Similarly to what has been done in e405a2ba91
,
ignore rom intended to be loaded by the bios in find_rom() and rom_copy().
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
784 lines
19 KiB
C
784 lines
19 KiB
C
/*
|
|
* QEMU Executable loader
|
|
*
|
|
* Copyright (c) 2006 Fabrice Bellard
|
|
*
|
|
* 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.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "hw.h"
|
|
#include "disas.h"
|
|
#include "monitor.h"
|
|
#include "sysemu.h"
|
|
#include "uboot_image.h"
|
|
#include "loader.h"
|
|
#include "fw_cfg.h"
|
|
|
|
#include <zlib.h>
|
|
|
|
static int roms_loaded;
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|
|
|
/* 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;
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|
size = lseek(fd, 0, SEEK_END);
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|
close(fd);
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|
return size;
|
|
}
|
|
|
|
/* return the size or -1 if error */
|
|
/* deprecated, because caller does not specify buffer size! */
|
|
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);
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|
if (read(fd, addr, size) != size) {
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|
close(fd);
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|
return -1;
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|
}
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|
close(fd);
|
|
return size;
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|
}
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|
|
|
/* read()-like version */
|
|
int read_targphys(const char *name,
|
|
int fd, target_phys_addr_t dst_addr, size_t nbytes)
|
|
{
|
|
uint8_t *buf;
|
|
size_t did;
|
|
|
|
buf = qemu_malloc(nbytes);
|
|
did = read(fd, buf, nbytes);
|
|
if (did > 0)
|
|
rom_add_blob_fixed("read", buf, did, dst_addr);
|
|
qemu_free(buf);
|
|
return did;
|
|
}
|
|
|
|
/* return the size or -1 if error */
|
|
int load_image_targphys(const char *filename,
|
|
target_phys_addr_t addr, int max_sz)
|
|
{
|
|
int size;
|
|
|
|
size = get_image_size(filename);
|
|
if (size > 0)
|
|
rom_add_file_fixed(filename, addr);
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|
return size;
|
|
}
|
|
|
|
void pstrcpy_targphys(const char *name, target_phys_addr_t dest, int buf_size,
|
|
const char *source)
|
|
{
|
|
const char *nulp;
|
|
char *ptr;
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|
|
|
if (buf_size <= 0) return;
|
|
nulp = memchr(source, 0, buf_size);
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|
if (nulp) {
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rom_add_blob_fixed(name, source, (nulp - source) + 1, dest);
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|
} else {
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|
rom_add_blob_fixed(name, source, buf_size, dest);
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ptr = rom_ptr(dest + buf_size - 1);
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*ptr = 0;
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}
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}
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|
|
|
/* A.OUT loader */
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|
|
|
struct exec
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|
{
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uint32_t a_info; /* Use macros N_MAGIC, etc for access */
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uint32_t a_text; /* length of text, in bytes */
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|
uint32_t a_data; /* length of data, in bytes */
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|
uint32_t a_bss; /* length of uninitialized data area, in bytes */
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|
uint32_t a_syms; /* length of symbol table data in file, in bytes */
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|
uint32_t a_entry; /* start address */
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|
uint32_t a_trsize; /* length of relocation info for text, in bytes */
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uint32_t a_drsize; /* length of relocation info for data, in bytes */
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|
};
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|
|
|
static void bswap_ahdr(struct exec *e)
|
|
{
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bswap32s(&e->a_info);
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bswap32s(&e->a_text);
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bswap32s(&e->a_data);
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bswap32s(&e->a_bss);
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bswap32s(&e->a_syms);
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bswap32s(&e->a_entry);
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|
bswap32s(&e->a_trsize);
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bswap32s(&e->a_drsize);
