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authorPaolo Bonzini <pbonzini@redhat.com>2013-03-01 13:59:19 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:12 +0200
commit49ab747f668f421138d5b40d83fa279c4c5e278d (patch)
tree943225a04eac885aed038731adf058f2250a2f40 /hw/loader.c
parentce3b494cb504f96992f2d37ebc8f56deed202b06 (diff)
hw: move target-independent files to subdirectories
This patch tackles all files that are compiled once, moving them to subdirectories of hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/loader.c')
-rw-r--r--hw/loader.c850
1 files changed, 0 insertions, 850 deletions
diff --git a/hw/loader.c b/hw/loader.c
deleted file mode 100644
index 2f5072dfa2..0000000000
--- a/hw/loader.c
+++ /dev/null
@@ -1,850 +0,0 @@
-/*
- * 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/hw.h"
-#include "disas/disas.h"
-#include "monitor/monitor.h"
-#include "sysemu/sysemu.h"
-#include "hw/uboot_image.h"
-#include "hw/loader.h"
-#include "hw/nvram/fw_cfg.h"
-#include "exec/memory.h"
-#include "exec/address-spaces.h"
-
-#include <zlib.h>
-
-static int roms_loaded;
-
-/* 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 */
-/* 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);
- if (read(fd, addr, size) != size) {
- close(fd);
- return -1;
- }
- close(fd);
- return size;
-}
-
-/* read()-like version */
-ssize_t read_targphys(const char *name,
- int fd, hwaddr dst_addr, size_t nbytes)
-{
- uint8_t *buf;
- ssize_t did;
-
- buf = g_malloc(nbytes);
- did = read(fd, buf, nbytes);
- if (did > 0)
- rom_add_blob_fixed("read", buf, did, dst_addr);
- g_free(buf);
- return did;
-}
-
-/* return the size or -1 if error */
-int load_image_targphys(const char *filename,
- hwaddr addr, uint64_t max_sz)
-{
- int size;
-
- size = get_image_size(filename);
- if (size > max_sz) {
- return -1;
- }
- if (size > 0) {
- rom_add_file_fixed(filename, addr, -1);
- }
- return size;
-}
-
-void pstrcpy_targphys(const char *name, hwaddr dest, int buf_size,
- const char *source)
-{
- const char *nulp;
- char *ptr;
-
- if (buf_size <= 0) return;
- nulp = memchr(source, 0, buf_size);
- if (nulp) {
- rom_add_blob_fixed(name, source, (nulp - source) + 1, dest);
- } else {
- rom_add_blob_fixed(name, source, buf_size, dest);
- ptr = rom_ptr(dest + buf_size - 1);
- *ptr = 0;
- }
-}
-
-/* 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)))
-#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))
-
-#define _N_TXTENDADDR(x, target_page_size) (N_TXTADDR(x, target_page_size)+(x).a_text)
-
-#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)))
-
-
-int load_aout(const char *filename, hwaddr addr, int max_sz,
- int bswap_needed, hwaddr target_page_size)
-{
- int fd;
- ssize_t 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;
-
- if (bswap_needed) {
- bswap_ahdr(&e);
- }
-
- magic = N_MAGIC(e);
- switch (magic) {
- case ZMAGIC:
- case QMAGIC:
- case OMAGIC:
- if (e.a_text + e.a_data > max_sz)
- goto fail;
- lseek(fd, N_TXTOFF(e), SEEK_SET);
- size = read_targphys(filename, fd, addr, e.a_text + e.a_data);
- if (size < 0)
- goto fail;
- break;
- case NMAGIC:
- if (N_DATADDR(e, target_page_size) + e.a_data > max_sz)
- goto fail;
- lseek(fd, N_TXTOFF(e), SEEK_SET);
- size = read_targphys(filename, fd, addr, e.a_text);
- if (size < 0)
- goto fail;
- ret = read_targphys(filename, fd, addr + N_DATADDR(e, target_page_size),
- e.a_data);
- 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 = g_malloc(size);
- if (read(fd, ptr, size) != size) {
- g_free(ptr);
- return NULL;
- }
- return ptr;
-}
-
-#ifdef ELF_CLASS
-#undef ELF_CLASS
-#endif
-
-#define ELF_CLASS ELFCLASS32
-#include "elf.h"
-
-#define SZ 32
-#define elf_word uint32_t
-#define elf_sword int32_t
-#define bswapSZs bswap32s
-#include "hw/elf_ops.h"
-
-#undef elfhdr
-#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
-#define SZ 64
-#include "hw/elf_ops.h"
-
-/* return < 0 if error, otherwise the number of bytes loaded in memory */
-int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t),
- void *translate_opaque, 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]) {
- goto fail;
- }
-
- lseek(fd, 0, SEEK_SET);
- if (e_ident[EI_CLASS] == ELFCLASS64) {
- ret = load_elf64(filename, fd, translate_fn, translate_opaque, must_swab,
- pentry, lowaddr, highaddr, elf_machine, clear_lsb);
- } else {
- ret = load_elf32(filename, fd, translate_fn, translate_opaque, 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 = g_malloc(size);
-
- return (p);
-}
-
-static void zfree(void *x, void *addr)
-{
- g_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 usual maximum in uboot, so if a uImage overflows this, it would
- * overflow on real hardware too. */
-#define UBOOT_MAX_GUNZIP_BYTES (64 << 20)
-
-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, hwaddr *ep,
- hwaddr *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 = g_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 = g_malloc(max_bytes);
-
- bytes = gunzip(data, max_bytes, compressed_data, hdr->ih_size);
- g_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)
- g_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;
-
- /* datasize is the amount of memory allocated in "data". If datasize is less
- * than romsize, it means that the area from datasize to romsize is filled
- * with zeros.
