|
| From: | Aleksandar Markovic |
| Subject: | Re: [Qemu-block] [Qemu-devel] [PATCH v7 10/10] hw/m68k: define Macintosh Quadra 800 |
| Date: | Mon, 27 May 2019 15:32:03 +0200 |
On May 26, 2019 1:07 AM, "Laurent Vivier" <address@hidden> wrote:
>
> If you want to test the machine, it doesn't yet boot a MacROM, but you can
> boot a linux kernel from the command line.
>
> You can install your own disk using debian-installer with:
>
> ./qemu-system-m68k \
> -M q800 \
> -serial none -serial mon:stdio \
> -m 1000M -drive file=m68k.qcow2,format=qcow2 \
> -net nic,model=dp83932,addr=09:00:07:12:34:57 \
> -append "console=ttyS0 vga=off" \
> -kernel vmlinux-4.15.0-2-m68k \
> -initrd initrd.gz \
> -drive file=debian-9.0-m68k-NETINST-1.iso \
> -drive file=m68k.qcow2,format=qcow2 \
> -nographic
>
Hello Laurent,
How does one obtain vmlinux-4.15.0-2-m68 and init.rd?
Greetings, Aleksandar
> If you use a graphic adapter instead of "-nographic", you can use "-g" to set the
> size of the display (I use "-g 1600x800x24").
>
> Co-developed-by: Mark Cave-Ayland <address@hidden>
> Signed-off-by: Mark Cave-Ayland <address@hidden>
> Signed-off-by: Laurent Vivier <address@hidden>
> ---
> MAINTAINERS | 14 ++
> default-configs/m68k-softmmu.mak | 1 +
> hw/m68k/Kconfig | 12 +
> hw/m68k/Makefile.objs | 1 +
> hw/m68k/bootinfo.h | 100 +++++++++
> hw/m68k/q800.c | 369 +++++++++++++++++++++++++++++++
> 6 files changed, 497 insertions(+)
> create mode 100644 hw/m68k/bootinfo.h
> create mode 100644 hw/m68k/q800.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 3cacd751bf..274dfd6e19 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -906,6 +906,20 @@ F: hw/char/mcf_uart.c
> F: hw/net/mcf_fec.c
> F: include/hw/m68k/mcf*.h
>
> +q800
> +M: Laurent Vivier <address@hidden>
> +S: Maintained
> +F: hw/block/swim.c
> +F: hw/m68k/bootinfo.h
> +F: hw/display/macfb.c
> +F: hw/m68k/q800.c
> +F: hw/misc/mac_via.c
> +F: hw/nubus/*
> +F: include/hw/block/swim.h
> +F: include/hw/display/macfb.h
> +F: include/hw/misc/mac_via.h
> +F: include/hw/nubus/*
> +
> MicroBlaze Machines
> -------------------
> petalogix_s3adsp1800
> diff --git a/default-configs/m68k-softmmu.mak b/default-configs/m68k-softmmu.mak
> index e17495e2a0..7e3649c1b8 100644
> --- a/default-configs/m68k-softmmu.mak
> +++ b/default-configs/m68k-softmmu.mak
> @@ -4,3 +4,4 @@
> #
> CONFIG_AN5206=y
> CONFIG_MCF5208=y
> +CONFIG_Q800=y
> diff --git a/hw/m68k/Kconfig b/hw/m68k/Kconfig
> index 49ef0b3f6d..ffa8e48fd8 100644
> --- a/hw/m68k/Kconfig
> +++ b/hw/m68k/Kconfig
> @@ -7,3 +7,15 @@ config MCF5208
> bool
> select COLDFIRE
> select PTIMER
> +
> +config Q800
> + bool
> + select FRAMEBUFFER
> + select ADB
> + select MAC_VIA
> + select ESCC
> + select ESP
> + select MACFB
> + select NUBUS
> + select DP8393X
> + select SWIM
> diff --git a/hw/m68k/Makefile.objs b/hw/m68k/Makefile.objs
> index 482f8477b4..cfd13fae53 100644
> --- a/hw/m68k/Makefile.objs
