diff options
Diffstat (limited to 'hw/ppc_oldworld.c')
| -rw-r--r-- | hw/ppc_oldworld.c | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c deleted file mode 100644 index de34e7530a..0000000000 --- a/hw/ppc_oldworld.c +++ /dev/null @@ -1,352 +0,0 @@ - -/* - * QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator - * - * Copyright (c) 2004-2007 Fabrice Bellard - * Copyright (c) 2007 Jocelyn Mayer - * - * 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 "hw.h" -#include "ppc.h" -#include "ppc_mac.h" -#include "adb.h" -#include "mac_dbdma.h" -#include "nvram.h" -#include "sysemu/sysemu.h" -#include "net/net.h" -#include "isa.h" -#include "pci/pci.h" -#include "boards.h" -#include "fw_cfg.h" -#include "escc.h" -#include "ide.h" -#include "loader.h" -#include "elf.h" -#include "sysemu/kvm.h" -#include "kvm_ppc.h" -#include "sysemu/blockdev.h" -#include "exec/address-spaces.h" - -#define MAX_IDE_BUS 2 -#define CFG_ADDR 0xf0000510 - -static int fw_cfg_boot_set(void *opaque, const char *boot_device) -{ - fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]); - return 0; -} - - -static uint64_t translate_kernel_address(void *opaque, uint64_t addr) -{ - return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; -} - -static hwaddr round_page(hwaddr addr) -{ - return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK; -} - -static void ppc_heathrow_reset(void *opaque) -{ - PowerPCCPU *cpu = opaque; - - cpu_reset(CPU(cpu)); -} - -static void ppc_heathrow_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; - const char *boot_device = args->boot_device; - MemoryRegion *sysmem = get_system_memory(); - PowerPCCPU *cpu = NULL; - CPUPPCState *env = NULL; - char *filename; - qemu_irq *pic, **heathrow_irqs; - int linux_boot, i; - MemoryRegion *ram = g_new(MemoryRegion, 1); - MemoryRegion *bios = g_new(MemoryRegion, 1); - uint32_t kernel_base, initrd_base, cmdline_base = 0; - int32_t kernel_size, initrd_size; - PCIBus *pci_bus; - MacIONVRAMState *nvr; - int bios_size; - MemoryRegion *pic_mem, *dbdma_mem, *cuda_mem; - MemoryRegion *escc_mem, *escc_bar = g_new(MemoryRegion, 1), *ide_mem[2]; - uint16_t ppc_boot_device; - DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; - void *fw_cfg; - void *dbdma; - - linux_boot = (kernel_filename != NULL); - - /* init CPUs */ - if (cpu_model == NULL) - cpu_model = "G3"; - for (i = 0; i < smp_cpus; i++) { - cpu = cpu_ppc_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "Unable to find PowerPC CPU definition\n"); - exit(1); - } - env = &cpu->env; - - /* Set time-base frequency to 16.6 Mhz */ - cpu_ppc_tb_init(env, 16600000UL); - qemu_register_reset(ppc_heathrow_reset, cpu); - } - - /* allocate RAM */ - if (ram_size > (2047 << 20)) { - fprintf(stderr, - "qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n", - ((unsigned int)ram_size / (1 << 20))); - exit(1); - } - - memory_region_init_ram(ram, "ppc_heathrow.ram", ram_size); - vmstate_register_ram_global(ram); - memory_region_add_subregion(sysmem, 0, ram); - - /* allocate and load BIOS */ - memory_region_init_ram(bios, "ppc_heathrow.bios", BIOS_SIZE); - vmstate_register_ram_global(bios); - if (bios_name == NULL) - bios_name = PROM_FILENAME; - filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - memory_region_set_readonly(bios, true); - memory_region_add_subregion(sysmem, PROM_ADDR, bios); - - /* Load OpenBIOS (ELF) */ - if (filename) { - bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL, - 1, ELF_MACHINE, 0); - g_free(filename); - } else { - bios_size = -1; - } - if (bios_size < 0 || bios_size > BIOS_SIZE) { - hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name); - exit(1); - } - - if (linux_boot) { - uint64_t lowaddr = 0; - int bswap_needed; - -#ifdef BSWAP_NEEDED - bswap_needed = 1; -#else - bswap_needed = 0; -#endif - kernel_base = KERNEL_LOAD_ADDR; - kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, - NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); - if (kernel_size < 0) - kernel_size = load_aout(kernel_filename, kernel_base, - ram_size - kernel_base, bswap_needed, - TARGET_PAGE_SIZE); - if (kernel_size < 0) - kernel_size = load_image_targphys(kernel_filename, - kernel_base, - ram_size - kernel_base); - if (kernel_size < 0) { - hw_error("qemu: could not load kernel '%s'\n", - kernel_filename); - exit(1); - } - /* load initrd */ - if (initrd_filename) { - initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP); - initrd_size = load_image_targphys(initrd_filename, initrd_base, - ram_size - initrd_base); - if (initrd_size < 0) { - hw_error("qemu: could not load initial ram disk '%s'\n", - initrd_filename); - exit(1); - } - cmdline_base = round_page(initrd_base + initrd_size); - } else { - initrd_base = 0; - initrd_size = 0; - cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP); - } - ppc_boot_device = 'm'; - } else { - kernel_base = 0; - kernel_size = 0; - initrd_base = 0; - initrd_size = 0; - ppc_boot_device = '\0'; - for (i = 0; boot_device[i] != '\0'; i++) { - /* TOFIX: for now, the second IDE channel is not properly - * used by OHW. The Mac floppy disk are not emulated. - * For now, OHW cannot boot from the network. - */ -#if 0 - if (boot_device[i] >= 'a' && boot_device[i] <= 'f') { - ppc_boot_device = boot_device[i]; - break; - } -#else - if (boot_device[i] >= 'c' && boot_device[i] <= 'd') { - ppc_boot_device = boot_device[i]; - break; - } -#endif - } - if (ppc_boot_device == '\0') { - fprintf(stderr, "No valid boot device for G3 Beige machine\n"); - exit(1); - } - } - - /* Register 2 MB of ISA IO space */ - isa_mmio_init(0xfe000000, 0x00200000); - - /* XXX: we register only 1 output pin for heathrow PIC */ - heathrow_irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *)); - heathrow_irqs[0] = - g_malloc0(smp_cpus * sizeof(qemu_irq) * 1); - /* Connect the heathrow PIC outputs to the 6xx bus */ - for (i = 0; i < smp_cpus; i++) { - switch (PPC_INPUT(env)) { - case PPC_FLAGS_INPUT_6xx: - heathrow_irqs[i] = heathrow_irqs[0] + (i * 1); - heathrow_irqs[i][0] = - ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT]; - break; - default: - hw_error("Bus model not supported on OldWorld Mac machine\n"); - } - } - - /* init basic PC hardware */ - if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { - hw_error("Only 6xx bus is supported on heathrow machine\n"); - } - pic = heathrow_pic_init(&pic_mem, 1, heathrow_irqs); - pci_bus = pci_grackle_init(0xfec00000, pic, - get_system_memory(), - get_system_io()); - pci_vga_init(pci_bus); - - escc_mem = escc_init(0, pic[0x0f], pic[0x10], serial_hds[0], - serial_hds[1], ESCC_CLOCK, 4); - memory_region_init_alias(escc_bar, "escc-bar", - escc_mem, 0, memory_region_size(escc_mem)); - - for(i = 0; i < nb_nics; i++) - pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL); - - - ide_drive_get(hd, MAX_IDE_BUS); - - /* First IDE channel is a MAC IDE on the MacIO bus */ - dbdma = DBDMA_init(&dbdma_mem); - ide_mem[0] = NULL; - ide_mem[1] = pmac_ide_init(hd, pic[0x0D], dbdma, 0x16, pic[0x02]); - - /* Second IDE channel is a CMD646 on the PCI bus */ - hd[0] = hd[MAX_IDE_DEVS]; - hd[1] = hd[MAX_IDE_DEVS + 1]; - hd[3] = hd[2] = NULL; - pci_cmd646_ide_init(pci_bus, hd, 0); - - /* cuda also initialize ADB */ - cuda_init(&cuda_mem, pic[0x12]); - - adb_kbd_init(&adb_bus); - adb_mouse_init(&adb_bus); - - nvr = macio_nvram_init(0x2000, 4); - pmac_format_nvram_partition(nvr, 0x2000); - - macio_init(pci_bus, PCI_DEVICE_ID_APPLE_343S1201, 1, pic_mem, - dbdma_mem, cuda_mem, nvr, 2, ide_mem, escc_bar); - - if (usb_enabled(false)) { - pci_create_simple(pci_bus, -1, "pci-ohci"); - } - - if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8) - graphic_depth = 15; - - /* No PCI init: the BIOS will do it */ - - fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2); - fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1); - fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size); - fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW); - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base); - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); - if (kernel_cmdline) { - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base); - pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline); - } else { - fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0); - } - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, initrd_base); - fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size); - fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, ppc_boot_device); - - fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_WIDTH, graphic_width); - fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_HEIGHT, graphic_height); - fw_cfg_add_i16(fw_cfg, FW_CFG_PPC_DEPTH, graphic_depth); - - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled()); - if (kvm_enabled()) { -#ifdef CONFIG_KVM - uint8_t *hypercall; - - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq()); - hypercall = g_malloc(16); - kvmppc_get_hypercall(env, hypercall, 16); - fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16); - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid()); -#endif - } else { - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec()); - } - - qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); -} - -static QEMUMachine heathrow_machine = { - .name = "g3beige", - .desc = "Heathrow based PowerMAC", - .init = ppc_heathrow_init, - .max_cpus = MAX_CPUS, -#ifndef TARGET_PPC64 - .is_default = 1, -#endif - DEFAULT_MACHINE_OPTIONS, -}; - -static void heathrow_machine_init(void) -{ - qemu_register_machine(&heathrow_machine); -} - -machine_init(heathrow_machine_init); |