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| author | Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> | 2016-05-05 22:13:19 +0200 |
|---|---|---|
| committer | Freddie Chopin <freddie.chopin@gmail.com> | 2016-05-06 20:56:57 +0100 |
| commit | ae5883fb1d91c7e0e75911212c60f90da9f3732f (patch) | |
| tree | 5ccc0fdc306cd47c3e9aeacde75664d63c518f79 /src/target/cortex_m.c | |
| parent | 241a92d0f2d2ab57d29a665dd34f0000709c13a7 (diff) | |
| download | riscv-openocd-ae5883fb1d91c7e0e75911212c60f90da9f3732f.zip riscv-openocd-ae5883fb1d91c7e0e75911212c60f90da9f3732f.tar.gz riscv-openocd-ae5883fb1d91c7e0e75911212c60f90da9f3732f.tar.bz2 | |
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
Diffstat (limited to 'src/target/cortex_m.c')
| -rw-r--r-- | src/target/cortex_m.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c index 831d01a..32b46d3 100644 --- a/src/target/cortex_m.c +++ b/src/target/cortex_m.c @@ -1923,6 +1923,13 @@ int cortex_m_examine(struct target *target) LOG_DEBUG("Cortex-M%d r%" PRId8 "p%" PRId8 " processor detected", 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); /* test for floating point feature on cortex-m4 */ |