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768 lines
27 KiB
C
768 lines
27 KiB
C
/*
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* QEMU Motorla 680x0 Macintosh hardware System Emulator
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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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#include "qemu/osdep.h"
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#include "qemu/units.h"
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#include "qemu/datadir.h"
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#include "qemu/guest-random.h"
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#include "sysemu/sysemu.h"
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#include "cpu.h"
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#include "hw/boards.h"
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#include "hw/or-irq.h"
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#include "elf.h"
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#include "hw/loader.h"
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#include "ui/console.h"
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#include "hw/char/escc.h"
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#include "hw/sysbus.h"
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#include "hw/scsi/esp.h"
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#include "standard-headers/asm-m68k/bootinfo.h"
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#include "standard-headers/asm-m68k/bootinfo-mac.h"
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#include "bootinfo.h"
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#include "hw/m68k/q800.h"
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#include "hw/m68k/q800-glue.h"
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#include "hw/misc/mac_via.h"
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#include "hw/misc/djmemc.h"
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#include "hw/misc/iosb.h"
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#include "hw/input/adb.h"
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#include "hw/audio/asc.h"
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#include "hw/nubus/mac-nubus-bridge.h"
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#include "hw/display/macfb.h"
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#include "hw/block/swim.h"
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#include "net/net.h"
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#include "net/util.h"
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#include "qapi/error.h"
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#include "qemu/error-report.h"
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#include "sysemu/qtest.h"
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#include "sysemu/runstate.h"
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#include "sysemu/reset.h"
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#include "migration/vmstate.h"
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#define MACROM_ADDR 0x40800000
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#define MACROM_SIZE 0x00100000
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#define MACROM_FILENAME "MacROM.bin"
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#define IO_BASE 0x50000000
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#define IO_SLICE 0x00040000
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#define IO_SLICE_MASK (IO_SLICE - 1)
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#define IO_SIZE 0x04000000
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#define VIA_BASE (IO_BASE + 0x00000)
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#define SONIC_PROM_BASE (IO_BASE + 0x08000)
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#define SONIC_BASE (IO_BASE + 0x0a000)
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#define SCC_BASE (IO_BASE + 0x0c020)
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#define DJMEMC_BASE (IO_BASE + 0x0e000)
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#define ESP_BASE (IO_BASE + 0x10000)
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#define ESP_PDMA (IO_BASE + 0x10100)
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#define ASC_BASE (IO_BASE + 0x14000)
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#define IOSB_BASE (IO_BASE + 0x18000)
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#define SWIM_BASE (IO_BASE + 0x1E000)
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#define SONIC_PROM_SIZE 0x1000
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/*
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* the video base, whereas it a Nubus address,
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* is needed by the kernel to have early display and
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* thus provided by the bootloader
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*/
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#define VIDEO_BASE 0xf9000000
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#define MAC_CLOCK 3686418
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/* Size of whole RAM area */
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#define RAM_SIZE 0x40000000
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/*
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* Slot 0x9 is reserved for use by the in-built framebuffer whilst only
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* slots 0xc, 0xd and 0xe physically exist on the Quadra 800
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*/
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#define Q800_NUBUS_SLOTS_AVAILABLE (BIT(0x9) | BIT(0xc) | BIT(0xd) | \
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BIT(0xe))
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/* Quadra 800 machine ID */
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#define Q800_MACHINE_ID 0xa55a2bad
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static void main_cpu_reset(void *opaque)
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{
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M68kCPU *cpu = opaque;
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CPUState *cs = CPU(cpu);
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cpu_reset(cs);
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cpu->env.aregs[7] = ldl_phys(cs->as, 0);
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cpu->env.pc = ldl_phys(cs->as, 4);
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}
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static void rerandomize_rng_seed(void *opaque)
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{
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struct bi_record *rng_seed = opaque;
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qemu_guest_getrandom_nofail((void *)rng_seed->data + 2,
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be16_to_cpu(*(uint16_t *)rng_seed->data));
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}
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static uint8_t fake_mac_rom[] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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/* offset: 0xa - mac_reset */
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/* via2[vDirB] |= VIA2B_vPower */
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0x20, 0x7C, 0x50, 0xF0, 0x24, 0x00, /* moveal VIA2_BASE+vDirB,%a0 */
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0x10, 0x10, /* moveb %a0@,%d0 */
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0x00, 0x00, 0x00, 0x04, /* orib #4,%d0 */
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0x10, 0x80, /* moveb %d0,%a0@ */
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/* via2[vBufB] &= ~VIA2B_vPower */
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0x20, 0x7C, 0x50, 0xF0, 0x20, 0x00, /* moveal VIA2_BASE+vBufB,%a0 */
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0x10, 0x10, /* moveb %a0@,%d0 */
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0x02, 0x00, 0xFF, 0xFB, /* andib #-5,%d0 */
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0x10, 0x80, /* moveb %d0,%a0@ */
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/* while (true) ; */
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0x60, 0xFE /* bras [self] */
