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Diffstat (limited to 'src/target/cortex_m3.c')
-rw-r--r--src/target/cortex_m3.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c
index ef57a4cd..d8a28796 100644
--- a/src/target/cortex_m3.c
+++ b/src/target/cortex_m3.c
@@ -1495,7 +1495,7 @@ static int cortex_m3_init_target(struct command_context_s *cmd_ctx,
static int cortex_m3_examine(struct target_s *target)
{
int retval;
- uint32_t cpuid, fpcr, dwtcr, ictr;
+ uint32_t cpuid, fpcr, dwtcr;
int i;
/* get pointers to arch-specific information */
@@ -1511,21 +1511,15 @@ static int cortex_m3_examine(struct target_s *target)
target_set_examined(target);
/* Read from Device Identification Registers */
- if ((retval = target_read_u32(target, CPUID, &cpuid)) != ERROR_OK)
+ retval = target_read_u32(target, CPUID, &cpuid);
+ if (retval != ERROR_OK)
return retval;
if (((cpuid >> 4) & 0xc3f) == 0xc23)
LOG_DEBUG("CORTEX-M3 processor detected");
LOG_DEBUG("cpuid: 0x%8.8" PRIx32 "", cpuid);
- target_read_u32(target, NVIC_ICTR, &ictr);
- cortex_m3->intlinesnum = (ictr & 0x1F) + 1;
- cortex_m3->intsetenable = calloc(cortex_m3->intlinesnum, 4);
- for (i = 0; i < cortex_m3->intlinesnum; i++)
- {
- target_read_u32(target, NVIC_ISE0 + 4 * i, cortex_m3->intsetenable + i);
- LOG_DEBUG("interrupt enable[%i] = 0x%8.8" PRIx32 "", i, cortex_m3->intsetenable[i]);
- }
+ /* NOTE: FPB and DWT are both optional. */
/* Setup FPB */
target_read_u32(target, FP_CTRL, &fpcr);