2006-04-23 17:12:42 +00:00
|
|
|
/*
|
|
|
|
* QEMU Executable loader
|
2007-09-16 21:08:06 +00:00
|
|
|
*
|
2006-04-23 17:12:42 +00:00
|
|
|
* Copyright (c) 2006 Fabrice Bellard
|
2007-09-16 21:08:06 +00:00
|
|
|
*
|
2006-04-23 17:12:42 +00:00
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
|
|
* in the Software without restriction, including without limitation the rights
|
|
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
*
|
|
|
|
* The above copyright notice and this permission notice shall be included in
|
|
|
|
* all copies or substantial portions of the Software.
|
|
|
|
*
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
|
|
* THE SOFTWARE.
|
2008-11-20 22:04:01 +00:00
|
|
|
*
|
|
|
|
* Gunzip functionality in this file is derived from u-boot:
|
|
|
|
*
|
|
|
|
* (C) Copyright 2008 Semihalf
|
|
|
|
*
|
|
|
|
* (C) Copyright 2000-2005
|
|
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU General Public License as
|
|
|
|
* published by the Free Software Foundation; either version 2 of
|
|
|
|
* the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
2009-01-04 22:05:52 +00:00
|
|
|
* You should have received a copy of the GNU General Public License along
|
2009-07-16 20:47:01 +00:00
|
|
|
* with this program; if not, see <http://www.gnu.org/licenses/>.
|
2006-04-23 17:12:42 +00:00
|
|
|
*/
|
2008-11-20 22:04:01 +00:00
|
|
|
|
2009-09-20 14:58:02 +00:00
|
|
|
#include "hw.h"
|
2006-04-23 17:12:42 +00:00
|
|
|
#include "disas.h"
|
2007-11-18 01:44:38 +00:00
|
|
|
#include "sysemu.h"
|
2007-03-06 23:52:01 +00:00
|
|
|
#include "uboot_image.h"
|
2009-09-20 14:58:02 +00:00
|
|
|
#include "loader.h"
|
2006-04-23 17:12:42 +00:00
|
|
|
|
2008-11-20 22:04:01 +00:00
|
|
|
#include <zlib.h>
|
|
|
|
|
2006-04-23 17:12:42 +00:00
|
|
|
/* return the size or -1 if error */
|
|
|
|
int get_image_size(const char *filename)
|
|
|
|
{
|
|
|
|
int fd, size;
|
|
|
|
fd = open(filename, O_RDONLY | O_BINARY);
|
|
|
|
if (fd < 0)
|
|
|
|
return -1;
|
|
|
|
size = lseek(fd, 0, SEEK_END);
|
|
|
|
close(fd);
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* return the size or -1 if error */
|
2008-05-12 17:22:13 +00:00
|
|
|
/* deprecated, because caller does not specify buffer size! */
|
2006-04-23 17:12:42 +00:00
|
|
|
int load_image(const char *filename, uint8_t *addr)
|
|
|
|
{
|
|
|
|
int fd, size;
|
|
|
|
fd = open(filename, O_RDONLY | O_BINARY);
|
|
|
|
if (fd < 0)
|
|
|
|
return -1;
|
|
|
|
size = lseek(fd, 0, SEEK_END);
|
|
|
|
lseek(fd, 0, SEEK_SET);
|
|
|
|
if (read(fd, addr, size) != size) {
|
|
|
|
close(fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
close(fd);
|
|
|
|
return size;
|
|
|
|
}
|
|
|
|
|
2008-05-12 17:22:13 +00:00
|
|
|
/* return the amount read, just like fread. 0 may mean error or eof */
