X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fcortex_m3.c;h=ee9ee2577f7cef6599491a73eaee029d74849b20;hb=5f993dc17c92630514287f886cffefc560a98c42;hp=7b65c8bdf370b9cea6bf7f7f4e873ce94a4448cf;hpb=279affdb982be60dd80517e5c07651726ac46b2c;p=openocd.git diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index 7b65c8bdf3..ee9ee2577f 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -810,6 +810,7 @@ void cortex_m3_enable_breakpoints(struct target_s *target) int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { + int retval; int fp_num=0; u32 hilo; @@ -851,8 +852,14 @@ int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { u8 code[4]; buf_set_u32(code, 0, 32, ARMV7M_T_BKPT(0x11)); - target->type->read_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, breakpoint->orig_instr); - target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, code); + if((retval = target->type->read_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } + if((retval = target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, code)) != ERROR_OK) + { + return retval; + } breakpoint->set = 0x11; /* Any nice value but 0 */ } @@ -861,6 +868,7 @@ int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) int cortex_m3_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { + int retval; /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; cortex_m3_common_t *cortex_m3 = armv7m->arch_info; @@ -889,11 +897,17 @@ int cortex_m3_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint /* restore original instruction (kept in target endianness) */ if (breakpoint->length == 4) { - target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 4, 1, breakpoint->orig_instr); + if((retval = target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } else { - target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 2, 1, breakpoint->orig_instr); + if((retval = target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } } breakpoint->set = 0;