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prep: Add ELF support for -bios 

This prepares for switching from OpenHack'Ware to OpenBIOS.

While touching the error handling code, switch from aborting hw_error()
to fprintf()+exit() and suppress failing without -bios for qtest.

Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
This commit is contained in:
Andreas Färber 2013-04-27 21:23:23 +02:00
parent 88432756ea
commit 97c42c3c93
1 changed files with 22 additions and 9 deletions
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31
hw/ppc/prep.c
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@ -40,7 +40,9 @@
#include "hw/isa/pc87312.h"
#include "sysemu/blockdev.h"
#include "sysemu/arch_init.h"
#include "sysemu/qtest.h"
#include "exec/address-spaces.h"
#include "elf.h"
//#define HARD_DEBUG_PPC_IO
//#define DEBUG_PPC_IO
@ -505,18 +507,29 @@ static void ppc_prep_init(QEMUMachineInitArgs *args)
bios_name = BIOS_FILENAME;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
bios_size = get_image_size(filename);
bios_size = load_elf(filename, NULL, NULL, NULL,
NULL, NULL, 1, ELF_MACHINE, 0);
if (bios_size < 0) {
bios_size = get_image_size(filename);
if (bios_size > 0 && bios_size <= BIOS_SIZE) {
hwaddr bios_addr;
bios_size = (bios_size + 0xfff) & ~0xfff;
bios_addr = (uint32_t)(-bios_size);
bios_size = load_image_targphys(filename, bios_addr, bios_size);
}
if (bios_size > BIOS_SIZE) {
fprintf(stderr, "qemu: PReP bios '%s' is too large (0x%x)\n",
bios_name, bios_size);
exit(1);
}
}
} else {
bios_size = -1;
}
if (bios_size > 0 && bios_size <= BIOS_SIZE) {
hwaddr bios_addr;
bios_size = (bios_size + 0xfff) & ~0xfff;
bios_addr = (uint32_t)(-bios_size);
bios_size = load_image_targphys(filename, bios_addr, bios_size);
}
if (bios_size < 0 || bios_size > BIOS_SIZE) {
hw_error("qemu: could not load PPC PREP bios '%s'\n", bios_name);
if (bios_size < 0 && !qtest_enabled()) {
fprintf(stderr, "qemu: could not load PPC PReP bios '%s'\n",
bios_name);
exit(1);
}
if (filename) {
g_free(filename);