> +++ b/hw/m68k/Makefile.objs
> @@ -1,2 +1,3 @@
> obj-$(CONFIG_AN5206) += an5206.o mcf5206.o
> obj-$(CONFIG_MCF5208) += mcf5208.o mcf_intc.o
> +obj-$(CONFIG_Q800) += q800.o
> diff --git a/hw/m68k/bootinfo.h b/hw/m68k/bootinfo.h
> new file mode 100644
> index 0000000000..6584775f6d
> --- /dev/null
> +++ b/hw/m68k/bootinfo.h
> @@ -0,0 +1,100 @@
> +struct bi_record {
> + uint16_t tag; /* tag ID */
> + uint16_t size; /* size of record */
> + uint32_t data[0]; /* data */
> +};
> +
> +/* machine independent tags */
> +
> +#define BI_LAST 0x0000 /* last record */
> +#define BI_MACHTYPE 0x0001 /* machine type (u_long) */
> +#define BI_CPUTYPE 0x0002 /* cpu type (u_long) */
> +#define BI_FPUTYPE 0x0003 /* fpu type (u_long) */
> +#define BI_MMUTYPE 0x0004 /* mmu type (u_long) */
> +#define BI_MEMCHUNK 0x0005 /* memory chunk address and size */
> + /* (struct mem_info) */
> +#define BI_RAMDISK 0x0006 /* ramdisk address and size */
> + /* (struct mem_info) */
> +#define BI_COMMAND_LINE 0x0007 /* kernel command line parameters */
> + /* (string) */
> +
> +/* Macintosh-specific tags (all u_long) */
> +
> +#define BI_MAC_MODEL 0x8000 /* Mac Gestalt ID (model type) */
> +#define BI_MAC_VADDR 0x8001 /* Mac video base address */
> +#define BI_MAC_VDEPTH 0x8002 /* Mac video depth */
> +#define BI_MAC_VROW 0x8003 /* Mac video rowbytes */
> +#define BI_MAC_VDIM 0x8004 /* Mac video dimensions */
> +#define BI_MAC_VLOGICAL 0x8005 /* Mac video logical base */
> +#define BI_MAC_SCCBASE 0x8006 /* Mac SCC base address */
> +#define BI_MAC_BTIME 0x8007 /* Mac boot time */
> +#define BI_MAC_GMTBIAS 0x8008 /* Mac GMT timezone offset */
> +#define BI_MAC_MEMSIZE 0x8009 /* Mac RAM size (sanity check) */
> +#define BI_MAC_CPUID 0x800a /* Mac CPU type (sanity check) */
> +#define BI_MAC_ROMBASE 0x800b /* Mac system ROM base address */
> +
> +/* Macintosh hardware profile data */
> +
> +#define BI_MAC_VIA1BASE 0x8010 /* Mac VIA1 base address (always present) */
> +#define BI_MAC_VIA2BASE 0x8011 /* Mac VIA2 base address (type varies) */
> +#define BI_MAC_VIA2TYPE 0x8012 /* Mac VIA2 type (VIA, RBV, OSS) */
> +#define BI_MAC_ADBTYPE 0x8013 /* Mac ADB interface type */
> +#define BI_MAC_ASCBASE 0x8014 /* Mac Apple Sound Chip base address */
> +#define BI_MAC_SCSI5380 0x8015 /* Mac NCR 5380 SCSI (base address, multi) */
> +#define BI_MAC_SCSIDMA 0x8016 /* Mac SCSI DMA (base address) */
> +#define BI_MAC_SCSI5396 0x8017 /* Mac NCR 53C96 SCSI (base address, multi) */
> +#define BI_MAC_IDETYPE 0x8018 /* Mac IDE interface type */
> +#define BI_MAC_IDEBASE 0x8019 /* Mac IDE interface base address */
> +#define BI_MAC_NUBUS 0x801a /* Mac Nubus type (none, regular, pseudo) */
> +#define BI_MAC_SLOTMASK 0x801b /* Mac Nubus slots present */
> +#define BI_MAC_SCCTYPE 0x801c /* Mac SCC serial type (normal, IOP) */
> +#define BI_MAC_ETHTYPE 0x801d /* Mac builtin ethernet type (Sonic, MACE */