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};
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static MemTxResult macio_alias_read(void *opaque, hwaddr addr, uint64_t *data,
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unsigned size, MemTxAttrs attrs)
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{
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MemTxResult r;
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uint32_t val;
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addr &= IO_SLICE_MASK;
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addr |= IO_BASE;
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switch (size) {
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case 4:
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val = address_space_ldl_be(&address_space_memory, addr, attrs, &r);
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break;
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case 2:
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val = address_space_lduw_be(&address_space_memory, addr, attrs, &r);
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break;
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case 1:
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val = address_space_ldub(&address_space_memory, addr, attrs, &r);
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break;
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default:
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g_assert_not_reached();
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}
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*data = val;
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return r;
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}
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static MemTxResult macio_alias_write(void *opaque, hwaddr addr, uint64_t value,
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unsigned size, MemTxAttrs attrs)
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{
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MemTxResult r;
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addr &= IO_SLICE_MASK;
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addr |= IO_BASE;
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switch (size) {
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case 4:
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address_space_stl_be(&address_space_memory, addr, value, attrs, &r);
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break;
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case 2:
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address_space_stw_be(&address_space_memory, addr, value, attrs, &r);
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break;
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case 1:
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address_space_stb(&address_space_memory, addr, value, attrs, &r);
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break;
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default:
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g_assert_not_reached();
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}
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return r;
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}
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static const MemoryRegionOps macio_alias_ops = {
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.read_with_attrs = macio_alias_read,
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.write_with_attrs = macio_alias_write,
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.endianness = DEVICE_BIG_ENDIAN,
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.valid = {
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.min_access_size = 1,
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.max_access_size = 4,
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},
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};
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static uint64_t machine_id_read(void *opaque, hwaddr addr, unsigned size)
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{
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return Q800_MACHINE_ID;
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}
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static void machine_id_write(void *opaque, hwaddr addr, uint64_t val,
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unsigned size)
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{
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return;
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}
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static const MemoryRegionOps machine_id_ops = {
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.read = machine_id_read,
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.write = machine_id_write,
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.endianness = DEVICE_BIG_ENDIAN,
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.valid = {
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.min_access_size = 4,
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.max_access_size = 4,
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},
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};
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static uint64_t ramio_read(void *opaque, hwaddr addr, unsigned size)
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{
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return 0x0;
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}
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static void ramio_write(void *opaque, hwaddr addr, uint64_t val,
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unsigned size)
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{
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return;
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}
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static const MemoryRegionOps ramio_ops = {
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.read = ramio_read,
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.write = ramio_write,
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.endianness = DEVICE_BIG_ENDIAN,
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.valid = {
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.min_access_size = 1,
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.max_access_size = 4,
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},
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};
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static void q800_machine_init(MachineState *machine)
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{
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Q800MachineState *m = Q800_MACHINE(machine);
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int linux_boot;
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int32_t kernel_size;
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uint64_t elf_entry;
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char *filename;
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int bios_size;
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ram_addr_t initrd_base;
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int32_t initrd_size;
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uint8_t *prom;
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int i, checksum;
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MacFbMode *macfb_mode;
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ram_addr_t ram_size = machine->ram_size;
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const char *kernel_filename = machine->kernel_filename;
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const char *initrd_filename = machine->initrd_filename;
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const char *kernel_cmdline = machine->kernel_cmdline;
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const char *bios_name = machine->firmware ?: MACROM_FILENAME;
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hwaddr parameters_base;
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CPUState *cs;
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DeviceState *dev;
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SysBusESPState *sysbus_esp;