|
2009-10-01 18:20:47 +00:00
|
|
|
int fread_targphys(a_target_phys_addr dst_addr, size_t nbytes, FILE *f)
|
2008-05-12 17:22:13 +00:00
|
|
|
{
|
|
|
|
uint8_t buf[4096];
|
2009-10-01 18:20:47 +00:00
|
|
|
a_target_phys_addr dst_begin = dst_addr;
|
2008-05-12 17:22:13 +00:00
|
|
|
size_t want, did;
|
|
|
|
|
|
|
|
while (nbytes) {
|
|
|
|
want = nbytes > sizeof(buf) ? sizeof(buf) : nbytes;
|
|
|
|
did = fread(buf, 1, want, f);
|
|
|
|
|
|
|
|
cpu_physical_memory_write_rom(dst_addr, buf, did);
|
|
|
|
dst_addr += did;
|
|
|
|
nbytes -= did;
|
2009-03-09 18:08:56 +00:00
|
|
|
if (did != want)
|
|
|
|
break;
|
2008-05-12 17:22:13 +00:00
|
|
|
}
|
|
|
|
return dst_addr - dst_begin;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* returns 0 on error, 1 if ok */
|
2009-10-01 18:20:47 +00:00
|
|
|
int fread_targphys_ok(a_target_phys_addr dst_addr, size_t nbytes, FILE *f)
|
2008-05-12 17:22:13 +00:00
|
|
|
{
|
|
|
|
return fread_targphys(dst_addr, nbytes, f) == nbytes;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* read()-like version */
|
2009-10-01 18:20:47 +00:00
|
|
|
int read_targphys(int fd, a_target_phys_addr dst_addr, size_t nbytes)
|
2008-05-12 17:22:13 +00:00
|
|
|
{
|
|
|
|
uint8_t buf[4096];
|
2009-10-01 18:20:47 +00:00
|
|
|
a_target_phys_addr dst_begin = dst_addr;
|
2008-05-12 17:22:13 +00:00
|
|
|
size_t want, did;
|
|
|
|
|
|
|
|
while (nbytes) {
|
|
|
|
want = nbytes > sizeof(buf) ? sizeof(buf) : nbytes;
|
|
|
|
did = read(fd, buf, want);
|
|
|
|
if (did != want) break;
|
|
|
|
|
|
|
|
cpu_physical_memory_write_rom(dst_addr, buf, did);
|
|
|
|
dst_addr += did;
|
|
|
|
nbytes -= did;
|
|
|
|
}
|
|
|
|
return dst_addr - dst_begin;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* return the size or -1 if error */
|
|
|
|
int load_image_targphys(const char *filename,
|
2009-10-01 18:20:47 +00:00
|
|
|
a_target_phys_addr addr, int max_sz)
|
2008-05-12 17:22:13 +00:00
|
|
|
{
|
|
|
|
FILE *f;
|
|
|
|
size_t got;
|
|
|
|
|
|
|
|
f = fopen(filename, "rb");
|
|
|
|
if (!f) return -1;
|
|
|
|
|
|
|
|
got = fread_targphys(addr, max_sz, f);
|
|
|
|
if (ferror(f)) { fclose(f); return -1; }
|
|
|
|
fclose(f);
|
|
|
|
|
|
|
|
return got;
|
|
|
|
}
|
|
|
|
|
2009-10-01 18:20:47 +00:00
|
|
|
void pstrcpy_targphys(a_target_phys_addr dest, int buf_size,
|
2008-05-12 17:22:13 +00:00
|
|
|
const char *source)
|
|
|
|
{
|
|
|
|
static const uint8_t nul_byte = 0;
|
|
|
|
const char *nulp;
|
|
|
|
|
|
|
|
if (buf_size <= 0) return;
|
|
|
|
nulp = memchr(source, 0, buf_size);
|
|
|
|
if (nulp) {
|
|
|
|
cpu_physical_memory_write_rom(dest, (uint8_t *)source,
|
|
|
|
(nulp - source) + 1);
|
|
|
|
} else {
|
|
|
|
cpu_physical_memory_write_rom(dest, (uint8_t *)source, buf_size - 1);
|
|
|
|