> +#define BI_MAC_ETHBASE 0x801e /* Mac builtin ethernet base address */
> +#define BI_MAC_PMU 0x801f /* Mac power management / poweroff hardware */
> +#define BI_MAC_IOP_SWIM 0x8020 /* Mac SWIM floppy IOP */
> +#define BI_MAC_IOP_ADB 0x8021 /* Mac ADB IOP */
> +
> +#define BOOTINFO0(as, base, id) \
> + do { \
> + stw_phys(as, base, id); \
> + base += 2; \
> + stw_phys(as, base, sizeof(struct bi_record)); \
> + base += 2; \
> + } while (0)
> +
> +#define BOOTINFO1(as, base, id, value) \
> + do { \
> + stw_phys(as, base, id); \
> + base += 2; \
> + stw_phys(as, base, sizeof(struct bi_record) + 4); \
> + base += 2; \
> + stl_phys(as, base, value); \
> + base += 4; \
> + } while (0)
> +
> +#define BOOTINFO2(as, base, id, value1, value2) \
> + do { \
> + stw_phys(as, base, id); \
> + base += 2; \
> + stw_phys(as, base, sizeof(struct bi_record) + 8); \
> + base += 2; \
> + stl_phys(as, base, value1); \
> + base += 4; \
> + stl_phys(as, base, value2); \
> + base += 4; \
> + } while (0)
> +
> +#define BOOTINFOSTR(as, base, id, string) \
> + do { \
> + int i; \
> + stw_phys(as, base, id); \
> + base += 2; \
> + stw_phys(as, base, \
> + (sizeof(struct bi_record) + strlen(string) + 2) & ~1); \
> + base += 2; \
> + for (i = 0; string[i]; i++) { \
> + stb_phys(as, base++, string[i]); \
> + } \
> + stb_phys(as, base++, 0); \
> + base = (parameters_base + 1) & ~1; \
> + } while (0)
> diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c
> new file mode 100644
> index 0000000000..66f4fc827d
> --- /dev/null
> +++ b/hw/m68k/q800.c
> @@ -0,0 +1,369 @@
> +/*
> + * QEMU Motorla 680x0 Macintosh hardware System Emulator
> + *
> + * 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 "qemu/osdep.h"
> +#include "sysemu/sysemu.h"
> +#include "cpu.h"
> +#include "hw/hw.h"
> +#include "hw/boards.h"
> +#include "elf.h"
> +#include "hw/loader.h"
> +#include "ui/console.h"
> +#include "exec/address-spaces.h"
> +#include "hw/char/escc.h"
> +#include "hw/sysbus.h"
> +#include "hw/scsi/esp.h"
> +#include "bootinfo.h"
> +#include "hw/misc/mac_via.h"
> +#include "hw/input/adb.h"
> +#include "hw/nubus/mac-nubus-bridge.h"
> +#include "hw/display/macfb.h"
> +#include "hw/block/swim.h"
> +#include "net/net.h"
> +#include "qapi/error.h"
> +#include "sysemu/qtest.h"
> +
> +#define MACROM_ADDR 0x40000000
> +#define MACROM_SIZE 0x00100000
> +
> +#define MACROM_FILENAME "MacROM.bin"
> +
> +#define Q800_MACHINE_ID 35
> +#define Q800_CPU_ID (1 << 2)
> +#define Q800_FPU_ID (1 << 2)
> +#define Q800_MMU_ID (1 << 2)
> +
> +#define MACH_MAC 3
> +#define Q800_MAC_CPU_ID 2
> +
> +#define VIA_BASE 0x50f00000
> +#define SONIC_PROM_BASE 0x50f08000
> +#define SONIC_BASE 0x50f0a000
> +#define SCC_BASE 0x50f0c020
> +#define ESP_BASE 0x50f10000
> +#define ESP_PDMA 0x50f10100
> +#define ASC_BASE 0x50F14000
> +#define SWIM_BASE 0x50F1E000
> +#define NUBUS_SUPER_SLOT_BASE 0x60000000
> +#define NUBUS_SLOT_BASE 0xf0000000
