mirror of
https://git.proxmox.com/git/qemu
synced 2025-10-27 17:45:41 +00:00
20dcee9483
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2924 c046a42c-6fe2-441c-8c8c-71466251a162
92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/*
|
|
* Arnewsh 5206 ColdFire system emulation.
|
|
*
|
|
* Copyright (c) 2007 CodeSourcery.
|
|
*
|
|
* This code is licenced under the GPL
|
|
*/
|
|
|
|
#include "vl.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(void)
|
|
{
|
|
}
|
|
|
|
void irq_info(void)
|
|
{
|
|
}
|
|
|
|
void DMA_run (void)
|
|
{
|
|
}
|
|
|
|
/* Board init. */
|
|
|
|
static void an5206_init(int ram_size, int vga_ram_size, int boot_device,
|
|
DisplayState *ds, const char **fd_filename, int snapshot,
|
|
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;
|
|
|
|
env = cpu_init();
|
|
if (!cpu_model)
|
|
cpu_model = "m5206";
|
|
if (cpu_m68k_set_model(env, cpu_model)) {
|
|
cpu_abort(env, "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(ram_size) | IO_MEM_RAM);
|
|
|
|
/* Internal SRAM. */
|
|
cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512,
|
|
qemu_ram_alloc(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, 0, &elf_entry, NULL, NULL);
|
|
entry = elf_entry;
|
|
if (kernel_size < 0) {
|
|
kernel_size = load_uboot(kernel_filename, &entry, NULL);
|
|
}
|
|
if (kernel_size < 0) {
|
|
kernel_size = load_image(kernel_filename,
|
|
phys_ram_base + 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;
|
|
}
|
|
|
|
QEMUMachine an5206_machine = {
|
|
"an5206",
|
|
"Arnewsh 5206",
|
|
an5206_init,
|
|
};
|