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cortex_a9: check target halted on APB read/write memory 

Signed-off-by: Luca Ellero <lroluk@gmail.com>
This commit is contained in:
Luca Ellero 2011-02-12 11:54:38 +00:00 committed by Øyvind Harboe
parent 28b953d0bd
commit f609d03f1f
1 changed files with 12 additions and 0 deletions
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12
src/target/cortex_a9.c
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@ -1522,6 +1522,12 @@ static int cortex_a9_read_phys_memory(struct target *target,
int nbytes = count * size; int nbytes = count * size;
uint32_t data; uint32_t data;
if (target->state != TARGET_HALTED)
{
LOG_WARNING("target not halted");
return ERROR_TARGET_NOT_HALTED;
}
/* save registers r0 and r1, we are going to corrupt them */ /* save registers r0 and r1, we are going to corrupt them */
retval = cortex_a9_dap_read_coreregister_u32(target, &saved_r0, 0); retval = cortex_a9_dap_read_coreregister_u32(target, &saved_r0, 0);
if (retval != ERROR_OK) if (retval != ERROR_OK)
@ -1630,6 +1636,12 @@ static int cortex_a9_write_phys_memory(struct target *target,
int nbytes = count * size; int nbytes = count * size;
uint32_t data; uint32_t data;
if (target->state != TARGET_HALTED)
{
LOG_WARNING("target not halted");
return ERROR_TARGET_NOT_HALTED;
}
/* save registers r0 and r1, we are going to corrupt them */ /* save registers r0 and r1, we are going to corrupt them */
retval = cortex_a9_dap_read_coreregister_u32(target, &saved_r0, 0); retval = cortex_a9_dap_read_coreregister_u32(target, &saved_r0, 0);
if (retval != ERROR_OK) if (retval != ERROR_OK)