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_ADDR 0x1fff0000000ULL
31 #define APB_SPECIAL_BASE 0x1fe00000000ULL
32 #define APB_MEM_BASE 0x1ff00000000ULL
33 #define VGA_BASE (APB_MEM_BASE + 0x400000ULL)
34 #define PROM_FILENAMEB "proll-sparc64.bin"
35 #define PROM_FILENAMEE "proll-sparc64.elf"
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 const int ide_iobase[2] = { 0x1f0, 0x170 };
239 static const int ide_iobase2[2] = { 0x3f6, 0x376 };
240 static const int ide_irq[2] = { 14, 15 };
242 static const int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
243 static const int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
245 static const int parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
246 static const int parallel_irq[MAX_PARALLEL_PORTS] = { 7, 7, 7 };
248 static fdctrl_t *floppy_controller;
250 /* Sun4u hardware initialisation */
251 static void sun4u_init(int ram_size, int vga_ram_size, int boot_device,
252 DisplayState *ds, const char **fd_filename, int snapshot,
253 const char *kernel_filename, const char *kernel_cmdline,
254 const char *initrd_filename)
260 long prom_offset, initrd_size, kernel_size;
263 linux_boot = (kernel_filename != NULL);
266 cpu_register_physical_memory(0, ram_size, 0);
268 prom_offset = ram_size + vga_ram_size;
270 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAMEE);
271 ret = load_elf(buf, phys_ram_base + prom_offset);
273 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, PROM_FILENAMEB);
274 ret = load_image(buf, phys_ram_base + prom_offset);
277 fprintf(stderr, "qemu: could not load prom '%s'\n",
281 cpu_register_physical_memory(PROM_ADDR, (ret + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK,
282 prom_offset | IO_MEM_ROM);
287 kernel_size = load_elf(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
289 kernel_size = load_aout(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
291 kernel_size = load_image(kernel_filename, phys_ram_base + KERNEL_LOAD_ADDR);
292 if (kernel_size < 0) {
293 fprintf(stderr, "qemu: could not load kernel '%s'\n",
299 if (initrd_filename) {
300 initrd_size = load_image(initrd_filename, phys_ram_base + INITRD_LOAD_ADDR);
301 if (initrd_size < 0) {
302 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
307 if (initrd_size > 0) {
308 for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
309 if (ldl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i)
310 == 0x48647253) { // HdrS
311 stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 16, INITRD_LOAD_ADDR);
312 stl_raw(phys_ram_base + KERNEL_LOAD_ADDR + i + 20, initrd_size);
318 pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE);
319 isa_mem_base = VGA_BASE;
320 vga_initialize(pci_bus, ds, phys_ram_base + ram_size, ram_size,
322 cpu_register_physical_memory(VGA_BASE, vga_ram_size, ram_size);
323 //pci_cirrus_vga_init(pci_bus, ds, phys_ram_base + ram_size, ram_size, vga_ram_size);
325 for(i = 0; i < MAX_SERIAL_PORTS; i++) {
327 serial_init(serial_io[i], serial_irq[i], serial_hds[i]);
331 for(i = 0; i < MAX_PARALLEL_PORTS; i++) {
332 if (parallel_hds[i]) {
333 parallel_init(parallel_io[i], parallel_irq[i], parallel_hds[i]);
337 for(i = 0; i < nb_nics; i++) {
338 pci_ne2000_init(pci_bus, &nd_table[i]);
341 pci_cmd646_ide_init(pci_bus, bs_table, 1);
343 floppy_controller = fdctrl_init(6, 2, 0, 0x3f0, fd_table);
344 nvram = m48t59_init(8, 0, 0x0074, NVRAM_SIZE, 59);
345 sun4u_NVRAM_set_params(nvram, NVRAM_SIZE, "Sun4u", ram_size, boot_device,
346 KERNEL_LOAD_ADDR, kernel_size,
348 INITRD_LOAD_ADDR, initrd_size,
349 /* XXX: need an option to load a NVRAM image */
351 graphic_width, graphic_height, graphic_depth);
355 QEMUMachine sun4u_machine = {