cpu_physical_memory_write_rom(dest, &nul_byte, 1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-04-23 17:12:42 +00:00
|
|
|
/* A.OUT loader */
|
|
|
|
|
|
|
|
struct exec
|
|
|
|
{
|
|
|
|
uint32_t a_info; /* Use macros N_MAGIC, etc for access */
|
|
|
|
uint32_t a_text; /* length of text, in bytes */
|
|
|
|
uint32_t a_data; /* length of data, in bytes */
|
|
|
|
uint32_t a_bss; /* length of uninitialized data area, in bytes */
|
|
|
|
uint32_t a_syms; /* length of symbol table data in file, in bytes */
|
|
|
|
uint32_t a_entry; /* start address */
|
|
|
|
uint32_t a_trsize; /* length of relocation info for text, in bytes */
|
|
|
|
uint32_t a_drsize; /* length of relocation info for data, in bytes */
|
|
|
|
};
|
|
|
|
|
|
|
|
static void bswap_ahdr(struct exec *e)
|
|
|
|
{
|
|
|
|
bswap32s(&e->a_info);
|
|
|
|
bswap32s(&e->a_text);
|
|
|
|
bswap32s(&e->a_data);
|
|
|
|
bswap32s(&e->a_bss);
|
|
|
|
bswap32s(&e->a_syms);
|
|
|
|
bswap32s(&e->a_entry);
|
|
|
|
bswap32s(&e->a_trsize);
|
|
|
|
bswap32s(&e->a_drsize);
|
|
|
|
}
|
|
|
|
|
|
|
|
#define N_MAGIC(exec) ((exec).a_info & 0xffff)
|
|
|
|
#define OMAGIC 0407
|
|
|
|
#define NMAGIC 0410
|
|
|
|
#define ZMAGIC 0413
|
|
|
|
#define QMAGIC 0314
|
|
|
|
#define _N_HDROFF(x) (1024 - sizeof (struct exec))
|
|
|
|
#define N_TXTOFF(x) \
|
|
|
|
(N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \
|
|
|
|
(N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec)))
|
2009-09-20 14:58:02 +00:00
|
|
|
#define N_TXTADDR(x, target_page_size) (N_MAGIC(x) == QMAGIC ? target_page_size : 0)
|
|
|
|
#define _N_SEGMENT_ROUND(x, target_page_size) (((x) + target_page_size - 1) & ~(target_page_size - 1))
|
2006-04-23 17:12:42 +00:00
|
|
|
|
2009-09-20 14:58:02 +00:00
|
|
|
#define _N_TXTENDADDR(x, target_page_size) (N_TXTADDR(x, target_page_size)+(x).a_text)
|
2006-04-23 17:12:42 +00:00
|
|
|
|
2009-09-20 14:58:02 +00:00
|
|
|
#define N_DATADDR(x, target_page_size) \
|
|
|
|
(N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x, target_page_size)) \
|
|
|
|
: (_N_SEGMENT_ROUND (_N_TXTENDADDR(x, target_page_size), target_page_size)))
|
2006-04-23 17:12:42 +00:00
|
|
|
|
|
|
|
|
2009-10-01 18:20:47 +00:00
|
|
|
int load_aout(const char *filename, a_target_phys_addr addr, int max_sz,
|
|
|
|
int bswap_needed, a_target_phys_addr target_page_size)
|
2006-04-23 17:12:42 +00:00
|
|
|
{
|
|
|
|
int fd, size, ret;
|
|
|
|
struct exec e;
|
|
|
|
uint32_t magic;
|
|
|
|
|
|
|
|
fd = open(filename, O_RDONLY | O_BINARY);
|
|
|
|
if (fd < 0)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
size = read(fd, &e, sizeof(e));
|
|
|
|
if (size < 0)
|
|
|
|
goto fail;
|
|
|
|
|
2009-09-20 14:58:02 +00:00
|
|
|
if (bswap_needed) {
|
|
|
|
bswap_ahdr(&e);
|
|
|
|
}
|
2006-04-23 17:12:42 +00:00
|
|