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|
}
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|
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|
#define N_MAGIC(exec) ((exec).a_info & 0xffff)
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#define OMAGIC 0407
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#define NMAGIC 0410
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#define ZMAGIC 0413
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#define QMAGIC 0314
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#define _N_HDROFF(x) (1024 - sizeof (struct exec))
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#define N_TXTOFF(x) \
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(N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \
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(N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec)))
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|
#define N_TXTADDR(x, target_page_size) (N_MAGIC(x) == QMAGIC ? target_page_size : 0)
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#define _N_SEGMENT_ROUND(x, target_page_size) (((x) + target_page_size - 1) & ~(target_page_size - 1))
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|
#define _N_TXTENDADDR(x, target_page_size) (N_TXTADDR(x, target_page_size)+(x).a_text)
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|
#define N_DATADDR(x, target_page_size) \
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(N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x, target_page_size)) \
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: (_N_SEGMENT_ROUND (_N_TXTENDADDR(x, target_page_size), target_page_size)))
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|
|
|
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|
int load_aout(const char *filename, target_phys_addr_t addr, int max_sz,
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|
int bswap_needed, target_phys_addr_t target_page_size)
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|
{
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|
int fd, size, ret;
|
|
struct exec e;
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|
uint32_t magic;
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|
fd = open(filename, O_RDONLY | O_BINARY);
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|
if (fd < 0)
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|
return -1;
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|
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|
size = read(fd, &e, sizeof(e));
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|
if (size < 0)
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|
goto fail;
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|
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|
if (bswap_needed) {
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|
bswap_ahdr(&e);
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|
}
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|
|
|
magic = N_MAGIC(e);
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|
switch (magic) {
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|
case ZMAGIC:
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|
case QMAGIC:
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|
case OMAGIC:
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|
if (e.a_text + e.a_data > max_sz)
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|
goto fail;
|
|
lseek(fd, N_TXTOFF(e), SEEK_SET);
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|
size = read_targphys(filename, fd, addr, e.a_text + e.a_data);
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|
if (size < 0)
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|
goto fail;
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|
break;
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|
case NMAGIC:
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|
if (N_DATADDR(e, target_page_size) + e.a_data > max_sz)
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|
goto fail;
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|
lseek(fd, N_TXTOFF(e), SEEK_SET);
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|
size = read_targphys(filename, fd, addr, e.a_text);
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|
if (size < 0)
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|
goto fail;
|
|
ret = read_targphys(filename, fd, addr + N_DATADDR(e, target_page_size),
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|
e.a_data);
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|
if (ret < 0)
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|
goto fail;
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|
size += ret;
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|
break;
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|
default:
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|
goto fail;
