length, uint32_t block,
         errno = EFAULT;
         return -1;
     }
+    irq_disable_scoped();
 
     /* Make sure we're not already DMA'ing */
     if(dma_progress[g2chn] != 0) {


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 9cfdd89884e8674cccc4372af5c60342ab67fae7

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  9cfdd89884e8674cccc4372af5c60342ab67fae7 (commit)
      from  91e03e8fbb7b217647faf38fedf4a5ae7499674a (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 9cfdd89884e8674cccc4372af5c60342ab67fae7
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 25 11:52:19 2025 -0400

    g2bus: Shift to stdint types

-----------------------------------------------------------------------

Summary of changes:
 kernel/arch/dreamcast/hardware/g2bus.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/kernel/arch/dreamcast/hardware/g2bus.c b/kernel/arch/dreamcast/hardware/g2bus.c
index 568646e2..09dbfcec 100644
--- a/kernel/arch/dreamcast/hardware/g2bus.c
+++ b/kernel/arch/dreamcast/hardware/g2bus.c
@@ -27,10 +27,10 @@
 /* Read one byte from G2 */
 uint8_t g2_read_8(uintptr_t address) {
     g2_ctx_t ctx;
-    uint8 out;
+    uint8_t out;
 
     ctx = g2_lock();
-    out = *((vuint8*)address);
+    out = *((volatile uint8_t*)address);
     g2_unlock(ctx);
 
     return out;
@@ -41,17 +41,17 @@ void g2_write_8(uintptr_t address, uint8_t value) {
     g2_ctx_t ctx;
 
     ctx = g2_lock();
-    *((vuint8*)address) = value;
+    *((volatile uint8_t*)address) = value;
     g2_unlock(ctx);
 }
 
 /* Read one word from G2 */
 uint16_t g2_read_16(uintptr_t address) {
     g2_ctx_t ctx;
-    uint16 out;
+    uint16_t out;
 
     ctx = g2_lock();
-    out = *((vuint16*)address);
+    out = *((volatile uint16_t*)address);
     g2_unlock(ctx);
 
     return out;
@@ -62,17 +62,17 @@ void g2_write_16(uintptr_t address, uint16_t value) {
     g2_ctx_t ctx;
 
     ctx = g2_lock();
-    *((vuint16*)address) = value;
+    *((volatile uint16_t*)address) = value;
     g2_unlock(ctx);
 }
 
 /* Read one dword from G2 */
 uint32_t g2_read_32(uintptr_t address) {
     g2_ctx_t ctx;
-    uint32 out;
+    uint32_t out;
 
     ctx = g2_lock();
-    out = *((vuint32*)address);
+    out = *((volatile uint32_t*)address);
     g2_unlock(ctx);
 
     return out;
@@ -83,13 +83,13 @@ void g2_write_32(uintptr_t address, uint32_t value) {
     g2_ctx_t ctx;
 
     ctx = g2_lock();
-    *((vuint32*)address) = value;
+    *((volatile uint32_t*)address) = value;
     g2_unlock(ctx);
 }
 
 /* Read a block of 8-bit values from G2 */
 void g2_read_block_8(uint8_t * output, uintptr_t address, size_t amt) {
-    const vuint8 * input = (const vuint8 *)address;
+    const volatile uint8_t * input = (const volatile uint8_t *)address;
     g2_ctx_t ctx;
 
     ctx = g2_lock();
@@ -102,8 +102,8 @@ void g2_read_block_8(uint8_t * output, uintptr_t address, size_t amt) {
 }
 
 /* Write a block 8-bit values to G2 */
-void g2_write_block_8(const uint8 * input, uintptr_t address, size_t amt) {
-    vuint8 * output = (vuint8 *)address;
+void g2_write_block_8(const uint8_t * input, uintptr_t address, size_t amt) {
+    volatile uint8_t * output = (volatile uint8_t *)address;
     g2_ctx_t ctx;
 
     ctx = g2_lock();
@@ -117,7 +117,7 @@ void g2_write_block_8(const uint8 * input, uintptr_t address, size_t amt) {
 
 /* Read a block of 16-bit values from G2 */
 void g2_read_block_16(uint16_t * output, uintptr_t address, size_t amt) {
-    const vuint16 * input = (const vuint16 *)address;
+    const volatile uint16_t * input = (const volatile uint16_t *)address;
     g2_ctx_t ctx;
 
     ctx = g2_lock();
@@ -131,7 +131,7 @@ void g2_read_block_16(uint16_t * output, uintptr_t address, size_t amt) {
 
 /* Write a block of 16-bit values to G2 */
 void g2_write_block_16(const uint16_t * input, uintptr_t address, size_t amt) {
-    vuint16 * output = (vuint16 *)address;
+    volatile uint16_t * output = (volatile uint16_t *)address;
     g2_ctx_t ctx;
 
     ctx = g2_lock();
@@ -145,7 +145,7 @@ void g2_write_block_16(const uint16_t * input, uintptr_t address, size_t amt) {
 
 /* Read a block of 32-bit values from G2 */
 void g2_read_block_32(uint32_t * output, uintptr_t address, size_t amt) {
-    const vuint32 * input = (const vuint32 *)address;
+    const volatile uint32_t * input = (const volatile uint32_t *)address;
     g2_ctx_t ctx;
 
     ctx = g2_lock();
@@ -159,7 +159,7 @@ void g2_read_block_32(uint32_t * output, uintptr_t address, size_t amt) {
 
 /* Write a block of 32-bit values to G2 */
 void g2_write_block_32(const uint32_t * input, uintptr_t address, size_t amt) {
-    vuint32 * output = (vuint32 *)address;
+    volatile uint32_t * output = (volatile uint32_t *)address;
     g2_ctx_t ctx;
 
     ctx = g2_lock();
@@ -173,7 +173,7 @@ void g2_write_block_32(const uint32_t * input, uintptr_t address, size_t amt) {
 
 /* A memset-like function for G2 */
 void g2_memset_8(uintptr_t address, uint8_t c, size_t amt) {
-    vuint8 * output = (vuint8 *)address;
+    volatile uint8_t * output = (volatile uint8_t *)address;
     g2_ctx_t ctx;
 
     ctx = g2_lock();


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 91e03e8fbb7b217647faf38fedf4a5ae7499674a

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  91e03e8fbb7b217647faf38fedf4a5ae7499674a (commit)
       via  8767beb0305dedc3727e88bba9ff2fa9d92a2aa3 (commit)
       via  d21f3323a31a8b31002f9a5b521362b6943fff23 (commit)
       via  e392dbac1bbb0dd358bf25885b70b5b85fb83de8 (commit)
       via  12083926c41f7d8b40bcc9fdff5c21af2ef0d96a (commit)
      from  7d8cba2c46866dd4b757557826fe2967844fb520 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
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- Log -----------------------------------------------------------------
commit 91e03e8fbb7b217647faf38fedf4a5ae7499674a
Author: QuzarDC <qu...@co...>
Date:   Tue Sep 23 21:59:03 2025 -0400

    newlib: Remove patching of `<sys/sched.h>`
    
    This may have been needed when it was originally added,
    but the file is effectively identical to what is provided
    by newlib and there doesn't seem to be any need for it
    anymore.

commit 8767beb0305dedc3727e88bba9ff2fa9d92a2aa3
Author: QuzarDC <qu...@co...>
Date:   Tue Sep 23 21:41:40 2025 -0400

    newlib: Stop including `<arch/types.h>` in `<sys/_types.h>`
    
    This prevents the types from unavoidably leaking out into standard
    headers, which has been a cause of a number of issues for users
    especially with 3rd party libs. A number of internal files were
    relying on this though, and had to be modified to either get those
    types through explicit use of `<arch/types.h>` or to stop using
    those types (in the cases where it was a minimal change).
    
    In kos-ports this was still being relied on by libimageload, which
    has also been updated to match.

commit d21f3323a31a8b31002f9a5b521362b6943fff23
Author: QuzarDC <qu...@co...>
Date:   Tue Sep 23 20:40:45 2025 -0400

    newlib: Move kos time implementation to correct path.
    
    We were forcing this time implementation info to be included
    in most of the same places it should be by tacking it onto
    `<sys/_types.h>`. Instead, place it in `<machine/time.h>`
    which is where newlib is set up to pick up this info by including
    that in `<time.h>`.

commit e392dbac1bbb0dd358bf25885b70b5b85fb83de8
Author: QuzarDC <qu...@co...>
Date:   Tue Sep 23 20:11:40 2025 -0400

    newlib: Remove endian defines already provided by newlib.
    
    These should be accesible easily from various `sys` headers'
    include chains (so nobody should have needed it from _types).
    I added the narrowest include to byteorder.h to have it
    access them and removed from our sys/_types.

commit 12083926c41f7d8b40bcc9fdff5c21af2ef0d96a
Author: QuzarDC <qu...@co...>
Date:   Tue Sep 23 02:38:17 2025 -0400

    newlib: Remove patching of `AT_` fcntl defines.
    
    These are now corectly provided by versions of newlib that
    KOS supports, but require `__BSD_VISIBLE || __POSIX_VISIBLE >= 200809`
    so the language standard for `libkosext2fs` had to be updated to
    have gnu extensions in order to levereage them.

-----------------------------------------------------------------------

Summary of changes:
 addons/libkosext2fs/Makefile                       |  2 +-
 include/{kos => machine}/time.h                    |  6 ++--
 include/sys/_types.h                               | 42 ----------------------
 include/sys/sched.h                                | 29 ---------------
 kernel/arch/dreamcast/hardware/ubc.c               | 14 ++++----
 kernel/arch/dreamcast/hardware/vblank.c            |  3 +-
 kernel/arch/dreamcast/include/arch/byteorder.h     |  3 ++
 kernel/arch/dreamcast/include/dc/fb_console.h      |  1 +
 kernel/arch/dreamcast/include/dc/modem/modem.h     |  2 ++
 .../dreamcast/include/dc/net/broadband_adapter.h   |  2 ++
 utils/dc-chain/scripts/newlib.mk                   |  1 -
 11 files changed, 21 insertions(+), 84 deletions(-)
 rename include/{kos => machine}/time.h (97%)
 delete mode 100644 include/sys/sched.h

diff --git a/addons/libkosext2fs/Makefile b/addons/libkosext2fs/Makefile
index 0a4f9a79..108d7d21 100644
--- a/addons/libkosext2fs/Makefile
+++ b/addons/libkosext2fs/Makefile
@@ -6,6 +6,6 @@ OBJS = ext2fs.o bitops.o block.o inode.o superblock.o fs_ext2.o symlink.o \
        directory.o
 
 # Make sure everything compiles nice and cleanly (or not at all).
-KOS_CFLAGS += -W -pedantic -Werror -std=c99
+KOS_CFLAGS += -W -pedantic -Werror -std=gnu99
 
 include $(KOS_BASE)/addons/Makefile.prefab
diff --git a/include/kos/time.h b/include/machine/time.h
similarity index 97%
rename from include/kos/time.h
rename to include/machine/time.h
index 5fa1f7ba..c47a5c9f 100644
--- a/include/kos/time.h
+++ b/include/machine/time.h
@@ -1,11 +1,11 @@
 /* KallistiOS ##version##
 
-   kos/time.h
+   machine/time.h
    Copyright (C) 2023 Lawrence Sebald
    Copyright (C) 2024 Falco Girgis
 */
 
-/** \file    kos/time.h
+/** \file    machine/time.h
     \brief   KOS-implementation of select C11 and POSIX extensions
 
     Add select POSIX extensions, C11, and C23 functionality to time.h which are not
@@ -40,7 +40,7 @@ __BEGIN_DECLS
 #define __STDC_VERSION_TIME_H__  202311L
 
 /* Microsecond resolution for clock(), per POSIX standard.. */
-#define CLOCKS_PER_SEC           1000000
+#define _CLOCKS_PER_SEC_         1000000
 
 /* =============== Enable the following for >=c11, >=c++17 =================== */
 #if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \
diff --git a/include/sys/_types.h b/include/sys/_types.h
index 3110877d..cb8d653b 100644
--- a/include/sys/_types.h
+++ b/include/sys/_types.h
@@ -155,48 +155,11 @@ typedef _TIMER_T_   __timer_t;
 
 typedef _CLOCK_T_   __clock_t;
 