|
|
|
|
|
magic = N_MAGIC(e);
|
|
|
|
switch (magic) {
|
|
|
|
case ZMAGIC:
|
|
|
|
case QMAGIC:
|
|
|
|
case OMAGIC:
|
2008-05-12 17:22:13 +00:00
|
|
|
if (e.a_text + e.a_data > max_sz)
|
|
|
|
goto fail;
|
2006-04-23 17:12:42 +00:00
|
|
|
lseek(fd, N_TXTOFF(e), SEEK_SET);
|
2008-05-12 17:22:13 +00:00
|
|
|
size = read_targphys(fd, addr, e.a_text + e.a_data);
|
2006-04-23 17:12:42 +00:00
|
|
|
if (size < 0)
|
|
|
|
goto fail;
|
|
|
|
break;
|
|
|
|
case NMAGIC:
|
2009-09-20 14:58:02 +00:00
|
|
|
if (N_DATADDR(e, target_page_size) + e.a_data > max_sz)
|
2008-05-12 17:22:13 +00:00
|
|
|
goto fail;
|
2006-04-23 17:12:42 +00:00
|
|
|
lseek(fd, N_TXTOFF(e), SEEK_SET);
|
2008-05-12 17:22:13 +00:00
|
|
|
size = read_targphys(fd, addr, e.a_text);
|
2006-04-23 17:12:42 +00:00
|
|
|
if (size < 0)
|
|
|
|
goto fail;
|
2009-09-20 14:58:02 +00:00
|
|
|
ret = read_targphys(fd, addr + N_DATADDR(e, target_page_size),
|
|
|
|
e.a_data);
|
2006-04-23 17:12:42 +00:00
|
|
|
if (ret < 0)
|
|
|
|
goto fail;
|
|
|
|
size += ret;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
close(fd);
|
|
|
|
return size;
|
|
|
|
fail:
|
|
|
|
close(fd);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ELF loader */
|
|
|
|
|
|
|
|
static void *load_at(int fd, int offset, int size)
|
|
|
|
{
|
|
|
|
void *ptr;
|
|
|
|
if (lseek(fd, offset, SEEK_SET) < 0)
|
|
|
|
return NULL;
|
|
|
|
ptr = qemu_malloc(size);
|
|
|
|
if (read(fd, ptr, size) != size) {
|
|
|
|
qemu_free(ptr);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
return ptr;
|
|
|
|
}
|
|
|
|
|
2009-07-18 09:10:12 +00:00
|
|
|
#ifdef ELF_CLASS
|
|
|
|
#undef ELF_CLASS
|
|
|
|
#endif
|
2006-04-23 17:12:42 +00:00
|
|
|
|
|
|
|
#define ELF_CLASS ELFCLASS32
|
|
|
|
#include "elf.h"
|
|
|
|
|
|
|
|
#define SZ 32
|
|
|
|
#define elf_word uint32_t
|
2007-10-17 23:07:31 +00:00
|
|
|
#define elf_sword int32_t
|
2006-04-23 17:12:42 +00:00
|
|
|
#define bswapSZs bswap32s
|
|
|
|
#include "elf_ops.h"
|
|
|
|
|
|
|
|
#undef elfhdr
|
|
|
|
#undef elf_phdr
|
|
|
|
#undef elf_shdr
|
|
|
|
#undef elf_sym
|
|
|
|
#undef elf_note
|
|
|
|
#undef elf_word
|
2007-10-17 23:07:31 +00:00
|
|
|
#undef elf_sword
|
2006-04-23 17:12:42 +00:00
|
|
|
#undef bswapSZs
|
|
|
|
#undef SZ
|
|
|
|
#define elfhdr elf64_hdr
|
|
|
|
#define elf_phdr elf64_phdr
|
|
|
|
#define elf_note elf64_note
|
|
|
|
#define elf_shdr elf64_shdr
|
|
|
|
#define elf_sym elf64_sym
|
|
|
|
#define elf_word uint64_t
|
2007-10-17 23:07:31 +00:00
|
|
|
#define elf_sword int64_t
|
2006-04-23 17:12:42 +00:00
|
|
|
#define bswapSZs bswap64s
|
|
|
|
#define SZ 64
|
|
|
|
#include "elf_ops.h"
|
|
|
|
|
|
|
|
/* return < 0 if error, otherwise the number of bytes loaded in memory */
|
2008-10-22 18:20:20 +00:00
|
|
|
int load_elf(const char *filename, int64_t address_offset,
