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cortex_m: fix VECTRESET detection for ARMv6-M cores 

VECTRESET check should be done after verifying if the core is an ARMv6-M core,
and not before that.

Fixes: 2dc9c1df81 ("cortex_m: [FIX] ARMv8-M does not support VECTRESET")
Change-Id: I8306affd332b3a35cea69bba39ef24ca71244273
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/6232
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Tarek BOCHKATI 2021-05-11 09:22:01 +01:00 committed by Tomas Vanek
parent 3a85fd52b6
commit 936cff887a
1 changed files with 3 additions and 3 deletions
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6
src/target/cortex_m.c
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@ -2040,9 +2040,6 @@ int cortex_m_examine(struct target *target)
}
LOG_DEBUG("cpuid: 0x%8.8" PRIx32 "", cpuid);
/* VECTRESET is supported only on ARMv7-M cores */
cortex_m->vectreset_supported = !armv7m->arm.is_armv8m && !armv7m->arm.is_armv6m;
if (core == 4) {
target_read_u32(target, MVFR0, &mvfr0);
target_read_u32(target, MVFR1, &mvfr1);
@ -2069,6 +2066,9 @@ int cortex_m_examine(struct target *target)
armv7m->arm.is_armv6m = true;
}
/* VECTRESET is supported only on ARMv7-M cores */
cortex_m->vectreset_supported = !armv7m->arm.is_armv8m && !armv7m->arm.is_armv6m;
/* Check for FPU, otherwise mark FPU register as non-existent */
if (armv7m->fp_feature == FP_NONE)
for (size_t idx = ARMV7M_FPU_FIRST_REG; idx <= ARMV7M_FPU_LAST_REG; idx++)