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-rw-r--r--src/target/cortex_m.c18
-rw-r--r--src/target/cortex_m.h1
2 files changed, 1 insertions, 18 deletions
diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c
index 8223de7..8c43016 100644
--- a/src/target/cortex_m.c
+++ b/src/target/cortex_m.c
@@ -1164,7 +1164,7 @@ int cortex_m_set_breakpoint(struct target *target, struct breakpoint *breakpoint
fp_num++;
if (fp_num >= cortex_m->fp_num_code) {
LOG_ERROR("Can not find free FPB Comparator!");
- return ERROR_FAIL;
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
breakpoint->set = fp_num + 1;
fpcr_value = breakpoint->address | 1;
@@ -1273,13 +1273,6 @@ int cortex_m_unset_breakpoint(struct target *target, struct breakpoint *breakpoi
int cortex_m_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
{
- struct cortex_m_common *cortex_m = target_to_cm(target);
-
- if ((breakpoint->type == BKPT_HARD) && (cortex_m->fp_code_available < 1)) {
- LOG_INFO("no flash patch comparator unit available for hardware breakpoint");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
-
if (breakpoint->length == 3) {
LOG_DEBUG("Using a two byte breakpoint for 32bit Thumb-2 request");
breakpoint->length = 2;
@@ -1290,16 +1283,11 @@ int cortex_m_add_breakpoint(struct target *target, struct breakpoint *breakpoint
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- if (breakpoint->type == BKPT_HARD)
- cortex_m->fp_code_available--;
-
return cortex_m_set_breakpoint(target, breakpoint);
}
int cortex_m_remove_breakpoint(struct target *target, struct breakpoint *breakpoint)
{
- struct cortex_m_common *cortex_m = target_to_cm(target);
-
/* REVISIT why check? FPB can be updated with core running ... */
if (target->state != TARGET_HALTED) {
LOG_WARNING("target not halted");
@@ -1309,9 +1297,6 @@ int cortex_m_remove_breakpoint(struct target *target, struct breakpoint *breakpo
if (breakpoint->set)
cortex_m_unset_breakpoint(target, breakpoint);
- if (breakpoint->type == BKPT_HARD)
- cortex_m->fp_code_available++;
-
return ERROR_OK;
}
@@ -2121,7 +2106,6 @@ int cortex_m_examine(struct target *target)
/* bits [14:12] and [7:4] */
cortex_m->fp_num_code = ((fpcr >> 8) & 0x70) | ((fpcr >> 4) & 0xF);
cortex_m->fp_num_lit = (fpcr >> 8) & 0xF;
- cortex_m->fp_code_available = cortex_m->fp_num_code;
/* Detect flash patch revision, see RM DDI 0403E.b page C1-817.
Revision is zero base, fp_rev == 1 means Rev.2 ! */
cortex_m->fp_rev = (fpcr >> 28) & 0xf;
diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h
index b375d11..4b20746 100644
--- a/src/target/cortex_m.h
+++ b/src/target/cortex_m.h
@@ -172,7 +172,6 @@ struct cortex_m_common {
/* Flash Patch and Breakpoint (FPB) */
int fp_num_lit;
int fp_num_code;
- int fp_code_available;
int fp_rev;
bool fpb_enabled;
struct cortex_m_fp_comparator *fp_comparator_list;