* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "qemu/osdep.h"
+#include "qapi/error.h"
#include "hw/hw.h"
#include "disas/disas.h"
#include "monitor/monitor.h"
#include "hw/nvram/fw_cfg.h"
#include "exec/memory.h"
#include "exec/address-spaces.h"
+#include "hw/boards.h"
+#include "qemu/cutils.h"
#include <zlib.h>
-bool option_rom_has_mr = false;
-bool rom_file_has_mr = true;
-
static int roms_loaded;
/* return the size or -1 if error */
return size;
}
+int load_image_mr(const char *filename, MemoryRegion *mr)
+{
+ int size;
+
+ if (!memory_access_is_direct(mr, false)) {
+ /* Can only load an image into RAM or ROM */
+ return -1;
+ }
+
+ size = get_image_size(filename);
+
+ if (size > memory_region_size(mr)) {
+ return -1;
+ }
+ if (size > 0) {
+ if (rom_add_file_mr(filename, mr, -1) < 0) {
+ return -1;
+ }
+ }
+ return size;
+}
+
void pstrcpy_targphys(const char *name, hwaddr dest, int buf_size,
const char *source)
{
}
}
+void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp)
+{
+ int fd;
+ uint8_t e_ident_local[EI_NIDENT];
+ uint8_t *e_ident;
+ size_t hdr_size, off;
+ bool is64l;
+
+ if (!hdr) {
+ hdr = e_ident_local;
+ }
+ e_ident = hdr;
+
+ fd = open(filename, O_RDONLY | O_BINARY);
+ if (fd < 0) {
+ error_setg_errno(errp, errno, "Failed to open file: %s", filename);
+ return;
+ }
+ if (read(fd, hdr, EI_NIDENT) != EI_NIDENT) {
+ error_setg_errno(errp, errno, "Failed to read file: %s", filename);
+ goto fail;
+ }
+ if (e_ident[0] != ELFMAG0 ||
+ e_ident[1] != ELFMAG1 ||
+ e_ident[2] != ELFMAG2 ||
+ e_ident[3] != ELFMAG3) {
+ error_setg(errp, "Bad ELF magic");
+ goto fail;
+ }
+
+ is64l = e_ident[EI_CLASS] == ELFCLASS64;
+ hdr_size = is64l ? sizeof(Elf64_Ehdr) : sizeof(Elf32_Ehdr);
+ if (is64) {
+ *is64 = is64l;
+ }
+
+ off = EI_NIDENT;
+ while (hdr != e_ident_local && off < hdr_size) {
+ size_t br = read(fd, hdr + off, hdr_size - off);
+ switch (br) {
+ case 0:
+ error_setg(errp, "File too short: %s", filename);
+ goto fail;
+ case -1:
+ error_setg_errno(errp, errno, "Failed to read file: %s",
+ filename);
+ goto fail;
+ }
+ off += br;
+ }
+
+fail:
+ close(fd);
+}
+
/* 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)
+ uint64_t *highaddr, int big_endian, int elf_machine,
+ int clear_lsb, int data_swab)
{
int fd, data_order, target_data_order, must_swab, ret = ELF_LOAD_FAILED;
uint8_t e_ident[EI_NIDENT];
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);
+ pentry, lowaddr, highaddr, elf_machine, clear_lsb,
+ data_swab);
} else {
ret = load_elf32(filename, fd, translate_fn, translate_opaque, must_swab,
- pentry, lowaddr, highaddr, elf_machine, clear_lsb);
+ pentry, lowaddr, highaddr, elf_machine, clear_lsb,
+ data_swab);
}
fail:
ret = hdr->ih_size;
out:
- if (data)
- g_free(data);
+ g_free(data);
close(fd);
return ret;
}
memory_region_init_resizeable_ram(rom->mr, owner, name,
rom->datasize, rom->romsize,
fw_cfg_resized,
- &error_abort);
+ &error_fatal);
memory_region_set_readonly(rom->mr, true);
vmstate_register_ram_global(rom->mr);
int rom_add_file(const char *file, const char *fw_dir,
hwaddr addr, int32_t bootindex,
- bool option_rom)
+ bool option_rom, MemoryRegion *mr)
{
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
Rom *rom;
int rc, fd = -1;
char devpath[100];
basename);
snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name);
- if ((!option_rom || option_rom_has_mr) && rom_file_has_mr) {
+ if ((!option_rom || mc->option_rom_has_mr) && mc->rom_file_has_mr) {
data = rom_set_mr(rom, OBJECT(fw_cfg), devpath);
} else {
data = rom->data;
fw_cfg_add_file(fw_cfg, fw_file_name, data, rom->romsize);
} else {
- snprintf(devpath, sizeof(devpath), "/rom@" TARGET_FMT_plx, addr);
+ if (mr) {
+ rom->mr = mr;
+ snprintf(devpath, sizeof(devpath), "/rom@%s", file);
+ } else {
+ snprintf(devpath, sizeof(devpath), "/rom@" TARGET_FMT_plx, addr);
+ }
}
add_boot_device_path(bootindex, NULL, devpath);
size_t max_len, hwaddr addr, const char *fw_file_name,
FWCfgReadCallback fw_callback, void *callback_opaque)
{
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
Rom *rom;
MemoryRegion *mr = NULL;
snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name);
- if (rom_file_has_mr) {
+ if (mc->rom_file_has_mr) {
data = rom_set_mr(rom, OBJECT(fw_cfg), devpath);
mr = rom->mr;
} else {
int rom_add_vga(const char *file)
{
- return rom_add_file(file, "vgaroms", 0, -1, true);
+ return rom_add_file(file, "vgaroms", 0, -1, true, NULL);
}
int rom_add_option(const char *file, int32_t bootindex)
{
- return rom_add_file(file, "genroms", 0, bootindex, true);
+ return rom_add_file(file, "genroms", 0, bootindex, true, NULL);
}
static void rom_reset(void *unused)
}
}
-int rom_load_all(void)
+int rom_check_and_register_reset(void)
{
hwaddr addr = 0;
MemoryRegionSection section;
memory_region_unref(section.mr);
}
qemu_register_reset(rom_reset, NULL);
- return 0;
-}
-
-void rom_load_done(void)
-{
roms_loaded = 1;
+ return 0;
}
void rom_set_fw(FWCfgState *f)
projects / qemu.git / blobdiff