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"
39 #define DPRINTF(fmt, args...) \
40 do { printf("CPUIRQ: " fmt , ##args); } while (0)
42 #define DPRINTF(fmt, args...)
45 #define KERNEL_LOAD_ADDR 0x00404000
46 #define CMDLINE_ADDR 0x003ff000
47 #define INITRD_LOAD_ADDR 0x00300000
48 #define PROM_SIZE_MAX (4 * 1024 * 1024)
49 #define PROM_VADDR 0x000ffd00000ULL
50 #define APB_SPECIAL_BASE 0x1fe00000000ULL
51 #define APB_MEM_BASE 0x1ff00000000ULL
52 #define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
53 #define PROM_FILENAME "openbios-sparc64"
54 #define NVRAM_SIZE 0x2000
56 #define BIOS_CFG_IOPORT 0x510
60 #define TICK_INT_DIS 0x8000000000000000ULL
61 #define TICK_MAX 0x7fffffffffffffffULL
64 const char * const default_cpu_model
;
67 uint64_t console_serial_base
;
70 int DMA_get_channel_mode (int nchan
)
74 int DMA_read_memory (int nchan
, void *buf
, int pos
, int size
)
78 int DMA_write_memory (int nchan
, void *buf
, int pos
, int size
)
82 void DMA_hold_DREQ (int nchan
) {}
83 void DMA_release_DREQ (int nchan
) {}
84 void DMA_schedule(int nchan
) {}
85 void DMA_init (int high_page_enable
) {}
86 void DMA_register_channel (int nchan
,
87 DMA_transfer_handler transfer_handler
,
92 static int nvram_boot_set(void *opaque
, const char *boot_device
)
95 uint8_t image
[sizeof(ohwcfg_v3_t
)];
96 ohwcfg_v3_t
*header
= (ohwcfg_v3_t
*)&image
;
97 m48t59_t
*nvram
= (m48t59_t
*)opaque
;
99 for (i
= 0; i
< sizeof(image
); i
++)
100 image
[i
] = m48t59_read(nvram
, i
) & 0xff;
102 pstrcpy((char *)header
->boot_devices
, sizeof(header
->boot_devices
),
104 header
->nboot_devices
= strlen(boot_device
) & 0xff;
105 header
->crc
= cpu_to_be16(OHW_compute_crc(header
, 0x00, 0xF8));
107 for (i
= 0; i
< sizeof(image
); i
++)
108 m48t59_write(nvram
, i
, image
[i
]);
113 static int sun4u_NVRAM_set_params (m48t59_t
*nvram
, uint16_t NVRAM_size
,
116 const char *boot_devices
,
117 uint32_t kernel_image
, uint32_t kernel_size
,
119 uint32_t initrd_image
, uint32_t initrd_size
,
120 uint32_t NVRAM_image
,
121 int width
, int height
, int depth
,
122 const uint8_t *macaddr
)
126 uint8_t image
[0x1ff0];
127 ohwcfg_v3_t
*header
= (ohwcfg_v3_t
*)&image
;
128 struct sparc_arch_cfg
*sparc_header
;
129 struct OpenBIOS_nvpart_v1
*part_header
;
131 memset(image
, '\0', sizeof(image
));
133 // Try to match PPC NVRAM
134 pstrcpy((char *)header
->struct_ident
, sizeof(header
->struct_ident
),
136 header
->struct_version
= cpu_to_be32(3); /* structure v3 */
138 header
->nvram_size
= cpu_to_be16(NVRAM_size
);
139 header
->nvram_arch_ptr
= cpu_to_be16(sizeof(ohwcfg_v3_t
));
140 header
->nvram_arch_size
= cpu_to_be16(sizeof(struct sparc_arch_cfg
));
141 pstrcpy((char *)header
->arch
, sizeof(header
->arch
), arch
);
142 header
->nb_cpus
= smp_cpus
& 0xff;
143 header
->RAM0_base
= 0;
144 header
->RAM0_size
= cpu_to_be64((uint64_t)RAM_size
);
145 pstrcpy((char *)header
->boot_devices
, sizeof(header
->boot_devices
),
147 header
->nboot_devices
= strlen(boot_devices
) & 0xff;
148 header
->kernel_image
= cpu_to_be64((uint64_t)kernel_image
);
149 header
->kernel_size
