| /* Copyright (C) 2007-2008 The Android Open Source Project |
| ** |
| ** This software is licensed under the terms of the GNU General Public |
| ** License version 2, as published by the Free Software Foundation, and |
| ** may be copied, distributed, and modified under those terms. |
| ** |
| ** This program is distributed in the hope that it will be useful, |
| ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| ** GNU General Public License for more details. |
| */ |
| #include "hw.h" |
| #include "boards.h" |
| #include "devices.h" |
| #include "net.h" |
| #include "sysemu.h" |
| #include "mips.h" |
| #include "goldfish_device.h" |
| #include "android/globals.h" |
| #include "audio/audio.h" |
| #include "blockdev.h" |
| #ifdef CONFIG_MEMCHECK |
| #include "memcheck/memcheck_api.h" |
| #endif // CONFIG_MEMCHECK |
| |
| #include "android/utils/debug.h" |
| |
| #define D(...) VERBOSE_PRINT(init,__VA_ARGS__) |
| |
| #define MIPS_CPU_SAVE_VERSION 1 |
| #define GOLDFISH_IO_SPACE 0x1f000000 |
| #define GOLDFISH_INTERRUPT 0x1f000000 |
| #define GOLDFISH_DEVICEBUS 0x1f001000 |
| #define GOLDFISH_TTY 0x1f002000 |
| #define GOLDFISH_RTC 0x1f003000 |
| #define GOLDFISH_AUDIO 0x1f004000 |
| #define GOLDFISH_MMC 0x1f005000 |
| #define GOLDFISH_MEMLOG 0x1f006000 |
| #define GOLDFISH_DEVICES 0x1f010000 |
| |
| char* audio_input_source = NULL; |
| |
| void goldfish_memlog_init(uint32_t base); |
| |
| static struct goldfish_device event0_device = { |
| .name = "goldfish_events", |
| .id = 0, |
| .size = 0x1000, |
| .irq_count = 1 |
| }; |
| |
| static struct goldfish_device nand_device = { |
| .name = "goldfish_nand", |
| .id = 0, |
| .size = 0x1000 |
| }; |
| |
| /* Board init. */ |
| |
| #define TEST_SWITCH 1 |
| #if TEST_SWITCH |
| uint32_t switch_test_write(void *opaque, uint32_t state) |
| { |
| goldfish_switch_set_state(opaque, state); |
| return state; |
| } |
| #endif |
| |
| #define VIRT_TO_PHYS_ADDEND (-((int64_t)(int32_t)0x80000000)) |
| |
| #define PHYS_TO_VIRT(x) ((x) | ~(target_ulong)0x7fffffff) |
| |
| static void android_load_kernel(CPUState *env, int ram_size, const char *kernel_filename, |
| const char *kernel_cmdline, const char *initrd_filename) |
| { |
| int initrd_size; |
| ram_addr_t initrd_offset; |
| uint64_t kernel_entry, kernel_low, kernel_high; |
| unsigned int cmdline; |
| |
| /* Load the kernel. */ |
| if (!kernel_filename) { |
| fprintf(stderr, "Kernel image must be specified\n"); |
| exit(1); |
| } |
| if (load_elf(kernel_filename, VIRT_TO_PHYS_ADDEND, |
| (uint64_t *)&kernel_entry, (uint64_t *)&kernel_low, |
| (uint64_t *)&kernel_high) < 0) { |
| fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); |
| exit(1); |
| } |
| env->active_tc.PC = (int32_t)kernel_entry; |
| |
| /* load initrd */ |
| initrd_size = 0; |
| initrd_offset = 0; |
| if (initrd_filename) { |
| initrd_size = get_image_size (initrd_filename); |
| if (initrd_size > 0) { |
| initrd_offset = (kernel_high + ~TARGET_PAGE_MASK) & TARGET_PAGE_MASK; |
| if (initrd_offset + initrd_size > ram_size) { |
| fprintf(stderr, |
| "qemu: memory too small for initial ram disk '%s'\n", |
| initrd_filename); |
| exit(1); |
| } |
| initrd_size = load_image_targphys(initrd_filename, |
| initrd_offset, |
| ram_size - initrd_offset); |
| |
| } |
| if (initrd_size == (target_ulong) -1) { |
| fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", |
| initrd_filename); |
| exit(1); |
| } |
| } |
| |
| /* Store command line in top page of memory |
| * kernel will copy the command line to a loca buffer |
| */ |
| cmdline = ram_size - TARGET_PAGE_SIZE; |
| char kernel_cmd[1024]; |
| if (initrd_size > 0) |
| sprintf (kernel_cmd, "%s rd_start=0x" TARGET_FMT_lx " rd_size=%li", |
| kernel_cmdline, |
| PHYS_TO_VIRT(initrd_offset), initrd_size); |
| else |
| strcpy (kernel_cmd, kernel_cmdline); |
| |
| cpu_physical_memory_write(ram_size - TARGET_PAGE_SIZE, (void *)kernel_cmd, strlen(kernel_cmd) + 1); |
| |
| #if 0 |
| if (initrd_size > 0) |
