]>
Commit | Line | Data |
---|---|---|
ca02f319 PB |
1 | /* |
2 | * Dummy board with just RAM and CPU for use as an ISS. | |
3 | * | |
4 | * Copyright (c) 2007 CodeSourcery. | |
5 | * | |
6 | * This code is licenced under the GPL | |
7 | */ | |
8 | ||
9 | #include "vl.h" | |
10 | ||
11 | #define KERNEL_LOAD_ADDR 0x10000 | |
12 | ||
13 | /* Board init. */ | |
14 | ||
cd08ce8f PB |
15 | static void dummy_m68k_init(int ram_size, int vga_ram_size, |
16 | const char *boot_device, DisplayState *ds, | |
17 | const char **fd_filename, int snapshot, | |
ca02f319 PB |
18 | const char *kernel_filename, const char *kernel_cmdline, |
19 | const char *initrd_filename, const char *cpu_model) | |
20 | { | |
21 | CPUState *env; | |
22 | int kernel_size; | |
23 | uint64_t elf_entry; | |
24 | target_ulong entry; | |
25 | ||
ca02f319 PB |
26 | if (!cpu_model) |
27 | cpu_model = "cfv4e"; | |
cd08ce8f PB |
28 | env = cpu_init(cpu_model); |
29 | if (!env) { | |
30 | fprintf(stderr, "Unable to find m68k CPU definition\n"); | |
31 | exit(1); | |
ca02f319 PB |
32 | } |
33 | ||
34 | /* Initialize CPU registers. */ | |
35 | env->vbr = 0; | |
36 | ||
37 | /* RAM at address zero */ | |
38 | cpu_register_physical_memory(0, ram_size, | |
39 | qemu_ram_alloc(ram_size) | IO_MEM_RAM); | |
40 | ||
41 | /* Load kernel. */ | |
42 | if (kernel_filename) { | |
43 | kernel_size = load_elf(kernel_filename, 0, &elf_entry, NULL, NULL); | |
44 | entry = elf_entry; | |
45 | if (kernel_size < 0) { | |
46 | kernel_size = load_uboot(kernel_filename, &entry, NULL); | |
47 | } | |
48 | if (kernel_size < 0) { | |
49 | kernel_size = load_image(kernel_filename, | |
50 | phys_ram_base + KERNEL_LOAD_ADDR); | |
51 | entry = KERNEL_LOAD_ADDR; | |
52 | } | |
53 | if (kernel_size < 0) { | |
54 | fprintf(stderr, "qemu: could not load kernel '%s'\n", | |
55 | kernel_filename); | |
56 | exit(1); | |
57 | } | |
58 | } else { | |
59 | entry = 0; | |
60 | } | |
61 | env->pc = entry; | |
62 | } | |
63 | ||
64 | QEMUMachine dummy_m68k_machine = { | |
65 | "dummy", | |
66 | "Dummy board", | |
67 | dummy_m68k_init, | |
68 | }; |