diff options
Diffstat (limited to 'hw/moxie/moxiesim.c')
| -rw-r--r-- | hw/moxie/moxiesim.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/hw/moxie/moxiesim.c b/hw/moxie/moxiesim.c deleted file mode 100644 index 3d255d4879..0000000000 --- a/hw/moxie/moxiesim.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * QEMU/moxiesim emulation - * - * Emulates a very simple machine model similar to the one used by the - * GDB moxie simulator. - * - * Copyright (c) 2008, 2009, 2010, 2013 Anthony Green - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "qemu/error-report.h" -#include "qapi/error.h" -#include "cpu.h" -#include "net/net.h" -#include "sysemu/reset.h" -#include "sysemu/sysemu.h" -#include "hw/boards.h" -#include "hw/loader.h" -#include "hw/char/serial.h" -#include "elf.h" - -#define PHYS_MEM_BASE 0x80000000 -#define FIRMWARE_BASE 0x1000 -#define FIRMWARE_SIZE (128 * 0x1000) - -typedef struct { - uint64_t ram_size; - const char *kernel_filename; - const char *kernel_cmdline; - const char *initrd_filename; -} LoaderParams; - -static void load_kernel(MoxieCPU *cpu, LoaderParams *loader_params) -{ - uint64_t entry, kernel_high; - int64_t initrd_size; - long kernel_size; - ram_addr_t initrd_offset; - - kernel_size = load_elf(loader_params->kernel_filename, NULL, NULL, NULL, - &entry, NULL, &kernel_high, NULL, 1, EM_MOXIE, - 0, 0); - - if (kernel_size <= 0) { - error_report("could not load kernel '%s'", - loader_params->kernel_filename); - exit(1); - } - - /* load initrd */ - initrd_size = 0; - initrd_offset = 0; - if (loader_params->initrd_filename) { - initrd_size = get_image_size(loader_params->initrd_filename); - if (initrd_size > 0) { - initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) - & TARGET_PAGE_MASK; - if (initrd_offset + initrd_size > loader_params->ram_size) { - error_report("memory too small for initial ram disk '%s'", - loader_params->initrd_filename); - exit(1); - } - initrd_size = load_image_targphys(loader_params->initrd_filename, - initrd_offset, - loader_params->ram_size); - } - if (initrd_size == (target_ulong)-1) { - error_report("could not load initial ram disk '%s'", - loader_params->initrd_filename); - exit(1); - } - } -} - -static void main_cpu_reset(void *opaque) -{ - MoxieCPU *cpu = opaque; - - cpu_reset(CPU(cpu)); -} - -static void moxiesim_init(MachineState *machine) -{ - MoxieCPU *cpu = NULL; - ram_addr_t ram_size = machine->ram_size; - const char *kernel_filename = machine->kernel_filename; - const char *kernel_cmdline = machine->kernel_cmdline; - const char *initrd_filename = machine->initrd_filename; - CPUMoxieState *env; - MemoryRegion *address_space_mem = get_system_memory(); - MemoryRegion *ram = g_new(MemoryRegion, 1); - MemoryRegion *rom = g_new(MemoryRegion, 1); - hwaddr ram_base = 0x200000; - LoaderParams loader_params; - - /* Init CPUs. */ - cpu = MOXIE_CPU(cpu_create(machine->cpu_type)); - env = &cpu->env; - - qemu_register_reset(main_cpu_reset, cpu); - - /* Allocate RAM. */ - memory_region_init_ram(ram, NULL, "moxiesim.ram", ram_size, &error_fatal); - memory_region_add_subregion(address_space_mem, ram_base, ram); - - memory_region_init_ram(rom, NULL, "moxie.rom", FIRMWARE_SIZE, &error_fatal); - memory_region_add_subregion(get_system_memory(), FIRMWARE_BASE, rom); - - if (kernel_filename) { - loader_params.ram_size = ram_size; - loader_params.kernel_filename = kernel_filename; - loader_params.kernel_cmdline = kernel_cmdline; - loader_params.initrd_filename = initrd_filename; - load_kernel(cpu, &loader_params); - } - if (machine->firmware) { - if (load_image_targphys(machine->firmware, FIRMWARE_BASE, FIRMWARE_SIZE) < 0) { - error_report("Failed to load firmware '%s'", machine->firmware); - } - } - - /* A single 16450 sits at offset 0x3f8. */ - if (serial_hd(0)) { - serial_mm_init(address_space_mem, 0x3f8, 0, env->irq[4], - 8000000/16, serial_hd(0), DEVICE_LITTLE_ENDIAN); - } -} - -static void moxiesim_machine_init(MachineClass *mc) -{ - mc->desc = "Moxie simulator platform"; - mc->init = moxiesim_init; - mc->is_default = true; - mc->default_cpu_type = MOXIE_CPU_TYPE_NAME("MoxieLite"); -} - -DEFINE_MACHINE("moxiesim", moxiesim_machine_init) |