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Support multipart images as input to qemu-img (Salvador Fandino).
[qemu.git] / hw / ppc_chrp.c
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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 */
25#include "vl.h"
3cbee15b 26#include "ppc_mac.h"
267002cd 27
0aa6a4a2
FB
28/* UniN device */
29static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
30{
31}
32
33static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
34{
35 return 0;
36}
37
38static CPUWriteMemoryFunc *unin_write[] = {
39 &unin_writel,
40 &unin_writel,
41 &unin_writel,
42};
43
44static CPUReadMemoryFunc *unin_read[] = {
45 &unin_readl,
46 &unin_readl,
47 &unin_readl,
48};
49
3cbee15b
JM
50/* PowerPC Mac99 hardware initialisation */
51static void ppc_core99_init (int ram_size, int vga_ram_size, int boot_device,
52 DisplayState *ds, const char **fd_filename,
53 int snapshot,
54 const char *kernel_filename,
55 const char *kernel_cmdline,
56 const char *initrd_filename,
57 const char *cpu_model)
64201201 58{
e9df014c 59 CPUState *env, *envs[MAX_CPUS];
64201201 60 char buf[1024];
e9df014c 61 qemu_irq *pic, **openpic_irqs;
aef445bd 62 int unin_memory;
d5295253
FB
63 int linux_boot, i;
64 unsigned long bios_offset, vga_bios_offset;
b6b8bd18 65 uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
3fc6c082 66 ppc_def_t *def;
46e50e9d 67 PCIBus *pci_bus;
3cbee15b
JM
68 nvram_t nvram;
69#if 0
70 MacIONVRAMState *nvr;
71 int nvram_mem_index;
72#endif
73 m48t59_t *m48t59;
d5295253 74 int vga_bios_size, bios_size;
d537cf6c 75 qemu_irq *dummy_irq;
3cbee15b
JM
76 int pic_mem_index, dbdma_mem_index, cuda_mem_index;
77 int ide_mem_index[2];
46e50e9d 78
64201201
FB
79 linux_boot = (kernel_filename != NULL);
80
c68ea704
FB
81 /* init CPUs */
82 env = cpu_init();
94fc95cd 83 if (cpu_model == NULL)
d12f4c38 84 cpu_model = "default";
94fc95cd 85 ppc_find_by_name(cpu_model, &def);
c68ea704
FB
86 if (def == NULL) {
87 cpu_abort(env, "Unable to find PowerPC CPU definition\n");
88 }
e9df014c
JM
89 for (i = 0; i < smp_cpus; i++) {
90 cpu_ppc_register(env, def);
fe33cc71 91 cpu_ppc_reset(env);
e9df014c
JM
92 /* Set time-base frequency to 100 Mhz */
93 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
3cbee15b 94#if 0
e9df014c 95 env->osi_call = vga_osi_call;
3cbee15b 96#endif
fe33cc71
JM
97 qemu_register_reset(&cpu_ppc_reset, env);
98 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
e9df014c
JM
99 envs[i] = env;
100 }
4c823cff
JM
101 if (env->nip < 0xFFF80000) {
102 /* Special test for PowerPC 601:
103 * the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
104 * But the NVRAM is located at 0xFFF04000...
105 */
106 cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
107 }
c68ea704 108
64201201
FB
109 /* allocate RAM */
110 cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
111
112 /* allocate and load BIOS */
113 bios_offset = ram_size + vga_ram_size;
1192dad8
JM
114 if (bios_name == NULL)
115 bios_name = BIOS_FILENAME;
116 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
d5295253
FB
117 bios_size = load_image(buf, phys_ram_base + bios_offset);
118 if (bios_size < 0 || bios_size > BIOS_SIZE) {
4a057712 119 cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf);
64201201
FB
120 exit(1);
121 }
d5295253 122 bios_size = (bios_size + 0xfff) & ~0xfff;
4c823cff
JM
123 if (bios_size > 0x00080000) {
124 /* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
125 cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
126 }
4a057712 127 cpu_register_physical_memory((uint32_t)(-bios_size),
d5295253 128 bios_size, bios_offset | IO_MEM_ROM);
3b46e624 129
d5295253
FB
130 /* allocate and load VGA BIOS */
131 vga_bios_offset = bios_offset + bios_size;
132 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
133 vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
134 if (vga_bios_size < 0) {
135 /* if no bios is present, we can still work */
136 fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
137 vga_bios_size = 0;
138 } else {
139 /* set a specific header (XXX: find real Apple format for NDRV
140 drivers) */
141 phys_ram_base[vga_bios_offset] = 'N';
142 phys_ram_base[vga_bios_offset + 1] = 'D';
143 phys_ram_base[vga_bios_offset + 2] = 'R';
144 phys_ram_base[vga_bios_offset + 3] = 'V';
5fafdf24 145 cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
d5295253
FB
146 vga_bios_size);
147 vga_bios_size += 8;
148 }
149 vga_bios_size = (vga_bios_size + 0xfff) & ~0xfff;
3b46e624 150
b6b8bd18
FB
151 if (linux_boot) {
152 kernel_base = KERNEL_LOAD_ADDR;
153 /* now we can load the kernel */
154 kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
155 if (kernel_size < 0) {
4a057712
JM
156 cpu_abort(env, "qemu: could not load kernel '%s'\n",
157 kernel_filename);
b6b8bd18
FB
158 exit(1);
159 }
160 /* load initrd */
161 if (initrd_filename) {
162 initrd_base = INITRD_LOAD_ADDR;
163 initrd_size = load_image(initrd_filename,
164 phys_ram_base + initrd_base);
165 if (initrd_size < 0) {
4a057712
JM
166 cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
