1 /* 2 * QEMU RISC-V VirtIO Board 3 * 4 * Copyright (c) 2017 SiFive, Inc. 5 * 6 * RISC-V machine with 16550a UART and VirtIO MMIO 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms and conditions of the GNU General Public License, 10 * version 2 or later, as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along with 18 * this program. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #include "qemu/osdep.h" 22 #include "qemu/units.h" 23 #include "qemu/error-report.h" 24 #include "qemu/guest-random.h" 25 #include "qapi/error.h" 26 #include "hw/boards.h" 27 #include "hw/loader.h" 28 #include "hw/sysbus.h" 29 #include "hw/qdev-properties.h" 30 #include "hw/char/serial-mm.h" 31 #include "target/riscv/cpu.h" 32 #include "hw/core/sysbus-fdt.h" 33 #include "target/riscv/pmu.h" 34 #include "hw/riscv/riscv_hart.h" 35 #include "hw/riscv/iommu.h" 36 #include "hw/riscv/riscv-iommu-bits.h" 37 #include "hw/riscv/virt.h" 38 #include "hw/riscv/boot.h" 39 #include "hw/riscv/numa.h" 40 #include "kvm/kvm_riscv.h" 41 #include "hw/firmware/smbios.h" 42 #include "hw/intc/riscv_aclint.h" 43 #include "hw/intc/riscv_aplic.h" 44 #include "hw/intc/sifive_plic.h" 45 #include "hw/misc/sifive_test.h" 46 #include "hw/platform-bus.h" 47 #include "chardev/char.h" 48 #include "system/device_tree.h" 49 #include "system/system.h" 50 #include "system/tcg.h" 51 #include "system/kvm.h" 52 #include "system/tpm.h" 53 #include "system/qtest.h" 54 #include "hw/pci/pci.h" 55 #include "hw/pci-host/gpex.h" 56 #include "hw/display/ramfb.h" 57 #include "hw/acpi/aml-build.h" 58 #include "qapi/qapi-visit-common.h" 59 #include "hw/virtio/virtio-iommu.h" 60 61 /* KVM AIA only supports APLIC MSI. APLIC Wired is always emulated by QEMU. */ 62 static bool virt_use_kvm_aia_aplic_imsic(RISCVVirtAIAType aia_type) 63 { 64 bool msimode = aia_type == VIRT_AIA_TYPE_APLIC_IMSIC; 65 66 return riscv_is_kvm_aia_aplic_imsic(msimode); 67 } 68 69 static bool virt_use_emulated_aplic(RISCVVirtAIAType aia_type) 70 { 71 bool msimode = aia_type == VIRT_AIA_TYPE_APLIC_IMSIC; 72 73 return riscv_use_emulated_aplic(msimode); 74 } 75 76 static bool virt_aclint_allowed(void) 77 { 78 return tcg_enabled() || qtest_enabled(); 79 } 80 81 static const MemMapEntry virt_memmap[] = { 82 [VIRT_DEBUG] = { 0x0, 0x100 }, 83 [VIRT_MROM] = { 0x1000, 0xf000 }, 84 [VIRT_TEST] = { 0x100000, 0x1000 }, 85 [VIRT_RTC] = { 0x101000, 0x1000 }, 86 [VIRT_CLINT] = { 0x2000000, 0x10000 }, 87 [VIRT_ACLINT_SSWI] = { 0x2F00000, 0x4000 }, 88 [VIRT_PCIE_PIO] = { 0x3000000, 0x10000 }, 89 [VIRT_IOMMU_SYS] = { 0x3010000, 0x1000 }, 90 [VIRT_PLATFORM_BUS] = { 0x4000000, 0x2000000 }, 91 [VIRT_PLIC] = { 0xc000000, VIRT_PLIC_SIZE(VIRT_CPUS_MAX * 2) }, 92 [VIRT_APLIC_M] = { 0xc000000, APLIC_SIZE(VIRT_CPUS_MAX) }, 93 [VIRT_APLIC_S] = { 0xd000000, APLIC_SIZE(VIRT_CPUS_MAX) }, 94 [VIRT_UART0] = { 0x10000000, 0x100 }, 95 [VIRT_VIRTIO] = { 0x10001000, 0x1000 }, 96 [VIRT_FW_CFG] = { 0x10100000, 0x18 }, 97 [VIRT_FLASH] = { 0x20000000, 0x4000000 }, 98 [VIRT_IMSIC_M] = { 0x24000000, VIRT_IMSIC_MAX_SIZE }, 99 [VIRT_IMSIC_S] = { 0x28000000, VIRT_IMSIC_MAX_SIZE }, 100 [VIRT_PCIE_ECAM] = { 0x30000000, 0x10000000 }, 101 [VIRT_PCIE_MMIO] = { 0x40000000, 0x40000000 }, 102 [VIRT_DRAM] = { 0x80000000, 0x0 }, 103 }; 104 105 /* PCIe high mmio is fixed for RV32 */ 106 #define VIRT32_HIGH_PCIE_MMIO_BASE 0x300000000ULL 107 #define VIRT32_HIGH_PCIE_MMIO_SIZE (4 * GiB) 108 109 /* PCIe high mmio for RV64, size is fixed but base depends on top of RAM */ 110 #define VIRT64_HIGH_PCIE_MMIO_SIZE (16 * GiB) 111 112 static MemMapEntry virt_high_pcie_memmap; 113 114 #define VIRT_FLASH_SECTOR_SIZE (256 * KiB) 115 116 static PFlashCFI01 *virt_flash_create1(RISCVVirtState *s, 117 const char *name, 118 const char *alias_prop_name) 119 { 120 /* 121 * Create a single flash device. We use the same parameters as 122 * the flash devices on the ARM virt board. 123 */ 124 DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01); 125 126 qdev_prop_set_uint64(dev, "sector-length", VIRT_FLASH_SECTOR_SIZE); 127 qdev_prop_set_uint8(dev, "width", 4); 128 qdev_prop_set_uint8(dev, "device-width", 2); 129 qdev_prop_set_bit(dev, "big-endian", false); 130 qdev_prop_set_uint16(dev, "id0", 0x89); 131 qdev_prop_set_uint16(dev, "id1", 0x18); 132 qdev_prop_set_uint16(dev, "id2", 0x00); 133 qdev_prop_set_uint16(dev, "id3", 0x00); 134 qdev_prop_set_string(dev, "name", name); 135 136 object_property_add_child(OBJECT(s), name, OBJECT(dev)); 137 object_property_add_alias(OBJECT(s), alias_prop_name, 138 OBJECT(dev), "drive"); 139 140 return PFLASH_CFI01(dev); 141 } 142 143 static void virt_flash_create(RISCVVirtState *s) 144 { 145 s->flash[0] = virt_flash_create1(s, "virt.flash0", "pflash0"); 146 s->flash[1] = virt_flash_create1(s, "virt.flash1", "pflash1"); 147 } 148 149 static void virt_flash_map1(PFlashCFI01 *flash, 150 hwaddr base, hwaddr size, 151 MemoryRegion *sysmem) 152 { 153 DeviceState *dev = DEVICE(flash); 154 155 assert(QEMU_IS_ALIGNED(size, VIRT_FLASH_SECTOR_SIZE)); 156 assert(size / VIRT_FLASH_SECTOR_SIZE <= UINT32_MAX); 157 qdev_prop_set_uint32(dev, "num-blocks", size / VIRT_FLASH_SECTOR_SIZE); 158 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 159 160 memory_region_add_subregion(sysmem, base, 161 sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 162 0)); 163 } 164 165 static void virt_flash_map(RISCVVirtState *s, 166 MemoryRegion *sysmem) 167 { 168 hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2; 169 hwaddr flashbase = virt_memmap[VIRT_FLASH].base; 170 171 virt_flash_map1(s->flash[0], flashbase, flashsize, 172 sysmem); 173 virt_flash_map1(s->flash[1], flashbase + flashsize, flashsize, 174 sysmem); 175 } 176 177 static void create_pcie_irq_map(RISCVVirtState *s, void *fdt, char *nodename, 178 uint32_t irqchip_phandle) 179 { 180 int pin, dev; 181 uint32_t irq_map_stride = 0; 182 uint32_t full_irq_map[PCI_NUM_PINS * PCI_NUM_PINS * 183 FDT_MAX_INT_MAP_WIDTH] = {}; 184 uint32_t *irq_map = full_irq_map; 185 186 /* This code creates a standard swizzle of interrupts such that 187 * each device's first interrupt is based on it's PCI_SLOT number. 188 * (See pci_swizzle_map_irq_fn()) 189 * 190 * We only need one entry per interrupt in the table (not one per 191 * possible slot) seeing the interrupt-map-mask will allow the table 192 * to wrap to any number of devices. 193 */ 194 for (dev = 0; dev < PCI_NUM_PINS; dev++) { 195 int devfn = dev * 0x8; 196 197 for (pin = 0; pin < PCI_NUM_PINS; pin++) { 198 int irq_nr = PCIE_IRQ + ((pin + PCI_SLOT(devfn)) % PCI_NUM_PINS); 199 int i = 0; 200 201 /* Fill PCI address cells */ 202 irq_map[i] = cpu_to_be32(devfn << 8); 203 i += FDT_PCI_ADDR_CELLS; 204 205 /* Fill PCI Interrupt cells */ 206 irq_map[i] = cpu_to_be32(pin + 1); 207 i += FDT_PCI_INT_CELLS; 208 209 /* Fill interrupt controller phandle and cells */ 210 irq_map[i++] = cpu_to_be32(irqchip_phandle); 211 irq_map[i++] = cpu_to_be32(irq_nr); 212 if (s->aia_type != VIRT_AIA_TYPE_NONE) { 213 irq_map[i++] = cpu_to_be32(0x4); 214 } 215 216 if (!irq_map_stride) { 217 irq_map_stride = i; 218 } 219 irq_map += irq_map_stride; 220 } 221 } 222 223 qemu_fdt_setprop(fdt, nodename, "interrupt-map", full_irq_map, 224 PCI_NUM_PINS * PCI_NUM_PINS * 225 irq_map_stride * sizeof(uint32_t)); 226 227 qemu_fdt_setprop_cells(fdt, nodename, "interrupt-map-mask", 228 0x1800, 0, 0, 0x7); 229 } 230 231 static void create_fdt_socket_cpus(RISCVVirtState *s, int socket, 232 char *clust_name, uint32_t *phandle, 233 uint32_t *intc_phandles) 234 { 235 int cpu; 236 uint32_t cpu_phandle; 237 MachineState *ms = MACHINE(s); 238 bool is_32_bit = riscv_is_32bit(&s->soc[0]); 239 uint8_t satp_mode_max; 240 241 for (cpu = s->soc[socket].num_harts - 1; cpu >= 0; cpu--) { 242 RISCVCPU *cpu_ptr = &s->soc[socket].harts[cpu]; 243 g_autofree char *cpu_name = NULL; 244 g_autofree char *core_name = NULL; 245 g_autofree char *intc_name = NULL; 246 g_autofree char *sv_name = NULL; 247 248 cpu_phandle = (*phandle)++; 249 250 cpu_name = g_strdup_printf("/cpus/cpu@%d", 251 s->soc[socket].hartid_base + cpu); 252 qemu_fdt_add_subnode(ms->fdt, cpu_name); 253 254 if (cpu_ptr->cfg.satp_mode.supported != 0) { 255 satp_mode_max = satp_mode_max_from_map(cpu_ptr->cfg.satp_mode.map); 256 sv_name = g_strdup_printf("riscv,%s", 257 satp_mode_str(satp_mode_max, is_32_bit)); 258 qemu_fdt_setprop_string(ms->fdt, cpu_name, "mmu-type", sv_name); 259 } 260 261 riscv_isa_write_fdt(cpu_ptr, ms->fdt, cpu_name); 262 263 if (cpu_ptr->cfg.ext_zicbom) { 264 qemu_fdt_setprop_cell(ms->fdt, cpu_name, "riscv,cbom-block-size", 265 cpu_ptr->cfg.cbom_blocksize); 266 } 267 268 if (cpu_ptr->cfg.ext_zicboz) { 269 qemu_fdt_setprop_cell(ms->fdt, cpu_name, "riscv,cboz-block-size", 270 cpu_ptr->cfg.cboz_blocksize); 