diff options
Diffstat (limited to 'src/target/arm720t.c')
| -rw-r--r-- | src/target/arm720t.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/target/arm720t.c b/src/target/arm720t.c index 6bf38bbc..96e0baaf 100644 --- a/src/target/arm720t.c +++ b/src/target/arm720t.c @@ -202,13 +202,18 @@ static int arm720t_enable_mmu_caches(struct target *target, return retval; } -static void arm720t_post_debug_entry(struct target *target) +static int arm720t_post_debug_entry(struct target *target) { struct arm720t_common *arm720t = target_to_arm720(target); + int retval; /* examine cp15 control reg */ - arm720t_read_cp15(target, 0xee110f10, &arm720t->cp15_control_reg); - jtag_execute_queue(); + retval = arm720t_read_cp15(target, 0xee110f10, &arm720t->cp15_control_reg); + if (retval != ERROR_OK) + return retval; + retval = jtag_execute_queue(); + if (retval != ERROR_OK) + return retval; LOG_DEBUG("cp15_control_reg: %8.8" PRIx32 "", arm720t->cp15_control_reg); arm720t->armv4_5_mmu.mmu_enabled = (arm720t->cp15_control_reg & 0x1U) ? 1 : 0; @@ -216,9 +221,14 @@ static void arm720t_post_debug_entry(struct target *target) arm720t->armv4_5_mmu.armv4_5_cache.i_cache_enabled = 0; /* save i/d fault status and address register */ - arm720t_read_cp15(target, 0xee150f10, &arm720t->fsr_reg); - arm720t_read_cp15(target, 0xee160f10, &arm720t->far_reg); - jtag_execute_queue(); + retval = arm720t_read_cp15(target, 0xee150f10, &arm720t->fsr_reg); + if (retval != ERROR_OK) + return retval; + retval = arm720t_read_cp15(target, 0xee160f10, &arm720t->far_reg); + if (retval != ERROR_OK) + return retval; + retval = jtag_execute_queue(); + return retval; } static void arm720t_pre_restore_context(struct target *target) |