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https://github.com/Telecominfraproject/OpenCellular.git
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e704c712ad
Additional help messages and usage are gated by CONFIG_CONSOLE_CMDHELP, so we can turn it on if there's space (adds about 3KB to image size) and turn it off when there isn't. Signed-off-by: Randall Spangler <rspangler@chromium.org> BUG=none TEST=manual 1) help 2) help list 3) help gpioset 4) gpioset -> wrong number of params 5) gpioset fred 0 -> param1 bad 6) gpioset cpu_prochot fred -> param2 bad Change-Id: Ibe99f37212020f763ebe65a068e6aa83a809a370
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* System module for Chrome EC */
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#include "console.h"
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#include "util.h"
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static int command_write_word(int argc, char **argv)
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{
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volatile uint32_t *address;
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uint32_t value;
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char *e;
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if (argc != 3)
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return EC_ERROR_PARAM_COUNT;
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address = (uint32_t *)strtoi(argv[1], &e, 0);
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if (*e)
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return EC_ERROR_PARAM1;
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value = strtoi(argv[2], &e, 0);
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if (*e)
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return EC_ERROR_PARAM2;
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ccprintf("write 0x%p = 0x%08x\n", address, value);
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cflush(); /* Flush before writing in case this crashes */
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*address = value;
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return EC_SUCCESS;
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}
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DECLARE_CONSOLE_COMMAND(ww, command_write_word,
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"addr value",
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"Write a word to memory",
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NULL);
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static int command_read_word(int argc, char **argv)
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{
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volatile uint32_t *address;
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uint32_t value;
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char *e;
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if (argc != 2)
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return EC_ERROR_PARAM_COUNT;
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address = (uint32_t *)strtoi(argv[1], &e, 0);
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if (*e)
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return EC_ERROR_PARAM1;
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value = *address;
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ccprintf("read 0x%p = 0x%08x\n", address, value);
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return EC_SUCCESS;
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}
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DECLARE_CONSOLE_COMMAND(rw, command_read_word,
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"addr",
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"Read a word from memory",
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NULL);
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