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1 | 5fe141fd | bellard | /*
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2 | 5fe141fd | bellard | * QEMU Executable loader
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3 | 5fafdf24 | ths | *
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4 | 5fe141fd | bellard | * Copyright (c) 2006 Fabrice Bellard
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5 | 5fafdf24 | ths | *
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6 | 5fe141fd | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 5fe141fd | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 5fe141fd | bellard | * in the Software without restriction, including without limitation the rights
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9 | 5fe141fd | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 5fe141fd | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 5fe141fd | bellard | * furnished to do so, subject to the following conditions:
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12 | 5fe141fd | bellard | *
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13 | 5fe141fd | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 5fe141fd | bellard | * all copies or substantial portions of the Software.
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15 | 5fe141fd | bellard | *
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16 | 5fe141fd | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 5fe141fd | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 5fe141fd | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 5fe141fd | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 5fe141fd | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 5fe141fd | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 5fe141fd | bellard | * THE SOFTWARE.
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23 | 5a123577 | aliguori | *
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24 | 5a123577 | aliguori | * Gunzip functionality in this file is derived from u-boot:
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25 | 5a123577 | aliguori | *
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26 | 5a123577 | aliguori | * (C) Copyright 2008 Semihalf
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27 | 5a123577 | aliguori | *
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28 | 5a123577 | aliguori | * (C) Copyright 2000-2005
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29 | 5a123577 | aliguori | * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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30 | 5a123577 | aliguori | *
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31 | 5a123577 | aliguori | * This program is free software; you can redistribute it and/or
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32 | 5a123577 | aliguori | * modify it under the terms of the GNU General Public License as
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33 | 5a123577 | aliguori | * published by the Free Software Foundation; either version 2 of
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34 | 5a123577 | aliguori | * the License, or (at your option) any later version.
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35 | 5a123577 | aliguori | *
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36 | 5a123577 | aliguori | * This program is distributed in the hope that it will be useful,
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37 | 5a123577 | aliguori | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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38 | 5a123577 | aliguori | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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39 | 5a123577 | aliguori | * GNU General Public License for more details.
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40 | 5a123577 | aliguori | *
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41 | fad6cb1a | aurel32 | * You should have received a copy of the GNU General Public License along
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42 | 8167ee88 | Blue Swirl | * with this program; if not, see <http://www.gnu.org/licenses/>.
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43 | 5fe141fd | bellard | */
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44 | 5a123577 | aliguori | |
45 | ca20cf32 | Blue Swirl | #include "hw.h" |
46 | 5fe141fd | bellard | #include "disas.h" |
47 | 45a50b16 | Gerd Hoffmann | #include "monitor.h" |
48 | 9596ebb7 | pbrook | #include "sysemu.h" |
49 | 1c7b3754 | pbrook | #include "uboot_image.h" |
50 | ca20cf32 | Blue Swirl | #include "loader.h" |
51 | 379526a4 | Gerd Hoffmann | #include "fw_cfg.h" |
52 | 5fe141fd | bellard | |
53 | 5a123577 | aliguori | #include <zlib.h> |
54 | 5a123577 | aliguori | |
55 | 97fe84f5 | Paul Brook | static int roms_loaded; |
56 | 97fe84f5 | Paul Brook | |
57 | 5fe141fd | bellard | /* return the size or -1 if error */
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58 | 5fe141fd | bellard | int get_image_size(const char *filename) |
59 | 5fe141fd | bellard | { |
60 | 5fe141fd | bellard | int fd, size;
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61 | 5fe141fd | bellard | fd = open(filename, O_RDONLY | O_BINARY); |
62 | 5fe141fd | bellard | if (fd < 0) |
63 | 5fe141fd | bellard | return -1; |
64 | 5fe141fd | bellard | size = lseek(fd, 0, SEEK_END);
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65 | 5fe141fd | bellard | close(fd); |
66 | 5fe141fd | bellard | return size;
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67 | 5fe141fd | bellard | } |
68 | 5fe141fd | bellard | |
69 | 5fe141fd | bellard | /* return the size or -1 if error */
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70 | 293f78bc | blueswir1 | /* deprecated, because caller does not specify buffer size! */
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71 | 5fe141fd | bellard | int load_image(const char *filename, uint8_t *addr) |
72 | 5fe141fd | bellard | { |
73 | 5fe141fd | bellard | int fd, size;
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74 | 5fe141fd | bellard | fd = open(filename, O_RDONLY | O_BINARY); |
75 | 5fe141fd | bellard | if (fd < 0) |
76 | 5fe141fd | bellard | return -1; |
77 | 5fe141fd | bellard | size = lseek(fd, 0, SEEK_END);
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78 | 5fe141fd | bellard | lseek(fd, 0, SEEK_SET);
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79 | 5fe141fd | bellard | if (read(fd, addr, size) != size) {
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80 | 5fe141fd | bellard | close(fd); |
81 | 5fe141fd | bellard | return -1; |
82 | 5fe141fd | bellard | } |
83 | 5fe141fd | bellard | close(fd); |
84 | 5fe141fd | bellard | return size;