-/* The architecture should define the macro BYTE_ORDER in <arch/types.h> to
-   equal one of these macros for code that looks for these BSD-style macros. */
-/** \brief  Little Endian test macro */
-#define LITTLE_ENDIAN   1234
-
-/** \brief  Big Endian test macro */
-#define BIG_ENDIAN      4321
-
-/** \brief  PDP Endian test macro */
-#define PDP_ENDIAN      3412
-
-/* Sigh... for some reason, Newlib only bothers defining these on Cygwin...
-   We're only actually concerned with AT_SYMLINK_NOFOLLOW currently. These
-   should all be defined in <fcntl.h>, by the way. */
-#ifndef AT_EACCESS
-/** \brief  Check access using effective user and group ID */
-#define AT_EACCESS              1
-#endif
-
-#ifndef AT_SYMLINK_NOFOLLOW
-/** \brief  Do not follow symlinks */
-#define AT_SYMLINK_NOFOLLOW     2
-#endif
-
-#ifndef AT_SYMLINK_FOLLOW
-/** \brief  Follow symbolic links */
-#define AT_SYMLINK_FOLLOW       4
-#endif
-
-#ifndef AT_REMOVEDIR
-/** \brief  Remove directory instead of file */
-#define AT_REMOVEDIR            8
-#endif
-
 #ifndef IOV_MAX
 /** \brief  Maximum length of an iovec, in elements. */
 #define IOV_MAX                 1024
 #endif
 
-/* This is for old KOS source compatibility. */
-#include <arch/types.h>
-
 #if __GNUC_MINOR__ > 95 || __GNUC__ >= 3
 typedef __builtin_va_list   __va_list;
 #else
@@ -209,11 +172,6 @@ __END_DECLS
 
 #endif  /* _SYS__TYPES_H */
 
-/* Grab our C11 time stuff if we got here from <time.h>. */
-#ifdef _TIME_H_
-#include <kos/time.h>
-#endif
-
 #ifdef _STDLIB_H_
 #include <kos/stdlib.h>
 #endif
diff --git a/include/sys/sched.h b/include/sys/sched.h
deleted file mode 100644
index 2e040f62..00000000
--- a/include/sys/sched.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/** \file   sys/sched.h
-    \brief  Basic sys/sched.h file for newlib.
-
-    This file specifies a few things to make sure pthreads stuff compiles.
-*/
-
-#ifndef __SYS_SCHED_H
-#define __SYS_SCHED_H
-
-#include <sys/cdefs.h>
-__BEGIN_DECLS
-
-// These are copied from Newlib to make stuff compile as expected.
-
-#define SCHED_OTHER    0    /**< \brief Other scheduling */
-#define SCHED_FIFO     1    /**< \brief FIFO scheduling */
-#define SCHED_RR       2    /**< \brief Round-robin scheduling */
-
-/** \brief  Scheduling Parameters, P1003.1b-1993, p. 249.
-    \note   Fields whose name begins with "ss_" added by P1003.4b/D8, p. 33.
-    \headerfile sys/sched.h
-*/
-struct sched_param {
-    int sched_priority;           /**< \brief Process execution scheduling priority */
-};
-
-__END_DECLS
-
-#endif  /* __SYS_SCHED_H */
diff --git a/kernel/arch/dreamcast/hardware/ubc.c b/kernel/arch/dreamcast/hardware/ubc.c
index 4e96c666..75d685f6 100755
--- a/kernel/arch/dreamcast/hardware/ubc.c
+++ b/kernel/arch/dreamcast/hardware/ubc.c
@@ -15,10 +15,10 @@
 #include <assert.h>
 
 /* Macros for accessing SFRs common to both channels by index */
-#define BAR(o)  (*((vuint32 *)(uintptr_t)(SH4_REG_UBC_BARA  + (unsigned)(o) * 0xc))) /* Address */
-#define BASR(o) (*((vuint8  *)(uintptr_t)(SH4_REG_UBC_BASRA + (unsigned)(o) * 0x4))) /* ASID */
-#define BAMR(o) (*((vuint8  *)(uintptr_t)(SH4_REG_UBC_BAMRA + (unsigned)(o) * 0xc))) /* Address Mask */
-#define BBR(o)  (*((vuint16 *)(uintptr_t)(SH4_REG_UBC_BBRA  + (unsigned)(o) * 0xc))) /* Bus Cycle */
+#define BAR(o)  (*((volatile uint32_t *)(uintptr_t)(SH4_REG_UBC_BARA  + (unsigned)(o) * 0xc))) /* Address */
+#define BASR(o) (*((volatile uint8_t  *)(uintptr_t)(SH4_REG_UBC_BASRA + (unsigned)(o) * 0x4))) /* ASID */
+#define BAMR(o) (*((volatile uint8_t  *)(uintptr_t)(SH4_REG_UBC_BAMRA + (unsigned)(o) * 0xc))) /* Address Mask */
+#define BBR(o)  (*((volatile uint16_t *)(uintptr_t)(SH4_REG_UBC_BBRA  + (unsigned)(o) * 0xc))) /* Bus Cycle */
 
 /* Macros for accessing individual, channel-specific SFRs */
 #define BARA  (BAR(ubc_channel_a))              /**< Break Address A */
@@ -29,9 +29,9 @@
 #define BASRB (BASR(ubc_channel_b))             /**< Break ASID B */
 #define BAMRB (BAMR(ubc_channel_b))             /**< Break Address Mask B */
 #define BBRB  (BBR(ubc_channel_b))              /**< Break Bus Cycle B */
-#define BDRB  (*((vuint32 *)SH4_REG_UBC_BDRB))  /**< Break Data B */
-#define BDMRB (*((vuint32 *)SH4_REG_UBC_BDMRB)) /**< Break Data Mask B */
-#define BRCR  (*((vuint16 *)SH4_REG_UBC_BRCR))  /**< Break Control */
+#define BDRB  (*((volatile uint32_t *)SH4_REG_UBC_BDRB))  /**< Break Data B */
+#define BDMRB (*((volatile uint32_t *)SH4_REG_UBC_BDMRB)) /**< Break Data Mask B */
+#define BRCR  (*((volatile uint16_t *)SH4_REG_UBC_BRCR))  /**< Break Control */
 
 /* BASR Fields */
 #define BASM            (1 << 2)             /* No ASID (1), use ASID (0) */
diff --git a/kernel/arch/dreamcast/hardware/vblank.c b/kernel/arch/dreamcast/hardware/vblank.c
index abf93c88..175c84fa 100644
--- a/kernel/arch/dreamcast/hardware/vblank.c
+++ b/kernel/arch/dreamcast/hardware/vblank.c
@@ -4,6 +4,7 @@
    Copyright (C)2003 Megan Potter
 */
 
+#include <stdint.h>
 #include <stdlib.h>
 #include <errno.h>
 #include <sys/queue.h>
@@ -28,7 +29,7 @@ static TAILQ_HEAD(vhlist, vblhnd) vblhnds;
 static int vblid_high;
 
 /* Our internal IRQ handler */
-static void vblank_handler(uint32 src, void *data) {
+static void vblank_handler(uint32_t src, void *data) {
     struct vblhnd * t;
 
     (void)data;
diff --git a/kernel/arch/dreamcast/include/arch/byteorder.h b/kernel/arch/dreamcast/include/arch/byteorder.h
index 2d352621..0bb1f2fc 100644
--- a/kernel/arch/dreamcast/include/arch/byteorder.h
+++ b/kernel/arch/dreamcast/include/arch/byteorder.h
@@ -25,6 +25,9 @@
 #include <kos/cdefs.h>
 __BEGIN_DECLS
 
+/* Included to get the `LITTLE_ENDIAN` define */
+#include <machine/endian.h>
+
 #ifdef BYTE_ORDER
 /* If we've included <arch/types.h>, this might already be defined... */
 #undef BYTE_ORDER
diff --git a/kernel/arch/dreamcast/include/dc/fb_console.h b/kernel/arch/dreamcast/include/dc/fb_console.h
index 31dde8ee..8a718707 100644
--- a/kernel/arch/dreamcast/include/dc/fb_console.h
+++ b/kernel/arch/dreamcast/include/dc/fb_console.h
@@ -27,6 +27,7 @@
 #include <kos/cdefs.h>
 __BEGIN_DECLS
 
+#include <arch/types.h>
 #include <kos/dbgio.h>
 
 /* \cond */
diff --git a/kernel/arch/dreamcast/include/dc/modem/modem.h b/kernel/arch/dreamcast/include/dc/modem/modem.h
index 1362c92d..81df223f 100644
--- a/kernel/arch/dreamcast/include/dc/modem/modem.h
+++ b/kernel/arch/dreamcast/include/dc/modem/modem.h
@@ -20,6 +20,8 @@
 #ifndef __DC_MODEM_MODEM_H
 #define __DC_MODEM_MODEM_H
 
+#include <arch/types.h>
+
 #include "mconst.h"
 
 /** \defgroup   modem           Modem
diff --git a/kernel/arch/dreamcast/include/dc/net/broadband_adapter.h b/kernel/arch/dreamcast/include/dc/net/broadband_adapter.h
index 7d6548b0..969ce44f 100644
--- a/kernel/arch/dreamcast/include/dc/net/broadband_adapter.h
+++ b/kernel/arch/dreamcast/include/dc/net/broadband_adapter.h
@@ -22,6 +22,8 @@
 #include <kos/cdefs.h>
 __BEGIN_DECLS
 
+#include <arch/types.h>
+
 /** \defgroup bba Broadband Adapter
     \brief    Driver for the Dreamcast's BBA (RTL8139C).
     \ingroup  networking_drivers
diff --git a/utils/dc-chain/scripts/newlib.mk b/utils/dc-chain/scripts/newlib.mk
index 48e833f3..0e665b03 100644
--- a/utils/dc-chain/scripts/newlib.mk
+++ b/utils/dc-chain/scripts/newlib.mk
@@ -44,7 +44,6 @@ fixup-newlib-apply: fixup-newlib-init
 	cp $(kos_base)/include/pthread.h $(newlib_inc)
 	cp $(kos_base)/include/sys/_pthreadtypes.h $(newlib_inc)/sys
 	cp $(kos_base)/include/sys/_pthread.h $(newlib_inc)/sys
-	cp $(kos_base)/include/sys/sched.h $(newlib_inc)/sys
 ifndef MINGW32
 	ln -nsf $(kos_base)/include/kos $(newlib_inc)
 	ln -nsf $(kos_base)/kernel/arch/$(platform)/include/arch $(newlib_inc)


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 7d8cba2c46866dd4b757557826fe2967844fb520

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  7d8cba2c46866dd4b757557826fe2967844fb520 (commit)
       via  db7081ba931f97d241fa9e8e684f566544da531d (commit)
       via  0a673d1bff9d2c454d71df1064d73b808d5c4876 (commit)
       via  4e9d15d687d3bd527f9cec3abf337bcc1bccaee3 (commit)
      from  d8f7df2599dc3e147ae585855f396d74e8a28ef4 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 7d8cba2c46866dd4b757557826fe2967844fb520
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 11 11:47:09 2025 -0400

    init: Privatize prototype for `arch_real_exit`
    
    This is clearly meant to be internal, and was described
    as such. Just actually doing so.

commit db7081ba931f97d241fa9e8e684f566544da531d
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 11 10:44:58 2025 -0400

    Remove extraneous includes of <arch/spinlock.h>
    
    I was looking for *any* unneeded includes and for some reason
    these were all over the place. I don't see any reason that
    they'd be needed and things build fine without.

commit 0a673d1bff9d2c454d71df1064d73b808d5c4876
Author: QuzarDC <qu...@co...>
Date:   Thu Sep 11 00:36:58 2025 -0400

    thread: Move definition of `tid_t` to thread.h
    
    Almost every place internally that was using it was
    doing so by including <kos/thread.h> rather than
    <arch/types.h> (though partially due to previous
    cleanups).

commit 4e9d15d687d3bd527f9cec3abf337bcc1bccaee3
Author: QuzarDC <qu...@co...>
Date:   Wed Sep 10 22:20:55 2025 -0400

    library: Remove unnecessary use of `tid_t`.
    