= cpu_to_be64((uint64_t)kernel_size
);
151 pstrcpy_targphys(CMDLINE_ADDR
, TARGET_PAGE_SIZE
, cmdline
);
152 header
->cmdline
= cpu_to_be64((uint64_t)CMDLINE_ADDR
);
153 header
->cmdline_size
= cpu_to_be64((uint64_t)strlen(cmdline
));
155 header
->initrd_image
= cpu_to_be64((uint64_t)initrd_image
);
156 header
->initrd_size
= cpu_to_be64((uint64_t)initrd_size
);
157 header
->NVRAM_image
= cpu_to_be64((uint64_t)NVRAM_image
);
159 header
->width
= cpu_to_be16(width
);
160 header
->height
= cpu_to_be16(height
);
161 header
->depth
= cpu_to_be16(depth
);
163 header
->graphic_flags
= cpu_to_be16(OHW_GF_NOGRAPHICS
);
165 header
->crc
= cpu_to_be16(OHW_compute_crc(header
, 0x00, 0xF8));
167 // Architecture specific header
168 start
= sizeof(ohwcfg_v3_t
);
169 sparc_header
= (struct sparc_arch_cfg
*)&image
[start
];
170 sparc_header
->valid
= 0;
171 start
+= sizeof(struct sparc_arch_cfg
);
173 // OpenBIOS nvram variables
174 // Variable partition
175 part_header
= (struct OpenBIOS_nvpart_v1
*)&image
[start
];
176 part_header
->signature
= OPENBIOS_PART_SYSTEM
;
177 pstrcpy(part_header
->name
, sizeof(part_header
->name
), "system");
179 end
= start
+ sizeof(struct OpenBIOS_nvpart_v1
);
180 for (i
= 0; i
< nb_prom_envs
; i
++)
181 end
= OpenBIOS_set_var(image
, end
, prom_envs
[i
]);
186 end
= start
+ ((end
- start
+ 15) & ~15);
187 OpenBIOS_finish_partition(part_header
, end
- start
);
191 part_header
= (struct OpenBIOS_nvpart_v1
*)&image
[start
];
192 part_header
->signature
= OPENBIOS_PART_FREE
;
193 pstrcpy(part_header
->name
, sizeof(part_header
->name
), "free");
196 OpenBIOS_finish_partition(part_header
, end
- start
);
198 Sun_init_header((struct Sun_nvram
*)&image
[0x1fd8], macaddr
, 0x80);
200 for (i
= 0; i
< sizeof(image
); i
++)
201 m48t59_write(nvram
, i
, image
[i
]);
203 qemu_register_boot_set(nvram_boot_set
, nvram
);
216 void cpu_check_irqs(CPUState
*env
)
218 uint32_t pil
= env
->pil_in
| (env
->softint
& ~SOFTINT_TIMER
) |
219 ((env
->softint
& SOFTINT_TIMER
) << 14);
221 if (pil
&& (env
->interrupt_index
== 0 ||
222 (env
->interrupt_index
& ~15) == TT_EXTINT
)) {
225 for (i
= 15; i
> 0; i
--) {
226 if (pil
& (1 << i
)) {
227 int old_interrupt
= env
->interrupt_index
;
229 env
->interrupt_index
= TT_EXTINT
| i
;
230 if (old_interrupt
!= env
->interrupt_index
) {
231 DPRINTF("Set CPU IRQ %d\n", i
);
232 cpu_interrupt(env
, CPU_INTERRUPT_HARD
);
237 } else if (!pil
&& (env
->interrupt_index
& ~15) == TT_EXTINT
) {
238 DPRINTF("Reset CPU IRQ %d\n", env
->interrupt_index
& 15);
239 env
->interrupt_index
= 0;
240 cpu_reset_interrupt(env
, CPU_INTERRUPT_HARD
);
244 static void cpu_set_irq(void *opaque
, int irq
, int level
)
246 CPUState
*env
= opaque
;
249 DPRINTF("Raise CPU IRQ %d\n", irq
);
251 env
->pil_in
|= 1 << irq
;
254 DPRINTF("Lower CPU IRQ %d\n", irq
);
255 env
->pil_in
&= ~(1 << irq
);
260 void qemu_system_powerdown(void)
264 typedef struct ResetData
{
269 static void main_cpu_reset(void *opaque
)
271 ResetData
*s
= (ResetData
*)opaque
;
272 CPUState
*env
= s
->env
;
275 env
->tick_cmpr
= TICK_INT_DIS
| 0;
276 ptimer_set_limit(env
->tick
, TICK_MAX
, 1);