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85 | 5fe141fd | bellard | } |
86 | 5fe141fd | bellard | |
87 | 293f78bc | blueswir1 | /* read()-like version */
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88 | 45a50b16 | Gerd Hoffmann | int read_targphys(const char *name, |
89 | 45a50b16 | Gerd Hoffmann | int fd, target_phys_addr_t dst_addr, size_t nbytes)
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90 | 293f78bc | blueswir1 | { |
91 | 45a50b16 | Gerd Hoffmann | uint8_t *buf; |
92 | 45a50b16 | Gerd Hoffmann | size_t did; |
93 | 45a50b16 | Gerd Hoffmann | |
94 | 45a50b16 | Gerd Hoffmann | buf = qemu_malloc(nbytes); |
95 | 45a50b16 | Gerd Hoffmann | did = read(fd, buf, nbytes); |
96 | 45a50b16 | Gerd Hoffmann | if (did > 0) |
97 | 45a50b16 | Gerd Hoffmann | rom_add_blob_fixed("read", buf, did, dst_addr);
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98 | 45a50b16 | Gerd Hoffmann | qemu_free(buf); |
99 | 45a50b16 | Gerd Hoffmann | return did;
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100 | 293f78bc | blueswir1 | } |
101 | 293f78bc | blueswir1 | |
102 | 293f78bc | blueswir1 | /* return the size or -1 if error */
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103 | 293f78bc | blueswir1 | int load_image_targphys(const char *filename, |
104 | c227f099 | Anthony Liguori | target_phys_addr_t addr, int max_sz)
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105 | 293f78bc | blueswir1 | { |
106 | 45a50b16 | Gerd Hoffmann | int size;
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107 | 293f78bc | blueswir1 | |
108 | 45a50b16 | Gerd Hoffmann | size = get_image_size(filename); |
109 | 45a50b16 | Gerd Hoffmann | if (size > 0) |
110 | 45a50b16 | Gerd Hoffmann | rom_add_file_fixed(filename, addr); |
111 | 45a50b16 | Gerd Hoffmann | return size;
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112 | 293f78bc | blueswir1 | } |
113 | 293f78bc | blueswir1 | |
114 | 3c178e72 | Gerd Hoffmann | void pstrcpy_targphys(const char *name, target_phys_addr_t dest, int buf_size, |
115 | 293f78bc | blueswir1 | const char *source) |
116 | 293f78bc | blueswir1 | { |
117 | 293f78bc | blueswir1 | const char *nulp; |
118 | 3c178e72 | Gerd Hoffmann | char *ptr;
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119 | 293f78bc | blueswir1 | |
120 | 293f78bc | blueswir1 | if (buf_size <= 0) return; |
121 | 293f78bc | blueswir1 | nulp = memchr(source, 0, buf_size);
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122 | 293f78bc | blueswir1 | if (nulp) {
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123 | 3c178e72 | Gerd Hoffmann | rom_add_blob_fixed(name, source, (nulp - source) + 1, dest);
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124 | 293f78bc | blueswir1 | } else {
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125 | 3c178e72 | Gerd Hoffmann | rom_add_blob_fixed(name, source, buf_size, dest); |
126 | 3c178e72 | Gerd Hoffmann | ptr = rom_ptr(dest + buf_size - 1);
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127 | 3c178e72 | Gerd Hoffmann | *ptr = 0;
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128 | 293f78bc | blueswir1 | } |
129 | 293f78bc | blueswir1 | } |
130 | 293f78bc | blueswir1 | |
131 | 5fe141fd | bellard | /* A.OUT loader */
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132 | 5fe141fd | bellard | |
133 | 5fe141fd | bellard | struct exec
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134 | 5fe141fd | bellard | { |
135 | 5fe141fd | bellard | uint32_t a_info; /* Use macros N_MAGIC, etc for access */
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136 | 5fe141fd | bellard | uint32_t a_text; /* length of text, in bytes */
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137 | 5fe141fd | bellard | uint32_t a_data; /* length of data, in bytes */
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138 | 5fe141fd | bellard | uint32_t a_bss; /* length of uninitialized data area, in bytes */
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139 | 5fe141fd | bellard | uint32_t a_syms; /* length of symbol table data in file, in bytes */
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140 | 5fe141fd | bellard | uint32_t a_entry; /* start address */
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141 | 5fe141fd | bellard | uint32_t a_trsize; /* length of relocation info for text, in bytes */
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142 | 5fe141fd | bellard | uint32_t a_drsize; /* length of relocation info for data, in bytes */
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143 | 5fe141fd | bellard | }; |
144 | 5fe141fd | bellard | |
145 | 5fe141fd | bellard | static void bswap_ahdr(struct exec *e) |
146 | 5fe141fd | bellard | { |
147 | 5fe141fd | bellard | bswap32s(&e->a_info); |
148 | 5fe141fd | bellard | bswap32s(&e->a_text); |
149 | 5fe141fd | bellard | bswap32s(&e->a_data); |
150 | 5fe141fd | bellard | bswap32s(&e->a_bss); |
151 | 5fe141fd | bellard | bswap32s(&e->a_syms); |
152 | 5fe141fd | bellard | bswap32s(&e->a_entry); |
153 | 5fe141fd | bellard | bswap32s(&e->a_trsize); |
154 | 5fe141fd | bellard | bswap32s(&e->a_drsize); |
155 | 5fe141fd | bellard | } |
156 | 5fe141fd | bellard | |
157 | 5fe141fd | bellard | #define N_MAGIC(exec) ((exec).a_info & 0xffff) |
158 | 5fe141fd | bellard | #define OMAGIC 0407 |
159 | 5fe141fd | bellard | #define NMAGIC 0410 |
160 | 5fe141fd | bellard | #define ZMAGIC 0413 |
161 | 5fe141fd | bellard | #define QMAGIC 0314 |
162 | 5fe141fd | bellard | #define _N_HDROFF(x) (1024 - sizeof (struct exec)) |
163 | 5fe141fd | bellard | #define N_TXTOFF(x) \
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164 | 5fe141fd | bellard | (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ |
165 | 5fe141fd | bellard | (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) |
166 | ca20cf32 | Blue Swirl | #define N_TXTADDR(x, target_page_size) (N_MAGIC(x) == QMAGIC ? target_page_size : 0) |
167 | ca20cf32 | Blue Swirl | #define _N_SEGMENT_ROUND(x, target_page_size) (((x) + target_page_size - 1) & ~(target_page_size - 1)) |
168 | 5fe141fd | bellard | |
169 | ca20cf32 | Blue Swirl | #define _N_TXTENDADDR(x, target_page_size) (N_TXTADDR(x, target_page_size)+(x).a_text)
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170 | 5fe141fd | bellard | |
171 | ca20cf32 | Blue Swirl | #define N_DATADDR(x, target_page_size) \
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172 | ca20cf32 | Blue Swirl | (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x, target_page_size)) \ |
173 | ca20cf32 | Blue Swirl | : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x, target_page_size), target_page_size))) |
174 | 5fe141fd | bellard | |
175 | 5fe141fd | bellard | |
176 | c227f099 | Anthony Liguori | int load_aout(const char *filename, target_phys_addr_t addr, int max_sz, |
