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target/cortex_m: support DWT version 2.1 for Archv8_M

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According to Arm®v8-M Architecture Reference Manual:
section D1.2.59 DWT_DEVARCH, DWT Device Architecture Register,
the field REVISION bits [19:16] defines two DWT architectures revision

Signed-off-by: Fedi Bouzazi <fedi.bouzazi@st.com>
Change-Id: I948dae0710ac921a7f0fbcef3ccacdae99184fe4
Reviewed-on: https://review.openocd.org/c/openocd/+/7800
Tested-by: jenkins
Reviewed-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Fedi Bouzazi
2023-08-14 13:03:31 +01:00
committed by Antonio Borneo
parent 8bbbff185f
commit fb52ba4fa1
2 changed files with 4 additions and 2 deletions
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src/target/cortex_m.c
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@@ -1959,7 +1959,8 @@ static int cortex_m_set_watchpoint(struct target *target, struct watchpoint *wat
target_write_u32(target, comparator->dwt_comparator_address + 0,
comparator->comp);
if ((cortex_m->dwt_devarch & 0x1FFFFF) != DWT_DEVARCH_ARMV8M) {
if ((cortex_m->dwt_devarch & 0x1FFFFF) != DWT_DEVARCH_ARMV8M_V2_0
&& (cortex_m->dwt_devarch & 0x1FFFFF) != DWT_DEVARCH_ARMV8M_V2_1) {
uint32_t mask = 0, temp;
/* watchpoint params were validated earlier */