2 * QEMU Sun4u/Sun4v System Emulator
4 * Copyright (c) 2005 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
30 #include "qemu-timer.h"
33 #include "firmware_abi.h"
40 #define DPRINTF(fmt, ...) \
41 do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0)
43 #define DPRINTF(fmt, ...)
46 #define KERNEL_LOAD_ADDR 0x00404000
47 #define CMDLINE_ADDR 0x003ff000
48 #define INITRD_LOAD_ADDR 0x00300000
49 #define PROM_SIZE_MAX (4 * 1024 * 1024)
50 #define PROM_VADDR 0x000ffd00000ULL
51 #define APB_SPECIAL_BASE 0x1fe00000000ULL
52 #define APB_MEM_BASE 0x1ff00000000ULL
53 #define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
54 #define PROM_FILENAME "openbios-sparc64"
55 #define NVRAM_SIZE 0x2000
57 #define BIOS_CFG_IOPORT 0x510
61 #define TICK_INT_DIS 0x8000000000000000ULL
62 #define TICK_MAX 0x7fffffffffffffffULL
65 const char * const default_cpu_model;
68 uint64_t console_serial_base;
71 int DMA_get_channel_mode (int nchan)
75 int DMA_read_memory (int nchan, void *buf, int pos, int size)
79 int DMA_write_memory (int nchan, void *buf, int pos, int size)
83 void DMA_hold_DREQ (int nchan) {}
84 void DMA_release_DREQ (int nchan) {}
85 void DMA_schedule(int nchan) {}
86 void DMA_init (int high_page_enable) {}
87 void DMA_register_channel (int nchan,
88 DMA_transfer_handler transfer_handler,
93 static int fw_cfg_boot_set(void *opaque, const char *boot_device)
95 fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
99 static int sun4u_NVRAM_set_params (m48t59_t *nvram, uint16_t NVRAM_size,
102 const char *boot_devices,
103 uint32_t kernel_image, uint32_t kernel_size,
105 uint32_t initrd_image, uint32_t initrd_size,
106 uint32_t NVRAM_image,
107 int width, int height, int depth,
108 const uint8_t *macaddr)
112 uint8_t image[0x1ff0];
113 struct OpenBIOS_nvpart_v1 *part_header;
115 memset(image, '\0', sizeof(image));
119 // OpenBIOS nvram variables
120 // Variable partition
121 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
122 part_header->signature = OPENBIOS_PART_SYSTEM;
123 pstrcpy(part_header->name, sizeof(part_header->name), "system");
125 end = start + sizeof(struct OpenBIOS_nvpart_v1);
126 for (i = 0; i < nb_prom_envs; i++)
127 end = OpenBIOS_set_var(image, end, prom_envs[i]);
132 end = start + ((end - start + 15) & ~15);
133 OpenBIOS_finish_partition(part_header, end - start);
137 part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
138 part_header->signature = OPENBIOS_PART_FREE;
139 pstrcpy(part_header->name, sizeof(part_header->name), "free");
142 OpenBIOS_finish_partition(part_header, end - start);
144 Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr, 0x80);
146 for (i = 0; i < sizeof(image); i++)
147 m48t59_write(nvram, i, image[i]);
151 static unsigned long sun4u_load_kernel(const char *kernel_filename,
152 const char *initrd_filename,
153 ram_addr_t RAM_size, long *initrd_size)
159 linux_boot = (kernel_filename != NULL);
163 kernel_size = load_elf(kernel_filename, 0, NULL, NULL, NULL);
165 kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
166 RAM_size - KERNEL_LOAD_ADDR);
168 kernel_size = load_image_targphys(kernel_filename,
170 RAM_size - KERNEL_LOAD_ADDR);
171 if (kernel_size < 0) {
172 fprintf(stderr, "qemu: could not load kernel '%s'\n",
179 if (initrd_filename) {
180 *initrd_size = load_image_targphys(initrd_filename,
182 RAM_size - INITRD_LOAD_ADDR);
183 if (*initrd_size < 0) {
184 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
189 if (*initrd_size > 0) {
190 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
191 if (ldl_phys(KERNEL_LOAD_ADDR + i) == 0x48647253) { // HdrS
192 stl_phys(KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
193 stl_phys(KERNEL_LOAD_ADDR + i + 20, *initrd_size);
202 void pic_info(Monitor *mon)
206 void irq_info(Monitor *mon)
210 void cpu_check_irqs(CPUState *env)
212 uint32_t pil = env->pil_in | (env->softint & ~SOFTINT_TIMER) |
213 ((env->softint & SOFTINT_TIMER) << 14);
215 if (pil && (env->interrupt_index == 0 ||
216 (env->interrupt_index & ~15) == TT_EXTINT)) {
219 for (i = 15; i > 0; i--) {
220 if (pil & (1 << i)) {