| sprintf (phys_ram_base+cmdline, "%s rd_start=0x" TARGET_FMT_lx " rd_size=%li", |
| kernel_cmdline, |
| PHYS_TO_VIRT(initrd_offset), initrd_size); |
| else |
| strcpy (phys_ram_base+cmdline, kernel_cmdline); |
| #endif |
| |
| env->active_tc.gpr[4] = PHYS_TO_VIRT(cmdline);/* a0 */ |
| env->active_tc.gpr[5] = ram_size; /* a1 */ |
| env->active_tc.gpr[6] = 0; /* a2 */ |
| env->active_tc.gpr[7] = 0; /* a3 */ |
| |
| } |
| |
| |
| static void android_mips_init_(ram_addr_t ram_size, |
| const char *boot_device, |
| const char *kernel_filename, |
| const char *kernel_cmdline, |
| const char *initrd_filename, |
| const char *cpu_model) |
| { |
| CPUState *env; |
| qemu_irq *goldfish_pic; |
| int i; |
| ram_addr_t ram_offset; |
| |
| if (!cpu_model) |
| cpu_model = "24Kf"; |
| |
| env = cpu_init(cpu_model); |
| |
| register_savevm( "cpu", 0, MIPS_CPU_SAVE_VERSION, cpu_save, cpu_load, env ); |
| |
| if (ram_size > GOLDFISH_IO_SPACE) |
| ram_size = GOLDFISH_IO_SPACE; /* avoid overlap of ram and IO regs */ |
| ram_offset = qemu_ram_alloc(NULL, "android_mips", ram_size); |
| cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM); |
| |
| /* Init internal devices */ |
| cpu_mips_irq_init_cpu(env); |
| cpu_mips_clock_init(env); |
| |
| goldfish_pic = goldfish_interrupt_init(GOLDFISH_INTERRUPT, |
| env->irq[2], env->irq[3]); |
| goldfish_device_init(goldfish_pic, GOLDFISH_DEVICES, 0x7f0000, 10, 22); |
| |
| goldfish_device_bus_init(GOLDFISH_DEVICEBUS, 1); |
| |
| goldfish_timer_and_rtc_init(GOLDFISH_RTC, 3); |
| |
| goldfish_tty_add(serial_hds[0], 0, GOLDFISH_TTY, 4); |
| for(i = 1; i < MAX_SERIAL_PORTS; i++) { |
| if(serial_hds[i]) { |
| goldfish_tty_add(serial_hds[i], i, 0, 0); |
| } |
| } |
| |
| for(i = 0; i < MAX_NICS; i++) { |
| if (nd_table[i].vlan) { |
| if (nd_table[i].model == NULL |
| || strcmp(nd_table[i].model, "smc91c111") == 0) { |
| struct goldfish_device *smc_device; |
| smc_device = qemu_mallocz(sizeof(*smc_device)); |
| smc_device->name = "smc91x"; |
| smc_device->id = i; |
| smc_device->size = 0x1000; |
| smc_device->irq_count = 1; |
| goldfish_add_device_no_io(smc_device); |
| smc91c111_init(&nd_table[i], smc_device->base, goldfish_pic[smc_device->irq]); |
| } else { |
| fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model); |
| exit (1); |
| } |
| } |
| } |
| |
| goldfish_fb_init(0); |
| #ifdef HAS_AUDIO |
| goldfish_audio_init(GOLDFISH_AUDIO, 0, audio_input_source); |
| #endif |
| { |
| DriveInfo* info = drive_get( IF_IDE, 0, 0 ); |
| if (info != NULL) { |
| goldfish_mmc_init(GOLDFISH_MMC, 0, info->bdrv); |
| } |
| } |
| goldfish_memlog_init(GOLDFISH_MEMLOG); |
| |
| if (android_hw->hw_battery) |
| goldfish_battery_init(); |
| |
| goldfish_add_device_no_io(&event0_device); |
| events_dev_init(event0_device.base, goldfish_pic[event0_device.irq]); |
| |
| #ifdef CONFIG_NAND |
| goldfish_add_device_no_io(&nand_device); |
| nand_dev_init(nand_device.base); |
| #endif |
| #ifdef CONFIG_TRACE |
| extern const char *trace_filename; |
| /* Init trace device if either tracing, or memory checking is enabled. */ |
| if (trace_filename != NULL |
| #ifdef CONFIG_MEMCHECK |
| || memcheck_enabled |
| #endif // CONFIG_MEMCHECK |
| ) { |
| trace_dev_init(); |
| } |
| if (trace_filename != NULL) { |
| D( "Trace file name is set to %s\n", trace_filename ); |
| } else { |
| D("Trace file name is not set\n"); |
| } |
| #endif |
| |
| pipe_dev_init(); |
| |
| #if TEST_SWITCH |
| { |
| void *sw; |
| sw = goldfish_switch_add("test", NULL, NULL, 0); |
| goldfish_switch_set_state(sw, 1); |
| goldfish_switch_add("test2", switch_test_write, sw, 1); |
| } |
| #endif |
| |
| android_load_kernel(env, ram_size, kernel_filename, kernel_cmdline, initrd_filename); |
| } |
| |
| |
| QEMUMachine android_mips_machine = { |
| "android_mips", |
| "MIPS Android Emulator", |
| android_mips_init_, |
| 0, |
| 0, |
| 1, |
| NULL |
| }; |
| |
| static void android_mips_init(void) |
| { |
| qemu_register_machine(&android_mips_machine); |
| } |
| |
| machine_init(android_mips_init); |