271 } 272 273 if (cpu_ptr->cfg.ext_zicbop) { 274 qemu_fdt_setprop_cell(ms->fdt, cpu_name, "riscv,cbop-block-size", 275 cpu_ptr->cfg.cbop_blocksize); 276 } 277 278 qemu_fdt_setprop_string(ms->fdt, cpu_name, "compatible", "riscv"); 279 qemu_fdt_setprop_string(ms->fdt, cpu_name, "status", "okay"); 280 qemu_fdt_setprop_cell(ms->fdt, cpu_name, "reg", 281 s->soc[socket].hartid_base + cpu); 282 qemu_fdt_setprop_string(ms->fdt, cpu_name, "device_type", "cpu"); 283 riscv_socket_fdt_write_id(ms, cpu_name, socket); 284 qemu_fdt_setprop_cell(ms->fdt, cpu_name, "phandle", cpu_phandle); 285 286 intc_phandles[cpu] = (*phandle)++; 287 288 intc_name = g_strdup_printf("%s/interrupt-controller", cpu_name); 289 qemu_fdt_add_subnode(ms->fdt, intc_name); 290 qemu_fdt_setprop_cell(ms->fdt, intc_name, "phandle", 291 intc_phandles[cpu]); 292 qemu_fdt_setprop_string(ms->fdt, intc_name, "compatible", 293 "riscv,cpu-intc"); 294 qemu_fdt_setprop(ms->fdt, intc_name, "interrupt-controller", NULL, 0); 295 qemu_fdt_setprop_cell(ms->fdt, intc_name, "#interrupt-cells", 1); 296 297 core_name = g_strdup_printf("%s/core%d", clust_name, cpu); 298 qemu_fdt_add_subnode(ms->fdt, core_name); 299 qemu_fdt_setprop_cell(ms->fdt, core_name, "cpu", cpu_phandle); 300 } 301 } 302 303 static void create_fdt_socket_memory(RISCVVirtState *s, 304 const MemMapEntry *memmap, int socket) 305 { 306 g_autofree char *mem_name = NULL; 307 uint64_t addr, size; 308 MachineState *ms = MACHINE(s); 309 310 addr = memmap[VIRT_DRAM].base + riscv_socket_mem_offset(ms, socket); 311 size = riscv_socket_mem_size(ms, socket); 312 mem_name = g_strdup_printf("/memory@%lx", (long)addr); 313 qemu_fdt_add_subnode(ms->fdt, mem_name); 314 qemu_fdt_setprop_cells(ms->fdt, mem_name, "reg", 315 addr >> 32, addr, size >> 32, size); 316 qemu_fdt_setprop_string(ms->fdt, mem_name, "device_type", "memory"); 317 riscv_socket_fdt_write_id(ms, mem_name, socket); 318 } 319 320 static void create_fdt_socket_clint(RISCVVirtState *s, 321 const MemMapEntry *memmap, int socket, 322 uint32_t *intc_phandles) 323 { 324 int cpu; 325 g_autofree char *clint_name = NULL; 326 g_autofree uint32_t *clint_cells = NULL; 327 unsigned long clint_addr; 328 MachineState *ms = MACHINE(s); 329 static const char * const clint_compat[2] = { 330 "sifive,clint0", "riscv,clint0" 331 }; 332 333 clint_cells = g_new0(uint32_t, s->soc[socket].num_harts * 4); 334 335 for (cpu = 0; cpu < s->soc[socket].num_harts; cpu++) { 336 clint_cells[cpu * 4 + 0] = cpu_to_be32(intc_phandles[cpu]); 337 clint_cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_SOFT); 338 clint_cells[cpu * 4 + 2] = cpu_to_be32(intc_phandles[cpu]); 339 clint_cells[cpu * 4 + 3] = cpu_to_be32(IRQ_M_TIMER); 340 } 341 342 clint_addr = memmap[VIRT_CLINT].base + (memmap[VIRT_CLINT].size * socket); 343 clint_name = g_strdup_printf("/soc/clint@%lx", clint_addr); 344 qemu_fdt_add_subnode(ms->fdt, clint_name); 345 qemu_fdt_setprop_string_array(ms->fdt, clint_name, "compatible", 346 (char **)&clint_compat, 347 ARRAY_SIZE(clint_compat)); 348 qemu_fdt_setprop_cells(ms->fdt, clint_name, "reg", 349 0x0, clint_addr, 0x0, memmap[VIRT_CLINT].size); 350 qemu_fdt_setprop(ms->fdt, clint_name, "interrupts-extended", 351 clint_cells, s->soc[socket].num_harts * sizeof(uint32_t) * 4); 352 riscv_socket_fdt_write_id(ms, clint_name, socket); 353 } 354 355 static void create_fdt_socket_aclint(RISCVVirtState *s, 356 const MemMapEntry *memmap, int socket, 357 uint32_t *intc_phandles) 358 { 359 int cpu; 360 char *name; 361 unsigned long addr, size; 362 uint32_t aclint_cells_size; 363 g_autofree uint32_t *aclint_mswi_cells = NULL; 364 g_autofree uint32_t *aclint_sswi_cells = NULL; 365 g_autofree uint32_t *aclint_mtimer_cells = NULL; 366 MachineState *ms = MACHINE(s); 367 368 aclint_mswi_cells = g_new0(uint32_t, s->soc[socket].num_harts * 2); 369 aclint_mtimer_cells = g_new0(uint32_t, s->soc[socket].num_harts * 2); 370 aclint_sswi_cells = g_new0(uint32_t, s->soc[socket].num_harts * 2); 371 372 for (cpu = 0; cpu < s->soc[socket].num_harts; cpu++) { 373 aclint_mswi_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); 374 aclint_mswi_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_M_SOFT); 375 aclint_mtimer_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); 376 aclint_mtimer_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_M_TIMER); 377 aclint_sswi_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); 378 aclint_sswi_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_S_SOFT); 379 } 380 aclint_cells_size = s->soc[socket].num_harts * sizeof(uint32_t) * 2; 381 382 if (s->aia_type != VIRT_AIA_TYPE_APLIC_IMSIC) { 383 addr = memmap[VIRT_CLINT].base + (memmap[VIRT_CLINT].size * socket); 384 name = g_strdup_printf("/soc/mswi@%lx", addr); 385 qemu_fdt_add_subnode(ms->fdt, name); 386 qemu_fdt_setprop_string(ms->fdt, name, "compatible", 387 "riscv,aclint-mswi"); 388 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 389 0x0, addr, 0x0, RISCV_ACLINT_SWI_SIZE); 390 qemu_fdt_setprop(ms->fdt, name, "interrupts-extended", 391 aclint_mswi_cells, aclint_cells_size); 392 qemu_fdt_setprop(ms->fdt, name, "interrupt-controller", NULL, 0); 393 qemu_fdt_setprop_cell(ms->fdt, name, "#interrupt-cells", 0); 394 riscv_socket_fdt_write_id(ms, name, socket); 395 g_free(name); 396 } 397 398 if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) { 399 addr = memmap[VIRT_CLINT].base + 400 (RISCV_ACLINT_DEFAULT_MTIMER_SIZE * socket); 401 size = RISCV_ACLINT_DEFAULT_MTIMER_SIZE; 402 } else { 403 addr = memmap[VIRT_CLINT].base + RISCV_ACLINT_SWI_SIZE + 404 (memmap[VIRT_CLINT].size * socket); 405 size = memmap[VIRT_CLINT].size - RISCV_ACLINT_SWI_SIZE; 406 } 407 name = g_strdup_printf("/soc/mtimer@%lx", addr); 408 qemu_fdt_add_subnode(ms->fdt, name); 409 qemu_fdt_setprop_string(ms->fdt, name, "compatible", 410 "riscv,aclint-mtimer"); 411 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 412 0x0, addr + RISCV_ACLINT_DEFAULT_MTIME, 413 0x0, size - RISCV_ACLINT_DEFAULT_MTIME, 414 0x0, addr + RISCV_ACLINT_DEFAULT_MTIMECMP, 415 0x0, RISCV_ACLINT_DEFAULT_MTIME); 416 qemu_fdt_setprop(ms->fdt, name, "interrupts-extended", 417 aclint_mtimer_cells, aclint_cells_size); 418 riscv_socket_fdt_write_id(ms, name, socket); 419 g_free(name); 420 421 if (s->aia_type != VIRT_AIA_TYPE_APLIC_IMSIC) { 422 addr = memmap[VIRT_ACLINT_SSWI].base + 423 (memmap[VIRT_ACLINT_SSWI].size * socket); 424 name = g_strdup_printf("/soc/sswi@%lx", addr); 425 qemu_fdt_add_subnode(ms->fdt, name); 426 qemu_fdt_setprop_string(ms->fdt, name, "compatible", 427 "riscv,aclint-sswi"); 428 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 429 0x0, addr, 0x0, memmap[VIRT_ACLINT_SSWI].size); 430 qemu_fdt_setprop(ms->fdt, name, "interrupts-extended", 431 aclint_sswi_cells, aclint_cells_size); 432 qemu_fdt_setprop(ms->fdt, name, "interrupt-controller", NULL, 0); 433 qemu_fdt_setprop_cell(ms->fdt, name, "#interrupt-cells", 0); 434 riscv_socket_fdt_write_id(ms, name, socket); 435 g_free(name); 436 } 437 } 438 439 static void create_fdt_socket_plic(RISCVVirtState *s, 440 const MemMapEntry *memmap, int socket, 441 uint32_t *phandle, uint32_t *intc_phandles, 442 uint32_t *plic_phandles) 443 { 444 int cpu; 445 g_autofree char *plic_name = NULL; 446 g_autofree uint32_t *plic_cells; 447 unsigned long plic_addr; 448 MachineState *ms = MACHINE(s); 449 static const char * const plic_compat[2] = { 450 "sifive,plic-1.0.0", "riscv,plic0" 451 }; 452 453 plic_phandles[socket] = (*phandle)++; 454 plic_addr = memmap[VIRT_PLIC].base + (memmap[VIRT_PLIC].size * socket); 455 plic_name = g_strdup_printf("/soc/plic@%lx", plic_addr); 456 qemu_fdt_add_subnode(ms->fdt, plic_name); 457 qemu_fdt_setprop_cell(ms->fdt, plic_name, 458 "#interrupt-cells", FDT_PLIC_INT_CELLS); 459 qemu_fdt_setprop_cell(ms->fdt, plic_name, 460 "#address-cells", FDT_PLIC_ADDR_CELLS); 461 qemu_fdt_setprop_string_array(ms->fdt, plic_name, "compatible", 462 (char **)&plic_compat, 463 ARRAY_SIZE(plic_compat)); 464 qemu_fdt_setprop(ms->fdt, plic_name, "interrupt-controller", NULL, 0); 465 466 if (kvm_enabled()) { 467 plic_cells = g_new0(uint32_t, s->soc[socket].num_harts * 2); 468 469 for (cpu = 0; cpu < s->soc[socket].num_harts; cpu++) { 470 plic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); 471 plic_cells[cpu * 2 + 1] = cpu_to_be32(IRQ_S_EXT); 472 } 473 474 qemu_fdt_setprop(ms->fdt, plic_name, "interrupts-extended", 475 plic_cells, 476 s->soc[socket].num_harts * sizeof(uint32_t) * 2); 477 } else { 478 plic_cells = g_new0(uint32_t, s->soc[socket].num_harts * 4); 479 480 for (cpu = 0; cpu < s->soc[socket].num_harts; cpu++) { 481 plic_cells[cpu * 4 + 0] = cpu_to_be32(intc_phandles[cpu]); 482 plic_cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_EXT); 483 