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qemu / qemu / c0777fe18b08c3a6de0c53325d6b9b75ebb9de9a / . / hw / sparc / sun4m.c
blob: a0d366cbbce33844fbc76de05b00323fc302d66b [file] [log] [blame]
/*
* 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/sysbus.h"
#include "qemu/timer.h"
#include "hw/sparc/sun4m.h"
#include "hw/timer/m48t59.h"
#include "hw/sparc/sparc32_dma.h"
#include "hw/block/fdc.h"
#include "sysemu/sysemu.h"
#include "net/net.h"
#include "hw/boards.h"
#include "hw/nvram/openbios_firmware_abi.h"
#include "hw/scsi/esp.h"
#include "hw/i386/pc.h"
#include "hw/isa/isa.h"
#include "hw/nvram/fw_cfg.h"
#include "hw/char/escc.h"
#include "hw/empty_slot.h"
#include "hw/loader.h"
#include "elf.h"
#include "sysemu/blockdev.h"
#include "trace.h"
/*
* 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
*
* See for example: http://www.sunhelp.org/faq/sunref1.html
*/
#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)
#define FW_CFG_SUN4M_WIDTH (FW_CFG_ARCH_LOCAL + 0x01)
#define FW_CFG_SUN4M_HEIGHT (FW_CFG_ARCH_LOCAL + 0x02)
#define MAX_CPUS 16
#define MAX_PILS 16
#define MAX_VSIMMS 4
#define ESCC_CLOCK 4915200
struct sun4m_hwdef {
hwaddr iommu_base, iommu_pad_base, iommu_pad_len, slavio_base;
hwaddr intctl_base, counter_base, nvram_base, ms_kb_base;
hwaddr serial_base, fd_base;
hwaddr afx_base, idreg_base, dma_base, esp_base, le_base;
hwaddr tcx_base, cs_base, apc_base, aux1_base, aux2_base;
hwaddr bpp_base, dbri_base, sx_base;
struct {
hwaddr reg_base, vram_base;
} vsimm[MAX_VSIMMS];
hwaddr ecc_base;
uint64_t max_mem;
const char * const default_cpu_model;
uint32_t ecc_version;
uint32_t iommu_version;
uint16_t machine_id;
uint8_t nvram_machine_id;
};
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, qemu_irq *cpu_request_exit)
{
}
void DMA_register_channel (int nchan,
DMA_transfer_handler transfer_handler,
void *opaque)
{
}
static int fw_cfg_boot_set(void *opaque, const char *boot_device)
{
fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
return 0;
}
static void nvram_init(M48t59State *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];
struct OpenBIOS_nvpart_v1 *part_header;
memset(image, '\0', sizeof(image));
start = 0;
// 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]);
}
static DeviceState *slavio_intctl;
void sun4m_pic_info(Monitor *mon, const QDict *qdict)
{
if (slavio_intctl)
slavio_pic_info(mon, slavio_intctl);
}
void sun4m_irq_info(Monitor *mon, const QDict *qdict)
{
if (slavio_intctl)
slavio_irq_info(mon, slavio_intctl);
}
void cpu_check_irqs(CPUSPARCState *env)
{
CPUState *cs;
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) {
cs = CPU(sparc_env_get_cpu(env));
trace_sun4m_cpu_interrupt(i);
cpu_interrupt(cs, CPU_INTERRUPT_HARD);
}
break;
}
}
} else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) {
cs = CPU(sparc_env_get_cpu(env));
trace_sun4m_cpu_reset_interrupt(env->interrupt_index & 15);
env->interrupt_index = 0;
cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
}
}
static void cpu_kick_irq(SPARCCPU *cpu)
{
CPUSPARCState *env = &cpu->env;
CPUState *cs = CPU(cpu);
cs->halted = 0;
cpu_check_irqs(env);
qemu_cpu_kick(cs);
}
static void cpu_set_irq(void *opaque, int irq, int level)
{
SPARCCPU *cpu = opaque;
CPUSPARCState *env = &cpu->env;
if (level) {
trace_sun4m_cpu_set_irq_raise(irq);
env->pil_in |= 1 << irq;
cpu_kick_irq(cpu);
} else {
trace_sun4m_cpu_set_irq_lower(irq);