    The two types have nothing to do with each other. Instead
    unrolled it to the type it has always been, an int.

-----------------------------------------------------------------------

Summary of changes:
 include/kos/library.h                      |  4 +---
 include/kos/thread.h                       |  4 ++++
 kernel/arch/dreamcast/hardware/asic.c      |  1 -
 kernel/arch/dreamcast/hardware/g2bus.c     |  1 -
 kernel/arch/dreamcast/hardware/scif.c      |  1 -
 kernel/arch/dreamcast/include/arch/arch.h  | 10 ----------
 kernel/arch/dreamcast/include/arch/types.h |  9 ---------
 kernel/arch/dreamcast/kernel/init.c        |  3 +++
 kernel/libc/koslib/malloc.c                |  6 ++++--
 9 files changed, 12 insertions(+), 27 deletions(-)

diff --git a/include/kos/library.h b/include/kos/library.h
index da0d718c..feb4b114 100644
--- a/include/kos/library.h
+++ b/include/kos/library.h
@@ -31,7 +31,6 @@
 #include <kos/cdefs.h>
 __BEGIN_DECLS
 
-#include <kos/thread.h>
 #include <kos/elf.h>
 #include <kos/fs.h>
 
@@ -49,8 +48,7 @@ TAILQ_HEAD(klqueue, klibrary);
 LIST_HEAD(kllist, klibrary);
 /** \endcond */
 
-/* Thread IDs are ok for us */
-typedef tid_t libid_t;                  /**< \brief Library ID type. */
+typedef int libid_t;   /**< \brief Library ID type. */
 
 /** \brief  Loaded library structure.
 
diff --git a/include/kos/thread.h b/include/kos/thread.h
index 22a798ae..e0b8f9c6 100644
--- a/include/kos/thread.h
+++ b/include/kos/thread.h
@@ -151,6 +151,10 @@ typedef enum kthread_state {
     STATE_FINISHED = 0x0004   /**< \brief Finished execution */
 } kthread_state_t;
 
+/* Thread and priority types */
+typedef int tid_t;            /**< \brief Thread ID type */
+typedef int prio_t;           /**< \brief Priority value type */
+
 /** \brief   Structure describing one running thread.
 
     Each thread has one of these structures assigned to it, which holds all the
diff --git a/kernel/arch/dreamcast/hardware/asic.c b/kernel/arch/dreamcast/hardware/asic.c
index 725ff3ae..9cc0329b 100644
--- a/kernel/arch/dreamcast/hardware/asic.c
+++ b/kernel/arch/dreamcast/hardware/asic.c
@@ -100,7 +100,6 @@
 #include <assert.h>
 #include <arch/irq.h>
 #include <dc/asic.h>
-#include <arch/spinlock.h>
 #include <kos/genwait.h>
 #include <kos/regfield.h>
 #include <kos/worker_thread.h>
diff --git a/kernel/arch/dreamcast/hardware/g2bus.c b/kernel/arch/dreamcast/hardware/g2bus.c
index 0b1bdf44..568646e2 100644
--- a/kernel/arch/dreamcast/hardware/g2bus.c
+++ b/kernel/arch/dreamcast/hardware/g2bus.c
@@ -20,7 +20,6 @@
 #include <string.h>
 #include <stdio.h>
 #include <dc/g2bus.h>
-#include <arch/spinlock.h>
 
 /* Always use these functions to access G2 bus memory (includes the SPU
    and the expansion port, e.g., BBA) */
diff --git a/kernel/arch/dreamcast/hardware/scif.c b/kernel/arch/dreamcast/hardware/scif.c
index 41eb0b55..c61d2d77 100644
--- a/kernel/arch/dreamcast/hardware/scif.c
+++ b/kernel/arch/dreamcast/hardware/scif.c
@@ -8,7 +8,6 @@
 #include <errno.h>
 #include <kos/dbgio.h>
 #include <arch/arch.h>
-#include <arch/spinlock.h>
 #include <arch/irq.h>
 #include <dc/fs_dcload.h>
 #include <dc/scif.h>
diff --git a/kernel/arch/dreamcast/include/arch/arch.h b/kernel/arch/dreamcast/include/arch/arch.h
index 2fd7981e..a152d691 100644
--- a/kernel/arch/dreamcast/include/arch/arch.h
+++ b/kernel/arch/dreamcast/include/arch/arch.h
@@ -213,16 +213,6 @@ void * mm_sbrk(unsigned long increment);
 #include <kos/init.h>
 
 /* Dreamcast-specific arch init things */
-/** \brief   Jump back to the bootloader.
-    \ingroup arch
-
-    You generally shouldn't use this function, but rather use arch_exit() or
-    exit() instead.
-
-    \note                   This function will never return!
-*/
-void arch_real_exit(int ret_code) __noreturn;
-
 /** \brief   Initialize bare-bones hardware systems.
     \ingroup arch
 
diff --git a/kernel/arch/dreamcast/include/arch/types.h b/kernel/arch/dreamcast/include/arch/types.h
index 295bc031..ae1b2439 100644
--- a/kernel/arch/dreamcast/include/arch/types.h
+++ b/kernel/arch/dreamcast/include/arch/types.h
@@ -48,15 +48,6 @@ typedef volatile int32 vint32;      /**< \brief 32-bit volatile signed type */
 typedef volatile int16 vint16;      /**< \brief 16-bit volatile signed type */
 typedef volatile int8 vint8;        /**< \brief 8-bit volatile signed type */
 
-/* This type may be used for any generic handle type that is allowed
-   to be negative (for errors) and has no specific bit count
-   restraints. */
-typedef int handle_t;               /**< \brief Generic "handle" type */
-
-/* Thread and priority types */
-typedef handle_t tid_t;             /**< \brief Thread ID type */
-typedef handle_t prio_t;            /**< \brief Priority value type */
-
 /** @} */
 
 __END_DECLS
diff --git a/kernel/arch/dreamcast/kernel/init.c b/kernel/arch/dreamcast/kernel/init.c
index 73221e63..d459ad19 100644
--- a/kernel/arch/dreamcast/kernel/init.c
+++ b/kernel/arch/dreamcast/kernel/init.c
@@ -43,6 +43,9 @@ extern void _fini(void);
 extern void __verify_newlib_patch();
 extern void dma_init(void);
 
+/* Jump back to the bootloader. From startup.S */
+void arch_real_exit(int ret_code) __noreturn;
+
 void (*__kos_init_early_fn)(void) __attribute__((weak,section(".data"))) = NULL;
 
 int main(int argc, char **argv);
diff --git a/kernel/libc/koslib/malloc.c b/kernel/libc/koslib/malloc.c
index aedfeaec..ef2c918e 100644
--- a/kernel/libc/koslib/malloc.c
+++ b/kernel/libc/koslib/malloc.c
@@ -1650,6 +1650,10 @@ static pthread_mutex_t mALLOC_MUTEx = PTHREAD_MUTEX_INITIALIZER;
 
 #ifdef KM_DBG
 
+#include <stdlib.h>
+#include <kos/dbgio.h>
+#include <kos/thread.h>
+
 #define BLOCK_MAGIC 0x1c518a74
 #define PRE_MAGIC   0x6765adb8
 #define POST_MAGIC  0x29d4ca6d
@@ -1679,8 +1683,6 @@ static LIST_HEAD(memctl_list, memctl) block_list;
 
 #define get_cur_tid_safe ((thd_current == NULL) ? (tid_t)0 : thd_current->tid)
 
-#include <kos/dbgio.h>
-#include <stdlib.h>
 char dbg_print_buffer[256];
 
 enum func_type_names { name_MALLOC = 0, name_REALLOC = 1, name_MEMALIGN = 2, name_CALLOC = 3,


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A pseudo Operating System for the Dreamcast.

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- Log -----------------------------------------------------------------
commit d8f7df2599dc3e147ae585855f396d74e8a28ef4
Author: QuzarDC <qu...@co...>
Date:   Sun Sep 21 19:50:18 2025 -0400

    fs_dcload: Drop dir list.
    
    The dir list was a means to track which handles were
    dirs or not. Instead use the `path` member of the object
    to do the same and return an opaque token to that object
    rather than the `hnd` used by the host-side.

commit 183f3caa980500ee5ef4386920befd0ba2077fb9
Author: QuzarDC <qu...@co...>
Date:   Sun Sep 21 18:41:10 2025 -0400

    fs_dcload: Set errno on not finding a file.
    
    `ENOENT` to match the `ENOTDIR` set by the dir path.

commit 57eac6bf98c1b549df19e81efd433161f846f24c
Author: QuzarDC <qu...@co...>
Date:   Wed Jun 25 04:11:50 2025 -0400

    Update filebrowser example to show file stats.
    
    Simple addition to draw the Filesize and modification
    time as provided by stat. Was updated in order to help
    validate functionality of stat over `/pc/` after updating
    to use a standardized stat rather than custom dcload one.

commit b8ca37df81ce110ef6156c118fc04d9a0b236b6e
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 20:18:55 2025 -0400

    fs_dcload: Protect against possible buffer overflow in readdir.

commit be56dc0eef09b433f6bb50f260c482c865b6c382
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 17:17:12 2025 -0400

    dcload: Replace dcload_dirent with our standard one.
    
    The sizes and defined types match. The risk in doing this
    is only in if the host side needs to change its data types.
    In that case though, there would have to be changes on the KOS
    side as well.

commit dc2f7b2e5524557dbb03f676d296c680edc31bb1
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 15:52:46 2025 -0400

    dcload: Implement each unimplemented dcload command.
    
    chdir, chmod, fstat, time, utime, and exit had never been
    implemented in KOS. utime has been left as a commented out
    stub to note how there would likely need to be updates to
    the tool in order for it to work.

commit 8a0b8d10df3819988dfb1495a2cb1ea3af7e6bc3
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 03:58:05 2025 -0400

    dcload: Whitespace and junk cleanup.
    
    Mostly moving stars, but also some lining up of comments and
    removal of a prototype that had no function.

commit 43b0ab08ef9cd8b51a060d2cec0c5598394d05c6
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 02:11:44 2025 -0400

    dcload: Add assignwrkmem function.

commit 5eaa446f8e63def5a245b011d2418e306f1e36af
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 03:50:02 2025 -0400

    dcload: Add dir related functions.
    
    Open, close, read, and rewind. Additionally move the dirent
    type over.

commit 4d71ba186d4a9ca2a7fa5f375841dcdb6578ccc9
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 03:28:47 2025 -0400

    dcload: Create function for stat.
    
    Bigger than others as the bespoke stat type was moved.

commit 583490490f4c194821c95aec365d1a65635be9ac
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 03:19:16 2025 -0400

    dcload: Create functions for link, unlink, and lseek.

commit 1cf3ca4c592700e1799a057a1d9076caa646e3fd
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 03:04:36 2025 -0400

    dcload: Create functions for read, write, open, and close commands.

commit 946586d1ad3349e1381dde236990d1bae986cb3e
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 02:53:30 2025 -0400

    dcload: Create function for `gethostinfo` command.

commit 530af522581825b4ae9152e68357bb5a168079eb
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 02:43:34 2025 -0400

    dcload: Move gdb packet function to new file.

commit ab38ca87b30f641d50fdf5b35ad357b370b1c469
Author: QuzarDC <qu...@co...>
Date:   Tue Jun 24 02:04:31 2025 -0400

    dcload: Rename internal vfs functions.
    
    To follow our standard naming convention as well as
    `dcloadgetgdbpacket` a lot of the syscall functions
    for the file ops would overlap with these names. So
    renaming in order to get the conflict out of the way.

commit 4837c4b9b8a3481ba5f02c6f66b904e629007fa2
Author: QuzarDC <qu...@co...>
Date:   Mon Jun 23 20:33:07 2025 -0400

    fs_dcload: Reduce scope and severity of locking.
    
