diff options
Diffstat (limited to 'src/target/aarch64.c')
-rw-r--r-- | src/target/aarch64.c | 71 |
1 files changed, 30 insertions, 41 deletions
diff --git a/src/target/aarch64.c b/src/target/aarch64.c index 4ba92c8..ef00fd1 100644 --- a/src/target/aarch64.c +++ b/src/target/aarch64.c @@ -988,25 +988,26 @@ static int aarch64_debug_entry(struct target *target) /* Examine debug reason */ armv8_dpm_report_dscr(dpm, dscr); - /* save address of instruction that triggered the watchpoint? */ + /* save the memory address that triggered the watchpoint */ if (target->debug_reason == DBG_REASON_WATCHPOINT) { uint32_t tmp; - uint64_t wfar = 0; retval = mem_ap_read_atomic_u32(armv8->debug_ap, - armv8->debug_base + CPUV8_DBG_WFAR1, - &tmp); + armv8->debug_base + CPUV8_DBG_EDWAR0, &tmp); if (retval != ERROR_OK) return retval; - wfar = tmp; - wfar = (wfar << 32); - retval = mem_ap_read_atomic_u32(armv8->debug_ap, - armv8->debug_base + CPUV8_DBG_WFAR0, - &tmp); - if (retval != ERROR_OK) - return retval; - wfar |= tmp; - armv8_dpm_report_wfar(&armv8->dpm, wfar); + target_addr_t edwar = tmp; + + /* EDWAR[63:32] has unknown content in aarch32 state */ + if (core_state == ARM_STATE_AARCH64) { + retval = mem_ap_read_atomic_u32(armv8->debug_ap, + armv8->debug_base + CPUV8_DBG_EDWAR1, &tmp); + if (retval != ERROR_OK) + return retval; + edwar |= ((target_addr_t)tmp) << 32; + } + + armv8->dpm.wp_addr = edwar; } retval = armv8_dpm_read_current_registers(&armv8->dpm); @@ -1853,31 +1854,19 @@ int aarch64_hit_watchpoint(struct target *target, struct armv8_common *armv8 = target_to_armv8(target); - uint64_t exception_address; + target_addr_t exception_address; struct watchpoint *wp; - exception_address = armv8->dpm.wp_pc; + exception_address = armv8->dpm.wp_addr; if (exception_address == 0xFFFFFFFF) return ERROR_FAIL; - /**********************************************************/ - /* see if a watchpoint address matches a value read from */ - /* the EDWAR register. Testing shows that on some ARM CPUs*/ - /* the EDWAR value needs to have 8 added to it so we add */ - /* that check as well not sure if that is a core bug) */ - /**********************************************************/ - for (exception_address = armv8->dpm.wp_pc; exception_address <= (armv8->dpm.wp_pc + 8); - exception_address += 8) { - for (wp = target->watchpoints; wp; wp = wp->next) { - if ((exception_address >= wp->address) && (exception_address < (wp->address + wp->length))) { - *hit_watchpoint = wp; - if (exception_address != armv8->dpm.wp_pc) - LOG_DEBUG("watchpoint hit required EDWAR to be increased by 8"); - return ERROR_OK; - } + for (wp = target->watchpoints; wp; wp = wp->next) + if (exception_address >= wp->address && exception_address < (wp->address + wp->length)) { + *hit_watchpoint = wp; + return ERROR_OK; } - } return ERROR_FAIL; } @@ -2796,15 +2785,15 @@ enum aarch64_cfg_param { CFG_CTI, }; -static const Jim_Nvp nvp_config_opts[] = { +static const struct jim_nvp nvp_config_opts[] = { { .name = "-cti", .value = CFG_CTI }, { .name = NULL, .value = -1 } }; -static int aarch64_jim_configure(struct target *target, Jim_GetOptInfo *goi) +static int aarch64_jim_configure(struct target *target, struct jim_getopt_info *goi) { struct aarch64_private_config *pc; - Jim_Nvp *n; + struct jim_nvp *n; int e; pc = (struct aarch64_private_config *)target->private_config; @@ -2835,12 +2824,12 @@ static int aarch64_jim_configure(struct target *target, Jim_GetOptInfo *goi) Jim_SetEmptyResult(goi->interp); /* check first if topmost item is for us */ - e = Jim_Nvp_name2value_obj(goi->interp, nvp_config_opts, + e = jim_nvp_name2value_obj(goi->interp, nvp_config_opts, goi->argv[0], &n); if (e != JIM_OK) return JIM_CONTINUE; - e = Jim_GetOpt_Obj(goi, NULL); + e = jim_getopt_obj(goi, NULL); if (e != JIM_OK) return e; @@ -2849,7 +2838,7 @@ static int aarch64_jim_configure(struct target *target, Jim_GetOptInfo *goi) if (goi->isconfigure) { Jim_Obj *o_cti; struct arm_cti *cti; - e = Jim_GetOpt_Obj(goi, &o_cti); + e = jim_getopt_obj(goi, &o_cti); if (e != JIM_OK) return e; cti = cti_instance_by_jim_obj(goi->interp, o_cti); @@ -2941,15 +2930,15 @@ COMMAND_HANDLER(aarch64_mask_interrupts_command) struct target *target = get_current_target(CMD_CTX); struct aarch64_common *aarch64 = target_to_aarch64(target); - static const Jim_Nvp nvp_maskisr_modes[] = { + static const struct jim_nvp nvp_maskisr_modes[] = { { .name = "off", .value = AARCH64_ISRMASK_OFF }, { .name = "on", .value = AARCH64_ISRMASK_ON }, { .name = NULL, .value = -1 }, }; - const Jim_Nvp *n; + const struct jim_nvp *n; if (CMD_ARGC > 0) { - n = Jim_Nvp_name2value_simple(nvp_maskisr_modes, CMD_ARGV[0]); + n = jim_nvp_name2value_simple(nvp_maskisr_modes, CMD_ARGV[0]); if (n->name == NULL) { LOG_ERROR("Unknown parameter: %s - should be off or on", CMD_ARGV[0]); return ERROR_COMMAND_SYNTAX_ERROR; @@ -2958,7 +2947,7 @@ COMMAND_HANDLER(aarch64_mask_interrupts_command) aarch64->isrmasking_mode = n->value; } - n = Jim_Nvp_value2name_simple(nvp_maskisr_modes, aarch64->isrmasking_mode); + n = jim_nvp_value2name_simple(nvp_maskisr_modes, aarch64->isrmasking_mode); command_print(CMD, "aarch64 interrupt mask %s", n->name); return ERROR_OK; |