--- /dev/null
+
+/*
+ * 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/hw.h"
+#include "hw/ppc/ppc.h"
+#include "mac.h"
+#include "hw/input/adb.h"
+#include "hw/timer/m48t59.h"
+#include "sysemu/sysemu.h"
+#include "net/net.h"
+#include "hw/isa/isa.h"
+#include "hw/pci/pci.h"
+#include "hw/boards.h"
+#include "hw/nvram/fw_cfg.h"
+#include "hw/char/escc.h"
+#include "hw/ide.h"
+#include "hw/loader.h"
+#include "elf.h"
+#include "sysemu/kvm.h"
+#include "kvm_ppc.h"
+#include "sysemu/block-backend.h"
+#include "exec/address-spaces.h"
+
+#define MAX_IDE_BUS 2
+#define CFG_ADDR 0xf0000510
+#define TBFREQ 16600000UL
+#define CLOCKFREQ 266000000UL
+#define BUSFREQ 66000000UL
+
+static void fw_cfg_boot_set(void *opaque, const char *boot_device,
+ Error **errp)
+{
+ fw_cfg_modify_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[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(MachineState *machine)
+{
+ 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;
+ const char *boot_device = machine->boot_order;
+ 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);
+ MemoryRegion *isa = g_new(MemoryRegion, 1);
+ uint32_t kernel_base, initrd_base, cmdline_base = 0;
+ int32_t kernel_size, initrd_size;
+ PCIBus *pci_bus;
+ PCIDevice *macio;
+ MACIOIDEState *macio_ide;
+ DeviceState *dev;
+ BusState *adb_bus;
+ int bios_size;
+ MemoryRegion *pic_mem;
+ MemoryRegion *escc_mem, *escc_bar = g_new(MemoryRegion, 1);
+ uint16_t ppc_boot_device;
+ DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ void *fw_cfg;
+ uint64_t tbfreq;
+
+ linux_boot = (kernel_filename != NULL);
+
+ /* init CPUs */
+ if (machine->cpu_model == NULL)
+ machine->cpu_model = "G3";
+ for (i = 0; i < smp_cpus; i++) {
+ cpu = cpu_ppc_init(machine->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, TBFREQ);
+ 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_allocate_system_memory(ram, NULL, "ppc_heathrow.ram",
+ ram_size);
+ memory_region_add_subregion(sysmem, 0, ram);
+
+ /* allocate and load BIOS */
+ memory_region_init_ram(bios, NULL, "ppc_heathrow.bios", BIOS_SIZE,
+ &error_abort);
+ 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 */
+ memory_region_init_alias(isa, NULL, "isa_mmio",
+ get_system_io(), 0, 0x00200000);
+ memory_region_add_subregion(sysmem, 0xfe000000, isa);
+
+ /* 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");
+ }
+ }
+
+ /* Timebase Frequency */
+ if (kvm_enabled()) {
+ tbfreq = kvmppc_get_tbfreq();
+ } else {
+ tbfreq = TBFREQ;
+ }
+
+ /* 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, NULL, "escc-bar",
+ escc_mem, 0, memory_region_size(escc_mem));
+
+ for(i = 0; i < nb_nics; i++)
+ pci_nic_init_nofail(&nd_table[i], pci_bus, "ne2k_pci", NULL);
+
+
+ ide_drive_get(hd, ARRAY_SIZE(hd));
+
+ macio = pci_create(pci_bus, -1, TYPE_OLDWORLD_MACIO);
+ dev = DEVICE(macio);
+ qdev_connect_gpio_out(dev, 0, pic[0x12]); /* CUDA */
+ qdev_connect_gpio_out(dev, 1, pic[0x0D]); /* IDE-0 */
+ qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE-0 DMA */
+ qdev_connect_gpio_out(dev, 3, pic[0x0E]); /* IDE-1 */
+ qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE-1 DMA */
+ qdev_prop_set_uint64(dev, "frequency", tbfreq);
+ macio_init(macio, pic_mem, escc_bar);
+
+ macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
+ "ide[0]"));
+ macio_ide_init_drives(macio_ide, hd);
+
+ macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio),
+ "ide[1]"));
+ macio_ide_init_drives(macio_ide, &hd[MAX_IDE_DEVS]);
+
+ dev = DEVICE(object_resolve_path_component(OBJECT(macio), "cuda"));
+ adb_bus = qdev_get_child_bus(dev, "adb.0");
+ dev = qdev_create(adb_bus, TYPE_ADB_KEYBOARD);
+ qdev_init_nofail(dev);
+ dev = qdev_create(adb_bus, TYPE_ADB_MOUSE);
+ qdev_init_nofail(dev);
+
+ if (usb_enabled()) {
+ 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_mem(CFG_ADDR, CFG_ADDR + 2);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
+ 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;
+
+ 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
+ }
+ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq);
+ /* Mac OS X requires a "known good" clock-frequency value; pass it one. */
+ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ);
+
+ qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
+}
+
+static int heathrow_kvm_type(const char *arg)
+{
+ /* Always force PR KVM */
+ return 2;
+}
+
+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_boot_order = "cd", /* TOFIX "cad" when Mac floppy is implemented */
+ .kvm_type = heathrow_kvm_type,
+};
+
+static void heathrow_machine_init(void)
+{
+ qemu_register_machine(&heathrow_machine);
+}
+
+machine_init(heathrow_machine_init);
Code Review / kvmfornfv.git / blobdiff