277 ptimer_run(env
->tick
, 0);
278 env
->stick_cmpr
= TICK_INT_DIS
| 0;
279 ptimer_set_limit(env
->stick
, TICK_MAX
, 1);
280 ptimer_run(env
->stick
, 0);
281 env
->hstick_cmpr
= TICK_INT_DIS
| 0;
282 ptimer_set_limit(env
->hstick
, TICK_MAX
, 1);
283 ptimer_run(env
->hstick
, 0);
284 env
->gregs
[1] = 0; // Memory start
285 env
->gregs
[2] = ram_size
; // Memory size
286 env
->gregs
[3] = 0; // Machine description XXX
287 env
->pc
= s
->reset_addr
;
288 env
->npc
= env
->pc
+ 4;
291 static void tick_irq(void *opaque
)
293 CPUState
*env
= opaque
;
295 if (!(env
->tick_cmpr
& TICK_INT_DIS
)) {
296 env
->softint
|= SOFTINT_TIMER
;
297 cpu_interrupt(env
, CPU_INTERRUPT_TIMER
);
301 static void stick_irq(void *opaque
)
303 CPUState
*env
= opaque
;
305 if (!(env
->stick_cmpr
& TICK_INT_DIS
)) {
306 env
->softint
|= SOFTINT_STIMER
;
307 cpu_interrupt(env
, CPU_INTERRUPT_TIMER
);
311 static void hstick_irq(void *opaque
)
313 CPUState
*env
= opaque
;
315 if (!(env
->hstick_cmpr
& TICK_INT_DIS
)) {
316 cpu_interrupt(env
, CPU_INTERRUPT_TIMER
);
320 void cpu_tick_set_count(void *opaque
, uint64_t count
)
322 ptimer_set_count(opaque
, -count
);
325 uint64_t cpu_tick_get_count(void *opaque
)
327 return -ptimer_get_count(opaque
);
330 void cpu_tick_set_limit(void *opaque
, uint64_t limit
)
332 ptimer_set_limit(opaque
, -limit
, 0);
335 static const int ide_iobase
[2] = { 0x1f0, 0x170 };
336 static const int ide_iobase2
[2] = { 0x3f6, 0x376 };
337 static const int ide_irq
[2] = { 14, 15 };
339 static const int serial_io
[MAX_SERIAL_PORTS
] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
340 static const int serial_irq
[MAX_SERIAL_PORTS
] = { 4, 3, 4, 3 };
342 static const int parallel_io
[MAX_PARALLEL_PORTS
] = { 0x378, 0x278, 0x3bc };
343 static const int parallel_irq
[MAX_PARALLEL_PORTS
] = { 7, 7, 7 };
345 static fdctrl_t
*floppy_controller
;
347 static void sun4uv_init(ram_addr_t RAM_size
, int vga_ram_size
,
348 const char *boot_devices
, DisplayState
*ds
,
349 const char *kernel_filename
, const char *kernel_cmdline
,
350 const char *initrd_filename
, const char *cpu_model
,
351 const struct hwdef
*hwdef
)
358 ram_addr_t ram_offset
, prom_offset
, vga_ram_offset
;
359 long initrd_size
, kernel_size
;
364 BlockDriverState
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
365 BlockDriverState
*fd
[MAX_FD
];
367 ResetData
*reset_info
;
369 linux_boot
= (kernel_filename
!= NULL
);
373 cpu_model
= hwdef
->default_cpu_model
;
375 env
= cpu_init(cpu_model
);
377 fprintf(stderr
, "Unable to find Sparc CPU definition\n");
380 bh
= qemu_bh_new(tick_irq
, env
);
381 env
->tick
= ptimer_init(bh
);
382 ptimer_set_period(env
->tick
, 1ULL);
384 bh
= qemu_bh_new(stick_irq
, env
);
385 env
->stick
= ptimer_init(bh
);
386 ptimer_set_period(env
->stick
, 1ULL);
388 bh
= qemu_bh_new(hstick_irq
, env
);
389 env
->hstick
= ptimer_init(bh
);
390 ptimer_set_period(env
->hstick
, 1ULL);
392 reset_info
= qemu_mallocz(sizeof(ResetData
));
393 reset_info
->env
= env
;
394 reset_info
->reset_addr
= hwdef
->prom_addr
+ 0x40ULL
;
395 qemu_register_reset(main_cpu_reset
, reset_info
