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- Log -----------------------------------------------------------------
commit 86190e3414b9793843d777594dd4754f43278d95
Author: Paul Cercueil <pa...@cr...>
Date: Sat Jul 6 18:20:34 2024 +0200
cache: Fix ranges of i/d cache flush/inval (#664)
-----------------------------------------------------------------------
Summary of changes:
kernel/arch/dreamcast/kernel/cache.s | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/kernel/arch/dreamcast/kernel/cache.s b/kernel/arch/dreamcast/kernel/cache.s
index 484148a2..c3d2b6de 100644
--- a/kernel/arch/dreamcast/kernel/cache.s
+++ b/kernel/arch/dreamcast/kernel/cache.s
@@ -66,7 +66,7 @@ _icache_flush_range:
and r3, r7
add #32, r4 ! Move on to next cache block
- cmp/hs r4, r5
+ cmp/hi r4, r5
bt/s .iflush_loop
mov.l r7, @r6 ! *addr = data
@@ -107,9 +107,9 @@ _dcache_inval_range:
.dinval_loop:
! Invalidate the dcache
ocbi @r4
- cmp/hs r4, r5
- bt/s .dinval_loop
add #32, r4 ! Move on to next cache block
+ cmp/hi r4, r5
+ bt .dinval_loop
.dinval_exit:
rts
@@ -141,9 +141,9 @@ _dcache_flush_range:
.dflush_loop:
! Write back the dcache
ocbwb @r4
- cmp/hs r4, r5
- bt/s .dflush_loop
add #32, r4 ! Move on to next cache block
+ cmp/hi r4, r5
+ bt .dflush_loop
.dflush_exit:
rts
@@ -197,9 +197,9 @@ _dcache_purge_range:
.dpurge_loop:
! Write back and invalidate the D cache
ocbp @r4
- cmp/hs r4, r5
- bt/s .dpurge_loop
add #32, r4 ! Move on to next cache block
+ cmp/hi r4, r5
+ bt .dpurge_loop
.dpurge_exit:
rts
@@ -239,9 +239,9 @@ _dcache_purge_all_with_buffer:
! Allocate and then invalidate the dcache line
movca.l r0, @r4
ocbi @r4
- cmp/hs r4, r5
- bt/s .dpurge_all_buffer_loop
add #32, r4 ! Move on to next cache block
+ cmp/hi r4, r5
+ bt .dpurge_all_buffer_loop
rts
nop
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A pseudo Operating System for the Dreamcast.
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