2010-10-13 20:38:07 +02:00
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2007-10-29 00:42:18 +01:00
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/*
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2009-01-08 00:38:59 +01:00
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* QEMU OldWorld PowerMac (currently ~G3 Beige) hardware System Emulator
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2007-10-29 00:42:18 +01:00
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*
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* Copyright (c) 2004-2007 Fabrice Bellard
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* Copyright (c) 2007 Jocelyn Mayer
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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2007-11-17 18:14:51 +01:00
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#include "hw.h"
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#include "ppc.h"
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2007-10-29 00:42:18 +01:00
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#include "ppc_mac.h"
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2009-01-30 21:39:32 +01:00
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#include "mac_dbdma.h"
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2007-11-17 18:14:51 +01:00
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#include "nvram.h"
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#include "pc.h"
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#include "sysemu.h"
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#include "net.h"
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#include "isa.h"
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#include "pci.h"
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2009-11-11 13:59:56 +01:00
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#include "usb-ohci.h"
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2007-11-17 18:14:51 +01:00
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#include "boards.h"
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2008-12-24 21:29:16 +01:00
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#include "fw_cfg.h"
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2009-01-12 18:40:23 +01:00
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#include "escc.h"
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2009-08-20 15:22:20 +02:00
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#include "ide.h"
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2009-09-20 16:58:02 +02:00
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#include "loader.h"
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#include "elf.h"
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2009-12-02 23:20:29 +01:00
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#include "kvm.h"
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2010-02-09 17:37:05 +01:00
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#include "kvm_ppc.h"
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2010-08-24 17:22:24 +02:00
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#include "blockdev.h"
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2007-10-29 00:42:18 +01:00
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2007-12-02 05:51:10 +01:00
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#define MAX_IDE_BUS 2
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2008-12-24 21:29:16 +01:00
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#define CFG_ADDR 0xf0000510
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2009-03-08 10:51:29 +01:00
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static int fw_cfg_boot_set(void *opaque, const char *boot_device)
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{
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fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
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return 0;
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}
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2010-03-14 21:20:59 +01:00
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static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
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{
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return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR;
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}
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2011-06-15 23:27:19 +02:00
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static target_phys_addr_t round_page(target_phys_addr_t addr)
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{
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return (addr + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
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}
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2009-10-01 23:12:16 +02:00
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static void ppc_heathrow_init (ram_addr_t ram_size,
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2009-01-16 20:04:14 +01:00
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const char *boot_device,
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2007-10-29 00:42:18 +01:00
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const char *kernel_filename,
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const char *kernel_cmdline,
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const char *initrd_filename,
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const char *cpu_model)
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{
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2010-10-13 20:41:29 +02:00
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CPUState *env = NULL;
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2009-05-30 01:52:44 +02:00
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char *filename;
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2007-10-29 00:42:18 +01:00
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qemu_irq *pic, **heathrow_irqs;
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int linux_boot, i;
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2010-10-13 20:38:07 +02:00
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ram_addr_t ram_offset, bios_offset;
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2011-06-15 23:27:19 +02:00
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uint32_t kernel_base, initrd_base, cmdline_base = 0;
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2009-01-24 13:00:23 +01:00
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int32_t kernel_size, initrd_size;
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2007-10-29 00:42:18 +01:00
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PCIBus *pci_bus;
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MacIONVRAMState *nvr;
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2010-10-13 20:38:07 +02:00
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int bios_size;
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2007-10-29 00:42:18 +01:00
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int pic_mem_index, nvram_mem_index, dbdma_mem_index, cuda_mem_index;
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2009-01-12 18:40:23 +01:00
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int escc_mem_index, ide_mem_index[2];
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2009-03-08 10:51:29 +01:00
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uint16_t ppc_boot_device;
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2009-08-28 15:47:03 +02:00
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DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
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2008-12-24 21:29:16 +01:00
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void *fw_cfg;
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2009-01-30 21:39:32 +01:00
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void *dbdma;
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2007-10-29 00:42:18 +01:00
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linux_boot = (kernel_filename != NULL);
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/* init CPUs */
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if (cpu_model == NULL)
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2008-12-21 00:39:46 +01:00
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cpu_model = "G3";
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2007-10-29 00:42:18 +01:00
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for (i = 0; i < smp_cpus; i++) {
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2007-11-10 16:15:54 +01:00
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env = cpu_init(cpu_model);
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if (!env) {
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fprintf(stderr, "Unable to find PowerPC CPU definition\n");
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exit(1);
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}
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2009-01-14 15:48:04 +01:00
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/* Set time-base frequency to 16.6 Mhz */
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cpu_ppc_tb_init(env, 16600000UL);
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2009-11-07 11:36:04 +01:00
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qemu_register_reset((QEMUResetHandler*)&cpu_reset, env);