|
2009-09-20 14:58:02 +00:00
|
|
|
uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr,
|
|
|
|
int big_endian, int elf_machine, int clear_lsb)
|
2006-04-23 17:12:42 +00:00
|
|
|
{
|
2009-09-20 14:58:02 +00:00
|
|
|
int fd, data_order, target_data_order, must_swab, ret;
|
2006-04-23 17:12:42 +00:00
|
|
|
uint8_t e_ident[EI_NIDENT];
|
|
|
|
|
2006-05-07 18:06:27 +00:00
|
|
|
fd = open(filename, O_RDONLY | O_BINARY);
|
2006-04-23 17:12:42 +00:00
|
|
|
if (fd < 0) {
|
|
|
|
perror(filename);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if (read(fd, e_ident, sizeof(e_ident)) != sizeof(e_ident))
|
|
|
|
goto fail;
|
|
|
|
if (e_ident[0] != ELFMAG0 ||
|
|
|
|
e_ident[1] != ELFMAG1 ||
|
|
|
|
e_ident[2] != ELFMAG2 ||
|
|
|
|
e_ident[3] != ELFMAG3)
|
|
|
|
goto fail;
|
2009-07-27 14:13:06 +00:00
|
|
|
#ifdef HOST_WORDS_BIGENDIAN
|
2006-04-23 17:12:42 +00:00
|
|
|
data_order = ELFDATA2MSB;
|
|
|
|
#else
|
|
|
|
data_order = ELFDATA2LSB;
|
|
|
|
#endif
|
|
|
|
must_swab = data_order != e_ident[EI_DATA];
|
2009-09-20 14:58:02 +00:00
|
|
|
if (big_endian) {
|
|
|
|
target_data_order = ELFDATA2MSB;
|
|
|
|
} else {
|
|
|
|
target_data_order = ELFDATA2LSB;
|
|
|
|
}
|
2006-12-23 14:18:40 +00:00
|
|
|
|
2009-09-20 14:58:02 +00:00
|
|
|
if (target_data_order != e_ident[EI_DATA])
|
2006-12-23 14:18:40 +00:00
|
|
|
return -1;
|
|
|
|
|
2006-04-23 17:12:42 +00:00
|
|
|
lseek(fd, 0, SEEK_SET);
|
|
|
|
if (e_ident[EI_CLASS] == ELFCLASS64) {
|
2008-10-22 18:20:20 +00:00
|
|
|
ret = load_elf64(fd, address_offset, must_swab, pentry,
|
2009-09-20 14:58:02 +00:00
|
|
|
lowaddr, highaddr, elf_machine, clear_lsb);
|
2006-04-23 17:12:42 +00:00
|
|
|
} else {
|
2008-10-22 18:20:20 +00:00
|
|
|
ret = load_elf32(fd, address_offset, must_swab, pentry,
|
2009-09-20 14:58:02 +00:00
|
|
|
lowaddr, highaddr, elf_machine, clear_lsb);
|
2006-04-23 17:12:42 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
close(fd);
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
fail:
|
|
|
|
close(fd);
|
|
|
|
return -1;
|
|
|
|
}
|
2007-03-06 23:52:01 +00:00
|
|
|
|
2009-10-01 18:20:47 +00:00
|
|
|
static void bswap_uboot_header(an_uboot_image_header *hdr)
|
2007-03-06 23:52:01 +00:00
|
|
|
{
|
2009-07-27 14:13:06 +00:00
|
|
|
#ifndef HOST_WORDS_BIGENDIAN
|
2007-03-06 23:52:01 +00:00
|
|
|
bswap32s(&hdr->ih_magic);
|
|
|
|
bswap32s(&hdr->ih_hcrc);
|
|
|
|
bswap32s(&hdr->ih_time);
|
|
|
|
bswap32s(&hdr->ih_size);
|
|
|
|
bswap32s(&hdr->ih_load);
|
|
|
|
bswap32s(&hdr->ih_ep);
|
|
|
|
bswap32s(&hdr->ih_dcrc);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2008-11-20 22:04:01 +00:00
|
|
|
|
|
|
|
#define ZALLOC_ALIGNMENT 16
|
|
|
|
|
|
|
|
static void *zalloc(void *x, unsigned items, unsigned size)
|
|
|
|
{
|
|
|
|
