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author | Louis Yung-Chieh Lo <yjlou@chromium.org> | 2011-12-07 18:57:21 +0000 |
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committer | Vincent Palatin <vpalatin@chromium.org> | 2011-12-07 19:10:02 +0000 |
commit | 6396911897e4cd40f52636d710cee2865acf15e3 (patch) | |
tree | a7aa03f7716bd30edaf820afad3a1e36f79c426a /common/memory_commands.c | |
parent | bdf7da5b082f6d18dd27f1e5d8cca0b12154a28c (diff) | |
download | chrome-ec-6396911897e4cd40f52636d710cee2865acf15e3.tar.gz |
Initial sources import 2/3
source files mainly done by Louis.
Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Change-Id: I93fa38126e208cf3e525828b37bb407099686c6e
Diffstat (limited to 'common/memory_commands.c')
-rw-r--r-- | common/memory_commands.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/common/memory_commands.c b/common/memory_commands.c new file mode 100644 index 0000000000..e54d567080 --- /dev/null +++ b/common/memory_commands.c @@ -0,0 +1,70 @@ +/* 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); +} |