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Re: [Qemu-devel] [PATCH v7 10/10] hw/m68k: define Macintosh Quadra 800


From: Aleksandar Markovic
Subject: Re: [Qemu-devel] [PATCH v7 10/10] hw/m68k: define Macintosh Quadra 800
Date: Mon, 27 May 2019 16:18:30 +0200

On May 27, 2019 3:32 PM, "Aleksandar Markovic" <address@hidden>
wrote:
>
>
> 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
>

And the same for Debian iso.

Thanks in advance, 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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