symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/sun4m.c
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/sun4m.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1648 @@
+/*
+ * QEMU Sun4m & Sun4d & Sun4c System Emulator
+ *
+ * Copyright (c) 2003-2005 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "hw.h"
+#include "qemu-timer.h"
+#include "sun4m.h"
+#include "nvram.h"
+#include "sparc32_dma.h"
+#include "fdc.h"
+#include "sysemu.h"
+#include "net.h"
+#include "boards.h"
+#include "firmware_abi.h"
+#include "scsi.h"
+#include "pc.h"
+#include "isa.h"
+#include "fw_cfg.h"
+
+//#define DEBUG_IRQ
+
+/*
+ * Sun4m architecture was used in the following machines:
+ *
+ * SPARCserver 6xxMP/xx
+ * SPARCclassic (SPARCclassic Server)(SPARCstation LC) (4/15),
+ * SPARCclassic X (4/10)
+ * SPARCstation LX/ZX (4/30)
+ * SPARCstation Voyager
+ * SPARCstation 10/xx, SPARCserver 10/xx
+ * SPARCstation 5, SPARCserver 5
+ * SPARCstation 20/xx, SPARCserver 20
+ * SPARCstation 4
+ *
+ * Sun4d architecture was used in the following machines:
+ *
+ * SPARCcenter 2000
+ * SPARCserver 1000
+ *
+ * Sun4c architecture was used in the following machines:
+ * SPARCstation 1/1+, SPARCserver 1/1+
+ * SPARCstation SLC
+ * SPARCstation IPC
+ * SPARCstation ELC
+ * SPARCstation IPX
+ *
+ * See for example: http://www.sunhelp.org/faq/sunref1.html
+ */
+
+#ifdef DEBUG_IRQ
+#define DPRINTF(fmt, args...)                           \
+    do { printf("CPUIRQ: " fmt , ##args); } while (0)
+#else
+#define DPRINTF(fmt, args...)
+#endif
+
+#define KERNEL_LOAD_ADDR     0x00004000
+#define CMDLINE_ADDR         0x007ff000
+#define INITRD_LOAD_ADDR     0x00800000
+#define PROM_SIZE_MAX        (1024 * 1024)
+#define PROM_VADDR           0xffd00000
+#define PROM_FILENAME        "openbios-sparc32"
+#define CFG_ADDR             0xd00000510ULL
+#define FW_CFG_SUN4M_DEPTH   (FW_CFG_ARCH_LOCAL + 0x00)
+
+// Control plane, 8-bit and 24-bit planes
+#define TCX_SIZE             (9 * 1024 * 1024)
+
+#define MAX_CPUS 16
+#define MAX_PILS 16
+
+struct sun4m_hwdef {
+    target_phys_addr_t iommu_base, slavio_base;
+    target_phys_addr_t intctl_base, counter_base, nvram_base, ms_kb_base;
+    target_phys_addr_t serial_base, fd_base;
+    target_phys_addr_t idreg_base, dma_base, esp_base, le_base;
+    target_phys_addr_t tcx_base, cs_base, apc_base, aux1_base, aux2_base;
+    target_phys_addr_t ecc_base;
+    uint32_t ecc_version;
+    long vram_size, nvram_size;
+    // IRQ numbers are not PIL ones, but master interrupt controller
+    // register bit numbers
+    int esp_irq, le_irq, clock_irq, clock1_irq;
+    int ser_irq, ms_kb_irq, fd_irq, me_irq, cs_irq, ecc_irq;
+    uint8_t nvram_machine_id;
+    uint16_t machine_id;
+    uint32_t iommu_version;
+    uint32_t intbit_to_level[32];
+    uint64_t max_mem;
+    const char * const default_cpu_model;
+};
+
+#define MAX_IOUNITS 5
+
+struct sun4d_hwdef {
+    target_phys_addr_t iounit_bases[MAX_IOUNITS], slavio_base;
+    target_phys_addr_t counter_base, nvram_base, ms_kb_base;
+    target_phys_addr_t serial_base;
+    target_phys_addr_t espdma_base, esp_base;
+    target_phys_addr_t ledma_base, le_base;
+    target_phys_addr_t tcx_base;
+    target_phys_addr_t sbi_base;
+    unsigned long vram_size, nvram_size;
+    // IRQ numbers are not PIL ones, but SBI register bit numbers
+    int esp_irq, le_irq, clock_irq, clock1_irq;
+    int ser_irq, ms_kb_irq, me_irq;
+    uint8_t nvram_machine_id;
+    uint16_t machine_id;
+    uint32_t iounit_version;
+    uint64_t max_mem;
+    const char * const default_cpu_model;
+};
+
+struct sun4c_hwdef {
+    target_phys_addr_t iommu_base, slavio_base;
+    target_phys_addr_t intctl_base, counter_base, nvram_base, ms_kb_base;
+    target_phys_addr_t serial_base, fd_base;
+    target_phys_addr_t idreg_base, dma_base, esp_base, le_base;
+    target_phys_addr_t tcx_base, aux1_base;
+    long vram_size, nvram_size;
+    // IRQ numbers are not PIL ones, but master interrupt controller
+    // register bit numbers
+    int esp_irq, le_irq, clock_irq, clock1_irq;
+    int ser_irq, ms_kb_irq, fd_irq, me_irq;
+    uint8_t nvram_machine_id;
+    uint16_t machine_id;
+    uint32_t iommu_version;
+    uint32_t intbit_to_level[32];
+    uint64_t max_mem;
+    const char * const default_cpu_model;
+};
+
+int DMA_get_channel_mode (int nchan)
+{
+    return 0;
+}
+int DMA_read_memory (int nchan, void *buf, int pos, int size)
+{
+    return 0;
+}
+int DMA_write_memory (int nchan, void *buf, int pos, int size)
+{
+    return 0;
+}
+void DMA_hold_DREQ (int nchan) {}
+void DMA_release_DREQ (int nchan) {}
+void DMA_schedule(int nchan) {}
+void DMA_init (int high_page_enable) {}
+void DMA_register_channel (int nchan,
+                           DMA_transfer_handler transfer_handler,
+                           void *opaque)
+{
+}
+
+static int nvram_boot_set(void *opaque, const char *boot_device)
+{
+    unsigned int i;
+    uint8_t image[sizeof(ohwcfg_v3_t)];
+    ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
+    m48t59_t *nvram = (m48t59_t *)opaque;
+
+    for (i = 0; i < sizeof(image); i++)
+        image[i] = m48t59_read(nvram, i) & 0xff;
+
+    pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
+            boot_device);
+    header->nboot_devices = strlen(boot_device) & 0xff;
+    header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
+
+    for (i = 0; i < sizeof(image); i++)
+        m48t59_write(nvram, i, image[i]);
+
+    return 0;
+}
+
+static void nvram_init(m48t59_t *nvram, uint8_t *macaddr, const char *cmdline,
+                       const char *boot_devices, ram_addr_t RAM_size,
+                       uint32_t kernel_size,
+                       int width, int height, int depth,
+                       int nvram_machine_id, const char *arch)
+{
+    unsigned int i;
+    uint32_t start, end;
+    uint8_t image[0x1ff0];
+    ohwcfg_v3_t *header = (ohwcfg_v3_t *)&image;
+    struct sparc_arch_cfg *sparc_header;
+    struct OpenBIOS_nvpart_v1 *part_header;