void *p;
|
|
|
|
|
|
|
|
size *= items;
|
|
|
|
size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
|
|
|
|
|
|
|
|
p = qemu_malloc(size);
|
|
|
|
|
|
|
|
return (p);
|
|
|
|
}
|
|
|
|
|
2009-06-09 21:36:03 +00:00
|
|
|
static void zfree(void *x, void *addr)
|
2008-11-20 22:04:01 +00:00
|
|
|
{
|
|
|
|
qemu_free(addr);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#define HEAD_CRC 2
|
|
|
|
#define EXTRA_FIELD 4
|
|
|
|
#define ORIG_NAME 8
|
|
|
|
#define COMMENT 0x10
|
|
|
|
#define RESERVED 0xe0
|
|
|
|
|
|
|
|
#define DEFLATED 8
|
|
|
|
|
|
|
|
/* This is the maximum in uboot, so if a uImage overflows this, it would
|
|
|
|
* overflow on real hardware too. */
|
|
|
|
#define UBOOT_MAX_GUNZIP_BYTES 0x800000
|
|
|
|
|
|
|
|
static ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src,
|
|
|
|
size_t srclen)
|
|
|
|
{
|
|
|
|
z_stream s;
|
|
|
|
ssize_t dstbytes;
|
|
|
|
int r, i, flags;
|
|
|
|
|
|
|
|
/* skip header */
|
|
|
|
i = 10;
|
|
|
|
flags = src[3];
|
|
|
|
if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
|
|
|
|
puts ("Error: Bad gzipped data\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
if ((flags & EXTRA_FIELD) != 0)
|
|
|
|
i = 12 + src[10] + (src[11] << 8);
|
|
|
|
if ((flags & ORIG_NAME) != 0)
|
|
|
|
while (src[i++] != 0)
|
|
|
|
;
|
|
|
|
if ((flags & COMMENT) != 0)
|
|
|
|
while (src[i++] != 0)
|
|
|
|
;
|
|
|
|
if ((flags & HEAD_CRC) != 0)
|
|
|
|
i += 2;
|
|
|
|
if (i >= srclen) {
|
|
|
|
puts ("Error: gunzip out of data in header\n");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
s.zalloc = zalloc;
|
2009-06-09 21:36:03 +00:00
|
|
|
s.zfree = zfree;
|
2008-11-20 22:04:01 +00:00
|
|
|
|
|
|
|
r = inflateInit2(&s, -MAX_WBITS);
|
|
|
|
if (r != Z_OK) {
|
|
|
|
printf ("Error: inflateInit2() returned %d\n", r);
|
|
|
|
return (-1);
|
|
|
|
}
|
|
|
|
s.next_in = src + i;
|
|
|
|
s.avail_in = srclen - i;
|
|
|
|
s.next_out = dst;
|
|
|
|
s.avail_out = dstlen;
|
|
|
|
r = inflate(&s, Z_FINISH);
|
|
|
|
if (r != Z_OK && r != Z_STREAM_END) {
|
|
|
|
printf ("Error: inflate() returned %d\n", r);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
dstbytes = s.next_out - (unsigned char *) dst;
|
|
|
|
inflateEnd(&s);
|
|
|
|
|
|
|
|
return dstbytes;
|
|
|
|
}
|
|
|
|
|
2007-03-06 23:52:01 +00:00
|
|
|
/* Load a U-Boot image. */
|
2009-10-01 18:20:47 +00:00
|
|
|
int load_uimage(const char *filename, a_target_phys_addr *ep,
|
|
|
|
a_target_phys_addr *loadaddr, int *is_linux)
|
2007-03-06 23:52:01 +00:00
|
|
|
{
|
|
|
|
int fd;
|
|
|
|
int size;
|
2009-10-01 18:20:47 +00:00
|
|
|
an_uboot_image_header h;
|
|
|
|
an_uboot_image_header *hdr = &h;
|
2007-03-06 23:52:01 +00:00
|
|
|
uint8_t *data = NULL;
|
2008-11-20 22:02:56 +00:00
|
|
|
int ret = -1;
|
2007-03-06 23:52:01 +00:00
