linux-user, arm: add syscall table generation support
[qemu.git] / hw / m68k / an5206.c
1 /*
2 * Arnewsh 5206 ColdFire system emulation.
3 *
4 * Copyright (c) 2007 CodeSourcery.
5 *
6 * This code is licensed under the GPL
7 */
8
9 #include "qemu/osdep.h"
10 #include "qapi/error.h"
11 #include "cpu.h"
12 #include "hw/m68k/mcf.h"
13 #include "hw/boards.h"
14 #include "hw/loader.h"
15 #include "elf.h"
16 #include "exec/address-spaces.h"
17 #include "qemu/error-report.h"
18 #include "sysemu/qtest.h"
19
20 #define KERNEL_LOAD_ADDR 0x10000
21 #define AN5206_MBAR_ADDR 0x10000000
22 #define AN5206_RAMBAR_ADDR 0x20000000
23
24 /* Board init. */
25
26 static void an5206_init(MachineState *machine)
27 {
28 ram_addr_t ram_size = machine->ram_size;
29 const char *kernel_filename = machine->kernel_filename;
30 M68kCPU *cpu;
31 CPUM68KState *env;
32 int kernel_size;
33 uint64_t elf_entry;
34 hwaddr entry;
35 MemoryRegion *address_space_mem = get_system_memory();
36 MemoryRegion *sram = g_new(MemoryRegion, 1);
37
38 cpu = M68K_CPU(cpu_create(machine->cpu_type));
39 env = &cpu->env;
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 */
48 memory_region_add_subregion(address_space_mem, 0, machine->ram);
49
50 /* Internal SRAM. */
51 memory_region_init_ram(sram, NULL, "an5206.sram", 512, &error_fatal);
52 memory_region_add_subregion(address_space_mem, AN5206_RAMBAR_ADDR, sram);
53
54 mcf5206_init(address_space_mem, AN5206_MBAR_ADDR, cpu);
55
56 /* Load kernel. */
57 if (!kernel_filename) {
58 if (qtest_enabled()) {
59 return;
60 }
61 error_report("Kernel image must be specified");
62 exit(1);
63 }
64
65 kernel_size = load_elf(kernel_filename, NULL, NULL, NULL, &elf_entry,
66 NULL, NULL, NULL, 1, EM_68K, 0, 0);
67 entry = elf_entry;
68 if (kernel_size < 0) {
69 kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL,
70 NULL, NULL);
71 }
72 if (kernel_size < 0) {
73 kernel_size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR,
74 ram_size - KERNEL_LOAD_ADDR);
75 entry = KERNEL_LOAD_ADDR;
76 }
77 if (kernel_size < 0) {
78 error_report("Could not load kernel '%s'", kernel_filename);
79 exit(1);
80 }
81
82 env->pc = entry;
83 }
84
85 static void an5206_machine_init(MachineClass *mc)
86 {
87 mc->desc = "Arnewsh 5206";
88 mc->init = an5206_init;
89 mc->default_cpu_type = M68K_CPU_TYPE_NAME("m5206");
90 mc->default_ram_id = "an5206.ram";
91 }
92
93 DEFINE_MACHINE("an5206", an5206_machine_init)