    Currently `fs_dcload` uses fairly broad spinlocks over most of
    each function. From the history it looks as though these are
    spinlocks simply because we didn't have other sorts of locks
    when this was originally written. It can't have to do with the
    actual operations as the syscall has always been called with
    irqs disabled.
    
    So here I make three changes:
    
    First:  Implement a rwsem to protect the shared dir list. This is
    	specifically for protecting access to that data structure.
    
    Second: Reduce the scope of the 'mutex' locks. Leave them only in
    	cases where multiple dcload commands must be issued and
    	we should expect that others wouldn't be issued between them.
    	It may be that these can be shrunken down slightly more.
    
    Third: Change the spinlocks to mutexes.

commit b62400ea86be0266c095fa80a72aefe1caa06f2d
Author: QuzarDC <qu...@co...>
Date:   Mon Jun 23 15:06:27 2025 -0400

    dcload: Change last remaining arch/types to stdint

commit 4daa9835b384abe87fbeef274a5e434e43d5207a
Author: QuzarDC <qu...@co...>
Date:   Sun Jun 22 23:36:56 2025 -0400

    dcload: Migrate syscall into our BIOS syscalls file.
    
    Create a proper C function for dcload's syscall to match
    the way we do for other syscalls rather than as a macro wrapper
    around an asm file.
    
    Additionally move the definitions of the commands for the syscall
    to accompany it. I had considered whether this might be better as
    its own `syscalls-custom` since it does operate differently, including
    having a function to detect whether it's present or not. It may be that
    this could represent a defining pattern for the use of other custom
    syscalls from modded BIOS or alternative loaders (dcload NG/3).

commit 826789b2574552848bdd0b1b4160f96da2947805
Author: QuzarDC <qu...@co...>
Date:   Sun May 11 01:50:52 2025 -0400

    Rename and expose if the dcload syscall is installed.
    
    Removed two usages that were redundant. There is no
    condition where `dcload_type` could be set to `TYPE_SER`
    while dcload is not detected.
    
    Renamed to indicate that it's not a part of the dcload vfs.

-----------------------------------------------------------------------

Summary of changes:
 addons/libppp/ppp_scif.c                      |   2 +-
 examples/dreamcast/filesystem/browse/browse.c |  44 +++-
 examples/dreamcast/filesystem/browse/browse.h |   2 +
 kernel/arch/dreamcast/fs/Makefile             |   3 +-
 kernel/arch/dreamcast/fs/dcload-syscall.s     |  19 --
 kernel/arch/dreamcast/fs/fs_dcload.c          | 296 +++++++++++---------------
 kernel/arch/dreamcast/fs/fs_dclsocket.c       |  15 +-
 kernel/arch/dreamcast/hardware/Makefile       |   2 +-
 kernel/arch/dreamcast/hardware/dcload.c       | 134 ++++++++++++
 kernel/arch/dreamcast/hardware/scif-spi.c     |   2 +-
 kernel/arch/dreamcast/include/dc/dcload.h     | 114 ++++++++++
 kernel/arch/dreamcast/include/dc/fs_dcload.h  |  74 +------
 kernel/arch/dreamcast/kernel/gdb_stub.c       |   2 +-
 kernel/arch/dreamcast/kernel/init.c           |   3 +-
 14 files changed, 427 insertions(+), 285 deletions(-)
 delete mode 100644 kernel/arch/dreamcast/fs/dcload-syscall.s
 create mode 100644 kernel/arch/dreamcast/hardware/dcload.c
 create mode 100644 kernel/arch/dreamcast/include/dc/dcload.h

diff --git a/addons/libppp/ppp_scif.c b/addons/libppp/ppp_scif.c
index c22aacca..ed57902d 100644
--- a/addons/libppp/ppp_scif.c
+++ b/addons/libppp/ppp_scif.c
@@ -80,7 +80,7 @@ static ppp_device_t scif_dev = {
 int ppp_scif_init(int bps) {
     /* Make sure we're not using dcload-serial. If we are, we really shouldn't
        take over the serial port from it. */
-    if(*DCLOADMAGICADDR == DCLOADMAGICVALUE && dcload_type == DCLOAD_TYPE_SER) {
+    if(dcload_type == DCLOAD_TYPE_SER) {
         dbglog(DBG_KDEBUG, "ppp_scif_init: aborting -- using dcload-serial.\n");
         return -1;
     }
diff --git a/examples/dreamcast/filesystem/browse/browse.c b/examples/dreamcast/filesystem/browse/browse.c
index ccd3bf29..35552ffc 100644
--- a/examples/dreamcast/filesystem/browse/browse.c
+++ b/examples/dreamcast/filesystem/browse/browse.c
@@ -51,6 +51,7 @@ int main(int argc, char **argv) {
     directory_file_t directory_contents[100];
 
     bool prompting = false;
+    bool statting = false;
     bool highlight_yes = true;
     bool mounted_sd = false;
     bool changed_directory = true;
@@ -74,8 +75,14 @@ int main(int argc, char **argv) {
         changed_buttons = current_buttons ^ previous_buttons;
         previous_buttons = current_buttons;
         
+        /* Clear the stat if any button is pressed */
+        if(statting && button_pressed(current_buttons, changed_buttons, 0)) {
+            statting = false;           /* Get us out of captivity */
+            changed_directory = true;   /* Force redraw of the screen to clear stat */
+        }
+
         /* Enter a directory */
-        if(button_pressed(current_buttons, changed_buttons, CONT_A)) {
+        else if(button_pressed(current_buttons, changed_buttons, CONT_A)) {
             if(prompting) {
                 prompting = false;
                 changed_directory = true;
@@ -134,7 +141,7 @@ int main(int argc, char **argv) {
         }
 
         /* Exit a directory */
-        if(button_pressed(current_buttons, changed_buttons, CONT_B)) {
+        else if(button_pressed(current_buttons, changed_buttons, CONT_B)) {
             if(prompting) {
                 prompting = false;
                 changed_directory = true;
@@ -156,9 +163,19 @@ int main(int argc, char **argv) {
                 }
             }
         }
+
+        /* Stat an entry */
+        else if(button_pressed(current_buttons, changed_buttons, CONT_Y)) {
+            if(!prompting) {
+                memset(directory_temp, 0, BUFFER_LENGTH);
+                fs_path_append(directory_temp, current_directory, BUFFER_LENGTH);
+                fs_path_append(directory_temp, directory_contents[selector_index].filename, BUFFER_LENGTH);
+                statting = draw_stat(directory_temp);
+            }
+        }
         
         /* Navigate the directory */
-        if(button_pressed(current_buttons, changed_buttons, CONT_DPAD_DOWN)) {
+        else if(button_pressed(current_buttons, changed_buttons, CONT_DPAD_DOWN)) {
             if(prompting) {
                 highlight_yes = !highlight_yes;
                 show_prompt(current_directory, mounted_sd, highlight_yes);
@@ -170,7 +187,7 @@ int main(int argc, char **argv) {
                 }
             }
         }
-        if(button_pressed(current_buttons, changed_buttons, CONT_DPAD_UP)) {
+        else if(button_pressed(current_buttons, changed_buttons, CONT_DPAD_UP)) {
             if(prompting) {
                 highlight_yes = !highlight_yes;
                 show_prompt(current_directory, mounted_sd, highlight_yes);
@@ -184,7 +201,7 @@ int main(int argc, char **argv) {
         }
 
         /* Exit Program */
-        if(button_pressed(current_buttons, changed_buttons, CONT_START))
+        else if(button_pressed(current_buttons, changed_buttons, CONT_START))
             break;
 
         /* Update the screen if we navigate a directory */
@@ -353,6 +370,23 @@ static void draw_directory_contents(directory_file_t *directory_contents, int nu
     }
 }
 
+static bool draw_stat(const char *path) {
+    int x = 20 + BFONT_HEIGHT, y = 350;
+    struct stat path_stat;
+
+    /* If stat fails */
+    if(stat(path, &path_stat) < 0)
+        return false;
+
+    /* We got a stat, so lets draw it */
+    bfont_draw_str_fmt(vram_s + y*SCREEN_WIDTH+x, SCREEN_WIDTH, true,
+    "Stat succeeded:\n\tFile size: %lu\n\tLast Modified: %s\n",
+    S_ISDIR(path_stat.st_mode) ? 0 : path_stat.st_size,
+    asctime(gmtime(&path_stat.st_mtime)));
+
+    return true;
+}
+
 static cont_state_t *get_cont_state() {
     maple_device_t *cont;
     cont_state_t *state;
diff --git a/examples/dreamcast/filesystem/browse/browse.h b/examples/dreamcast/filesystem/browse/browse.h
index 2aa62012..506c39db 100644
--- a/examples/dreamcast/filesystem/browse/browse.h
+++ b/examples/dreamcast/filesystem/browse/browse.h
@@ -17,6 +17,8 @@ static void delete_file(char *filename, bool mounted_sd);
 
 static void prompt_message(char *message, bool highlight_yes);
 
+static bool draw_stat(const char *path);
+
 static void draw_directory_selector(int index);
 static void draw_directory_contents(directory_file_t *directory_contents, int num);
 
diff --git a/kernel/arch/dreamcast/fs/Makefile b/kernel/arch/dreamcast/fs/Makefile
index 2fbcde5c..0e080ec3 100644
--- a/kernel/arch/dreamcast/fs/Makefile
+++ b/kernel/arch/dreamcast/fs/Makefile
@@ -6,8 +6,7 @@
 
 # Dreamcast-specific file systems
 
-OBJS  = fs_iso9660.o fs_vmu.o fs_dcload.o dcload-syscall.o vmufs.o \
- fs_dclsocket.o
+OBJS  = fs_iso9660.o fs_vmu.o fs_dcload.o vmufs.o fs_dclsocket.o
 SUBDIRS =
 
 include $(KOS_BASE)/Makefile.prefab
diff --git a/kernel/arch/dreamcast/fs/dcload-syscall.s b/kernel/arch/dreamcast/fs/dcload-syscall.s
deleted file mode 100644
index 80976acb..00000000
--- a/kernel/arch/dreamcast/fs/dcload-syscall.s
+++ /dev/null
@@ -1,19 +0,0 @@
-! KallistiOS ##version##
-!
-! dcload-syscall.s
-! (c)2000-2001 Andrew Kieschnick
-!
-
-	.section .text
-	.global	_dcloadsyscall
-	
-_dcloadsyscall:
-	mov.l dcloadsyscall_k,r0
-	mov.l @r0,r0
-	jmp @r0
-	nop
-	
-.align 4
-dcloadsyscall_k:
-	.long	0x8c004008
-	
diff --git a/kernel/arch/dreamcast/fs/fs_dcload.c b/kernel/arch/dreamcast/fs/fs_dcload.c
index 93e7ca5e..fb17f46c 100644
--- a/kernel/arch/dreamcast/fs/fs_dcload.c
+++ b/kernel/arch/dreamcast/fs/fs_dcload.c
@@ -18,62 +18,35 @@ printf goes to the dc-tool console
 
 */
 
-#include <dc/fifo.h>
+#include <dc/dcload.h>
 #include <dc/fs_dcload.h>
-#include <arch/spinlock.h>
 #include <kos/dbgio.h>
 #include <kos/dbglog.h>
 #include <kos/fs.h>
 #include <kos/init.h>
+#include <kos/mutex.h>
+#include <kos/rwsem.h>
 
 #include <errno.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/dirent.h>
 #include <sys/queue.h>
 
-/* A linked list of dir entries. */
-typedef struct dcl_dir {
-    LIST_ENTRY(dcl_dir) fhlist;
+typedef struct dcl_obj {
     int hnd;
     char *path;
     dirent_t dirent;
-} dcl_dir_t;
+} dcl_obj_t;
 
-LIST_HEAD(dcl_de, dcl_dir);
+static mutex_t mutex = MUTEX_INITIALIZER;
 