env->pil_in &= ~(1 << irq);
cpu_check_irqs(env);
}
}
static void dummy_cpu_set_irq(void *opaque, int irq, int level)
{
}
static void main_cpu_reset(void *opaque)
{
SPARCCPU *cpu = opaque;
CPUState *cs = CPU(cpu);
cpu_reset(cs);
cs->halted = 0;
}
static void secondary_cpu_reset(void *opaque)
{
SPARCCPU *cpu = opaque;
CPUState *cs = CPU(cpu);
cpu_reset(cs);
cs->halted = 1;
}
static void cpu_halt_signal(void *opaque, int irq, int level)
{
if (level && current_cpu) {
cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT);
}
}
static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
{
return addr - 0xf0000000ULL;
}
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;
uint8_t *ptr;
linux_boot = (kernel_filename != NULL);
kernel_size = 0;
if (linux_boot) {
int bswap_needed;
#ifdef BSWAP_NEEDED
bswap_needed = 1;
#else
bswap_needed = 0;
#endif
kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
NULL, NULL, NULL, 1, ELF_MACHINE, 0);
if (kernel_size < 0)
kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
TARGET_PAGE_SIZE);
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) {
ptr = rom_ptr(KERNEL_LOAD_ADDR + i);
if (ldl_p(ptr) == 0x48647253) { // HdrS
stl_p(ptr + 16, INITRD_LOAD_ADDR);
stl_p(ptr + 20, initrd_size);
break;
}
}
}
}
return kernel_size;
}
static void *iommu_init(hwaddr addr, uint32_t version, qemu_irq irq)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, "iommu");
qdev_prop_set_uint32(dev, "version", version);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, irq);
sysbus_mmio_map(s, 0, addr);
return s;
}
static void *sparc32_dma_init(hwaddr daddr, qemu_irq parent_irq,
void *iommu, qemu_irq *dev_irq, int is_ledma)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, "sparc32_dma");
qdev_prop_set_ptr(dev, "iommu_opaque", iommu);
qdev_prop_set_uint32(dev, "is_ledma", is_ledma);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, parent_irq);
*dev_irq = qdev_get_gpio_in(dev, 0);
sysbus_mmio_map(s, 0, daddr);
return s;
}
static void lance_init(NICInfo *nd, hwaddr leaddr,
void *dma_opaque, qemu_irq irq)
{
DeviceState *dev;
SysBusDevice *s;
qemu_irq reset;
qemu_check_nic_model(&nd_table[0], "lance");
dev = qdev_create(NULL, "lance");
qdev_set_nic_properties(dev, nd);
qdev_prop_set_ptr(dev, "dma", dma_opaque);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(s, 0, leaddr);
sysbus_connect_irq(s, 0, irq);
reset = qdev_get_gpio_in(dev, 0);
qdev_connect_gpio_out(dma_opaque, 0, reset);
}
static DeviceState *slavio_intctl_init(hwaddr addr,
hwaddr addrg,
qemu_irq **parent_irq)
{
DeviceState *dev;
SysBusDevice *s;
unsigned int i, j;
dev = qdev_create(NULL, "slavio_intctl");
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
for (i = 0; i < MAX_CPUS; i++) {
for (j = 0; j < MAX_PILS; j++) {
sysbus_connect_irq(s, i * MAX_PILS + j, parent_irq[i][j]);
}
}
sysbus_mmio_map(s, 0, addrg);
for (i = 0; i < MAX_CPUS; i++) {
sysbus_mmio_map(s, i + 1, addr + i * TARGET_PAGE_SIZE);
}
return dev;
}
#define SYS_TIMER_OFFSET 0x10000ULL
#define CPU_TIMER_OFFSET(cpu) (0x1000ULL * cpu)
static void slavio_timer_init_all(hwaddr addr, qemu_irq master_irq,
qemu_irq *cpu_irqs, unsigned int num_cpus)
{
DeviceState *dev;
SysBusDevice *s;
unsigned int i;
dev = qdev_create(NULL, "slavio_timer");
qdev_prop_set_uint32(dev, "num_cpus", num_cpus);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, master_irq);
sysbus_mmio_map(s, 0, addr + SYS_TIMER_OFFSET);