221 int old_interrupt = env->interrupt_index;
223 env->interrupt_index = TT_EXTINT | i;
224 if (old_interrupt != env->interrupt_index) {
225 DPRINTF("Set CPU IRQ %d\n", i);
226 cpu_interrupt(env, CPU_INTERRUPT_HARD);
231 } else if (!pil && (env->interrupt_index & ~15) == TT_EXTINT) {
232 DPRINTF("Reset CPU IRQ %d\n", env->interrupt_index & 15);
233 env->interrupt_index = 0;
234 cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
238 static void cpu_set_irq(void *opaque, int irq, int level)
240 CPUState *env = opaque;
243 DPRINTF("Raise CPU IRQ %d\n", irq);
245 env->pil_in |= 1 << irq;
248 DPRINTF("Lower CPU IRQ %d\n", irq);
249 env->pil_in &= ~(1 << irq);
254 void qemu_system_powerdown(void)
258 typedef struct ResetData {
263 static void main_cpu_reset(void *opaque)
265 ResetData *s = (ResetData *)opaque;
266 CPUState *env = s->env;
269 env->tick_cmpr = TICK_INT_DIS | 0;
270 ptimer_set_limit(env->tick, TICK_MAX, 1);
271 ptimer_run(env->tick, 1);
272 env->stick_cmpr = TICK_INT_DIS | 0;
273 ptimer_set_limit(env->stick, TICK_MAX, 1);
274 ptimer_run(env->stick, 1);
275 env->hstick_cmpr = TICK_INT_DIS | 0;
276 ptimer_set_limit(env->hstick, TICK_MAX, 1);
277 ptimer_run(env->hstick, 1);
278 env->gregs[1] = 0; // Memory start
279 env->gregs[2] = ram_size; // Memory size
280 env->gregs[3] = 0; // Machine description XXX
281 env->pc = s->reset_addr;
282 env->npc = env->pc + 4;
285 static void tick_irq(void *opaque)
287 CPUState *env = opaque;
289 if (!(env->tick_cmpr & TICK_INT_DIS)) {
290 env->softint |= SOFTINT_TIMER;
291 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
295 static void stick_irq(void *opaque)
297 CPUState *env = opaque;
299 if (!(env->stick_cmpr & TICK_INT_DIS)) {
300 env->softint |= SOFTINT_STIMER;
301 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
305 static void hstick_irq(void *opaque)
307 CPUState *env = opaque;
309 if (!(env->hstick_cmpr & TICK_INT_DIS)) {
310 cpu_interrupt(env, CPU_INTERRUPT_TIMER);
314 void cpu_tick_set_count(void *opaque, uint64_t count)
316 ptimer_set_count(opaque, -count);
319 uint64_t cpu_tick_get_count(void *opaque)
321 return -ptimer_get_count(opaque);
324 void cpu_tick_set_limit(void *opaque, uint64_t limit)
326 ptimer_set_limit(opaque, -limit, 0);
329 static const int ide_iobase[2] = { 0x1f0, 0x170 };
330 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
331 static const int ide_irq[2] = { 14, 15 };
333 static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
334 static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
336 static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
337 static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
339 static fdctrl_t *floppy_controller;
341 static void ebus_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
342 uint32_t addr, uint32_t size, int type)
344 DPRINTF("Mapping region %d registers at %08x\n", region_num, addr);
345 switch (region_num) {
347 isa_mmio_init(addr, 0x1000000);
350 isa_mmio_init(addr, 0x800000);
355 /* EBUS (Eight bit bus) bridge */
357 pci_ebus_init(PCIBus *bus, int devfn)
359 pci_create_simple(bus, devfn, "ebus");
363 pci_ebus_init1(PCIDevice *s)
365 pci_config_set_vendor_id(s->config, PCI_VENDOR_ID_SUN);
366 pci_config_set_device_id(s->config, PCI_DEVICE_ID_SUN_EBUS);
367 s->config[0x04] = 0x06; // command = bus master, pci mem
368 s->config[0x05] = 0x00;
369 s->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
370 s->config[0x07] = 0x03; // status = medium devsel
371 s->config[0x08] = 0x01; // revision
372 s->config[0x09] = 0x00; // programming i/f
373 pci_config_set_class(s->config, PCI_CLASS_BRIDGE_OTHER);
374 s->config[0x0D] = 0x0a; // latency_timer
375 s->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
377 pci_register_bar(s, 0, 0x1000000, PCI_ADDRESS_SPACE_MEM,
379 pci_register_bar(s, 1, 0x800000, PCI_ADDRESS_SPACE_MEM,
383 static PCIDeviceInfo ebus_info = {
385 .qdev.size = sizeof(PCIDevice),
386 .init = pci_ebus_init1,
389 static void pci_ebus_register(void)
391 pci_qdev_register(&ebus_info);
394 device_init(pci_ebus_register);
396 /* Boot PROM (OpenBIOS) */
