From 530182169e897c0e401b245552a4c58dc6846912 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 5 Feb 2013 12:03:15 +0100 Subject: hw: move boards and other isolated files to hw/ARCH Signed-off-by: Paolo Bonzini --- hw/mips_r4k.c | 313 ---------------------------------------------------------- 1 file changed, 313 deletions(-) delete mode 100644 hw/mips_r4k.c (limited to 'hw/mips_r4k.c') diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c deleted file mode 100644 index 539a562620..0000000000 --- a/hw/mips_r4k.c +++ /dev/null @@ -1,313 +0,0 @@ -/* - * QEMU/MIPS pseudo-board - * - * emulates a simple machine with ISA-like bus. - * ISA IO space mapped to the 0x14000000 (PHYS) and - * ISA memory at the 0x10000000 (PHYS, 16Mb in size). - * All peripherial devices are attached to this "bus" with - * the standard PC ISA addresses. -*/ -#include "hw/hw.h" -#include "hw/mips.h" -#include "hw/mips_cpudevs.h" -#include "hw/pc.h" -#include "hw/serial.h" -#include "hw/isa.h" -#include "net/net.h" -#include "sysemu/sysemu.h" -#include "hw/boards.h" -#include "hw/flash.h" -#include "qemu/log.h" -#include "hw/mips-bios.h" -#include "hw/ide.h" -#include "hw/loader.h" -#include "elf.h" -#include "hw/mc146818rtc.h" -#include "hw/i8254.h" -#include "sysemu/blockdev.h" -#include "exec/address-spaces.h" - -#define MAX_IDE_BUS 2 - -static const int ide_iobase[2] = { 0x1f0, 0x170 }; -static const int ide_iobase2[2] = { 0x3f6, 0x376 }; -static const int ide_irq[2] = { 14, 15 }; - -static ISADevice *pit; /* PIT i8254 */ - -/* i8254 PIT is attached to the IRQ0 at PIC i8259 */ - -static struct _loaderparams { - int ram_size; - const char *kernel_filename; - const char *kernel_cmdline; - const char *initrd_filename; -} loaderparams; - -static void mips_qemu_write (void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - if ((addr & 0xffff) == 0 && val == 42) - qemu_system_reset_request (); - else if ((addr & 0xffff) == 4 && val == 42) - qemu_system_shutdown_request (); -} - -static uint64_t mips_qemu_read (void *opaque, hwaddr addr, - unsigned size) -{ - return 0; -} - -static const MemoryRegionOps mips_qemu_ops = { - .read = mips_qemu_read, - .write = mips_qemu_write, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -typedef struct ResetData { - MIPSCPU *cpu; - uint64_t vector; -} ResetData; - -static int64_t load_kernel(void) -{ - int64_t entry, kernel_high; - long kernel_size, initrd_size, params_size; - ram_addr_t initrd_offset; - uint32_t *params_buf; - int big_endian; - -#ifdef TARGET_WORDS_BIGENDIAN - big_endian = 1; -#else - big_endian = 0; -#endif - kernel_size = load_elf(loaderparams.kernel_filename, cpu_mips_kseg0_to_phys, - NULL, (uint64_t *)&entry, NULL, - (uint64_t *)&kernel_high, big_endian, - ELF_MACHINE, 1); - if (kernel_size >= 0) { - if ((entry & ~0x7fffffffULL) == 0x80000000) - entry = (int32_t)entry; - } else { - fprintf(stderr, "qemu: could not load kernel '%s'\n", - loaderparams.kernel_filename); - exit(1); - } - - /* load initrd */ - initrd_size = 0; - initrd_offset = 0; - if (loaderparams.initrd_filename) { - initrd_size = get_image_size (loaderparams.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", - loaderparams.initrd_filename); - exit(1); - } - initrd_size = load_image_targphys(loaderparams.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", - loaderparams.initrd_filename); - exit(1); - } - } - - /* Store command line. */ - params_size = 264; - params_buf = g_malloc(params_size); - - params_buf[0] = tswap32(ram_size); - params_buf[1] = tswap32(0x12345678); - - if (initrd_size > 0) { - snprintf((char *)params_buf + 8, 256, "rd_start=0x%" PRIx64 " rd_size=%li %s", - cpu_mips_phys_to_kseg0(NULL, initrd_offset), - initrd_size, loaderparams.kernel_cmdline); - } else { - snprintf((char *)params_buf + 8, 256, "%s", loaderparams.kernel_cmdline); - } - - rom_add_blob_fixed("params", params_buf, params_size, - (16 << 20) - 264); - - return entry; -} - -static void main_cpu_reset(void *opaque) -{ - ResetData *s = (ResetData *)opaque; - CPUMIPSState *env = &s->cpu->env; - - cpu_reset(CPU(s->cpu)); - env->active_tc.PC = s->vector; -} - -static const int sector_len = 32 * 1024; -static -void mips_r4k_init(QEMUMachineInitArgs *args) -{ - ram_addr_t ram_size = args->ram_size; - const char *cpu_model = args->cpu_model; - const char *kernel_filename = args->kernel_filename; - const char *kernel_cmdline = args->kernel_cmdline; - const char *initrd_filename = args->initrd_filename; - char *filename; - MemoryRegion *address_space_mem = get_system_memory(); - MemoryRegion *ram = g_new(MemoryRegion, 1); - MemoryRegion *bios; - MemoryRegion *iomem = g_new(MemoryRegion, 1); - int bios_size; - MIPSCPU *cpu; - CPUMIPSState *env; - ResetData *reset_info; - int i; - qemu_irq *i8259; - ISABus *isa_bus; - DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; - DriveInfo *dinfo; - int be; - - /* init CPUs */ - if (cpu_model == NULL) { -#ifdef TARGET_MIPS64 - cpu_model = "R4000"; -#else - cpu_model = "24Kf"; -#endif - } - cpu = cpu_mips_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "Unable to find CPU definition\n"); - exit(1); - } - env = &cpu->env; - - reset_info = g_malloc0(sizeof(ResetData)); - reset_info->cpu = cpu; - reset_info->vector = env->active_tc.PC; - qemu_register_reset(main_cpu_reset, reset_info); - - /* allocate RAM */ - if (ram_size > (256 << 20)) { - fprintf(stderr, - "qemu: Too much memory for this machine: %d MB, maximum 256 MB\n", - ((unsigned int)ram_size / (1 << 20))); - exit(1); - } - memory_region_init_ram(ram, "mips_r4k.ram", ram_size); - vmstate_register_ram_global(ram); - - memory_region_add_subregion(address_space_mem, 0, ram); - - memory_region_init_io(iomem, &mips_qemu_ops, NULL, "mips-qemu", 0x10000); - memory_region_add_subregion(address_space_mem, 0x1fbf0000, iomem); - - /* Try to load a BIOS image. If this fails, we continue regardless, - but initialize the hardware ourselves. When a kernel gets - preloaded we also initialize the hardware, since the BIOS wasn't - run. */ - if (bios_name == NULL) - bios_name = BIOS_FILENAME; - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - if (filename) { - bios_size = get_image_size(filename); - } else { - bios_size = -1; - } -#ifdef TARGET_WORDS_BIGENDIAN - be = 1; -#else - be = 0; -#endif - if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) { - bios = g_new(MemoryRegion, 1); - memory_region_init_ram(bios, "mips_r4k.bios", BIOS_SIZE); - vmstate_register_ram_global(bios); - memory_region_set_readonly(bios, true); - memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios); - - load_image_targphys(filename, 0x1fc00000, BIOS_SIZE); - } else if ((dinfo = drive_get(IF_PFLASH, 0, 0)) != NULL) { - uint32_t mips_rom = 0x00400000; - if (!pflash_cfi01_register(0x1fc00000, NULL, "mips_r4k.bios", mips_rom, - dinfo->bdrv, sector_len, - mips_rom / sector_len, - 4, 0, 0, 0, 0, be)) { - fprintf(stderr, "qemu: Error registering flash memory.\n"); - } - } - else { - /* not fatal */ - fprintf(stderr, "qemu: Warning, could not load MIPS bios '%s'\n", - bios_name); - } - if (filename) { - g_free(filename); - } - - if (kernel_filename) { - loaderparams.ram_size = ram_size; - loaderparams.kernel_filename = kernel_filename; - loaderparams.kernel_cmdline = kernel_cmdline; - loaderparams.initrd_filename = initrd_filename; - reset_info->vector = load_kernel(); - } - - /* Init CPU internal devices */ - cpu_mips_irq_init_cpu(env); - cpu_mips_clock_init(env); - - /* The PIC is attached to the MIPS CPU INT0 pin */ - isa_bus = isa_bus_new(NULL, get_system_io()); - i8259 = i8259_init(isa_bus, env->irq[2]); - isa_bus_irqs(isa_bus, i8259); - - rtc_init(isa_bus, 2000, NULL); - - /* Register 64 KB of ISA IO space at 0x14000000 */ - isa_mmio_init(0x14000000, 0x00010000); - isa_mem_base = 0x10000000; - - pit = pit_init(isa_bus, 0x40, 0, NULL); - - for(i = 0; i < MAX_SERIAL_PORTS; i++) { - if (serial_hds[i]) { - serial_isa_init(isa_bus, i, serial_hds[i]); - } - } - - isa_vga_init(isa_bus); - - if (nd_table[0].used) - isa_ne2000_init(isa_bus, 0x300, 9, &nd_table[0]); - - ide_drive_get(hd, MAX_IDE_BUS); - for(i = 0; i < MAX_IDE_BUS; i++) - isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i], - hd[MAX_IDE_DEVS * i], - hd[MAX_IDE_DEVS * i + 1]); - - isa_create_simple(isa_bus, "i8042"); -} - -static QEMUMachine mips_machine = { - .name = "mips", - .desc = "mips r4k platform", - .init = mips_r4k_init, - DEFAULT_MACHINE_OPTIONS, -}; - -static void mips_machine_init(void) -{ - qemu_register_machine(&mips_machine); -} - -machine_init(mips_machine_init); -- cgit v1.2.1