vnc: cleanup surface handling, fix screen corruption bug. (Gerd Hoffmann)
[qemu/mini2440/sniper_sniper_test.git] / hw / an5206.c
blob83078aa81bbf44f68fd0654d2c78f8365ff67103
1 /*
2 * Arnewsh 5206 ColdFire system emulation.
4 * Copyright (c) 2007 CodeSourcery.
6 * This code is licenced under the GPL
7 */
9 #include "hw.h"
10 #include "pc.h"
11 #include "mcf.h"
12 #include "sysemu.h"
13 #include "boards.h"
15 #define KERNEL_LOAD_ADDR 0x10000
16 #define AN5206_MBAR_ADDR 0x10000000
17 #define AN5206_RAMBAR_ADDR 0x20000000
19 /* Stub functions for hardware that doesn't exist. */
20 void pic_info(Monitor *mon)
24 void irq_info(Monitor *mon)
28 /* Board init. */
30 static void an5206_init(ram_addr_t ram_size, int vga_ram_size,
31 const char *boot_device,
32 const char *kernel_filename, const char *kernel_cmdline,
33 const char *initrd_filename, const char *cpu_model)
35 CPUState *env;
36 int kernel_size;
37 uint64_t elf_entry;
38 target_ulong entry;
40 if (!cpu_model)
41 cpu_model = "m5206";
42 env = cpu_init(cpu_model);
43 if (!env) {
44 cpu_abort(env, "Unable to find m68k CPU definition\n");
47 /* Initialize CPU registers. */
48 env->vbr = 0;
49 /* TODO: allow changing MBAR and RAMBAR. */
50 env->mbar = AN5206_MBAR_ADDR | 1;
51 env->rambar0 = AN5206_RAMBAR_ADDR | 1;
53 /* DRAM at address zero */
54 cpu_register_physical_memory(0, ram_size,
55 qemu_ram_alloc(ram_size) | IO_MEM_RAM);
57 /* Internal SRAM. */
58 cpu_register_physical_memory(AN5206_RAMBAR_ADDR, 512,
59 qemu_ram_alloc(512) | IO_MEM_RAM);
61 mcf5206_init(AN5206_MBAR_ADDR, env);
63 /* Load kernel. */
64 if (!kernel_filename) {
65 fprintf(stderr, "Kernel image must be specified\n");
66 exit(1);
69 kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL);
70 entry = elf_entry;
71 if (kernel_size < 0) {
72 kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL);
74 if (kernel_size < 0) {
75 kernel_size = load_image(kernel_filename,
76 phys_ram_base + KERNEL_LOAD_ADDR);
77 entry = KERNEL_LOAD_ADDR;
79 if (kernel_size < 0) {
80 fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
81 exit(1);
84 env->pc = entry;
87 QEMUMachine an5206_machine = {
88 .name = "an5206",
89 .desc = "Arnewsh 5206",
90 .init = an5206_init,
91 .ram_require = 512,