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|
}
|
|
close(fd);
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|
return size;
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|
fail:
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
/* ELF loader */
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|
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|
static void *load_at(int fd, int offset, int size)
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|
{
|
|
void *ptr;
|
|
if (lseek(fd, offset, SEEK_SET) < 0)
|
|
return NULL;
|
|
ptr = qemu_malloc(size);
|
|
if (read(fd, ptr, size) != size) {
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|
qemu_free(ptr);
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|
return NULL;
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
#ifdef ELF_CLASS
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|
#undef ELF_CLASS
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|
#endif
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|
|
|
#define ELF_CLASS ELFCLASS32
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|
#include "elf.h"
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|
|
|
#define SZ 32
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|
#define elf_word uint32_t
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|
#define elf_sword int32_t
|
|
#define bswapSZs bswap32s
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|
#include "elf_ops.h"
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|
|
|
#undef elfhdr
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|
#undef elf_phdr
|
|
#undef elf_shdr
|
|
#undef elf_sym
|
|
#undef elf_note
|
|
#undef elf_word
|
|
#undef elf_sword
|
|
#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
|
|
#define elf_sword int64_t
|
|
#define bswapSZs bswap64s
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|
#define SZ 64
|
|
#include "elf_ops.h"
|
|
|
|
/* return < 0 if error, otherwise the number of bytes loaded in memory */
|
|
int load_elf(const char *filename, int64_t address_offset,
|
|
uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr,
|
|
int big_endian, int elf_machine, int clear_lsb)
|
|
{
|
|
int fd, data_order, target_data_order, must_swab, ret;
|
|
uint8_t e_ident[EI_NIDENT];
|
|
|
|
fd = open(filename, O_RDONLY | O_BINARY);
|
|
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;
|
|
#ifdef HOST_WORDS_BIGENDIAN
|
|
data_order = ELFDATA2MSB;
|
|
#else
|
|
data_order = ELFDATA2LSB;
|
|
#endif
|
|
must_swab = data_order != e_ident[EI_DATA];
|
|
if (big_endian) {
|
|
target_data_order = ELFDATA2MSB;
|
|
} else {
|
|
target_data_order = ELFDATA2LSB;
|
|
}
|
|
|
|
if (target_data_order != e_ident[EI_DATA])
|
|
return -1;
|
|
|
|
lseek(fd, 0, SEEK_SET);
|
|
if (e_ident[EI_CLASS] == ELFCLASS64) {
|
|
ret = load_elf64(filename, fd, address_offset, must_swab, pentry,
|
|
lowaddr, highaddr, elf_machine, clear_lsb);
|
|
} else {
|
|
ret = load_elf32(filename, fd, address_offset, must_swab, pentry,
|
|
lowaddr, highaddr, elf_machine, clear_lsb);
|
|
}
|
|
|
|
close(fd);
|
|
return ret;
|
|
|
|
fail:
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
static void bswap_uboot_header(uboot_image_header_t *hdr)
|
|
{
|
|
#ifndef HOST_WORDS_BIGENDIAN
|
|
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
|
|
}
|
|
|
|
|
|
#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);
|
|
}
|
|
|
|
static void zfree(void *x, void *addr)
|
|
{
|
|
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;
|
|
s.zfree = zfree;
|
|
|
|
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;
|
|
}
|
|
|
|
/* Load a U-Boot image. */
|
|
int load_uimage(const char *filename, target_phys_addr_t *ep,
|
|
target_phys_addr_t *loadaddr, int *is_linux)
|
|
{
|
|
int fd;
|
|
int size;
|
|
uboot_image_header_t h;
|
|
uboot_image_header_t *hdr = &h;
|
|
uint8_t *data = NULL;
|
|
int ret = -1;
|
|
|
|
fd = open(filename, O_RDONLY | O_BINARY);
|
|
if (fd < 0)
|
|
return -1;
|
|
|
|
size = read(fd, hdr, sizeof(uboot_image_header_t));
|
|
if (size < 0)
|
|
goto out;
|
|
|
|
bswap_uboot_header(hdr);
|
|
|
|
if (hdr->ih_magic != IH_MAGIC)
|
|
goto out;
|
|
|
|
/* TODO: Implement other image types. */
|
|
if (hdr->ih_type != IH_TYPE_KERNEL) {
|
|
fprintf(stderr, "Can only load u-boot image type \"kernel\"\n");
|
|
goto out;
|
|
}
|
|
|
|
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);
|
|
goto out;
|
|
}
|
|
|
|
/* TODO: Check CPU type. */
|
|
if (is_linux) {
|
|
if (hdr->ih_os == IH_OS_LINUX)
|
|
*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");
|
|
goto out;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
rom_add_blob_fixed(filename, data, hdr->ih_size, hdr->ih_load);
|
|
|
|
if (loadaddr)
|
|
*loadaddr = hdr->ih_load;
|
|
|
|
ret = hdr->ih_size;
|
|
|
|
out:
|
|
if (data)
|
|
qemu_free(data);
|
|
close(fd);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Functions for reboot-persistent memory regions.
|
|
* - used for vga bios and option roms.
|
|
* - also linux kernel (-kernel / -initrd).