+
+    memset(image, '\0', sizeof(image));
+
+    // Try to match PPC NVRAM
+    pstrcpy((char *)header->struct_ident, sizeof(header->struct_ident),
+            "QEMU_BIOS");
+    header->struct_version = cpu_to_be32(3); /* structure v3 */
+
+    header->nvram_size = cpu_to_be16(0x2000);
+    header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
+    header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
+    pstrcpy((char *)header->arch, sizeof(header->arch), arch);
+    header->nb_cpus = smp_cpus & 0xff;
+    header->RAM0_base = 0;
+    header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
+    pstrcpy((char *)header->boot_devices, sizeof(header->boot_devices),
+            boot_devices);
+    header->nboot_devices = strlen(boot_devices) & 0xff;
+    header->kernel_image = cpu_to_be64((uint64_t)KERNEL_LOAD_ADDR);
+    header->kernel_size = cpu_to_be64((uint64_t)kernel_size);
+    if (cmdline) {
+        pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, cmdline);
+        header->cmdline = cpu_to_be64((uint64_t)CMDLINE_ADDR);
+        header->cmdline_size = cpu_to_be64((uint64_t)strlen(cmdline));
+    }
+    // XXX add initrd_image, initrd_size
+    header->width = cpu_to_be16(width);
+    header->height = cpu_to_be16(height);
+    header->depth = cpu_to_be16(depth);
+    if (nographic)
+        header->graphic_flags = cpu_to_be16(OHW_GF_NOGRAPHICS);
+
+    header->crc = cpu_to_be16(OHW_compute_crc(header, 0x00, 0xF8));
+
+    // Architecture specific header
+    start = sizeof(ohwcfg_v3_t);
+    sparc_header = (struct sparc_arch_cfg *)&image[start];
+    sparc_header->valid = 0;
+    start += sizeof(struct sparc_arch_cfg);
+
+    // OpenBIOS nvram variables
+    // Variable partition
+    part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
+    part_header->signature = OPENBIOS_PART_SYSTEM;
+    pstrcpy(part_header->name, sizeof(part_header->name), "system");
+
+    end = start + sizeof(struct OpenBIOS_nvpart_v1);
+    for (i = 0; i < nb_prom_envs; i++)
+        end = OpenBIOS_set_var(image, end, prom_envs[i]);
+
+    // End marker
+    image[end++] = '\0';
+
+    end = start + ((end - start + 15) & ~15);
+    OpenBIOS_finish_partition(part_header, end - start);
+
+    // free partition
+    start = end;
+    part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
+    part_header->signature = OPENBIOS_PART_FREE;
+    pstrcpy(part_header->name, sizeof(part_header->name), "free");
+
+    end = 0x1fd0;
+    OpenBIOS_finish_partition(part_header, end - start);
+
+    Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr,
+                    nvram_machine_id);
+
+    for (i = 0; i < sizeof(image); i++)
+        m48t59_write(nvram, i, image[i]);
+
+    qemu_register_boot_set(nvram_boot_set, nvram);
+}
+
+static void *slavio_intctl;
+
+void pic_info(void)
+{
+    if (slavio_intctl)
+        slavio_pic_info(slavio_intctl);
+}
+
+void irq_info(void)
+{
+    if (slavio_intctl)
+        slavio_irq_info(slavio_intctl);
+}
+
+void cpu_check_irqs(CPUState *env)
+{
+    if (env->pil_in && (env->interrupt_index == 0 ||
+                        (env->interrupt_index & ~15) == TT_EXTINT)) {
+        unsigned int i;
+
+        for (i = 15; i > 0; i--) {
+            if (env->pil_in & (1 << i)) {
+                int old_interrupt = env->interrupt_index;
+
+                env->interrupt_index = TT_EXTINT | i;
+                if (old_interrupt != env->interrupt_index) {
+                    DPRINTF("Set CPU IRQ %d\n", i);
+                    cpu_interrupt(env, CPU_INTERRUPT_HARD);
+                }
+                break;
+            }
+        }
+    } else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) {
+        DPRINTF("Reset CPU IRQ %d\n", env->interrupt_index & 15);
+        env->interrupt_index = 0;
+        cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
+    }
+}
+
+static void cpu_set_irq(void *opaque, int irq, int level)
+{
+    CPUState *env = opaque;
+
+    if (level) {
+        DPRINTF("Raise CPU IRQ %d\n", irq);
+        env->halted = 0;
+        env->pil_in |= 1 << irq;
+        cpu_check_irqs(env);
+    } else {
+        DPRINTF("Lower CPU IRQ %d\n", irq);
+        env->pil_in &= ~(1 << irq);
+        cpu_check_irqs(env);
+    }
+}
+
+static void dummy_cpu_set_irq(void *opaque, int irq, int level)
+{
+}
+
+static void *slavio_misc;
+
+void qemu_system_powerdown(void)
+{
+    slavio_set_power_fail(slavio_misc, 1);
+}
+
+static void main_cpu_reset(void *opaque)
+{
+    CPUState *env = opaque;
+
+    cpu_reset(env);
+    env->halted = 0;
+}
+
+static void secondary_cpu_reset(void *opaque)
+{
+    CPUState *env = opaque;
+
+    cpu_reset(env);
+    env->halted = 1;
+}
+
+static void cpu_halt_signal(void *opaque, int irq, int level)
+{
+    if (level && cpu_single_env)
+        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
+}
+
+static unsigned long sun4m_load_kernel(const char *kernel_filename,
+                                       const char *initrd_filename,
+                                       ram_addr_t RAM_size)
+{
+    int linux_boot;
+    unsigned int i;
+    long initrd_size, kernel_size;
+
+    linux_boot = (kernel_filename != NULL);
+
+    kernel_size = 0;
+    if (linux_boot) {
+        kernel_size = load_elf(kernel_filename, -0xf0000000ULL, NULL, NULL,
+                               NULL);
+        if (kernel_size < 0)
+            kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
+                                    RAM_size - KERNEL_LOAD_ADDR);
+        if (kernel_size < 0)
+            kernel_size = load_image_targphys(kernel_filename,
+                                              KERNEL_LOAD_ADDR,
+                                              RAM_size - KERNEL_LOAD_ADDR);
+        if (kernel_size < 0) {
+            fprintf(stderr, "qemu: could not load kernel '%s'\n",
+                    kernel_filename);
+            exit(1);
+        }
+
+        /* load initrd */
+        initrd_size = 0;
+        if (initrd_filename) {
