Files
OpenCellular/common/memory_commands.c
Louis Yung-Chieh Lo 6396911897 Initial sources import 2/3
source files mainly done by Louis.

Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>

Change-Id: I93fa38126e208cf3e525828b37bb407099686c6e
2011-12-07 19:10:02 +00:00

71 lines
1.5 KiB
C

/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* System module for Chrome EC */
#include "console.h"
#include "registers.h"
#include "uart.h"
#include "util.h"
#include "version.h"
static int command_write_word(int argc, char **argv)
{
volatile uint32_t *address;
uint32_t value;
if (argc != 3) {
uart_puts("Usage: ww <address> <value>\n");
return EC_ERROR_UNKNOWN;
}
address = (uint32_t*)strtoi(argv[1], NULL, 0);
value = strtoi(argv[2], NULL, 0);
uart_printf("write word 0x%p = 0x%08x\n", address, value);
uart_flush_output();
*address = value;
return EC_SUCCESS;
}
static int command_read_word(int argc, char **argv)
{
volatile uint32_t *address;
uint32_t value;
if (argc != 2) {
uart_puts("Usage: rw <address>\n");
return EC_ERROR_UNKNOWN;
}
address = (uint32_t*)strtoi(argv[1], NULL, 0);
value = *address;
uart_printf("read word 0x%p = 0x%08x\n", address, value);
uart_flush_output();
return EC_SUCCESS;
}
static const struct console_command console_commands[] = {
{"rw", command_read_word},
{"ww", command_write_word},
{"readword", command_read_word},
{"writeword", command_write_word},
};
static const struct console_group command_group = {
"Memory", console_commands, ARRAY_SIZE(console_commands)
};
int memory_commands_init(void)
{
/* Register our internal commands */
return console_register_commands(&command_group);
}