/*
- * QEMU Sun4u System Emulator
+ * QEMU Sun4u/Sun4v System Emulator
*
* Copyright (c) 2005 Fabrice Bellard
*
*/
#include "hw.h"
#include "pci.h"
+#include "apb_pci.h"
#include "pc.h"
#include "nvram.h"
#include "fdc.h"
#include "sysemu.h"
#include "boards.h"
#include "firmware_abi.h"
+#include "fw_cfg.h"
+#include "sysbus.h"
+#include "ide.h"
+#include "loader.h"
+#include "elf.h"
+#include "blockdev.h"
+
+//#define DEBUG_IRQ
+//#define DEBUG_EBUS
+//#define DEBUG_TIMER
+
+#ifdef DEBUG_IRQ
+#define CPUIRQ_DPRINTF(fmt, ...) \
+ do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define CPUIRQ_DPRINTF(fmt, ...)
+#endif
+
+#ifdef DEBUG_EBUS
+#define EBUS_DPRINTF(fmt, ...) \
+ do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define EBUS_DPRINTF(fmt, ...)
+#endif
+
+#ifdef DEBUG_TIMER
+#define TIMER_DPRINTF(fmt, ...) \
+ do { printf("TIMER: " fmt , ## __VA_ARGS__); } while (0)
+#else
+#define TIMER_DPRINTF(fmt, ...)
+#endif
#define KERNEL_LOAD_ADDR 0x00404000
#define CMDLINE_ADDR 0x003ff000
#define INITRD_LOAD_ADDR 0x00300000
#define PROM_SIZE_MAX (4 * 1024 * 1024)
-#define PROM_ADDR 0x1fff0000000ULL
#define PROM_VADDR 0x000ffd00000ULL
#define APB_SPECIAL_BASE 0x1fe00000000ULL
#define APB_MEM_BASE 0x1ff00000000ULL
-#define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
+#define APB_PCI_IO_BASE (APB_SPECIAL_BASE + 0x02000000ULL)
#define PROM_FILENAME "openbios-sparc64"
#define NVRAM_SIZE 0x2000
#define MAX_IDE_BUS 2
+#define BIOS_CFG_IOPORT 0x510
+#define FW_CFG_SPARC64_WIDTH (FW_CFG_ARCH_LOCAL + 0x00)
+#define FW_CFG_SPARC64_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01)
+#define FW_CFG_SPARC64_DEPTH (FW_CFG_ARCH_LOCAL + 0x02)
+
+#define MAX_PILS 16
+
+#define TICK_MAX 0x7fffffffffffffffULL
+
+struct hwdef {
+ const char * const default_cpu_model;
+ uint16_t machine_id;
+ uint64_t prom_addr;
+ uint64_t console_serial_base;
+};
+
+typedef struct EbusState {
+ PCIDevice pci_dev;
+ MemoryRegion bar0;
+ MemoryRegion bar1;
+} EbusState;
int DMA_get_channel_mode (int nchan)
{
void DMA_hold_DREQ (int nchan) {}
void DMA_release_DREQ (int nchan) {}
void DMA_schedule(int nchan) {}
-void DMA_run (void) {}
-void DMA_init (int high_page_enable) {}
+
+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)
{
}
-extern int nographic;
+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 int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
- const unsigned char *arch,
- ram_addr_t RAM_size,
- const char *boot_devices,
- uint32_t kernel_image, uint32_t kernel_size,
- const char *cmdline,
- uint32_t initrd_image, uint32_t initrd_size,
- uint32_t NVRAM_image,
- int width, int height, int depth)
+static int sun4u_NVRAM_set_params(M48t59State *nvram, uint16_t NVRAM_size,
+ const char *arch, ram_addr_t RAM_size,
+ const char *boot_devices,
+ uint32_t kernel_image, uint32_t kernel_size,
+ const char *cmdline,
+ uint32_t initrd_image, uint32_t initrd_size,
+ uint32_t NVRAM_image,
+ int width, int height, int depth,
+ const uint8_t *macaddr)
{
unsigned int i;
uint32_t start, end;
uint8_t image[0x1ff0];
- ohwcfg_v3_t *header = (ohwcfg_v3_t *)ℑ
- struct sparc_arch_cfg *sparc_header;
struct OpenBIOS_nvpart_v1 *part_header;
memset(image, '\0', sizeof(image));
- // Try to match PPC NVRAM