+            initrd_size = load_image_targphys(initrd_filename,
+                                              INITRD_LOAD_ADDR,
+                                              RAM_size - INITRD_LOAD_ADDR);
+            if (initrd_size < 0) {
+                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
+                        initrd_filename);
+                exit(1);
+            }
+        }
+        if (initrd_size > 0) {
+            for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
+                if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
+                    stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
+                    stl_phys(KERNEL_LOAD_ADDR + i + 20, initrd_size);
+                    break;
+                }
+            }
+        }
+    }
+    return kernel_size;
+}
+
+static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, ram_addr_t RAM_size,
+                          const char *boot_device,
+                          DisplayState *ds, const char *kernel_filename,
+                          const char *kernel_cmdline,
+                          const char *initrd_filename, const char *cpu_model)
+
+{
+    CPUState *env, *envs[MAX_CPUS];
+    unsigned int i;
+    void *iommu, *espdma, *ledma, *main_esp, *nvram;
+    qemu_irq *cpu_irqs[MAX_CPUS], *slavio_irq, *slavio_cpu_irq,
+        *espdma_irq, *ledma_irq;
+    qemu_irq *esp_reset, *le_reset;
+    qemu_irq *fdc_tc;
+    qemu_irq *cpu_halt;
+    ram_addr_t ram_offset, prom_offset, tcx_offset, idreg_offset;
+    unsigned long kernel_size;
+    int ret;
+    char buf[1024];
+    BlockDriverState *fd[MAX_FD];
+    int drive_index;
+    void *fw_cfg;
+
+    /* init CPUs */
+    if (!cpu_model)
+        cpu_model = hwdef->default_cpu_model;
+
+    for(i = 0; i < smp_cpus; i++) {
+        env = cpu_init(cpu_model);
+        if (!env) {
+            fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
+            exit(1);
+        }
+        cpu_sparc_set_id(env, i);
+        envs[i] = env;
+        if (i == 0) {
+            qemu_register_reset(main_cpu_reset, env);
+        } else {
+            qemu_register_reset(secondary_cpu_reset, env);
+            env->halted = 1;
+        }
+        cpu_irqs[i] = qemu_allocate_irqs(cpu_set_irq, envs[i], MAX_PILS);
+        env->prom_addr = hwdef->slavio_base;
+    }
+
+    for (i = smp_cpus; i < MAX_CPUS; i++)
+        cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
+
+
+    /* allocate RAM */
+    if ((uint64_t)RAM_size > hwdef->max_mem) {
+        fprintf(stderr,
+                "qemu: Too much memory for this machine: %d, maximum %d\n",
+                (unsigned int)(RAM_size / (1024 * 1024)),
+                (unsigned int)(hwdef->max_mem / (1024 * 1024)));
+        exit(1);
+    }
+    ram_offset = qemu_ram_alloc(RAM_size);
+    cpu_register_physical_memory(0, RAM_size, ram_offset);
+
+    /* load boot prom */
+    prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
+    cpu_register_physical_memory(hwdef->slavio_base,
+                                 (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) &
+                                 TARGET_PAGE_MASK,
+                                 prom_offset | IO_MEM_ROM);
+
+    if (bios_name == NULL)
+        bios_name = PROM_FILENAME;
+    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+    ret = load_elf(buf, hwdef->slavio_base - PROM_VADDR, NULL, NULL, NULL);
+    if (ret < 0 || ret > PROM_SIZE_MAX)
+        ret = load_image_targphys(buf, hwdef->slavio_base, PROM_SIZE_MAX);
+    if (ret < 0 || ret > PROM_SIZE_MAX) {
+        fprintf(stderr, "qemu: could not load prom '%s'\n",
+                buf);
+        exit(1);
+    }
+
+    /* set up devices */
+    slavio_intctl = slavio_intctl_init(hwdef->intctl_base,
+                                       hwdef->intctl_base + 0x10000ULL,
+                                       &hwdef->intbit_to_level[0],
+                                       &slavio_irq, &slavio_cpu_irq,
+                                       cpu_irqs,
+                                       hwdef->clock_irq);
+
+    if (hwdef->idreg_base != (target_phys_addr_t)-1) {
+        static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 };
+
+        idreg_offset = qemu_ram_alloc(sizeof(idreg_data));
+        cpu_register_physical_memory(hwdef->idreg_base, sizeof(idreg_data),
+                                     idreg_offset | IO_MEM_ROM);
+        cpu_physical_memory_write_rom(hwdef->idreg_base, idreg_data,
+                                      sizeof(idreg_data));
+    }
+
+    iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version,
+                       slavio_irq[hwdef->me_irq]);
+
+    espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[hwdef->esp_irq],
+                              iommu, &espdma_irq, &esp_reset);
+
+    ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
+                             slavio_irq[hwdef->le_irq], iommu, &ledma_irq,
+                             &le_reset);
+
+    if (graphic_depth != 8 && graphic_depth != 24) {
+        fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
+        exit (1);
+    }
+    tcx_offset = qemu_ram_alloc(hwdef->vram_size);
+    tcx_init(ds, hwdef->tcx_base, phys_ram_base + tcx_offset, tcx_offset,
+             hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
+
+    if (nd_table[0].model == NULL
+        || strcmp(nd_table[0].model, "lance") == 0) {
+        lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
+    } else if (strcmp(nd_table[0].model, "?") == 0) {
+        fprintf(stderr, "qemu: Supported NICs: lance\n");
+        exit (1);
+    } else {
+        fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
+        exit (1);
+    }
+
+    nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0,
+                        hwdef->nvram_size, 8);
+
+    slavio_timer_init_all(hwdef->counter_base, slavio_irq[hwdef->clock1_irq],
+                          slavio_cpu_irq, smp_cpus);