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ESPState *esp;
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SysBusDevice *sysbus;
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BusState *adb_bus;
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NubusBus *nubus;
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DriveInfo *dinfo;
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NICInfo *nd;
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MACAddr mac;
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uint8_t rng_seed[32];
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linux_boot = (kernel_filename != NULL);
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if (ram_size > 1 * GiB) {
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error_report("Too much memory for this machine: %" PRId64 " MiB, "
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"maximum 1024 MiB", ram_size / MiB);
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exit(1);
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}
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/* init CPUs */
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object_initialize_child(OBJECT(machine), "cpu", &m->cpu, machine->cpu_type);
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qdev_realize(DEVICE(&m->cpu), NULL, &error_fatal);
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qemu_register_reset(main_cpu_reset, &m->cpu);
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/* RAM */
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memory_region_init_io(&m->ramio, OBJECT(machine), &ramio_ops, &m->ramio,
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"ram", RAM_SIZE);
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memory_region_add_subregion(get_system_memory(), 0x0, &m->ramio);
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memory_region_add_subregion(&m->ramio, 0, machine->ram);
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/*
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* Create container for all IO devices
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*/
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memory_region_init(&m->macio, OBJECT(machine), "mac-io", IO_SLICE);
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memory_region_add_subregion(get_system_memory(), IO_BASE, &m->macio);
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/*
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* Memory from IO_BASE to IO_BASE + IO_SLICE is repeated
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* from IO_BASE + IO_SLICE to IO_BASE + IO_SIZE
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*/
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memory_region_init_io(&m->macio_alias, OBJECT(machine), &macio_alias_ops,
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&m->macio, "mac-io.alias", IO_SIZE - IO_SLICE);
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memory_region_add_subregion(get_system_memory(), IO_BASE + IO_SLICE,
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&m->macio_alias);
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memory_region_init_io(&m->machine_id, NULL, &machine_id_ops, NULL,
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"Machine ID", 4);
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memory_region_add_subregion(get_system_memory(), 0x5ffffffc,
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&m->machine_id);
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/* IRQ Glue */
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object_initialize_child(OBJECT(machine), "glue", &m->glue, TYPE_GLUE);
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object_property_set_link(OBJECT(&m->glue), "cpu", OBJECT(&m->cpu),
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&error_abort);
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sysbus_realize(SYS_BUS_DEVICE(&m->glue), &error_fatal);
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/* djMEMC memory controller */
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object_initialize_child(OBJECT(machine), "djmemc", &m->djmemc,
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TYPE_DJMEMC);
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sysbus = SYS_BUS_DEVICE(&m->djmemc);
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sysbus_realize_and_unref(sysbus, &error_fatal);
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memory_region_add_subregion(&m->macio, DJMEMC_BASE - IO_BASE,
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sysbus_mmio_get_region(sysbus, 0));
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/* IOSB subsystem */
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object_initialize_child(OBJECT(machine), "iosb", &m->iosb, TYPE_IOSB);
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sysbus = SYS_BUS_DEVICE(&m->iosb);
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sysbus_realize_and_unref(sysbus, &error_fatal);
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memory_region_add_subregion(&m->macio, IOSB_BASE - IO_BASE,
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sysbus_mmio_get_region(sysbus, 0));
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/* VIA 1 */
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object_initialize_child(OBJECT(machine), "via1", &m->via1,
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TYPE_MOS6522_Q800_VIA1);
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dinfo = drive_get(IF_MTD, 0, 0);
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if (dinfo) {
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qdev_prop_set_drive(DEVICE(&m->via1), "drive",
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blk_by_legacy_dinfo(dinfo));
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}
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sysbus = SYS_BUS_DEVICE(&m->via1);
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sysbus_realize(sysbus, &error_fatal);
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memory_region_add_subregion(&m->macio, VIA_BASE - IO_BASE,
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sysbus_mmio_get_region(sysbus, 1));
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sysbus_connect_irq(sysbus, 0,
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qdev_get_gpio_in(DEVICE(&m->glue), GLUE_IRQ_IN_VIA1));
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/* A/UX mode */
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qdev_connect_gpio_out(DEVICE(&m->via1), 0,
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qdev_get_gpio_in_named(DEVICE(&m->glue),
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"auxmode", 0));
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adb_bus = qdev_get_child_bus(DEVICE(&m->via1), "adb.0");
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dev = qdev_new(TYPE_ADB_KEYBOARD);
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qdev_realize_and_unref(dev, adb_bus, &error_fatal);
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dev = qdev_new(TYPE_ADB_MOUSE);
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qdev_realize_and_unref(dev, adb_bus, &error_fatal);
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/* VIA 2 */
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object_initialize_child(OBJECT(machine), "via2", &m->via2,
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TYPE_MOS6522_Q800_VIA2);
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sysbus = SYS_BUS_DEVICE(&m->via2);
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sysbus_realize(sysbus, &error_fatal);
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memory_region_add_subregion(&m->macio, VIA_BASE - IO_BASE + VIA_SIZE,
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sysbus_mmio_get_region(sysbus, 1));
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sysbus_connect_irq(sysbus, 0,
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qdev_get_gpio_in(DEVICE(&m->glue), GLUE_IRQ_IN_VIA2));
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/* MACSONIC */
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/*
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* MacSonic driver needs an Apple MAC address
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* Valid prefix are:
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* 00:05:02 Apple
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* 00:80:19 Dayna Communications, Inc.
