hw/hppa/machine: Include "net/net.h"
[qemu.git] / hw / hppa / machine.c
1 /*
2 * QEMU HPPA hardware system emulator.
3 * Copyright 2018 Helge Deller <deller@gmx.de>
4 */
5
6 #include "qemu/osdep.h"
7 #include "qemu-common.h"
8 #include "cpu.h"
9 #include "elf.h"
10 #include "hw/loader.h"
11 #include "hw/boards.h"
12 #include "qemu/error-report.h"
13 #include "sysemu/reset.h"
14 #include "sysemu/sysemu.h"
15 #include "hw/rtc/mc146818rtc.h"
16 #include "hw/ide.h"
17 #include "hw/timer/i8254.h"
18 #include "hw/char/serial.h"
19 #include "hw/net/lasi_82596.h"
20 #include "hppa_sys.h"
21 #include "qemu/units.h"
22 #include "qapi/error.h"
23 #include "net/net.h"
24 #include "qemu/log.h"
25 #include "net/net.h"
26
27 #define MAX_IDE_BUS 2
28
29 static ISABus *hppa_isa_bus(void)
30 {
31 ISABus *isa_bus;
32 qemu_irq *isa_irqs;
33 MemoryRegion *isa_region;
34
35 isa_region = g_new(MemoryRegion, 1);
36 memory_region_init_io(isa_region, NULL, &hppa_pci_ignore_ops,
37 NULL, "isa-io", 0x800);
38 memory_region_add_subregion(get_system_memory(), IDE_HPA,
39 isa_region);
40
41 isa_bus = isa_bus_new(NULL, get_system_memory(), isa_region,
42 &error_abort);
43 isa_irqs = i8259_init(isa_bus,
44 /* qemu_allocate_irq(dino_set_isa_irq, s, 0)); */
45 NULL);
46 isa_bus_irqs(isa_bus, isa_irqs);
47
48 return isa_bus;
49 }
50
51 static uint64_t cpu_hppa_to_phys(void *opaque, uint64_t addr)
52 {
53 addr &= (0x10000000 - 1);
54 return addr;
55 }
56
57 static HPPACPU *cpu[HPPA_MAX_CPUS];
58 static uint64_t firmware_entry;
59
60 static void machine_hppa_init(MachineState *machine)
61 {
62 const char *kernel_filename = machine->kernel_filename;
63 const char *kernel_cmdline = machine->kernel_cmdline;
64 const char *initrd_filename = machine->initrd_filename;
65 DeviceState *dev;
66 PCIBus *pci_bus;
67 ISABus *isa_bus;
68 qemu_irq rtc_irq, serial_irq;
69 char *firmware_filename;
70 uint64_t firmware_low, firmware_high;
71 long size;
72 uint64_t kernel_entry = 0, kernel_low, kernel_high;
73 MemoryRegion *addr_space = get_system_memory();
74 MemoryRegion *rom_region;
75 MemoryRegion *cpu_region;
76 long i;
77 unsigned int smp_cpus = machine->smp.cpus;
78 SysBusDevice *s;
79
80 /* Create CPUs. */
81 for (i = 0; i < smp_cpus; i++) {
82 char *name = g_strdup_printf("cpu%ld-io-eir", i);
83 cpu[i] = HPPA_CPU(cpu_create(machine->cpu_type));
84
85 cpu_region = g_new(MemoryRegion, 1);
86 memory_region_init_io(cpu_region, OBJECT(cpu[i]), &hppa_io_eir_ops,
87 cpu[i], name, 4);
88 memory_region_add_subregion(addr_space, CPU_HPA + i * 0x1000,
89 cpu_region);
90 g_free(name);
91 }
92
93 /* Main memory region. */
94 if (machine->ram_size > 3 * GiB) {
95 error_report("RAM size is currently restricted to 3GB");
96 exit(EXIT_FAILURE);
97 }
98 memory_region_add_subregion_overlap(addr_space, 0, machine->ram, -1);
99
100
101 /* Init Lasi chip */
102 lasi_init(addr_space);
103
104 /* Init Dino (PCI host bus chip). */
105 pci_bus = dino_init(addr_space, &rtc_irq, &serial_irq);
106 assert(pci_bus);
107
108 /* Create ISA bus. */
109 isa_bus = hppa_isa_bus();
110 assert(isa_bus);
111
112 /* Realtime clock, used by firmware for PDC_TOD call. */
113 mc146818_rtc_init(isa_bus, 2000, rtc_irq);
114
115 /* Serial code setup. */
116 if (serial_hd(0)) {
117 uint32_t addr = DINO_UART_HPA + 0x800;
118 serial_mm_init(addr_space, addr, 0, serial_irq,