397 static void prom_init(target_phys_addr_t addr, const char *bios_name)
404 dev = qdev_create(NULL, "openprom");
406 s = sysbus_from_qdev(dev);
408 sysbus_mmio_map(s, 0, addr);
411 if (bios_name == NULL) {
412 bios_name = PROM_FILENAME;
414 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
416 ret = load_elf(filename, addr - PROM_VADDR, NULL, NULL, NULL);
417 if (ret < 0 || ret > PROM_SIZE_MAX) {
418 ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
424 if (ret < 0 || ret > PROM_SIZE_MAX) {
425 fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
430 static void prom_init1(SysBusDevice *dev)
432 ram_addr_t prom_offset;
434 prom_offset = qemu_ram_alloc(PROM_SIZE_MAX);
435 sysbus_init_mmio(dev, PROM_SIZE_MAX, prom_offset | IO_MEM_ROM);
438 static SysBusDeviceInfo prom_info = {
440 .qdev.name = "openprom",
441 .qdev.size = sizeof(SysBusDevice),
442 .qdev.props = (Property[]) {
443 {/* end of property list */}
447 static void prom_register_devices(void)
449 sysbus_register_withprop(&prom_info);
452 device_init(prom_register_devices);
455 typedef struct RamDevice
462 static void ram_init1(SysBusDevice *dev)
464 ram_addr_t RAM_size, ram_offset;
465 RamDevice *d = FROM_SYSBUS(RamDevice, dev);
469 ram_offset = qemu_ram_alloc(RAM_size);
470 sysbus_init_mmio(dev, RAM_size, ram_offset);
473 static void ram_init(target_phys_addr_t addr, ram_addr_t RAM_size)
480 dev = qdev_create(NULL, "memory");
481 s = sysbus_from_qdev(dev);
483 d = FROM_SYSBUS(RamDevice, s);
487 sysbus_mmio_map(s, 0, addr);
490 static SysBusDeviceInfo ram_info = {
492 .qdev.name = "memory",
493 .qdev.size = sizeof(RamDevice),
494 .qdev.props = (Property[]) {
497 .info = &qdev_prop_uint64,
498 .offset = offsetof(RamDevice, size),
500 {/* end of property list */}
504 static void ram_register_devices(void)
506 sysbus_register_withprop(&ram_info);
509 device_init(ram_register_devices);
511 static CPUState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
515 ResetData *reset_info;
518 cpu_model = hwdef->default_cpu_model;
519 env = cpu_init(cpu_model);
521 fprintf(stderr, "Unable to find Sparc CPU definition\n");
524 bh = qemu_bh_new(tick_irq, env);
525 env->tick = ptimer_init(bh);
526 ptimer_set_period(env->tick, 1ULL);
528 bh = qemu_bh_new(stick_irq, env);
529 env->stick = ptimer_init(bh);
530 ptimer_set_period(env->stick, 1ULL);
532 bh = qemu_bh_new(hstick_irq, env);
533 env->hstick = ptimer_init(bh);
534 ptimer_set_period(env->hstick, 1ULL);
536 reset_info = qemu_mallocz(sizeof(ResetData));
537 reset_info->env = env;
538 reset_info->reset_addr = hwdef->prom_addr + 0x40ULL;
539 qemu_register_reset(main_cpu_reset, reset_info);
540 main_cpu_reset(reset_info);
541 // Override warm reset address with cold start address
542 env->pc = hwdef->prom_addr + 0x20ULL;
543 env->npc = env->pc + 4;
548 static void sun4uv_init(ram_addr_t RAM_size,
549 const char *boot_devices,
550 const char *kernel_filename, const char *kernel_cmdline,
551 const char *initrd_filename, const char *cpu_model,
552 const struct hwdef *hwdef)
557 long initrd_size, kernel_size;
558 PCIBus *pci_bus, *pci_bus2, *pci_bus3;
561 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
562 BlockDriverState *fd[MAX_FD];
566 env = cpu_devinit(cpu_model, hwdef);
569 ram_init(0, RAM_size);
571 prom_init(hwdef->prom_addr, bios_name);
574 irq = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
575 pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, irq, &pci_bus2,
577 isa_mem_base = VGA_BASE;
578 pci_vga_init(pci_bus, 0, 0);
580 // XXX Should be pci_bus3
581 pci_ebus_init(pci_bus, -1);
584 if (hwdef->console_serial_base) {
585 serial_mm_init(hwdef->console_serial_base, 0, NULL, 115200,
589 for(; i < MAX_SERIAL_PORTS; i++) {
591 serial_init(serial_io[i], NULL/*serial_irq[i]*/, 115200,
596 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
597 if (parallel_hds[i]) {
598 parallel_init(parallel_io[i], NULL/*parallel_irq[i]*/,
603 for(i = 0; i < nb_nics; i++)
604 pci_nic_init(&nd_table[i], "ne2k_pci", NULL);
606 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
607 fprintf(stderr, "qemu: too many IDE bus\n");