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* 00:A0:40 Apple
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* 08:00:07 Apple
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* (Q800 use the last one)
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*/
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object_initialize_child(OBJECT(machine), "dp8393x", &m->dp8393x,
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TYPE_DP8393X);
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dev = DEVICE(&m->dp8393x);
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nd = qemu_find_nic_info(TYPE_DP8393X, true, "dp83932");
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if (nd) {
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qdev_set_nic_properties(dev, nd);
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memcpy(mac.a, nd->macaddr.a, sizeof(mac.a));
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} else {
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qemu_macaddr_default_if_unset(&mac);
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}
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mac.a[0] = 0x08;
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mac.a[1] = 0x00;
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mac.a[2] = 0x07;
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qdev_prop_set_macaddr(dev, "mac", mac.a);
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qdev_prop_set_uint8(dev, "it_shift", 2);
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qdev_prop_set_bit(dev, "big_endian", true);
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object_property_set_link(OBJECT(dev), "dma_mr",
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OBJECT(get_system_memory()), &error_abort);
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sysbus = SYS_BUS_DEVICE(dev);
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sysbus_realize(sysbus, &error_fatal);
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memory_region_add_subregion(&m->macio, SONIC_BASE - IO_BASE,
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sysbus_mmio_get_region(sysbus, 0));
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sysbus_connect_irq(sysbus, 0,
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qdev_get_gpio_in(DEVICE(&m->glue), GLUE_IRQ_IN_SONIC));
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memory_region_init_rom(&m->dp8393x_prom, NULL, "dp8393x-q800.prom",
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SONIC_PROM_SIZE, &error_fatal);
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memory_region_add_subregion(get_system_memory(), SONIC_PROM_BASE,
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&m->dp8393x_prom);
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/* Add MAC address with valid checksum to PROM */
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prom = memory_region_get_ram_ptr(&m->dp8393x_prom);
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checksum = 0;
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for (i = 0; i < 6; i++) {
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prom[i] = revbit8(mac.a[i]);
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checksum ^= prom[i];