- strcpy(header->struct_ident, "QEMU_BIOS");
- header->struct_version = cpu_to_be32(3); /* structure v3 */
-
- header->nvram_size = cpu_to_be16(NVRAM_size);
- header->nvram_arch_ptr = cpu_to_be16(sizeof(ohwcfg_v3_t));
- header->nvram_arch_size = cpu_to_be16(sizeof(struct sparc_arch_cfg));
- strcpy(header->arch, arch);
- header->nb_cpus = smp_cpus & 0xff;
- header->RAM0_base = 0;
- header->RAM0_size = cpu_to_be64((uint64_t)RAM_size);
- strcpy(header->boot_devices, boot_devices);
- header->nboot_devices = strlen(boot_devices) & 0xff;
- header->kernel_image = cpu_to_be64((uint64_t)kernel_image);
- 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));
- }
- header->initrd_image = cpu_to_be64((uint64_t)initrd_image);
- header->initrd_size = cpu_to_be64((uint64_t)initrd_size);
- header->NVRAM_image = cpu_to_be64((uint64_t)NVRAM_image);
-
- 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);
+ start = 0;
// OpenBIOS nvram variables
// Variable partition
part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
part_header->signature = OPENBIOS_PART_SYSTEM;
- strcpy(part_header->name, "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++)
start = end;
part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
part_header->signature = OPENBIOS_PART_FREE;
- strcpy(part_header->name, "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, 0x80);
+
for (i = 0; i < sizeof(image); i++)
m48t59_write(nvram, i, image[i]);
return 0;
}
+static unsigned long sun4u_load_kernel(const char *kernel_filename,
+ const char *initrd_filename,
+ ram_addr_t RAM_size, long *initrd_size)
+{
+ int linux_boot;
+ unsigned int i;
+ long 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, NULL, 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 + 8) == 0x48647253) { /* HdrS */
+ stl_p(ptr + 24, INITRD_LOAD_ADDR + KERNEL_LOAD_ADDR - 0x4000);
+ stl_p(ptr + 28, *initrd_size);
+ break;
+ }
+ }
+ }
+ }
+ return kernel_size;
+}
-void pic_info(void)
+void pic_info(Monitor *mon)
{
}
-void irq_info(void)
+void irq_info(Monitor *mon)
{
}
-void qemu_system_powerdown(void)
+void cpu_check_irqs(CPUState *env)
{
+ uint32_t pil = env->pil_in |
+ (env->softint & ~(SOFTINT_TIMER | SOFTINT_STIMER));
+
+ /* check if TM or SM in SOFTINT are set
+ setting these also causes interrupt 14 */
+ if (env->softint & (SOFTINT_TIMER | SOFTINT_STIMER)) {
+ pil |= 1 << 14;
+ }
+
+ if (!pil) {
+ if (env->interrupt_request & CPU_INTERRUPT_HARD) {
+ CPUIRQ_DPRINTF("Reset CPU IRQ (current interrupt %x)\n",
+ env->interrupt_index);
+ env->interrupt_index = 0;
+ cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
+ }
+ return;
+ }
+
+ if (cpu_interrupts_enabled(env)) {
+
+ unsigned int i;
+
+ for (i = 15; i > env->psrpil; i--) {
+ if (pil & (1 << i)) {
+ int old_interrupt = env->interrupt_index;
+ int new_interrupt = TT_EXTINT | i;
+
+ if (env->tl > 0 && cpu_tsptr(env)->tt > new_interrupt) {
+ CPUIRQ_DPRINTF("Not setting CPU IRQ: TL=%d "
+ "current %x >= pending %x\n",
+ env->tl, cpu_tsptr(env)->tt, new_interrupt);
+ } else if (old_interrupt != new_interrupt) {
+ env->interrupt_index = new_interrupt;
+ CPUIRQ_DPRINTF("Set CPU IRQ %d old=%x new=%x\n", i,
+ old_interrupt, new_interrupt);
+ cpu_interrupt(env, CPU_INTERRUPT_HARD);
+ }