plic_cells[cpu * 4 + 2] = cpu_to_be32(intc_phandles[cpu]); 484 plic_cells[cpu * 4 + 3] = cpu_to_be32(IRQ_S_EXT); 485 } 486 487 qemu_fdt_setprop(ms->fdt, plic_name, "interrupts-extended", 488 plic_cells, 489 s->soc[socket].num_harts * sizeof(uint32_t) * 4); 490 } 491 492 qemu_fdt_setprop_cells(ms->fdt, plic_name, "reg", 493 0x0, plic_addr, 0x0, memmap[VIRT_PLIC].size); 494 qemu_fdt_setprop_cell(ms->fdt, plic_name, "riscv,ndev", 495 VIRT_IRQCHIP_NUM_SOURCES - 1); 496 riscv_socket_fdt_write_id(ms, plic_name, socket); 497 qemu_fdt_setprop_cell(ms->fdt, plic_name, "phandle", 498 plic_phandles[socket]); 499 500 if (!socket) { 501 platform_bus_add_all_fdt_nodes(ms->fdt, plic_name, 502 memmap[VIRT_PLATFORM_BUS].base, 503 memmap[VIRT_PLATFORM_BUS].size, 504 VIRT_PLATFORM_BUS_IRQ); 505 } 506 } 507 508 uint32_t imsic_num_bits(uint32_t count) 509 { 510 uint32_t ret = 0; 511 512 while (BIT(ret) < count) { 513 ret++; 514 } 515 516 return ret; 517 } 518 519 static void create_fdt_one_imsic(RISCVVirtState *s, hwaddr base_addr, 520 uint32_t *intc_phandles, uint32_t msi_phandle, 521 bool m_mode, uint32_t imsic_guest_bits) 522 { 523 int cpu, socket; 524 g_autofree char *imsic_name = NULL; 525 MachineState *ms = MACHINE(s); 526 int socket_count = riscv_socket_count(ms); 527 uint32_t imsic_max_hart_per_socket, imsic_addr, imsic_size; 528 g_autofree uint32_t *imsic_cells = NULL; 529 g_autofree uint32_t *imsic_regs = NULL; 530 static const char * const imsic_compat[2] = { 531 "qemu,imsics", "riscv,imsics" 532 }; 533 534 imsic_cells = g_new0(uint32_t, ms->smp.cpus * 2); 535 imsic_regs = g_new0(uint32_t, socket_count * 4); 536 537 for (cpu = 0; cpu < ms->smp.cpus; cpu++) { 538 imsic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); 539 imsic_cells[cpu * 2 + 1] = cpu_to_be32(m_mode ? IRQ_M_EXT : IRQ_S_EXT); 540 } 541 542 imsic_max_hart_per_socket = 0; 543 for (socket = 0; socket < socket_count; socket++) { 544 imsic_addr = base_addr + socket * VIRT_IMSIC_GROUP_MAX_SIZE; 545 imsic_size = IMSIC_HART_SIZE(imsic_guest_bits) * 546 s->soc[socket].num_harts; 547 imsic_regs[socket * 4 + 0] = 0; 548 imsic_regs[socket * 4 + 1] = cpu_to_be32(imsic_addr); 549 imsic_regs[socket * 4 + 2] = 0; 550 imsic_regs[socket * 4 + 3] = cpu_to_be32(imsic_size); 551 if (imsic_max_hart_per_socket < s->soc[socket].num_harts) { 552 imsic_max_hart_per_socket = s->soc[socket].num_harts; 553 } 554 } 555 556 imsic_name = g_strdup_printf("/soc/interrupt-controller@%lx", 557 (unsigned long)base_addr); 558 qemu_fdt_add_subnode(ms->fdt, imsic_name); 559 qemu_fdt_setprop_string_array(ms->fdt, imsic_name, "compatible", 560 (char **)&imsic_compat, 561 ARRAY_SIZE(imsic_compat)); 562 563 qemu_fdt_setprop_cell(ms->fdt, imsic_name, "#interrupt-cells", 564 FDT_IMSIC_INT_CELLS); 565 qemu_fdt_setprop(ms->fdt, imsic_name, "interrupt-controller", NULL, 0); 566 qemu_fdt_setprop(ms->fdt, imsic_name, "msi-controller", NULL, 0); 567 qemu_fdt_setprop(ms->fdt, imsic_name, "interrupts-extended", 568 imsic_cells, ms->smp.cpus * sizeof(uint32_t) * 2); 569 qemu_fdt_setprop(ms->fdt, imsic_name, "reg", imsic_regs, 570 socket_count * sizeof(uint32_t) * 4); 571 qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,num-ids", 572 VIRT_IRQCHIP_NUM_MSIS); 573 574 if (imsic_guest_bits) { 575 qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,guest-index-bits", 576 imsic_guest_bits); 577 } 578 579 if (socket_count > 1) { 580 qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,hart-index-bits", 581 imsic_num_bits(imsic_max_hart_per_socket)); 582 qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,group-index-bits", 583 imsic_num_bits(socket_count)); 584 qemu_fdt_setprop_cell(ms->fdt, imsic_name, "riscv,group-index-shift", 585 IMSIC_MMIO_GROUP_MIN_SHIFT); 586 } 587 qemu_fdt_setprop_cell(ms->fdt, imsic_name, "phandle", msi_phandle); 588 } 589 590 static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap, 591 uint32_t *phandle, uint32_t *intc_phandles, 592 uint32_t *msi_m_phandle, uint32_t *msi_s_phandle) 593 { 594 *msi_m_phandle = (*phandle)++; 595 *msi_s_phandle = (*phandle)++; 596 597 if (!kvm_enabled()) { 598 /* M-level IMSIC node */ 599 create_fdt_one_imsic(s, memmap[VIRT_IMSIC_M].base, intc_phandles, 600 *msi_m_phandle, true, 0); 601 } 602 603 /* S-level IMSIC node */ 604 create_fdt_one_imsic(s, memmap[VIRT_IMSIC_S].base, intc_phandles, 605 *msi_s_phandle, false, 606 imsic_num_bits(s->aia_guests + 1)); 607 608 } 609 610 /* Caller must free string after use */ 611 static char *fdt_get_aplic_nodename(unsigned long aplic_addr) 612 { 613 return g_strdup_printf("/soc/interrupt-controller@%lx", aplic_addr); 614 } 615 616 static void create_fdt_one_aplic(RISCVVirtState *s, int socket, 617 unsigned long aplic_addr, uint32_t aplic_size, 618 uint32_t msi_phandle, 619 uint32_t *intc_phandles, 620 uint32_t aplic_phandle, 621 uint32_t aplic_child_phandle, 622 bool m_mode, int num_harts) 623 { 624 int cpu; 625 g_autofree char *aplic_name = fdt_get_aplic_nodename(aplic_addr); 626 g_autofree uint32_t *aplic_cells = g_new0(uint32_t, num_harts * 2); 627 MachineState *ms = MACHINE(s); 628 static const char * const aplic_compat[2] = { 629 "qemu,aplic", "riscv,aplic" 630 }; 631 632 for (cpu = 0; cpu < num_harts; cpu++) { 633 aplic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]); 634 aplic_cells[cpu * 2 + 1] = cpu_to_be32(m_mode ? IRQ_M_EXT : IRQ_S_EXT); 635 } 636 637 qemu_fdt_add_subnode(ms->fdt, aplic_name); 638 qemu_fdt_setprop_string_array(ms->fdt, aplic_name, "compatible", 639 (char **)&aplic_compat, 640 ARRAY_SIZE(aplic_compat)); 641 qemu_fdt_setprop_cell(ms->fdt, aplic_name, "#address-cells", 642 FDT_APLIC_ADDR_CELLS); 643 qemu_fdt_setprop_cell(ms->fdt, aplic_name, 644 "#interrupt-cells", FDT_APLIC_INT_CELLS); 645 qemu_fdt_setprop(ms->fdt, aplic_name, "interrupt-controller", NULL, 0); 646 647 if (s->aia_type == VIRT_AIA_TYPE_APLIC) { 648 qemu_fdt_setprop(ms->fdt, aplic_name, "interrupts-extended", 649 aplic_cells, num_harts * sizeof(uint32_t) * 2); 650 } else { 651 qemu_fdt_setprop_cell(ms->fdt, aplic_name, "msi-parent", msi_phandle); 652 } 653 654 qemu_fdt_setprop_cells(ms->fdt, aplic_name, "reg", 655 0x0, aplic_addr, 0x0, aplic_size); 656 qemu_fdt_setprop_cell(ms->fdt, aplic_name, "riscv,num-sources", 657 VIRT_IRQCHIP_NUM_SOURCES); 658 659 if (aplic_child_phandle) { 660 qemu_fdt_setprop_cell(ms->fdt, aplic_name, "riscv,children", 661 aplic_child_phandle); 662 qemu_fdt_setprop_cells(ms->fdt, aplic_name, "riscv,delegation", 663 aplic_child_phandle, 0x1, 664 VIRT_IRQCHIP_NUM_SOURCES); 665 /* 666 * DEPRECATED_9.1: Compat property kept temporarily 667 * to allow old firmwares to work with AIA. Do *not* 668 * use 'riscv,delegate' in new code: use 669 * 'riscv,delegation' instead. 670 */ 671 qemu_fdt_setprop_cells(ms->fdt, aplic_name, "riscv,delegate", 672 aplic_child_phandle, 0x1, 673 VIRT_IRQCHIP_NUM_SOURCES); 674 } 675 676 riscv_socket_fdt_write_id(ms, aplic_name, socket); 677 qemu_fdt_setprop_cell(ms->fdt, aplic_name, "phandle", aplic_phandle); 678 } 679 680 static void create_fdt_socket_aplic(RISCVVirtState *s, 681 const MemMapEntry *memmap, int socket, 682 uint32_t msi_m_phandle, 683 uint32_t msi_s_phandle, 684 uint32_t *phandle, 685 uint32_t *intc_phandles, 686 uint32_t *aplic_phandles, 687 int num_harts) 688 { 689 unsigned long aplic_addr; 690 MachineState *ms = MACHINE(s); 691 uint32_t aplic_m_phandle, aplic_s_phandle; 692 693 aplic_m_phandle = (*phandle)++; 694 aplic_s_phandle = (*phandle)++; 695 696 if (!kvm_enabled()) { 697 /* M-level APLIC node */ 698 aplic_addr = memmap[VIRT_APLIC_M].base + 699 (memmap[VIRT_APLIC_M].size * socket); 700 create_fdt_one_aplic(s, socket, aplic_addr, memmap[VIRT_APLIC_M].size, 701 msi_m_phandle, intc_phandles, 702 aplic_m_phandle, aplic_s_phandle, 703 true, num_harts); 704 } 705 706 /* S-level APLIC node */ 707 aplic_addr = memmap[VIRT_APLIC_S].base + 708 (memmap[VIRT_APLIC_S].size * socket); 709 create_fdt_one_aplic(s, socket, aplic_addr, memmap[VIRT_APLIC_S].size, 710 msi_s_phandle, intc_phandles, 711 aplic_s_phandle, 0, 712 false, num_harts); 713 714 if (!socket) { 715 g_autofree char *aplic_name = fdt_get_aplic_nodename(aplic_addr); 716 platform_bus_add_all_fdt_nodes(ms->fdt, aplic_name, 717 memmap[VIRT_PLATFORM_BUS].base, 718 memmap[VIRT_PLATFORM_BUS].size, 719 VIRT_PLATFORM_BUS_IRQ); 720 } 721 722 aplic_phandles[socket] = aplic_s_phandle; 723 } 724 725 static void create_fdt_pmu(RISCVVirtState *s) 726 { 727 g_autofree char *pmu_name = g_strdup_printf("/pmu"); 728 MachineState *ms = MACHINE(s); 729 RISCVCPU hart = s->soc[0].harts[0]; 730 731 qemu_fdt_add_subnode(ms->fdt, pmu_name); 732 qemu_fdt_setprop_string(ms->fdt, pmu_name, "compatible", "riscv,pmu"); 733 riscv_pmu_generate_fdt_node(ms->fdt, hart.pmu_avail_ctrs, pmu_name); 734 } 735 736 static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap, 737 uint32_t *phandle, 738 uint32_t *irq_mmio_phandle, 739 uint32_t *irq_pcie_phandle, 740 uint32_t *irq_virtio_phandle, 741 uint32_t *msi_pcie_phandle) 742 { 743 int socket, phandle_pos; 744 MachineState *ms = MACHINE(s); 745 uint32_t msi_m_phandle = 0, msi_s_phandle = 0; 746 uint32_t xplic_phandles[MAX_NODES]; 747 g_autofree uint32_t *intc_phandles = NULL; 748 int socket_count = riscv_socket_count(ms); 749 750 qemu_fdt_add_subnode(ms->fdt, "/cpus"); 751 qemu_fdt_setprop_cell(ms->fdt, "/cpus", "timebase-frequency", 752 kvm_enabled() ? 