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}
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prom[7] = 0xff - checksum;
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/* SCC */
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object_initialize_child(OBJECT(machine), "escc", &m->escc,
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TYPE_ESCC);
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dev = DEVICE(&m->escc);
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qdev_prop_set_uint32(dev, "disabled", 0);
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qdev_prop_set_uint32(dev, "frequency", MAC_CLOCK);
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qdev_prop_set_uint32(dev, "it_shift", 1);
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qdev_prop_set_bit(dev, "bit_swap", true);
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qdev_prop_set_chr(dev, "chrA", serial_hd(0));
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qdev_prop_set_chr(dev, "chrB", serial_hd(1));
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qdev_prop_set_uint32(dev, "chnBtype", 0);
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qdev_prop_set_uint32(dev, "chnAtype", 0);
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sysbus = SYS_BUS_DEVICE(dev);
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sysbus_realize(sysbus, &error_fatal);
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/* Logically OR both its IRQs together */
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object_initialize_child(OBJECT(machine), "escc_orgate", &m->escc_orgate,
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TYPE_OR_IRQ);
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object_property_set_int(OBJECT(&m->escc_orgate), "num-lines", 2,
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&error_fatal);
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dev = DEVICE(&m->escc_orgate);
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qdev_realize(dev, NULL, &error_fatal);
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sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(dev, 0));
|
|
sysbus_connect_irq(sysbus, 1, qdev_get_gpio_in(dev, 1));
|
|
qdev_connect_gpio_out(dev, 0,
|
|
qdev_get_gpio_in(DEVICE(&m->glue),
|
|
GLUE_IRQ_IN_ESCC));
|
|
memory_region_add_subregion(&m->macio, SCC_BASE - IO_BASE,
|
|
sysbus_mmio_get_region(sysbus, 0));
|
|
|
|
/* Create alias for NetBSD */
|
|
memory_region_init_alias(&m->escc_alias, OBJECT(machine), "escc-alias",
|
|
sysbus_mmio_get_region(sysbus, 0), 0, 0x8);
|
|
memory_region_add_subregion(&m->macio, SCC_BASE - IO_BASE - 0x20,
|
|
&m->escc_alias);
|
|
|
|
/* SCSI */
|
|
|
|
object_initialize_child(OBJECT(machine), "esp", &m->esp,
|
|
TYPE_SYSBUS_ESP);
|
|
sysbus_esp = SYSBUS_ESP(&m->esp);
|
|
esp = &sysbus_esp->esp;
|
|
esp->dma_memory_read = NULL;
|
|
esp->dma_memory_write = NULL;
|
|
esp->dma_opaque = NULL;
|
|
sysbus_esp->it_shift = 4;
|
|
esp->dma_enabled = 1;
|
|
|
|
sysbus = SYS_BUS_DEVICE(&m->esp);
|
|
sysbus_realize(sysbus, &error_fatal);
|
|
/* SCSI and SCSI data IRQs are negative edge triggered */
|
|
sysbus_connect_irq(sysbus, 0,
|
|
qemu_irq_invert(
|
|
qdev_get_gpio_in(DEVICE(&m->via2),
|
|