+ break;
+ }
+ }
+ } else {
+ CPUIRQ_DPRINTF("Interrupts disabled, pil=%08x pil_in=%08x softint=%08x "
+ "current interrupt %x\n",
+ pil, env->pil_in, env->softint, env->interrupt_index);
+ }
}
-static void main_cpu_reset(void *opaque)
+static void cpu_kick_irq(CPUState *env)
+{
+ env->halted = 0;
+ cpu_check_irqs(env);
+ qemu_cpu_kick(env);
+}
+
+static void cpu_set_irq(void *opaque, int irq, int level)
{
CPUState *env = opaque;
+ if (level) {
+ CPUIRQ_DPRINTF("Raise CPU IRQ %d\n", irq);
+ env->pil_in |= 1 << irq;
+ cpu_kick_irq(env);
+ } else {
+ CPUIRQ_DPRINTF("Lower CPU IRQ %d\n", irq);
+ env->pil_in &= ~(1 << irq);
+ cpu_check_irqs(env);
+ }
+}
+
+typedef struct ResetData {
+ CPUState *env;
+ uint64_t prom_addr;
+} ResetData;
+
+void cpu_put_timer(QEMUFile *f, CPUTimer *s)
+{
+ qemu_put_be32s(f, &s->frequency);
+ qemu_put_be32s(f, &s->disabled);
+ qemu_put_be64s(f, &s->disabled_mask);
+ qemu_put_sbe64s(f, &s->clock_offset);
+
+ qemu_put_timer(f, s->qtimer);
+}
+
+void cpu_get_timer(QEMUFile *f, CPUTimer *s)
+{
+ qemu_get_be32s(f, &s->frequency);
+ qemu_get_be32s(f, &s->disabled);
+ qemu_get_be64s(f, &s->disabled_mask);
+ qemu_get_sbe64s(f, &s->clock_offset);
+
+ qemu_get_timer(f, s->qtimer);
+}
+
+static CPUTimer* cpu_timer_create(const char* name, CPUState *env,
+ QEMUBHFunc *cb, uint32_t frequency,
+ uint64_t disabled_mask)
+{
+ CPUTimer *timer = qemu_mallocz(sizeof (CPUTimer));
+
+ timer->name = name;
+ timer->frequency = frequency;
+ timer->disabled_mask = disabled_mask;
+
+ timer->disabled = 1;
+ timer->clock_offset = qemu_get_clock_ns(vm_clock);
+
+ timer->qtimer = qemu_new_timer_ns(vm_clock, cb, env);
+
+ return timer;
+}
+
+static void cpu_timer_reset(CPUTimer *timer)
+{
+ timer->disabled = 1;
+ timer->clock_offset = qemu_get_clock_ns(vm_clock);
+
+ qemu_del_timer(timer->qtimer);
+}
+
+static void main_cpu_reset(void *opaque)
+{
+ ResetData *s = (ResetData *)opaque;
+ CPUState *env = s->env;
+ static unsigned int nr_resets;
+
cpu_reset(env);
- ptimer_set_limit(env->tick, 0x7fffffffffffffffULL, 1);
- ptimer_run(env->tick, 0);
- ptimer_set_limit(env->stick, 0x7fffffffffffffffULL, 1);
- ptimer_run(env->stick, 0);
- ptimer_set_limit(env->hstick, 0x7fffffffffffffffULL, 1);
- ptimer_run(env->hstick, 0);
+
+ cpu_timer_reset(env->tick);
+ cpu_timer_reset(env->stick);
+ cpu_timer_reset(env->hstick);
+
+ env->gregs[1] = 0; // Memory start
+ env->gregs[2] = ram_size; // Memory size
+ env->gregs[3] = 0; // Machine description XXX
+ if (nr_resets++ == 0) {
+ /* Power on reset */
+ env->pc = s->prom_addr + 0x20ULL;
+ } else {
+ env->pc = s->prom_addr + 0x40ULL;
+ }
+ env->npc = env->pc + 4;
}
static void tick_irq(void *opaque)
{
CPUState *env = opaque;
- cpu_interrupt(env, CPU_INTERRUPT_TIMER);
+ CPUTimer* timer = env->tick;
+
+ if (timer->disabled) {
+ CPUIRQ_DPRINTF("tick_irq: softint disabled\n");
+ return;
+ } else {
+ CPUIRQ_DPRINTF("tick: fire\n");
+ }
+
+ env->softint |= SOFTINT_TIMER;
+ cpu_kick_irq(env);
}
static void stick_irq(void *opaque)
{
CPUState *env = opaque;
- cpu_interrupt(env, CPU_INTERRUPT_TIMER);
+ CPUTimer* timer = env->stick;
+
+ if (timer->disabled) {
+ CPUIRQ_DPRINTF("stick_irq: softint disabled\n");
+ return;
+ } else {
+ CPUIRQ_DPRINTF("stick: fire\n");
