2 * QEMU Sun4u 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
27 #define KERNEL_LOAD_ADDR 0x00404000
28 #define CMDLINE_ADDR 0x003ff000
29 #define INITRD_LOAD_ADDR 0x00300000
30 #define PROM_SIZE_MAX (512 * 1024)
31 #define PROM_ADDR 0x1fff0000000ULL
32 #define APB_SPECIAL_BASE 0x1fe00000000ULL
33 #define APB_MEM_BASE 0x1ff00000000ULL
34 #define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
35 #define PROM_FILENAME "openbios-sparc64"
36 #define NVRAM_SIZE 0x2000
40 uint64_t cpu_get_tsc()
42 return qemu_get_clock(vm_clock
);
45 int DMA_get_channel_mode (int nchan
)
49 int DMA_read_memory (int nchan
, void *buf
, int pos
, int size
)
53 int DMA_write_memory (int nchan
, void *buf
, int pos
, int size
)
57 void DMA_hold_DREQ (int nchan
) {}
58 void DMA_release_DREQ (int nchan
) {}
59 void DMA_schedule(int nchan
) {}
60 void DMA_run (void) {}
61 void DMA_init (int high_page_enable
) {}
62 void DMA_register_channel (int nchan
,
63 DMA_transfer_handler transfer_handler
,
69 void NVRAM_set_byte (m48t59_t
*nvram
, uint32_t addr
, uint8_t value
)
71 m48t59_write(nvram
, addr
, value
);
74 uint8_t NVRAM_get_byte (m48t59_t
*nvram
, uint32_t addr
)
76 return m48t59_read(nvram
, addr
);
79 void NVRAM_set_word (m48t59_t
*nvram
, uint32_t addr
, uint16_t value
)
81 m48t59_write(nvram
, addr
, value
>> 8);
82 m48t59_write(nvram
, addr
+ 1, value
& 0xFF);
85 uint16_t NVRAM_get_word (m48t59_t
*nvram
, uint32_t addr
)
89 tmp
= m48t59_read(nvram
, addr
) << 8;
90 tmp
|= m48t59_read(nvram
, addr
+ 1);
95 void NVRAM_set_lword (m48t59_t
*nvram
, uint32_t addr
, uint32_t value
)
97 m48t59_write(nvram
, addr
, value
>> 24);
98 m48t59_write(nvram
, addr
+ 1, (value
>> 16) & 0xFF);
99 m48t59_write(nvram
, addr
+ 2, (value
>> 8) & 0xFF);
100 m48t59_write(nvram
, addr
+ 3, value
& 0xFF);
103 uint32_t NVRAM_get_lword (m48t59_t
*nvram
, uint32_t addr
)
107 tmp
= m48t59_read(nvram
, addr
) << 24;
108 tmp
|= m48t59_read(nvram
, addr
+ 1) << 16;
109 tmp
|= m48t59_read(nvram
, addr
+ 2) << 8;
110 tmp
|= m48t59_read(nvram
, addr
+ 3);
115 void NVRAM_set_string (m48t59_t
*nvram
, uint32_t addr
,
116 const unsigned char *str
, uint32_t max
)
120 for (i
= 0; i
< max
&& str
[i
] != '\0'; i
++) {
121 m48t59_write(nvram
, addr
+ i
, str
[i
]);
123 m48t59_write(nvram
, addr
+ max
- 1, '\0');
126 int NVRAM_get_string (m48t59_t
*nvram
, uint8_t *dst
, uint16_t addr
, int max
)
131 for (i
= 0; i
< max
; i
++) {
132 dst
[i
] = NVRAM_get_byte(nvram
, addr
+ i
);
140 static uint16_t NVRAM_crc_update (uint16_t prev
, uint16_t value
)
143 uint16_t pd
, pd1
, pd2
;
148 pd2
= ((pd
>> 4) & 0x000F) ^ pd1
;
149 tmp
^= (pd1
<< 3) | (pd1
<< 8);
150 tmp
^= pd2
| (pd2
<< 7) | (pd2
<< 12);
