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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 | 30 | ram_addr_t ram_size = machine->ram_size; |
3ef96221 | 31 | const char *kernel_filename = machine->kernel_filename; |
4025cfd5 | 32 | M68kCPU *cpu; |
7927df3a | 33 | CPUM68KState *env; |
0633879f PB |
34 | int kernel_size; |
35 | uint64_t elf_entry; | |
a8170e5e | 36 | hwaddr entry; |
72e4d255 AK |
37 | MemoryRegion *address_space_mem = get_system_memory(); |
38 | MemoryRegion *ram = g_new(MemoryRegion, 1); | |
39 | MemoryRegion *sram = g_new(MemoryRegion, 1); | |
0633879f | 40 | |
25a20b36 | 41 | cpu = M68K_CPU(cpu_create(machine->cpu_type)); |
4025cfd5 | 42 | env = &cpu->env; |
0633879f PB |
43 | |
44 | /* Initialize CPU registers. */ | |
45 | env->vbr = 0; | |
46 | /* TODO: allow changing MBAR and RAMBAR. */ | |
47 | env->mbar = AN5206_MBAR_ADDR | 1; | |
48 | env->rambar0 = AN5206_RAMBAR_ADDR | 1; | |
49 | ||
50 | /* DRAM at address zero */ | |
1d5bfde1 | 51 | memory_region_allocate_system_memory(ram, NULL, "an5206.ram", ram_size); |
72e4d255 | 52 | memory_region_add_subregion(address_space_mem, 0, ram); |
0633879f PB |
53 | |
54 | /* Internal SRAM. */ | |
98a99ce0 | 55 | memory_region_init_ram(sram, NULL, "an5206.sram", 512, &error_fatal); |
72e4d255 | 56 | memory_region_add_subregion(address_space_mem, AN5206_RAMBAR_ADDR, sram); |
0633879f | 57 | |
4025cfd5 | 58 | mcf5206_init(address_space_mem, AN5206_MBAR_ADDR, cpu); |
0633879f PB |
59 | |
60 | /* Load kernel. */ | |
61 | if (!kernel_filename) { | |
19c82aac AF |
62 | if (qtest_enabled()) { |
63 | return; | |
64 | } | |
45876e91 | 65 | error_report("Kernel image must be specified"); |
0633879f PB |
66 | exit(1); |
67 | } | |
68 | ||
4366e1db | 69 | kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry, |
7ef295ea | 70 | NULL, NULL, 1, EM_68K, 0, 0); |
0633879f PB |
71 | entry = elf_entry; |
72 | if (kernel_size < 0) { | |
25bda50a MF |
73 | kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL, |
74 | NULL, NULL); | |
0633879f PB |
75 | } |
76 | if (kernel_size < 0) { | |
dcac9679 PB |
77 | kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR, |
78 | ram_size - KERNEL_LOAD_ADDR); | |
0633879f PB |
79 | entry = KERNEL_LOAD_ADDR; |
80 | } | |
81 | if (kernel_size < 0) { | |
45876e91 | 82 | error_report("Could not load kernel '%s'", kernel_filename); |
0633879f PB |
83 | exit(1); |
84 | } | |
85 | ||
86 | env->pc = entry; | |
87 | } | |
88 | ||
e264d29d | 89 | static void an5206_machine_init(MachineClass *mc) |
f80f9ec9 | 90 | { |
e264d29d EH |
91 | mc->desc = "Arnewsh 5206"; |
92 | mc->init = an5206_init; | |
25a20b36 | 93 | mc->default_cpu_type = M68K_CPU_TYPE_NAME("m5206"); |
f80f9ec9 AL |
94 | } |
95 | ||
e264d29d | 96 | DEFINE_MACHINE("an5206", an5206_machine_init) |