for (i = 0; i < MAX_CPUS; i++) {
sysbus_mmio_map(s, i + 1, addr + (hwaddr)CPU_TIMER_OFFSET(i));
sysbus_connect_irq(s, i + 1, cpu_irqs[i]);
}
}
static qemu_irq slavio_system_powerdown;
static void slavio_powerdown_req(Notifier *n, void *opaque)
{
qemu_irq_raise(slavio_system_powerdown);
}
static Notifier slavio_system_powerdown_notifier = {
.notify = slavio_powerdown_req
};
#define MISC_LEDS 0x01600000
#define MISC_CFG 0x01800000
#define MISC_DIAG 0x01a00000
#define MISC_MDM 0x01b00000
#define MISC_SYS 0x01f00000
static void slavio_misc_init(hwaddr base,
hwaddr aux1_base,
hwaddr aux2_base, qemu_irq irq,
qemu_irq fdc_tc)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, "slavio_misc");
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
if (base) {
/* 8 bit registers */
/* Slavio control */
sysbus_mmio_map(s, 0, base + MISC_CFG);
/* Diagnostics */
sysbus_mmio_map(s, 1, base + MISC_DIAG);
/* Modem control */
sysbus_mmio_map(s, 2, base + MISC_MDM);
/* 16 bit registers */
/* ss600mp diag LEDs */
sysbus_mmio_map(s, 3, base + MISC_LEDS);
/* 32 bit registers */
/* System control */
sysbus_mmio_map(s, 4, base + MISC_SYS);
}
if (aux1_base) {
/* AUX 1 (Misc System Functions) */
sysbus_mmio_map(s, 5, aux1_base);
}
if (aux2_base) {
/* AUX 2 (Software Powerdown Control) */
sysbus_mmio_map(s, 6, aux2_base);
}
sysbus_connect_irq(s, 0, irq);
sysbus_connect_irq(s, 1, fdc_tc);
slavio_system_powerdown = qdev_get_gpio_in(dev, 0);
qemu_register_powerdown_notifier(&slavio_system_powerdown_notifier);
}
static void ecc_init(hwaddr base, qemu_irq irq, uint32_t version)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, "eccmemctl");
qdev_prop_set_uint32(dev, "version", version);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, irq);
sysbus_mmio_map(s, 0, base);
if (version == 0) { // SS-600MP only
sysbus_mmio_map(s, 1, base + 0x1000);
}
}
static void apc_init(hwaddr power_base, qemu_irq cpu_halt)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, "apc");
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
/* Power management (APC) XXX: not a Slavio device */
sysbus_mmio_map(s, 0, power_base);
sysbus_connect_irq(s, 0, cpu_halt);
}
static void tcx_init(hwaddr addr, int vram_size, int width,
int height, int depth)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, "SUNW,tcx");
qdev_prop_set_uint32(dev, "vram_size", vram_size);
qdev_prop_set_uint16(dev, "width", width);
qdev_prop_set_uint16(dev, "height", height);
qdev_prop_set_uint16(dev, "depth", depth);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
/* 8-bit plane */
sysbus_mmio_map(s, 0, addr + 0x00800000ULL);
/* DAC */
sysbus_mmio_map(s, 1, addr + 0x00200000ULL);
/* TEC (dummy) */
sysbus_mmio_map(s, 2, addr + 0x00700000ULL);
/* THC 24 bit: NetBSD writes here even with 8-bit display: dummy */
sysbus_mmio_map(s, 3, addr + 0x00301000ULL);
if (depth == 24) {
/* 24-bit plane */
sysbus_mmio_map(s, 4, addr + 0x02000000ULL);
/* Control plane */
sysbus_mmio_map(s, 5, addr + 0x0a000000ULL);
} else {
/* THC 8 bit (dummy) */
sysbus_mmio_map(s, 4, addr + 0x00300000ULL);
}
}
/* NCR89C100/MACIO Internal ID register */
#define TYPE_MACIO_ID_REGISTER "macio_idreg"
static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 };
static void idreg_init(hwaddr addr)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, TYPE_MACIO_ID_REGISTER);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(s, 0, addr);
