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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 | 11 | #include "cpu.h" |
0d09e41a | 12 | #include "hw/m68k/mcf.h" |
83c9f4ca PB |
13 | #include "hw/boards.h" |
14 | #include "hw/loader.h" | |
ca20cf32 | 15 | #include "elf.h" |
022c62cb | 16 | #include "exec/address-spaces.h" |
c525436e | 17 | #include "qemu/error-report.h" |
19c82aac | 18 | #include "sysemu/qtest.h" |
0633879f PB |
19 | |
20 | #define KERNEL_LOAD_ADDR 0x10000 | |
21 | #define AN5206_MBAR_ADDR 0x10000000 | |
22 | #define AN5206_RAMBAR_ADDR 0x20000000 | |
23 | ||
0633879f PB |
24 | /* Board init. */ |
25 | ||
3ef96221 | 26 | static void an5206_init(MachineState *machine) |
0633879f | 27 | { |
3ef96221 | 28 | ram_addr_t ram_size = machine->ram_size; |
3ef96221 | 29 | const char *kernel_filename = machine->kernel_filename; |
4025cfd5 | 30 | M68kCPU *cpu; |
7927df3a | 31 | CPUM68KState *env; |
0633879f PB |
32 | int kernel_size; |
33 | uint64_t elf_entry; | |
a8170e5e | 34 | hwaddr entry; |
72e4d255 | 35 | MemoryRegion *address_space_mem = get_system_memory(); |
72e4d255 | 36 | MemoryRegion *sram = g_new(MemoryRegion, 1); |
0633879f | 37 | |
25a20b36 | 38 | cpu = M68K_CPU(cpu_create(machine->cpu_type)); |
4025cfd5 | 39 | env = &cpu->env; |
0633879f PB |
40 | |
41 | /* Initialize CPU registers. */ | |
42 | env->vbr = 0; | |
43 | /* TODO: allow changing MBAR and RAMBAR. */ | |
44 | env->mbar = AN5206_MBAR_ADDR | 1; | |
45 | env->rambar0 = AN5206_RAMBAR_ADDR | 1; | |
46 | ||
47 | /* DRAM at address zero */ | |
c55f97a0 | 48 | memory_region_add_subregion(address_space_mem, 0, machine->ram); |
0633879f PB |
49 | |
50 | /* Internal SRAM. */ | |
98a99ce0 | 51 | memory_region_init_ram(sram, NULL, "an5206.sram", 512, &error_fatal); |
72e4d255 | 52 | memory_region_add_subregion(address_space_mem, AN5206_RAMBAR_ADDR, sram); |
0633879f | 53 | |
4025cfd5 | 54 | mcf5206_init(address_space_mem, AN5206_MBAR_ADDR, cpu); |
0633879f PB |
55 | |
56 | /* Load kernel. */ | |
57 | if (!kernel_filename) { | |
19c82aac AF |
58 | if (qtest_enabled()) { |
59 | return; | |
60 | } | |
45876e91 | 61 | error_report("Kernel image must be specified"); |
0633879f PB |
62 | exit(1); |
63 | } | |
64 | ||
4366e1db | 65 | kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry, |
6cdda0ff | 66 | NULL, NULL, NULL, 1, EM_68K, 0, 0); |
0633879f PB |
67 | entry = elf_entry; |
68 | if (kernel_size < 0) { | |
25bda50a MF |
69 | kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL, |
70 | NULL, NULL); | |
0633879f PB |
71 | } |
72 | if (kernel_size < 0) { | |
dcac9679 PB |
73 | kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR, |
74 | ram_size - KERNEL_LOAD_ADDR); | |
0633879f PB |
75 | entry = KERNEL_LOAD_ADDR; |
76 | } | |
77 | if (kernel_size < 0) { | |
45876e91 | 78 | error_report("Could not load kernel '%s'", kernel_filename); |
0633879f PB |
79 | exit(1); |
80 | } | |
81 | ||
82 | env->pc = entry; | |
83 | } | |
84 | ||
e264d29d | 85 | static void an5206_machine_init(MachineClass *mc) |
f80f9ec9 | 86 | { |
e264d29d EH |
87 | mc->desc = "Arnewsh 5206"; |
88 | mc->init = an5206_init; | |
25a20b36 | 89 | mc->default_cpu_type = M68K_CPU_TYPE_NAME("m5206"); |
c55f97a0 | 90 | mc->default_ram_id = "an5206.ram"; |
f80f9ec9 AL |
91 | } |
92 | ||
e264d29d | 93 | DEFINE_MACHINE("an5206", an5206_machine_init) |