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| author | BALATON Zoltan <balaton@eik.bme.hu> | 2020-10-16 01:47:17 +0200 |
|---|---|---|
| committer | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2020-10-19 08:11:21 +0100 |
| commit | 31a6f3534aba275aa9b3da21a58e79065ba865b5 (patch) | |
| tree | 635c33c0baad59a78e097b1b6fe84d48bb45543a /hw/ppc | |
| parent | 464c73e8eb0f52b5644768c095e553cf97cb041b (diff) | |
| download | qemu-31a6f3534aba275aa9b3da21a58e79065ba865b5.zip qemu-31a6f3534aba275aa9b3da21a58e79065ba865b5.tar.gz qemu-31a6f3534aba275aa9b3da21a58e79065ba865b5.tar.bz2 | |
mac_newworld: Allow loading binary ROM image
Fall back to load binary ROM image if loading ELF fails. This also
moves PROM_BASE and PROM_SIZE defines to board as these are matching
the ROM size and address on this board and removes the now unused
PROM_ADDR and BIOS_SIZE defines from common mac.h.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <4d58ffe7645a0c746c8fed6aa8775c0867b624e0.1602805637.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/mac.h | 2 | ||||
| -rw-r--r-- | hw/ppc/mac_newworld.c | 22 |
2 files changed, 14 insertions, 10 deletions
diff --git a/hw/ppc/mac.h b/hw/ppc/mac.h index f3976b9..22c8408 100644 --- a/hw/ppc/mac.h +++ b/hw/ppc/mac.h @@ -39,10 +39,8 @@ /* SMP is not enabled, for now */ #define MAX_CPUS 1 -#define BIOS_SIZE (1 * MiB) #define NVRAM_SIZE 0x2000 #define PROM_FILENAME "openbios-ppc" -#define PROM_ADDR 0xfff00000 #define KERNEL_LOAD_ADDR 0x01000000 #define KERNEL_GAP 0x00100000 diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 7a8dc09..f9a1cc8 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -82,6 +82,8 @@ #define NDRV_VGA_FILENAME "qemu_vga.ndrv" +#define PROM_BASE 0xfff00000 +#define PROM_SIZE (1 * MiB) static void fw_cfg_boot_set(void *opaque, const char *boot_device, Error **errp) @@ -100,7 +102,7 @@ static void ppc_core99_reset(void *opaque) cpu_reset(CPU(cpu)); /* 970 CPUs want to get their initial IP as part of their boot protocol */ - cpu->env.nip = PROM_ADDR + 0x100; + cpu->env.nip = PROM_BASE + 0x100; } /* PowerPC Mac99 hardware initialisation */ @@ -154,25 +156,29 @@ static void ppc_core99_init(MachineState *machine) /* allocate RAM */ memory_region_add_subregion(get_system_memory(), 0, machine->ram); - /* allocate and load BIOS */ - memory_region_init_rom(bios, NULL, "ppc_core99.bios", BIOS_SIZE, + /* allocate and load firmware ROM */ + memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE, &error_fatal); + memory_region_add_subregion(get_system_memory(), PROM_BASE, bios); - if (bios_name == NULL) + if (!bios_name) { bios_name = PROM_FILENAME; + } filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios); - - /* Load OpenBIOS (ELF) */ if (filename) { + /* Load OpenBIOS (ELF) */ bios_size = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); + if (bios_size <= 0) { + /* or load binary ROM image */ + bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE); + } g_free(filename); } else { bios_size = -1; } - if (bios_size < 0 || bios_size > BIOS_SIZE) { + if (bios_size < 0 || bios_size > PROM_SIZE) { error_report("could not load PowerPC bios '%s'", bios_name); exit(1); } |