-static struct dcl_de dir_head = LIST_HEAD_INITIALIZER(0);
-
-static dcl_dir_t *hnd_is_dir(int hnd) {
-    dcl_dir_t *i;
-
-    if(!hnd) return NULL;
-
-    LIST_FOREACH(i, &dir_head, fhlist) {
-        if(i->hnd == (int)hnd)
-            break;
-    }
-
-    return i;
-}
-
-static spinlock_t mutex = SPINLOCK_INITIALIZER;
-
-#define dclsc(...) ({ \
-        irq_disable_scoped(); \
-        while(FIFO_STATUS & FIFO_SH4) \
-            ; \
-        dcloadsyscall(__VA_ARGS__); \
-    })
-
-/* Printk replacement */
-
-int dcload_write_buffer(const uint8 *data, int len, int xlat) {
+int dcload_write_buffer(const uint8_t *data, int len, int xlat) {
     (void)xlat;
 
-    spinlock_lock_scoped(&mutex);
-    dclsc(DCLOAD_WRITE, 1, data, len);
+    dcload_write(STDOUT_FILENO, data, len);
 
     return len;
 }
@@ -82,18 +55,8 @@ int dcload_read_cons(void) {
     return -1;
 }
 
-size_t dcload_gdbpacket(const char* in_buf, size_t in_size, char* out_buf, size_t out_size) {
-
-    spinlock_lock_scoped(&mutex);
-
-    /* we have to pack the sizes together because the dcloadsyscall handler
-       can only take 4 parameters */
-    return dclsc(DCLOAD_GDBPACKET, in_buf, (in_size << 16) | (out_size & 0xffff), out_buf);
-}
-
-static void *dcload_open(vfs_handler_t * vfs, const char *fn, int mode) {
-    char *dcload_path = NULL;
-    dcl_dir_t *entry;
+static void *fs_dcload_open(vfs_handler_t *vfs, const char *fn, int mode) {
+    dcl_obj_t *entry;
     int hnd = 0;
     int dcload_mode = 0;
     int mm = (mode & O_MODE_MASK);
@@ -101,14 +64,18 @@ static void *dcload_open(vfs_handler_t * vfs, const char *fn, int mode) {
 
     (void)vfs;
 
-    spinlock_lock_scoped(&mutex);
+    entry = calloc(1, sizeof(dcl_obj_t));
+    if(!entry) {
+        errno = ENOMEM;
+        return (void *)NULL;
+    }
 
     if(mode & O_DIR) {
         if(fn[0] == '\0') {
             fn = "/";
         }
 
-        hnd = dclsc(DCLOAD_OPENDIR, fn);
+        hnd = dcload_opendir(fn);
 
         if(!hnd) {
             /* It could be caused by other issues, such as
@@ -116,34 +83,23 @@ static void *dcload_open(vfs_handler_t * vfs, const char *fn, int mode) {
             ENOTDIR seems to be the best generic and we should
             set something */
             errno = ENOTDIR;
-            return (void *)NULL;
-        }
-
-        /* We got something back so create an dir list entry for it */
-        entry = malloc(sizeof(dcl_dir_t));
-        if(!entry) {
-            errno = ENOMEM;
+            free(entry);
             return (void *)NULL;
         }
 
         fn_len = strlen(fn);
         if(fn[fn_len - 1] == '/') fn_len--;
 
-        dcload_path = malloc(fn_len + 2);
-        if(!dcload_path) {
+        entry->path = malloc(fn_len + 2);
+        if(!entry->path) {
             errno = ENOMEM;
             free(entry);
             return (void *)NULL;
         }
 
-        memcpy(dcload_path, fn, fn_len);
-        dcload_path[fn_len]   = '/';
-        dcload_path[fn_len+1] = '\0';
-
-        /* Now that everything is ready, add to list */
-        entry->hnd = hnd;
-        entry->path = dcload_path;
-        LIST_INSERT_HEAD(&dir_head, entry, fhlist);
+        memcpy(entry->path, fn, fn_len);
+        entry->path[fn_len]   = '/';
+        entry->path[fn_len+1] = '\0';
     }
     else {
         if(mm == O_RDONLY)
@@ -159,131 +115,121 @@ static void *dcload_open(vfs_handler_t * vfs, const char *fn, int mode) {
         if(mode & O_TRUNC)
             dcload_mode |= 0x0400;
 
-        hnd = dclsc(DCLOAD_OPEN, fn, dcload_mode, 0644);
-        hnd++; /* KOS uses 0 for error, not -1 */
+        hnd = dcload_open(fn, dcload_mode, 0644);
+
+        if(hnd == -1) {
+            errno = ENOENT;
+            free(entry);
+            return (void *)NULL;
+        }
     }
 
-    return (void *)hnd;
+    entry->hnd = hnd;
+    return (void *)entry;
 }
 
-static int dcload_close(void * h) {
-    uint32 hnd = (uint32)h;
-    dcl_dir_t *i;
+static int fs_dcload_close(void *h) {
+    dcl_obj_t *obj = h;
 
-    spinlock_lock_scoped(&mutex);
+    if(!obj) return 0;
 
-    if(hnd) {
-        /* Check if it's a dir */
-        i = hnd_is_dir(hnd);
+    /* It has a path so it's a dir */
+    if(obj->path) {
+        dcload_closedir(obj->hnd);
 
-        /* We found it in the list, so it's a dir */
-        if(i) {
-            dclsc(DCLOAD_CLOSEDIR, hnd);
-            LIST_REMOVE(i, fhlist);
-            free(i->path);
-            free(i);
-        }
-        else {
-            hnd--; /* KOS uses 0 for error, not -1 */
-            dclsc(DCLOAD_CLOSE, hnd);
-        }
+        free(obj->path);
     }
+    else
+        dcload_close(obj->hnd);
 
+    free(obj);
     return 0;
 }
 
-static ssize_t dcload_read(void * h, void *buf, size_t cnt) {
+static ssize_t fs_dcload_read(void *h, void *buf, size_t cnt) {
     ssize_t ret = -1;
-    uint32 hnd = (uint32)h;
-
-    spinlock_lock_scoped(&mutex);
+    dcl_obj_t *obj = h;
 
-    if(hnd) {
-        hnd--; /* KOS uses 0 for error, not -1 */
-        ret = dclsc(DCLOAD_READ, hnd, buf, cnt);
-    }
+    if(obj)
+        ret = dcload_read(obj->hnd, buf, cnt);
 
     return ret;
 }
 
-static ssize_t dcload_write(void * h, const void *buf, size_t cnt) {
+static ssize_t fs_dcload_write(void *h, const void *buf, size_t cnt) {
     ssize_t ret = -1;
-    uint32 hnd = (uint32)h;
+    dcl_obj_t *obj = h;
 
-    spinlock_lock_scoped(&mutex);
-
-    if(hnd) {
-        hnd--; /* KOS uses 0 for error, not -1 */
-        ret = dclsc(DCLOAD_WRITE, hnd, buf, cnt);
-    }
+    if(obj)
+        ret = dcload_write(obj->hnd, buf, cnt);
 
     return ret;
 }
 
-static off_t dcload_seek(void * h, off_t offset, int whence) {
+static off_t fs_dcload_seek(void *h, off_t offset, int whence) {
     off_t ret = -1;
-    uint32 hnd = (uint32)h;
+    dcl_obj_t *obj = h;
 
-    spinlock_lock_scoped(&mutex);
-
-    if(hnd) {
-        hnd--; /* KOS uses 0 for error, not -1 */
-        ret = dclsc(DCLOAD_LSEEK, hnd, offset, whence);
-    }
+    if(obj)
+        ret = dcload_lseek(obj->hnd, offset, whence);
 
     return ret;
 }
 
-static off_t dcload_tell(void * h) {
+static off_t fs_dcload_tell(void *h) {
     off_t ret = -1;
-    uint32 hnd = (uint32)h;
+    dcl_obj_t *obj = h;
 
-    spinlock_lock_scoped(&mutex);
-
-    if(hnd) {
-        hnd--; /* KOS uses 0 for error, not -1 */
-        ret = dclsc(DCLOAD_LSEEK, hnd, 0, SEEK_CUR);
-    }
+    if(obj)
+        ret = dcload_lseek(obj->hnd, 0, SEEK_CUR);
 
     return ret;
 }
 
-static size_t dcload_total(void * h) {
+static size_t fs_dcload_total(void *h) {
     size_t ret = -1;
-    size_t cur;
-    uint32 hnd = (uint32)h;
+    off_t cur;
+    dcl_obj_t *obj = h;
 
-    spinlock_lock_scoped(&mutex);
+    if(obj) {
+        /* Lock to ensure commands are sent sequentially. */
+        mutex_lock_scoped(&mutex);
 
-    if(hnd) {
-        hnd--; /* KOS uses 0 for error, not -1 */
-        cur = dclsc(DCLOAD_LSEEK, hnd, 0, SEEK_CUR);
-        ret = dclsc(DCLOAD_LSEEK, hnd, 0, SEEK_END);
-        dclsc(DCLOAD_LSEEK, hnd, cur, SEEK_SET);
+        cur = dcload_lseek(obj->hnd, 0, SEEK_CUR);
+        ret = dcload_lseek(obj->hnd, 0, SEEK_END);
+        dcload_lseek(obj->hnd, cur, SEEK_SET);
     }
 
     return ret;
 }
 
-static dirent_t *dcload_readdir(void * h) {
+static dirent_t *fs_dcload_readdir(void *h) {
     dirent_t *rv = NULL;
-    dcload_dirent_t *dcld;
+    struct dirent *dcld;
     dcload_stat_t filestat;
     char *fn;
-    uint32 hnd = (uint32)h;
-    dcl_dir_t *entry;
+    dcl_obj_t *entry = h;
 
-    spinlock_lock_scoped(&mutex);
+    /* Lock to ensure commands are sent sequentially. */
+    mutex_lock_scoped(&mutex);
 
...<truncated>...


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 2babea38ec32a10203c373a9d77b53cf3d1a8d53

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  2babea38ec32a10203c373a9d77b53cf3d1a8d53 (commit)
      from  6db4a90398c1bdec72c24c76e68f334de8f1ab02 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 2babea38ec32a10203c373a9d77b53cf3d1a8d53
Author: QuzarDC <qu...@co...>
Date:   Sun Sep 21 17:24:40 2025 -0400

    `.gitignore`: Ignore generated authors and banner files.
    
    These got left behind accidentally after the changes for #1153

-----------------------------------------------------------------------

Summary of changes:
 kernel/{arch/dreamcast/kernel => }/.gitignore | 1 -
 kernel/arch/dreamcast/kernel/.gitignore       | 2 --
 2 files changed, 3 deletions(-)
 copy kernel/{arch/dreamcast/kernel => }/.gitignore (55%)

diff --git a/kernel/arch/dreamcast/kernel/.gitignore b/kernel/.gitignore
similarity index 55%
copy from kernel/arch/dreamcast/kernel/.gitignore
copy to kernel/.gitignore
index 96d28f98..19ce7979 100644
--- a/kernel/arch/dreamcast/kernel/.gitignore
+++ b/kernel/.gitignore
@@ -1,3 +1,2 @@
-arch_exports.c
 authors.h
 banner.h
diff --git a/kernel/arch/dreamcast/kernel/.gitignore b/kernel/arch/dreamcast/kernel/.gitignore
index 96d28f98..100d6f1a 100644
--- a/kernel/arch/dreamcast/kernel/.gitignore
+++ b/kernel/arch/dreamcast/kernel/.gitignore
@@ -1,3 +1 @@
 arch_exports.c
-authors.h
-banner.h


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 6db4a90398c1bdec72c24c76e68f334de8f1ab02

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  6db4a90398c1bdec72c24c76e68f334de8f1ab02 (commit)
      from  afedb3ac510ddaafb8780adfc9f8435c12a651cf (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 6db4a90398c1bdec72c24c76e68f334de8f1ab02
Author: QuzarDC <qu...@co...>
Date:   Sat Sep 20 21:15:20 2025 -0400

    Update version number for current master (v2.2.2)

-----------------------------------------------------------------------

Summary of changes:
 include/kos/version.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/kos/version.h b/include/kos/version.h
index 19f28f34..11372be6 100644
--- a/include/kos/version.h
+++ b/include/kos/version.h
@@ -99,7 +99,7 @@
 
 #define KOS_VERSION_MAJOR   2   /**< KOS's current major revision number. */
 #define KOS_VERSION_MINOR   2   /**< KOS's current minor revision number. */
-#define KOS_VERSION_PATCH   1   /**< KOS's current patch revision number. */
+#define KOS_VERSION_PATCH   2   /**< KOS's current patch revision number. */
 
 /** KOS's current version as an integer ID. */
 #define KOS_VERSION \


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. afedb3ac510ddaafb8780adfc9f8435c12a651cf

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  afedb3ac510ddaafb8780adfc9f8435c12a651cf (commit)
      from  1675181e4460d44b9d03d5f7123d4074826029e7 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit afedb3ac510ddaafb8780adfc9f8435c12a651cf
Author: darc <da...@pr...>
Date:   Sat Sep 20 14:03:37 2025 -0500

    Ignore .cache/, .clangd, .envrc and compile_commands.json
    
    For users of language servers, these files are used to specify compilation
    parameters or are generated for use by the language server. They should be
    ignored by git as they are not relevant to the repo itself.

