diff options
Diffstat (limited to 'src/target/arm11.c')
| -rw-r--r-- | src/target/arm11.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/src/target/arm11.c b/src/target/arm11.c index d08911e8..60800862 100644 --- a/src/target/arm11.c +++ b/src/target/arm11.c @@ -50,7 +50,6 @@ enum arm11_regtype { /* debug regs */ ARM11_REGISTER_DSCR, - ARM11_REGISTER_WDTR, }; @@ -67,13 +66,11 @@ static const struct arm11_reg_defs arm11_reg_defs[] = { /* Debug Registers */ {"dscr", 0, -1, ARM11_REGISTER_DSCR}, - {"wdtr", 0, -1, ARM11_REGISTER_WDTR}, }; enum arm11_regcache_ids { ARM11_RC_DSCR, - ARM11_RC_WDTR, ARM11_RC_MAX, }; @@ -171,8 +168,8 @@ static int arm11_debug_entry(struct arm11_common *arm11, uint32_t dscr) R(DSCR) = dscr; /* Save wDTR */ - - if (dscr & ARM11_DSCR_WDTR_FULL) + arm11->is_wdtr_saved = !!(dscr & ARM11_DSCR_WDTR_FULL); + if (arm11->is_wdtr_saved) { arm11_add_debug_SCAN_N(arm11, 0x05, ARM11_TAP_DEFAULT); @@ -180,17 +177,13 @@ static int arm11_debug_entry(struct arm11_common *arm11, uint32_t dscr) struct scan_field chain5_fields[3]; - arm11_setup_field(arm11, 32, NULL, &R(WDTR), chain5_fields + 0); + arm11_setup_field(arm11, 32, NULL, + &arm11->saved_wdtr, chain5_fields + 0); arm11_setup_field(arm11, 1, NULL, NULL, chain5_fields + 1); arm11_setup_field(arm11, 1, NULL, NULL, chain5_fields + 2); arm11_add_dr_scan_vc(ARRAY_SIZE(chain5_fields), chain5_fields, TAP_DRPAUSE); } - else - { - arm11->reg_list[ARM11_RC_WDTR].valid = 0; - } - /* DSCR: set ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE * @@ -328,14 +321,15 @@ static int arm11_leave_debug_state(struct arm11_common *arm11, bool bpwp) } /* maybe restore original wDTR */ - if ((R(DSCR) & ARM11_DSCR_WDTR_FULL) || arm11->reg_list[ARM11_RC_WDTR].dirty) + if (arm11->is_wdtr_saved) { retval = arm11_run_instr_data_prepare(arm11); if (retval != ERROR_OK) return retval; /* MCR p14,0,R0,c0,c5,0 */ - retval = arm11_run_instr_data_to_core_via_r0(arm11, 0xee000e15, R(WDTR)); + retval = arm11_run_instr_data_to_core_via_r0(arm11, + 0xee000e15, arm11->saved_wdtr); if (retval != ERROR_OK) return retval; |