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Emit and use adhoc function descriptor for code_gen_prologue on PPC64
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64201201 1/*
3cbee15b 2 * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
5fafdf24 3 *
47103572 4 * Copyright (c) 2004-2007 Fabrice Bellard
3cbee15b 5 * Copyright (c) 2007 Jocelyn Mayer
5fafdf24 6 *
64201201
FB
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
87ecb68b
PB
25#include "hw.h"
26#include "ppc.h"
3cbee15b 27#include "ppc_mac.h"
87ecb68b
PB
28#include "nvram.h"
29#include "pc.h"
30#include "pci.h"
31#include "net.h"
32#include "sysemu.h"
33#include "boards.h"
267002cd 34
e4bcb14c
TS
35#define MAX_IDE_BUS 2
36
0aa6a4a2
FB
37/* UniN device */
38static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
39{
40}
41
42static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
43{
44 return 0;
45}
46
47static CPUWriteMemoryFunc *unin_write[] = {
48 &unin_writel,
49 &unin_writel,
50 &unin_writel,
51};
52
53static CPUReadMemoryFunc *unin_read[] = {
54 &unin_readl,
55 &unin_readl,
56 &unin_readl,
57};
58
3cbee15b 59/* PowerPC Mac99 hardware initialisation */
00f82b8a 60static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
6ac0e82d 61 const char *boot_device, DisplayState *ds,
3cbee15b
JM
62 const char *kernel_filename,
63 const char *kernel_cmdline,
64 const char *initrd_filename,
65 const char *cpu_model)
64201201 66{
aaed909a 67 CPUState *env = NULL, *envs[MAX_CPUS];
64201201 68 char buf[1024];
e9df014c 69 qemu_irq *pic, **openpic_irqs;
aef445bd 70 int unin_memory;
d5295253
FB
71 int linux_boot, i;
72 unsigned long bios_offset, vga_bios_offset;
b6b8bd18 73 uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
46e50e9d 74 PCIBus *pci_bus;
3cbee15b
JM
75 nvram_t nvram;
76#if 0
77 MacIONVRAMState *nvr;
78 int nvram_mem_index;
79#endif
80 m48t59_t *m48t59;
d5295253 81 int vga_bios_size, bios_size;
d537cf6c 82 qemu_irq *dummy_irq;
3cbee15b
JM
83 int pic_mem_index, dbdma_mem_index, cuda_mem_index;
84 int ide_mem_index[2];
28c5af54 85 int ppc_boot_device;
e4bcb14c
TS
86 int index;
87 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
46e50e9d 88
64201201
FB
89 linux_boot = (kernel_filename != NULL);
90
c68ea704 91 /* init CPUs */
94fc95cd 92 if (cpu_model == NULL)
d12f4c38 93 cpu_model = "default";
e9df014c 94 for (i = 0; i < smp_cpus; i++) {
aaed909a
FB
95 env = cpu_init(cpu_model);
96 if (!env) {
97 fprintf(stderr, "Unable to find PowerPC CPU definition\n");
98 exit(1);
99 }
e9df014c
JM
100 /* Set time-base frequency to 100 Mhz */
101 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
3cbee15b 102#if 0
e9df014c 103 env->osi_call = vga_osi_call;
3cbee15b 104#endif
fe33cc71 105 qemu_register_reset(&cpu_ppc_reset, env);
e9df014c
JM
106 envs[i] = env;
107 }
4c823cff
JM
108 if (env->nip < 0xFFF80000) {
109 /* Special test for PowerPC 601:
110 * the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
111 * But the NVRAM is located at 0xFFF04000...