-----------------------------------------------------------------------

Summary of changes:
 .gitignore | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.gitignore b/.gitignore
index a4e8474b..fc95a5a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,7 +9,11 @@
 *~
 .*.swp
 .DS_Store
+.cache/
 .vscode/
+.clangd
+.envrc
+compile_commands.json
 environ.sh
 romdisk.img
 /doc/reference/


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 1675181e4460d44b9d03d5f7123d4074826029e7

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  1675181e4460d44b9d03d5f7123d4074826029e7 (commit)
      from  bf083e62190e1aaf20a66095ee265b0b721cc34c (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 1675181e4460d44b9d03d5f7123d4074826029e7
Author: QuzarDC <qu...@co...>
Date:   Sat Sep 20 13:06:43 2025 -0400

    environ: Move default setting of SUBARCH to `environ_dreamcast.sh`
    
    All the other default setting tests happen at this level. Now the
    value can more clearly be simply set in environ or by IDE.

-----------------------------------------------------------------------

Summary of changes:
 doc/environ.sh.sample | 8 +++-----
 environ_dreamcast.sh  | 5 +++++
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/doc/environ.sh.sample b/doc/environ.sh.sample
index abfb4733..efccb33d 100644
--- a/doc/environ.sh.sample
+++ b/doc/environ.sh.sample
@@ -23,15 +23,13 @@ export KOS_ARCH="dreamcast"
 # is targeting or uses an existing value that
 # can be set externally via your IDE.
 #
+# Only needs to be set if not using default.
+#
 # Valid values:
 #   "pristine" - Dreamcast console or HKT-0120 devkit (default)
 #   "naomi"    - NAOMI or NAOMI 2 arcade board
 #
-if [ -z "${KOS_SUBARCH}" ] ; then
-    export KOS_SUBARCH="pristine"
-else
-    export KOS_SUBARCH
-fi
+#export KOS_SUBARCH="naomi"
 
 # KOS Root Path
 #
diff --git a/environ_dreamcast.sh b/environ_dreamcast.sh
index e947323b..43454ac7 100644
--- a/environ_dreamcast.sh
+++ b/environ_dreamcast.sh
@@ -1,6 +1,11 @@
 # KallistiOS environment variable settings. These are the shared pieces
 # for the Dreamcast(tm) platform.
 
+# Add the default subarch (DC) if one hasn't already been set.
+if [ -z "${KOS_SUBARCH}" ] ; then
+    export KOS_SUBARCH="pristine"
+fi
+
 # Add the default external DC tools path if it isn't already set.
 if [ -z "${DC_TOOLS_BASE}" ] ; then
     export DC_TOOLS_BASE="${KOS_CC_BASE}/../bin"


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. bf083e62190e1aaf20a66095ee265b0b721cc34c

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  bf083e62190e1aaf20a66095ee265b0b721cc34c (commit)
      from  29147166323bb4cd5d5279c8b6fb17cc4128f65c (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit bf083e62190e1aaf20a66095ee265b0b721cc34c
Author: QuzarDC <qu...@co...>
Date:   Fri Sep 19 00:17:10 2025 -0400

    cmake: Add compatibility cmake files.
    
    We've recently changed the old `Dreamcast` to
    `kallistios` files. Providing passthrough
    wrappers + warning to aid compatibility.

-----------------------------------------------------------------------

Summary of changes:
 utils/cmake/dreamcast.cmake           | 2 ++
 utils/cmake/dreamcast.toolchain.cmake | 2 ++
 2 files changed, 4 insertions(+)
 create mode 100644 utils/cmake/dreamcast.cmake
 create mode 100644 utils/cmake/dreamcast.toolchain.cmake

diff --git a/utils/cmake/dreamcast.cmake b/utils/cmake/dreamcast.cmake
new file mode 100644
index 00000000..9c378737
--- /dev/null
+++ b/utils/cmake/dreamcast.cmake
@@ -0,0 +1,2 @@
+message(AUTHOR_WARNING "dreamcast.cmake is deprecated, please use kallistios.cmake")
+include(kallistios)
diff --git a/utils/cmake/dreamcast.toolchain.cmake b/utils/cmake/dreamcast.toolchain.cmake
new file mode 100644
index 00000000..7fd78404
--- /dev/null
+++ b/utils/cmake/dreamcast.toolchain.cmake
@@ -0,0 +1,2 @@
+message(AUTHOR_WARNING "dreamcast.toolchain.cmake is deprecated, please use kallistios.toolchain.cmake")
+include($ENV{KOS_BASE}/utils/cmake/kallistios.toolchain.cmake)


hooks/post-receive
-- 
A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 29147166323bb4cd5d5279c8b6fb17cc4128f65c

[kosmirror <kos...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "A pseudo Operating System for the Dreamcast.".

The branch, master has been updated
       via  29147166323bb4cd5d5279c8b6fb17cc4128f65c (commit)
       via  1b25ccf992b01266c136f7f4cabd9e43499867ee (commit)
       via  a155e806a420b66d61365d858c93be9e3394f8ce (commit)
       via  a01ed5dcc9a79efcd7acbb9184ef518fcbc5484c (commit)
       via  d039cafaaee08ded731c1f74cbf397fb62fe0d34 (commit)
       via  4327aaf000f39cc31d42a42099da79a2c7f3081e (commit)
       via  527e0fdc516739e44a76651e93359b25f70bebf8 (commit)
       via  228ccc0014fb99dc24095bc0d11501328c0d8ae1 (commit)
       via  399d89a0b27d473033b62fab4784afd1aff63c51 (commit)
       via  0b5e4c8939f9bd58061bd04542060699a99bb3d6 (commit)
       via  9e77aa19ba54c31ffd336386c253494e879d7797 (commit)
       via  c3779fa61906deb0255211f7913e62df69e121e8 (commit)
       via  40e8394ae4d1c0a38ffe608917b1de49b04a199e (commit)
      from  7346fd704ba489b7d9cf1234282b85957e7625dc (commit)

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- Log -----------------------------------------------------------------
commit 29147166323bb4cd5d5279c8b6fb17cc4128f65c
Author: Paul Cercueil <pa...@cr...>
Date:   Fri Sep 19 12:08:00 2025 +0200

    treewide: Include <kos/timer.h> instead of <arch/timer.h>
    
    Use the top-level API file <kos/timer.h> everywhere where it makes
    sense.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 1b25ccf992b01266c136f7f4cabd9e43499867ee
Author: Paul Cercueil <pa...@cr...>
Date:   Fri Sep 19 12:00:15 2025 +0200

    timer: Re-introduce timer_spin_sleep() as a deprecated API function
    
    Maintain compatibility with old code by re-introducing
    timer_spin_sleep(), but in the top-level API this time, and implemented
    on top of the arch API.
    
    Tag is as deprecated, since thd_sleep() should really be used instead.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit a155e806a420b66d61365d858c93be9e3394f8ce
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 23:12:46 2025 +0200

    timer: Move older API functions to arch-agnostic header
    
    Move the timer_XX_gettime() and timer_XX_gettime64() functions from the
    SH4-specific timer code, to be arch-agnostic inline wrappers around the
    new timer_gettime() function.
    
    Also move timer_spin_delay_XX() functions to be arch-agnostic inline
    functions that just use the other ones above.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit a01ed5dcc9a79efcd7acbb9184ef518fcbc5484c
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Jul 22 20:44:09 2025 +0200

    timer: Add new arch-agnostic API function timer_gettime()
    
    Add API function timer_gettime(). This function will simply call
    arch_timer_gettime(), which has to be implemented by all the platforms
    supported by KallistiOS.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit d039cafaaee08ded731c1f74cbf397fb62fe0d34
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 14:32:06 2025 +0200

    timer: Add function arch_timer_gettime()
    
    This function can be used to return the time since KOS was started, in a
    standard timespec format (number of seconds + number of nanoseconds).
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 4327aaf000f39cc31d42a42099da79a2c7f3081e
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 14:30:10 2025 +0200

    timer: Add arch function __dreamcast_get_ticks()
    
    This function returns the number of seconds since boot, and the number
    of ticks in the current second. It will later be used to implement the
    Dreamcast-specific implementation of the generic timer functions.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 527e0fdc516739e44a76651e93359b25f70bebf8
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 14:59:25 2025 +0200

    timer: Use compile-time-known offset for TNS array
    
    Instead of reading back the scaling factor (TPSC value) from the
    hardware registers and use it as the offset into the TNS array, use the
    compile-time-known TIMER_TPSC macro as the offset, because we know for
    sure this is the same value.
    
    The compiler will then be able to optimize the code better.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 228ccc0014fb99dc24095bc0d11501328c0d8ae1
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Jul 29 18:17:24 2025 +0200

    timer: Drop timer_ms_{enable,disable}
    
    Those functions serve no purpose and don't belong in the public API.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 399d89a0b27d473033b62fab4784afd1aff63c51
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 15:13:48 2025 +0200

    timer: Remove timer_spin_sleep()
    
    Nobody needs to busy-wait for that long and it'd be a terrible idea
    anyway.
    
    Remove this function as it is not used anywhere anymore, and to prevent
    people from having the bad idea of using it.
    
    This frees up the TMU1 to be used by applications.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 0b5e4c8939f9bd58061bd04542060699a99bb3d6
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 23:23:08 2025 +0200

    sound: Use thd_sleep() instead of timer_spin_sleep()
    
    One millisecond is about 6% of the time we have to render a frame.
    As such, it does not make sense to busy-wait for such long times,
    especially when we can avoid it.
    
    Update the sound code to sleep instead of busy-waiting.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 9e77aa19ba54c31ffd336386c253494e879d7797
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 23:22:35 2025 +0200

    modem: Use thd_sleep() instead of timer_spin_sleep()
    
    One millisecond is about 6% of the time we have to render a frame.
    As such, it does not make sense to busy-wait for such long times,
    especially when we can avoid it.
    
    Update the modem code to sleep instead of busy-waiting.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit c3779fa61906deb0255211f7913e62df69e121e8
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 23:19:59 2025 +0200

    g1ata: Use thd_sleep() instead of timer_spin_sleep()
    
    One millisecond is about 6% of the time we have to render a frame.
    As such, it does not make sense to busy-wait for such long times,
    especially when we can avoid it.
    
    Update the g1ata code to sleep instead of busy-waiting.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

commit 40e8394ae4d1c0a38ffe608917b1de49b04a199e
Author: Paul Cercueil <pa...@cr...>
Date:   Tue Aug 26 16:32:22 2025 +0200

    thread: Make thd_sleep() fail if not using threading
    
    thd_sleep() (or any threading function for that matter) should not be
    called when the threading system is disabled.
    