177 | c227f099 | Anthony Liguori | int bswap_needed, target_phys_addr_t target_page_size)
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178 | 5fe141fd | bellard | { |
179 | 5fe141fd | bellard | int fd, size, ret;
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180 | 5fe141fd | bellard | struct exec e;
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181 | 5fe141fd | bellard | uint32_t magic; |
182 | 5fe141fd | bellard | |
183 | 5fe141fd | bellard | fd = open(filename, O_RDONLY | O_BINARY); |
184 | 5fe141fd | bellard | if (fd < 0) |
185 | 5fe141fd | bellard | return -1; |
186 | 5fe141fd | bellard | |
187 | 5fe141fd | bellard | size = read(fd, &e, sizeof(e));
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188 | 5fe141fd | bellard | if (size < 0) |
189 | 5fe141fd | bellard | goto fail;
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190 | 5fe141fd | bellard | |
191 | ca20cf32 | Blue Swirl | if (bswap_needed) {
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192 | ca20cf32 | Blue Swirl | bswap_ahdr(&e); |
193 | ca20cf32 | Blue Swirl | } |
194 | 5fe141fd | bellard | |
195 | 5fe141fd | bellard | magic = N_MAGIC(e); |
196 | 5fe141fd | bellard | switch (magic) {
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197 | 5fe141fd | bellard | case ZMAGIC:
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198 | 5fe141fd | bellard | case QMAGIC:
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199 | 5fe141fd | bellard | case OMAGIC:
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200 | 293f78bc | blueswir1 | if (e.a_text + e.a_data > max_sz)
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201 | 293f78bc | blueswir1 | goto fail;
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202 | 5fe141fd | bellard | lseek(fd, N_TXTOFF(e), SEEK_SET); |
203 | 45a50b16 | Gerd Hoffmann | size = read_targphys(filename, fd, addr, e.a_text + e.a_data); |
204 | 5fe141fd | bellard | if (size < 0) |
205 | 5fe141fd | bellard | goto fail;
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206 | 5fe141fd | bellard | break;
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207 | 5fe141fd | bellard | case NMAGIC:
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208 | ca20cf32 | Blue Swirl | if (N_DATADDR(e, target_page_size) + e.a_data > max_sz)
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209 | 293f78bc | blueswir1 | goto fail;
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210 | 5fe141fd | bellard | lseek(fd, N_TXTOFF(e), SEEK_SET); |
211 | 45a50b16 | Gerd Hoffmann | size = read_targphys(filename, fd, addr, e.a_text); |
212 | 5fe141fd | bellard | if (size < 0) |
213 | 5fe141fd | bellard | goto fail;
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214 | 45a50b16 | Gerd Hoffmann | ret = read_targphys(filename, fd, addr + N_DATADDR(e, target_page_size), |
215 | ca20cf32 | Blue Swirl | e.a_data); |
216 | 5fe141fd | bellard | if (ret < 0) |
217 | 5fe141fd | bellard | goto fail;
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218 | 5fe141fd | bellard | size += ret; |
219 | 5fe141fd | bellard | break;
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220 | 5fe141fd | bellard | default:
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221 | 5fe141fd | bellard | goto fail;
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222 | 5fe141fd | bellard | } |
223 | 5fe141fd | bellard | close(fd); |
224 | 5fe141fd | bellard | return size;
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225 | 5fe141fd | bellard | fail:
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226 | 5fe141fd | bellard | close(fd); |
227 | 5fe141fd | bellard | return -1; |
228 | 5fe141fd | bellard | } |
229 | 5fe141fd | bellard | |
230 | 5fe141fd | bellard | /* ELF loader */
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231 | 5fe141fd | bellard | |
232 | 5fe141fd | bellard | static void *load_at(int fd, int offset, int size) |
233 | 5fe141fd | bellard | { |
234 | 5fe141fd | bellard | void *ptr;
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235 | 5fe141fd | bellard | if (lseek(fd, offset, SEEK_SET) < 0) |
236 | 5fe141fd | bellard | return NULL; |
237 | 5fe141fd | bellard | ptr = qemu_malloc(size); |
238 | 5fe141fd | bellard | if (read(fd, ptr, size) != size) {
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239 | 5fe141fd | bellard | qemu_free(ptr); |
240 | 5fe141fd | bellard | return NULL; |
241 | 5fe141fd | bellard | } |
242 | 5fe141fd | bellard | return ptr;
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243 | 5fe141fd | bellard | } |
244 | 5fe141fd | bellard | |
245 | 3efa9a67 | malc | #ifdef ELF_CLASS
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246 | 3efa9a67 | malc | #undef ELF_CLASS
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247 | 3efa9a67 | malc | #endif
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248 | 5fe141fd | bellard | |
249 | 5fe141fd | bellard | #define ELF_CLASS ELFCLASS32
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250 | 5fe141fd | bellard | #include "elf.h" |
251 | 5fe141fd | bellard | |
252 | 5fe141fd | bellard | #define SZ 32 |
253 | 5fe141fd | bellard | #define elf_word uint32_t
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254 | 82790064 | ths | #define elf_sword int32_t
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255 | 5fe141fd | bellard | #define bswapSZs bswap32s
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256 | 5fe141fd | bellard | #include "elf_ops.h" |
257 | 5fe141fd | bellard | |
258 | 5fe141fd | bellard | #undef elfhdr
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259 | 5fe141fd | bellard | #undef elf_phdr
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260 | 5fe141fd | bellard | #undef elf_shdr
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261 | 5fe141fd | bellard | #undef elf_sym
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262 | 5fe141fd | bellard | #undef elf_note
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263 | 5fe141fd | bellard | #undef elf_word
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264 | 82790064 | ths | #undef elf_sword
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265 | 5fe141fd | bellard | #undef bswapSZs
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266 | 5fe141fd | bellard | #undef SZ
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267 | 5fe141fd | bellard | #define elfhdr elf64_hdr
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268 | 5fe141fd | bellard | #define elf_phdr elf64_phdr
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269 | 5fe141fd | bellard | #define elf_note elf64_note
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270 | 5fe141fd | bellard | #define elf_shdr elf64_shdr
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271 | 5fe141fd | bellard | #define elf_sym elf64_sym