> +
> +/* the video base, whereas it a Nubus address,
> + * is needed by the kernel to have early display and
> + * thus provided by the bootloader
> + */
> +#define VIDEO_BASE 0xf9001000
> +
> +#define MAC_CLOCK 3686418
> +
> +typedef struct {
> + M68kCPU *cpu;
> + uint8_t ipr;
> +} Q800IRQState;
> +
> +static void q800_set_irq(void *opaque, int irq, int level)
> +{
> + Q800IRQState *s = opaque;
> + int i;
> +
> + if (level) {
> + s->ipr |= 1 << irq;
> + } else {
> + s->ipr &= ~(1 << irq);
> + }
> +
> + for (i = 7; i >= 0; i--) {
> + if ((s->ipr >> i) & 1) {
> + m68k_set_irq_level(s->cpu, i + 1, i + 25);
> + return;
> + }
> + }
> + m68k_set_irq_level(s->cpu, 0, 0);
> +}
> +
> +
> +static void main_cpu_reset(void *opaque)
> +{
> + M68kCPU *cpu = opaque;
> + CPUState *cs = CPU(cpu);
> +
> + cpu_reset(cs);
> + cpu->env.aregs[7] = ldl_phys(cs->as, 0);
> + cpu->env.pc = ldl_phys(cs->as, 4);
> +}
> +
> +static void q800_init(MachineState *machine)
> +{
> + M68kCPU *cpu = NULL;
> + int linux_boot;
> + int32_t kernel_size;
> + uint64_t elf_entry;
> + char *filename;
> + int bios_size;
> + ram_addr_t initrd_base;
> + int32_t initrd_size;
> + MemoryRegion *rom;
> + MemoryRegion *ram;
> + ram_addr_t ram_size = machine->ram_size;
> + const char *kernel_filename = machine->kernel_filename;
> + const char *initrd_filename = machine->initrd_filename;
> + const char *kernel_cmdline = machine->kernel_cmdline;
> + hwaddr parameters_base;
> + CPUState *cs;
> + DeviceState *dev;
> + DeviceState *via_dev;
> + SysBusESPState *sysbus_esp;
> + ESPState *esp;
> + SysBusDevice *sysbus;
> + BusState *adb_bus;
> + NubusBus *nubus;
> + Q800IRQState *irq;
> + qemu_irq *pic;
> +
> + linux_boot = (kernel_filename != NULL);
> +
> + /* init CPUs */
> + cpu = M68K_CPU(cpu_create(machine->cpu_type));
> + qemu_register_reset(main_cpu_reset, cpu);
> +
> + ram = g_malloc(sizeof(*ram));
> + memory_region_init_ram(ram, NULL, "m68k_mac.ram", ram_size, &error_abort);
> + memory_region_add_subregion(get_system_memory(), 0, ram);
> +
> + /* IRQ Glue */
> +
> + irq = g_new0(Q800IRQState, 1);
> + irq->cpu = cpu;
> + pic = qemu_allocate_irqs(q800_set_irq, irq, 8);
> +
> + /* VIA */
> +
> + via_dev = qdev_create(NULL, TYPE_MAC_VIA);
> + qdev_init_nofail(via_dev);
> + sysbus = SYS_BUS_DEVICE(via_dev);
> + sysbus_mmio_map(sysbus, 0, VIA_BASE);
> + qdev_connect_gpio_out_named(DEVICE(sysbus), "irq", 0, pic[0]);
> + qdev_connect_gpio_out_named(DEVICE(sysbus), "irq", 1, pic[1]);
> +
> +
> + adb_bus = qdev_get_child_bus(via_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);
> +
> + /* MACSONIC */
> +
> + if (nb_nics > 1) {
> + error_report("q800 can only have one ethernet interface");
> + exit(1);
> + }
> +
> + qemu_check_nic_model(&nd_table[0], "dp83932");
> +
> + /* MacSonic driver needs an Apple MAC address
> + * Valid prefix are:
> + * 00:05:02 Apple
> + * 00:80:19 Dayna Communications, Inc.