VIA2_IRQ_SCSI_BIT)));
|
|
sysbus_connect_irq(sysbus, 1,
|
|
qemu_irq_invert(
|
|
qdev_get_gpio_in(DEVICE(&m->via2),
|
|
VIA2_IRQ_SCSI_DATA_BIT)));
|
|
memory_region_add_subregion(&m->macio, ESP_BASE - IO_BASE,
|
|
sysbus_mmio_get_region(sysbus, 0));
|
|
memory_region_add_subregion(&m->macio, ESP_PDMA - IO_BASE,
|
|
sysbus_mmio_get_region(sysbus, 1));
|
|
|
|
scsi_bus_legacy_handle_cmdline(&esp->bus);
|
|
|
|
/* Apple Sound Chip */
|
|
|
|
object_initialize_child(OBJECT(machine), "asc", &m->asc, TYPE_ASC);
|
|
qdev_prop_set_uint8(DEVICE(&m->asc), "asctype", m->easc ? ASC_TYPE_EASC
|
|
: ASC_TYPE_ASC);
|
|
if (machine->audiodev) {
|
|
qdev_prop_set_string(DEVICE(&m->asc), "audiodev", machine->audiodev);
|
|
}
|
|
sysbus = SYS_BUS_DEVICE(&m->asc);
|
|
sysbus_realize_and_unref(sysbus, &error_fatal);
|
|
memory_region_add_subregion(&m->macio, ASC_BASE - IO_BASE,
|
|
sysbus_mmio_get_region(sysbus, 0));
|
|
sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(DEVICE(&m->glue),
|
|
GLUE_IRQ_IN_ASC));
|
|
|
|
/* Wire ASC IRQ via GLUE for use in classic mode */
|
|
qdev_connect_gpio_out(DEVICE(&m->glue), GLUE_IRQ_ASC,
|
|
qdev_get_gpio_in(DEVICE(&m->via2),
|
|
VIA2_IRQ_ASC_BIT));
|
|
|
|
/* SWIM floppy controller */
|
|
|
|
object_initialize_child(OBJECT(machine), "swim", &m->swim,
|
|
TYPE_SWIM);
|
|
sysbus = SYS_BUS_DEVICE(&m->swim);
|
|
sysbus_realize(sysbus, &error_fatal);
|
|
memory_region_add_subregion(&m->macio, SWIM_BASE - IO_BASE,
|
|
sysbus_mmio_get_region(sysbus, 0));
|
|
|
|
/* NuBus */
|
|
|
|
object_initialize_child(OBJECT(machine), "mac-nubus-bridge",
|
|
&m->mac_nubus_bridge,
|
|
TYPE_MAC_NUBUS_BRIDGE);
|
|
sysbus = SYS_BUS_DEVICE(&m->mac_nubus_bridge);
|
|
dev = DEVICE(&m->mac_nubus_bridge);
|
|
qdev_prop_set_uint32(DEVICE(&m->mac_nubus_bridge), "slot-available-mask",
|
|
Q800_NUBUS_SLOTS_AVAILABLE);
|
|
sysbus_realize(sysbus, &error_fatal);
|
|
memory_region_add_subregion(get_system_memory(),
|
|
MAC_NUBUS_FIRST_SLOT * NUBUS_SUPER_SLOT_SIZE,
|
|
sysbus_mmio_get_region(sysbus, 0));
|
|
memory_region_add_subregion(get_system_memory(),
|
|
NUBUS_SLOT_BASE +
|
|
MAC_NUBUS_FIRST_SLOT * NUBUS_SLOT_SIZE,
|
|
sysbus_mmio_get_region(sysbus, 1));
|
|
qdev_connect_gpio_out(dev, 9,
|
|
qdev_get_gpio_in_named(DEVICE(&m->via2), "nubus-irq",
|
|
VIA2_NUBUS_IRQ_INTVIDEO));
|
|
for (i = 1; i < VIA2_NUBUS_IRQ_NB; i++) {
|
|
qdev_connect_gpio_out(dev, 9 + i,
|
|
qdev_get_gpio_in_named(DEVICE(&m->via2),
|
|
"nubus-irq",
|
|
VIA2_NUBUS_IRQ_9 + i));
|
|
}
|
|
|
|
/*
|
|
* Since the framebuffer in slot 0x9 uses a separate IRQ, wire the unused
|
|
* IRQ via GLUE for use by SONIC Ethernet in classic mode
|
|
*/
|
|
qdev_connect_gpio_out(DEVICE(&m->glue), GLUE_IRQ_NUBUS_9,
|
|
qdev_get_gpio_in_named(DEVICE(&m->via2), "nubus-irq",
|
|
VIA2_NUBUS_IRQ_9));
|
|
|
|
nubus = NUBUS_BUS(qdev_get_child_bus(dev, "nubus-bus.0"));
|
|
|
|
/* framebuffer in nubus slot #9 */
|
|
|
|
object_initialize_child(OBJECT(machine), "macfb", &m->macfb,
|
|
TYPE_NUBUS_MACFB);
|
|
dev = DEVICE(&m->macfb);
|
|
qdev_prop_set_uint32(dev, "slot", 9);
|
|
qdev_prop_set_uint32(dev, "width", graphic_width);
|
|
qdev_prop_set_uint32(dev, "height", graphic_height);
|
|
qdev_prop_set_uint8(dev, "depth", graphic_depth);
|
|
if (graphic_width == 1152 && graphic_height == 870) {