+
+    slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq],
+                              nographic);
+    // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
+    // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
+    slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
+                       serial_hds[1], serial_hds[0]);
+
+    cpu_halt = qemu_allocate_irqs(cpu_halt_signal, NULL, 1);
+    slavio_misc = slavio_misc_init(hwdef->slavio_base, hwdef->apc_base,
+                                   hwdef->aux1_base, hwdef->aux2_base,
+                                   slavio_irq[hwdef->me_irq], cpu_halt[0],
+                                   &fdc_tc);
+
+    if (hwdef->fd_base != (target_phys_addr_t)-1) {
+        /* there is zero or one floppy drive */
+        memset(fd, 0, sizeof(fd));
+        drive_index = drive_get_index(IF_FLOPPY, 0, 0);
+        if (drive_index != -1)
+            fd[0] = drives_table[drive_index].bdrv;
+
+        sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd,
+                          fdc_tc);
+    }
+
+    if (drive_get_max_bus(IF_SCSI) > 0) {
+        fprintf(stderr, "qemu: too many SCSI bus\n");
+        exit(1);
+    }
+
+    main_esp = esp_init(hwdef->esp_base, 2,
+                        espdma_memory_read, espdma_memory_write,
+                        espdma, *espdma_irq, esp_reset);
+
+    for (i = 0; i < ESP_MAX_DEVS; i++) {
+        drive_index = drive_get_index(IF_SCSI, 0, i);
+        if (drive_index == -1)
+            continue;
+        esp_scsi_attach(main_esp, drives_table[drive_index].bdrv, i);
+    }
+
+    if (hwdef->cs_base != (target_phys_addr_t)-1)
+        cs_init(hwdef->cs_base, hwdef->cs_irq, slavio_intctl);
+
+    kernel_size = sun4m_load_kernel(kernel_filename, initrd_filename,
+                                    RAM_size);
+
+    nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
+               boot_device, RAM_size, kernel_size, graphic_width,
+               graphic_height, graphic_depth, hwdef->nvram_machine_id,
+               "Sun4m");
+
+    if (hwdef->ecc_base != (target_phys_addr_t)-1)
+        ecc_init(hwdef->ecc_base, slavio_irq[hwdef->ecc_irq],
+                 hwdef->ecc_version);
+
+    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, hwdef->machine_id);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_DEPTH, graphic_depth);
+}
+
+enum {
+    ss2_id = 0,
+    ss5_id = 32,
+    vger_id,
+    lx_id,
+    ss4_id,
+    scls_id,
+    sbook_id,
+    ss10_id = 64,
+    ss20_id,
+    ss600mp_id,
+    ss1000_id = 96,
+    ss2000_id,
+};
+
+static const struct sun4m_hwdef sun4m_hwdefs[] = {
+    /* SS-5 */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .cs_base      = 0x6c000000,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .ecc_base     = -1,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = 5,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss5_id,
+        .iommu_version = 0x05000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Fujitsu MB86904",
+    },
+    /* SS-10 */
+    {
+        .iommu_base   = 0xfe0000000ULL,
+        .tcx_base     = 0xe20000000ULL,
+        .cs_base      = -1,
+        .slavio_base  = 0xff0000000ULL,
+        .ms_kb_base   = 0xff1000000ULL,
+        .serial_base  = 0xff1100000ULL,
+        .nvram_base   = 0xff1200000ULL,
+        .fd_base      = 0xff1700000ULL,
+        .counter_base = 0xff1300000ULL,
+        .intctl_base  = 0xff1400000ULL,
+        .idreg_base   = 0xef0000000ULL,
+        .dma_base     = 0xef0400000ULL,
+        .esp_base     = 0xef0800000ULL,
+        .le_base      = 0xef0c00000ULL,
+        .apc_base     = 0xefa000000ULL, // XXX should not exist
+        .aux1_base    = 0xff1800000ULL,
+        .aux2_base    = 0xff1a01000ULL,
+        .ecc_base     = 0xf00000000ULL,
+        .ecc_version  = 0x10000000, // version 0, implementation 1
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = -1,
+        .ecc_irq = 28,
+        .nvram_machine_id = 0x72,
+        .machine_id = ss10_id,
+        .iommu_version = 0x03000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* SS-600MP */
+    {
+        .iommu_base   = 0xfe0000000ULL,
+        .tcx_base     = 0xe20000000ULL,
+        .cs_base      = -1,
+        .slavio_base  = 0xff0000000ULL,
+        .ms_kb_base   = 0xff1000000ULL,
+        .serial_base  = 0xff1100000ULL,
+        .nvram_base   = 0xff1200000ULL,
+        .fd_base      = -1,
+        .counter_base = 0xff1300000ULL,
+        .intctl_base  = 0xff1400000ULL,
+        .idreg_base   = -1,
+        .dma_base     = 0xef0081000ULL,
+        .esp_base     = 0xef0080000ULL,
+        .le_base      = 0xef0060000ULL,
+        .apc_base     = 0xefa000000ULL, // XXX should not exist
+        .aux1_base    = 0xff1800000ULL,
+        .aux2_base    = 0xff1a01000ULL, // XXX should not exist
+        .ecc_base     = 0xf00000000ULL,
+        .ecc_version  = 0x00000000, // version 0, implementation 0
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = -1,
+        .ecc_irq = 28,
+        .nvram_machine_id = 0x71,
+        .machine_id = ss600mp_id,
+        .iommu_version = 0x01000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* SS-20 */
+    {
+        .iommu_base   = 0xfe0000000ULL,
+        .tcx_base     = 0xe20000000ULL,
+        .cs_base      = -1,
+        .slavio_base  = 0xff0000000ULL,
+        .ms_kb_base   = 0xff1000000ULL,
+        .serial_base  = 0xff1100000ULL,
+        .nvram_base   = 0xff1200000ULL,
+        .fd_base      = 0xff1700000ULL,
+        .counter_base = 0xff1300000ULL,
+        .intctl_base  = 0xff1400000ULL,
+        .idreg_base   = 0xef0000000ULL,
+        .dma_base     = 0xef0400000ULL,
+        .esp_base     = 0xef0800000ULL,
+        .le_base      = 0xef0c00000ULL,
+        .apc_base     = 0xefa000000ULL, // XXX should not exist
+        .aux1_base    = 0xff1800000ULL,
+        .aux2_base    = 0xff1a01000ULL,
+        .ecc_base     = 0xf00000000ULL,
+        .ecc_version  = 0x20000000, // version 0, implementation 2