753 kvm_riscv_get_timebase_frequency(&s->soc->harts[0]) : 754 RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ); 755 qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#size-cells", 0x0); 756 qemu_fdt_setprop_cell(ms->fdt, "/cpus", "#address-cells", 0x1); 757 qemu_fdt_add_subnode(ms->fdt, "/cpus/cpu-map"); 758 759 intc_phandles = g_new0(uint32_t, ms->smp.cpus); 760 761 phandle_pos = ms->smp.cpus; 762 for (socket = (socket_count - 1); socket >= 0; socket--) { 763 g_autofree char *clust_name = NULL; 764 phandle_pos -= s->soc[socket].num_harts; 765 766 clust_name = g_strdup_printf("/cpus/cpu-map/cluster%d", socket); 767 qemu_fdt_add_subnode(ms->fdt, clust_name); 768 769 create_fdt_socket_cpus(s, socket, clust_name, phandle, 770 &intc_phandles[phandle_pos]); 771 772 create_fdt_socket_memory(s, memmap, socket); 773 774 if (virt_aclint_allowed() && s->have_aclint) { 775 create_fdt_socket_aclint(s, memmap, socket, 776 &intc_phandles[phandle_pos]); 777 } else if (tcg_enabled()) { 778 create_fdt_socket_clint(s, memmap, socket, 779 &intc_phandles[phandle_pos]); 780 } 781 } 782 783 if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) { 784 create_fdt_imsic(s, memmap, phandle, intc_phandles, 785 &msi_m_phandle, &msi_s_phandle); 786 *msi_pcie_phandle = msi_s_phandle; 787 } 788 789 /* 790 * With KVM AIA aplic-imsic, using an irqchip without split 791 * mode, we'll use only one APLIC instance. 792 */ 793 if (!virt_use_emulated_aplic(s->aia_type)) { 794 create_fdt_socket_aplic(s, memmap, 0, 795 msi_m_phandle, msi_s_phandle, phandle, 796 &intc_phandles[0], xplic_phandles, 797 ms->smp.cpus); 798 799 *irq_mmio_phandle = xplic_phandles[0]; 800 *irq_virtio_phandle = xplic_phandles[0]; 801 *irq_pcie_phandle = xplic_phandles[0]; 802 } else { 803 phandle_pos = ms->smp.cpus; 804 for (socket = (socket_count - 1); socket >= 0; socket--) { 805 phandle_pos -= s->soc[socket].num_harts; 806 807 if (s->aia_type == VIRT_AIA_TYPE_NONE) { 808 create_fdt_socket_plic(s, memmap, socket, phandle, 809 &intc_phandles[phandle_pos], 810 xplic_phandles); 811 } else { 812 create_fdt_socket_aplic(s, memmap, socket, 813 msi_m_phandle, msi_s_phandle, phandle, 814 &intc_phandles[phandle_pos], 815 xplic_phandles, 816 s->soc[socket].num_harts); 817 } 818 } 819 820 for (socket = 0; socket < socket_count; socket++) { 821 if (socket == 0) { 822 *irq_mmio_phandle = xplic_phandles[socket]; 823 *irq_virtio_phandle = xplic_phandles[socket]; 824 *irq_pcie_phandle = xplic_phandles[socket]; 825 } 826 if (socket == 1) { 827 *irq_virtio_phandle = xplic_phandles[socket]; 828 *irq_pcie_phandle = xplic_phandles[socket]; 829 } 830 if (socket == 2) { 831 *irq_pcie_phandle = xplic_phandles[socket]; 832 } 833 } 834 } 835 836 riscv_socket_fdt_write_distance_matrix(ms); 837 } 838 839 static void create_fdt_virtio(RISCVVirtState *s, const MemMapEntry *memmap, 840 uint32_t irq_virtio_phandle) 841 { 842 int i; 843 MachineState *ms = MACHINE(s); 844 845 for (i = 0; i < VIRTIO_COUNT; i++) { 846 g_autofree char *name = g_strdup_printf("/soc/virtio_mmio@%lx", 847 (long)(memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size)); 848 849 qemu_fdt_add_subnode(ms->fdt, name); 850 qemu_fdt_setprop_string(ms->fdt, name, "compatible", "virtio,mmio"); 851 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 852 0x0, memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size, 853 0x0, memmap[VIRT_VIRTIO].size); 854 qemu_fdt_setprop_cell(ms->fdt, name, "interrupt-parent", 855 irq_virtio_phandle); 856 if (s->aia_type == VIRT_AIA_TYPE_NONE) { 857 qemu_fdt_setprop_cell(ms->fdt, name, "interrupts", 858 VIRTIO_IRQ + i); 859 } else { 860 qemu_fdt_setprop_cells(ms->fdt, name, "interrupts", 861 VIRTIO_IRQ + i, 0x4); 862 } 863 } 864 } 865 866 static void create_fdt_pcie(RISCVVirtState *s, const MemMapEntry *memmap, 867 uint32_t irq_pcie_phandle, 868 uint32_t msi_pcie_phandle, 869 uint32_t iommu_sys_phandle) 870 { 871 g_autofree char *name = NULL; 872 MachineState *ms = MACHINE(s); 873 874 name = g_strdup_printf("/soc/pci@%lx", 875 (long) memmap[VIRT_PCIE_ECAM].base); 876 qemu_fdt_setprop_cell(ms->fdt, name, "#address-cells", 877 FDT_PCI_ADDR_CELLS); 878 qemu_fdt_setprop_cell(ms->fdt, name, "#interrupt-cells", 879 FDT_PCI_INT_CELLS); 880 qemu_fdt_setprop_cell(ms->fdt, name, "#size-cells", 0x2); 881 qemu_fdt_setprop_string(ms->fdt, name, "compatible", 882 "pci-host-ecam-generic"); 883 qemu_fdt_setprop_string(ms->fdt, name, "device_type", "pci"); 884 qemu_fdt_setprop_cell(ms->fdt, name, "linux,pci-domain", 0); 885 qemu_fdt_setprop_cells(ms->fdt, name, "bus-range", 0, 886 memmap[VIRT_PCIE_ECAM].size / PCIE_MMCFG_SIZE_MIN - 1); 887 qemu_fdt_setprop(ms->fdt, name, "dma-coherent", NULL, 0); 888 if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) { 889 qemu_fdt_setprop_cell(ms->fdt, name, "msi-parent", msi_pcie_phandle); 890 } 891 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 0, 892 memmap[VIRT_PCIE_ECAM].base, 0, memmap[VIRT_PCIE_ECAM].size); 893 qemu_fdt_setprop_sized_cells(ms->fdt, name, "ranges", 894 1, FDT_PCI_RANGE_IOPORT, 2, 0, 895 2, memmap[VIRT_PCIE_PIO].base, 2, memmap[VIRT_PCIE_PIO].size, 896 1, FDT_PCI_RANGE_MMIO, 897 2, memmap[VIRT_PCIE_MMIO].base, 898 2, memmap[VIRT_PCIE_MMIO].base, 2, memmap[VIRT_PCIE_MMIO].size, 899 1, FDT_PCI_RANGE_MMIO_64BIT, 900 2, virt_high_pcie_memmap.base, 901 2, virt_high_pcie_memmap.base, 2, virt_high_pcie_memmap.size); 902 903 if (virt_is_iommu_sys_enabled(s)) { 904 qemu_fdt_setprop_cells(ms->fdt, name, "iommu-map", 905 0, iommu_sys_phandle, 0, 0, 0, 906 iommu_sys_phandle, 0, 0xffff); 907 } 908 909 create_pcie_irq_map(s, ms->fdt, name, irq_pcie_phandle); 910 } 911 912 static void create_fdt_reset(RISCVVirtState *s, const MemMapEntry *memmap, 913 uint32_t *phandle) 914 { 915 char *name; 916 uint32_t test_phandle; 917 MachineState *ms = MACHINE(s); 918 919 test_phandle = (*phandle)++; 920 name = g_strdup_printf("/soc/test@%lx", 921 (long)memmap[VIRT_TEST].base); 922 qemu_fdt_add_subnode(ms->fdt, name); 923 { 924 static const char * const compat[3] = { 925 "sifive,test1", "sifive,test0", "syscon" 926 }; 927 qemu_fdt_setprop_string_array(ms->fdt, name, "compatible", 928 (char **)&compat, ARRAY_SIZE(compat)); 929 } 930 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 931 0x0, memmap[VIRT_TEST].base, 0x0, memmap[VIRT_TEST].size); 932 qemu_fdt_setprop_cell(ms->fdt, name, "phandle", test_phandle); 933 test_phandle = qemu_fdt_get_phandle(ms->fdt, name); 934 g_free(name); 935 936 name = g_strdup_printf("/reboot"); 937 qemu_fdt_add_subnode(ms->fdt, name); 938 qemu_fdt_setprop_string(ms->fdt, name, "compatible", "syscon-reboot"); 939 qemu_fdt_setprop_cell(ms->fdt, name, "regmap", test_phandle); 940 qemu_fdt_setprop_cell(ms->fdt, name, "offset", 0x0); 941 qemu_fdt_setprop_cell(ms->fdt, name, "value", FINISHER_RESET); 942 g_free(name); 943 944 name = g_strdup_printf("/poweroff"); 945 qemu_fdt_add_subnode(ms->fdt, name); 946 qemu_fdt_setprop_string(ms->fdt, name, "compatible", "syscon-poweroff"); 947 qemu_fdt_setprop_cell(ms->fdt, name, "regmap", test_phandle); 948 qemu_fdt_setprop_cell(ms->fdt, name, "offset", 0x0); 949 qemu_fdt_setprop_cell(ms->fdt, name, "value", FINISHER_PASS); 950 g_free(name); 951 } 952 953 static void create_fdt_uart(RISCVVirtState *s, const MemMapEntry *memmap, 954 uint32_t irq_mmio_phandle) 955 { 956 g_autofree char *name = NULL; 957 MachineState *ms = MACHINE(s); 958 959 name = g_strdup_printf("/soc/serial@%lx", (long)memmap[VIRT_UART0].base); 960 qemu_fdt_add_subnode(ms->fdt, name); 961 qemu_fdt_setprop_string(ms->fdt, name, "compatible", "ns16550a"); 962 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 963 0x0, memmap[VIRT_UART0].base, 964 0x0, memmap[VIRT_UART0].size); 965 qemu_fdt_setprop_cell(ms->fdt, name, "clock-frequency", 3686400); 966 qemu_fdt_setprop_cell(ms->fdt, name, "interrupt-parent", irq_mmio_phandle); 967 if (s->aia_type == VIRT_AIA_TYPE_NONE) { 968 qemu_fdt_setprop_cell(ms->fdt, name, "interrupts", UART0_IRQ); 969 } else { 970 qemu_fdt_setprop_cells(ms->fdt, name, "interrupts", UART0_IRQ, 0x4); 971 } 972 973 