return ERROR_OK;
}
+/*
+ * REVISIT: The "read_cp15" and "write_cp15" commands could hook up
+ * to eventual mrc() and mcr() routines ... the reg_addr values being
+ * constructed (for CP15 only) from Opcode_1, Opcode_2, and CRn values.
+ * See section 7.3 of the ARM966E-S TRM.
+ */
+
static int arm966e_read_cp15(struct target *target, int reg_addr, uint32_t *value)
{
int retval = ERROR_OK;
uint8_t nr_w_buf = 0;
jtag_set_end_state(TAP_IDLE);
- if ((retval = arm_jtag_scann(jtag_info, 0xf)) != ERROR_OK)
+ if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
{
return retval;
}
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
+ arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
- fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
+ /* REVISIT: table 7-2 shows that bits 31-31 need to be
+ * specified for accessing BIST registers ...
+ */
fields[0].out_value = NULL;
fields[0].in_value = NULL;
- fields[1].tap = jtag_info->tap;
fields[1].num_bits = 6;
fields[1].out_value = ®_addr_buf;
fields[1].in_value = NULL;
- fields[2].tap = jtag_info->tap;
fields[2].num_bits = 1;
fields[2].out_value = &nr_w_buf;
fields[2].in_value = NULL;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
fields[1].in_value = (uint8_t *)value;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
jtag_add_callback(arm_le_to_h_u32, (jtag_callback_data_t)value);
buf_set_u32(value_buf, 0, 32, value);
jtag_set_end_state(TAP_IDLE);
- if ((retval = arm_jtag_scann(jtag_info, 0xf)) != ERROR_OK)
+ if ((retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE)) != ERROR_OK)
{
return retval;
}
- arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
+ arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
- fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = value_buf;
fields[0].in_value = NULL;
- fields[1].tap = jtag_info->tap;
fields[1].num_bits = 6;
fields[1].out_value = ®_addr_buf;
fields[1].in_value = NULL;
- fields[2].tap = jtag_info->tap;
fields[2].num_bits = 1;
fields[2].out_value = &nr_w_buf;
fields[2].in_value = NULL;
- jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
LOG_DEBUG("addr: 0x%x value: %8.8x", reg_addr, value);
.name = "cp15",
.handler = arm966e_handle_cp15_command,
.mode = COMMAND_EXEC,
- .usage = "<opcode> [value]",
+ .usage = "regnum [value]",
.help = "display/modify cp15 register",
},
COMMAND_REGISTRATION_DONE
.name = "arm966e",
.poll = arm7_9_poll,
- .arch_state = armv4_5_arch_state,
+ .arch_state = arm_arch_state,
.target_request_data = arm7_9_target_request_data,
.deassert_reset = arm7_9_deassert_reset,
.soft_reset_halt = arm7_9_soft_reset_halt,
- .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
+ .get_gdb_reg_list = arm_get_gdb_reg_list,
.read_memory = arm7_9_read_memory,
.write_memory = arm7_9_write_memory,
.target_create = arm966e_target_create,
.init_target = arm9tdmi_init_target,
.examine = arm7_9_examine,
+ .check_reset = arm7_9_check_reset,
};