f80f9ec9a6
This cleans up quite a lot of #ifdefs, extern variables, and other ugliness. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
/*
|
|
* Dummy board with just RAM and CPU for use as an ISS.
|
|
*
|
|
* Copyright (c) 2007 CodeSourcery.
|
|
*
|
|
* This code is licenced under the GPL
|
|
*/
|
|
|
|
#include "hw.h"
|
|
#include "sysemu.h"
|
|
#include "boards.h"
|
|
|
|
#define KERNEL_LOAD_ADDR 0x10000
|
|
|
|
/* Board init. */
|
|
|
|
static void dummy_m68k_init(ram_addr_t ram_size,
|
|
const char *boot_device,
|
|
const char *kernel_filename, const char *kernel_cmdline,
|
|
const char *initrd_filename, const char *cpu_model)
|
|
{
|
|
CPUState *env;
|
|
int kernel_size;
|
|
uint64_t elf_entry;
|
|
target_ulong entry;
|
|
|
|
if (!cpu_model)
|
|
cpu_model = "cfv4e";
|
|
env = cpu_init(cpu_model);
|
|
if (!env) {
|
|
fprintf(stderr, "Unable to find m68k CPU definition\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* Initialize CPU registers. */
|
|
env->vbr = 0;
|
|
|
|
/* RAM at address zero */
|
|
cpu_register_physical_memory(0, ram_size,
|
|
qemu_ram_alloc(ram_size) | IO_MEM_RAM);
|
|
|
|
/* Load kernel. */
|
|
if (kernel_filename) {
|
|
kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);
|
|
entry = elf_entry;
|
|
if (kernel_size < 0) {
|
|
kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
|
|
}
|
|
if (kernel_size < 0) {
|
|
kernel_size = load_image_targphys(kernel_filename,
|
|
KERNEL_LOAD_ADDR,
|
|
ram_size - KERNEL_LOAD_ADDR);
|
|
entry = KERNEL_LOAD_ADDR;
|
|
}
|
|
if (kernel_size < 0) {
|
|
fprintf(stderr, "qemu: could not load kernel '%s'\n",
|
|
kernel_filename);
|
|
exit(1);
|
|
}
|
|
} else {
|
|
entry = 0;
|
|
}
|
|
env->pc = entry;
|
|
}
|
|
|
|
static QEMUMachine dummy_m68k_machine = {
|
|
.name = "dummy",
|
|
.desc = "Dummy board",
|
|
.init = dummy_m68k_init,
|
|
};
|
|
|
|
static void dummy_m68k_machine_init(void)
|
|
{
|
|
qemu_register_machine(&dummy_m68k_machine);
|
|
}
|
|
|
|
machine_init(dummy_m68k_machine_init);
|