qemu_fdt_setprop_string(ms->fdt, "/chosen", "stdout-path", name); 974 } 975 976 static void create_fdt_rtc(RISCVVirtState *s, const MemMapEntry *memmap, 977 uint32_t irq_mmio_phandle) 978 { 979 g_autofree char *name = NULL; 980 MachineState *ms = MACHINE(s); 981 982 name = g_strdup_printf("/soc/rtc@%lx", (long)memmap[VIRT_RTC].base); 983 qemu_fdt_add_subnode(ms->fdt, name); 984 qemu_fdt_setprop_string(ms->fdt, name, "compatible", 985 "google,goldfish-rtc"); 986 qemu_fdt_setprop_cells(ms->fdt, name, "reg", 987 0x0, memmap[VIRT_RTC].base, 0x0, memmap[VIRT_RTC].size); 988 qemu_fdt_setprop_cell(ms->fdt, name, "interrupt-parent", 989 irq_mmio_phandle); 990 if (s->aia_type == VIRT_AIA_TYPE_NONE) { 991 qemu_fdt_setprop_cell(ms->fdt, name, "interrupts", RTC_IRQ); 992 } else { 993 qemu_fdt_setprop_cells(ms->fdt, name, "interrupts", RTC_IRQ, 0x4); 994 } 995 } 996 997 static void create_fdt_flash(RISCVVirtState *s, const MemMapEntry *memmap) 998 { 999 MachineState *ms = MACHINE(s); 1000 hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2; 1001 hwaddr flashbase = virt_memmap[VIRT_FLASH].base; 1002 g_autofree char *name = g_strdup_printf("/flash@%" PRIx64, flashbase); 1003 1004 qemu_fdt_add_subnode(ms->fdt, name); 1005 qemu_fdt_setprop_string(ms->fdt, name, "compatible", "cfi-flash"); 1006 qemu_fdt_setprop_sized_cells(ms->fdt, name, "reg", 1007 2, flashbase, 2, flashsize, 1008 2, flashbase + flashsize, 2, flashsize); 1009 qemu_fdt_setprop_cell(ms->fdt, name, "bank-width", 4); 1010 } 1011 1012 static void create_fdt_fw_cfg(RISCVVirtState *s, const MemMapEntry *memmap) 1013 { 1014 MachineState *ms = MACHINE(s); 1015 hwaddr base = memmap[VIRT_FW_CFG].base; 1016 hwaddr size = memmap[VIRT_FW_CFG].size; 1017 g_autofree char *nodename = g_strdup_printf("/fw-cfg@%" PRIx64, base); 1018 1019 qemu_fdt_add_subnode(ms->fdt, nodename); 1020 qemu_fdt_setprop_string(ms->fdt, nodename, 1021 "compatible", "qemu,fw-cfg-mmio"); 1022 qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg", 1023 2, base, 2, size); 1024 qemu_fdt_setprop(ms->fdt, nodename, "dma-coherent", NULL, 0); 1025 } 1026 1027 static void create_fdt_virtio_iommu(RISCVVirtState *s, uint16_t bdf) 1028 { 1029 const char compat[] = "virtio,pci-iommu\0pci1af4,1057"; 1030 void *fdt = MACHINE(s)->fdt; 1031 uint32_t iommu_phandle; 1032 g_autofree char *iommu_node = NULL; 1033 g_autofree char *pci_node = NULL; 1034 1035 pci_node = g_strdup_printf("/soc/pci@%lx", 1036 (long) virt_memmap[VIRT_PCIE_ECAM].base); 1037 iommu_node = g_strdup_printf("%s/virtio_iommu@%x,%x", pci_node, 1038 PCI_SLOT(bdf), PCI_FUNC(bdf)); 1039 iommu_phandle = qemu_fdt_alloc_phandle(fdt); 1040 1041 qemu_fdt_add_subnode(fdt, iommu_node); 1042 1043 qemu_fdt_setprop(fdt, iommu_node, "compatible", compat, sizeof(compat)); 1044 qemu_fdt_setprop_sized_cells(fdt, iommu_node, "reg", 1045 1, bdf << 8, 1, 0, 1, 0, 1046 1, 0, 1, 0); 1047 qemu_fdt_setprop_cell(fdt, iommu_node, "#iommu-cells", 1); 1048 qemu_fdt_setprop_cell(fdt, iommu_node, "phandle", iommu_phandle); 1049 1050 qemu_fdt_setprop_cells(fdt, pci_node, "iommu-map", 1051 0, iommu_phandle, 0, bdf, 1052 bdf + 1, iommu_phandle, bdf + 1, 0xffff - bdf); 1053 } 1054 1055 static void create_fdt_iommu_sys(RISCVVirtState *s, uint32_t irq_chip, 1056 uint32_t msi_phandle, 1057 uint32_t *iommu_sys_phandle) 1058 { 1059 const char comp[] = "riscv,iommu"; 1060 void *fdt = MACHINE(s)->fdt; 1061 uint32_t iommu_phandle; 1062 g_autofree char *iommu_node = NULL; 1063 hwaddr addr = s->memmap[VIRT_IOMMU_SYS].base; 1064 hwaddr size = s->memmap[VIRT_IOMMU_SYS].size; 1065 uint32_t iommu_irq_map[RISCV_IOMMU_INTR_COUNT] = { 1066 IOMMU_SYS_IRQ + RISCV_IOMMU_INTR_CQ, 1067 IOMMU_SYS_IRQ + RISCV_IOMMU_INTR_FQ, 1068 IOMMU_SYS_IRQ + RISCV_IOMMU_INTR_PM, 1069 IOMMU_SYS_IRQ + RISCV_IOMMU_INTR_PQ, 1070 }; 1071 1072 iommu_node = g_strdup_printf("/soc/iommu@%x", 1073 (unsigned int) s->memmap[VIRT_IOMMU_SYS].base); 1074 iommu_phandle = qemu_fdt_alloc_phandle(fdt); 1075 qemu_fdt_add_subnode(fdt, iommu_node); 1076 1077 qemu_fdt_setprop(fdt, iommu_node, "compatible", comp, sizeof(comp)); 1078 qemu_fdt_setprop_cell(fdt, iommu_node, "#iommu-cells", 1); 1079 qemu_fdt_setprop_cell(fdt, iommu_node, "phandle", iommu_phandle); 1080 1081 qemu_fdt_setprop_cells(fdt, iommu_node, "reg", 1082 addr >> 32, addr, size >> 32, size); 1083 qemu_fdt_setprop_cell(fdt, iommu_node, "interrupt-parent", irq_chip); 1084 1085 qemu_fdt_setprop_cells(fdt, iommu_node, "interrupts", 1086 iommu_irq_map[0], FDT_IRQ_TYPE_EDGE_LOW, 1087 iommu_irq_map[1], FDT_IRQ_TYPE_EDGE_LOW, 1088 iommu_irq_map[2], FDT_IRQ_TYPE_EDGE_LOW, 1089 iommu_irq_map[3], FDT_IRQ_TYPE_EDGE_LOW); 1090 1091 qemu_fdt_setprop_cell(fdt, iommu_node, "msi-parent", msi_phandle); 1092 1093 *iommu_sys_phandle = iommu_phandle; 1094 } 1095 1096 static void create_fdt_iommu(RISCVVirtState *s, uint16_t bdf) 1097 { 1098 const char comp[] = "riscv,pci-iommu"; 1099 void *fdt = MACHINE(s)->fdt; 1100 uint32_t iommu_phandle; 1101 g_autofree char *iommu_node = NULL; 1102 g_autofree char *pci_node = NULL; 1103 1104 pci_node = g_strdup_printf("/soc/pci@%lx", 1105 (long) virt_memmap[VIRT_PCIE_ECAM].base); 1106 iommu_node = g_strdup_printf("%s/iommu@%x", pci_node, bdf); 1107 iommu_phandle = qemu_fdt_alloc_phandle(fdt); 1108 qemu_fdt_add_subnode(fdt, iommu_node); 1109 1110 qemu_fdt_setprop(fdt, iommu_node, "compatible", comp, sizeof(comp)); 1111 qemu_fdt_setprop_cell(fdt, iommu_node, "#iommu-cells", 1); 1112 qemu_fdt_setprop_cell(fdt, iommu_node, "phandle", iommu_phandle); 1113 qemu_fdt_setprop_cells(fdt, iommu_node, "reg", 1114 bdf << 8, 0, 0, 0, 0); 1115 qemu_fdt_setprop_cells(fdt, pci_node, "iommu-map", 1116 0, iommu_phandle, 0, bdf, 1117 bdf + 1, iommu_phandle, bdf + 1, 0xffff - bdf); 1118 } 1119 1120 static void finalize_fdt(RISCVVirtState *s) 1121 { 1122 uint32_t phandle = 1, irq_mmio_phandle = 1, msi_pcie_phandle = 1; 1123 uint32_t irq_pcie_phandle = 1, irq_virtio_phandle = 1; 1124 uint32_t iommu_sys_phandle = 1; 1125 1126 create_fdt_sockets(s, virt_memmap, &phandle, &irq_mmio_phandle, 1127 &irq_pcie_phandle, &irq_virtio_phandle, 1128 &msi_pcie_phandle); 1129 1130 create_fdt_virtio(s, virt_memmap, irq_virtio_phandle); 1131 1132 if (virt_is_iommu_sys_enabled(s)) { 1133 create_fdt_iommu_sys(s, irq_mmio_phandle, msi_pcie_phandle, 1134 &iommu_sys_phandle); 1135 } 1136 create_fdt_pcie(s, virt_memmap, irq_pcie_phandle, msi_pcie_phandle, 1137 iommu_sys_phandle); 1138 1139 create_fdt_reset(s, virt_memmap, &phandle); 1140 1141 create_fdt_uart(s, virt_memmap, irq_mmio_phandle); 1142 1143 create_fdt_rtc(s, virt_memmap, irq_mmio_phandle); 1144 } 1145 1146 static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap) 1147 { 1148 MachineState *ms = MACHINE(s); 1149 uint8_t rng_seed[32]; 1150 g_autofree char *name = NULL; 1151 1152 ms->fdt = create_device_tree(&s->fdt_size); 1153 if (!ms->fdt) { 1154 error_report("create_device_tree() failed"); 1155 exit(1); 1156 } 1157 1158 qemu_fdt_setprop_string(ms->fdt, "/", "model", "riscv-virtio,qemu"); 1159 qemu_fdt_setprop_string(ms->fdt, "/", "compatible", "riscv-virtio"); 1160 qemu_fdt_setprop_cell(ms->fdt, "/", "#size-cells", 0x2); 1161 qemu_fdt_setprop_cell(ms->fdt, "/", "#address-cells", 0x2); 1162 1163 qemu_fdt_add_subnode(ms->fdt, "/soc"); 1164 qemu_fdt_setprop(ms->fdt, "/soc", "ranges", NULL, 0); 1165 qemu_fdt_setprop_string(ms->fdt, "/soc", "compatible", "simple-bus"); 1166 qemu_fdt_setprop_cell(ms->fdt, "/soc", "#size-cells", 0x2); 1167 qemu_fdt_setprop_cell(ms->fdt, "/soc", "#address-cells", 0x2); 1168 1169 /* 1170 * The "/soc/pci@..." node is needed for PCIE hotplugs 1171 * that might happen before finalize_fdt(). 