diff options
| -rw-r--r-- | doc/openocd.texi | 7 | ||||
| -rw-r--r-- | src/target/cortex_m.c | 29 | ||||
| -rw-r--r-- | src/target/cortex_m.h | 1 |
3 files changed, 5 insertions, 32 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 1243438a..a4724460 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -8630,9 +8630,10 @@ the next instruction where the core was halted. After the step interrupts are enabled again. If the interrupt handlers don't complete within 500ms, the step command leaves with the core running. -Note that a free breakpoint is required for the @option{auto} option. If no -breakpoint is available at the time of the step, then the step is taken -with interrupts enabled, i.e. the same way the @option{off} option does. +Note that a free hardware (FPB) breakpoint is required for the @option{auto} +option. If no breakpoint is available at the time of the step, then the step +is taken with interrupts enabled, i.e. the same way the @option{off} option +does. Default is @option{auto}. @end deffn diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c index a356350a..30439f45 100644 --- a/src/target/cortex_m.c +++ b/src/target/cortex_m.c @@ -51,11 +51,6 @@ * any longer. */ -/** - * Returns the type of a break point required by address location - */ -#define BKPT_TYPE_BY_ADDR(addr) ((addr) < 0x20000000 ? BKPT_HARD : BKPT_SOFT) - /* forward declarations */ static int cortex_m_store_core_reg_u32(struct target *target, uint32_t num, uint32_t value); @@ -868,7 +863,7 @@ static int cortex_m_step(struct target *target, int current, if (breakpoint) retval = cortex_m_set_breakpoint(target, breakpoint); else - retval = breakpoint_add(target, pc_value, 2, BKPT_TYPE_BY_ADDR(pc_value)); + retval = breakpoint_add(target, pc_value, 2, BKPT_HARD); bool tmp_bp_set = (retval == ERROR_OK); /* No more breakpoints left, just do a step */ @@ -1131,9 +1126,6 @@ int cortex_m_set_breakpoint(struct target *target, struct breakpoint *breakpoint return ERROR_OK; } - if (cortex_m->auto_bp_type) - breakpoint->type = BKPT_TYPE_BY_ADDR(breakpoint->address); - if (breakpoint->type == BKPT_HARD) { uint32_t fpcr_value; while (comparator_list[fp_num].used && (fp_num < cortex_m->fp_num_code)) @@ -1253,21 +1245,6 @@ int cortex_m_add_breakpoint(struct target *target, struct breakpoint *breakpoint { struct cortex_m_common *cortex_m = target_to_cm(target); - if (cortex_m->auto_bp_type) - breakpoint->type = BKPT_TYPE_BY_ADDR(breakpoint->address); - - if (breakpoint->type != BKPT_TYPE_BY_ADDR(breakpoint->address)) { - if (breakpoint->type == BKPT_HARD) { - LOG_INFO("flash patch comparator requested outside code memory region"); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - - if (breakpoint->type == BKPT_SOFT) { - LOG_INFO("soft breakpoint requested in code (flash) memory region"); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - } - if ((breakpoint->type == BKPT_HARD) && (cortex_m->fp_code_available < 1)) { LOG_INFO("no flash patch comparator unit available for hardware breakpoint"); return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; @@ -1299,9 +1276,6 @@ int cortex_m_remove_breakpoint(struct target *target, struct breakpoint *breakpo return ERROR_TARGET_NOT_HALTED; } - if (cortex_m->auto_bp_type) - breakpoint->type = BKPT_TYPE_BY_ADDR(breakpoint->address); - if (breakpoint->set) cortex_m_unset_breakpoint(target, breakpoint); @@ -2111,7 +2085,6 @@ int cortex_m_examine(struct target *target) /* Setup FPB */ target_read_u32(target, FP_CTRL, &fpcr); - cortex_m->auto_bp_type = 1; /* bits [14:12] and [7:4] */ cortex_m->fp_num_code = ((fpcr >> 8) & 0x70) | ((fpcr >> 4) & 0xF); cortex_m->fp_num_lit = (fpcr >> 8) & 0xF; diff --git a/src/target/cortex_m.h b/src/target/cortex_m.h index 9500acc1..2daf4cb2 100644 --- a/src/target/cortex_m.h +++ b/src/target/cortex_m.h @@ -175,7 +175,6 @@ struct cortex_m_common { int fp_code_available; int fp_rev; int fpb_enabled; - int auto_bp_type; struct cortex_m_fp_comparator *fp_comparator_list; /* Data Watchpoint and Trace (DWT) */ |