a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
143 lines
2.7 KiB
C
143 lines
2.7 KiB
C
/*
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* This file is part of the bayou project.
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*
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* Copyright (C) 2008 Advanced Micro Devices, 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 version 2 as
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* published by the Free Software Foundation.
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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 "bayou.h"
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#include "self.h"
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static int nop_decompress(void *dst, void *src, int len)
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{
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memcpy(dst, src, len);
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return len;
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}
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#ifdef CONFIG_LZMA
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extern int ulzma(u8 *, u8 *);
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static int lzma_decompress(void *dst, void *src, int len)
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{
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return ulzma((u8 *) src, (u8 *) dst);
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}
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#endif
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#ifdef CONFIG_NRV2B
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extern int unrv2b(u8 *, u8 *, unsigned long *);
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static int nrv2b_decompress(void *dst, void *src, int len)
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{
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unsigned long l = (u32) len;
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return unrv2b(src, dst, &l);
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}
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#endif
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static int zeros_decompress(void *dst, void *src, int len)
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{
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memset(dst, 0, len);
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return len;
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}
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int self_get_params(u8 *fptr, u8 **params)
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{
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struct self_segment *seg = (struct self_segment *)fptr;
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while (seg->type != SELF_TYPE_ENTRY) {
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if (seg->type == 0)
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return -1;
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if (seg->type == SELF_TYPE_PARAMS) {
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*params = (u8 *) (fptr + seg->offset);
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return seg->len;
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}
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seg++;
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}
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*params = NULL;
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return 0;
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}
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int verify_self(u8 *ptr)
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{
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struct self_segment *seg = (struct self_segment *)ptr;
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switch (seg->type) {
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case SELF_TYPE_CODE:
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case SELF_TYPE_DATA:
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case SELF_TYPE_BSS:
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case SELF_TYPE_PARAMS:
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case SELF_TYPE_ENTRY:
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return 1;
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}
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return 0;
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}
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int self_load_and_run(struct payload *p, int *ret)
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{
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struct self_segment *seg = (struct self_segment *)p->fptr;
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int (*dcmp) (void *, void *, int);
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int dlen;
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switch (p->stat.compression) {
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#ifdef CONFIG_LZMA
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case ALGO_LZMA:
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dcmp = lzma_decompress;
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break;
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#endif
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#ifdef CONFIG_NRV2B
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case ALGO_NRV2B:
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dcmp = nrv2b_decompress;
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break;
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#endif
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case ALGO_ZEROES:
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dcmp = zeros_decompress;
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break;
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case ALGO_NONE:
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dcmp = nop_decompress;
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default:
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printf("E: Unsupported decompression type\n");
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return -1;
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}
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while (1) {
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u32 laddr = (u32) (seg->load_addr & 0xFFFFFFFF);
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switch (seg->type) {
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case SELF_TYPE_CODE:
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case SELF_TYPE_DATA:
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dlen = dcmp((void *)laddr,
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(void *)p->fptr + seg->offset, seg->len);
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if (dlen < seg->mem_len) {
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memset((void *)(laddr + dlen), 0,
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seg->mem_len - dlen);
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}
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break;
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case SELF_TYPE_BSS:
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memset((void *)laddr, 0, seg->len);
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break;
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case SELF_TYPE_ENTRY:
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*ret = exec(laddr, 0, NULL);
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return 0;
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default:
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break;
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}
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seg++;
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}
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return -1;
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}
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