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2007-10-29 00:42:18 +01:00
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}
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/* allocate RAM */
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2009-01-13 20:08:10 +01:00
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if (ram_size > (2047 << 20)) {
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fprintf(stderr,
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"qemu: Too much memory for this machine: %d MB, maximum 2047 MB\n",
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((unsigned int)ram_size / (1 << 20)));
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exit(1);
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}
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2010-06-25 19:09:35 +02:00
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ram_offset = qemu_ram_alloc(NULL, "ppc_heathrow.ram", ram_size);
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2008-12-21 00:40:35 +01:00
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cpu_register_physical_memory(0, ram_size, ram_offset);
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2007-10-29 00:42:18 +01:00
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/* allocate and load BIOS */
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2010-06-25 19:09:35 +02:00
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bios_offset = qemu_ram_alloc(NULL, "ppc_heathrow.bios", BIOS_SIZE);
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2007-10-29 00:42:18 +01:00
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if (bios_name == NULL)
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2008-12-24 21:23:51 +01:00
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bios_name = PROM_FILENAME;
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2009-05-30 01:52:44 +02:00
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filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
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2008-12-24 21:23:51 +01:00
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cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);
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/* Load OpenBIOS (ELF) */
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2009-05-30 01:52:44 +02:00
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if (filename) {
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2010-03-14 21:20:59 +01:00
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bios_size = load_elf(filename, 0, NULL, NULL, NULL, NULL,
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1, ELF_MACHINE, 0);
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2009-05-30 01:52:44 +02:00
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qemu_free(filename);
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} else {
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bios_size = -1;
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}
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2007-10-29 00:42:18 +01:00
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if (bios_size < 0 || bios_size > BIOS_SIZE) {
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2009-05-30 01:52:44 +02:00
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hw_error("qemu: could not load PowerPC bios '%s'\n", bios_name);
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2007-10-29 00:42:18 +01:00
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exit(1);
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}
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if (linux_boot) {
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2009-01-26 11:22:15 +01:00
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uint64_t lowaddr = 0;
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2009-09-20 16:58:02 +02:00
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int bswap_needed;
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#ifdef BSWAP_NEEDED
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bswap_needed = 1;
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#else
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bswap_needed = 0;
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#endif
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2007-10-29 00:42:18 +01:00
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kernel_base = KERNEL_LOAD_ADDR;
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2010-03-14 21:20:59 +01:00
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kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
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NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
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2008-12-24 21:30:01 +01:00
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if (kernel_size < 0)
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kernel_size = load_aout(kernel_filename, kernel_base,
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2009-09-20 16:58:02 +02:00
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ram_size - kernel_base, bswap_needed,
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TARGET_PAGE_SIZE);
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2008-12-24 21:30:01 +01:00
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if (kernel_size < 0)
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kernel_size = load_image_targphys(kernel_filename,
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kernel_base,
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ram_size - kernel_base);
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2007-10-29 00:42:18 +01:00
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if (kernel_size < 0) {
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2009-05-08 03:35:15 +02:00
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hw_error("qemu: could not load kernel '%s'\n",
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2007-10-29 00:42:18 +01:00
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kernel_filename);
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exit(1);
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}
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/* load initrd */
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if (initrd_filename) {
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2011-06-15 23:27:19 +02:00
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initrd_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
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2009-04-09 22:05:49 +02:00
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initrd_size = load_image_targphys(initrd_filename, initrd_base,
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ram_size - initrd_base);
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2007-10-29 00:42:18 +01:00
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if (initrd_size < 0) {
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2009-05-08 03:35:15 +02:00
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hw_error("qemu: could not load initial ram disk '%s'\n",
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initrd_filename);
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2007-10-29 00:42:18 +01:00
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exit(1);
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}
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2011-06-15 23:27:19 +02:00
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cmdline_base = round_page(initrd_base + initrd_size);
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2007-10-29 00:42:18 +01:00
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} else {
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initrd_base = 0;
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initrd_size = 0;
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2011-06-15 23:27:19 +02:00
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cmdline_base = round_page(kernel_base + kernel_size + KERNEL_GAP);
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2007-10-29 00:42:18 +01:00
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}
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2007-10-31 02:54:04 +01:00
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ppc_boot_device = 'm';
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2007-10-29 00:42:18 +01:00
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} else {
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kernel_base = 0;
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kernel_size = 0;
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initrd_base = 0;
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initrd_size = 0;
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2007-11-11 02:50:45 +01:00
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ppc_boot_device = '\0';
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2007-11-11 15:44:28 +01:00
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for (i = 0; boot_device[i] != '\0'; i++) {
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2007-11-11 02:50:45 +01:00
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/* TOFIX: for now, the second IDE channel is not properly
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2007-11-11 15:44:28 +01:00
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* used by OHW. The Mac floppy disk are not emulated.