610 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
611 drive_index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS,
613 if (drive_index != -1)
614 hd[i] = drives_table[drive_index].bdrv;
619 pci_cmd646_ide_init(pci_bus, hd, 1);
621 /* FIXME: wire up interrupts. */
622 i8042_init(NULL/*1*/, NULL/*12*/, 0x60);
623 for(i = 0; i < MAX_FD; i++) {
624 drive_index = drive_get_index(IF_FLOPPY, 0, i);
625 if (drive_index != -1)
626 fd[i] = drives_table[drive_index].bdrv;
630 floppy_controller = fdctrl_init(NULL/*6*/, 2, 0, 0x3f0, fd);
631 nvram = m48t59_init(NULL/*8*/, 0, 0x0074, NVRAM_SIZE, 59);
634 kernel_size = sun4u_load_kernel(kernel_filename, initrd_filename,
635 ram_size, &initrd_size);
637 sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", RAM_size, boot_devices,
638 KERNEL_LOAD_ADDR, kernel_size,
640 INITRD_LOAD_ADDR, initrd_size,
641 /* XXX: need an option to load a NVRAM image */
643 graphic_width, graphic_height, graphic_depth,
644 (uint8_t *)&nd_table[0].macaddr);
646 fw_cfg = fw_cfg_init(BIOS_CFG_IOPORT, BIOS_CFG_IOPORT + 1, 0, 0);
647 fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
648 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
649 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
650 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
651 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
652 if (kernel_cmdline) {
653 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
654 pstrcpy_targphys(CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
656 fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
658 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
659 fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, initrd_size);
660 fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_devices[0]);
661 qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
670 static const struct hwdef hwdefs[] = {
671 /* Sun4u generic PC-like machine */
673 .default_cpu_model = "TI UltraSparc II",
674 .machine_id = sun4u_id,
675 .prom_addr = 0x1fff0000000ULL,
676 .console_serial_base = 0,
678 /* Sun4v generic PC-like machine */
680 .default_cpu_model = "Sun UltraSparc T1",
681 .machine_id = sun4v_id,
682 .prom_addr = 0x1fff0000000ULL,
683 .console_serial_base = 0,
685 /* Sun4v generic Niagara machine */
687 .default_cpu_model = "Sun UltraSparc T1",
688 .machine_id = niagara_id,
689 .prom_addr = 0xfff0000000ULL,
690 .console_serial_base = 0xfff0c2c000ULL,
694 /* Sun4u hardware initialisation */
695 static void sun4u_init(ram_addr_t RAM_size,
696 const char *boot_devices,
697 const char *kernel_filename, const char *kernel_cmdline,
698 const char *initrd_filename, const char *cpu_model)
700 sun4uv_init(RAM_size, boot_devices, kernel_filename,
701 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[0]);
704 /* Sun4v hardware initialisation */
705 static void sun4v_init(ram_addr_t RAM_size,
706 const char *boot_devices,
707 const char *kernel_filename, const char *kernel_cmdline,
708 const char *initrd_filename, const char *cpu_model)
710 sun4uv_init(RAM_size, boot_devices, kernel_filename,
711 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[1]);
714 /* Niagara hardware initialisation */
715 static void niagara_init(ram_addr_t RAM_size,
716 const char *boot_devices,
717 const char *kernel_filename, const char *kernel_cmdline,
718 const char *initrd_filename, const char *cpu_model)
720 sun4uv_init(RAM_size, boot_devices, kernel_filename,
721 kernel_cmdline, initrd_filename, cpu_model, &hwdefs[2]);
724 static QEMUMachine sun4u_machine = {
726 .desc = "Sun4u platform",
728 .max_cpus = 1, // XXX for now
732 static QEMUMachine sun4v_machine = {
734 .desc = "Sun4v platform",
736 .max_cpus = 1, // XXX for now
739 static QEMUMachine niagara_machine = {
741 .desc = "Sun4v platform, Niagara",
742 .init = niagara_init,
743 .max_cpus = 1, // XXX for now
746 static void sun4u_machine_init(void)
748 qemu_register_machine(&sun4u_machine);
749 qemu_register_machine(&sun4v_machine);
750 qemu_register_machine(&niagara_machine);
753 machine_init(sun4u_machine_init);