+ }
+
+ env->softint |= SOFTINT_STIMER;
+ cpu_kick_irq(env);
}
static void hstick_irq(void *opaque)
{
CPUState *env = opaque;
- cpu_interrupt(env, CPU_INTERRUPT_TIMER);
+ CPUTimer* timer = env->hstick;
+
+ if (timer->disabled) {
+ CPUIRQ_DPRINTF("hstick_irq: softint disabled\n");
+ return;
+ } else {
+ CPUIRQ_DPRINTF("hstick: fire\n");
+ }
+
+ env->softint |= SOFTINT_STIMER;
+ cpu_kick_irq(env);
+}
+
+static int64_t cpu_to_timer_ticks(int64_t cpu_ticks, uint32_t frequency)
+{
+ return muldiv64(cpu_ticks, get_ticks_per_sec(), frequency);
}
-static void dummy_cpu_set_irq(void *opaque, int irq, int level)
+static uint64_t timer_to_cpu_ticks(int64_t timer_ticks, uint32_t frequency)
{
+ return muldiv64(timer_ticks, frequency, get_ticks_per_sec());
}
-static const int ide_iobase[2] = { 0x1f0, 0x170 };
-static const int ide_iobase2[2] = { 0x3f6, 0x376 };
-static const int ide_irq[2] = { 14, 15 };
+void cpu_tick_set_count(CPUTimer *timer, uint64_t count)
+{
+ uint64_t real_count = count & ~timer->disabled_mask;
+ uint64_t disabled_bit = count & timer->disabled_mask;
-static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
-static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
+ int64_t vm_clock_offset = qemu_get_clock_ns(vm_clock) -
+ cpu_to_timer_ticks(real_count, timer->frequency);
-static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
-static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
+ TIMER_DPRINTF("%s set_count count=0x%016lx (%s) p=%p\n",
+ timer->name, real_count,
+ timer->disabled?"disabled":"enabled", timer);
-static fdctrl_t *floppy_controller;
+ timer->disabled = disabled_bit ? 1 : 0;
+ timer->clock_offset = vm_clock_offset;
+}
-/* Sun4u hardware initialisation */
-static void sun4u_init(ram_addr_t RAM_size, int vga_ram_size,
- const char *boot_devices, DisplayState *ds,
- const char *kernel_filename, const char *kernel_cmdline,
- const char *initrd_filename, const char *cpu_model)
+uint64_t cpu_tick_get_count(CPUTimer *timer)
+{
+ uint64_t real_count = timer_to_cpu_ticks(
+ qemu_get_clock_ns(vm_clock) - timer->clock_offset,
+ timer->frequency);
+
+ TIMER_DPRINTF("%s get_count count=0x%016lx (%s) p=%p\n",
+ timer->name, real_count,
+ timer->disabled?"disabled":"enabled", timer);
+
+ if (timer->disabled)
+ real_count |= timer->disabled_mask;
+
+ return real_count;
+}
+
+void cpu_tick_set_limit(CPUTimer *timer, uint64_t limit)
+{
+ int64_t now = qemu_get_clock_ns(vm_clock);
+
+ uint64_t real_limit = limit & ~timer->disabled_mask;
+ timer->disabled = (limit & timer->disabled_mask) ? 1 : 0;
+
+ int64_t expires = cpu_to_timer_ticks(real_limit, timer->frequency) +
+ timer->clock_offset;
+
+ if (expires < now) {
+ expires = now + 1;
+ }
+
+ TIMER_DPRINTF("%s set_limit limit=0x%016lx (%s) p=%p "
+ "called with limit=0x%016lx at 0x%016lx (delta=0x%016lx)\n",
+ timer->name, real_limit,
+ timer->disabled?"disabled":"enabled",
+ timer, limit,
+ timer_to_cpu_ticks(now - timer->clock_offset,
+ timer->frequency),
+ timer_to_cpu_ticks(expires - now, timer->frequency));
+
+ if (!real_limit) {
+ TIMER_DPRINTF("%s set_limit limit=ZERO - not starting timer\n",
+ timer->name);
+ qemu_del_timer(timer->qtimer);
+ } else if (timer->disabled) {
+ qemu_del_timer(timer->qtimer);
