[OpenOCD-commit] Main OpenOCD repository branch, master, updated. v0.12.0-562-gac6b00c3c

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- Log -----------------------------------------------------------------
commit ac6b00c3cae5def9c1b3f08fae68703abc494109
Author: Antonio Borneo <bor...@gm...>
Date:   Sat Apr 6 00:26:38 2024 +0200

    target: cortex_m: fix display of DWT registers
    
    Commit 16b4b8cf5453 ("Cortex-M3: expose most DWT registers") added
    the DWT registers to the list of CPU registers.
    The commit message from 2009 reports the reason behind this odd
    mixing of CPU and DWT registers.
    This feature got broken in 2017 with the introduction of the field
    struct reg::exist and its further use in the code. As result, the
    command 'reg' on a target Cortex-M reports only the core registers
    and then the header line
            ===== Cortex-M DWT registers
    not anymore followed by the DWT registers.
    
    Fix it by tagging each DWT registers as existing.
    
    Change-Id: Iab026e7da8d6b8ba052514c3fd3b5cdfe301f330
    Signed-off-by: Antonio Borneo <bor...@gm...>
    Fixes: b5964191f0d2 ("register: support non-existent registers")
    Reviewed-on: https://review.openocd.org/c/openocd/+/8198
    Reviewed-by: Tomas Vanek <va...@fb...>
    Tested-by: jenkins

diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index 4894cabf8..a26df2e5a 100644
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -2351,6 +2351,7 @@ static void cortex_m_dwt_addreg(struct target *t, struct reg *r, const struct dw
 	r->value = state->value;
 	r->arch_info = state;
 	r->type = &dwt_reg_type;
+	r->exist = true;
 }
 
 static void cortex_m_dwt_setup(struct cortex_m_common *cm, struct target *target)

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

Summary of changes:
 src/target/cortex_m.c | 1 +
 1 file changed, 1 insertion(+)


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