119 115200, serial_hd(0), DEVICE_BIG_ENDIAN);
120 }
121
122 /* SCSI disk setup. */
123 dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
124 lsi53c8xx_handle_legacy_cmdline(dev);
125
126 /* Graphics setup. */
127 if (machine->enable_graphics && vga_interface_type != VGA_NONE) {
128 dev = qdev_create(NULL, "artist");
129 qdev_init_nofail(dev);
130 s = SYS_BUS_DEVICE(dev);
131 sysbus_mmio_map(s, 0, LASI_GFX_HPA);
132 sysbus_mmio_map(s, 1, ARTIST_FB_ADDR);
133 }
134
135 /* Network setup. */
136 for (i = 0; i < nb_nics; i++) {
137 if (!enable_lasi_lan()) {
138 pci_nic_init_nofail(&nd_table[i], pci_bus, "tulip", NULL);
139 }
140 }
141
142 /* Load firmware. Given that this is not "real" firmware,
143 but one explicitly written for the emulation, we might as
144 well load it directly from an ELF image. */
145 firmware_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS,
146 bios_name ? bios_name :
147 "hppa-firmware.img");
148 if (firmware_filename == NULL) {
149 error_report("no firmware provided");
150 exit(1);
151 }
152
153 size = load_elf(firmware_filename, NULL, NULL, NULL,
154 &firmware_entry, &firmware_low, &firmware_high, NULL,
155 true, EM_PARISC, 0, 0);
156
157 /* Unfortunately, load_elf sign-extends reading elf32. */
158 firmware_entry = (target_ureg)firmware_entry;
159 firmware_low = (target_ureg)firmware_low;
160 firmware_high = (target_ureg)firmware_high;
161
162 if (size < 0) {
163 error_report("could not load firmware '%s'", firmware_filename);
164 exit(1);
165 }
166 qemu_log_mask(CPU_LOG_PAGE, "Firmware loaded at 0x%08" PRIx64
167 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64 ".\n",
168 firmware_low, firmware_high, firmware_entry);
169 if (firmware_low < FIRMWARE_START || firmware_high >= FIRMWARE_END) {
170 error_report("Firmware overlaps with memory or IO space");
171 exit(1);
172 }
173 g_free(firmware_filename);
174
175 rom_region = g_new(MemoryRegion, 1);
176 memory_region_init_ram(rom_region, NULL, "firmware",
177 (FIRMWARE_END - FIRMWARE_START), &error_fatal);
178 memory_region_add_subregion(addr_space, FIRMWARE_START, rom_region);
179
180 /* Load kernel */
181 if (kernel_filename) {
182 size = load_elf(kernel_filename, NULL, &cpu_hppa_to_phys,
183 NULL, &kernel_entry, &kernel_low, &kernel_high, NULL,
184 true, EM_PARISC, 0, 0);
185
186 /* Unfortunately, load_elf sign-extends reading elf32. */
187 kernel_entry = (target_ureg) cpu_hppa_to_phys(NULL, kernel_entry);
188 kernel_low = (target_ureg)kernel_low;
189 kernel_high = (target_ureg)kernel_high;
190
191 if (size < 0) {
192 error_report("could not load kernel '%s'", kernel_filename);
193 exit(1);
194 }
195 qemu_log_mask(CPU_LOG_PAGE, "Kernel loaded at 0x%08" PRIx64
196 "-0x%08" PRIx64 ", entry at 0x%08" PRIx64
197 ", size %" PRIu64 " kB\n",
198 kernel_low, kernel_high, kernel_entry, size / KiB);
199
200 if (kernel_cmdline) {
201 cpu[0]->env.gr[24] = 0x4000;
202 pstrcpy_targphys("cmdline", cpu[0]->env.gr[24],
203 TARGET_PAGE_SIZE, kernel_cmdline);
204 }
205
206 if (initrd_filename) {
207 ram_addr_t initrd_base;
208 int64_t initrd_size;
209
210 initrd_size = get_image_size(initrd_filename);
211 if (initrd_size < 0) {
212 error_report("could not load initial ram disk '%s'",
213 initrd_filename);
214 exit(1);
215 }
216
217 /* Load the initrd image high in memory.