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = -1,
+        .ecc_irq = 28,
+        .nvram_machine_id = 0x72,
+        .machine_id = ss20_id,
+        .iommu_version = 0x13000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* Voyager */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .cs_base      = -1,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x71300000, // pmc
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .ecc_base     = -1,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = -1,
+        .nvram_machine_id = 0x80,
+        .machine_id = vger_id,
+        .iommu_version = 0x05000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Fujitsu MB86904",
+    },
+    /* LX */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .cs_base      = -1,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = -1,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .ecc_base     = -1,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = -1,
+        .nvram_machine_id = 0x80,
+        .machine_id = lx_id,
+        .iommu_version = 0x04000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0x10000000,
+        .default_cpu_model = "TI MicroSparc I",
+    },
+    /* SS-4 */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .cs_base      = 0x6c000000,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .ecc_base     = -1,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = 5,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss4_id,
+        .iommu_version = 0x05000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Fujitsu MB86904",
+    },
+    /* SPARCClassic */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .cs_base      = -1,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .ecc_base     = -1,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = -1,
+        .nvram_machine_id = 0x80,
+        .machine_id = scls_id,
+        .iommu_version = 0x05000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0x10000000,
+        .default_cpu_model = "TI MicroSparc I",
+    },
+    /* SPARCbook */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000, // XXX
+        .cs_base      = -1,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .ecc_base     = -1,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 18,
+        .le_irq = 16,
+        .clock_irq = 7,
+        .clock1_irq = 19,
+        .ms_kb_irq = 14,
+        .ser_irq = 15,
+        .fd_irq = 22,
+        .me_irq = 30,
+        .cs_irq = -1,
+        .nvram_machine_id = 0x80,
+        .machine_id = sbook_id,
+        .iommu_version = 0x05000000,
+        .intbit_to_level = {
+            2, 3, 5, 7, 9, 11, 0, 14,   3, 5, 7, 9, 11, 13, 12, 12,
+            6, 0, 4, 10, 8, 0, 11, 0,   0, 0, 0, 0, 15, 0, 15, 0,
+        },
+        .max_mem = 0x10000000,
+        .default_cpu_model = "TI MicroSparc I",
+    },
+};
+
+/* SPARCstation 5 hardware initialisation */
+static void ss5_init(ram_addr_t RAM_size, int vga_ram_size,
+                     const char *boot_device, DisplayState *ds,
+                     const char *kernel_filename, const char *kernel_cmdline,
+                     const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[0], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 10 hardware initialisation */
+static void ss10_init(ram_addr_t RAM_size, int vga_ram_size,
+                      const char *boot_device, DisplayState *ds,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[1], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCserver 600MP hardware initialisation */
+static void ss600mp_init(ram_addr_t RAM_size, int vga_ram_size,
+                         const char *boot_device, DisplayState *ds,
+                         const char *kernel_filename,
+                         const char *kernel_cmdline,
+                         const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[2], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 20 hardware initialisation */
+static void ss20_init(ram_addr_t RAM_size, int vga_ram_size,
+                      const char *boot_device, DisplayState *ds,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[3], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation Voyager hardware initialisation */
+static void vger_init(ram_addr_t RAM_size, int vga_ram_size,
+                      const char *boot_device, DisplayState *ds,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[4], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation LX hardware initialisation */
+static void ss_lx_init(ram_addr_t RAM_size, int vga_ram_size,
+                       const char *boot_device, DisplayState *ds,
+                       const char *kernel_filename, const char *kernel_cmdline,
+                       const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[5], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 4 hardware initialisation */
+static void ss4_init(ram_addr_t RAM_size, int vga_ram_size,
+                     const char *boot_device, DisplayState *ds,
+                     const char *kernel_filename, const char *kernel_cmdline,
+                     const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[6], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCClassic hardware initialisation */
+static void scls_init(ram_addr_t RAM_size, int vga_ram_size,
+                      const char *boot_device, DisplayState *ds,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[7], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCbook hardware initialisation */
+static void sbook_init(ram_addr_t RAM_size, int vga_ram_size,
+                       const char *boot_device, DisplayState *ds,
+                       const char *kernel_filename, const char *kernel_cmdline,
+                       const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[8], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+QEMUMachine ss5_machine = {
+    .name = "SS-5",
+    .desc = "Sun4m platform, SPARCstation 5",