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272 | 5fe141fd | bellard | #define elf_word uint64_t
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273 | 82790064 | ths | #define elf_sword int64_t
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274 | 5fe141fd | bellard | #define bswapSZs bswap64s
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275 | 5fe141fd | bellard | #define SZ 64 |
276 | 5fe141fd | bellard | #include "elf_ops.h" |
277 | 5fe141fd | bellard | |
278 | 5fe141fd | bellard | /* return < 0 if error, otherwise the number of bytes loaded in memory */
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279 | 409dbce5 | Aurelien Jarno | int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t), |
280 | 409dbce5 | Aurelien Jarno | void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr,
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281 | 409dbce5 | Aurelien Jarno | uint64_t *highaddr, int big_endian, int elf_machine, int clear_lsb) |
282 | 5fe141fd | bellard | { |
283 | ca20cf32 | Blue Swirl | int fd, data_order, target_data_order, must_swab, ret;
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284 | 5fe141fd | bellard | uint8_t e_ident[EI_NIDENT]; |
285 | 5fe141fd | bellard | |
286 | 699e4642 | bellard | fd = open(filename, O_RDONLY | O_BINARY); |
287 | 5fe141fd | bellard | if (fd < 0) { |
288 | 5fe141fd | bellard | perror(filename); |
289 | 5fe141fd | bellard | return -1; |
290 | 5fe141fd | bellard | } |
291 | 5fe141fd | bellard | if (read(fd, e_ident, sizeof(e_ident)) != sizeof(e_ident)) |
292 | 5fe141fd | bellard | goto fail;
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293 | 5fe141fd | bellard | if (e_ident[0] != ELFMAG0 || |
294 | 5fe141fd | bellard | e_ident[1] != ELFMAG1 ||
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295 | 5fe141fd | bellard | e_ident[2] != ELFMAG2 ||
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296 | 5fe141fd | bellard | e_ident[3] != ELFMAG3)
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297 | 5fe141fd | bellard | goto fail;
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298 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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299 | 5fe141fd | bellard | data_order = ELFDATA2MSB; |
300 | 5fe141fd | bellard | #else
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301 | 5fe141fd | bellard | data_order = ELFDATA2LSB; |
302 | 5fe141fd | bellard | #endif
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303 | 5fe141fd | bellard | must_swab = data_order != e_ident[EI_DATA]; |
304 | ca20cf32 | Blue Swirl | if (big_endian) {
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305 | ca20cf32 | Blue Swirl | target_data_order = ELFDATA2MSB; |
306 | ca20cf32 | Blue Swirl | } else {
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307 | ca20cf32 | Blue Swirl | target_data_order = ELFDATA2LSB; |
308 | ca20cf32 | Blue Swirl | } |
309 | 9042c0e2 | ths | |
310 | ca20cf32 | Blue Swirl | if (target_data_order != e_ident[EI_DATA])
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311 | 9042c0e2 | ths | return -1; |
312 | 9042c0e2 | ths | |
313 | 5fe141fd | bellard | lseek(fd, 0, SEEK_SET);
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314 | 5fe141fd | bellard | if (e_ident[EI_CLASS] == ELFCLASS64) {
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315 | 409dbce5 | Aurelien Jarno | ret = load_elf64(filename, fd, translate_fn, translate_opaque, must_swab, |
316 | 409dbce5 | Aurelien Jarno | pentry, lowaddr, highaddr, elf_machine, clear_lsb); |
317 | 5fe141fd | bellard | } else {
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318 | 409dbce5 | Aurelien Jarno | ret = load_elf32(filename, fd, translate_fn, translate_opaque, must_swab, |
319 | 409dbce5 | Aurelien Jarno | pentry, lowaddr, highaddr, elf_machine, clear_lsb); |
320 | 5fe141fd | bellard | } |
321 | 5fe141fd | bellard | |
322 | 5fe141fd | bellard | close(fd); |
323 | 5fe141fd | bellard | return ret;
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324 | 5fe141fd | bellard | |
325 | 5fe141fd | bellard | fail:
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326 | 5fe141fd | bellard | close(fd); |
327 | 5fe141fd | bellard | return -1; |
328 | 5fe141fd | bellard | } |
329 | 1c7b3754 | pbrook | |
330 | c227f099 | Anthony Liguori | static void bswap_uboot_header(uboot_image_header_t *hdr) |
331 | 1c7b3754 | pbrook | { |
332 | e2542fe2 | Juan Quintela | #ifndef HOST_WORDS_BIGENDIAN
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333 | 1c7b3754 | pbrook | bswap32s(&hdr->ih_magic); |
334 | 1c7b3754 | pbrook | bswap32s(&hdr->ih_hcrc); |
335 | 1c7b3754 | pbrook | bswap32s(&hdr->ih_time); |
336 | 1c7b3754 | pbrook | bswap32s(&hdr->ih_size); |
337 | 1c7b3754 | pbrook | bswap32s(&hdr->ih_load); |
338 | 1c7b3754 | pbrook | bswap32s(&hdr->ih_ep); |
339 | 1c7b3754 | pbrook | bswap32s(&hdr->ih_dcrc); |
340 | 1c7b3754 | pbrook | #endif
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341 | 1c7b3754 | pbrook | } |
342 | 1c7b3754 | pbrook | |
343 | 5a123577 | aliguori | |
344 | 5a123577 | aliguori | #define ZALLOC_ALIGNMENT 16 |
345 | 5a123577 | aliguori | |
346 | 5a123577 | aliguori | static void *zalloc(void *x, unsigned items, unsigned size) |
347 | 5a123577 | aliguori | { |
348 | 5a123577 | aliguori | void *p;
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349 | 5a123577 | aliguori | |
350 | 5a123577 | aliguori | size *= items; |
351 | 5a123577 | aliguori | size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); |
352 | 5a123577 | aliguori | |
353 | 5a123577 | aliguori | p = qemu_malloc(size); |
354 | 5a123577 | aliguori | |
355 | 5a123577 | aliguori | return (p);
|
356 | 5a123577 | aliguori | } |
357 | 5a123577 | aliguori | |
358 | d084eab6 | Stefan Weil | static void zfree(void *x, void *addr) |
359 | 5a123577 | aliguori | { |
360 | 5a123577 | aliguori | qemu_free(addr); |
361 | 5a123577 | aliguori | } |
362 | 5a123577 | aliguori | |
363 | 5a123577 | aliguori | |
364 | 5a123577 | aliguori | #define HEAD_CRC 2 |
365 | 5a123577 | aliguori | #define EXTRA_FIELD 4 |
366 | 5a123577 | aliguori | #define ORIG_NAME 8 |
367 | 5a123577 | aliguori | #define COMMENT 0x10 |
368 | 5a123577 | aliguori | #define RESERVED 0xe0 |
369 | 5a123577 | aliguori | |
370 | 5a123577 | aliguori | #define DEFLATED 8 |
371 | 5a123577 | aliguori | |
372 | 5a123577 | aliguori | /* This is the maximum in uboot, so if a uImage overflows this, it would
|
373 | 5a123577 | aliguori | * overflow on real hardware too. */
|
374 | 5a123577 | aliguori | #define UBOOT_MAX_GUNZIP_BYTES 0x800000 |
375 | 5a123577 | aliguori | |
376 | 5a123577 | aliguori | static ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src, |
377 | 5a123577 | aliguori | size_t srclen) |
