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