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5007bbc009
Perviously we use uint32_t for this, but this doesn't compile for 64-bit environment (and likely doesn't for 16-bit either.) Use uintptr_t so that we don't get size mismatch errors. BUG=chrome-os-partner:19257 TEST=Run host emulated tests BRANCH=None Change-Id: I3cd66a745fa171c41a5f142514284ec106586acb Signed-off-by: Vic Yang <victoryang@chromium.org> Reviewed-on: https://gerrit.chromium.org/gerrit/50358 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
63 lines
1.3 KiB
C
63 lines
1.3 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 *)(uintptr_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 *)(uintptr_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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