0b5678f21f
Fix the following errors and warnings detected by checkpatch.pl:
ERROR: do not use assignment in if condition
ERROR: trailing statements should be on next line
ERROR: Macros with complex values should be enclosed in parentheses
ERROR: switch and case should be at the same indent
WARNING: char * array declaration might be better as static const
WARNING: else is not generally useful after a break or return
WARNING: storage class should be at the beginning of the declaration
WARNING: void function return statements are not generally useful
WARNING: break is not useful after a goto or return
WARNING: Single statement macros should not use a do {} while (0) loop
WARNING: sizeof *t should be sizeof(*t)
WARNING: Comparisons should place the constant on the right side of the test
TEST=Build and run on Galileo Gen2
Change-Id: I39d49790c5eaeedec5051e1fab0b1279275f6e7f
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18865
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2015 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <boot_device.h>
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#include <cbfs.h>
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#include <endian.h>
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#include <stdlib.h>
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/* The ROM is memory mapped just below 4GiB. Form a pointer for the base. */
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#define rom_base ((void *)(uintptr_t)(0x100000000ULL-CONFIG_ROM_SIZE))
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static const struct mem_region_device boot_dev =
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MEM_REGION_DEV_RO_INIT(rom_base, CONFIG_ROM_SIZE);
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const struct region_device *boot_device_ro(void)
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{
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return &boot_dev.rdev;
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}
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static int cbfs_master_header_props(struct cbfs_props *props)
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{
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struct cbfs_header header;
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int32_t offset;
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const struct region_device *bdev;
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bdev = boot_device_ro();
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rdev_readat(bdev, &offset, CONFIG_ROM_SIZE - sizeof(offset),
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sizeof(offset));
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/* The offset is relative to the end of the media. */
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offset += CONFIG_ROM_SIZE;
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rdev_readat(bdev, &header, offset, sizeof(header));
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header.magic = ntohl(header.magic);
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header.romsize = ntohl(header.romsize);
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header.bootblocksize = ntohl(header.bootblocksize);
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header.offset = ntohl(header.offset);
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if (header.magic != CBFS_HEADER_MAGIC)
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return -1;
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props->offset = header.offset;
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if (header.romsize != CONFIG_ROM_SIZE)
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props->size = CONFIG_ROM_SIZE;
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else
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props->size = header.romsize;
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props->size -= props->offset;
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props->size -= header.bootblocksize;
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props->size = ALIGN_DOWN(props->size, 64);
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return 0;
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}
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const struct cbfs_locator cbfs_master_header_locator = {
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.name = "Master Header Locator",
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.locate = cbfs_master_header_props,
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};
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