378 | 5a123577 | aliguori | { |
379 | 5a123577 | aliguori | z_stream s; |
380 | 5a123577 | aliguori | ssize_t dstbytes; |
381 | 5a123577 | aliguori | int r, i, flags;
|
382 | 5a123577 | aliguori | |
383 | 5a123577 | aliguori | /* skip header */
|
384 | 5a123577 | aliguori | i = 10;
|
385 | 5a123577 | aliguori | flags = src[3];
|
386 | 5a123577 | aliguori | if (src[2] != DEFLATED || (flags & RESERVED) != 0) { |
387 | 5a123577 | aliguori | puts ("Error: Bad gzipped data\n");
|
388 | 5a123577 | aliguori | return -1; |
389 | 5a123577 | aliguori | } |
390 | 5a123577 | aliguori | if ((flags & EXTRA_FIELD) != 0) |
391 | 5a123577 | aliguori | i = 12 + src[10] + (src[11] << 8); |
392 | 5a123577 | aliguori | if ((flags & ORIG_NAME) != 0) |
393 | 5a123577 | aliguori | while (src[i++] != 0) |
394 | 5a123577 | aliguori | ; |
395 | 5a123577 | aliguori | if ((flags & COMMENT) != 0) |
396 | 5a123577 | aliguori | while (src[i++] != 0) |
397 | 5a123577 | aliguori | ; |
398 | 5a123577 | aliguori | if ((flags & HEAD_CRC) != 0) |
399 | 5a123577 | aliguori | i += 2;
|
400 | 5a123577 | aliguori | if (i >= srclen) {
|
401 | 5a123577 | aliguori | puts ("Error: gunzip out of data in header\n");
|
402 | 5a123577 | aliguori | return -1; |
403 | 5a123577 | aliguori | } |
404 | 5a123577 | aliguori | |
405 | 5a123577 | aliguori | s.zalloc = zalloc; |
406 | d084eab6 | Stefan Weil | s.zfree = zfree; |
407 | 5a123577 | aliguori | |
408 | 5a123577 | aliguori | r = inflateInit2(&s, -MAX_WBITS); |
409 | 5a123577 | aliguori | if (r != Z_OK) {
|
410 | 5a123577 | aliguori | printf ("Error: inflateInit2() returned %d\n", r);
|
411 | 5a123577 | aliguori | return (-1); |
412 | 5a123577 | aliguori | } |
413 | 5a123577 | aliguori | s.next_in = src + i; |
414 | 5a123577 | aliguori | s.avail_in = srclen - i; |
415 | 5a123577 | aliguori | s.next_out = dst; |
416 | 5a123577 | aliguori | s.avail_out = dstlen; |
417 | 5a123577 | aliguori | r = inflate(&s, Z_FINISH); |
418 | 5a123577 | aliguori | if (r != Z_OK && r != Z_STREAM_END) {
|
419 | 5a123577 | aliguori | printf ("Error: inflate() returned %d\n", r);
|
420 | 5a123577 | aliguori | return -1; |
421 | 5a123577 | aliguori | } |
422 | 5a123577 | aliguori | dstbytes = s.next_out - (unsigned char *) dst; |
423 | 5a123577 | aliguori | inflateEnd(&s); |
424 | 5a123577 | aliguori | |
425 | 5a123577 | aliguori | return dstbytes;
|
426 | 5a123577 | aliguori | } |
427 | 5a123577 | aliguori | |
428 | 1c7b3754 | pbrook | /* Load a U-Boot image. */
|
429 | c227f099 | Anthony Liguori | int load_uimage(const char *filename, target_phys_addr_t *ep, |
430 | c227f099 | Anthony Liguori | target_phys_addr_t *loadaddr, int *is_linux)
|
431 | 1c7b3754 | pbrook | { |
432 | 1c7b3754 | pbrook | int fd;
|
433 | 1c7b3754 | pbrook | int size;
|
434 | c227f099 | Anthony Liguori | uboot_image_header_t h; |
435 | c227f099 | Anthony Liguori | uboot_image_header_t *hdr = &h; |
436 | 1c7b3754 | pbrook | uint8_t *data = NULL;
|
437 | 265ca29a | aliguori | int ret = -1; |
438 | 1c7b3754 | pbrook | |
439 | 1c7b3754 | pbrook | fd = open(filename, O_RDONLY | O_BINARY); |
440 | 1c7b3754 | pbrook | if (fd < 0) |
441 | 1c7b3754 | pbrook | return -1; |
442 | 1c7b3754 | pbrook | |
443 | c227f099 | Anthony Liguori | size = read(fd, hdr, sizeof(uboot_image_header_t));
|
444 | 1c7b3754 | pbrook | if (size < 0) |
445 | 265ca29a | aliguori | goto out;
|
446 | 1c7b3754 | pbrook | |
447 | 1c7b3754 | pbrook | bswap_uboot_header(hdr); |
448 | 1c7b3754 | pbrook | |
449 | 1c7b3754 | pbrook | if (hdr->ih_magic != IH_MAGIC)
|
450 | 265ca29a | aliguori | goto out;
|
451 | 1c7b3754 | pbrook | |
452 | 7e5f90fa | aliguori | /* TODO: Implement other image types. */
|
453 | 7e5f90fa | aliguori | if (hdr->ih_type != IH_TYPE_KERNEL) {
|
454 | 7e5f90fa | aliguori | fprintf(stderr, "Can only load u-boot image type \"kernel\"\n");
|
455 | 265ca29a | aliguori | goto out;
|
456 | 1c7b3754 | pbrook | } |
457 | 1c7b3754 | pbrook | |
458 | 5a123577 | aliguori | switch (hdr->ih_comp) {
|
459 | 5a123577 | aliguori | case IH_COMP_NONE:
|
460 | 5a123577 | aliguori | case IH_COMP_GZIP:
|
461 | 5a123577 | aliguori | break;
|
462 | 5a123577 | aliguori | default:
|
463 | 5a123577 | aliguori | fprintf(stderr, |
464 | 5a123577 | aliguori | "Unable to load u-boot images with compression type %d\n",
|
465 | 5a123577 | aliguori | hdr->ih_comp); |
466 | 265ca29a | aliguori | goto out;
|
467 | 1c7b3754 | pbrook | } |
468 | 1c7b3754 | pbrook | |
469 | 1c7b3754 | pbrook | /* TODO: Check CPU type. */
|
470 | 1c7b3754 | pbrook | if (is_linux) {
|
471 | 7e5f90fa | aliguori | if (hdr->ih_os == IH_OS_LINUX)
|
472 | 1c7b3754 | pbrook | *is_linux = 1;
|
473 | 1c7b3754 | pbrook | else
|
474 | 1c7b3754 | pbrook | *is_linux = 0;
|
475 | 1c7b3754 | pbrook | } |
476 | 1c7b3754 | pbrook | |
477 | 1c7b3754 | pbrook | *ep = hdr->ih_ep; |
478 | 1c7b3754 | pbrook | data = qemu_malloc(hdr->ih_size); |
479 | 1c7b3754 | pbrook | |
480 | 1c7b3754 | pbrook | if (read(fd, data, hdr->ih_size) != hdr->ih_size) {
|
481 | 1c7b3754 | pbrook | fprintf(stderr, "Error reading file\n");
|
482 | 265ca29a | aliguori | goto out;
|
483 | 1c7b3754 | pbrook | } |
484 | 1c7b3754 | pbrook | |
485 | 5a123577 | aliguori | if (hdr->ih_comp == IH_COMP_GZIP) {
|
486 | 5a123577 | aliguori | uint8_t *compressed_data; |
487 | 5a123577 | aliguori | size_t max_bytes; |
488 | 5a123577 | aliguori | ssize_t bytes; |
489 | 5a123577 | aliguori | |
490 | 5a123577 | aliguori | compressed_data = data; |
491 | 5a123577 | aliguori | max_bytes = UBOOT_MAX_GUNZIP_BYTES; |
492 | 5a123577 | aliguori | data = qemu_malloc(max_bytes); |
493 | 5a123577 | aliguori | |
494 | 5a123577 | aliguori | bytes = gunzip(data, max_bytes, compressed_data, hdr->ih_size); |
495 | 5a123577 | aliguori | qemu_free(compressed_data); |
496 | 5a123577 | aliguori | if (bytes < 0) { |
497 | 5a123577 | aliguori | fprintf(stderr, "Unable to decompress gzipped image!\n");
|
498 | 5a123577 | aliguori | goto out;
|
499 | 5a123577 | aliguori | } |
500 | 5a123577 | aliguori | hdr->ih_size = bytes; |
501 | 5a123577 | aliguori | } |
502 | 5a123577 | aliguori | |
503 | 45a50b16 | Gerd Hoffmann | rom_add_blob_fixed(filename, data, hdr->ih_size, hdr->ih_load); |
504 | 1c7b3754 | pbrook | |
505 | 21cafd08 | aliguori | if (loadaddr)
|
506 | 21cafd08 | aliguori | *loadaddr = hdr->ih_load; |
507 | 21cafd08 | aliguori | |
508 | 265ca29a | aliguori | ret = hdr->ih_size; |
509 | 1c7b3754 | pbrook | |
510 | 265ca29a | aliguori | out:
|
511 | 1c7b3754 | pbrook | if (data)
|
512 | 1c7b3754 | pbrook | qemu_free(data); |
513 | 1c7b3754 | pbrook | close(fd); |
514 | 265ca29a | aliguori | return ret;
|
515 | 1c7b3754 | pbrook | } |
516 | 45a50b16 | Gerd Hoffmann | |
517 | 45a50b16 | Gerd Hoffmann | /*
|
518 | 45a50b16 | Gerd Hoffmann | * Functions for reboot-persistent memory regions.
