int arm966e_read_cp15(target_t *target, int reg_addr, u32 *value)
{
+ int retval = ERROR_OK;
armv4_5_common_t *armv4_5 = target->arch_info;
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
u8 nr_w_buf = 0;
jtag_add_end_state(TAP_RTI);
- arm_jtag_scann(jtag_info, 0xf);
+ if((retval = arm_jtag_scann(jtag_info, 0xf)) != ERROR_OK)
+ {
+ return retval;
+ }
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
fields[0].device = jtag_info->chain_pos;
jtag_add_dr_scan(3, fields, -1);
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
- jtag_execute_queue();
+ if((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ return retval;
+ }
LOG_DEBUG("addr: 0x%x value: %8.8x", reg_addr, *value);
#endif
int arm966e_write_cp15(target_t *target, int reg_addr, u32 value)
{
+ int retval = ERROR_OK;
armv4_5_common_t *armv4_5 = target->arch_info;
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
buf_set_u32(value_buf, 0, 32, value);
jtag_add_end_state(TAP_RTI);
- arm_jtag_scann(jtag_info, 0xf);
+ if((retval = arm_jtag_scann(jtag_info, 0xf)) != ERROR_OK)
+ {
+ return retval;
+ }
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
fields[0].device = jtag_info->chain_pos;
command_print(cmd_ctx, "couldn't access reg %i", address);
return ERROR_OK;
}
- jtag_execute_queue();
+ if((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ return retval;
+ }
command_print(cmd_ctx, "%i: %8.8x", address, value);
}
arm966e_cmd = register_command(cmd_ctx, NULL, "arm966e", NULL, COMMAND_ANY, "arm966e specific commands");
register_command(cmd_ctx, arm966e_cmd, "cp15", arm966e_handle_cp15_command, COMMAND_EXEC, "display/modify cp15 register <num> [value]");
- return ERROR_OK;
+ return retval;
}