> + * 00:A0:40 Apple
> + * 08:00:07 Apple
> + * (Q800 use the last one)
> + */
> + nd_table[0].macaddr.a[0] = 0x08;
> + nd_table[0].macaddr.a[1] = 0x00;
> + nd_table[0].macaddr.a[2] = 0x07;
> +
> + dev = qdev_create(NULL, "dp8393x");
> + qdev_set_nic_properties(dev, &nd_table[0]);
> + qdev_prop_set_uint8(dev, "it_shift", 2);
> + qdev_prop_set_bit(dev, "big_endian", true);
> + qdev_prop_set_ptr(dev, "dma_mr", get_system_memory());
> + qdev_init_nofail(dev);
> + sysbus = SYS_BUS_DEVICE(dev);
> + sysbus_mmio_map(sysbus, 0, SONIC_BASE);
> + sysbus_mmio_map(sysbus, 1, SONIC_PROM_BASE);
> + sysbus_connect_irq(sysbus, 0, pic[2]);
> +
> + /* SCC */
> +
> + dev = qdev_create(NULL, TYPE_ESCC);
> + qdev_prop_set_uint32(dev, "disabled", 0);
> + qdev_prop_set_uint32(dev, "frequency", MAC_CLOCK);
> + qdev_prop_set_uint32(dev, "it_shift", 1);
> + qdev_prop_set_bit(dev, "bit_swap", true);
> + qdev_prop_set_chr(dev, "chrA", serial_hd(0));
> + qdev_prop_set_chr(dev, "chrB", serial_hd(1));
> + qdev_prop_set_uint32(dev, "chnBtype", 0);
> + qdev_prop_set_uint32(dev, "chnAtype", 0);
> + qdev_init_nofail(dev);
> + sysbus = SYS_BUS_DEVICE(dev);
> + sysbus_connect_irq(sysbus, 0, pic[3]);
> + sysbus_connect_irq(sysbus, 1, pic[3]);
> + sysbus_mmio_map(sysbus, 0, SCC_BASE);
> +
> + /* SCSI */
> +
> + dev = qdev_create(NULL, TYPE_ESP);
> + sysbus_esp = ESP_STATE(dev);
> + 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;
> + qdev_init_nofail(dev);
> +
> + sysbus = SYS_BUS_DEVICE(dev);
> + sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in_named(via_dev,
> + "via2-irq",
> + VIA2_IRQ_SCSI_BIT));
> + sysbus_connect_irq(sysbus, 1,
> + qdev_get_gpio_in_named(via_dev, "via2-irq",
> + VIA2_IRQ_SCSI_DATA_BIT));
> + sysbus_mmio_map(sysbus, 0, ESP_BASE);
> + sysbus_mmio_map(sysbus, 1, ESP_PDMA);
> +
> + scsi_bus_legacy_handle_cmdline(&esp->bus);
> +
> + /* SWIM floppy controller */
> +
> + dev = qdev_create(NULL, TYPE_SWIM);
> + qdev_init_nofail(dev);
> + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, SWIM_BASE);
> +
> + /* NuBus */
> +
> + dev = qdev_create(NULL, TYPE_MAC_NUBUS_BRIDGE);
> + qdev_init_nofail(dev);
> + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, NUBUS_SUPER_SLOT_BASE);
> + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, NUBUS_SLOT_BASE);
> +
> + nubus = MAC_NUBUS_BRIDGE(dev)->bus;
> +
> + /* framebuffer in nubus slot #9 */
> +
> + dev = qdev_create(BUS(nubus), TYPE_NUBUS_MACFB);
> + qdev_prop_set_uint32(dev, "width", graphic_width);
> + qdev_prop_set_uint32(dev, "height", graphic_height);
> + qdev_prop_set_uint8(dev, "depth", graphic_depth);