+    .init = ss5_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+};
+
+QEMUMachine ss10_machine = {
+    .name = "SS-10",
+    .desc = "Sun4m platform, SPARCstation 10",
+    .init = ss10_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+    .max_cpus = 4,
+};
+
+QEMUMachine ss600mp_machine = {
+    .name = "SS-600MP",
+    .desc = "Sun4m platform, SPARCserver 600MP",
+    .init = ss600mp_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+    .max_cpus = 4,
+};
+
+QEMUMachine ss20_machine = {
+    .name = "SS-20",
+    .desc = "Sun4m platform, SPARCstation 20",
+    .init = ss20_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+    .max_cpus = 4,
+};
+
+QEMUMachine voyager_machine = {
+    .name = "Voyager",
+    .desc = "Sun4m platform, SPARCstation Voyager",
+    .init = vger_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+};
+
+QEMUMachine ss_lx_machine = {
+    .name = "LX",
+    .desc = "Sun4m platform, SPARCstation LX",
+    .init = ss_lx_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+};
+
+QEMUMachine ss4_machine = {
+    .name = "SS-4",
+    .desc = "Sun4m platform, SPARCstation 4",
+    .init = ss4_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+};
+
+QEMUMachine scls_machine = {
+    .name = "SPARCClassic",
+    .desc = "Sun4m platform, SPARCClassic",
+    .init = scls_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+};
+
+QEMUMachine sbook_machine = {
+    .name = "SPARCbook",
+    .desc = "Sun4m platform, SPARCbook",
+    .init = sbook_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+};
+
+static const struct sun4d_hwdef sun4d_hwdefs[] = {
+    /* SS-1000 */
+    {
+        .iounit_bases   = {
+            0xfe0200000ULL,
+            0xfe1200000ULL,
+            0xfe2200000ULL,
+            0xfe3200000ULL,
+            -1,
+        },
+        .tcx_base     = 0x820000000ULL,
+        .slavio_base  = 0xf00000000ULL,
+        .ms_kb_base   = 0xf00240000ULL,
+        .serial_base  = 0xf00200000ULL,
+        .nvram_base   = 0xf00280000ULL,
+        .counter_base = 0xf00300000ULL,
+        .espdma_base  = 0x800081000ULL,
+        .esp_base     = 0x800080000ULL,
+        .ledma_base   = 0x800040000ULL,
+        .le_base      = 0x800060000ULL,
+        .sbi_base     = 0xf02800000ULL,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 3,
+        .le_irq = 4,
+        .clock_irq = 14,
+        .clock1_irq = 10,
+        .ms_kb_irq = 12,
+        .ser_irq = 12,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss1000_id,
+        .iounit_version = 0x03000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* SS-2000 */
+    {
+        .iounit_bases   = {
+            0xfe0200000ULL,
+            0xfe1200000ULL,
+            0xfe2200000ULL,
+            0xfe3200000ULL,
+            0xfe4200000ULL,
+        },
+        .tcx_base     = 0x820000000ULL,
+        .slavio_base  = 0xf00000000ULL,
+        .ms_kb_base   = 0xf00240000ULL,
+        .serial_base  = 0xf00200000ULL,
+        .nvram_base   = 0xf00280000ULL,
+        .counter_base = 0xf00300000ULL,
+        .espdma_base  = 0x800081000ULL,
+        .esp_base     = 0x800080000ULL,
+        .ledma_base   = 0x800040000ULL,
+        .le_base      = 0x800060000ULL,
+        .sbi_base     = 0xf02800000ULL,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x2000,
+        .esp_irq = 3,
+        .le_irq = 4,
+        .clock_irq = 14,
+        .clock1_irq = 10,
+        .ms_kb_irq = 12,
+        .ser_irq = 12,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss2000_id,
+        .iounit_version = 0x03000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+};
+
+static void sun4d_hw_init(const struct sun4d_hwdef *hwdef, ram_addr_t RAM_size,
+                          const char *boot_device,
+                          DisplayState *ds, const char *kernel_filename,
+                          const char *kernel_cmdline,
+                          const char *initrd_filename, const char *cpu_model)
+{
+    CPUState *env, *envs[MAX_CPUS];
+    unsigned int i;
+    void *iounits[MAX_IOUNITS], *espdma, *ledma, *main_esp, *nvram, *sbi;
+    qemu_irq *cpu_irqs[MAX_CPUS], *sbi_irq, *sbi_cpu_irq,
+        *espdma_irq, *ledma_irq;
+    qemu_irq *esp_reset, *le_reset;
+    ram_addr_t ram_offset, prom_offset, tcx_offset;
+    unsigned long kernel_size;
+    int ret;
+    char buf[1024];
+    int drive_index;
+    void *fw_cfg;
+
+    /* init CPUs */
+    if (!cpu_model)
+        cpu_model = hwdef->default_cpu_model;
+
+    for (i = 0; i < smp_cpus; i++) {
+        env = cpu_init(cpu_model);
+        if (!env) {
+            fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
+            exit(1);
+        }
+        cpu_sparc_set_id(env, i);
+        envs[i] = env;
+        if (i == 0) {
+            qemu_register_reset(main_cpu_reset, env);
+        } else {
+            qemu_register_reset(secondary_cpu_reset, env);
+            env->halted = 1;
+        }
+        cpu_irqs[i] = qemu_allocate_irqs(cpu_set_irq, envs[i], MAX_PILS);
+        env->prom_addr = hwdef->slavio_base;
+    }
+
+    for (i = smp_cpus; i < MAX_CPUS; i++)
+        cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
+
+    /* allocate RAM */
+    if ((uint64_t)RAM_size > hwdef->max_mem) {
+        fprintf(stderr,
+                "qemu: Too much memory for this machine: %d, maximum %d\n",
+                (unsigned int)(RAM_size / (1024 * 1024)),
+                (unsigned int)(hwdef->max_mem / (1024 * 1024)));
+        exit(1);
+    }
+    ram_offset = qemu_ram_alloc(RAM_size);
+    cpu_register_physical_memory(0, RAM_size, ram_offset);
+
+    /* load boot prom */
+    prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
+    cpu_register_physical_memory(hwdef->slavio_base,
+                                 (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) &
+                                 TARGET_PAGE_MASK,
+                                 prom_offset | IO_MEM_ROM);
+
+    if (bios_name == NULL)
+        bios_name = PROM_FILENAME;
