fields[1].in_check_value = NULL;
fields[1].in_check_mask = NULL;
-
-
fields[2].device = xscale->jtag_info.chain_pos;
fields[2].num_bits = 1;
fields[2].out_value = &field2;
jtag_add_dr_scan(3, fields, -1);
- return ERROR_OK;
+ /* DANGER!!! this must be here. It will make sure that the arguments
+ * to jtag_set_check_value() does not go out of scope! */
+ return jtag_execute_queue();
}
int xscale_receive(target_t *target, u32 *buffer, int num_words)
{
- int retval = ERROR_OK;
+ if (num_words==0)
+ return ERROR_INVALID_ARGUMENTS;
+
+ int retval=ERROR_OK;
armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info;
fields[0].num_bits = 3;
fields[0].out_value = NULL;
fields[0].out_mask = NULL;
- /* fields[0].in_value = field0; */
+ fields[0].in_value = NULL;
jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
fields[1].device = xscale->jtag_info.chain_pos;
jtag_add_runtest(1, -1);
/* repeat until all words have been collected */
- int attempts = 0;
+ int attempts=0;
while (words_done < num_words)
{
/* schedule reads */
words_scheduled--;
}
}
- if (words_scheduled == 0)
+ if (words_scheduled==0)
{
- if (attempts++ == 1000)
+ if (attempts++==1000)
{
ERROR("Failed to receiving data from debug handler after 1000 attempts");
- retval = ERROR_JTAG_QUEUE_FAILED;
+ retval=ERROR_JTAG_QUEUE_FAILED;
break;
}
}
noconsume_path[6] = TAP_SDS;
noconsume_path[7] = TAP_CD;
noconsume_path[8] = TAP_SD;
-
+
fields[0].device = xscale->jtag_info.chain_pos;
fields[0].num_bits = 3;
fields[0].out_value = NULL;
fields[0].out_value = &field0_out;
fields[0].out_mask = NULL;
fields[0].in_handler = NULL;
+ fields[0].in_value = NULL;
if (!xscale->fast_memory_access)
{
jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
{
jtag_set_check_value(fields+2, &field2_check_value, &field2_check_mask, NULL);
}
-
+
if (size==4)
{
int endianness = target->endianness;
{
while (done_count++ < count)
{
- /* extract sized element from target-endian buffer, and put it
- * into little-endian output buffer
- */
- switch (size)
- {
- case 2:
- buf_set_u32(output, 0, 32, target_buffer_get_u16(target, buffer));
- break;
- case 1:
- output[0] = *buffer;
- break;
- default:
- ERROR("BUG: size neither 4, 2 nor 1");
- exit(-1);
- }
-
- jtag_add_dr_scan(3, fields, TAP_RTI);
- buffer += size;
- }
+ /* extract sized element from target-endian buffer, and put it
+ * into little-endian output buffer
+ */
+ switch (size)
+ {
+ case 2:
+ buf_set_u32(output, 0, 32, target_buffer_get_u16(target, buffer));
+ break;
+ case 1:
+ output[0] = *buffer;
+ break;
+ default:
+ ERROR("BUG: size neither 4, 2 nor 1");
+ exit(-1);
+ }
+ jtag_add_dr_scan(3, fields, TAP_RTI);
+ buffer += size;
+ }
+
}
if ((retval = jtag_execute_queue()) != ERROR_OK)
/* here we "lie" so GDB won't get stuck and a reset can be perfomed */
target->state = TARGET_HALTED;
}
-
- /* debug_entry could have overwritten target state (i.e. immediate resume)
- * don't signal event handlers in that case
- */
+
+ /* debug_entry could have overwritten target state (i.e. immediate resume)
+ * don't signal event handlers in that case
+ */
if (target->state != TARGET_HALTED)
return ERROR_OK;
else
target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
}
+
return retval;
}
xscale_write_dcsr(target, 1, 0);
/* Load debug handler */
- if (fileio_open(&debug_handler, PKGLIBDIR "/xscale/debug_handler.bin", FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
+ if (fileio_open(&debug_handler, "xscale/debug_handler.bin", FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
{
- ERROR("file open error: %s", debug_handler.error_str);
return ERROR_OK;
}
if ((retval = fileio_read(&debug_handler, 32, buffer, &buf_cnt)) != ERROR_OK)
{
- ERROR("reading debug handler failed: %s", debug_handler.error_str);
+
}
for (i = 0; i < buf_cnt; i += 4)
{
armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info;
- u8 enable = 0;
+ u8 enable=0;
reg_t *dbcon = &xscale->reg_cache->reg_list[XSCALE_DBCON];
u32 dbcon_value = buf_get_u32(dbcon->value, 0, 32);
xscale->armv4_5_mmu.enable_mmu_caches = xscale_enable_mmu_caches;
xscale->armv4_5_mmu.has_tiny_pages = 1;
xscale->armv4_5_mmu.mmu_enabled = 0;
-
+
xscale->fast_memory_access = 0;
return ERROR_OK;
int chain_pos;
char *variant = NULL;
xscale_common_t *xscale = malloc(sizeof(xscale_common_t));
+ memset(xscale, 0, sizeof(*xscale));
if (argc < 5)
{
int domain;
u32 ap;
+
if ((retval = xscale_get_arch_pointers(target, &armv4_5, &xscale)) != ERROR_OK)
{
return retval;
{
return ret;
}
-
*physical = ret;
return ERROR_OK;
}
{
armv4_5_common_t *armv4_5 = target->arch_info;
xscale_common_t *xscale = armv4_5->arch_info;
-
+
if (target->state != TARGET_HALTED)
{
ERROR("Target not halted");
return ERROR_TARGET_INVALID;
}
-
*enabled = xscale->armv4_5_mmu.mmu_enabled;
return ERROR_OK;
}
+
int xscale_handle_mmu_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target = get_current_target(cmd_ctx);
if (image_open(xscale->trace.image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
{
- command_print(cmd_ctx, "image opening error: %s", xscale->trace.image->error_str);
free(xscale->trace.image);
xscale->trace.image = NULL;
return ERROR_OK;
if (fileio_open(&file, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
{
- command_print(cmd_ctx, "file open error: %s", file.error_str);
return ERROR_OK;
}
register_command(cmd_ctx, xscale_cmd, "cp15", xscale_handle_cp15, COMMAND_EXEC, "access coproc 15 <register> [value]");
register_command(cmd_ctx, xscale_cmd, "fast_memory_access", handle_xscale_fast_memory_access_command,
COMMAND_ANY, "use fast memory accesses instead of slower but potentially unsafe slow accesses <enable|disable>");
+
armv4_5_register_commands(cmd_ctx);
Code Review / openocd.git / blobdiff