cpu_physical_memory_write_rom(addr, idreg_data, sizeof(idreg_data));
}
#define MACIO_ID_REGISTER(obj) \
OBJECT_CHECK(IDRegState, (obj), TYPE_MACIO_ID_REGISTER)
typedef struct IDRegState {
SysBusDevice parent_obj;
MemoryRegion mem;
} IDRegState;
static int idreg_init1(SysBusDevice *dev)
{
IDRegState *s = MACIO_ID_REGISTER(dev);
memory_region_init_ram(&s->mem, OBJECT(s),
"sun4m.idreg", sizeof(idreg_data));
vmstate_register_ram_global(&s->mem);
memory_region_set_readonly(&s->mem, true);
sysbus_init_mmio(dev, &s->mem);
return 0;
}
static void idreg_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = idreg_init1;
}
static const TypeInfo idreg_info = {
.name = TYPE_MACIO_ID_REGISTER,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(IDRegState),
.class_init = idreg_class_init,
};
#define TYPE_TCX_AFX "tcx_afx"
#define TCX_AFX(obj) OBJECT_CHECK(AFXState, (obj), TYPE_TCX_AFX)
typedef struct AFXState {
SysBusDevice parent_obj;
MemoryRegion mem;
} AFXState;
/* SS-5 TCX AFX register */
static void afx_init(hwaddr addr)
{
DeviceState *dev;
SysBusDevice *s;
dev = qdev_create(NULL, TYPE_TCX_AFX);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(s, 0, addr);
}
static int afx_init1(SysBusDevice *dev)
{
AFXState *s = TCX_AFX(dev);
memory_region_init_ram(&s->mem, OBJECT(s), "sun4m.afx", 4);
vmstate_register_ram_global(&s->mem);
sysbus_init_mmio(dev, &s->mem);
return 0;
}
static void afx_class_init(ObjectClass *klass, void *data)
{
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = afx_init1;
}
static const TypeInfo afx_info = {
.name = TYPE_TCX_AFX,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(AFXState),
.class_init = afx_class_init,
};
#define TYPE_OPENPROM "openprom"
#define OPENPROM(obj) OBJECT_CHECK(PROMState, (obj), TYPE_OPENPROM)
typedef struct PROMState {
SysBusDevice parent_obj;
MemoryRegion prom;
} PROMState;
/* Boot PROM (OpenBIOS) */
static uint64_t translate_prom_address(void *opaque, uint64_t addr)
{
hwaddr *base_addr = (hwaddr *)opaque;
return addr + *base_addr - PROM_VADDR;
}
static void prom_init(hwaddr addr, const char *bios_name)
{
DeviceState *dev;
SysBusDevice *s;
char *filename;
int ret;
dev = qdev_create(NULL, TYPE_OPENPROM);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_mmio_map(s, 0, addr);
/* load boot prom */
if (bios_name == NULL) {
bios_name = PROM_FILENAME;
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (filename) {
ret = load_elf(filename, translate_prom_address, &addr, NULL,
NULL, NULL, 1, ELF_MACHINE, 0);
if (ret < 0 || ret > PROM_SIZE_MAX) {
ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
}
g_free(filename);
} else {
ret = -1;
}
if (ret < 0 || ret > PROM_SIZE_MAX) {
fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
exit(1);
}
}
static int prom_init1(SysBusDevice *dev)
{
PROMState *s = OPENPROM(dev);
memory_region_init_ram(&s->prom, OBJECT(s), "sun4m.prom", PROM_SIZE_MAX);
vmstate_register_ram_global(&s->prom);
memory_region_set_readonly(&s->prom, true);
sysbus_init_mmio(dev, &s->prom);
return 0;
}
static Property prom_properties[] = {
{/* end of property list */},
};
static void prom_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = prom_init1;
dc->props = prom_properties;
}
static const TypeInfo prom_info = {
.name = TYPE_OPENPROM,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(PROMState),
.class_init = prom_class_init,
};
#define TYPE_SUN4M_MEMORY "memory"
#define SUN4M_RAM(obj) OBJECT_CHECK(RamDevice, (obj), TYPE_SUN4M_MEMORY)
