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/*
* Arnewsh 5206 ColdFire system emulation.
*
* Copyright (c) 2007 CodeSourcery.
*
* This code is licenced under the GPL
*/
#include "hw.h"
#include "pc.h"
#include "mcf.h"
#include "sysemu.h"
#include "boards.h"
#include "loader.h"
#include "elf.h"
#define KERNEL_LOAD_ADDR 0x10000
#define AN5206_MBAR_ADDR 0x10000000
#define AN5206_RAMBAR_ADDR 0x20000000
/* Stub functions for hardware that doesn't exist. */
void pic_info(Monitor *mon)
{
}
void irq_info(Monitor *mon)
{
}
/* Board init. */
static void an5206_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_phys_addr_t entry;
if (!cpu_model)
cpu_model = "m5206";
env = cpu_init(cpu_model);
if (!env) {
hw_error("Unable to find m68k CPU definition\n");
}
/* Initialize CPU registers. */
env->vbr = 0;
/* TODO: allow changing MBAR and RAMBAR. */
env->mbar = AN5206_MBAR_ADDR | 1;
env->rambar0 = AN5206_RAMBAR_ADDR | 1;
/* DRAM at address zero */
cpu_register_physical_memory(0, ram_size,
qemu_ram_alloc(NULL, "an5206.ram", ram_size) | IO_MEM_RAM);
/* Internal SRAM. */
cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512,
qemu_ram_alloc(NULL, "an5206.sram", 512) | IO_MEM_RAM);
mcf5206_init(AN5206_MBAR_ADDR, env);
/* Load kernel. */
if (!kernel_filename) {
fprintf(stderr, "Kernel image must be specified\n");
exit(1);
}
kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
NULL, NULL, 1, ELF_MACHINE, 0);
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);
}
env->pc = entry;
}
static QEMUMachine an5206_machine = {
.name = "an5206",
.desc = "Arnewsh 5206",
.init = an5206_init,
};
static void an5206_machine_init(void)
{
qemu_register_machine(&an5206_machine);
}
machine_init(an5206_machine_init);
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