|
|
qdev_prop_set_uint8(dev, "display", MACFB_DISPLAY_APPLE_21_COLOR);
|
|
} else {
|
|
qdev_prop_set_uint8(dev, "display", MACFB_DISPLAY_VGA);
|
|
}
|
|
qdev_realize(dev, BUS(nubus), &error_fatal);
|
|
|
|
macfb_mode = (NUBUS_MACFB(dev)->macfb).mode;
|
|
|
|
cs = CPU(&m->cpu);
|
|
if (linux_boot) {
|
|
uint64_t high;
|
|
void *param_blob, *param_ptr, *param_rng_seed;
|
|
|
|
if (kernel_cmdline) {
|
|
param_blob = g_malloc(strlen(kernel_cmdline) + 1024);
|
|
} else {
|
|
param_blob = g_malloc(1024);
|
|
}
|
|
|
|
kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
|
|
&elf_entry, NULL, &high, NULL, 1,
|
|
EM_68K, 0, 0);
|
|
if (kernel_size < 0) {
|
|
error_report("could not load kernel '%s'", kernel_filename);
|
|
exit(1);
|
|
}
|
|
stl_phys(cs->as, 4, elf_entry); /* reset initial PC */
|
|
parameters_base = (high + 1) & ~1;
|
|
param_ptr = param_blob;
|
|
|
|
BOOTINFO1(param_ptr, BI_MACHTYPE, MACH_MAC);
|
|
BOOTINFO1(param_ptr, BI_FPUTYPE, FPU_68040);
|
|
BOOTINFO1(param_ptr, BI_MMUTYPE, MMU_68040);
|
|
BOOTINFO1(param_ptr, BI_CPUTYPE, CPU_68040);
|
|
BOOTINFO1(param_ptr, BI_MAC_CPUID, CPUB_68040);
|
|
BOOTINFO1(param_ptr, BI_MAC_MODEL, MAC_MODEL_Q800);
|
|
BOOTINFO1(param_ptr,
|
|
BI_MAC_MEMSIZE, ram_size >> 20); /* in MB */
|
|
BOOTINFO2(param_ptr, BI_MEMCHUNK, 0, ram_size);
|
|
BOOTINFO1(param_ptr, BI_MAC_VADDR,
|
|
VIDEO_BASE + macfb_mode->offset);
|
|
BOOTINFO1(param_ptr, BI_MAC_VDEPTH, graphic_depth);
|
|
BOOTINFO1(param_ptr, BI_MAC_VDIM,
|
|
(graphic_height << 16) | graphic_width);
|
|
BOOTINFO1(param_ptr, BI_MAC_VROW, macfb_mode->stride);
|
|
BOOTINFO1(param_ptr, BI_MAC_SCCBASE, SCC_BASE);
|
|
|
|
memory_region_init_ram_ptr(&m->rom, NULL, "m68k_fake_mac.rom",
|
|
sizeof(fake_mac_rom), fake_mac_rom);
|
|
memory_region_set_readonly(&m->rom, true);
|
|
memory_region_add_subregion(get_system_memory(), MACROM_ADDR, &m->rom);
|
|
|
|
if (kernel_cmdline) {
|
|
BOOTINFOSTR(param_ptr, BI_COMMAND_LINE,
|
|
kernel_cmdline);
|
|
}
|
|
|
|
/* Pass seed to RNG. */
|
|
param_rng_seed = param_ptr;
|
|
qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed));
|
|
BOOTINFODATA(param_ptr, BI_RNG_SEED,
|
|
rng_seed, sizeof(rng_seed));
|
|
|
|
/* load initrd */
|
|
if (initrd_filename) {
|
|
initrd_size = get_image_size(initrd_filename);
|
|
if (initrd_size < 0) {
|
|
error_report("could not load initial ram disk '%s'",
|
|
initrd_filename);
|
|
exit(1);
|
|
}
|
|
|
|
initrd_base = (ram_size - initrd_size) & TARGET_PAGE_MASK;
|
|
load_image_targphys(initrd_filename, initrd_base,
|
|
ram_size - initrd_base);
|
|
BOOTINFO2(param_ptr, BI_RAMDISK, initrd_base,
|
|
initrd_size);
|
|
} else {
|
|
initrd_base = 0;
|
|
initrd_size = 0;
|
|
}
|
|
BOOTINFO0(param_ptr, BI_LAST);
|
|
rom_add_blob_fixed_as("bootinfo", param_blob, param_ptr - param_blob,
|
|
parameters_base, cs->as);
|
|
qemu_register_reset_nosnapshotload(rerandomize_rng_seed,
|
|
rom_ptr_for_as(cs->as, parameters_base,
|
|
param_ptr - param_blob) +
|
|
(param_rng_seed - param_blob));
|
|
g_free(param_blob);
|
|
} else {
|
|
uint8_t *ptr;
|
|
/* allocate and load BIOS */
|
|
memory_region_init_rom(&m->rom, NULL, "m68k_mac.rom", MACROM_SIZE,
|
|
&error_abort);
|
|
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
|
|