typedef struct RamDevice {
SysBusDevice parent_obj;
MemoryRegion ram;
uint64_t size;
} RamDevice;
/* System RAM */
static int ram_init1(SysBusDevice *dev)
{
RamDevice *d = SUN4M_RAM(dev);
memory_region_init_ram(&d->ram, OBJECT(d), "sun4m.ram", d->size);
vmstate_register_ram_global(&d->ram);
sysbus_init_mmio(dev, &d->ram);
return 0;
}
static void ram_init(hwaddr addr, ram_addr_t RAM_size,
uint64_t max_mem)
{
DeviceState *dev;
SysBusDevice *s;
RamDevice *d;
/* allocate RAM */
if ((uint64_t)RAM_size > max_mem) {
fprintf(stderr,
"qemu: Too much memory for this machine: %d, maximum %d\n",
(unsigned int)(RAM_size / (1024 * 1024)),
(unsigned int)(max_mem / (1024 * 1024)));
exit(1);
}
dev = qdev_create(NULL, "memory");
s = SYS_BUS_DEVICE(dev);
d = SUN4M_RAM(dev);
d->size = RAM_size;
qdev_init_nofail(dev);
sysbus_mmio_map(s, 0, addr);
}
static Property ram_properties[] = {
DEFINE_PROP_UINT64("size", RamDevice, size, 0),
DEFINE_PROP_END_OF_LIST(),
};
static void ram_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = ram_init1;
dc->props = ram_properties;
}
static const TypeInfo ram_info = {
.name = TYPE_SUN4M_MEMORY,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(RamDevice),
.class_init = ram_class_init,
};
static void cpu_devinit(const char *cpu_model, unsigned int id,
uint64_t prom_addr, qemu_irq **cpu_irqs)
{
CPUState *cs;
SPARCCPU *cpu;
CPUSPARCState *env;
cpu = cpu_sparc_init(cpu_model);
if (cpu == NULL) {
fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
exit(1);
}
env = &cpu->env;
cpu_sparc_set_id(env, id);
if (id == 0) {
qemu_register_reset(main_cpu_reset, cpu);
} else {
qemu_register_reset(secondary_cpu_reset, cpu);
cs = CPU(cpu);
cs->halted = 1;
}
*cpu_irqs = qemu_allocate_irqs(cpu_set_irq, cpu, MAX_PILS);
env->prom_addr = prom_addr;
}
static void dummy_fdc_tc(void *opaque, int irq, int level)
{
}
static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
QEMUMachineInitArgs *args)
{
const char *cpu_model = args->cpu_model;
unsigned int i;
void *iommu, *espdma, *ledma, *nvram;
qemu_irq *cpu_irqs[MAX_CPUS], slavio_irq[32], slavio_cpu_irq[MAX_CPUS],
espdma_irq, ledma_irq;
qemu_irq esp_reset, dma_enable;
qemu_irq fdc_tc;
qemu_irq *cpu_halt;
unsigned long kernel_size;
DriveInfo *fd[MAX_FD];
FWCfgState *fw_cfg;
unsigned int num_vsimms;
/* init CPUs */
if (!cpu_model)
cpu_model = hwdef->default_cpu_model;
for(i = 0; i < smp_cpus; i++) {
cpu_devinit(cpu_model, i, hwdef->slavio_base, &cpu_irqs[i]);
}
for (i = smp_cpus; i < MAX_CPUS; i++)
cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
/* set up devices */
ram_init(0, args->ram_size, hwdef->max_mem);
/* models without ECC don't trap when missing ram is accessed */
if (!hwdef->ecc_base) {
empty_slot_init(args->ram_size, hwdef->max_mem - args->ram_size);
}
prom_init(hwdef->slavio_base, bios_name);
slavio_intctl = slavio_intctl_init(hwdef->intctl_base,
hwdef->intctl_base + 0x10000ULL,
cpu_irqs);
for (i = 0; i < 32; i++) {
slavio_irq[i] = qdev_get_gpio_in(slavio_intctl, i);
}
for (i = 0; i < MAX_CPUS; i++) {
slavio_cpu_irq[i] = qdev_get_gpio_in(slavio_intctl, 32 + i);
}
if (hwdef->idreg_base) {
idreg_init(hwdef->idreg_base);
}
if (hwdef->afx_base) {
afx_init(hwdef->afx_base);
}
iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version,
slavio_irq[30]);
if (hwdef->iommu_pad_base) {
/* On the real hardware (SS-5, LX) the MMU is not padded, but aliased.