|
|
*/
|
|
|
|
typedef struct Rom Rom;
|
|
|
|
struct Rom {
|
|
char *name;
|
|
char *path;
|
|
size_t romsize;
|
|
uint8_t *data;
|
|
int isrom;
|
|
char *fw_dir;
|
|
char *fw_file;
|
|
|
|
target_phys_addr_t addr;
|
|
QTAILQ_ENTRY(Rom) next;
|
|
};
|
|
|
|
static QTAILQ_HEAD(, Rom) roms = QTAILQ_HEAD_INITIALIZER(roms);
|
|
int rom_enable_driver_roms;
|
|
|
|
static void rom_insert(Rom *rom)
|
|
{
|
|
Rom *item;
|
|
|
|
if (roms_loaded) {
|
|
hw_error ("ROM images must be loaded at startup\n");
|
|
}
|
|
|
|
/* list is ordered by load address */
|
|
QTAILQ_FOREACH(item, &roms, next) {
|
|
if (rom->addr >= item->addr)
|
|
continue;
|
|
QTAILQ_INSERT_BEFORE(item, rom, next);
|
|
return;
|
|
}
|
|
QTAILQ_INSERT_TAIL(&roms, rom, next);
|
|
}
|
|
|
|
int rom_add_file(const char *file, const char *fw_dir, const char *fw_file,
|
|
target_phys_addr_t addr)
|
|
{
|
|
Rom *rom;
|
|
int rc, fd = -1;
|
|
|
|
rom = qemu_mallocz(sizeof(*rom));
|
|
rom->name = qemu_strdup(file);
|
|
rom->path = qemu_find_file(QEMU_FILE_TYPE_BIOS, rom->name);
|
|
if (rom->path == NULL) {
|
|
rom->path = qemu_strdup(file);
|
|
}
|
|
|
|
fd = open(rom->path, O_RDONLY | O_BINARY);
|
|
if (fd == -1) {
|
|
fprintf(stderr, "Could not open option rom '%s': %s\n",
|
|
rom->path, strerror(errno));
|
|
goto err;
|
|
}
|
|
|
|
rom->fw_dir = fw_dir ? qemu_strdup(fw_dir) : NULL;
|
|
rom->fw_file = fw_file ? qemu_strdup(fw_file) : NULL;
|
|
rom->addr = addr;
|
|
rom->romsize = lseek(fd, 0, SEEK_END);
|
|
rom->data = qemu_mallocz(rom->romsize);
|
|
lseek(fd, 0, SEEK_SET);
|
|
rc = read(fd, rom->data, rom->romsize);
|
|
if (rc != rom->romsize) {
|
|
fprintf(stderr, "rom: file %-20s: read error: rc=%d (expected %zd)\n",
|
|
rom->name, rc, rom->romsize);
|
|
goto err;
|
|
}
|
|
close(fd);
|
|
rom_insert(rom);
|
|
return 0;
|
|
|
|
err:
|
|
if (fd != -1)
|
|
close(fd);
|
|
qemu_free(rom->data);
|
|
qemu_free(rom->path);
|
|
qemu_free(rom->name);
|
|
qemu_free(rom);
|
|
return -1;
|
|
}
|
|
|
|
int rom_add_blob(const char *name, const void *blob, size_t len,
|
|
target_phys_addr_t addr)
|
|
{
|
|
Rom *rom;
|
|
|
|
rom = qemu_mallocz(sizeof(*rom));
|
|
rom->name = qemu_strdup(name);
|
|
rom->addr = addr;
|
|
rom->romsize = len;
|
|
rom->data = qemu_mallocz(rom->romsize);
|
|
memcpy(rom->data, blob, len);
|
|
rom_insert(rom);
|
|
return 0;
|
|
}
|
|
|
|
int rom_add_vga(const char *file)
|
|
{
|
|
if (!rom_enable_driver_roms)
|
|
return 0;
|
|
return rom_add_file(file, "vgaroms", file, 0);
|
|
}
|
|
|
|
int rom_add_option(const char *file)
|
|
{
|
|
if (!rom_enable_driver_roms)
|
|
return 0;
|
|
return rom_add_file(file, "genroms", file, 0);
|
|
}
|
|
|
|
static void rom_reset(void *unused)
|
|
{
|
|
Rom *rom;
|
|
|
|
QTAILQ_FOREACH(rom, &roms, next) {
|
|
if (rom->fw_file) {
|
|
continue;
|
|
}
|
|
if (rom->data == NULL)
|
|
continue;
|
|
cpu_physical_memory_write_rom(rom->addr, rom->data, rom->romsize);
|
|
if (rom->isrom) {
|
|
/* rom needs to be written only once */
|
|
