diff options
Diffstat (limited to 'qemu/hw/xtensa/sim.c')
| -rw-r--r-- | qemu/hw/xtensa/sim.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/qemu/hw/xtensa/sim.c b/qemu/hw/xtensa/sim.c deleted file mode 100644 index 5e9400426..000000000 --- a/qemu/hw/xtensa/sim.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the Open Source and Linux Lab nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "cpu.h" -#include "sysemu/sysemu.h" -#include "hw/boards.h" -#include "hw/loader.h" -#include "elf.h" -#include "exec/memory.h" -#include "exec/address-spaces.h" -#include "qemu/error-report.h" - -static uint64_t translate_phys_addr(void *opaque, uint64_t addr) -{ - XtensaCPU *cpu = opaque; - - return cpu_get_phys_page_debug(CPU(cpu), addr); -} - -static void sim_reset(void *opaque) -{ - XtensaCPU *cpu = opaque; - - cpu_reset(CPU(cpu)); -} - -static void xtensa_sim_init(MachineState *machine) -{ - XtensaCPU *cpu = NULL; - CPUXtensaState *env = NULL; - MemoryRegion *ram, *rom; - ram_addr_t ram_size = machine->ram_size; - const char *cpu_model = machine->cpu_model; - const char *kernel_filename = machine->kernel_filename; - int n; - - if (!cpu_model) { - cpu_model = XTENSA_DEFAULT_CPU_MODEL; - } - - for (n = 0; n < smp_cpus; n++) { - cpu = cpu_xtensa_init(cpu_model); - if (cpu == NULL) { - error_report("unable to find CPU definition '%s'", - cpu_model); - exit(EXIT_FAILURE); - } - env = &cpu->env; - - env->sregs[PRID] = n; - qemu_register_reset(sim_reset, cpu); - /* Need MMU initialized prior to ELF loading, - * so that ELF gets loaded into virtual addresses - */ - sim_reset(cpu); - } - - ram = g_malloc(sizeof(*ram)); - memory_region_init_ram(ram, NULL, "xtensa.sram", ram_size, &error_fatal); - vmstate_register_ram_global(ram); - memory_region_add_subregion(get_system_memory(), 0, ram); - - rom = g_malloc(sizeof(*rom)); - memory_region_init_ram(rom, NULL, "xtensa.rom", 0x1000, &error_fatal); - vmstate_register_ram_global(rom); - memory_region_add_subregion(get_system_memory(), 0xfe000000, rom); - - if (kernel_filename) { - uint64_t elf_entry; - uint64_t elf_lowaddr; -#ifdef TARGET_WORDS_BIGENDIAN - int success = load_elf(kernel_filename, translate_phys_addr, cpu, - &elf_entry, &elf_lowaddr, NULL, 1, EM_XTENSA, 0, 0); -#else - int success = load_elf(kernel_filename, translate_phys_addr, cpu, - &elf_entry, &elf_lowaddr, NULL, 0, EM_XTENSA, 0, 0); -#endif - if (success > 0) { - env->pc = elf_entry; - } - } -} - -static void xtensa_sim_machine_init(MachineClass *mc) -{ - mc->desc = "sim machine (" XTENSA_DEFAULT_CPU_MODEL ")"; - mc->is_default = true; - mc->init = xtensa_sim_init; - mc->max_cpus = 4; -} - -DEFINE_MACHINE("sim", xtensa_sim_machine_init) |