target/s390: Use tcg_gen_lookup_and_goto_ptr
[qemu.git] / hw / xtensa / sim.c
blobb27e28d802eea98c1341fbb4c31499715e392878
1 /*
2 * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
3 * All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the Open Source and Linux Lab nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include "qemu/osdep.h"
29 #include "qapi/error.h"
30 #include "qemu-common.h"
31 #include "cpu.h"
32 #include "sysemu/sysemu.h"
33 #include "hw/boards.h"
34 #include "hw/loader.h"
35 #include "elf.h"
36 #include "exec/memory.h"
37 #include "exec/address-spaces.h"
38 #include "qemu/error-report.h"
40 static void xtensa_create_memory_regions(const XtensaMemory *memory,
41 const char *name)
43 unsigned i;
44 GString *num_name = g_string_new(NULL);
46 for (i = 0; i < memory->num; ++i) {
47 MemoryRegion *m;
49 g_string_printf(num_name, "%s%u", name, i);
50 m = g_new(MemoryRegion, 1);
51 memory_region_init_ram(m, NULL, num_name->str,
52 memory->location[i].size,
53 &error_fatal);
54 vmstate_register_ram_global(m);
55 memory_region_add_subregion(get_system_memory(),
56 memory->location[i].addr, m);
58 g_string_free(num_name, true);
61 static uint64_t translate_phys_addr(void *opaque, uint64_t addr)
63 XtensaCPU *cpu = opaque;
65 return cpu_get_phys_page_debug(CPU(cpu), addr);
68 static void sim_reset(void *opaque)
70 XtensaCPU *cpu = opaque;
72 cpu_reset(CPU(cpu));
75 static void xtensa_sim_init(MachineState *machine)
77 XtensaCPU *cpu = NULL;
78 CPUXtensaState *env = NULL;
79 ram_addr_t ram_size = machine->ram_size;
80 const char *cpu_model = machine->cpu_model;
81 const char *kernel_filename = machine->kernel_filename;
82 int n;
84 if (!cpu_model) {
85 cpu_model = XTENSA_DEFAULT_CPU_MODEL;
88 for (n = 0; n < smp_cpus; n++) {
89 cpu = cpu_xtensa_init(cpu_model);
90 if (cpu == NULL) {
91 error_report("unable to find CPU definition '%s'",
92 cpu_model);
93 exit(EXIT_FAILURE);
95 env = &cpu->env;
97 env->sregs[PRID] = n;
98 qemu_register_reset(sim_reset, cpu);
99 /* Need MMU initialized prior to ELF loading,
100 * so that ELF gets loaded into virtual addresses
102 sim_reset(cpu);
105 if (env) {
106 XtensaMemory sysram = env->config->sysram;
108 sysram.location[0].size = ram_size;
109 xtensa_create_memory_regions(&env->config->instrom, "xtensa.instrom");
110 xtensa_create_memory_regions(&env->config->instram, "xtensa.instram");
111 xtensa_create_memory_regions(&env->config->datarom, "xtensa.datarom");
112 xtensa_create_memory_regions(&env->config->dataram, "xtensa.dataram");
113 xtensa_create_memory_regions(&env->config->sysrom, "xtensa.sysrom");
114 xtensa_create_memory_regions(&sysram, "xtensa.sysram");
117 if (kernel_filename) {
118 uint64_t elf_entry;
119 uint64_t elf_lowaddr;
120 #ifdef TARGET_WORDS_BIGENDIAN
121 int success = load_elf(kernel_filename, translate_phys_addr, cpu,
122 &elf_entry, &elf_lowaddr, NULL, 1, EM_XTENSA, 0, 0);
123 #else
124 int success = load_elf(kernel_filename, translate_phys_addr, cpu,
125 &elf_entry, &elf_lowaddr, NULL, 0, EM_XTENSA, 0, 0);
126 #endif
127 if (success > 0) {
128 env->pc = elf_entry;
133 static void xtensa_sim_machine_init(MachineClass *mc)
135 mc->desc = "sim machine (" XTENSA_DEFAULT_CPU_MODEL ")";
136 mc->is_default = true;
137 mc->init = xtensa_sim_init;
138 mc->max_cpus = 4;
141 DEFINE_MACHINE("sim", xtensa_sim_machine_init)