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armv7m: do not access FPU registers when not present

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This is runtime and valgrind tested with l0, l1 and f3 hla boards.

Change-Id: I49b0b042253d5f3bf216997f0203583db319fe23
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2516
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Paul Fertser
2015-01-29 13:58:45 +03:00
parent dccbf7d88d
commit 217403ce09
3 changed files with 16 additions and 4 deletions
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8
src/target/armv7m.c
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@@ -148,7 +148,7 @@ int armv7m_restore_context(struct target *target)
if (armv7m->pre_restore_context)
armv7m->pre_restore_context(target);
for (i = ARMV7M_NUM_REGS - 1; i >= 0; i--) {
for (i = cache->num_regs - 1; i >= 0; i--) {
if (cache->reg_list[i].dirty) {
armv7m->arm.write_core_reg(target, &cache->reg_list[i], i,
ARM_MODE_ANY, cache->reg_list[i].value);
@@ -302,7 +302,7 @@ int armv7m_get_gdb_reg_list(struct target *target, struct reg **reg_list[],
int i;
if (reg_class == REG_CLASS_ALL)
*reg_list_size = ARMV7M_NUM_REGS;
*reg_list_size = armv7m->arm.core_cache->num_regs;
else
*reg_list_size = ARMV7M_NUM_CORE_REGS;
@@ -368,7 +368,7 @@ int armv7m_start_algorithm(struct target *target,
/* refresh core register cache
* Not needed if core register cache is always consistent with target process state */
for (unsigned i = 0; i < ARMV7M_NUM_REGS; i++) {
for (unsigned i = 0; i < armv7m->arm.core_cache->num_regs; i++) {
armv7m_algorithm_info->context[i] = buf_get_u32(
armv7m->arm.core_cache->reg_list[i].value,
@@ -503,7 +503,7 @@ int armv7m_wait_algorithm(struct target *target,
}
}
for (int i = ARMV7M_NUM_REGS - 1; i >= 0; i--) {
for (int i = armv7m->arm.core_cache->num_regs - 1; i >= 0; i--) {
uint32_t regvalue;
regvalue = buf_get_u32(armv7m->arm.core_cache->reg_list[i].value, 0, 32);
if (regvalue != armv7m_algorithm_info->context[i]) {