|
519 | 45a50b16 | Gerd Hoffmann | * - used for vga bios and option roms.
|
520 | 45a50b16 | Gerd Hoffmann | * - also linux kernel (-kernel / -initrd).
|
521 | 45a50b16 | Gerd Hoffmann | */
|
522 | 45a50b16 | Gerd Hoffmann | |
523 | 45a50b16 | Gerd Hoffmann | typedef struct Rom Rom; |
524 | 45a50b16 | Gerd Hoffmann | |
525 | 45a50b16 | Gerd Hoffmann | struct Rom {
|
526 | 45a50b16 | Gerd Hoffmann | char *name;
|
527 | 45a50b16 | Gerd Hoffmann | char *path;
|
528 | 45a50b16 | Gerd Hoffmann | size_t romsize; |
529 | 45a50b16 | Gerd Hoffmann | uint8_t *data; |
530 | 45a50b16 | Gerd Hoffmann | int isrom;
|
531 | 379526a4 | Gerd Hoffmann | char *fw_dir;
|
532 | 379526a4 | Gerd Hoffmann | char *fw_file;
|
533 | 45a50b16 | Gerd Hoffmann | |
534 | 45a50b16 | Gerd Hoffmann | target_phys_addr_t addr; |
535 | 45a50b16 | Gerd Hoffmann | QTAILQ_ENTRY(Rom) next; |
536 | 45a50b16 | Gerd Hoffmann | }; |
537 | 45a50b16 | Gerd Hoffmann | |
538 | 8832cb80 | Gerd Hoffmann | static FWCfgState *fw_cfg;
|
539 | 45a50b16 | Gerd Hoffmann | static QTAILQ_HEAD(, Rom) roms = QTAILQ_HEAD_INITIALIZER(roms);
|
540 | 45a50b16 | Gerd Hoffmann | |
541 | 45a50b16 | Gerd Hoffmann | static void rom_insert(Rom *rom) |
542 | 45a50b16 | Gerd Hoffmann | { |
543 | 45a50b16 | Gerd Hoffmann | Rom *item; |
544 | 45a50b16 | Gerd Hoffmann | |
545 | 97fe84f5 | Paul Brook | if (roms_loaded) {
|
546 | 97fe84f5 | Paul Brook | hw_error ("ROM images must be loaded at startup\n");
|
547 | 97fe84f5 | Paul Brook | } |
548 | 97fe84f5 | Paul Brook | |
549 | 45a50b16 | Gerd Hoffmann | /* list is ordered by load address */
|
550 | 45a50b16 | Gerd Hoffmann | QTAILQ_FOREACH(item, &roms, next) { |
551 | 632cf034 | Gerd Hoffmann | if (rom->addr >= item->addr)
|
552 | 45a50b16 | Gerd Hoffmann | continue;
|
553 | 45a50b16 | Gerd Hoffmann | QTAILQ_INSERT_BEFORE(item, rom, next); |
554 | 45a50b16 | Gerd Hoffmann | return;
|
555 | 45a50b16 | Gerd Hoffmann | } |
556 | 45a50b16 | Gerd Hoffmann | QTAILQ_INSERT_TAIL(&roms, rom, next); |
557 | 45a50b16 | Gerd Hoffmann | } |
558 | 45a50b16 | Gerd Hoffmann | |
559 | bdb5ee30 | Gerd Hoffmann | int rom_add_file(const char *file, const char *fw_dir, |
560 | 632cf034 | Gerd Hoffmann | target_phys_addr_t addr) |
561 | 45a50b16 | Gerd Hoffmann | { |
562 | 45a50b16 | Gerd Hoffmann | Rom *rom; |
563 | 45a50b16 | Gerd Hoffmann | int rc, fd = -1; |
564 | 45a50b16 | Gerd Hoffmann | |
565 | 45a50b16 | Gerd Hoffmann | rom = qemu_mallocz(sizeof(*rom));
|
566 | 45a50b16 | Gerd Hoffmann | rom->name = qemu_strdup(file); |
567 | 45a50b16 | Gerd Hoffmann | rom->path = qemu_find_file(QEMU_FILE_TYPE_BIOS, rom->name); |
568 | 45a50b16 | Gerd Hoffmann | if (rom->path == NULL) { |
569 | 14a3f32d | Gerd Hoffmann | rom->path = qemu_strdup(file); |
570 | 45a50b16 | Gerd Hoffmann | } |
571 | 45a50b16 | Gerd Hoffmann | |
572 | cef290b8 | malc | fd = open(rom->path, O_RDONLY | O_BINARY); |
573 | 45a50b16 | Gerd Hoffmann | if (fd == -1) { |
574 | 45a50b16 | Gerd Hoffmann | fprintf(stderr, "Could not open option rom '%s': %s\n",
|
575 | 45a50b16 | Gerd Hoffmann | rom->path, strerror(errno)); |
576 | 45a50b16 | Gerd Hoffmann | goto err;
|
577 | 45a50b16 | Gerd Hoffmann | } |
578 | 45a50b16 | Gerd Hoffmann | |
579 | bdb5ee30 | Gerd Hoffmann | if (fw_dir) {
|
580 | bdb5ee30 | Gerd Hoffmann | rom->fw_dir = qemu_strdup(fw_dir); |
581 | bdb5ee30 | Gerd Hoffmann | rom->fw_file = qemu_strdup(file); |
582 | bdb5ee30 | Gerd Hoffmann | } |
583 | 632cf034 | Gerd Hoffmann | rom->addr = addr; |
584 | 45a50b16 | Gerd Hoffmann | rom->romsize = lseek(fd, 0, SEEK_END);
|
585 | 45a50b16 | Gerd Hoffmann | rom->data = qemu_mallocz(rom->romsize); |
586 | 45a50b16 | Gerd Hoffmann | lseek(fd, 0, SEEK_SET);
|
587 | 45a50b16 | Gerd Hoffmann | rc = read(fd, rom->data, rom->romsize); |
588 | 45a50b16 | Gerd Hoffmann | if (rc != rom->romsize) {
|
589 | 45a50b16 | Gerd Hoffmann | fprintf(stderr, "rom: file %-20s: read error: rc=%d (expected %zd)\n",
|
590 | 45a50b16 | Gerd Hoffmann | rom->name, rc, rom->romsize); |
591 | 45a50b16 | Gerd Hoffmann | goto err;
|
592 | 45a50b16 | Gerd Hoffmann | } |
593 | 45a50b16 | Gerd Hoffmann | close(fd); |
594 | 45a50b16 | Gerd Hoffmann | rom_insert(rom); |
595 | 8832cb80 | Gerd Hoffmann | if (rom->fw_file && fw_cfg)
|
596 | 8832cb80 | Gerd Hoffmann | fw_cfg_add_file(fw_cfg, rom->fw_dir, rom->fw_file, rom->data, rom->romsize); |
597 | 45a50b16 | Gerd Hoffmann | return 0; |
598 | 45a50b16 | Gerd Hoffmann | |
599 | 45a50b16 | Gerd Hoffmann | err:
|
600 | 45a50b16 | Gerd Hoffmann | if (fd != -1) |
601 | 45a50b16 | Gerd Hoffmann | close(fd); |
602 | 45a50b16 | Gerd Hoffmann | qemu_free(rom->data); |
603 | 45a50b16 | Gerd Hoffmann | qemu_free(rom->path); |
604 | 45a50b16 | Gerd Hoffmann | qemu_free(rom->name); |
605 | 45a50b16 | Gerd Hoffmann | qemu_free(rom); |
606 | 45a50b16 | Gerd Hoffmann | return -1; |
607 | 45a50b16 | Gerd Hoffmann | } |
608 | 45a50b16 | Gerd Hoffmann | |
609 | 45a50b16 | Gerd Hoffmann | int rom_add_blob(const char *name, const void *blob, size_t len, |
610 | 632cf034 | Gerd Hoffmann | target_phys_addr_t addr) |
611 | 45a50b16 | Gerd Hoffmann | { |
612 | 45a50b16 | Gerd Hoffmann | Rom *rom; |
