auracaster/openocd
3
0
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Laurentiu Cocanu - memory read/write and exit() error path fixes

Browse Source 
git-svn-id: svn://svn.berlios.de/openocd/trunk@1064 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2008-10-15 11:44:36 +00:00
parent af41e6aac8
commit ccc2e3fe76
15 changed files with 406 additions and 131 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/target/cortex_m3.c
View File

@@ -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;