+ } else {
+ qemu_mod_timer(timer->qtimer, expires);
+ }
+}
+
+static void dummy_isa_irq_handler(void *opaque, int n, int level)
+{
+}
+
+/* EBUS (Eight bit bus) bridge */
+static void
+pci_ebus_init(PCIBus *bus, int devfn)
+{
+ qemu_irq *isa_irq;
+
+ pci_create_simple(bus, devfn, "ebus");
+ isa_irq = qemu_allocate_irqs(dummy_isa_irq_handler, NULL, 16);
+ isa_bus_irqs(isa_irq);
+}
+
+static int
+pci_ebus_init1(PCIDevice *pci_dev)
+{
+ EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev);
+
+ isa_bus_new(&pci_dev->qdev);
+
+ pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
+ pci_dev->config[0x05] = 0x00;
+ pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
+ pci_dev->config[0x07] = 0x03; // status = medium devsel
+ pci_dev->config[0x09] = 0x00; // programming i/f
+ pci_dev->config[0x0D] = 0x0a; // latency_timer
+
+ isa_mmio_setup(&s->bar0, 0x1000000);
+ pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0);
+ isa_mmio_setup(&s->bar1, 0x800000);
+ pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar1);
+ return 0;
+}
+
+static PCIDeviceInfo ebus_info = {
+ .qdev.name = "ebus",
+ .qdev.size = sizeof(EbusState),
+ .init = pci_ebus_init1,
+ .vendor_id = PCI_VENDOR_ID_SUN,
+ .device_id = PCI_DEVICE_ID_SUN_EBUS,
+ .revision = 0x01,
+ .class_id = PCI_CLASS_BRIDGE_OTHER,
+};
+
+static void pci_ebus_register(void)
+{
+ pci_qdev_register(&ebus_info);
+}
+
+device_init(pci_ebus_register);
+
+static uint64_t translate_prom_address(void *opaque, uint64_t addr)
+{
+ target_phys_addr_t *base_addr = (target_phys_addr_t *)opaque;
+ return addr + *base_addr - PROM_VADDR;
+}
+
+/* Boot PROM (OpenBIOS) */
+static void prom_init(target_phys_addr_t addr, const char *bios_name)
+{
+ DeviceState *dev;
+ SysBusDevice *s;
+ char *filename;
+ int ret;
+
+ dev = qdev_create(NULL, "openprom");
+ qdev_init_nofail(dev);
+ s = sysbus_from_qdev(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);
+ }
+ qemu_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)
+{
+ ram_addr_t prom_offset;
+
+ prom_offset = qemu_ram_alloc(NULL, "sun4u.prom", PROM_SIZE_MAX);
+ sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM);
+ return 0;
+}
+
+static SysBusDeviceInfo prom_info = {
+ .init = prom_init1,
+ .qdev.name = "openprom",
+ .qdev.size = sizeof(SysBusDevice),
+ .qdev.props = (Property[]) {
+ {/* end of property list */}
+ }
+};
+
+static void prom_register_devices(void)
+{
+ sysbus_register_withprop(&prom_info);
+}
+
+device_init(prom_register_devices);
+
+
+typedef struct RamDevice
+{
+ SysBusDevice busdev;
+ uint64_t size;
+} RamDevice;
+
+/* System RAM */
+static int ram_init1(SysBusDevice *dev)
+{
+ ram_addr_t RAM_size, ram_offset;
+ RamDevice *d = FROM_SYSBUS(RamDevice, dev);
+
+ RAM_size = d->size;
+
+ ram_offset = qemu_ram_alloc(NULL, "sun4u.ram", RAM_size);
+ sysbus_init_mmio(dev, RAM_size, ram_offset);
+ return 0;
+}
+
+static void ram_init(target_phys_addr_t addr, ram_addr_t RAM_size)
+{
+ DeviceState *dev;
+ SysBusDevice *s;
+ RamDevice *d;
+
+ /* allocate RAM */
+ dev = qdev_create(NULL, "memory");
+ s = sysbus_from_qdev(dev);
+
+ d = FROM_SYSBUS(RamDevice, s);
+ d->size = RAM_size;
+ qdev_init_nofail(dev);
+
+ sysbus_mmio_map(s, 0, addr);
+}
+
+static SysBusDeviceInfo ram_info = {