1172 */ 1173 name = g_strdup_printf("/soc/pci@%lx", (long) memmap[VIRT_PCIE_ECAM].base); 1174 qemu_fdt_add_subnode(ms->fdt, name); 1175 1176 qemu_fdt_add_subnode(ms->fdt, "/chosen"); 1177 1178 /* Pass seed to RNG */ 1179 qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); 1180 qemu_fdt_setprop(ms->fdt, "/chosen", "rng-seed", 1181 rng_seed, sizeof(rng_seed)); 1182 1183 create_fdt_flash(s, memmap); 1184 create_fdt_fw_cfg(s, memmap); 1185 create_fdt_pmu(s); 1186 } 1187 1188 static inline DeviceState *gpex_pcie_init(MemoryRegion *sys_mem, 1189 DeviceState *irqchip, 1190 RISCVVirtState *s) 1191 { 1192 DeviceState *dev; 1193 MemoryRegion *ecam_alias, *ecam_reg; 1194 MemoryRegion *mmio_alias, *high_mmio_alias, *mmio_reg; 1195 hwaddr ecam_base = s->memmap[VIRT_PCIE_ECAM].base; 1196 hwaddr ecam_size = s->memmap[VIRT_PCIE_ECAM].size; 1197 hwaddr mmio_base = s->memmap[VIRT_PCIE_MMIO].base; 1198 hwaddr mmio_size = s->memmap[VIRT_PCIE_MMIO].size; 1199 hwaddr high_mmio_base = virt_high_pcie_memmap.base; 1200 hwaddr high_mmio_size = virt_high_pcie_memmap.size; 1201 hwaddr pio_base = s->memmap[VIRT_PCIE_PIO].base; 1202 hwaddr pio_size = s->memmap[VIRT_PCIE_PIO].size; 1203 qemu_irq irq; 1204 int i; 1205 1206 dev = qdev_new(TYPE_GPEX_HOST); 1207 1208 /* Set GPEX object properties for the virt machine */ 1209 object_property_set_uint(OBJECT(dev), PCI_HOST_ECAM_BASE, 1210 ecam_base, NULL); 1211 object_property_set_int(OBJECT(dev), PCI_HOST_ECAM_SIZE, 1212 ecam_size, NULL); 1213 object_property_set_uint(OBJECT(dev), PCI_HOST_BELOW_4G_MMIO_BASE, 1214 mmio_base, NULL); 1215 object_property_set_int(OBJECT(dev), PCI_HOST_BELOW_4G_MMIO_SIZE, 1216 mmio_size, NULL); 1217 object_property_set_uint(OBJECT(dev), PCI_HOST_ABOVE_4G_MMIO_BASE, 1218 high_mmio_base, NULL); 1219 object_property_set_int(OBJECT(dev), PCI_HOST_ABOVE_4G_MMIO_SIZE, 1220 high_mmio_size, NULL); 1221 object_property_set_uint(OBJECT(dev), PCI_HOST_PIO_BASE, 1222 pio_base, NULL); 1223 object_property_set_int(OBJECT(dev), PCI_HOST_PIO_SIZE, 1224 pio_size, NULL); 1225 1226 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 1227 1228 ecam_alias = g_new0(MemoryRegion, 1); 1229 ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); 1230 memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam", 1231 ecam_reg, 0, ecam_size); 1232 memory_region_add_subregion(get_system_memory(), ecam_base, ecam_alias); 1233 1234 mmio_alias = g_new0(MemoryRegion, 1); 1235 mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); 1236 memory_region_init_alias(mmio_alias, OBJECT(dev), "pcie-mmio", 1237 mmio_reg, mmio_base, mmio_size); 1238 memory_region_add_subregion(get_system_memory(), mmio_base, mmio_alias); 1239 1240 /* Map high MMIO space */ 1241 high_mmio_alias = g_new0(MemoryRegion, 1); 1242 memory_region_init_alias(high_mmio_alias, OBJECT(dev), "pcie-mmio-high", 1243 mmio_reg, high_mmio_base, high_mmio_size); 1244 memory_region_add_subregion(get_system_memory(), high_mmio_base, 1245 high_mmio_alias); 1246 1247 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, pio_base); 1248 1249 for (i = 0; i < PCI_NUM_PINS; i++) { 1250 irq = qdev_get_gpio_in(irqchip, PCIE_IRQ + i); 1251 1252 sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, irq); 1253 gpex_set_irq_num(GPEX_HOST(dev), i, PCIE_IRQ + i); 1254 } 1255 1256 GPEX_HOST(dev)->gpex_cfg.bus = PCI_HOST_BRIDGE(dev)->bus; 1257 return dev; 1258 } 1259 1260 static FWCfgState *create_fw_cfg(const MachineState *ms) 1261 { 1262 hwaddr base = virt_memmap[VIRT_FW_CFG].base; 1263 FWCfgState *fw_cfg; 1264 1265 fw_cfg = fw_cfg_init_mem_wide(base + 8, base, 8, base + 16, 1266 &address_space_memory); 1267 fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, (uint16_t)ms->smp.cpus); 1268 1269 return fw_cfg; 1270 } 1271 1272 static DeviceState *virt_create_plic(const MemMapEntry *memmap, int socket, 1273 int base_hartid, int hart_count) 1274 { 1275 DeviceState *ret; 1276 g_autofree char *plic_hart_config = NULL; 1277 1278 /* Per-socket PLIC hart topology configuration string */ 1279 plic_hart_config = riscv_plic_hart_config_string(hart_count); 1280 1281 /* Per-socket PLIC */ 1282 ret = sifive_plic_create( 1283 memmap[VIRT_PLIC].base + socket * memmap[VIRT_PLIC].size, 1284 plic_hart_config, hart_count, base_hartid, 1285 VIRT_IRQCHIP_NUM_SOURCES, 1286 ((1U << VIRT_IRQCHIP_NUM_PRIO_BITS) - 1), 1287 VIRT_PLIC_PRIORITY_BASE, 1288 VIRT_PLIC_PENDING_BASE, 1289 VIRT_PLIC_ENABLE_BASE, 1290 VIRT_PLIC_ENABLE_STRIDE, 1291 VIRT_PLIC_CONTEXT_BASE, 1292 VIRT_PLIC_CONTEXT_STRIDE, 1293 memmap[VIRT_PLIC].size); 1294 1295 return ret; 1296 } 1297 1298 static DeviceState *virt_create_aia(RISCVVirtAIAType aia_type, int aia_guests, 1299 const MemMapEntry *memmap, int socket, 1300 int base_hartid, int hart_count) 1301 { 1302 int i; 1303 hwaddr addr = 0; 1304 uint32_t guest_bits; 1305 DeviceState *aplic_s = NULL; 1306 DeviceState *aplic_m = NULL; 1307 bool msimode = aia_type == VIRT_AIA_TYPE_APLIC_IMSIC; 1308 1309 if (msimode) { 1310 if (!kvm_enabled()) { 1311 /* Per-socket M-level IMSICs */ 1312 addr = memmap[VIRT_IMSIC_M].base + 1313 socket * VIRT_IMSIC_GROUP_MAX_SIZE; 1314 for (i = 0; i < hart_count; i++) { 1315 riscv_imsic_create(addr + i * IMSIC_HART_SIZE(0), 1316 base_hartid + i, true, 1, 1317 VIRT_IRQCHIP_NUM_MSIS); 1318 } 1319 } 1320 1321 /* Per-socket S-level IMSICs */ 1322 guest_bits = imsic_num_bits(aia_guests + 1); 1323 addr = memmap[VIRT_IMSIC_S].base + socket * VIRT_IMSIC_GROUP_MAX_SIZE; 1324 for (i = 0; i < hart_count; i++) { 1325 riscv_imsic_create(addr + i * IMSIC_HART_SIZE(guest_bits), 1326 base_hartid + i, false, 1 + aia_guests, 1327 VIRT_IRQCHIP_NUM_MSIS); 1328 } 1329 } 1330 1331 if (!kvm_enabled()) { 1332 /* Per-socket M-level APLIC */ 1333 aplic_m = riscv_aplic_create(memmap[VIRT_APLIC_M].base + 1334 socket * memmap[VIRT_APLIC_M].size, 1335 memmap[VIRT_APLIC_M].size, 1336 (msimode) ? 0 : base_hartid, 1337 (msimode) ? 0 : hart_count, 1338 VIRT_IRQCHIP_NUM_SOURCES, 1339 VIRT_IRQCHIP_NUM_PRIO_BITS, 1340 msimode, true, NULL); 1341 } 1342 1343 /* Per-socket S-level APLIC */ 1344 aplic_s = riscv_aplic_create(memmap[VIRT_APLIC_S].base + 1345 socket * memmap[VIRT_APLIC_S].size, 1346 memmap[VIRT_APLIC_S].size, 1347 (msimode) ? 0 : base_hartid, 1348 (msimode) ? 0 : hart_count, 1349 VIRT_IRQCHIP_NUM_SOURCES, 1350 VIRT_IRQCHIP_NUM_PRIO_BITS, 1351 msimode, false, aplic_m); 1352 1353 if (kvm_enabled() && msimode) { 1354 riscv_aplic_set_kvm_msicfgaddr(RISCV_APLIC(aplic_s), addr); 1355 } 1356 1357 return kvm_enabled() ? aplic_s : aplic_m; 1358 } 1359 1360 static void create_platform_bus(RISCVVirtState *s, DeviceState *irqchip) 1361 { 1362 DeviceState *dev; 1363 SysBusDevice *sysbus; 1364 const MemMapEntry *memmap = virt_memmap; 1365 int i; 1366 MemoryRegion *sysmem = get_system_memory(); 1367 1368 dev = qdev_new(TYPE_PLATFORM_BUS_DEVICE); 1369 dev->id = g_strdup(TYPE_PLATFORM_BUS_DEVICE); 1370 qdev_prop_set_uint32(dev, "num_irqs", VIRT_PLATFORM_BUS_NUM_IRQS); 1371 qdev_prop_set_uint32(dev, "mmio_size", memmap[VIRT_PLATFORM_BUS].size); 1372 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 1373 s->platform_bus_dev = dev; 1374 1375 sysbus = SYS_BUS_DEVICE(dev); 1376 for (i = 0; i < VIRT_PLATFORM_BUS_NUM_IRQS; i++) { 1377 int irq = VIRT_PLATFORM_BUS_IRQ + i; 1378 sysbus_connect_irq(sysbus, i, qdev_get_gpio_in(irqchip, irq)); 1379 } 1380 1381 memory_region_add_subregion(sysmem, 1382 memmap[VIRT_PLATFORM_BUS].base, 1383 sysbus_mmio_get_region(sysbus, 0)); 1384 } 1385 1386 static void virt_build_smbios(RISCVVirtState *s) 1387 { 1388 MachineClass *mc = MACHINE_GET_CLASS(s); 1389 MachineState *ms = MACHINE(s); 1390 uint8_t *smbios_tables, *smbios_anchor; 1391 size_t smbios_tables_len, smbios_anchor_len; 1392 struct smbios_phys_mem_area mem_array; 1393 const char *product = "QEMU Virtual Machine"; 1394 1395 if (kvm_enabled()) { 1396 product = "KVM Virtual Machine"; 1397 } 1398 1399 smbios_set_defaults("QEMU", product, mc->name); 1400 1401 if (riscv_is_32bit(&s->soc[0])) { 1402 smbios_set_default_processor_family(0x200); 1403 } else { 1404 smbios_set_default_processor_family(0x201); 1405 } 1406 1407 /* build the array of physical mem area from base_memmap */ 1408 mem_array.address = s->memmap[VIRT_DRAM].base; 1409 mem_array.length = ms->ram_size; 1410 1411 smbios_get_tables(ms, SMBIOS_ENTRY_POINT_TYPE_64, 1412 &mem_array, 1, 1413 &smbios_tables, &smbios_tables_len, 1414 &smbios_anchor, &smbios_anchor_len, 1415 &error_fatal); 1416 1417 if (smbios_anchor) { 1418 fw_cfg_add_file(s->fw_cfg, "etc/smbios/smbios-tables", 1419 smbios_tables, smbios_tables_len); 1420 fw_cfg_add_file(s->fw_cfg, "etc/smbios/smbios-anchor", 1421 smbios_anchor, smbios_anchor_len); 1422 } 1423 } 1424 1425 static void virt_machine_done(Notifier *notifier, void *data) 1426 { 1427 RISCVVirtState *s = container_of(notifier, RISCVVirtState, 1428 machine_done); 1429 const MemMapEntry *memmap = virt_memmap; 1430 MachineState *machine = MACHINE(s); 1431 hwaddr start_addr = memmap[VIRT_DRAM].base; 1432 target_ulong firmware_end_addr, kernel_start_addr; 1433 const char *firmware_name = riscv_default_firmware_name(&s->soc[0]); 1434 uint64_t fdt_load_addr; 1435 uint64_t kernel_entry = 0; 1436 BlockBackend *pflash_blk0; 1437 RISCVBootInfo boot_info; 1438 1439 /* 1440 * An user provided dtb must include everything, including 1441 * dynamic sysbus devices. Our FDT needs to be finalized. 1442 */ 1443 if (machine->dtb == NULL) { 1444 finalize_fdt(s); 1445 } 1446 1447 /* 1448 * Only direct boot kernel is currently supported for KVM VM, 1449 * so the "-bios" parameter is not supported when KVM is enabled. 