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Cortex-M7: Give user a hint about single stepping problem up to r0p1. 

http://www.keil.com/support/docs/3778.htm

Change-Id: I452f76726f3bb269fa14cc785f329bfba5189489
Signed-off-by: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Reviewed-on: http://openocd.zylin.com/3467
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Tested-by: jenkins
__archive__
Uwe Bonnes 2016-05-05 22:13:19 +02:00 committed by Freddie Chopin
parent 241a92d0f2
commit ae5883fb1d
1 changed files with 7 additions and 0 deletions
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7
src/target/cortex_m.c
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@ -1923,6 +1923,13 @@ int cortex_m_examine(struct target *target)
LOG_DEBUG("Cortex-M%d r%" PRId8 "p%" PRId8 " processor detected", LOG_DEBUG("Cortex-M%d r%" PRId8 "p%" PRId8 " processor detected",
i, (uint8_t)((cpuid >> 20) & 0xf), (uint8_t)((cpuid >> 0) & 0xf)); i, (uint8_t)((cpuid >> 20) & 0xf), (uint8_t)((cpuid >> 0) & 0xf));
if (i == 7) {
uint8_t rev, patch;
rev = (cpuid >> 20) & 0xf;
patch = (cpuid >> 0) & 0xf;
if ((rev == 0) && (patch < 2))
LOG_WARNING("Silicon bug: single stepping will enter pending exception handler!");
}
LOG_DEBUG("cpuid: 0x%8.8" PRIx32 "", cpuid); LOG_DEBUG("cpuid: 0x%8.8" PRIx32 "", cpuid);
/* test for floating point feature on cortex-m4 */ /* test for floating point feature on cortex-m4 */