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Commit | Line | Data |
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5fafdf24 | 1 | /* |
0633879f PB |
2 | * Arnewsh 5206 ColdFire system emulation. |
3 | * | |
4 | * Copyright (c) 2007 CodeSourcery. | |
5 | * | |
8e31bf38 | 6 | * This code is licensed under the GPL |
0633879f PB |
7 | */ |
8 | ||
d8416665 | 9 | #include "qemu/osdep.h" |
da34e65c | 10 | #include "qapi/error.h" |
4771d756 PB |
11 | #include "qemu-common.h" |
12 | #include "cpu.h" | |
83c9f4ca | 13 | #include "hw/hw.h" |
0d09e41a | 14 | #include "hw/m68k/mcf.h" |
83c9f4ca PB |
15 | #include "hw/boards.h" |
16 | #include "hw/loader.h" | |
ca20cf32 | 17 | #include "elf.h" |
022c62cb | 18 | #include "exec/address-spaces.h" |
c525436e | 19 | #include "qemu/error-report.h" |
19c82aac | 20 | #include "sysemu/qtest.h" |
0633879f PB |
21 | |
22 | #define KERNEL_LOAD_ADDR 0x10000 | |
23 | #define AN5206_MBAR_ADDR 0x10000000 | |
24 | #define AN5206_RAMBAR_ADDR 0x20000000 | |
25 | ||
0633879f PB |
26 | /* Board init. */ |
27 | ||
3ef96221 | 28 | static void an5206_init(MachineState *machine) |
0633879f | 29 | { |
3ef96221 MA |
30 | ram_addr_t ram_size = machine->ram_size; |
31 | const char *cpu_model = machine->cpu_model; | |
32 | const char *kernel_filename = machine->kernel_filename; | |
4025cfd5 | 33 | M68kCPU *cpu; |
7927df3a | 34 | CPUM68KState *env; |
0633879f PB |
35 | int kernel_size; |
36 | uint64_t elf_entry; | |
a8170e5e | 37 | hwaddr entry; |
72e4d255 AK |
38 | MemoryRegion *address_space_mem = get_system_memory(); |
39 | MemoryRegion *ram = g_new(MemoryRegion, 1); | |
40 | MemoryRegion *sram = g_new(MemoryRegion, 1); | |
0633879f | 41 | |
4025cfd5 | 42 | if (!cpu_model) { |
0633879f | 43 | cpu_model = "m5206"; |
4025cfd5 AF |
44 | } |
45 | cpu = cpu_m68k_init(cpu_model); | |
46 | if (!cpu) { | |
c525436e MA |
47 | error_report("Unable to find m68k CPU definition"); |
48 | exit(1); | |
20dcee94 | 49 | } |
4025cfd5 | 50 | env = &cpu->env; |
0633879f PB |
51 | |
52 | /* Initialize CPU registers. */ | |
53 | env->vbr = 0; | |
54 | /* TODO: allow changing MBAR and RAMBAR. */ | |
55 | env->mbar = AN5206_MBAR_ADDR | 1; | |
56 | env->rambar0 = AN5206_RAMBAR_ADDR | 1; | |
57 | ||
58 | /* DRAM at address zero */ | |
1d5bfde1 | 59 | memory_region_allocate_system_memory(ram, NULL, "an5206.ram", ram_size); |
72e4d255 | 60 | memory_region_add_subregion(address_space_mem, 0, ram); |
0633879f PB |
61 | |
62 | /* Internal SRAM. */ | |
f8ed85ac | 63 | memory_region_init_ram(sram, NULL, "an5206.sram", 512, &error_fatal); |
c5705a77 | 64 | vmstate_register_ram_global(sram); |
72e4d255 | 65 | memory_region_add_subregion(address_space_mem, AN5206_RAMBAR_ADDR, sram); |
0633879f | 66 | |
4025cfd5 | 67 | mcf5206_init(address_space_mem, AN5206_MBAR_ADDR, cpu); |
0633879f PB |
68 | |
69 | /* Load kernel. */ | |
70 | if (!kernel_filename) { | |
19c82aac AF |
71 | if (qtest_enabled()) { |
72 | return; | |
73 | } | |
0633879f PB |
74 | fprintf(stderr, "Kernel image must be specified\n"); |
75 | exit(1); | |
76 | } | |
77 | ||
409dbce5 | 78 | kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry, |
7ef295ea | 79 | NULL, NULL, 1, EM_68K, 0, 0); |
0633879f PB |
80 | entry = elf_entry; |
81 | if (kernel_size < 0) { | |
25bda50a MF |
82 | kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL, |
83 | NULL, NULL); | |
0633879f PB |
84 | } |
85 | if (kernel_size < 0) { | |
dcac9679 PB |
86 | kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR, |
87 | ram_size - KERNEL_LOAD_ADDR); | |
0633879f PB |
88 | entry = KERNEL_LOAD_ADDR; |
89 | } | |
90 | if (kernel_size < 0) { | |
91 | fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); | |
92 | exit(1); | |
93 | } | |
94 | ||
95 | env->pc = entry; | |
96 | } | |
97 | ||
e264d29d | 98 | static void an5206_machine_init(MachineClass *mc) |
f80f9ec9 | 99 | { |
e264d29d EH |
100 | mc->desc = "Arnewsh 5206"; |
101 | mc->init = an5206_init; | |
f80f9ec9 AL |
102 | } |
103 | ||
e264d29d | 104 | DEFINE_MACHINE("an5206", an5206_machine_init) |