167 initrd_filename);
b6b8bd18
FB
168 exit(1);
169 }
170 } else {
171 initrd_base = 0;
172 initrd_size = 0;
173 }
174 boot_device = 'm';
175 } else {
176 kernel_base = 0;
177 kernel_size = 0;
178 initrd_base = 0;
179 initrd_size = 0;
180 }
0aa6a4a2 181
3cbee15b 182 isa_mem_base = 0x80000000;
aef445bd 183
3cbee15b
JM
184 /* Register 8 MB of ISA IO space */
185 isa_mmio_init(0xf2000000, 0x00800000);
3b46e624 186
3cbee15b
JM
187 /* UniN init */
188 unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
189 cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
47103572 190
3cbee15b
JM
191 openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
192 openpic_irqs[0] =
193 qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
194 for (i = 0; i < smp_cpus; i++) {
195 /* Mac99 IRQ connection between OpenPIC outputs pins
196 * and PowerPC input pins
197 */
198 switch (PPC_INPUT(env)) {
199 case PPC_FLAGS_INPUT_6xx:
200 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
201 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
202 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
203 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
204 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
205 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
206 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
207 /* Not connected ? */
208 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
209 /* Check this */
210 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
211 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
212 break;
00af685f 213#if defined(TARGET_PPC64)
3cbee15b
JM
214 case PPC_FLAGS_INPUT_970:
215 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
216 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
217 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
218 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
219 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
220 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
221 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
222 /* Not connected ? */
223 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
224 /* Check this */
225 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
226 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
227 break;
00af685f 228#endif /* defined(TARGET_PPC64) */
3cbee15b
JM
229 default:
230 cpu_abort(env, "Bus model not supported on mac99 machine\n");
231 exit(1);
0aa6a4a2 232 }
3cbee15b
JM
233 }
234 pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
235 pci_bus = pci_pmac_init(pic);
236 /* init basic PC hardware */
237 pci_vga_init(pci_bus, ds, phys_ram_base + ram_size,
238 ram_size, vga_ram_size,
239 vga_bios_offset, vga_bios_size);
240
241 /* XXX: suppress that */
242 dummy_irq = i8259_init(NULL);
243
244 /* XXX: use Mac Serial port */
245 serial_init(0x3f8, dummy_irq[4], serial_hds[0]);
246 for(i = 0; i < nb_nics; i++) {
247 if (!nd_table[i].model)
248 nd_table[i].model = "ne2k_pci";
249 pci_nic_init(pci_bus, &nd_table[i], -1);
250 }
0aa6a4a2 251#if 1
3cbee15b
JM
252 ide_mem_index[0] = pmac_ide_init(&bs_table[0], pic[0x13]);
253 ide_mem_index[1] = pmac_ide_init(&bs_table[2], pic[0x14]);
0aa6a4a2 254#else
3cbee15b 255 pci_cmd646_ide_init(pci_bus, &bs_table[0], 0);
0aa6a4a2 256#endif
3cbee15b
JM
257 /* cuda also initialize ADB */
258 cuda_init(&cuda_mem_index, pic[0x19]);
259
260 adb_kbd_init(&adb_bus);
261 adb_mouse_init(&adb_bus);
3b46e624 262
3cbee15b 263 dbdma_init(&dbdma_mem_index);
3b46e624 264
3cbee15b
JM
265 macio_init(pci_bus, 0x0022, 0, pic_mem_index, dbdma_mem_index,
266 cuda_mem_index, -1, 2, ide_mem_index);
0d92ed30
PB
267
268 if (usb_enabled) {
e24ad6f1 269 usb_ohci_init_pci(pci_bus, 3, -1);
0d92ed30
PB
270 }
271
b6b8bd18
FB
272 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
273 graphic_depth = 15;
3cbee15b
JM
274#if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
275 /* The NewWorld NVRAM is not located in the MacIO device */
276 nvr = macio_nvram_init(&nvram_mem_index);
277 pmac_format_nvram_partition(nvr, 0x2000);
278 cpu_register_physical_memory(0xFFF04000, 0x20000, nvram_mem_index);
279 nvram.opaque = nvr;
280 nvram.read_fn = &macio_nvram_read;
281 nvram.write_fn = &macio_nvram_write;
282#else
283 m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59);
284 nvram.opaque = m48t59;
285 nvram.read_fn = &m48t59_read;
286 nvram.write_fn = &m48t59_write;
287#endif
288 PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size, boot_device,
b6b8bd18
FB
289 kernel_base, kernel_size,
290 kernel_cmdline,
291 initrd_base, initrd_size,
64201201 292 /* XXX: need an option to load a NVRAM image */
b6b8bd18
FB
293 0,
294 graphic_width, graphic_height, graphic_depth);
295 /* No PCI init: the BIOS will do it */
0aa6a4a2
FB
296
297 /* Special port to get debug messages from Open-Firmware */
298 register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
3cbee15b 299 }
0aa6a4a2
FB
300
301QEMUMachine core99_machine = {
0289b2c1
FB
302 "mac99",
303 "Mac99 based PowerMAC",
0aa6a4a2
FB
304 ppc_core99_init,
305};