    Also drop an extra <assert.h> include, we don't need two.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

-----------------------------------------------------------------------

Summary of changes:
 include/kos/timer.h                             | 211 ++++++++++++++++++++++++
 kernel/arch/dreamcast/hardware/cdrom.c          |   2 +-
 kernel/arch/dreamcast/hardware/g1ata.c          |  12 +-
 kernel/arch/dreamcast/hardware/maple/keyboard.c |   3 +-
 kernel/arch/dreamcast/hardware/maple/vmu.c      |   2 +-
 kernel/arch/dreamcast/hardware/modem/modem.c    |  10 +-
 kernel/arch/dreamcast/hardware/pvr/pvr_misc.c   |   2 +-
 kernel/arch/dreamcast/hardware/sci.c            |   2 +-
 kernel/arch/dreamcast/hardware/scif-spi.c       |   2 +-
 kernel/arch/dreamcast/hardware/spu.c            |   4 +-
 kernel/arch/dreamcast/include/arch/timer.h      | 159 +++---------------
 kernel/arch/dreamcast/kernel/init.c             |   3 +-
 kernel/arch/dreamcast/kernel/initall_hdrs.h     |   2 +-
 kernel/arch/dreamcast/kernel/irq.c              |   2 +-
 kernel/arch/dreamcast/kernel/perf_monitor.c     |   2 +-
 kernel/arch/dreamcast/kernel/perfctr.c          |   2 +-
 kernel/arch/dreamcast/kernel/rtc.c              |   2 +-
 kernel/arch/dreamcast/kernel/timer.c            | 124 +-------------
 kernel/arch/dreamcast/sound/snd_iface.c         |   4 +-
 kernel/arch/dreamcast/sound/snd_stream.c        |   2 +-
 kernel/arch/dreamcast/util/screenshot.c         |   2 +-
 kernel/exports.txt                              |   1 -
 kernel/libc/newlib/newlib_gettimeofday.c        |   2 +-
 kernel/libc/newlib/newlib_times.c               |   2 +-
 kernel/libc/posix/clock_gettime.c               |   2 +-
 kernel/net/net_arp.c                            |   2 +-
 kernel/net/net_dhcp.c                           |   2 +-
 kernel/net/net_icmp.c                           |   2 +-
 kernel/net/net_icmp6.c                          |   2 +-
 kernel/net/net_ipv4.c                           |   2 +-
 kernel/net/net_ipv4_frag.c                      |   2 +-
 kernel/net/net_ndp.c                            |   2 +-
 kernel/net/net_tcp.c                            |   2 +-
 kernel/net/net_thd.c                            |   2 +-
 kernel/thread/genwait.c                         |   2 +-
 kernel/thread/mutex.c                           |   2 +-
 kernel/thread/thread.c                          |  10 +-
 37 files changed, 292 insertions(+), 301 deletions(-)
 create mode 100644 include/kos/timer.h

diff --git a/include/kos/timer.h b/include/kos/timer.h
new file mode 100644
index 00000000..fba1db59
--- /dev/null
+++ b/include/kos/timer.h
@@ -0,0 +1,211 @@
+/* KallistiOS ##version##
+
+   include/kos/timer.h
+   Copyright (C) 2025 Paul Cercueil
+*/
+
+/** \file    kos/timer.h
+    \brief   Timer functionality.
+    \ingroup timers
+
+    This file contains functions for reading the internal timer provided
+    by the architecture.
+
+    \sa arch/timer.h
+
+    \author Paul Cercueil
+*/
+#ifndef __KOS_TIMER_H
+#define __KOS_TIMER_H
+
+#include <sys/cdefs.h>
+__BEGIN_DECLS
+
+#include <arch/timer.h>
+#include <stdint.h>
+#include <time.h>
+
+typedef struct timespec timespec_t;
+
+/** \brief   Get the current uptime of the system.
+    \ingroup timers
+
+    This function retrieves the number of seconds and nanoseconds since KOS was
+    started.
+
+    \return                 The current uptime of the system as a timespec struct.
+*/
+static inline timespec_t timer_gettime(void) {
+    return arch_timer_gettime();
+}
+
+/** \brief   Get the current uptime of the system (in milliseconds).
+    \ingroup timers
+
+    This function retrieves the number of milliseconds since KOS was started. It
+    is equivalent to calling timer_ms_gettime() and combining the number of
+    seconds and milliseconds into one 64-bit value.
+
+    \return                 The number of milliseconds since KOS started.
+*/
+static inline uint64_t timer_ms_gettime64(void) {
+    timespec_t time = timer_gettime();
+
+    return (uint64_t)time.tv_sec * 1000 + time.tv_nsec / 1000000;
+}
+
+/** \brief   Get the current uptime of the system (in microseconds).
+    \ingroup timers
+
+    This function retrieves the number of microseconds since KOS was started.
+
+    \return                 The uptime in microseconds.
+*/
+static inline uint64_t timer_us_gettime64(void) {
+    timespec_t time = timer_gettime();
+
+    return (uint64_t)time.tv_sec * 1000000 + time.tv_nsec / 1000;
+}
+
+/** \brief   Get the current uptime of the system (in nanoseconds).
+    \ingroup timers
+
+    This function retrieves the number of nanoseconds since KOS was started.
+
+    \return                 The uptime in nanoseconds.
+*/
+static inline uint64_t timer_ns_gettime64(void) {
+    timespec_t time = timer_gettime();
+
+    return (uint64_t)time.tv_sec * 1000000000 + time.tv_nsec;
+}
+
+/** \brief   Get the current uptime of the system (in secs and millisecs).
+    \ingroup timers
+
+    This function retrieves the number of seconds and milliseconds since KOS was
+    started.
+
+    \param  secs            A pointer to store the number of seconds since boot
+                            into.
+    \param  msecs           A pointer to store the number of milliseconds past
+                            a second since boot.
+    \note                   To get the total number of milliseconds since boot,
+                            calculate (*secs * 1000) + *msecs, or use the
+                            timer_ms_gettime64() function.
+*/
+static inline void timer_ms_gettime(uint32_t *secs, uint32_t *msecs) {
+    timespec_t time = timer_gettime();
+
+    if(secs)  *secs = time.tv_sec;
+    if(msecs) *msecs = time.tv_nsec / 1000000;
+}
+
+/** \brief   Get the current uptime of the system (in secs and microsecs).
+    \ingroup timers
+
+    This function retrieves the number of seconds and microseconds since KOS was
+    started.
+
+    \note                   To get the total number of microseconds since boot,
+                            calculate (*secs * 1000000) + *usecs, or use the
+                            timer_us_gettime64() function.
+
+    \param  secs            A pointer to store the number of seconds since boot
+                            into.
+    \param  usecs           A pointer to store the number of microseconds past
+                            a second since boot.
+*/
+static inline void timer_us_gettime(uint32_t *secs, uint32_t *usecs) {
+    timespec_t time = timer_gettime();
+
+    if(secs)  *secs = time.tv_sec;
+    if(usecs) *usecs = time.tv_nsec / 1000;
+}
+
+/** \brief   Get the current uptime of the system (in secs and nanosecs).
+    \ingroup timers
+
+    This function retrieves the number of seconds and nanoseconds since KOS was
+    started.
+
+    \note                   To get the total number of nanoseconds since boot,
+                            calculate (*secs * 1000000000) + *nsecs, or use the
+                            timer_ns_gettime64() function.
+
+    \param  secs            A pointer to store the number of seconds since boot
+                            into.
+    \param  nsecs           A pointer to store the number of nanoseconds past
+                            a second since boot.
+*/
+static inline void timer_ns_gettime(uint32_t *secs, uint32_t *nsecs) {
+    timespec_t time = timer_gettime();
+
+    if(secs)  *secs = time.tv_sec;
+    if(nsecs) *nsecs = time.tv_nsec;
+}
+
+/** \brief  Spin-loop delay function with microsecond granularity
+    \ingroup timers
+
+    This function is meant as a very accurate delay function, even if threading
+    and interrupts are disabled. It is a delay and not a sleep, which means that
+    the CPU will be busy-looping during that time frame. For any time frame
+    bigger than a few hundred microseconds, it is recommended to sleep instead.
+
+    Note that the parameter is 16-bit, which means that the maximum acceptable
+    value is 65535 microseconds.
+
+    \param  us              The number of microseconds to wait for.
+    \sa timer_spin_delay_ns, thd_sleep
+*/
+static inline void timer_spin_delay_us(unsigned short us) {
+    uint64_t timeout = timer_us_gettime64() + us;
+
+    /* Note that we don't actually care about the counter overflowing.
+       Nobody will run their Dreamcast straight for 584942 years. */
+    while(timer_us_gettime64() < timeout);
+}
+
+
+/** \brief  Spin-loop delay function with nanosecond granularity
+    \ingroup timers
+
+    This function is meant as a very accurate delay function, even if threading
+    and interrupts are disabled. It is a delay and not a sleep, which means that
+    the CPU will be busy-looping during that time frame.
+
+    Note that the parameter is 16-bit, which means that the maximum acceptable
+    value is 65535 nanoseconds.
+
+    \param  ns              The number of nanoseconds to wait for.
+    \sa timer_spin_delay_us, thd_sleep
+*/
+static inline void timer_spin_delay_ns(unsigned short ns) {
+    uint64_t timeout = timer_ns_gettime64() + ns;
+
+    /* Note that we don't actually care about the counter overflowing.
+       Nobody will run their Dreamcast straight for 585 years. */
+    while(timer_ns_gettime64() < timeout);
+}
+
+/** \brief  Spin-loop delay function with millisecond granularity
+    \ingroup timers
+
+    This function should never be used, and is only used for compatibility with
+    older code. It makes no sense to busy-wait for that long.
+
+    \param  ms              The number of microseconds to wait for.
+    \sa thd_sleep
+*/
+
+__depr("Do not use timer_spin_sleep(), use thd_sleep() instead")
+static inline void timer_spin_sleep(unsigned int ms) {
+    uint64_t timeout = timer_ms_gettime64() + ms;
+
+    while(timer_ms_gettime64() < timeout);
+}
+
+__END_DECLS
+
+#endif /* __KOS_TIMER_H */
diff --git a/kernel/arch/dreamcast/hardware/cdrom.c b/kernel/arch/dreamcast/hardware/cdrom.c
index 7b0766a9..c4c21ed1 100644
--- a/kernel/arch/dreamcast/hardware/cdrom.c
+++ b/kernel/arch/dreamcast/hardware/cdrom.c
@@ -12,7 +12,7 @@
 #include <assert.h>
 
 #include <arch/cache.h>
-#include <arch/timer.h>
+#include <kos/timer.h>
 #include <arch/memory.h>
 #include <arch/irq.h>
 
diff --git a/kernel/arch/dreamcast/hardware/g1ata.c b/kernel/arch/dreamcast/hardware/g1ata.c
index c447fee1..b6716b80 100644
--- a/kernel/arch/dreamcast/hardware/g1ata.c
+++ b/kernel/arch/dreamcast/hardware/g1ata.c
@@ -17,7 +17,7 @@
 #include <kos/mutex.h>
 #include <kos/thread.h>
 
-#include <arch/timer.h>
+#include <kos/timer.h>
 #include <arch/cache.h>
 #include <arch/irq.h>
 #include <arch/memory.h>
@@ -965,7 +965,7 @@ int g1_ata_flush(void) {
 
     /* Select the slave device. */
     g1_ata_select_device(G1_ATA_SLAVE | G1_ATA_LBA_MODE);
-    timer_spin_sleep(1);
+    thd_sleep(1);
 
     /* Flush the disk's write cache to make sure everything gets written out. */
     if(CAN_USE_LBA48())
@@ -973,7 +973,7 @@ int g1_ata_flush(void) {
     else
         OUT8(G1_ATA_COMMAND_REG, ATA_CMD_FLUSH_CACHE);
 
-    timer_spin_sleep(1);
+    thd_sleep(1);
     g1_ata_wait_bsydrq();
     g1_ata_mutex_unlock();
 
@@ -1006,7 +1006,7 @@ static int g1_ata_set_transfer_mode(uint8_t mode) {
 
     /* Send the SET FEATURES command. */
     OUT8(G1_ATA_COMMAND_REG, ATA_CMD_SET_FEATURES);
-    timer_spin_sleep(1);
+    thd_sleep(1);
 
     /* Wait for command completion. */
     g1_ata_wait_nbsy();
@@ -1034,7 +1034,7 @@ static int g1_ata_scan(void) {
     /* For now, just check if there's a slave device. We don't care about the
        primary device, since it should always be the GD-ROM drive. */
     OUT8(G1_ATA_DEVICE_SELECT, 0xF0);
-    timer_spin_sleep(1);
+    thd_sleep(1);
 