|
|
|
|
|
|
|
fd = open(filename, O_RDONLY | O_BINARY);
|
|
|
|
if (fd < 0)
|
|
|
|
return -1;
|
|
|
|
|
2009-10-01 18:20:47 +00:00
|
|
|
size = read(fd, hdr, sizeof(an_uboot_image_header));
|
2007-03-06 23:52:01 +00:00
|
|
|
if (size < 0)
|
2008-11-20 22:02:56 +00:00
|
|
|
goto out;
|
2007-03-06 23:52:01 +00:00
|
|
|
|
|
|
|
bswap_uboot_header(hdr);
|
|
|
|
|
|
|
|
if (hdr->ih_magic != IH_MAGIC)
|
2008-11-20 22:02:56 +00:00
|
|
|
goto out;
|
2007-03-06 23:52:01 +00:00
|
|
|
|
2008-11-20 22:15:46 +00:00
|
|
|
/* TODO: Implement other image types. */
|
|
|
|
if (hdr->ih_type != IH_TYPE_KERNEL) {
|
|
|
|
fprintf(stderr, "Can only load u-boot image type \"kernel\"\n");
|
2008-11-20 22:02:56 +00:00
|
|
|
goto out;
|
2007-03-06 23:52:01 +00:00
|
|
|
}
|
|
|
|
|
2008-11-20 22:04:01 +00:00
|
|
|
switch (hdr->ih_comp) {
|
|
|
|
case IH_COMP_NONE:
|
|
|
|
case IH_COMP_GZIP:
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
fprintf(stderr,
|
|
|
|
"Unable to load u-boot images with compression type %d\n",
|
|
|
|
hdr->ih_comp);
|
2008-11-20 22:02:56 +00:00
|
|
|
goto out;
|
2007-03-06 23:52:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* TODO: Check CPU type. */
|
|
|
|
if (is_linux) {
|
2008-11-20 22:15:46 +00:00
|
|
|
if (hdr->ih_os == IH_OS_LINUX)
|
2007-03-06 23:52:01 +00:00
|
|
|
*is_linux = 1;
|
|
|
|
else
|
|
|
|
*is_linux = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
*ep = hdr->ih_ep;
|
|
|
|
data = qemu_malloc(hdr->ih_size);
|
|
|
|
|
|
|
|
if (read(fd, data, hdr->ih_size) != hdr->ih_size) {
|
|
|
|
fprintf(stderr, "Error reading file\n");
|
2008-11-20 22:02:56 +00:00
|
|
|
goto out;
|
2007-03-06 23:52:01 +00:00
|
|
|
}
|
|
|
|
|
2008-11-20 22:04:01 +00:00
|
|
|
if (hdr->ih_comp == IH_COMP_GZIP) {
|
|
|
|
uint8_t *compressed_data;
|
|
|
|
size_t max_bytes;
|
|
|
|
ssize_t bytes;
|
|
|
|
|
|
|
|
compressed_data = data;
|
|
|
|
max_bytes = UBOOT_MAX_GUNZIP_BYTES;
|
|
|
|
data = qemu_malloc(max_bytes);
|
|
|
|
|
|
|
|
bytes = gunzip(data, max_bytes, compressed_data, hdr->ih_size);
|
|
|
|
qemu_free(compressed_data);
|
|
|
|
if (bytes < 0) {
|
|
|
|
fprintf(stderr, "Unable to decompress gzipped image!\n");
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
hdr->ih_size = bytes;
|
|
|
|
}
|
|
|
|
|
2007-03-06 23:52:01 +00:00
|
|
|
cpu_physical_memory_write_rom(hdr->ih_load, data, hdr->ih_size);
|
|
|
|
|
2008-11-20 22:11:52 +00:00
|
|
|
if (loadaddr)
|
|
|
|
*loadaddr = hdr->ih_load;
|
|
|
|
|
2008-11-20 22:02:56 +00:00
|
|
|
ret = hdr->ih_size;
|
2007-03-06 23:52:01 +00:00
|
|
|
|
2008-11-20 22:02:56 +00:00
|
|
|
out:
|
2007-03-06 23:52:01 +00:00
|
|
|
if (data)
|
|
|
|
qemu_free(data);
|
|
|
|
close(fd);
|
2008-11-20 22:02:56 +00:00
|
|
|
return ret;
|
2007-03-06 23:52:01 +00:00
|
|
|
}
|