qemu_free(rom->data);
|
|
rom->data = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
int rom_load_all(void)
|
|
{
|
|
target_phys_addr_t addr = 0;
|
|
int memtype;
|
|
Rom *rom;
|
|
|
|
QTAILQ_FOREACH(rom, &roms, next) {
|
|
if (rom->fw_file) {
|
|
continue;
|
|
}
|
|
if (addr > rom->addr) {
|
|
fprintf(stderr, "rom: requested regions overlap "
|
|
"(rom %s. free=0x" TARGET_FMT_plx
|
|
", addr=0x" TARGET_FMT_plx ")\n",
|
|
rom->name, addr, rom->addr);
|
|
return -1;
|
|
}
|
|
addr = rom->addr;
|
|
addr += rom->romsize;
|
|
memtype = cpu_get_physical_page_desc(rom->addr) & (3 << IO_MEM_SHIFT);
|
|
if (memtype == IO_MEM_ROM)
|
|
rom->isrom = 1;
|
|
}
|
|
qemu_register_reset(rom_reset, NULL);
|
|
roms_loaded = 1;
|
|
return 0;
|
|
}
|
|
|
|
int rom_load_fw(void *fw_cfg)
|
|
{
|
|
Rom *rom;
|
|
|
|
QTAILQ_FOREACH(rom, &roms, next) {
|
|
if (!rom->fw_file)
|
|
continue;
|
|
fw_cfg_add_file(fw_cfg, rom->fw_dir, rom->fw_file, rom->data, rom->romsize);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static Rom *find_rom(target_phys_addr_t addr)
|
|
{
|
|
Rom *rom;
|
|
|
|
QTAILQ_FOREACH(rom, &roms, next) {
|
|
if (rom->fw_file) {
|
|
continue;
|
|
}
|
|
if (rom->addr > addr)
|
|
continue;
|
|
if (rom->addr + rom->romsize < addr)
|
|
continue;
|
|
return rom;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Copies memory from registered ROMs to dest. Any memory that is contained in
|
|
* a ROM between addr and addr + size is copied. Note that this can involve
|
|
* multiple ROMs, which need not start at addr and need not end at addr + size.
|
|
*/
|
|
int rom_copy(uint8_t *dest, target_phys_addr_t addr, size_t size)
|
|
{
|
|
target_phys_addr_t end = addr + size;
|
|
uint8_t *s, *d = dest;
|
|
size_t l = 0;
|
|
Rom *rom;
|
|
|
|
QTAILQ_FOREACH(rom, &roms, next) {
|
|
if (rom->fw_file) {
|
|
continue;
|
|
}
|
|
if (rom->addr + rom->romsize < addr)
|
|
continue;
|
|
if (rom->addr > end)
|
|
break;
|
|
if (!rom->data)
|
|
continue;
|
|
|
|
d = dest + (rom->addr - addr);
|
|
s = rom->data;
|
|
l = rom->romsize;
|
|
|
|
if (rom->addr < addr) {
|
|
d = dest;
|
|
s += (addr - rom->addr);
|
|
l -= (addr - rom->addr);
|
|
}
|
|
if ((d + l) > (dest + size)) {
|
|
l = dest - d;
|
|
}
|
|
|
|
memcpy(d, s, l);
|
|
}
|
|
|
|
return (d + l) - dest;
|
|
}
|
|
|
|
void *rom_ptr(target_phys_addr_t addr)
|
|
{
|
|
Rom *rom;
|
|
|
|
rom = find_rom(addr);
|
|
if (!rom || !rom->data)
|
|
return NULL;
|
|
return rom->data + (addr - rom->addr);
|
|
}
|
|
|
|
void do_info_roms(Monitor *mon)
|
|
{
|
|
Rom *rom;
|
|
|
|
QTAILQ_FOREACH(rom, &roms, next) {
|
|
if (!rom->fw_file) {
|
|
monitor_printf(mon, "addr=" TARGET_FMT_plx
|
|
" size=0x%06zx mem=%s name=\"%s\" \n",
|
|
rom->addr, rom->romsize,
|
|
rom->isrom ? "rom" : "ram",
|
|
rom->name);
|
|
} else {
|
|
monitor_printf(mon, "fw=%s%s%s"
|
|
" size=0x%06zx name=\"%s\" \n",
|
|
rom->fw_dir ? rom->fw_dir : "",
|
|
rom->fw_dir ? "/" : "",
|
|
rom->fw_file,
|
|
rom->romsize,
|
|
rom->name);
|
|
}
|
|
}
|
|
}
|