- */
- size_t romsize;
- size_t datasize;
-
- uint8_t *data;
- int isrom;
- char *fw_dir;
- char *fw_file;
-
- hwaddr addr;
- QTAILQ_ENTRY(Rom) next;
-};
-
-static FWCfgState *fw_cfg;
-static QTAILQ_HEAD(, Rom) roms = QTAILQ_HEAD_INITIALIZER(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,
- hwaddr addr, int32_t bootindex)
-{
- Rom *rom;
- int rc, fd = -1;
- char devpath[100];
-
- rom = g_malloc0(sizeof(*rom));
- rom->name = g_strdup(file);
- rom->path = qemu_find_file(QEMU_FILE_TYPE_BIOS, rom->name);
- if (rom->path == NULL) {
- rom->path = g_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;
- }
-
- if (fw_dir) {
- rom->fw_dir = g_strdup(fw_dir);
- rom->fw_file = g_strdup(file);
- }
- rom->addr = addr;
- rom->romsize = lseek(fd, 0, SEEK_END);
- rom->datasize = rom->romsize;
- rom->data = g_malloc0(rom->datasize);
- lseek(fd, 0, SEEK_SET);
- rc = read(fd, rom->data, rom->datasize);
- if (rc != rom->datasize) {
- fprintf(stderr, "rom: file %-20s: read error: rc=%d (expected %zd)\n",
- rom->name, rc, rom->datasize);
- goto err;
- }
- close(fd);
- rom_insert(rom);
- if (rom->fw_file && fw_cfg) {
- const char *basename;
- char fw_file_name[56];
-
- basename = strrchr(rom->fw_file, '/');
- if (basename) {
- basename++;
- } else {
- basename = rom->fw_file;
- }
- snprintf(fw_file_name, sizeof(fw_file_name), "%s/%s", rom->fw_dir,
- basename);
- fw_cfg_add_file(fw_cfg, fw_file_name, rom->data, rom->romsize);
- snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name);
- } else {
- snprintf(devpath, sizeof(devpath), "/rom@" TARGET_FMT_plx, addr);
- }
-
- add_boot_device_path(bootindex, NULL, devpath);
- return 0;
-
-err:
- if (fd != -1)
- close(fd);
- g_free(rom->data);
- g_free(rom->path);
- g_free(rom->name);
- g_free(rom);
- return -1;
-}
-
-int rom_add_blob(const char *name, const void *blob, size_t len,
- hwaddr addr)
-{
- Rom *rom;
-
- rom = g_malloc0(sizeof(*rom));
- rom->name = g_strdup(name);
- rom->addr = addr;
- rom->romsize = len;
- rom->datasize = len;
- rom->data = g_malloc0(rom->datasize);
- memcpy(rom->data, blob, len);
- rom_insert(rom);
- return 0;
-}
-
-/* This function is specific for elf program because we don't need to allocate
- * all the rom. We just allocate the first part and the rest is just zeros. This
- * is why romsize and datasize are different. Also, this function seize the
- * memory ownership of "data", so we don't have to allocate and copy the buffer.
- */
-int rom_add_elf_program(const char *name, void *data, size_t datasize,
- size_t romsize, hwaddr addr)
-{
- Rom *rom;
-
- rom = g_malloc0(sizeof(*rom));
- rom->name = g_strdup(name);
- rom->addr = addr;
- rom->datasize = datasize;
- rom->romsize = romsize;
- rom->data = data;
- rom_insert(rom);
- return 0;
-}
-
-int rom_add_vga(const char *file)
-{
- return rom_add_file(file, "vgaroms", 0, -1);
-}
-
-int rom_add_option(const char *file, int32_t bootindex)
-{
- return rom_add_file(file, "genroms", 0, bootindex);
-}
-
-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->datasize);
- if (rom->isrom) {
- /* rom needs to be written only once */
- g_free(rom->data);
- rom->data = NULL;
- }
- }
-}
-
-int rom_load_all(void)
-{
- hwaddr addr = 0;
- MemoryRegionSection section;
- 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;
- section = memory_region_find(get_system_memory(), rom->addr, 1);
- rom->isrom = section.size && memory_region_is_rom(section.mr);
- }
- qemu_register_reset(rom_reset, NULL);
- roms_loaded = 1;
- return 0;
-}
-
-void rom_set_fw(void *f)
-{
- fw_cfg = f;
-}
-
-static Rom *find_rom(hwaddr 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, hwaddr addr, size_t size)
-{
- hwaddr 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->datasize;
-
- if ((d + l) > (dest + size)) {
- l = dest - d;
- }
-
- memcpy(d, s, l);
-
- if (rom->romsize > rom->datasize) {
- /* If datasize is less than romsize, it means that we didn't
- * allocate all the ROM because the trailing data are only zeros.
- */
-
- d += l;
- l = rom->romsize - rom->datasize;
-
- if ((d + l) > (dest + size)) {
- /* Rom size doesn't fit in the destination area. Adjust to avoid
- * overflow.
- */
- l = dest - d;
- }
-
- if (l > 0) {
- memset(d, 0x0, l);
- }
- }
- }
-
- return (d + l) - dest;
-}
-
-void *rom_ptr(hwaddr 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, const QDict *qdict)
-{
- 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"
- " size=0x%06zx name=\"%s\"\n",
- rom->fw_dir,
- rom->fw_file,
- rom->romsize,
- rom->name);
- }
- }
-}