+ .init = ram_init1,
+ .qdev.name = "memory",
+ .qdev.size = sizeof(RamDevice),
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_UINT64("size", RamDevice, size, 0),
+ DEFINE_PROP_END_OF_LIST(),
+ }
+};
+
+static void ram_register_devices(void)
+{
+ sysbus_register_withprop(&ram_info);
+}
+
+device_init(ram_register_devices);
+
+static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
{
CPUState *env;
- char buf[1024];
- m48t59_t *nvram;
- int ret, linux_boot;
- unsigned int i;
- long prom_offset, initrd_size, kernel_size;
- PCIBus *pci_bus;
- QEMUBH *bh;
- qemu_irq *irq;
- int drive_index;
- BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
- BlockDriverState *fd[MAX_FD];
+ ResetData *reset_info;
- linux_boot = (kernel_filename != NULL);
+ uint32_t tick_frequency = 100*1000000;
+ uint32_t stick_frequency = 100*1000000;
+ uint32_t hstick_frequency = 100*1000000;
- /* init CPUs */
- if (cpu_model == NULL)
- cpu_model = "TI UltraSparc II";
+ if (!cpu_model)
+ cpu_model = hwdef->default_cpu_model;
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find Sparc CPU definition\n");
exit(1);
}
- bh = qemu_bh_new(tick_irq, env);
- env->tick = ptimer_init(bh);
- ptimer_set_period(env->tick, 1ULL);
- bh = qemu_bh_new(stick_irq, env);
- env->stick = ptimer_init(bh);
- ptimer_set_period(env->stick, 1ULL);
+ env->tick = cpu_timer_create("tick", env, tick_irq,
+ tick_frequency, TICK_NPT_MASK);
- bh = qemu_bh_new(hstick_irq, env);
- env->hstick = ptimer_init(bh);
- ptimer_set_period(env->hstick, 1ULL);
- register_savevm("cpu", 0, 4, cpu_save, cpu_load, env);
- qemu_register_reset(main_cpu_reset, env);
- main_cpu_reset(env);
+ env->stick = cpu_timer_create("stick", env, stick_irq,
+ stick_frequency, TICK_INT_DIS);
- /* allocate RAM */
- cpu_register_physical_memory(0, RAM_size, 0);
+ env->hstick = cpu_timer_create("hstick", env, hstick_irq,
+ hstick_frequency, TICK_INT_DIS);
- prom_offset = RAM_size + vga_ram_size;
- cpu_register_physical_memory(PROM_ADDR,
- (PROM_SIZE_MAX + TARGET_PAGE_SIZE) &
- TARGET_PAGE_MASK,
- prom_offset | IO_MEM_ROM);
+ reset_info = qemu_mallocz(sizeof(ResetData));
+ reset_info->env = env;
+ reset_info->prom_addr = hwdef->prom_addr;
+ qemu_register_reset(main_cpu_reset, reset_info);
- if (bios_name == NULL)
- bios_name = PROM_FILENAME;
- snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
- ret = load_elf(buf, PROM_ADDR - PROM_VADDR, NULL, NULL, NULL);
- if (ret < 0) {
- fprintf(stderr, "qemu: could not load prom '%s'\n",
- buf);
- exit(1);
- }
+ return env;
+}
- kernel_size = 0;
- initrd_size = 0;
- if (linux_boot) {
- /* XXX: put correct offset */
- kernel_size = load_elf(kernel_filename, 0, 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);
- }
+static void sun4uv_init(ram_addr_t RAM_size,
+ const char *boot_devices,
+ const char *kernel_filename, const char *kernel_cmdline,
+ const char *initrd_filename, const char *cpu_model,
+ const struct hwdef *hwdef)
+{
+ CPUState *env;
+ M48t59State *nvram;
+ unsigned int i;
+ long initrd_size, kernel_size;
+ PCIBus *pci_bus, *pci_bus2, *pci_bus3;
+ qemu_irq *irq;
+ DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+ DriveInfo *fd[MAX_FD];
+ void *fw_cfg;
- /* load initrd */