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2007-11-11 02:50:45 +01:00
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* For now, OHW cannot boot from the network.
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*/
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#if 0
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2007-11-11 15:44:28 +01:00
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if (boot_device[i] >= 'a' && boot_device[i] <= 'f') {
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ppc_boot_device = boot_device[i];
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2007-11-11 02:50:45 +01:00
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break;
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2007-11-11 15:44:28 +01:00
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}
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2007-11-11 02:50:45 +01:00
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#else
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2007-11-11 15:44:28 +01:00
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if (boot_device[i] >= 'c' && boot_device[i] <= 'd') {
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ppc_boot_device = boot_device[i];
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2007-11-11 02:50:45 +01:00
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break;
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2007-11-11 15:44:28 +01:00
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}
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2007-11-11 02:50:45 +01:00
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#endif
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}
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if (ppc_boot_device == '\0') {
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2009-01-13 20:07:59 +01:00
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fprintf(stderr, "No valid boot device for G3 Beige machine\n");
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2007-11-11 02:50:45 +01:00
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exit(1);
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}
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2007-10-29 00:42:18 +01:00
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}
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isa_mem_base = 0x80000000;
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2007-11-24 03:56:36 +01:00
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2007-10-29 00:42:18 +01:00
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/* Register 2 MB of ISA IO space */
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2010-12-08 12:05:49 +01:00
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isa_mmio_init(0xfe000000, 0x00200000);
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2007-10-29 00:42:18 +01:00
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/* XXX: we register only 1 output pin for heathrow PIC */
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heathrow_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
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heathrow_irqs[0] =
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qemu_mallocz(smp_cpus * sizeof(qemu_irq) * 1);
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/* Connect the heathrow PIC outputs to the 6xx bus */
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for (i = 0; i < smp_cpus; i++) {
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switch (PPC_INPUT(env)) {
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case PPC_FLAGS_INPUT_6xx:
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heathrow_irqs[i] = heathrow_irqs[0] + (i * 1);
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heathrow_irqs[i][0] =
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((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
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break;
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default:
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2009-05-08 03:35:15 +02:00
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hw_error("Bus model not supported on OldWorld Mac machine\n");
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2007-10-29 00:42:18 +01:00
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}
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}
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/* init basic PC hardware */
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if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) {
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2009-05-08 03:35:15 +02:00
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hw_error("Only 6xx bus is supported on heathrow machine\n");
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2007-10-29 00:42:18 +01:00
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}
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pic = heathrow_pic_init(&pic_mem_index, 1, heathrow_irqs);
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pci_bus = pci_grackle_init(0xfec00000, pic);
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2010-10-15 11:45:13 +02:00
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pci_vga_init(pci_bus);
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2007-11-24 03:56:36 +01:00