+    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+    ret = load_elf(buf, hwdef->slavio_base - PROM_VADDR, NULL, NULL, NULL);
+    if (ret < 0 || ret > PROM_SIZE_MAX)
+        ret = load_image_targphys(buf, hwdef->slavio_base, PROM_SIZE_MAX);
+    if (ret < 0 || ret > PROM_SIZE_MAX) {
+        fprintf(stderr, "qemu: could not load prom '%s'\n",
+                buf);
+        exit(1);
+    }
+
+    /* set up devices */
+    sbi = sbi_init(hwdef->sbi_base, &sbi_irq, &sbi_cpu_irq, cpu_irqs);
+
+    for (i = 0; i < MAX_IOUNITS; i++)
+        if (hwdef->iounit_bases[i] != (target_phys_addr_t)-1)
+            iounits[i] = iommu_init(hwdef->iounit_bases[i],
+                                    hwdef->iounit_version,
+                                    sbi_irq[hwdef->me_irq]);
+
+    espdma = sparc32_dma_init(hwdef->espdma_base, sbi_irq[hwdef->esp_irq],
+                              iounits[0], &espdma_irq, &esp_reset);
+
+    ledma = sparc32_dma_init(hwdef->ledma_base, sbi_irq[hwdef->le_irq],
+                             iounits[0], &ledma_irq, &le_reset);
+
+    if (graphic_depth != 8 && graphic_depth != 24) {
+        fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
+        exit (1);
+    }
+    tcx_offset = qemu_ram_alloc(hwdef->vram_size);
+    tcx_init(ds, hwdef->tcx_base, phys_ram_base + tcx_offset, tcx_offset,
+             hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
+
+    if (nd_table[0].model == NULL
+        || strcmp(nd_table[0].model, "lance") == 0) {
+        lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
+    } else if (strcmp(nd_table[0].model, "?") == 0) {
+        fprintf(stderr, "qemu: Supported NICs: lance\n");
+        exit (1);
+    } else {
+        fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
+        exit (1);
+    }
+
+    nvram = m48t59_init(sbi_irq[0], hwdef->nvram_base, 0,
+                        hwdef->nvram_size, 8);
+
+    slavio_timer_init_all(hwdef->counter_base, sbi_irq[hwdef->clock1_irq],
+                          sbi_cpu_irq, smp_cpus);
+
+    slavio_serial_ms_kbd_init(hwdef->ms_kb_base, sbi_irq[hwdef->ms_kb_irq],
+                              nographic);
+    // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
+    // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
+    slavio_serial_init(hwdef->serial_base, sbi_irq[hwdef->ser_irq],
+                       serial_hds[1], serial_hds[0]);
+
+    if (drive_get_max_bus(IF_SCSI) > 0) {
+        fprintf(stderr, "qemu: too many SCSI bus\n");
+        exit(1);
+    }
+
+    main_esp = esp_init(hwdef->esp_base, 2,
+                        espdma_memory_read, espdma_memory_write,
+                        espdma, *espdma_irq, esp_reset);
+
+    for (i = 0; i < ESP_MAX_DEVS; i++) {
+        drive_index = drive_get_index(IF_SCSI, 0, i);
+        if (drive_index == -1)
+            continue;
+        esp_scsi_attach(main_esp, drives_table[drive_index].bdrv, i);
+    }
+
+    kernel_size = sun4m_load_kernel(kernel_filename, initrd_filename,
+                                    RAM_size);
+
+    nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
+               boot_device, RAM_size, kernel_size, graphic_width,
+               graphic_height, graphic_depth, hwdef->nvram_machine_id,
+               "Sun4d");
+
+    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, hwdef->machine_id);
+}
+
+/* SPARCserver 1000 hardware initialisation */
+static void ss1000_init(ram_addr_t RAM_size, int vga_ram_size,
+                        const char *boot_device, DisplayState *ds,
+                        const char *kernel_filename, const char *kernel_cmdline,
+                        const char *initrd_filename, const char *cpu_model)
+{
+    sun4d_hw_init(&sun4d_hwdefs[0], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCcenter 2000 hardware initialisation */
+static void ss2000_init(ram_addr_t RAM_size, int vga_ram_size,
+                        const char *boot_device, DisplayState *ds,
+                        const char *kernel_filename, const char *kernel_cmdline,
+                        const char *initrd_filename, const char *cpu_model)
+{
+    sun4d_hw_init(&sun4d_hwdefs[1], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+QEMUMachine ss1000_machine = {
+    .name = "SS-1000",
+    .desc = "Sun4d platform, SPARCserver 1000",
+    .init = ss1000_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+    .max_cpus = 8,
+};
+
+QEMUMachine ss2000_machine = {
+    .name = "SS-2000",
+    .desc = "Sun4d platform, SPARCcenter 2000",
+    .init = ss2000_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+    .max_cpus = 20,
+};
+
+static const struct sun4c_hwdef sun4c_hwdefs[] = {
+    /* SS-2 */
+    {
+        .iommu_base   = 0xf8000000,
+        .tcx_base     = 0xfe000000,
+        .slavio_base  = 0xf6000000,
+        .intctl_base  = 0xf5000000,
+        .counter_base = 0xf3000000,
+        .ms_kb_base   = 0xf0000000,
+        .serial_base  = 0xf1000000,
+        .nvram_base   = 0xf2000000,
+        .fd_base      = 0xf7200000,
+        .dma_base     = 0xf8400000,
+        .esp_base     = 0xf8800000,
+        .le_base      = 0xf8c00000,
+        .aux1_base    = 0xf7400003,
+        .vram_size    = 0x00100000,
+        .nvram_size   = 0x800,
+        .esp_irq = 2,
+        .le_irq = 3,
+        .clock_irq = 5,
+        .clock1_irq = 7,
+        .ms_kb_irq = 1,
+        .ser_irq = 1,
+        .fd_irq = 1,
+        .me_irq = 1,
+        .nvram_machine_id = 0x55,
+        .machine_id = ss2_id,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Cypress CY7C601",
+    },
+};
+
+static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size,
+                          const char *boot_device,
+                          DisplayState *ds, const char *kernel_filename,
+                          const char *kernel_cmdline,
+                          const char *initrd_filename, const char *cpu_model)
+{
+    CPUState *env;
+    unsigned int i;
+    void *iommu, *espdma, *ledma, *main_esp, *nvram;
