409d17dee7
Two new functions allow switching the CBFS functions from using RAM or ROM, with ROM as default. Change-Id: I04d67ad622d25c5728ae9a63f5b8a3dc9bbacce6 Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com> Reviewed-on: http://review.coreboot.org/550 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/*
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* This file is part of the libpayload project.
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*
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* Copyright (C) 2011 secunet Security Networks AG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <arch/endian.h>
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#include <stdio.h>
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#include <string.h>
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#include <cbfs.h>
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#ifdef CONFIG_LZMA
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#define CBFS_CORE_WITH_LZMA
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#include <lzma.h>
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#endif
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#define ERROR(x...) printf(x)
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#define LOG(x...)
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static uint32_t host_virt_to_phys(void *addr);
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static void *host_phys_to_virt(uint32_t addr);
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uint32_t romstart(void);
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uint32_t romend(void);
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#include <arch/virtual.h>
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static uint32_t host_virt_to_phys(void *addr) {
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return virt_to_phys(addr);
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}
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static void *host_phys_to_virt(uint32_t addr) {
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return phys_to_virt(addr);
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}
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#undef virt_to_phys
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#undef phys_to_virt
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uint32_t (*virt_to_phys)(void *) = host_virt_to_phys;
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void* (*phys_to_virt)(uint32_t) = host_phys_to_virt;
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uint32_t _romstart = 0xffffffff;
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uint32_t _romend = 0;
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uint32_t romstart(void)
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{
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return _romstart;
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}
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uint32_t romend(void)
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{
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return _romend;
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}
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#include "cbfs_core.c"
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static uint32_t ram_cbfs_offset;
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static uint32_t ram_virt_to_phys(void *addr) {
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return (uint32_t)addr - ram_cbfs_offset;
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}
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static void *ram_phys_to_virt(uint32_t addr) {
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return (void*)addr + ram_cbfs_offset;
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}
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void setup_cbfs_from_ram(void* start, uint32_t size)
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{
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/* assumes rollover */
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ram_cbfs_offset = (uint32_t)start + size;
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virt_to_phys = ram_virt_to_phys;
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phys_to_virt = ram_phys_to_virt;
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}
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void setup_cbfs_from_flash()
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{
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virt_to_phys = host_virt_to_phys;
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phys_to_virt = host_phys_to_virt;
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}
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