     OUT8(G1_ATA_SECTOR_COUNT, 0);
     OUT8(G1_ATA_LBA_LOW, 0);
@@ -1043,7 +1043,7 @@ static int g1_ata_scan(void) {
 
     /* Send the IDENTIFY command. */
     OUT8(G1_ATA_COMMAND_REG, ATA_CMD_IDENTIFY);
-    timer_spin_sleep(1);
+    thd_sleep(1);
     st = IN8(G1_ATA_STATUS_REG);
 
     /* Check if there's anything on the bus. */
diff --git a/kernel/arch/dreamcast/hardware/maple/keyboard.c b/kernel/arch/dreamcast/hardware/maple/keyboard.c
index 8599f774..4ecfe5c5 100644
--- a/kernel/arch/dreamcast/hardware/maple/keyboard.c
+++ b/kernel/arch/dreamcast/hardware/maple/keyboard.c
@@ -15,7 +15,8 @@
 
 #include <kos/dbglog.h>
 
-#include <arch/timer.h>
+#include <kos/timer.h>
+#include <arch/irq.h>
 #include <dc/maple.h>
 #include <dc/maple/keyboard.h>
 
diff --git a/kernel/arch/dreamcast/hardware/maple/vmu.c b/kernel/arch/dreamcast/hardware/maple/vmu.c
index 922f1754..86fa12eb 100644
--- a/kernel/arch/dreamcast/hardware/maple/vmu.c
+++ b/kernel/arch/dreamcast/hardware/maple/vmu.c
@@ -25,7 +25,7 @@
 #include <dc/math.h>
 #include <dc/biosfont.h>
 #include <dc/vmufs.h>
-#include <arch/timer.h>
+#include <kos/timer.h>
 
 #define VMU_BLOCK_WRITE_RETRY_TIME  100     /* time to sleep until retrying a failed write */
 
diff --git a/kernel/arch/dreamcast/hardware/modem/modem.c b/kernel/arch/dreamcast/hardware/modem/modem.c
index 940a02b2..f71146d6 100644
--- a/kernel/arch/dreamcast/hardware/modem/modem.c
+++ b/kernel/arch/dreamcast/hardware/modem/modem.c
@@ -448,14 +448,14 @@ void modemHardReset(void) {
     /* This zeroes out all of the modem's registers */
     modemWrite(G2_8BP_RST, 0);
 
-    timer_spin_sleep(25); /* A slight delay just to be safe */
+    thd_sleep(25); /* A slight delay just to be safe */
 
     /* This sets the modem's registers to their default settings */
     modemWrite(G2_8BP_RST, 1);
 
     /* Wait for a little while so the modem has time to reset itself
        completely */
-    timer_spin_sleep(150);
+    thd_sleep(150);
 }
 
 void modemSoftReset(void) {
@@ -465,7 +465,7 @@ void modemSoftReset(void) {
     while(modemRead(REGLOC(0x1F)) & 0x1);  /* Wait for NEWC to clear */
 
     /* Wait a minimum of 10ms before using the MDP again */
-    timer_spin_sleep(100);
+    thd_sleep(100);
 }
 
 void modemConfigurationReset(void) {
@@ -600,7 +600,7 @@ int modem_set_mode(int mode, modem_speed_t speed) {
             modemSetBits(REGLOC(0x1F), 0x1); /* Set NEWC */
 
             /* Delay at least 4ms */
-            timer_spin_sleep(10);
+            thd_sleep(10);
 
             /* Dial using DTMF tones, and set the modem in origination
                mode */
@@ -801,7 +801,7 @@ void modemEstablishConnection(void) {
        can be answered */
     if(!(modemCfg.flags & MODEM_CFG_FLAG_ORIGINATE)) {
         modemSetBits(REGLOC(0x7), 0x2); /* Set RA */
-        timer_spin_sleep(10);
+        thd_sleep(10);
     }
 
     /* Note that in all modes of operation RTS will be turned on as soon
diff --git a/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c b/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
index 8e814195..e9ebf611 100644
--- a/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
+++ b/kernel/arch/dreamcast/hardware/pvr/pvr_misc.c
@@ -10,7 +10,7 @@
 #include <string.h>
 #include <float.h>
 
-#include <arch/timer.h>
+#include <kos/timer.h>
 #include <dc/pvr.h>
 #include <dc/video.h>
 #include <kos/regfield.h>
diff --git a/kernel/arch/dreamcast/hardware/sci.c b/kernel/arch/dreamcast/hardware/sci.c
index 82322412..8b839880 100644
--- a/kernel/arch/dreamcast/hardware/sci.c
+++ b/kernel/arch/dreamcast/hardware/sci.c
@@ -8,7 +8,7 @@
 #include <dc/math.h>
 #include <arch/cache.h>
 #include <arch/dmac.h>
-#include <arch/timer.h>
+#include <kos/timer.h>
 
 #include <kos/dbglog.h>
 #include <kos/regfield.h>
diff --git a/kernel/arch/dreamcast/hardware/scif-spi.c b/kernel/arch/dreamcast/hardware/scif-spi.c
index 0485a9e5..171e3ea1 100644
--- a/kernel/arch/dreamcast/hardware/scif-spi.c
+++ b/kernel/arch/dreamcast/hardware/scif-spi.c
@@ -8,7 +8,7 @@
 
 #include <dc/scif.h>
 #include <dc/fs_dcload.h>
-#include <arch/timer.h>
+#include <kos/timer.h>
 #include <kos/dbglog.h>
 #include <kos/regfield.h>
 
diff --git a/kernel/arch/dreamcast/hardware/spu.c b/kernel/arch/dreamcast/hardware/spu.c
index 21136e39..78de2315 100644
--- a/kernel/arch/dreamcast/hardware/spu.c
+++ b/kernel/arch/dreamcast/hardware/spu.c
@@ -9,7 +9,7 @@
 #include <dc/spu.h>
 #include <dc/g2bus.h>
 #include <dc/sq.h>
-#include <arch/timer.h>
+#include <kos/timer.h>
 #include <errno.h>
 
 /*
@@ -355,7 +355,7 @@ int spu_init(void) {
     spu_enable();
 
     /* Wait a few clocks */
-    timer_spin_sleep(10);
+    thd_sleep(10);
 
     /* Initialize CDDA channels */
     spu_cdda_init();
diff --git a/kernel/arch/dreamcast/include/arch/timer.h b/kernel/arch/dreamcast/include/arch/timer.h
index caf1290c..99694a32 100644
--- a/kernel/arch/dreamcast/include/arch/timer.h
+++ b/kernel/arch/dreamcast/include/arch/timer.h
@@ -34,6 +34,8 @@ __BEGIN_DECLS
 
 #include <arch/irq.h>
 
+#include <time.h>
+
 /** \defgroup timers    Timer Unit
     \brief              SH4 CPU peripheral providing timers and counters
     \ingroup            timing
@@ -82,8 +84,7 @@ __BEGIN_DECLS
 /** \brief  SH4 Timer Channel 1.
 
     \warning
-    This timer channel is used for the timer_spin_sleep() function, which also
-    backs the kthread, C, C++, and POSIX sleep functions.
+    This timer channel is free to use.
 */
 #define TMU1    1
 
@@ -231,148 +232,39 @@ int timer_ints_enabled(int channel);
     The highest actual tick resolution of \ref TMU2 is 80ns.
 */
 
-/** \brief   Enable the millisecond timer.
-    \ingroup tmu_uptime
-
-    This function enables the timer used for the gettime functions. This is on
-    by default. These functions use \ref TMU2 to do their work.
-*/
-void timer_ms_enable(void);
-
-/** \brief   Disable the millisecond timer.
-    \ingroup tmu_uptime
-
-    This function disables the timer used for the gettime functions. Generally,
-    you will not want to do this, unless you have some need to use the timer
-    \ref TMU2 for something else.
-*/
-void timer_ms_disable(void);
-
-/** \brief   Get the current uptime of the system (in secs and millisecs).
-    \ingroup tmu_uptime
-
-    This function retrieves the number of seconds and milliseconds since KOS was
...<truncated>...


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A pseudo Operating System for the Dreamcast.

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- Log -----------------------------------------------------------------
commit 7346fd704ba489b7d9cf1234282b85957e7625dc
Author: Paul Cercueil <pa...@cr...>
Date:   Fri Sep 19 15:55:36 2025 +0200

    Add C11's static_assert() to <assert.h>
    
    C11 adds the _Static_assert keyword, and a static_assert macro in
    <assert.h>.
    
    Add the static_assert() macro to our <assert.h> copy.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

-----------------------------------------------------------------------

Summary of changes:
 include/assert.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/assert.h b/include/assert.h
index fc7e78ec..a818cdc7 100644
--- a/include/assert.h
+++ b/include/assert.h
@@ -40,6 +40,10 @@ __BEGIN_DECLS
    error message. */
 /** \cond */
 #define _assert(e) assert(e)
+
+#if __STDC_VERSION__ >= 201112L && !defined __cplusplus
+#define static_assert _Static_assert
+#endif
 /** \endcond */
 
 #ifdef NDEBUG


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A pseudo Operating System for the Dreamcast.

[cadcdev-svn-commits] [SCM] branch master updated. 3348accdbc8a4869ef6eeaf7799067d84af64466

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- Log -----------------------------------------------------------------
commit 3348accdbc8a4869ef6eeaf7799067d84af64466
Author: Paul Cercueil <pa...@cr...>
Date:   Mon Sep 15 19:11:08 2025 +0200

    maple: Fix race between driver attach and vblank irq
    
    The device at unit 0 is probed using a shared frame dedicated to device
    detection; devices at unit > 0 are probed using the frame of the unit 0.
    
    This means that as soon as a unit 0 device is registered, its frame can
    be used to auto-detect itself (if previously unplugged) or its children.
    
    Therefore, prior to registering a unit 0 device into the device table,
    we must ensure that all fields have been properly initialized, or we
    will race with the vblank interrupt handler.
    
    Signed-off-by: Paul Cercueil <pa...@cr...>

-----------------------------------------------------------------------

Summary of changes:
 kernel/arch/dreamcast/hardware/maple/maple_driver.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/kernel/arch/dreamcast/hardware/maple/maple_driver.c b/kernel/arch/dreamcast/hardware/maple/maple_driver.c
index 00b9ba0b..f84468d6 100644
--- a/kernel/arch/dreamcast/hardware/maple/maple_driver.c
+++ b/kernel/arch/dreamcast/hardware/maple/maple_driver.c
@@ -73,6 +73,7 @@ int maple_driver_attach(maple_frame_t *det) {
     maple_devinfo_t     *devinfo;
     maple_device_t      *dev = maple_state.ports[det->dst_port].units[det->dst_unit];
     bool                attached = false;
+    bool                dev_allocated = false;
 
     /* Resolve some pointers first */
     resp = (maple_response_t *)det->recv_buf;
@@ -89,12 +90,11 @@ int maple_driver_attach(maple_frame_t *det) {
                 if(!dev)
                     return 1;
 
-                maple_state.ports[det->dst_port].units[det->dst_unit] = dev;
-
                 /* Add the basics for the initial version of the struct */
                 dev->port = det->dst_port;
                 dev->unit = det->dst_unit;
                 dev->frame.state = MAPLE_FRAME_VACANT;
+                dev_allocated = true;
             }
 
             memcpy(&dev->info, devinfo, sizeof(maple_devinfo_t));
@@ -102,10 +102,16 @@ int maple_driver_attach(maple_frame_t *det) {
             /* Now lets allocate a new status buffer */
             if(i->status_size && !dev->status) {
                 dev->status = calloc(1, i->status_size);
-                if(!dev->status)
+                if(!dev->status) {
+                    if(dev_allocated)
+                        free(dev);
                     return 1;
+                }
             }
 
+            if(dev_allocated)
+                maple_state.ports[det->dst_port].units[det->dst_unit] = dev;
+
             if(!i->status_size || dev->status) {
                 /* Try to attach if we need to then break out. */
                 if(!(i->attach) || (i->attach(i, dev) >= 0)) {


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