Software shouldn't use aliased addresses, neither should it crash
when does. Using empty_slot instead of aliasing can help with
debugging such accesses */
empty_slot_init(hwdef->iommu_pad_base,hwdef->iommu_pad_len);
}
espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[18],
iommu, &espdma_irq, 0);
ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
slavio_irq[16], iommu, &ledma_irq, 1);
if (graphic_depth != 8 && graphic_depth != 24) {
fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
exit (1);
}
num_vsimms = 0;
if (num_vsimms == 0) {
tcx_init(hwdef->tcx_base, 0x00100000, graphic_width, graphic_height,
graphic_depth);
}
for (i = num_vsimms; i < MAX_VSIMMS; i++) {
/* vsimm registers probed by OBP */
if (hwdef->vsimm[i].reg_base) {
empty_slot_init(hwdef->vsimm[i].reg_base, 0x2000);
}
}
if (hwdef->sx_base) {
empty_slot_init(hwdef->sx_base, 0x2000);
}
lance_init(&nd_table[0], hwdef->le_base, ledma, ledma_irq);
nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, 0x2000, 8);
slavio_timer_init_all(hwdef->counter_base, slavio_irq[19], slavio_cpu_irq, smp_cpus);
slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[14],
display_type == DT_NOGRAPHIC, ESCC_CLOCK, 1);
/* Slavio TTYA (base+4, Linux ttyS0) is the first QEMU serial device
Slavio TTYB (base+0, Linux ttyS1) is the second QEMU serial device */
escc_init(hwdef->serial_base, slavio_irq[15], slavio_irq[15],
serial_hds[0], serial_hds[1], ESCC_CLOCK, 1);
cpu_halt = qemu_allocate_irqs(cpu_halt_signal, NULL, 1);
if (hwdef->apc_base) {
apc_init(hwdef->apc_base, cpu_halt[0]);
}
if (hwdef->fd_base) {
/* there is zero or one floppy drive */
memset(fd, 0, sizeof(fd));
fd[0] = drive_get(IF_FLOPPY, 0, 0);
sun4m_fdctrl_init(slavio_irq[22], hwdef->fd_base, fd,
&fdc_tc);
} else {
fdc_tc = *qemu_allocate_irqs(dummy_fdc_tc, NULL, 1);
}
slavio_misc_init(hwdef->slavio_base, hwdef->aux1_base, hwdef->aux2_base,
slavio_irq[30], fdc_tc);
if (drive_get_max_bus(IF_SCSI) > 0) {
fprintf(stderr, "qemu: too many SCSI bus\n");
exit(1);
}
esp_init(hwdef->esp_base, 2,
espdma_memory_read, espdma_memory_write,
espdma, espdma_irq, &esp_reset, &dma_enable);
qdev_connect_gpio_out(espdma, 0, esp_reset);
qdev_connect_gpio_out(espdma, 1, dma_enable);
if (hwdef->cs_base) {
sysbus_create_simple("SUNW,CS4231", hwdef->cs_base,
slavio_irq[5]);
}
if (hwdef->dbri_base) {
/* ISDN chip with attached CS4215 audio codec */
/* prom space */
empty_slot_init(hwdef->dbri_base+0x1000, 0x30);
/* reg space */
empty_slot_init(hwdef->dbri_base+0x10000, 0x100);
}
if (hwdef->bpp_base) {
/* parallel port */
empty_slot_init(hwdef->bpp_base, 0x20);
}
kernel_size = sun4m_load_kernel(args->kernel_filename,
args->initrd_filename,
args->ram_size);
nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, args->kernel_cmdline,
args->boot_order, args->ram_size, kernel_size, graphic_width,
graphic_height, graphic_depth, hwdef->nvram_machine_id,
"Sun4m");
if (hwdef->ecc_base)
ecc_init(hwdef->ecc_base, slavio_irq[28],
hwdef->ecc_version);
fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
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);
fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_WIDTH, graphic_width);
fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_HEIGHT, graphic_height);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
if (args->kernel_cmdline) {
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE,
args->kernel_cmdline);
fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, args->kernel_cmdline);
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
