diff options
Diffstat (limited to 'src/target/cortex_m.c')
-rw-r--r-- | src/target/cortex_m.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c index 38ed4c3a..028bfd80 100644 --- a/src/target/cortex_m.c +++ b/src/target/cortex_m.c @@ -61,6 +61,7 @@ /* forward declarations */ static int cortex_m_store_core_reg_u32(struct target *target, uint32_t num, uint32_t value); +static void cortex_m_dwt_free(struct target *target); static int cortexm_dap_read_coreregister_u32(struct target *target, uint32_t *value, int regnum) @@ -1833,6 +1834,27 @@ fail1: */ } +static void cortex_m_dwt_free(struct target *target) +{ + struct cortex_m_common *cm = target_to_cm(target); + struct reg_cache *cache = cm->dwt_cache; + + free(cm->dwt_comparator_list); + cm->dwt_comparator_list = NULL; + + if (cache) { + register_unlink_cache(&target->reg_cache, cache); + + if (cache->reg_list) { + for (size_t i = 0; i < cache->num_regs; i++) + free(cache->reg_list[i].arch_info); + free(cache->reg_list); + } + free(cache); + } + cm->dwt_cache = NULL; +} + #define MVFR0 0xe000ef40 #define MVFR1 0xe000ef44 @@ -1910,6 +1932,7 @@ int cortex_m_examine(struct target *target) 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; + free(cortex_m->fp_comparator_list); cortex_m->fp_comparator_list = calloc( cortex_m->fp_num_code + cortex_m->fp_num_lit, sizeof(struct cortex_m_fp_comparator)); @@ -1928,6 +1951,7 @@ int cortex_m_examine(struct target *target) cortex_m->fp_num_lit); /* Setup DWT */ + cortex_m_dwt_free(target); cortex_m_dwt_setup(cortex_m, target); /* These hardware breakpoints only work for code in flash! */ |