218 Mirror the algorithm used by palo:
219 (1) Due to sign-extension problems and PDC,
220 put the initrd no higher than 1G.
221 (2) Reserve 64k for stack. */
222 initrd_base = MIN(ram_size, 1 * GiB);
223 initrd_base = initrd_base - 64 * KiB;
224 initrd_base = (initrd_base - initrd_size) & TARGET_PAGE_MASK;
225
226 if (initrd_base < kernel_high) {
227 error_report("kernel and initial ram disk too large!");
228 exit(1);
229 }
230
231 load_image_targphys(initrd_filename, initrd_base, initrd_size);
232 cpu[0]->env.gr[23] = initrd_base;
233 cpu[0]->env.gr[22] = initrd_base + initrd_size;
234 }
235 }
236
237 if (!kernel_entry) {
238 /* When booting via firmware, tell firmware if we want interactive
239 * mode (kernel_entry=1), and to boot from CD (gr[24]='d')
240 * or hard disc * (gr[24]='c').
241 */
242 kernel_entry = boot_menu ? 1 : 0;
243 cpu[0]->env.gr[24] = machine->boot_order[0];
244 }
245
246 /* We jump to the firmware entry routine and pass the
247 * various parameters in registers. After firmware initialization,
248 * firmware will start the Linux kernel with ramdisk and cmdline.
249 */
250 cpu[0]->env.gr[26] = ram_size;
251 cpu[0]->env.gr[25] = kernel_entry;
252
253 /* tell firmware how many SMP CPUs to present in inventory table */
254 cpu[0]->env.gr[21] = smp_cpus;
255 }
256
257 static void hppa_machine_reset(MachineState *ms)
258 {
259 unsigned int smp_cpus = ms->smp.cpus;
260 int i;
261
262 qemu_devices_reset();
263
264 /* Start all CPUs at the firmware entry point.
265 * Monarch CPU will initialize firmware, secondary CPUs
266 * will enter a small idle look and wait for rendevouz. */
267 for (i = 0; i < smp_cpus; i++) {
268 cpu_set_pc(CPU(cpu[i]), firmware_entry);
269 cpu[i]->env.gr[5] = CPU_HPA + i * 0x1000;
270 }
271
272 /* already initialized by machine_hppa_init()? */
273 if (cpu[0]->env.gr[26] == ram_size) {
274 return;
275 }
276
277 cpu[0]->env.gr[26] = ram_size;
278 cpu[0]->env.gr[25] = 0; /* no firmware boot menu */
279 cpu[0]->env.gr[24] = 'c';
280 /* gr22/gr23 unused, no initrd while reboot. */
281 cpu[0]->env.gr[21] = smp_cpus;
282 }
283
284
285 static void machine_hppa_machine_init(MachineClass *mc)
286 {
287 mc->desc = "HPPA generic machine";
288 mc->default_cpu_type = TYPE_HPPA_CPU;
289 mc->init = machine_hppa_init;
290 mc->reset = hppa_machine_reset;
291 mc->block_default_type = IF_SCSI;
292 mc->max_cpus = HPPA_MAX_CPUS;
293 mc->default_cpus = 1;
294 mc->is_default = true;
295 mc->default_ram_size = 512 * MiB;
296 mc->default_boot_order = "cd";
297 mc->default_ram_id = "ram";
298 }
299
300 DEFINE_MACHINE("hppa", machine_hppa_machine_init)