strlen(args->kernel_cmdline) + 1);
} else {
fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
}
fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, 0); // not used
fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, args->boot_order[0]);
qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
}
enum {
ss5_id = 32,
vger_id,
lx_id,
ss4_id,
scls_id,
sbook_id,
ss10_id = 64,
ss20_id,
ss600mp_id,
};
static const struct sun4m_hwdef sun4m_hwdefs[] = {
/* SS-5 */
{
.iommu_base = 0x10000000,
.iommu_pad_base = 0x10004000,
.iommu_pad_len = 0x0fffb000,
.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,
.afx_base = 0x6e000000,
.aux1_base = 0x71900000,
.aux2_base = 0x71910000,
.nvram_machine_id = 0x80,
.machine_id = ss5_id,
.iommu_version = 0x05000000,
.max_mem = 0x10000000,
.default_cpu_model = "Fujitsu MB86904",
},
/* SS-10 */
{
.iommu_base = 0xfe0000000ULL,
.tcx_base = 0xe20000000ULL,
.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
.nvram_machine_id = 0x72,
.machine_id = ss10_id,
.iommu_version = 0x03000000,
.max_mem = 0xf00000000ULL,
.default_cpu_model = "TI SuperSparc II",
},
/* SS-600MP */
{
.iommu_base = 0xfe0000000ULL,
.tcx_base = 0xe20000000ULL,
.slavio_base = 0xff0000000ULL,
.ms_kb_base = 0xff1000000ULL,
.serial_base = 0xff1100000ULL,
.nvram_base = 0xff1200000ULL,
.counter_base = 0xff1300000ULL,
.intctl_base = 0xff1400000ULL,
.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
.nvram_machine_id = 0x71,
.machine_id = ss600mp_id,
.iommu_version = 0x01000000,
.max_mem = 0xf00000000ULL,
.default_cpu_model = "TI SuperSparc II",
},
/* SS-20 */
{
.iommu_base = 0xfe0000000ULL,
.tcx_base = 0xe20000000ULL,
.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,
.bpp_base = 0xef4800000ULL,
.apc_base = 0xefa000000ULL, // XXX should not exist
.aux1_base = 0xff1800000ULL,
.aux2_base = 0xff1a01000ULL,
.dbri_base = 0xee0000000ULL,
.sx_base = 0xf80000000ULL,
.vsimm = {
{
.reg_base = 0x9c000000ULL,
.vram_base = 0xfc000000ULL
}, {
.reg_base = 0x90000000ULL,
.vram_base = 0xf0000000ULL
}, {
.reg_base = 0x94000000ULL
}, {
.reg_base = 0x98000000ULL
}
},
.ecc_base = 0xf00000000ULL,
.ecc_version = 0x20000000, // version 0, implementation 2
.nvram_machine_id = 0x72,
.machine_id = ss20_id,
.iommu_version = 0x13000000,
.max_mem = 0xf00000000ULL,
.default_cpu_model = "TI SuperSparc II",
},
/* Voyager */
{
.iommu_base = 0x10000000,
.tcx_base = 0x50000000,
.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,
.nvram_machine_id = 0x80,
.machine_id = vger_id,
.iommu_version = 0x05000000,
.max_mem = 0x10000000,
.default_cpu_model = "Fujitsu MB86904",
},
/* LX */
{
.iommu_base = 0x10000000,
.iommu_pad_base = 0x10004000,
.iommu_pad_len = 0x0fffb000,
.tcx_base = 0x50000000,
.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,
.aux1_base = 0x71900000,
.aux2_base = 0x71910000,
.nvram_machine_id = 0x80,
.machine_id = lx_id,
.iommu_version = 0x04000000,
.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,
.nvram_machine_id = 0x80,
.machine_id = ss4_id,
.iommu_version = 0x05000000,
.max_mem = 0x10000000,
.default_cpu_model = "Fujitsu MB86904",
},
/* SPARCClassic */
{
.iommu_base = 0x10000000,
.tcx_base = 0x50000000,
.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,
.nvram_machine_id = 0x80,
.machine_id = scls_id,
.iommu_version = 0x05000000,
.max_mem = 0x10000000,
.default_cpu_model = "TI MicroSparc I",
},
/* SPARCbook */
{
.iommu_base = 0x10000000,
.tcx_base = 0x50000000, // XXX
.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,
.nvram_machine_id = 0x80,
.machine_id = sbook_id,
.iommu_version = 0x05000000,