613 | 45a50b16 | Gerd Hoffmann | |
614 | 45a50b16 | Gerd Hoffmann | rom = qemu_mallocz(sizeof(*rom));
|
615 | 45a50b16 | Gerd Hoffmann | rom->name = qemu_strdup(name); |
616 | 632cf034 | Gerd Hoffmann | rom->addr = addr; |
617 | 45a50b16 | Gerd Hoffmann | rom->romsize = len; |
618 | 45a50b16 | Gerd Hoffmann | rom->data = qemu_mallocz(rom->romsize); |
619 | 45a50b16 | Gerd Hoffmann | memcpy(rom->data, blob, len); |
620 | 45a50b16 | Gerd Hoffmann | rom_insert(rom); |
621 | 45a50b16 | Gerd Hoffmann | return 0; |
622 | 45a50b16 | Gerd Hoffmann | } |
623 | 45a50b16 | Gerd Hoffmann | |
624 | de2aff17 | Gerd Hoffmann | int rom_add_vga(const char *file) |
625 | de2aff17 | Gerd Hoffmann | { |
626 | bdb5ee30 | Gerd Hoffmann | return rom_add_file(file, "vgaroms", 0); |
627 | de2aff17 | Gerd Hoffmann | } |
628 | de2aff17 | Gerd Hoffmann | |
629 | de2aff17 | Gerd Hoffmann | int rom_add_option(const char *file) |
630 | de2aff17 | Gerd Hoffmann | { |
631 | bdb5ee30 | Gerd Hoffmann | return rom_add_file(file, "genroms", 0); |
632 | de2aff17 | Gerd Hoffmann | } |
633 | de2aff17 | Gerd Hoffmann | |
634 | 45a50b16 | Gerd Hoffmann | static void rom_reset(void *unused) |
635 | 45a50b16 | Gerd Hoffmann | { |
636 | 45a50b16 | Gerd Hoffmann | Rom *rom; |
637 | 45a50b16 | Gerd Hoffmann | |
638 | 45a50b16 | Gerd Hoffmann | QTAILQ_FOREACH(rom, &roms, next) { |
639 | e405a2ba | Avi Kivity | if (rom->fw_file) {
|
640 | e405a2ba | Avi Kivity | continue;
|
641 | e405a2ba | Avi Kivity | } |
642 | bdb5ee30 | Gerd Hoffmann | if (rom->data == NULL) { |
643 | 45a50b16 | Gerd Hoffmann | continue;
|
644 | bdb5ee30 | Gerd Hoffmann | } |
645 | 45a50b16 | Gerd Hoffmann | cpu_physical_memory_write_rom(rom->addr, rom->data, rom->romsize); |
646 | 45a50b16 | Gerd Hoffmann | if (rom->isrom) {
|
647 | 45a50b16 | Gerd Hoffmann | /* rom needs to be written only once */
|
648 | 45a50b16 | Gerd Hoffmann | qemu_free(rom->data); |
649 | 45a50b16 | Gerd Hoffmann | rom->data = NULL;
|
650 | 45a50b16 | Gerd Hoffmann | } |
651 | 45a50b16 | Gerd Hoffmann | } |
652 | 45a50b16 | Gerd Hoffmann | } |
653 | 45a50b16 | Gerd Hoffmann | |
654 | 45a50b16 | Gerd Hoffmann | int rom_load_all(void) |
655 | 45a50b16 | Gerd Hoffmann | { |
656 | 45a50b16 | Gerd Hoffmann | target_phys_addr_t addr = 0;
|
657 | 45a50b16 | Gerd Hoffmann | int memtype;
|
658 | 45a50b16 | Gerd Hoffmann | Rom *rom; |
659 | 45a50b16 | Gerd Hoffmann | |
660 | 45a50b16 | Gerd Hoffmann | QTAILQ_FOREACH(rom, &roms, next) { |
661 | e405a2ba | Avi Kivity | if (rom->fw_file) {
|
662 | e405a2ba | Avi Kivity | continue;
|
663 | e405a2ba | Avi Kivity | } |
664 | 632cf034 | Gerd Hoffmann | if (addr > rom->addr) {
|
665 | 632cf034 | Gerd Hoffmann | fprintf(stderr, "rom: requested regions overlap "
|
666 | 632cf034 | Gerd Hoffmann | "(rom %s. free=0x" TARGET_FMT_plx
|
667 | 632cf034 | Gerd Hoffmann | ", addr=0x" TARGET_FMT_plx ")\n", |
668 | 632cf034 | Gerd Hoffmann | rom->name, addr, rom->addr); |
669 | 632cf034 | Gerd Hoffmann | return -1; |
670 | 45a50b16 | Gerd Hoffmann | } |
671 | 632cf034 | Gerd Hoffmann | addr = rom->addr; |
672 | 45a50b16 | Gerd Hoffmann | addr += rom->romsize; |
673 | 45a50b16 | Gerd Hoffmann | memtype = cpu_get_physical_page_desc(rom->addr) & (3 << IO_MEM_SHIFT);
|
674 | 45a50b16 | Gerd Hoffmann | if (memtype == IO_MEM_ROM)
|
675 | 45a50b16 | Gerd Hoffmann | rom->isrom = 1;
|
676 | 45a50b16 | Gerd Hoffmann | } |
677 | 45a50b16 | Gerd Hoffmann | qemu_register_reset(rom_reset, NULL);
|
678 | 97fe84f5 | Paul Brook | roms_loaded = 1;
|
679 | 45a50b16 | Gerd Hoffmann | return 0; |
680 | 45a50b16 | Gerd Hoffmann | } |
681 | 45a50b16 | Gerd Hoffmann | |
682 | 8832cb80 | Gerd Hoffmann | void rom_set_fw(void *f) |
683 | 379526a4 | Gerd Hoffmann | { |
684 | 8832cb80 | Gerd Hoffmann | fw_cfg = f; |
685 | 379526a4 | Gerd Hoffmann | } |
686 | 379526a4 | Gerd Hoffmann | |
687 | 3c178e72 | Gerd Hoffmann | static Rom *find_rom(target_phys_addr_t addr)
|
688 | 3c178e72 | Gerd Hoffmann | { |
689 | 3c178e72 | Gerd Hoffmann | Rom *rom; |
690 | 3c178e72 | Gerd Hoffmann | |
691 | 3c178e72 | Gerd Hoffmann | QTAILQ_FOREACH(rom, &roms, next) { |
692 | f21a59c2 | Aurelien Jarno | if (rom->fw_file) {
|
693 | f21a59c2 | Aurelien Jarno | continue;
|
694 | f21a59c2 | Aurelien Jarno | } |
695 | bdb5ee30 | Gerd Hoffmann | if (rom->addr > addr) {
|
696 | 3c178e72 | Gerd Hoffmann | continue;
|
697 | bdb5ee30 | Gerd Hoffmann | } |
698 | bdb5ee30 | Gerd Hoffmann | if (rom->addr + rom->romsize < addr) {
|
699 | 3c178e72 | Gerd Hoffmann | continue;
|
700 | bdb5ee30 | Gerd Hoffmann | } |
701 | 3c178e72 | Gerd Hoffmann | return rom;
|
702 | 3c178e72 | Gerd Hoffmann | } |
703 | 3c178e72 | Gerd Hoffmann | return NULL; |
704 | 3c178e72 | Gerd Hoffmann | } |
705 | 3c178e72 | Gerd Hoffmann | |
706 | 935effc2 | Kevin Wolf | /*
|
707 | 935effc2 | Kevin Wolf | * Copies memory from registered ROMs to dest. Any memory that is contained in
|
708 | 935effc2 | Kevin Wolf | * a ROM between addr and addr + size is copied. Note that this can involve
|
709 | 935effc2 | Kevin Wolf | * multiple ROMs, which need not start at addr and need not end at addr + size.