);
396 main_cpu_reset(reset_info
);
397 // Override warm reset address with cold start address
398 env
->pc
= hwdef
->prom_addr
+ 0x20ULL
;
399 env
->npc
= env
->pc
+ 4;
402 ram_offset
= qemu_ram_alloc(RAM_size
);
403 cpu_register_physical_memory(0, RAM_size
, ram_offset
);
405 prom_offset
= qemu_ram_alloc(PROM_SIZE_MAX
);
406 cpu_register_physical_memory(hwdef
->prom_addr
,
407 (PROM_SIZE_MAX
+ TARGET_PAGE_SIZE
) &
409 prom_offset
| IO_MEM_ROM
);
411 if (bios_name
== NULL
)
412 bios_name
= PROM_FILENAME
;
413 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, bios_name
);
414 ret
= load_elf(buf
, hwdef
->prom_addr
- PROM_VADDR
, NULL
, NULL
, NULL
);
416 ret
= load_image_targphys(buf
, hwdef
->prom_addr
,
417 (PROM_SIZE_MAX
+ TARGET_PAGE_SIZE
) &
420 fprintf(stderr
, "qemu: could not load prom '%s'\n",
429 /* XXX: put correct offset */
430 kernel_size
= load_elf(kernel_filename
, 0, NULL
, NULL
, NULL
);
432 kernel_size
= load_aout(kernel_filename
, KERNEL_LOAD_ADDR
,
433 ram_size
- KERNEL_LOAD_ADDR
);
435 kernel_size
= load_image_targphys(kernel_filename
,
437 ram_size
- KERNEL_LOAD_ADDR
);
438 if (kernel_size
< 0) {
439 fprintf(stderr
, "qemu: could not load kernel '%s'\n",
445 if (initrd_filename
) {
446 initrd_size
= load_image_targphys(initrd_filename
,
448 ram_size
- INITRD_LOAD_ADDR
);
449 if (initrd_size
< 0) {
450 fprintf(stderr
, "qemu: could not load initial ram disk '%s'\n",
455 if (initrd_size
> 0) {
456 for (i
= 0; i
< 64 * TARGET_PAGE_SIZE
; i
+= TARGET_PAGE_SIZE
) {
457 if (ldl_phys(KERNEL_LOAD_ADDR
+ i
) == 0x48647253) { // HdrS
458 stl_phys(KERNEL_LOAD_ADDR
+ i
+ 16, INITRD_LOAD_ADDR
);
459 stl_phys(KERNEL_LOAD_ADDR
+ i
+ 20, initrd_size
);
465 pci_bus
= pci_apb_init(APB_SPECIAL_BASE
, APB_MEM_BASE
, NULL
);
466 isa_mem_base
= VGA_BASE
;
467 vga_ram_offset
= qemu_ram_alloc(vga_ram_size
);
468 pci_cirrus_vga_init(pci_bus
, ds
, phys_ram_base
+ vga_ram_offset
,
469 vga_ram_offset
, vga_ram_size
);
472 if (hwdef
->console_serial_base
) {
473 serial_mm_init(hwdef
->console_serial_base
, 0, NULL
, 115200,
477 for(; i
< MAX_SERIAL_PORTS
; i
++) {
479 serial_init(serial_io
[i
], NULL
/*serial_irq[i]*/, 115200,
484 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
485 if (parallel_hds
[i
]) {
486 parallel_init(parallel_io
[i
], NULL
/*parallel_irq[i]*/,
491 for(i
= 0; i
< nb_nics
; i
++) {
492 if (!nd_table
[i
].model
)
493 nd_table
[i
].model
= "ne2k_pci";
494 pci_nic_init(pci_bus
, &nd_table
[i
], -1);
497 irq
= qemu_allocate_irqs(cpu_set_irq
, env
, MAX_PILS
);
498 if (drive_get_max_bus(IF_IDE
) >= MAX_IDE_BUS
) {
499 fprintf(stderr
, "qemu: too many IDE bus\n");
502 for(i
= 0; i
< MAX_IDE_BUS
* MAX_IDE_DEVS
; i
++) {
503 drive_index
= drive_get_index(IF_IDE
, i
/ MAX_IDE_DEVS
,
505 if (drive_index
!= -1)
506 hd
[i
] = drives_table
[drive_index
].bdrv
;
511 // XXX pci_cmd646_ide_init(pci_bus, hd, 1);
512 pci_piix3_ide_init(pci_bus
, hd
, -1, irq
);
513 /* FIXME: wire up interrupts. */
514 i8042_init(NULL
/*1*/, NULL
/*12*/, 0x60);
515 for(i
= 0; i
< MAX_FD
; i
++) {
516 drive_index
= drive_get_index(IF_FLOPPY
, 0, i
);
517 if (drive_index