.max_mem = 0x10000000,
.default_cpu_model = "TI MicroSparc I",
},
};
/* SPARCstation 5 hardware initialisation */
static void ss5_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[0], args);
}
/* SPARCstation 10 hardware initialisation */
static void ss10_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[1], args);
}
/* SPARCserver 600MP hardware initialisation */
static void ss600mp_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[2], args);
}
/* SPARCstation 20 hardware initialisation */
static void ss20_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[3], args);
}
/* SPARCstation Voyager hardware initialisation */
static void vger_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[4], args);
}
/* SPARCstation LX hardware initialisation */
static void ss_lx_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[5], args);
}
/* SPARCstation 4 hardware initialisation */
static void ss4_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[6], args);
}
/* SPARCClassic hardware initialisation */
static void scls_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[7], args);
}
/* SPARCbook hardware initialisation */
static void sbook_init(QEMUMachineInitArgs *args)
{
sun4m_hw_init(&sun4m_hwdefs[8], args);
}
static QEMUMachine ss5_machine = {
.name = "SS-5",
.desc = "Sun4m platform, SPARCstation 5",
.init = ss5_init,
.block_default_type = IF_SCSI,
.is_default = 1,
.default_boot_order = "c",
};
static QEMUMachine ss10_machine = {
.name = "SS-10",
.desc = "Sun4m platform, SPARCstation 10",
.init = ss10_init,
.block_default_type = IF_SCSI,
.max_cpus = 4,
.default_boot_order = "c",
};
static QEMUMachine ss600mp_machine = {
.name = "SS-600MP",
.desc = "Sun4m platform, SPARCserver 600MP",
.init = ss600mp_init,
.block_default_type = IF_SCSI,
.max_cpus = 4,
.default_boot_order = "c",
};
static QEMUMachine ss20_machine = {
.name = "SS-20",
.desc = "Sun4m platform, SPARCstation 20",
.init = ss20_init,
.block_default_type = IF_SCSI,
.max_cpus = 4,
.default_boot_order = "c",
};
static QEMUMachine voyager_machine = {
.name = "Voyager",
.desc = "Sun4m platform, SPARCstation Voyager",
.init = vger_init,
.block_default_type = IF_SCSI,
.default_boot_order = "c",
};
static QEMUMachine ss_lx_machine = {
.name = "LX",
.desc = "Sun4m platform, SPARCstation LX",
.init = ss_lx_init,
.block_default_type = IF_SCSI,
.default_boot_order = "c",
};
static QEMUMachine ss4_machine = {
.name = "SS-4",
.desc = "Sun4m platform, SPARCstation 4",
.init = ss4_init,
.block_default_type = IF_SCSI,
.default_boot_order = "c",
};
static QEMUMachine scls_machine = {
.name = "SPARCClassic",
.desc = "Sun4m platform, SPARCClassic",
.init = scls_init,
.block_default_type = IF_SCSI,
.default_boot_order = "c",
};
static QEMUMachine sbook_machine = {
.name = "SPARCbook",
.desc = "Sun4m platform, SPARCbook",
.init = sbook_init,
.block_default_type = IF_SCSI,
.default_boot_order = "c",
};
static void sun4m_register_types(void)
{
type_register_static(&idreg_info);
type_register_static(&afx_info);
type_register_static(&prom_info);
type_register_static(&ram_info);
}
static void sun4m_machine_init(void)
{
qemu_register_machine(&ss5_machine);
qemu_register_machine(&ss10_machine);
qemu_register_machine(&ss600mp_machine);
qemu_register_machine(&ss20_machine);
qemu_register_machine(&voyager_machine);
qemu_register_machine(&ss_lx_machine);
qemu_register_machine(&ss4_machine);
qemu_register_machine(&scls_machine);
qemu_register_machine(&sbook_machine);
}
type_init(sun4m_register_types)
machine_init(sun4m_machine_init);