112 */
113 cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
114 }
c68ea704 115
64201201
FB
116 /* allocate RAM */
117 cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
118
119 /* allocate and load BIOS */
120 bios_offset = ram_size + vga_ram_size;
1192dad8
JM
121 if (bios_name == NULL)
122 bios_name = BIOS_FILENAME;
123 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
d5295253
FB
124 bios_size = load_image(buf, phys_ram_base + bios_offset);
125 if (bios_size < 0 || bios_size > BIOS_SIZE) {
4a057712 126 cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf);
64201201
FB
127 exit(1);
128 }
d5295253 129 bios_size = (bios_size + 0xfff) & ~0xfff;
4c823cff
JM
130 if (bios_size > 0x00080000) {
131 /* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
132 cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
133 }
4a057712 134 cpu_register_physical_memory((uint32_t)(-bios_size),
d5295253 135 bios_size, bios_offset | IO_MEM_ROM);
3b46e624 136
d5295253
FB
137 /* allocate and load VGA BIOS */
138 vga_bios_offset = bios_offset + bios_size;
139 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
140 vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
141 if (vga_bios_size < 0) {
142 /* if no bios is present, we can still work */
143 fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
144 vga_bios_size = 0;
145 } else {
146 /* set a specific header (XXX: find real Apple format for NDRV
147 drivers) */
148 phys_ram_base[vga_bios_offset] = 'N';
149 phys_ram_base[vga_bios_offset + 1] = 'D';
150 phys_ram_base[vga_bios_offset + 2] = 'R';
151 phys_ram_base[vga_bios_offset + 3] = 'V';
5fafdf24 152 cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
d5295253
FB
153 vga_bios_size);
154 vga_bios_size += 8;
155 }
156 vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff;
3b46e624 157
b6b8bd18
FB
158 if (linux_boot) {
159 kernel_base = KERNEL_LOAD_ADDR;
160 /* now we can load the kernel */
161 kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
162 if (kernel_size < 0) {
4a057712
JM
163 cpu_abort(env, "qemu: could not load kernel '%s'\n",
164 kernel_filename);
b6b8bd18
FB
165 exit(1);
166 }
167 /* load initrd */
168 if (initrd_filename) {
169 initrd_base = INITRD_LOAD_ADDR;
170 initrd_size = load_image(initrd_filename,
171 phys_ram_base + initrd_base);
172 if (initrd_size < 0) {
4a057712
JM
173 cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
174 initrd_filename);
b6b8bd18
FB
175 exit(1);
176 }
177 } else {
178 initrd_base = 0;
179 initrd_size = 0;
180 }
6ac0e82d 181 ppc_boot_device = 'm';
b6b8bd18
FB
182 } else {
183 kernel_base = 0;
184 kernel_size = 0;
185 initrd_base = 0;
186 initrd_size = 0;
28c5af54
JM
187 ppc_boot_device = '\0';
188 /* We consider that NewWorld PowerMac never have any floppy drive
189 * For now, OHW cannot boot from the network.
190 */
0d913fdb
JM
191 for (i = 0; boot_device[i] != '\0'; i++) {
192 if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
193 ppc_boot_device = boot_device[i];
28c5af54 194 break;
0d913fdb 195 }
28c5af54
JM
196 }
197 if (ppc_boot_device == '\0') {
198 fprintf(stderr, "No valid boot device for Mac99 machine\n");
199 exit(1);
200 }
b6b8bd18 201 }
0aa6a4a2 202
3cbee15b 203 isa_mem_base = 0x80000000;
aef445bd 204
3cbee15b
JM
205 /* Register 8 MB of ISA IO space */
206 isa_mmio_init(0xf2000000, 0x00800000);
3b46e624 207
3cbee15b
JM
208 /* UniN init */
209 unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
210 cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
47103572 211
3cbee15b
JM
212 openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
213 openpic_irqs[0] =
214 qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
215 for (i = 0; i < smp_cpus; i++) {
216 /* Mac99 IRQ connection between OpenPIC outputs pins
217 * and PowerPC input pins
218 */
219 switch (PPC_INPUT(env)) {
220 case PPC_FLAGS_INPUT_6xx:
221 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
222 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
223 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
224 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
225 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
226 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
227 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