|
710 | 935effc2 | Kevin Wolf | */
|
711 | 235f86ef | Alexander Graf | int rom_copy(uint8_t *dest, target_phys_addr_t addr, size_t size)
|
712 | 235f86ef | Alexander Graf | { |
713 | 235f86ef | Alexander Graf | target_phys_addr_t end = addr + size; |
714 | 235f86ef | Alexander Graf | uint8_t *s, *d = dest; |
715 | 235f86ef | Alexander Graf | size_t l = 0;
|
716 | 235f86ef | Alexander Graf | Rom *rom; |
717 | 235f86ef | Alexander Graf | |
718 | 235f86ef | Alexander Graf | QTAILQ_FOREACH(rom, &roms, next) { |
719 | f21a59c2 | Aurelien Jarno | if (rom->fw_file) {
|
720 | f21a59c2 | Aurelien Jarno | continue;
|
721 | f21a59c2 | Aurelien Jarno | } |
722 | bdb5ee30 | Gerd Hoffmann | if (rom->addr + rom->romsize < addr) {
|
723 | 632cf034 | Gerd Hoffmann | continue;
|
724 | bdb5ee30 | Gerd Hoffmann | } |
725 | bdb5ee30 | Gerd Hoffmann | if (rom->addr > end) {
|
726 | 235f86ef | Alexander Graf | break;
|
727 | bdb5ee30 | Gerd Hoffmann | } |
728 | bdb5ee30 | Gerd Hoffmann | if (!rom->data) {
|
729 | 235f86ef | Alexander Graf | continue;
|
730 | bdb5ee30 | Gerd Hoffmann | } |
731 | 235f86ef | Alexander Graf | |
732 | 632cf034 | Gerd Hoffmann | d = dest + (rom->addr - addr); |
733 | 235f86ef | Alexander Graf | s = rom->data; |
734 | 235f86ef | Alexander Graf | l = rom->romsize; |
735 | 235f86ef | Alexander Graf | |
736 | 632cf034 | Gerd Hoffmann | if (rom->addr < addr) {
|
737 | 235f86ef | Alexander Graf | d = dest; |
738 | 632cf034 | Gerd Hoffmann | s += (addr - rom->addr); |
739 | 632cf034 | Gerd Hoffmann | l -= (addr - rom->addr); |
740 | 235f86ef | Alexander Graf | } |
741 | 235f86ef | Alexander Graf | if ((d + l) > (dest + size)) {
|
742 | 235f86ef | Alexander Graf | l = dest - d; |
743 | 235f86ef | Alexander Graf | } |
744 | 235f86ef | Alexander Graf | |
745 | 235f86ef | Alexander Graf | memcpy(d, s, l); |
746 | 235f86ef | Alexander Graf | } |
747 | 235f86ef | Alexander Graf | |
748 | 235f86ef | Alexander Graf | return (d + l) - dest;
|
749 | 235f86ef | Alexander Graf | } |
750 | 235f86ef | Alexander Graf | |
751 | 3c178e72 | Gerd Hoffmann | void *rom_ptr(target_phys_addr_t addr)
|
752 | 3c178e72 | Gerd Hoffmann | { |
753 | 3c178e72 | Gerd Hoffmann | Rom *rom; |
754 | 3c178e72 | Gerd Hoffmann | |
755 | 3c178e72 | Gerd Hoffmann | rom = find_rom(addr); |
756 | 3c178e72 | Gerd Hoffmann | if (!rom || !rom->data)
|
757 | 3c178e72 | Gerd Hoffmann | return NULL; |
758 | 632cf034 | Gerd Hoffmann | return rom->data + (addr - rom->addr);
|
759 | 3c178e72 | Gerd Hoffmann | } |
760 | 3c178e72 | Gerd Hoffmann | |
761 | 45a50b16 | Gerd Hoffmann | void do_info_roms(Monitor *mon)
|
762 | 45a50b16 | Gerd Hoffmann | { |
763 | 45a50b16 | Gerd Hoffmann | Rom *rom; |
764 | 45a50b16 | Gerd Hoffmann | |
765 | 45a50b16 | Gerd Hoffmann | QTAILQ_FOREACH(rom, &roms, next) { |
766 | e405a2ba | Avi Kivity | if (!rom->fw_file) {
|
767 | 632cf034 | Gerd Hoffmann | monitor_printf(mon, "addr=" TARGET_FMT_plx
|
768 | 632cf034 | Gerd Hoffmann | " size=0x%06zx mem=%s name=\"%s\" \n",
|
769 | 632cf034 | Gerd Hoffmann | rom->addr, rom->romsize, |
770 | 632cf034 | Gerd Hoffmann | rom->isrom ? "rom" : "ram", |
771 | 632cf034 | Gerd Hoffmann | rom->name); |
772 | 632cf034 | Gerd Hoffmann | } else {
|
773 | bdb5ee30 | Gerd Hoffmann | monitor_printf(mon, "fw=%s/%s"
|
774 | 632cf034 | Gerd Hoffmann | " size=0x%06zx name=\"%s\" \n",
|
775 | bdb5ee30 | Gerd Hoffmann | rom->fw_dir, |
776 | 632cf034 | Gerd Hoffmann | rom->fw_file, |
777 | 632cf034 | Gerd Hoffmann | rom->romsize, |
778 | 632cf034 | Gerd Hoffmann | rom->name); |
779 | 632cf034 | Gerd Hoffmann | } |
780 | 45a50b16 | Gerd Hoffmann | } |
781 | 45a50b16 | Gerd Hoffmann | } |