diff options
Diffstat (limited to 'hw/mips')
-rw-r--r-- | hw/mips/Kconfig | 13 | ||||
-rw-r--r-- | hw/mips/boston.c | 2 | ||||
-rw-r--r-- | hw/mips/cps.c | 2 | ||||
-rw-r--r-- | hw/mips/meson.build | 1 | ||||
-rw-r--r-- | hw/mips/r4k.c | 318 |
5 files changed, 2 insertions, 334 deletions
diff --git a/hw/mips/Kconfig b/hw/mips/Kconfig index 67d39c5..8be7012 100644 --- a/hw/mips/Kconfig +++ b/hw/mips/Kconfig @@ -1,16 +1,3 @@ -config R4K - bool - select ISA_BUS - select SERIAL_ISA - select I8259 - select I8254 - select MC146818RTC - imply VGA_ISA - imply NE2000_ISA - select IDE_ISA - select PCKBD - select PFLASH_CFI01 - config MALTA bool select ISA_SUPERIO diff --git a/hw/mips/boston.c b/hw/mips/boston.c index 74c18ed..3356d7a 100644 --- a/hw/mips/boston.c +++ b/hw/mips/boston.c @@ -6,7 +6,7 @@ * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of diff --git a/hw/mips/cps.c b/hw/mips/cps.c index c624821..962b1b0 100644 --- a/hw/mips/cps.c +++ b/hw/mips/cps.c @@ -6,7 +6,7 @@ * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of diff --git a/hw/mips/meson.build b/hw/mips/meson.build index 46294b7..bcdf96b 100644 --- a/hw/mips/meson.build +++ b/hw/mips/meson.build @@ -6,6 +6,5 @@ mips_ss.add(when: 'CONFIG_MALTA', if_true: files('gt64xxx_pci.c', 'malta.c')) mips_ss.add(when: 'CONFIG_MIPSSIM', if_true: files('mipssim.c')) mips_ss.add(when: 'CONFIG_MIPS_BOSTON', if_true: [files('boston.c'), fdt]) mips_ss.add(when: 'CONFIG_MIPS_CPS', if_true: files('cps.c')) -mips_ss.add(when: 'CONFIG_R4K', if_true: files('r4k.c')) hw_arch += {'mips': mips_ss} diff --git a/hw/mips/r4k.c b/hw/mips/r4k.c deleted file mode 100644 index 3830854..0000000 --- a/hw/mips/r4k.c +++ /dev/null @@ -1,318 +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 "qemu/osdep.h" -#include "qemu/units.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "cpu.h" -#include "hw/clock.h" -#include "hw/mips/mips.h" -#include "hw/mips/cpudevs.h" -#include "hw/intc/i8259.h" -#include "hw/char/serial.h" -#include "hw/isa/isa.h" -#include "net/net.h" -#include "hw/net/ne2000-isa.h" -#include "sysemu/sysemu.h" -#include "hw/boards.h" -#include "hw/block/flash.h" -#include "qemu/log.h" -#include "hw/mips/bios.h" -#include "hw/ide.h" -#include "hw/ide/internal.h" -#include "hw/loader.h" -#include "elf.h" -#include "hw/rtc/mc146818rtc.h" -#include "hw/input/i8042.h" -#include "hw/timer/i8254.h" -#include "exec/address-spaces.h" -#include "sysemu/qtest.h" -#include "sysemu/reset.h" -#include "sysemu/runstate.h" -#include "qemu/error-report.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(SHUTDOWN_CAUSE_GUEST_RESET); - } else if ((addr & 0xffff) == 4 && val == 42) { - qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); - } -} - -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) -{ - const size_t params_size = 264; - int64_t entry, kernel_high, initrd_size; - long kernel_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, NULL, - cpu_mips_kseg0_to_phys, NULL, - (uint64_t *)&entry, NULL, - (uint64_t *)&kernel_high, NULL, big_endian, - EM_MIPS, 1, 0); - if (kernel_size < 0) { - error_report("could not load kernel '%s': %s", - loaderparams.kernel_filename, - load_elf_strerror(kernel_size)); - 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 = ROUND_UP(kernel_high, INITRD_PAGE_SIZE); - if (initrd_offset + initrd_size > ram_size) { - error_report("memory too small for initial ram disk '%s'", - 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) { - error_report("could not load initial ram disk '%s'", - loaderparams.initrd_filename); - exit(1); - } - } - - /* Store command line. */ - 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=%" PRId64 " %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 * MiB - params_size); - - g_free(params_buf); - 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 * KiB; -static -void mips_r4k_init(MachineState *machine) -{ - const char *kernel_filename = machine->kernel_filename; - const char *kernel_cmdline = machine->kernel_cmdline; - const char *initrd_filename = machine->initrd_filename; - char *filename; - MemoryRegion *address_space_mem = get_system_memory(); - MemoryRegion *bios; - MemoryRegion *iomem = g_new(MemoryRegion, 1); - MemoryRegion *isa_io = g_new(MemoryRegion, 1); - MemoryRegion *isa_mem = g_new(MemoryRegion, 1); - int bios_size; - Clock *cpuclk; - 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; - - cpuclk = clock_new(OBJECT(machine), "cpu-refclk"); - clock_set_hz(cpuclk, 200000000); /* 200 MHz */ - - /* init CPUs */ - cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk); - 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 (machine->ram_size > 256 * MiB) { - error_report("Too much memory for this machine: %" PRId64 "MB," - " maximum 256MB", ram_size / MiB); - exit(1); - } - memory_region_add_subregion(address_space_mem, 0, machine->ram); - - memory_region_init_io(iomem, NULL, &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 - dinfo = drive_get(IF_PFLASH, 0, 0); - if ((bios_size > 0) && (bios_size <= BIOS_SIZE)) { - bios = g_new(MemoryRegion, 1); - memory_region_init_rom(bios, NULL, "mips_r4k.bios", BIOS_SIZE, - &error_fatal); - memory_region_add_subregion(get_system_memory(), 0x1fc00000, bios); - - load_image_targphys(filename, 0x1fc00000, BIOS_SIZE); - } else if (dinfo != NULL) { - uint32_t mips_rom = 0x00400000; - if (!pflash_cfi01_register(0x1fc00000, "mips_r4k.bios", mips_rom, - blk_by_legacy_dinfo(dinfo), - sector_len, 4, 0, 0, 0, 0, be)) { - fprintf(stderr, "qemu: Error registering flash memory.\n"); - } - } else if (!qtest_enabled()) { - /* not fatal */ - warn_report("could not load MIPS bios '%s'", bios_name); - } - g_free(filename); - - if (kernel_filename) { - loaderparams.ram_size = machine->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(cpu); - cpu_mips_clock_init(cpu); - - /* ISA bus: IO space at 0x14000000, mem space at 0x10000000 */ - memory_region_init_alias(isa_io, NULL, "isa-io", - get_system_io(), 0, 0x00010000); - memory_region_init(isa_mem, NULL, "isa-mem", 0x01000000); - memory_region_add_subregion(get_system_memory(), 0x14000000, isa_io); - memory_region_add_subregion(get_system_memory(), 0x10000000, isa_mem); - isa_bus = isa_bus_new(NULL, isa_mem, get_system_io(), &error_abort); - - /* The PIC is attached to the MIPS CPU INT0 pin */ - i8259 = i8259_init(isa_bus, env->irq[2]); - isa_bus_irqs(isa_bus, i8259); - - mc146818_rtc_init(isa_bus, 2000, NULL); - - pit = i8254_pit_init(isa_bus, 0x40, 0, NULL); - - serial_hds_isa_init(isa_bus, 0, MAX_ISA_SERIAL_PORTS); - - isa_vga_init(isa_bus); - - if (nd_table[0].used) { - isa_ne2000_init(isa_bus, 0x300, 9, &nd_table[0]); - } - - ide_drive_get(hd, ARRAY_SIZE(hd)); - 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, TYPE_I8042); -} - -static void mips_machine_init(MachineClass *mc) -{ - mc->deprecation_reason = "use malta machine type instead"; - mc->desc = "mips r4k platform"; - mc->init = mips_r4k_init; - mc->block_default_type = IF_IDE; -#ifdef TARGET_MIPS64 - mc->default_cpu_type = MIPS_CPU_TYPE_NAME("R4000"); -#else - mc->default_cpu_type = MIPS_CPU_TYPE_NAME("24Kf"); -#endif - mc->default_ram_id = "mips_r4k.ram"; -} - -DEFINE_MACHINE("mips", mips_machine_init) |