!= -1)
518 fd
[i
] = drives_table
[drive_index
].bdrv
;
522 floppy_controller
= fdctrl_init(NULL
/*6*/, 2, 0, 0x3f0, fd
);
523 nvram
= m48t59_init(NULL
/*8*/, 0, 0x0074, NVRAM_SIZE
, 59);
524 sun4u_NVRAM_set_params(nvram
, NVRAM_SIZE
, "Sun4u", RAM_size
, boot_devices
,
525 KERNEL_LOAD_ADDR
, kernel_size
,
527 INITRD_LOAD_ADDR
, initrd_size
,
528 /* XXX: need an option to load a NVRAM image */
530 graphic_width
, graphic_height
, graphic_depth
,
531 (uint8_t *)&nd_table
[0].macaddr
);
533 fw_cfg
= fw_cfg_init(BIOS_CFG_IOPORT
, BIOS_CFG_IOPORT
+ 1, 0, 0);
534 fw_cfg_add_i32(fw_cfg
, FW_CFG_ID
, 1);
535 fw_cfg_add_i64(fw_cfg
, FW_CFG_RAM_SIZE
, (uint64_t)ram_size
);
536 fw_cfg_add_i16(fw_cfg
, FW_CFG_MACHINE_ID
, hwdef
->machine_id
);
545 static const struct hwdef hwdefs
[] = {
546 /* Sun4u generic PC-like machine */
548 .default_cpu_model
= "TI UltraSparc II",
549 .machine_id
= sun4u_id
,
550 .prom_addr
= 0x1fff0000000ULL
,
551 .console_serial_base
= 0,
553 /* Sun4v generic PC-like machine */
555 .default_cpu_model
= "Sun UltraSparc T1",
556 .machine_id
= sun4v_id
,
557 .prom_addr
= 0x1fff0000000ULL
,
558 .console_serial_base
= 0,
560 /* Sun4v generic Niagara machine */
562 .default_cpu_model
= "Sun UltraSparc T1",
563 .machine_id
= niagara_id
,
564 .prom_addr
= 0xfff0000000ULL
,
565 .console_serial_base
= 0xfff0c2c000ULL
,
569 /* Sun4u hardware initialisation */
570 static void sun4u_init(ram_addr_t RAM_size
, int vga_ram_size
,
571 const char *boot_devices
, DisplayState
*ds
,
572 const char *kernel_filename
, const char *kernel_cmdline
,
573 const char *initrd_filename
, const char *cpu_model
)
575 sun4uv_init(RAM_size
, vga_ram_size
, boot_devices
, ds
, kernel_filename
,
576 kernel_cmdline
, initrd_filename
, cpu_model
, &hwdefs
[0]);
579 /* Sun4v hardware initialisation */
580 static void sun4v_init(ram_addr_t RAM_size
, int vga_ram_size
,
581 const char *boot_devices
, DisplayState
*ds
,
582 const char *kernel_filename
, const char *kernel_cmdline
,
583 const char *initrd_filename
, const char *cpu_model
)
585 sun4uv_init(RAM_size
, vga_ram_size
, boot_devices
, ds
, kernel_filename
,
586 kernel_cmdline
, initrd_filename
, cpu_model
, &hwdefs
[1]);
589 /* Niagara hardware initialisation */
590 static void niagara_init(ram_addr_t RAM_size
, int vga_ram_size
,
591 const char *boot_devices
, DisplayState
*ds
,
592 const char *kernel_filename
, const char *kernel_cmdline
,
593 const char *initrd_filename
, const char *cpu_model
)
595 sun4uv_init(RAM_size
, vga_ram_size
, boot_devices
, ds
, kernel_filename
,
596 kernel_cmdline
, initrd_filename
, cpu_model
, &hwdefs
[2]);
599 QEMUMachine sun4u_machine
= {
601 .desc
= "Sun4u platform",
603 .ram_require
= PROM_SIZE_MAX
+ VGA_RAM_SIZE
,
605 .max_cpus
= 1, // XXX for now
608 QEMUMachine sun4v_machine
= {
610 .desc
= "Sun4v platform",
612 .ram_require
= PROM_SIZE_MAX
+ VGA_RAM_SIZE
,
614 .max_cpus
= 1, // XXX for now
617 QEMUMachine niagara_machine
= {
619 .desc
= "Sun4v platform, Niagara",
620 .init
= niagara_init
,
621 .ram_require
= PROM_SIZE_MAX
+ VGA_RAM_SIZE
,
623 .max_cpus
= 1, // XXX for now