#define ANY_ID 0x1000
-static const struct {
+static const struct dap_part_nums {
uint16_t designer_id;
uint16_t part_num;
const char *type;
const char *full;
-} dap_partnums[] = {
+} dap_part_nums[] = {
{ ARM_ID, 0x000, "Cortex-M3 SCS", "(System Control Space)", },
{ ARM_ID, 0x001, "Cortex-M3 ITM", "(Instrumentation Trace Module)", },
{ ARM_ID, 0x002, "Cortex-M3 DWT", "(Data Watchpoint and Trace)", },
{ ANY_ID, 0x343, "TI DAPCTL", "", }, /* from OMAP3 memmap */
};
+static const struct dap_part_nums *pidr_to_part_num(unsigned int designer_id, unsigned int part_num)
+{
+ static const struct dap_part_nums unknown = {
+ .type = "Unrecognized",
+ .full = "",
+ };
+
+ for (unsigned int i = 0; i < ARRAY_SIZE(dap_part_nums); i++) {
+ if (dap_part_nums[i].designer_id != designer_id && dap_part_nums[i].designer_id != ANY_ID)
+ continue;
+ if (dap_part_nums[i].part_num == part_num)
+ return &dap_part_nums[i];
+ }
+ return &unknown;
+}
+
static int dap_devtype_display(struct command_invocation *cmd, uint32_t devtype)
{
const char *major = "Reserved", *subtype = "Reserved";
command_print(cmd, "\t\tPeripheral ID 0x%010" PRIx64, pid);
- uint8_t class = (cid & ARM_CS_CIDR_CLASS_MASK) >> ARM_CS_CIDR_CLASS_SHIFT;
- uint16_t part_num = ARM_CS_PIDR_PART(pid);
- uint16_t designer_id = ARM_CS_PIDR_DESIGNER(pid);
+ const unsigned int class = (cid & ARM_CS_CIDR_CLASS_MASK) >> ARM_CS_CIDR_CLASS_SHIFT;
+ const unsigned int part_num = ARM_CS_PIDR_PART(pid);
+ unsigned int designer_id = ARM_CS_PIDR_DESIGNER(pid);
if (pid & ARM_CS_PIDR_JEDEC) {
/* JEP106 code */
- command_print(cmd, "\t\tDesigner is 0x%03" PRIx16 ", %s",
+ command_print(cmd, "\t\tDesigner is 0x%03x, %s",
designer_id, jep106_manufacturer(designer_id));
} else {
/* Legacy ASCII ID, clear invalid bits */
designer_id &= 0x7f;
- command_print(cmd, "\t\tDesigner ASCII code 0x%02" PRIx16 ", %s",
+ command_print(cmd, "\t\tDesigner ASCII code 0x%02x, %s",
designer_id, designer_id == 0x41 ? "ARM" : "<unknown>");
}
- /* default values to be overwritten upon finding a match */
- const char *type = "Unrecognized";
- const char *full = "";
-
- /* search dap_partnums[] array for a match */
- for (unsigned entry = 0; entry < ARRAY_SIZE(dap_partnums); entry++) {
-
- if ((dap_partnums[entry].designer_id != designer_id) && (dap_partnums[entry].designer_id != ANY_ID))
- continue;
-
- if (dap_partnums[entry].part_num != part_num)
- continue;
-
- type = dap_partnums[entry].type;
- full = dap_partnums[entry].full;
- break;
- }
-
- command_print(cmd, "\t\tPart is 0x%" PRIx16", %s %s", part_num, type, full);
- command_print(cmd, "\t\tComponent class is 0x%" PRIx8 ", %s", class, class_description[class]);
+ const struct dap_part_nums *partnum = pidr_to_part_num(designer_id, part_num);
+ command_print(cmd, "\t\tPart is 0x%03x, %s %s", part_num, partnum->type, partnum->full);
+ command_print(cmd, "\t\tComponent class is 0x%x, %s", class, class_description[class]);
if (class == ARM_CS_CLASS_0X1_ROM_TABLE) {
uint32_t memtype;