/* This XScale "debug handler" is loaded into the processor's
* mini-ICache, which is 2K of code writable only via JTAG.
- *
- * FIXME the OpenOCD "bin2char" utility currently doesn't handle
- * binary files cleanly. It's string oriented, and terminates them
- * with a NUL character. Better would be to generate the constants
- * and let other code decide names, scoping, and other housekeeping.
*/
-static /* unsigned const char xscale_debug_handler[] = ... */
-#include "xscale_debug.h"
+static const uint8_t xscale_debug_handler[] = {
+#include "xscale_debug.inc"
+};
-static char *const xscale_reg_list[] = {
+static const char *const xscale_reg_list[] = {
"XSCALE_MAINID", /* 0 */
"XSCALE_CACHETYPE",
"XSCALE_CTRL",
static int xscale_send(struct target *target, const uint8_t *buffer, int count, int size)
{
struct xscale_common *xscale = target_to_xscale(target);
- uint32_t t[3];
- int bits[3];
int retval;
int done_count = 0;
XSCALE_DBGRX << xscale->xscale_variant,
TAP_IDLE);
- bits[0] = 3;
- t[0] = 0;
- bits[1] = 32;
- t[2] = 1;
- bits[2] = 1;
+ static const uint8_t t0;
+ uint8_t t1[4];
+ static const uint8_t t2 = 1;
+ struct scan_field fields[3] = {
+ { .num_bits = 3, .out_value = &t0 },
+ { .num_bits = 32, .out_value = t1 },
+ { .num_bits = 1, .out_value = &t2 },
+ };
+
int endianness = target->endianness;
while (done_count++ < count) {
+ uint32_t t;
+
switch (size) {
case 4:
if (endianness == TARGET_LITTLE_ENDIAN)
- t[1] = le_to_h_u32(buffer);
+ t = le_to_h_u32(buffer);
else
- t[1] = be_to_h_u32(buffer);
+ t = be_to_h_u32(buffer);
break;
case 2:
if (endianness == TARGET_LITTLE_ENDIAN)
- t[1] = le_to_h_u16(buffer);
+ t = le_to_h_u16(buffer);
else
- t[1] = be_to_h_u16(buffer);
+ t = be_to_h_u16(buffer);
break;
case 1:
- t[1] = buffer[0];
+ t = buffer[0];
break;
default:
LOG_ERROR("BUG: size neither 4, 2 nor 1");
return ERROR_COMMAND_SYNTAX_ERROR;
}
- jtag_add_dr_out(target->tap,
+
+ buf_set_u32(t1, 0, 32, t);
+
+ jtag_add_dr_scan(target->tap,
3,
- bits,
- t,
+ fields,
TAP_IDLE);
buffer += size;
}
* coprocessors, trace data, etc.
*/
address = xscale->handler_address;
- for (unsigned binary_size = sizeof xscale_debug_handler - 1;
+ for (unsigned binary_size = sizeof xscale_debug_handler;
binary_size > 0;
binary_size -= buf_cnt, buffer += buf_cnt) {
uint32_t cache_line[8];
/* receive data from target (count times 32-bit words in host endianness) */
buf32 = malloc(4 * count);
retval = xscale_receive(target, buf32, count);
- if (retval != ERROR_OK)
+ if (retval != ERROR_OK) {
+ free(buf32);
return retval;
+ }
/* extract data from host-endian buffer into byte stream */
for (i = 0; i < count; i++) {
}
static int xscale_init_arch_info(struct target *target,
- struct xscale_common *xscale, struct jtag_tap *tap, const char *variant)
+ struct xscale_common *xscale, struct jtag_tap *tap)
{
struct arm *arm;
uint32_t high_reset_branch, low_reset_branch;
/* store architecture specfic data */
xscale->common_magic = XSCALE_COMMON_MAGIC;
- /* we don't really *need* a variant param ... */
- if (variant) {
- int ir_length = 0;
-
- if (strcmp(variant, "pxa250") == 0
- || strcmp(variant, "pxa255") == 0
- || strcmp(variant, "pxa26x") == 0)
- ir_length = 5;
- else if (strcmp(variant, "pxa27x") == 0
- || strcmp(variant, "ixp42x") == 0
- || strcmp(variant, "ixp45x") == 0
- || strcmp(variant, "ixp46x") == 0)
- ir_length = 7;
- else if (strcmp(variant, "pxa3xx") == 0)
- ir_length = 11;
- else
- LOG_WARNING("%s: unrecognized variant %s",
- tap->dotted_name, variant);
-
- if (ir_length && ir_length != tap->ir_length) {
- LOG_WARNING("%s: IR length for %s is %d; fixing",
- tap->dotted_name, variant, ir_length);
- tap->ir_length = ir_length;
- }
- }
-
- /* PXA3xx shifts the JTAG instructions */
+ /* PXA3xx with 11 bit IR shifts the JTAG instructions */
if (tap->ir_length == 11)
xscale->xscale_variant = XSCALE_PXA3XX;
else
{
struct xscale_common *xscale;
- if (sizeof xscale_debug_handler - 1 > 0x800) {
+ if (sizeof xscale_debug_handler > 0x800) {
LOG_ERROR("debug_handler.bin: larger than 2kb");
return ERROR_FAIL;
}
if (!xscale)
return ERROR_FAIL;
- return xscale_init_arch_info(target, xscale, target->tap,
- target->variant);
+ return xscale_init_arch_info(target, xscale, target->tap);
}
COMMAND_HANDLER(xscale_handle_debug_handler_command)
if (xscale->trace.mode != XSCALE_TRACE_DISABLED) {
char fill_string[12];
- sprintf(fill_string, "fill %" PRId32, xscale->trace.buffer_fill);
+ sprintf(fill_string, "fill %d", xscale->trace.buffer_fill);
command_print(CMD_CTX, "trace buffer enabled (%s)",
(xscale->trace.mode == XSCALE_TRACE_FILL)
? fill_string : "wrap");
.poll = xscale_poll,
.arch_state = xscale_arch_state,
- .target_request_data = NULL,
-
.halt = xscale_halt,
.resume = xscale_resume,
.step = xscale_step,
projects / fw / openocd / blobdiff