1450 */ 1451 if (kvm_enabled()) { 1452 if (machine->firmware) { 1453 if (strcmp(machine->firmware, "none")) { 1454 error_report("Machine mode firmware is not supported in " 1455 "combination with KVM."); 1456 exit(1); 1457 } 1458 } else { 1459 machine->firmware = g_strdup("none"); 1460 } 1461 } 1462 1463 firmware_end_addr = riscv_find_and_load_firmware(machine, firmware_name, 1464 &start_addr, NULL); 1465 1466 pflash_blk0 = pflash_cfi01_get_blk(s->flash[0]); 1467 if (pflash_blk0) { 1468 if (machine->firmware && !strcmp(machine->firmware, "none") && 1469 !kvm_enabled()) { 1470 /* 1471 * Pflash was supplied but bios is none and not KVM guest, 1472 * let's overwrite the address we jump to after reset to 1473 * the base of the flash. 1474 */ 1475 start_addr = virt_memmap[VIRT_FLASH].base; 1476 } else { 1477 /* 1478 * Pflash was supplied but either KVM guest or bios is not none. 1479 * In this case, base of the flash would contain S-mode payload. 1480 */ 1481 riscv_setup_firmware_boot(machine); 1482 kernel_entry = virt_memmap[VIRT_FLASH].base; 1483 } 1484 } 1485 1486 riscv_boot_info_init(&boot_info, &s->soc[0]); 1487 1488 if (machine->kernel_filename && !kernel_entry) { 1489 kernel_start_addr = riscv_calc_kernel_start_addr(&boot_info, 1490 firmware_end_addr); 1491 riscv_load_kernel(machine, &boot_info, kernel_start_addr, 1492 true, NULL); 1493 kernel_entry = boot_info.image_low_addr; 1494 } 1495 1496 fdt_load_addr = riscv_compute_fdt_addr(memmap[VIRT_DRAM].base, 1497 memmap[VIRT_DRAM].size, 1498 machine, &boot_info); 1499 riscv_load_fdt(fdt_load_addr, machine->fdt); 1500 1501 /* load the reset vector */ 1502 riscv_setup_rom_reset_vec(machine, &s->soc[0], start_addr, 1503 virt_memmap[VIRT_MROM].base, 1504 virt_memmap[VIRT_MROM].size, kernel_entry, 1505 fdt_load_addr); 1506 1507 /* 1508 * Only direct boot kernel is currently supported for KVM VM, 1509 * So here setup kernel start address and fdt address. 1510 * TODO:Support firmware loading and integrate to TCG start 1511 */ 1512 if (kvm_enabled()) { 1513 riscv_setup_direct_kernel(kernel_entry, fdt_load_addr); 1514 } 1515 1516 virt_build_smbios(s); 1517 1518 if (virt_is_acpi_enabled(s)) { 1519 virt_acpi_setup(s); 1520 } 1521 } 1522 1523 static void virt_machine_init(MachineState *machine) 1524 { 1525 const MemMapEntry *memmap = virt_memmap; 1526 RISCVVirtState *s = RISCV_VIRT_MACHINE(machine); 1527 MemoryRegion *system_memory = get_system_memory(); 1528 MemoryRegion *mask_rom = g_new(MemoryRegion, 1); 1529 DeviceState *mmio_irqchip, *virtio_irqchip, *pcie_irqchip; 1530 int i, base_hartid, hart_count; 1531 int socket_count = riscv_socket_count(machine); 1532 1533 /* Check socket count limit */ 1534 if (VIRT_SOCKETS_MAX < socket_count) { 1535 error_report("number of sockets/nodes should be less than %d", 1536 VIRT_SOCKETS_MAX); 1537 exit(1); 1538 } 1539 1540 if (!virt_aclint_allowed() && s->have_aclint) { 1541 error_report("'aclint' is only available with TCG acceleration"); 1542 exit(1); 1543 } 1544 1545 /* Initialize sockets */ 1546 mmio_irqchip = virtio_irqchip = pcie_irqchip = NULL; 1547 for (i = 0; i < socket_count; i++) { 1548 g_autofree char *soc_name = g_strdup_printf("soc%d", i); 1549 1550 if (!riscv_socket_check_hartids(machine, i)) { 1551 error_report("discontinuous hartids in socket%d", i); 1552 exit(1); 1553 } 1554 1555 base_hartid = riscv_socket_first_hartid(machine, i); 1556 if (base_hartid < 0) { 1557 error_report("can't find hartid base for socket%d", i); 1558 exit(1); 1559 } 1560 1561 hart_count = riscv_socket_hart_count(machine, i); 1562 if (hart_count < 0) { 1563 error_report("can't find hart count for socket%d", i); 1564 exit(1); 1565 } 1566 1567 object_initialize_child(OBJECT(machine), soc_name, &s->soc[i], 1568 TYPE_RISCV_HART_ARRAY); 1569 object_property_set_str(OBJECT(&s->soc[i]), "cpu-type", 1570 machine->cpu_type, &error_abort); 1571 object_property_set_int(OBJECT(&s->soc[i]), "hartid-base", 1572 base_hartid, &error_abort); 1573 object_property_set_int(OBJECT(&s->soc[i]), "num-harts", 1574 hart_count, &error_abort); 1575 sysbus_realize(SYS_BUS_DEVICE(&s->soc[i]), &error_fatal); 1576 1577 if (virt_aclint_allowed() && s->have_aclint) { 1578 if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) { 1579 /* Per-socket ACLINT MTIMER */ 1580 riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + 1581 i * RISCV_ACLINT_DEFAULT_MTIMER_SIZE, 1582 RISCV_ACLINT_DEFAULT_MTIMER_SIZE, 1583 base_hartid, hart_count, 1584 RISCV_ACLINT_DEFAULT_MTIMECMP, 1585 RISCV_ACLINT_DEFAULT_MTIME, 1586 RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, true); 1587 } else { 1588 /* Per-socket ACLINT MSWI, MTIMER, and SSWI */ 1589 riscv_aclint_swi_create(memmap[VIRT_CLINT].base + 1590 i * memmap[VIRT_CLINT].size, 1591 base_hartid, hart_count, false); 1592 riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + 1593 i * memmap[VIRT_CLINT].size + 1594 RISCV_ACLINT_SWI_SIZE, 1595 RISCV_ACLINT_DEFAULT_MTIMER_SIZE, 1596 base_hartid, hart_count, 1597 RISCV_ACLINT_DEFAULT_MTIMECMP, 1598 RISCV_ACLINT_DEFAULT_MTIME, 1599 RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, true); 1600 riscv_aclint_swi_create(memmap[VIRT_ACLINT_SSWI].base + 1601 i * memmap[VIRT_ACLINT_SSWI].size, 1602 base_hartid, hart_count, true); 1603 } 1604 } else if (tcg_enabled()) { 1605 /* Per-socket SiFive CLINT */ 1606 riscv_aclint_swi_create( 1607 memmap[VIRT_CLINT].base + i * memmap[VIRT_CLINT].size, 1608 base_hartid, hart_count, false); 1609 riscv_aclint_mtimer_create(memmap[VIRT_CLINT].base + 1610 i * memmap[VIRT_CLINT].size + RISCV_ACLINT_SWI_SIZE, 1611 RISCV_ACLINT_DEFAULT_MTIMER_SIZE, base_hartid, hart_count, 1612 RISCV_ACLINT_DEFAULT_MTIMECMP, RISCV_ACLINT_DEFAULT_MTIME, 1613 RISCV_ACLINT_DEFAULT_TIMEBASE_FREQ, true); 1614 } 1615 1616 /* Per-socket interrupt controller */ 1617 if (s->aia_type == VIRT_AIA_TYPE_NONE) { 1618 s->irqchip[i] = virt_create_plic(memmap, i, 1619 base_hartid, hart_count); 1620 } else { 1621 s->irqchip[i] = virt_create_aia(s->aia_type, s->aia_guests, 1622 memmap, i, base_hartid, 1623 hart_count); 1624 } 1625 1626 /* Try to use different IRQCHIP instance based device type */ 1627 if (i == 0) { 1628 mmio_irqchip = s->irqchip[i]; 1629 virtio_irqchip = s->irqchip[i]; 1630 pcie_irqchip = s->irqchip[i]; 1631 } 1632 if (i == 1) { 1633 virtio_irqchip = s->irqchip[i]; 1634 pcie_irqchip = s->irqchip[i]; 1635 } 1636 if (i == 2) { 1637 pcie_irqchip = s->irqchip[i]; 1638 } 1639 } 1640 1641 if (kvm_enabled() && virt_use_kvm_aia_aplic_imsic(s->aia_type)) { 1642 kvm_riscv_aia_create(machine, IMSIC_MMIO_GROUP_MIN_SHIFT, 1643 VIRT_IRQCHIP_NUM_SOURCES, VIRT_IRQCHIP_NUM_MSIS, 1644 memmap[VIRT_APLIC_S].base, 1645 memmap[VIRT_IMSIC_S].base, 1646 s->aia_guests); 1647 } 1648 1649 if (riscv_is_32bit(&s->soc[0])) { 1650 #if HOST_LONG_BITS == 64 1651 /* limit RAM size in a 32-bit system */ 1652 if (machine->ram_size > 10 * GiB) { 1653 machine->ram_size = 10 * GiB; 1654 error_report("Limiting RAM size to 10 GiB"); 1655 } 1656 #endif 1657 virt_high_pcie_memmap.base = VIRT32_HIGH_PCIE_MMIO_BASE; 1658 virt_high_pcie_memmap.size = VIRT32_HIGH_PCIE_MMIO_SIZE; 1659 } else { 1660 virt_high_pcie_memmap.size = VIRT64_HIGH_PCIE_MMIO_SIZE; 1661 virt_high_pcie_memmap.base = memmap[VIRT_DRAM].base + machine->ram_size; 1662 virt_high_pcie_memmap.base = 1663 ROUND_UP(virt_high_pcie_memmap.base, virt_high_pcie_memmap.size); 1664 } 1665 1666 s->memmap = virt_memmap; 1667 1668 /* register system main memory (actual RAM) */ 1669 memory_region_add_subregion(system_memory, memmap[VIRT_DRAM].base, 1670 machine->ram); 1671 1672 /* boot rom */ 1673 memory_region_init_rom(mask_rom, NULL, "riscv_virt_board.mrom", 1674 memmap[VIRT_MROM].size, &error_fatal); 1675 memory_region_add_subregion(system_memory, memmap[VIRT_MROM].base, 1676 mask_rom); 1677 1678 /* 1679 * Init fw_cfg. Must be done before riscv_load_fdt, otherwise the 1680 * device tree cannot be altered and we get FDT_ERR_NOSPACE. 