+    qemu_irq *cpu_irqs, *slavio_irq, *espdma_irq, *ledma_irq;
+    qemu_irq *esp_reset, *le_reset;
+    qemu_irq *fdc_tc;
+    ram_addr_t ram_offset, prom_offset, tcx_offset;
+    unsigned long kernel_size;
+    int ret;
+    char buf[1024];
+    BlockDriverState *fd[MAX_FD];
+    int drive_index;
+    void *fw_cfg;
+
+    /* init CPU */
+    if (!cpu_model)
+        cpu_model = hwdef->default_cpu_model;
+
+    env = cpu_init(cpu_model);
+    if (!env) {
+        fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
+        exit(1);
+    }
+
+    cpu_sparc_set_id(env, 0);
+
+    qemu_register_reset(main_cpu_reset, env);
+    cpu_irqs = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
+    env->prom_addr = hwdef->slavio_base;
+
+    /* allocate RAM */
+    if ((uint64_t)RAM_size > hwdef->max_mem) {
+        fprintf(stderr,
+                "qemu: Too much memory for this machine: %d, maximum %d\n",
+                (unsigned int)(RAM_size / (1024 * 1024)),
+                (unsigned int)(hwdef->max_mem / (1024 * 1024)));
+        exit(1);
+    }
+    ram_offset = qemu_ram_alloc(RAM_size);
+    cpu_register_physical_memory(0, RAM_size, ram_offset);
+
+    /* load boot prom */
+    prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
+    cpu_register_physical_memory(hwdef->slavio_base,
+                                 (PROM_SIZE_MAX + TARGET_PAGE_SIZE - 1) &
+                                 TARGET_PAGE_MASK,
+                                 prom_offset | IO_MEM_ROM);
+
+    if (bios_name == NULL)
+        bios_name = PROM_FILENAME;
+    snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
+    ret = load_elf(buf, hwdef->slavio_base - PROM_VADDR, NULL, NULL, NULL);
+    if (ret < 0 || ret > PROM_SIZE_MAX)
+        ret = load_image_targphys(buf, hwdef->slavio_base, PROM_SIZE_MAX);
+    if (ret < 0 || ret > PROM_SIZE_MAX) {
+        fprintf(stderr, "qemu: could not load prom '%s'\n",
+                buf);
+        exit(1);
+    }
+
+    /* set up devices */
+    slavio_intctl = sun4c_intctl_init(hwdef->intctl_base,
+                                      &slavio_irq, cpu_irqs);
+
+    iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version,
+                       slavio_irq[hwdef->me_irq]);
+
+    espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[hwdef->esp_irq],
+                              iommu, &espdma_irq, &esp_reset);
+
+    ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
+                             slavio_irq[hwdef->le_irq], iommu, &ledma_irq,
+                             &le_reset);
+
+    if (graphic_depth != 8 && graphic_depth != 24) {
+        fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
+        exit (1);
+    }
+    tcx_offset = qemu_ram_alloc(hwdef->vram_size);
+    tcx_init(ds, hwdef->tcx_base, phys_ram_base + tcx_offset, tcx_offset,
+             hwdef->vram_size, graphic_width, graphic_height, graphic_depth);
+
+    if (nd_table[0].model == NULL
+        || strcmp(nd_table[0].model, "lance") == 0) {
+        lance_init(&nd_table[0], hwdef->le_base, ledma, *ledma_irq, le_reset);
+    } else if (strcmp(nd_table[0].model, "?") == 0) {
+        fprintf(stderr, "qemu: Supported NICs: lance\n");
+        exit (1);
+    } else {
+        fprintf(stderr, "qemu: Unsupported NIC: %s\n", nd_table[0].model);
+        exit (1);
+    }
+
+    nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0,
+                        hwdef->nvram_size, 2);
+
+    slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[hwdef->ms_kb_irq],
+                              nographic);
+    // Slavio TTYA (base+4, Linux ttyS0) is the first Qemu serial device
+    // Slavio TTYB (base+0, Linux ttyS1) is the second Qemu serial device
+    slavio_serial_init(hwdef->serial_base, slavio_irq[hwdef->ser_irq],
+                       serial_hds[1], serial_hds[0]);
+
+    slavio_misc = slavio_misc_init(0, -1, hwdef->aux1_base, -1,
+                                   slavio_irq[hwdef->me_irq], NULL, &fdc_tc);
+
+    if (hwdef->fd_base != (target_phys_addr_t)-1) {
+        /* there is zero or one floppy drive */
+        memset(fd, 0, sizeof(fd));
+        drive_index = drive_get_index(IF_FLOPPY, 0, 0);
+        if (drive_index != -1)
+            fd[0] = drives_table[drive_index].bdrv;
+
+        sun4m_fdctrl_init(slavio_irq[hwdef->fd_irq], hwdef->fd_base, fd,
+                          fdc_tc);
+    }
+
+    if (drive_get_max_bus(IF_SCSI) > 0) {
+        fprintf(stderr, "qemu: too many SCSI bus\n");
+        exit(1);
+    }
+
+    main_esp = esp_init(hwdef->esp_base, 2,
+                        espdma_memory_read, espdma_memory_write,
+                        espdma, *espdma_irq, esp_reset);
+
+    for (i = 0; i < ESP_MAX_DEVS; i++) {
+        drive_index = drive_get_index(IF_SCSI, 0, i);
+        if (drive_index == -1)
+            continue;
+        esp_scsi_attach(main_esp, drives_table[drive_index].bdrv, i);
+    }
+
+    kernel_size = sun4m_load_kernel(kernel_filename, initrd_filename,
+                                    RAM_size);
+
+    nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
+               boot_device, RAM_size, kernel_size, graphic_width,
+               graphic_height, graphic_depth, hwdef->nvram_machine_id,
+               "Sun4c");
+
+    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, hwdef->machine_id);
+}
+
+/* SPARCstation 2 hardware initialisation */
+static void ss2_init(ram_addr_t RAM_size, int vga_ram_size,
+                     const char *boot_device, DisplayState *ds,
+                     const char *kernel_filename, const char *kernel_cmdline,
+                     const char *initrd_filename, const char *cpu_model)
+{
+    sun4c_hw_init(&sun4c_hwdefs[0], RAM_size, boot_device, ds, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+QEMUMachine ss2_machine = {
+    .name = "SS-2",
+    .desc = "Sun4c platform, SPARCstation 2",
+    .init = ss2_init,
+    .ram_require = PROM_SIZE_MAX + TCX_SIZE,
+    .nodisk_ok = 1,
+    .use_scsi = 1,
+};