155 uint16_t NVRAM_compute_crc (m48t59_t
*nvram
, uint32_t start
, uint32_t count
)
158 uint16_t crc
= 0xFFFF;
163 for (i
= 0; i
!= count
; i
++) {
164 crc
= NVRAM_crc_update(crc
, NVRAM_get_word(nvram
, start
+ i
));
167 crc
= NVRAM_crc_update(crc
, NVRAM_get_byte(nvram
, start
+ i
) << 8);
173 extern int nographic
;
175 int sun4u_NVRAM_set_params (m48t59_t
*nvram
, uint16_t NVRAM_size
,
176 const unsigned char *arch
,
177 uint32_t RAM_size
, int boot_device
,
178 uint32_t kernel_image
, uint32_t kernel_size
,
180 uint32_t initrd_image
, uint32_t initrd_size
,
181 uint32_t NVRAM_image
,
182 int width
, int height
, int depth
)
186 /* Set parameters for Open Hack'Ware BIOS */
187 NVRAM_set_string(nvram
, 0x00, "QEMU_BIOS", 16);
188 NVRAM_set_lword(nvram
, 0x10, 0x00000002); /* structure v2 */
189 NVRAM_set_word(nvram
, 0x14, NVRAM_size
);
190 NVRAM_set_string(nvram
, 0x20, arch
, 16);
191 NVRAM_set_byte(nvram
, 0x2f, nographic
& 0xff);
192 NVRAM_set_lword(nvram
, 0x30, RAM_size
);
193 NVRAM_set_byte(nvram
, 0x34, boot_device
);
194 NVRAM_set_lword(nvram
, 0x38, kernel_image
);
195 NVRAM_set_lword(nvram
, 0x3C, kernel_size
);
197 /* XXX: put the cmdline in NVRAM too ? */
198 strcpy(phys_ram_base
+ CMDLINE_ADDR
, cmdline
);
199 NVRAM_set_lword(nvram
, 0x40, CMDLINE_ADDR
);
200 NVRAM_set_lword(nvram
, 0x44, strlen(cmdline
));
202 NVRAM_set_lword(nvram
, 0x40, 0);
203 NVRAM_set_lword(nvram
, 0x44, 0);
205 NVRAM_set_lword(nvram
, 0x48, initrd_image
);
206 NVRAM_set_lword(nvram
, 0x4C, initrd_size
);
207 NVRAM_set_lword(nvram
, 0x50, NVRAM_image
);
209 NVRAM_set_word(nvram
, 0x54, width
);
210 NVRAM_set_word(nvram
, 0x56, height
);
211 NVRAM_set_word(nvram
, 0x58, depth
);
212 crc
= NVRAM_compute_crc(nvram
, 0x00, 0xF8);
213 NVRAM_set_word(nvram
, 0xFC, crc
);
226 void pic_set_irq(int irq
, int level
)
230 void pic_set_irq_new(void *opaque
, int irq
, int level
)
234 void qemu_system_powerdown(void)
238 static void main_cpu_reset(void *opaque
)
240 CPUState
*env
= opaque
;
244 static const int ide_iobase
[2] = { 0x1f0, 0x170 };
245 static const int ide_iobase2
[2] = { 0x3f6, 0x376 };
246 static const int ide_irq
[2] = { 14, 15 };
248 static const int serial_io
[MAX_SERIAL_PORTS
] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
249 static const int serial_irq
[MAX_SERIAL_PORTS
] = { 4, 3, 4, 3 };
251 static const int parallel_io
[MAX_PARALLEL_PORTS
] = { 0x378, 0x278, 0x3bc };
252 static const int parallel_irq
[MAX_PARALLEL_PORTS
] = { 7, 7, 7 };
254 static fdctrl_t
*floppy_controller
;
256 /* Sun4u hardware initialisation */
257 static void sun4u_init(int ram_size
, int vga_ram_size
, int boot_device
,
258 DisplayState
*ds
, const char **fd_filename