228 /* Not connected ? */
229 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
230 /* Check this */
231 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
232 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
233 break;
00af685f 234#if defined(TARGET_PPC64)
3cbee15b
JM
235 case PPC_FLAGS_INPUT_970:
236 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
237 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
238 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
239 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
240 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
241 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
242 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
243 /* Not connected ? */
244 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
245 /* Check this */
246 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
247 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
248 break;
00af685f 249#endif /* defined(TARGET_PPC64) */
3cbee15b
JM
250 default:
251 cpu_abort(env, "Bus model not supported on mac99 machine\n");
252 exit(1);
0aa6a4a2 253 }
3cbee15b
JM
254 }
255 pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
256 pci_bus = pci_pmac_init(pic);
257 /* init basic PC hardware */
258 pci_vga_init(pci_bus, ds, phys_ram_base + ram_size,
259 ram_size, vga_ram_size,
260 vga_bios_offset, vga_bios_size);
aae9366a 261
3cbee15b
JM
262 /* XXX: suppress that */
263 dummy_irq = i8259_init(NULL);
264
265 /* XXX: use Mac Serial port */
b6cd0ea1 266 serial_init(0x3f8, dummy_irq[4], 115200, serial_hds[0]);
3cbee15b
JM
267 for(i = 0; i < nb_nics; i++) {
268 if (!nd_table[i].model)
269 nd_table[i].model = "ne2k_pci";
270 pci_nic_init(pci_bus, &nd_table[i], -1);
271 }
e4bcb14c
TS
272 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
273 fprintf(stderr, "qemu: too many IDE bus\n");
274 exit(1);
275 }
276 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
277 index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
278 if (index != -1)
279 hd[i] = drives_table[index].bdrv;
280 else
281 hd[i] = NULL;
282 }
0aa6a4a2 283#if 1
e4bcb14c
TS
284 ide_mem_index[0] = pmac_ide_init(&hd[0], pic[0x13]);
285 ide_mem_index[1] = pmac_ide_init(&hd[2], pic[0x14]);
0aa6a4a2 286#else
e4bcb14c 287 pci_cmd646_ide_init(pci_bus, &hd[0], 0);
0aa6a4a2 288#endif
3cbee15b
JM
289 /* cuda also initialize ADB */
290 cuda_init(&cuda_mem_index, pic[0x19]);
aae9366a 291
3cbee15b
JM
292 adb_kbd_init(&adb_bus);
293 adb_mouse_init(&adb_bus);
3b46e624 294
3cbee15b 295 dbdma_init(&dbdma_mem_index);
3b46e624 296
3cbee15b 297 macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index,
74e91155 298 cuda_mem_index, NULL, 2, ide_mem_index);
0d92ed30
PB
299
300 if (usb_enabled) {
e24ad6f1 301 usb_ohci_init_pci(pci_bus, 3, -1);
0d92ed30
PB
302 }
303
b6b8bd18
FB
304 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
305 graphic_depth = 15;
3cbee15b
JM
306#if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
307 /* The NewWorld NVRAM is not located in the MacIO device */
74e91155 308 nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
3cbee15b 309 pmac_format_nvram_partition(nvr, 0x2000);
74e91155 310 macio_nvram_map(nvr, 0xFFF04000);
3cbee15b
JM
311 nvram.opaque = nvr;
312 nvram.read_fn = &macio_nvram_read;
313 nvram.write_fn = &macio_nvram_write;
314#else
315 m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59);
316 nvram.opaque = m48t59;
317 nvram.read_fn = &m48t59_read;
318 nvram.write_fn = &m48t59_write;
319#endif
6ac0e82d
AZ
320 PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size,
321 ppc_boot_device, kernel_base, kernel_size,
b6b8bd18
FB
322 kernel_cmdline,
323 initrd_base, initrd_size,
64201201 324 /* XXX: need an option to load a NVRAM image */
b6b8bd18
FB
325 0,
326 graphic_width, graphic_height, graphic_depth);
327 /* No PCI init: the BIOS will do it */
0aa6a4a2
FB
328
329 /* Special port to get debug messages from Open-Firmware */
330 register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
aae9366a 331}
0aa6a4a2
FB
332
333QEMUMachine core99_machine = {
0289b2c1
FB
334 "mac99",
335 "Mac99 based PowerMAC",
0aa6a4a2 336 ppc_core99_init,
7fb4fdcf 337 BIOS_SIZE + VGA_RAM_SIZE,
0aa6a4a2 338};