Patrick Georgi | 6de1ee4a | 2011-07-21 15:43:14 +0200 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the libpayload project. |
| 3 | * |
| 4 | * Copyright (C) 2011 secunet Security Networks AG |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 27 | * SUCH DAMAGE. |
| 28 | */ |
| 29 | |
| 30 | #include <arch/endian.h> |
| 31 | #include <stdio.h> |
| 32 | #include <string.h> |
| 33 | #include <cbfs.h> |
| 34 | |
| 35 | #ifdef CONFIG_LZMA |
| 36 | #define CBFS_CORE_WITH_LZMA |
| 37 | #include <lzma.h> |
| 38 | #endif |
| 39 | |
| 40 | #define ERROR(x...) printf(x) |
| 41 | #define LOG(x...) |
| 42 | |
Patrick Georgi | 409d17d | 2012-01-17 15:52:05 +0100 | [diff] [blame] | 43 | static uint32_t host_virt_to_phys(void *addr); |
| 44 | static void *host_phys_to_virt(uint32_t addr); |
Patrick Georgi | 6de1ee4a | 2011-07-21 15:43:14 +0200 | [diff] [blame] | 45 | |
| 46 | uint32_t romstart(void); |
| 47 | uint32_t romend(void); |
| 48 | |
| 49 | #include <arch/virtual.h> |
Patrick Georgi | 409d17d | 2012-01-17 15:52:05 +0100 | [diff] [blame] | 50 | static uint32_t host_virt_to_phys(void *addr) { |
Patrick Georgi | 6de1ee4a | 2011-07-21 15:43:14 +0200 | [diff] [blame] | 51 | return virt_to_phys(addr); |
| 52 | } |
| 53 | |
Patrick Georgi | 409d17d | 2012-01-17 15:52:05 +0100 | [diff] [blame] | 54 | static void *host_phys_to_virt(uint32_t addr) { |
Patrick Georgi | 6de1ee4a | 2011-07-21 15:43:14 +0200 | [diff] [blame] | 55 | return phys_to_virt(addr); |
| 56 | } |
| 57 | #undef virt_to_phys |
| 58 | #undef phys_to_virt |
| 59 | |
| 60 | uint32_t (*virt_to_phys)(void *) = host_virt_to_phys; |
| 61 | void* (*phys_to_virt)(uint32_t) = host_phys_to_virt; |
| 62 | |
| 63 | |
| 64 | uint32_t _romstart = 0xffffffff; |
| 65 | uint32_t _romend = 0; |
| 66 | |
| 67 | uint32_t romstart(void) |
| 68 | { |
| 69 | return _romstart; |
| 70 | } |
| 71 | |
| 72 | uint32_t romend(void) |
| 73 | { |
| 74 | return _romend; |
| 75 | } |
| 76 | |
| 77 | #include "cbfs_core.c" |
| 78 | |
Patrick Georgi | 409d17d | 2012-01-17 15:52:05 +0100 | [diff] [blame] | 79 | static uint32_t ram_cbfs_offset; |
| 80 | |
| 81 | static uint32_t ram_virt_to_phys(void *addr) { |
| 82 | return (uint32_t)addr - ram_cbfs_offset; |
| 83 | } |
| 84 | |
| 85 | static void *ram_phys_to_virt(uint32_t addr) { |
| 86 | return (void*)addr + ram_cbfs_offset; |
| 87 | } |
| 88 | |
| 89 | void setup_cbfs_from_ram(void* start, uint32_t size) |
| 90 | { |
| 91 | /* assumes rollover */ |
| 92 | ram_cbfs_offset = (uint32_t)start + size; |
| 93 | virt_to_phys = ram_virt_to_phys; |
| 94 | phys_to_virt = ram_phys_to_virt; |
| 95 | } |
| 96 | |
| 97 | void setup_cbfs_from_flash() |
| 98 | { |
| 99 | virt_to_phys = host_virt_to_phys; |
| 100 | phys_to_virt = host_phys_to_virt; |
| 101 | } |