dcac9679fe
Signed-off-by: Paul Brook <paul@codesourcery.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7056 c046a42c-6fe2-441c-8c8c-71466251a162
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* Dummy board with just RAM and CPU for use as an ISS.
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*
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* Copyright (c) 2007 CodeSourcery.
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*
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* This code is licenced under the GPL
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*/
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#include "hw.h"
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#include "sysemu.h"
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#include "boards.h"
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#define KERNEL_LOAD_ADDR 0x10000
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/* Board init. */
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static void dummy_m68k_init(ram_addr_t ram_size, int vga_ram_size,
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const char *boot_device,
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const char *kernel_filename, const char *kernel_cmdline,
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const char *initrd_filename, const char *cpu_model)
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{
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CPUState *env;
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int kernel_size;
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uint64_t elf_entry;
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target_ulong entry;
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if (!cpu_model)
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cpu_model = "cfv4e";
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env = cpu_init(cpu_model);
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if (!env) {
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fprintf(stderr, "Unable to find m68k CPU definition\n");
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exit(1);
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}
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/* Initialize CPU registers. */
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env->vbr = 0;
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/* RAM at address zero */
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cpu_register_physical_memory(0, ram_size,
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qemu_ram_alloc(ram_size) | IO_MEM_RAM);
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/* Load kernel. */
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if (kernel_filename) {
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kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);
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entry = elf_entry;
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if (kernel_size < 0) {
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kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
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}
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if (kernel_size < 0) {
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kernel_size = load_image_targphys(kernel_filename,
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KERNEL_LOAD_ADDR,
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ram_size - KERNEL_LOAD_ADDR);
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entry = KERNEL_LOAD_ADDR;
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}
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if (kernel_size < 0) {
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fprintf(stderr, "qemu: could not load kernel '%s'\n",
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kernel_filename);
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exit(1);
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}
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} else {
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entry = 0;
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}
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env->pc = entry;
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}
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QEMUMachine dummy_m68k_machine = {
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.name = "dummy",
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.desc = "Dummy board",
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.init = dummy_m68k_init,
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};
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