1681 */ 1682 s->fw_cfg = create_fw_cfg(machine); 1683 rom_set_fw(s->fw_cfg); 1684 1685 /* SiFive Test MMIO device */ 1686 sifive_test_create(memmap[VIRT_TEST].base); 1687 1688 /* VirtIO MMIO devices */ 1689 for (i = 0; i < VIRTIO_COUNT; i++) { 1690 sysbus_create_simple("virtio-mmio", 1691 memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size, 1692 qdev_get_gpio_in(virtio_irqchip, VIRTIO_IRQ + i)); 1693 } 1694 1695 gpex_pcie_init(system_memory, pcie_irqchip, s); 1696 1697 create_platform_bus(s, mmio_irqchip); 1698 1699 serial_mm_init(system_memory, memmap[VIRT_UART0].base, 1700 0, qdev_get_gpio_in(mmio_irqchip, UART0_IRQ), 399193, 1701 serial_hd(0), DEVICE_LITTLE_ENDIAN); 1702 1703 sysbus_create_simple("goldfish_rtc", memmap[VIRT_RTC].base, 1704 qdev_get_gpio_in(mmio_irqchip, RTC_IRQ)); 1705 1706 for (i = 0; i < ARRAY_SIZE(s->flash); i++) { 1707 /* Map legacy -drive if=pflash to machine properties */ 1708 pflash_cfi01_legacy_drive(s->flash[i], 1709 drive_get(IF_PFLASH, 0, i)); 1710 } 1711 virt_flash_map(s, system_memory); 1712 1713 /* load/create device tree */ 1714 if (machine->dtb) { 1715 machine->fdt = load_device_tree(machine->dtb, &s->fdt_size); 1716 if (!machine->fdt) { 1717 error_report("load_device_tree() failed"); 1718 exit(1); 1719 } 1720 } else { 1721 create_fdt(s, memmap); 1722 } 1723 1724 if (virt_is_iommu_sys_enabled(s)) { 1725 DeviceState *iommu_sys = qdev_new(TYPE_RISCV_IOMMU_SYS); 1726 1727 object_property_set_uint(OBJECT(iommu_sys), "addr", 1728 s->memmap[VIRT_IOMMU_SYS].base, 1729 &error_fatal); 1730 object_property_set_uint(OBJECT(iommu_sys), "base-irq", 1731 IOMMU_SYS_IRQ, 1732 &error_fatal); 1733 object_property_set_link(OBJECT(iommu_sys), "irqchip", 1734 OBJECT(mmio_irqchip), 1735 &error_fatal); 1736 1737 sysbus_realize_and_unref(SYS_BUS_DEVICE(iommu_sys), &error_fatal); 1738 } 1739 1740 s->machine_done.notify = virt_machine_done; 1741 qemu_add_machine_init_done_notifier(&s->machine_done); 1742 } 1743 1744 static void virt_machine_instance_init(Object *obj) 1745 { 1746 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1747 1748 virt_flash_create(s); 1749 1750 s->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6); 1751 s->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8); 1752 s->acpi = ON_OFF_AUTO_AUTO; 1753 s->iommu_sys = ON_OFF_AUTO_AUTO; 1754 } 1755 1756 static char *virt_get_aia_guests(Object *obj, Error **errp) 1757 { 1758 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1759 1760 return g_strdup_printf("%d", s->aia_guests); 1761 } 1762 1763 static void virt_set_aia_guests(Object *obj, const char *val, Error **errp) 1764 { 1765 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1766 1767 s->aia_guests = atoi(val); 1768 if (s->aia_guests < 0 || s->aia_guests > VIRT_IRQCHIP_MAX_GUESTS) { 1769 error_setg(errp, "Invalid number of AIA IMSIC guests"); 1770 error_append_hint(errp, "Valid values be between 0 and %d.\n", 1771 VIRT_IRQCHIP_MAX_GUESTS); 1772 } 1773 } 1774 1775 static char *virt_get_aia(Object *obj, Error **errp) 1776 { 1777 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1778 const char *val; 1779 1780 switch (s->aia_type) { 1781 case VIRT_AIA_TYPE_APLIC: 1782 val = "aplic"; 1783 break; 1784 case VIRT_AIA_TYPE_APLIC_IMSIC: 1785 val = "aplic-imsic"; 1786 break; 1787 default: 1788 val = "none"; 1789 break; 1790 }; 1791 1792 return g_strdup(val); 1793 } 1794 1795 static void virt_set_aia(Object *obj, const char *val, Error **errp) 1796 { 1797 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1798 1799 if (!strcmp(val, "none")) { 1800 s->aia_type = VIRT_AIA_TYPE_NONE; 1801 } else if (!strcmp(val, "aplic")) { 1802 s->aia_type = VIRT_AIA_TYPE_APLIC; 1803 } else if (!strcmp(val, "aplic-imsic")) { 1804 s->aia_type = VIRT_AIA_TYPE_APLIC_IMSIC; 1805 } else { 1806 error_setg(errp, "Invalid AIA interrupt controller type"); 1807 error_append_hint(errp, "Valid values are none, aplic, and " 1808 "aplic-imsic.\n"); 1809 } 1810 } 1811 1812 static bool virt_get_aclint(Object *obj, Error **errp) 1813 { 1814 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1815 1816 return s->have_aclint; 1817 } 1818 1819 static void virt_set_aclint(Object *obj, bool value, Error **errp) 1820 { 1821 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1822 1823 s->have_aclint = value; 1824 } 1825 1826 bool virt_is_iommu_sys_enabled(RISCVVirtState *s) 1827 { 1828 return s->iommu_sys == ON_OFF_AUTO_ON; 1829 } 1830 1831 static void virt_get_iommu_sys(Object *obj, Visitor *v, const char *name, 1832 void *opaque, Error **errp) 1833 { 1834 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1835 OnOffAuto iommu_sys = s->iommu_sys; 1836 1837 visit_type_OnOffAuto(v, name, &iommu_sys, errp); 1838 } 1839 1840 static void virt_set_iommu_sys(Object *obj, Visitor *v, const char *name, 1841 void *opaque, Error **errp) 1842 { 1843 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1844 1845 visit_type_OnOffAuto(v, name, &s->iommu_sys, errp); 1846 } 1847 1848 bool virt_is_acpi_enabled(RISCVVirtState *s) 1849 { 1850 return s->acpi != ON_OFF_AUTO_OFF; 1851 } 1852 1853 static void virt_get_acpi(Object *obj, Visitor *v, const char *name, 1854 void *opaque, Error **errp) 1855 { 1856 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1857 OnOffAuto acpi = s->acpi; 1858 1859 visit_type_OnOffAuto(v, name, &acpi, errp); 1860 } 1861 1862 static void virt_set_acpi(Object *obj, Visitor *v, const char *name, 1863 void *opaque, Error **errp) 1864 { 1865 RISCVVirtState *s = RISCV_VIRT_MACHINE(obj); 1866 1867 visit_type_OnOffAuto(v, name, &s->acpi, errp); 1868 } 1869 1870 static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine, 1871 DeviceState *dev) 1872 { 1873 MachineClass *mc = MACHINE_GET_CLASS(machine); 1874 RISCVVirtState *s = RISCV_VIRT_MACHINE(machine); 1875 1876 if (device_is_dynamic_sysbus(mc, dev) || 1877 object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI) || 1878 object_dynamic_cast(OBJECT(dev), TYPE_RISCV_IOMMU_PCI)) { 1879 s->iommu_sys = ON_OFF_AUTO_OFF; 1880 return HOTPLUG_HANDLER(machine); 1881 } 1882 1883 return NULL; 1884 } 1885 1886 static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev, 1887 DeviceState *dev, Error **errp) 1888 { 1889 RISCVVirtState *s = RISCV_VIRT_MACHINE(hotplug_dev); 1890 1891 if (s->platform_bus_dev) { 1892 MachineClass *mc = MACHINE_GET_CLASS(s); 1893 1894 if (device_is_dynamic_sysbus(mc, dev)) { 1895 platform_bus_link_device(PLATFORM_BUS_DEVICE(s->platform_bus_dev), 1896 SYS_BUS_DEVICE(dev)); 1897 } 1898 } 1899 1900 if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { 1901 create_fdt_virtio_iommu(s, pci_get_bdf(PCI_DEVICE(dev))); 1902 } 1903 1904 if (object_dynamic_cast(OBJECT(dev), TYPE_RISCV_IOMMU_PCI)) { 1905 create_fdt_iommu(s, pci_get_bdf(PCI_DEVICE(dev))); 1906 s->iommu_sys = ON_OFF_AUTO_OFF; 1907 } 1908 } 1909 1910 static void virt_machine_class_init(ObjectClass *oc, void *data) 1911 { 1912 MachineClass *mc = MACHINE_CLASS(oc); 1913 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 1914 1915 mc->desc = "RISC-V VirtIO board"; 1916 mc->init = virt_machine_init; 1917 mc->max_cpus = VIRT_CPUS_MAX; 1918 mc->default_cpu_type = TYPE_RISCV_CPU_BASE; 1919 mc->block_default_type = IF_VIRTIO; 1920 mc->no_cdrom = 1; 1921 mc->pci_allow_0_address = true; 1922 mc->possible_cpu_arch_ids = riscv_numa_possible_cpu_arch_ids; 1923 mc->cpu_index_to_instance_props = riscv_numa_cpu_index_to_props; 1924 mc->get_default_cpu_node_id = riscv_numa_get_default_cpu_node_id; 1925 mc->numa_mem_supported = true; 1926 /* platform instead of architectural choice */ 1927 mc->cpu_cluster_has_numa_boundary = true; 1928 mc->default_ram_id = "riscv_virt_board.ram"; 1929 assert(!mc->get_hotplug_handler); 1930 mc->get_hotplug_handler = virt_machine_get_hotplug_handler; 1931 1932 hc->plug = virt_machine_device_plug_cb; 1933 1934 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); 1935 #ifdef CONFIG_TPM 1936 machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS); 1937 #endif 1938 1939 object_class_property_add_bool(oc, "aclint", virt_get_aclint, 1940 virt_set_aclint); 1941 object_class_property_set_description(oc, "aclint", 1942 "(TCG only) Set on/off to " 1943 "enable/disable emulating " 1944 "ACLINT devices"); 1945 1946 object_class_property_add_str(oc, "aia", virt_get_aia, 1947 virt_set_aia); 1948 object_class_property_set_description(oc, "aia", 1949 "Set type of AIA interrupt " 1950 "controller. Valid values are " 1951 "none, aplic, and aplic-imsic."); 1952 1953 object_class_property_add_str(oc, "aia-guests", 1954 virt_get_aia_guests, 1955 virt_set_aia_guests); 1956 { 1957 g_autofree char *str = 1958 g_strdup_printf("Set number of guest MMIO pages for AIA IMSIC. " 1959 "Valid value should be between 0 and %d.", 1960 VIRT_IRQCHIP_MAX_GUESTS); 1961 object_class_property_set_description(oc, "aia-guests", str); 1962 } 1963 1964 object_class_property_add(oc, "acpi", "OnOffAuto", 1965 virt_get_acpi, virt_set_acpi, 1966 NULL, NULL); 1967 object_class_property_set_description(oc, "acpi", 1968 "Enable ACPI"); 1969 1970 object_class_property_add(oc, "iommu-sys", "OnOffAuto", 1971 virt_get_iommu_sys, virt_set_iommu_sys, 1972 NULL, NULL); 1973 object_class_property_set_description(oc, "iommu-sys", 1974 "Enable IOMMU platform device"); 1975 } 1976 1977 static const TypeInfo virt_machine_typeinfo = { 1978 .name = MACHINE_TYPE_NAME("virt"), 1979 .parent = TYPE_MACHINE, 1980 .class_init = virt_machine_class_init, 1981 .instance_init = virt_machine_instance_init, 1982 .instance_size = sizeof(RISCVVirtState), 1983 .interfaces = (InterfaceInfo[]) { 1984 { TYPE_HOTPLUG_HANDLER }, 1985 { } 1986 }, 1987 }; 1988 1989 static void virt_machine_init_register_types(void) 1990 { 1991 type_register_static(&virt_machine_typeinfo); 1992 } 1993 1994 type_init(virt_machine_init_register_types) 1995