> + qdev_init_nofail(dev);
> +
> + cs = CPU(cpu);
> + if (linux_boot) {
> + uint64_t high;
> + kernel_size = load_elf(kernel_filename, NULL, NULL, NULL,
> + &elf_entry, NULL, &high, 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;
> +
> + BOOTINFO1(cs->as, parameters_base, BI_MACHTYPE, MACH_MAC);
> + BOOTINFO1(cs->as, parameters_base, BI_FPUTYPE, Q800_FPU_ID);
> + BOOTINFO1(cs->as, parameters_base, BI_MMUTYPE, Q800_MMU_ID);
> + BOOTINFO1(cs->as, parameters_base, BI_CPUTYPE, Q800_CPU_ID);
> + BOOTINFO1(cs->as, parameters_base, BI_MAC_CPUID, Q800_MAC_CPU_ID);
> + BOOTINFO1(cs->as, parameters_base, BI_MAC_MODEL, Q800_MACHINE_ID);
> + BOOTINFO1(cs->as, parameters_base,
> + BI_MAC_MEMSIZE, ram_size >> 20); /* in MB */
> + BOOTINFO2(cs->as, parameters_base, BI_MEMCHUNK, 0, ram_size);
> + BOOTINFO1(cs->as, parameters_base, BI_MAC_VADDR, VIDEO_BASE);
> + BOOTINFO1(cs->as, parameters_base, BI_MAC_VDEPTH, graphic_depth);
> + BOOTINFO1(cs->as, parameters_base, BI_MAC_VDIM,
> + (graphic_height << 16) | graphic_width);
> + BOOTINFO1(cs->as, parameters_base, BI_MAC_VROW,
> + (graphic_width * graphic_depth + 7) / 8);
> + BOOTINFO1(cs->as, parameters_base, BI_MAC_SCCBASE, SCC_BASE);
> +
> + if (kernel_cmdline) {
> + BOOTINFOSTR(cs->as, parameters_base, BI_COMMAND_LINE,
> + kernel_cmdline);
> + }
> +
> + /* 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(cs->as, parameters_base, BI_RAMDISK, initrd_base,
> + initrd_size);
> + } else {
> + initrd_base = 0;
> + initrd_size = 0;
> + }
> + BOOTINFO0(cs->as, parameters_base, BI_LAST);
> + } else {
> + uint8_t *ptr;
> + /* allocate and load BIOS */
> + rom = g_malloc(sizeof(*rom));
> + memory_region_init_ram(rom, NULL, "m68k_mac.rom", MACROM_SIZE,
> + &error_abort);
> + if (bios_name == NULL) {
> + bios_name = MACROM_FILENAME;
> + }
> + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
> + memory_region_set_readonly(rom, true);
> + memory_region_add_subregion(get_system_memory(), MACROM_ADDR, rom);
> +
> + /* 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, MACROM_SIZE);
> + stl_phys(cs->as, 0, ldl_p(ptr)); /* reset initial SP */
> + stl_phys(cs->as, 4,
> + MACROM_ADDR + ldl_p(ptr + 4)); /* reset initial PC */
> + }
> + }
> +}
> +
> +static void q800_machine_init(MachineClass *mc)
> +{
> + mc->desc = "Macintosh Quadra 800";
> + mc->init = q800_init;
> + mc->default_cpu_type = M68K_CPU_TYPE_NAME("m68040");
> + mc->max_cpus = 1;
> + mc->is_default = 0;
> + mc->block_default_type = IF_SCSI;
> +}
> +
> +DEFINE_MACHINE("q800", q800_machine_init)
> --
> 2.20.1
>
>
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