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2009-01-14 15:47:56 +01:00
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escc_mem_index = escc_init(0x80013000, pic[0x0f], pic[0x10], serial_hds[0],
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2009-01-12 18:40:23 +01:00
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serial_hds[1], ESCC_CLOCK, 4);
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2007-11-24 03:56:36 +01:00
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2009-01-13 20:47:10 +01:00
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for(i = 0; i < nb_nics; i++)
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2009-09-25 03:53:51 +02:00
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pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
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2007-11-11 15:44:28 +01:00
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2007-12-02 05:51:10 +01:00
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2011-04-03 13:32:46 +02:00
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ide_drive_get(hd, MAX_IDE_BUS);
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2009-03-07 22:35:21 +01:00
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/* First IDE channel is a MAC IDE on the MacIO bus */
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dbdma = DBDMA_init(&dbdma_mem_index);
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ide_mem_index[0] = -1;
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ide_mem_index[1] = pmac_ide_init(hd, pic[0x0D], dbdma, 0x16, pic[0x02]);
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2007-12-02 05:51:10 +01:00
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2009-03-07 22:35:21 +01:00
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/* Second IDE channel is a CMD646 on the PCI bus */
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2011-04-03 13:32:46 +02:00
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hd[0] = hd[MAX_IDE_DEVS];
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hd[1] = hd[MAX_IDE_DEVS + 1];
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2009-03-07 22:35:21 +01:00
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hd[3] = hd[2] = NULL;
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pci_cmd646_ide_init(pci_bus, hd, 0);
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2007-10-29 00:42:18 +01:00
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/* cuda also initialize ADB */
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cuda_init(&cuda_mem_index, pic[0x12]);
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adb_kbd_init(&adb_bus);
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adb_mouse_init(&adb_bus);
|
2007-11-24 03:56:36 +01:00
|
|
|
|
2009-02-07 11:48:26 +01:00
|
|
|
nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 4);
|
2007-10-29 00:42:18 +01:00
|
|
|
pmac_format_nvram_partition(nvr, 0x2000);
|
|
|
|
|
2009-02-01 13:01:04 +01:00
|
|
|
macio_init(pci_bus, PCI_DEVICE_ID_APPLE_343S1201, 1, pic_mem_index,
|
|
|
|
dbdma_mem_index, cuda_mem_index, nvr, 2, ide_mem_index,
|
|
|
|
escc_mem_index);
|
2007-10-29 00:42:18 +01:00
|
|
|
|
|
|
|
if (usb_enabled) {
|
2010-04-04 22:18:26 +02:00
|
|
|
usb_ohci_init_pci(pci_bus, -1);
|
2007-10-29 00:42:18 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
|
|
|
|
graphic_depth = 15;
|
|
|
|
|
|
|
|
/* No PCI init: the BIOS will do it */
|
|
|
|
|
2008-12-24 21:29:16 +01:00
|
|
|
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);
|
2009-03-08 10:51:29 +01:00
|
|
|
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) {
|
2011-06-15 23:27:19 +02:00
|
|
|
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base);
|
|
|
|
pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline);
|
2009-03-08 10:51:29 +01:00
|
|
|
} 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);
|
2009-08-08 12:19:24 +02:00
|
|
|
|
|
|
|
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);
|
|
|
|
|
2010-08-03 15:22:42 +02:00
|
|
|
fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_IS_KVM, kvm_enabled());
|
2010-02-09 17:37:05 +01:00
|
|
|
if (kvm_enabled()) {
|
|
|
|
#ifdef CONFIG_KVM
|
2010-08-03 15:22:42 +02:00
|
|
|
uint8_t *hypercall;
|
|
|
|
|
2010-02-09 17:37:05 +01:00
|
|
|
fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq());
|
2010-08-03 15:22:42 +02:00
|
|
|
hypercall = qemu_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());
|
2010-02-09 17:37:05 +01:00
|
|
|
#endif
|
|
|
|
} else {
|
|
|
|
fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, get_ticks_per_sec());
|
|
|
|
}
|
|
|
|
|
2009-03-08 10:51:29 +01:00
|
|
|
qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
|
2007-10-29 00:42:18 +01:00
|
|
|
}
|
|
|
|
|
2009-05-21 01:38:09 +02:00
|
|
|
static QEMUMachine heathrow_machine = {
|
2009-01-08 00:38:59 +01:00
|
|
|
.name = "g3beige",
|
2008-10-07 22:34:35 +02:00
|
|
|
.desc = "Heathrow based PowerMAC",
|
|
|
|
.init = ppc_heathrow_init,
|
2008-10-28 11:59:59 +01:00
|
|
|
.max_cpus = MAX_CPUS,
|
2009-12-20 00:22:26 +01:00
|
|
|
#ifndef TARGET_PPC64
|
2009-05-22 03:41:01 +02:00
|
|
|
.is_default = 1,
|
2009-12-20 00:22:26 +01:00
|
|
|
#endif
|
2007-10-29 00:42:18 +01:00
|
|
|
};
|
2009-05-21 01:38:09 +02:00
|
|
|
|
|
|
|
static void heathrow_machine_init(void)
|
|
|
|
{
|
|
|
|
qemu_register_machine(&heathrow_machine);
|
|
|
|
}
|
|
|
|
|
|
|
|
machine_init(heathrow_machine_init);
|