, int snapshot
,
259 const char *kernel_filename
, const char *kernel_cmdline
,
260 const char *initrd_filename
)
267 long prom_offset
, initrd_size
, kernel_size
;
270 linux_boot
= (kernel_filename
!= NULL
);
273 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
274 qemu_register_reset(main_cpu_reset
, env
);
277 cpu_register_physical_memory(0, ram_size
, 0);
279 prom_offset
= ram_size
+ vga_ram_size
;
280 cpu_register_physical_memory(PROM_ADDR
,
281 (PROM_SIZE_MAX
+ TARGET_PAGE_SIZE
) & TARGET_PAGE_MASK
,
282 prom_offset
| IO_MEM_ROM
);
284 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, PROM_FILENAME
);
285 ret
= load_elf(buf
, 0, NULL
);
287 fprintf(stderr
, "qemu: could not load prom '%s'\n",
295 /* XXX: put correct offset */
296 kernel_size
= load_elf(kernel_filename
, 0, NULL
);
298 kernel_size
= load_aout(kernel_filename
, phys_ram_base
+ KERNEL_LOAD_ADDR
);
300 kernel_size
= load_image(kernel_filename
, phys_ram_base
+ KERNEL_LOAD_ADDR
);
301 if (kernel_size
< 0) {
302 fprintf(stderr
, "qemu: could not load kernel '%s'\n",
308 if (initrd_filename
) {
309 initrd_size
= load_image(initrd_filename
, phys_ram_base
+ INITRD_LOAD_ADDR
);
310 if (initrd_size
< 0) {
311 fprintf(stderr
, "qemu: could not load initial ram disk '%s'\n",
316 if (initrd_size
> 0) {
317 for (i
= 0; i
< 64 * TARGET_PAGE_SIZE
; i
+= TARGET_PAGE_SIZE
) {
318 if (ldl_raw(phys_ram_base
+ KERNEL_LOAD_ADDR
+ i
)
319 == 0x48647253) { // HdrS
320 stl_raw(phys_ram_base
+ KERNEL_LOAD_ADDR
+ i
+ 16, INITRD_LOAD_ADDR
);
321 stl_raw(phys_ram_base
+ KERNEL_LOAD_ADDR
+ i
+ 20, initrd_size
);
327 pci_bus
= pci_apb_init(APB_SPECIAL_BASE
, APB_MEM_BASE
, NULL
);
328 isa_mem_base
= VGA_BASE
;
329 pci_cirrus_vga_init(pci_bus
, ds
, phys_ram_base
+ ram_size
, ram_size
, vga_ram_size
);
331 for(i
= 0; i
< MAX_SERIAL_PORTS
; i
++) {
333 serial_init(&pic_set_irq_new
, NULL
,
334 serial_io
[i
], serial_irq
[i
], serial_hds
[i
]);
338 for(i
= 0; i
< MAX_PARALLEL_PORTS
; i
++) {
339 if (parallel_hds
[i
]) {
340 parallel_init(parallel_io
[i
], parallel_irq
[i
], parallel_hds
[i
]);
344 for(i
= 0; i
< nb_nics
; i
++) {
345 if (!nd_table
[i
].model
)
346 nd_table
[i
].model
= "ne2k_pci";
347 pci_nic_init(pci_bus
, &nd_table
[i
], -1);
350 pci_cmd646_ide_init(pci_bus
, bs_table
, 1);
352 floppy_controller
= fdctrl_init(6, 2, 0, 0x3f0, fd_table
);
353 nvram
= m48t59_init(8, 0, 0x0074, NVRAM_SIZE
, 59);
354 sun4u_NVRAM_set_params(nvram
, NVRAM_SIZE
, "Sun4u", ram_size
, boot_device
,
355 KERNEL_LOAD_ADDR
, kernel_size
,
357 INITRD_LOAD_ADDR
, initrd_size
,
358 /* XXX: need an option to load a NVRAM image */
360 graphic_width
, graphic_height
, graphic_depth
);
364 QEMUMachine sun4u_machine
= {