memory_region_add_subregion(get_system_memory(), MACROM_ADDR, &m->rom);
|
|
|
|
memory_region_init_alias(&m->rom_alias, NULL, "m68k_mac.rom-alias",
|
|
&m->rom, 0, MACROM_SIZE);
|
|
memory_region_add_subregion(get_system_memory(), 0x40000000,
|
|
&m->rom_alias);
|
|
|
|
/* Load MacROM binary */
|
|
if (filename) {
|
|
bios_size = load_image_targphys(filename, MACROM_ADDR, MACROM_SIZE);
|
|
g_free(filename);
|
|
} else {
|
|
bios_size = -1;
|
|
}
|
|
|
|
/* Remove qtest_enabled() check once firmware files are in the tree */
|
|
if (!qtest_enabled()) {
|
|
if (bios_size <= 0 || bios_size > MACROM_SIZE) {
|
|
error_report("could not load MacROM '%s'", bios_name);
|
|
exit(1);
|
|
}
|
|
|
|
ptr = rom_ptr(MACROM_ADDR, bios_size);
|
|
assert(ptr != NULL);
|
|
stl_phys(cs->as, 0, ldl_be_p(ptr)); /* reset initial SP */
|
|
stl_phys(cs->as, 4,
|
|
MACROM_ADDR + ldl_be_p(ptr + 4)); /* reset initial PC */
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool q800_get_easc(Object *obj, Error **errp)
|
|
{
|
|
Q800MachineState *ms = Q800_MACHINE(obj);
|
|
|
|
return ms->easc;
|
|
}
|
|
|
|
static void q800_set_easc(Object *obj, bool value, Error **errp)
|
|
{
|
|
Q800MachineState *ms = Q800_MACHINE(obj);
|
|
|
|
ms->easc = value;
|
|
}
|
|
|
|
static void q800_init(Object *obj)
|
|
{
|
|
Q800MachineState *ms = Q800_MACHINE(obj);
|
|
|
|
/* Default to EASC */
|
|
ms->easc = true;
|
|
}
|
|
|
|
static GlobalProperty hw_compat_q800[] = {
|
|
{ "scsi-hd", "quirk_mode_page_vendor_specific_apple", "on" },
|
|
{ "scsi-hd", "vendor", " SEAGATE" },
|
|
{ "scsi-hd", "product", " ST225N" },
|
|
{ "scsi-hd", "ver", "1.0 " },
|
|
{ "scsi-cd", "quirk_mode_page_apple_vendor", "on" },
|
|
{ "scsi-cd", "quirk_mode_sense_rom_use_dbd", "on" },
|
|
{ "scsi-cd", "quirk_mode_page_vendor_specific_apple", "on" },
|
|
{ "scsi-cd", "quirk_mode_page_truncated", "on" },
|
|
{ "scsi-cd", "vendor", "MATSHITA" },
|
|
{ "scsi-cd", "product", "CD-ROM CR-8005" },
|
|
{ "scsi-cd", "ver", "1.0k" },
|
|
};
|
|
static const size_t hw_compat_q800_len = G_N_ELEMENTS(hw_compat_q800);
|
|
|
|
static void q800_machine_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
static const char * const valid_cpu_types[] = {
|
|
M68K_CPU_TYPE_NAME("m68040"),
|
|
NULL
|
|
};
|
|
MachineClass *mc = MACHINE_CLASS(oc);
|
|
|
|
mc->desc = "Macintosh Quadra 800";
|
|
mc->init = q800_machine_init;
|
|
mc->default_cpu_type = M68K_CPU_TYPE_NAME("m68040");
|
|
mc->valid_cpu_types = valid_cpu_types;
|
|
mc->max_cpus = 1;
|
|
mc->block_default_type = IF_SCSI;
|
|
mc->default_ram_id = "m68k_mac.ram";
|
|
machine_add_audiodev_property(mc);
|
|
compat_props_add(mc->compat_props, hw_compat_q800, hw_compat_q800_len);
|
|
|
|
object_class_property_add_bool(oc, "easc", q800_get_easc, q800_set_easc);
|
|
object_class_property_set_description(oc, "easc",
|
|
"Set to off to use ASC rather than EASC");
|
|
}
|
|
|
|
static const TypeInfo q800_machine_typeinfo = {
|
|
.name = MACHINE_TYPE_NAME("q800"),
|
|
.parent = TYPE_MACHINE,
|
|
.instance_init = q800_init,
|
|
.instance_size = sizeof(Q800MachineState),
|
|
.class_init = q800_machine_class_init,
|
|
};
|
|
|
|
static void q800_machine_register_types(void)
|
|
{
|
|
type_register_static(&q800_machine_typeinfo);
|
|
}
|
|
|
|
type_init(q800_machine_register_types)
|