* 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);
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 */
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))
breakpoint->set = fp_num + 1;
fpcr_value = breakpoint->address | 1;
if (cortex_m->fp_rev == 0) {
+ if (breakpoint->address > 0x1FFFFFFF) {
+ LOG_ERROR("Cortex-M Flash Patch Breakpoint rev.1 cannot handle HW breakpoint above address 0x1FFFFFFE");
+ return ERROR_FAIL;
+ }
uint32_t hilo;
hilo = (breakpoint->address & 0x2) ? FPCR_REPLACE_BKPT_HIGH : FPCR_REPLACE_BKPT_LOW;
fpcr_value = (fpcr_value & 0x1FFFFFFC) | hilo | 1;
{
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;
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);
struct dwt_reg {
uint32_t addr;
- char *name;
+ const char *name;
unsigned size;
};
-static struct dwt_reg dwt_base_regs[] = {
+static const struct dwt_reg dwt_base_regs[] = {
{ DWT_CTRL, "dwt_ctrl", 32, },
/* NOTE that Erratum 532314 (fixed r2p0) affects CYCCNT: it wrongly
* increments while the core is asleep.
/* plus some 8 bit counters, useful for profiling with TPIU */
};
-static struct dwt_reg dwt_comp[] = {
+static const struct dwt_reg dwt_comp[] = {
#define DWT_COMPARATOR(i) \
{ DWT_COMP0 + 0x10 * (i), "dwt_" #i "_comp", 32, }, \
{ DWT_MASK0 + 0x10 * (i), "dwt_" #i "_mask", 4, }, \
DWT_COMPARATOR(1),
DWT_COMPARATOR(2),
DWT_COMPARATOR(3),
+ DWT_COMPARATOR(4),
+ DWT_COMPARATOR(5),
+ DWT_COMPARATOR(6),
+ DWT_COMPARATOR(7),
+ DWT_COMPARATOR(8),
+ DWT_COMPARATOR(9),
+ DWT_COMPARATOR(10),
+ DWT_COMPARATOR(11),
+ DWT_COMPARATOR(12),
+ DWT_COMPARATOR(13),
+ DWT_COMPARATOR(14),
+ DWT_COMPARATOR(15),
#undef DWT_COMPARATOR
};
.set = cortex_m_dwt_set_reg,
};
-static void cortex_m_dwt_addreg(struct target *t, struct reg *r, struct dwt_reg *d)
+static void cortex_m_dwt_addreg(struct target *t, struct reg *r, const struct dwt_reg *d)
{
struct dwt_reg_state *state;
int reg, i;
target_read_u32(target, DWT_CTRL, &dwtcr);
+ LOG_DEBUG("DWT_CTRL: 0x%" PRIx32, dwtcr);
if (!dwtcr) {
LOG_DEBUG("no DWT");
return;
/* stlink shares the examine handler but does not support
* all its calls */
if (!armv7m->stlink) {
- retval = dap_dp_init(swjdp);
- if (retval != ERROR_OK) {
- LOG_ERROR("Could not initialize the debug port");
- return retval;
- }
-
if (cortex_m->apsel < 0) {
/* Search for the MEM-AP */
retval = dap_find_ap(swjdp, AP_TYPE_AHB_AP, &armv7m->debug_ap);
/* 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;
}
static int cortex_m_init_arch_info(struct target *target,
- struct cortex_m_common *cortex_m, struct jtag_tap *tap)
+ struct cortex_m_common *cortex_m, struct adiv5_dap *dap)
{
struct armv7m_common *armv7m = &cortex_m->armv7m;
armv7m_init_arch_info(target, armv7m);
- /* tap has no dap initialized */
- if (!tap->dap) {
- tap->dap = dap_init();
-
- /* Leave (only) generic DAP stuff for debugport_init() */
- tap->dap->tap = tap;
- }
-
/* default reset mode is to use srst if fitted
* if not it will use CORTEX_M3_RESET_VECTRESET */
cortex_m->soft_reset_config = CORTEX_M_RESET_VECTRESET;
- armv7m->arm.dap = tap->dap;
+ armv7m->arm.dap = dap;
/* register arch-specific functions */
armv7m->examine_debug_reason = cortex_m_examine_debug_reason;
static int cortex_m_target_create(struct target *target, Jim_Interp *interp)
{
struct cortex_m_common *cortex_m = calloc(1, sizeof(struct cortex_m_common));
-
cortex_m->common_magic = CORTEX_M_COMMON_MAGIC;
- cortex_m_init_arch_info(target, cortex_m, target->tap);
-
- if (target->private_config != NULL) {
- struct adiv5_private_config *pc =
- (struct adiv5_private_config *)target->private_config;
- cortex_m->apsel = pc->ap_num;
- } else
- cortex_m->apsel = -1;
+ struct adiv5_private_config *pc;
+
+ pc = (struct adiv5_private_config *)target->private_config;
+ if (adiv5_verify_config(pc) != ERROR_OK)
+ return ERROR_FAIL;
+
+ cortex_m->apsel = pc->ap_num;
+
+ cortex_m_init_arch_info(target, cortex_m, pc->dap);
return ERROR_OK;
}