- 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;
- }
- }
- }
- }
- pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, NULL);
- isa_mem_base = VGA_BASE;
- pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + RAM_size, RAM_size,
- vga_ram_size);
+ /* init CPUs */
+ env = cpu_devinit(cpu_model, hwdef);
- for(i = 0; i < MAX_SERIAL_PORTS; i++) {
+ /* set up devices */
+ ram_init(0, RAM_size);
+
+ prom_init(hwdef->prom_addr, bios_name);
+
+
+ irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
+ pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2,
+ &pci_bus3);
+ isa_mem_base = APB_PCI_IO_BASE;
+ pci_vga_init(pci_bus);
+
+ // XXX Should be pci_bus3
+ pci_ebus_init(pci_bus, -1);
+
+ i = 0;
+ if (hwdef->console_serial_base) {
+ serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
+ serial_hds[i], 1, 1);
+ i++;
+ }
+ for(; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
- serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
- serial_hds[i]);
+ serial_isa_init(i, serial_hds[i]);
}
}
for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
if (parallel_hds[i]) {
- parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
- parallel_hds[i]);
+ parallel_init(i, parallel_hds[i]);
}
}
- for(i = 0; i < nb_nics; i++) {
- if (!nd_table[i].model)
- nd_table[i].model = "ne2k_pci";
- pci_nic_init(pci_bus, &nd_table[i], -1);
- }
+ for(i = 0; i < nb_nics; i++)
+ pci_nic_init_nofail(&nd_table[i], "ne2k_pci", NULL);
- irq = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, 32);
- if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
- fprintf(stderr, "qemu: too many IDE bus\n");
- exit(1);
- }
- for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
- drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
- i % MAX_IDE_DEVS);
- if (drive_index != -1)
- hd[i] = drives_table[drive_index].bdrv;
- else
- hd[i] = NULL;
- }
+ ide_drive_get(hd, MAX_IDE_BUS);
+
+ pci_cmd646_ide_init(pci_bus, hd, 1);
- // XXX pci_cmd646_ide_init(pci_bus, hd, 1);
- pci_piix3_ide_init(pci_bus, hd, -1, irq);
- /* FIXME: wire up interrupts. */
- i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
+ isa_create_simple("i8042");
for(i = 0; i < MAX_FD; i++) {
- drive_index = drive_get_index(IF_FLOPPY, 0, i);
- if (drive_index != -1)
- fd[i] = drives_table[drive_index].bdrv;
- else
- fd[i] = NULL;
+ fd[i] = drive_get(IF_FLOPPY, 0, i);
}
- floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
- nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
+ fdctrl_init_isa(fd);
+ nvram = m48t59_init_isa(0x0074, NVRAM_SIZE, 59);
+
+ initrd_size = 0;
+ kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
+ ram_size, &initrd_size);
+
sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
- KERNEL_LOAD_ADDR, kernel_size,
- kernel_cmdline,
- INITRD_LOAD_ADDR, initrd_size,
- /* XXX: need an option to load a NVRAM image */
- 0,
- graphic_width, graphic_height, graphic_depth);
+ KERNEL_LOAD_ADDR, kernel_size,
+ kernel_cmdline,
+ INITRD_LOAD_ADDR, initrd_size,
+ /* XXX: need an option to load a NVRAM image */
+ 0,
+ graphic_width, graphic_height, graphic_depth,
+ (uint8_t *)&nd_table[0].macaddr);
+
+ fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
+ 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_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
+ fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+ if (kernel_cmdline) {
+ fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
+ strlen(kernel_cmdline) + 1);
+ fw_cfg_add_bytes(fw_cfg, FW_CFG_CMDLINE_DATA,
+ (uint8_t*)strdup(kernel_cmdline),
+ strlen(kernel_cmdline) + 1);
+ } else {
+ 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, initrd_size);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);
+
+ fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_WIDTH, graphic_width);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_HEIGHT, graphic_height);
+ fw_cfg_add_i16(fw_cfg, FW_CFG_SPARC64_DEPTH, graphic_depth);
+
+ qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
+}
+
+enum {
+ sun4u_id = 0,
+ sun4v_id = 64,
+ niagara_id,
+};
+
+static const struct hwdef hwdefs[] = {
+ /* Sun4u generic PC-like machine */
+ {
+ .default_cpu_model = "TI UltraSparc IIi",
+ .machine_id = sun4u_id,
+ .prom_addr = 0x1fff0000000ULL,
+ .console_serial_base = 0,
+ },
+ /* Sun4v generic PC-like machine */
+ {
+ .default_cpu_model = "Sun UltraSparc T1",
+ .machine_id = sun4v_id,
+ .prom_addr = 0x1fff0000000ULL,
+ .console_serial_base = 0,
+ },
+ /* Sun4v generic Niagara machine */
+ {
+ .default_cpu_model = "Sun UltraSparc T1",
+ .machine_id = niagara_id,
+ .prom_addr = 0xfff0000000ULL,
+ .console_serial_base = 0xfff0c2c000ULL,
+ },
+};
+
+/* Sun4u hardware initialisation */
+static void sun4u_init(ram_addr_t RAM_size,
+ const char *boot_devices,
+ const char *kernel_filename, const char *kernel_cmdline,
+ const char *initrd_filename, const char *cpu_model)
+{
+ sun4uv_init(RAM_size, boot_devices, kernel_filename,
+ kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
+}
+/* Sun4v hardware initialisation */
+static void sun4v_init(ram_addr_t RAM_size,
+ const char *boot_devices,
+ const char *kernel_filename, const char *kernel_cmdline,
+ const char *initrd_filename, const char *cpu_model)
+{
+ sun4uv_init(RAM_size, boot_devices, kernel_filename,
+ kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
+}
+
+/* Niagara hardware initialisation */
+static void niagara_init(ram_addr_t RAM_size,
+ const char *boot_devices,
+ const char *kernel_filename, const char *kernel_cmdline,
+ const char *initrd_filename, const char *cpu_model)
+{
+ sun4uv_init(RAM_size, boot_devices, kernel_filename,
+ kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
}
-QEMUMachine sun4u_machine = {
- "sun4u",
- "Sun4u platform",
- sun4u_init,
- PROM_SIZE_MAX + VGA_RAM_SIZE,
+static QEMUMachine sun4u_machine = {
+ .name = "sun4u",
+ .desc = "Sun4u platform",
+ .init = sun4u_init,
+ .max_cpus = 1, // XXX for now
+ .is_default = 1,
};
+
+static QEMUMachine sun4v_machine = {
+ .name = "sun4v",
+ .desc = "Sun4v platform",
+ .init = sun4v_init,
+ .max_cpus = 1, // XXX for now
+};
+
+static QEMUMachine niagara_machine = {
+ .name = "Niagara",
+ .desc = "Sun4v platform, Niagara",
+ .init = niagara_init,
+ .max_cpus = 1, // XXX for now
+};
+
+static void sun4u_machine_init(void)
+{
+ qemu_register_machine(&sun4u_machine);
+ qemu_register_machine(&sun4v_machine);
+ qemu_register_machine(&niagara_machine);
+}
+
+machine_init(sun4u_machine_init);
projects / qemu.git / blobdiff