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Don't clobber watchpoints used for trace.

This commit is contained in:
Gareth McMullin 2012-05-19 11:53:41 +12:00
parent 38bea69f8a
commit 32c1af05de
1 changed files with 3 additions and 1 deletions
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4
src/cortexm3.c
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@ -660,7 +660,9 @@ cm3_set_hw_wp(struct target_s *target, uint8_t type, uint32_t addr, uint8_t len)
}
for(i = 0; i < hw_watchpoint_max; i++)
if((hw_watchpoint[i].type) == 0) break;
if((hw_watchpoint[i].type == 0) &&
((adiv5_ap_mem_read(t->ap, CM3_DWT_FUNC(i)) & 0xF) == 0))
break;
if(i == hw_watchpoint_max) return -2;