#include "qemu/log.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
-#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/loader.h"
#include "hw/sysbus.h"
+#include "hw/qdev-properties.h"
#include "hw/char/serial.h"
#include "target/riscv/cpu.h"
#include "hw/riscv/riscv_hart.h"
#include "chardev/char.h"
#include "sysemu/arch_init.h"
#include "sysemu/device_tree.h"
-#include "exec/address-spaces.h"
+#include "sysemu/sysemu.h"
#include "hw/pci/pci.h"
#include "hw/pci-host/gpex.h"
-#include <libfdt.h>
-
#if defined(TARGET_RISCV32)
# define BIOS_FILENAME "opensbi-riscv32-virt-fw_jump.bin"
#else
hwaddr size;
} virt_memmap[] = {
[VIRT_DEBUG] = { 0x0, 0x100 },
- [VIRT_MROM] = { 0x1000, 0x11000 },
+ [VIRT_MROM] = { 0x1000, 0xf000 },
[VIRT_TEST] = { 0x100000, 0x1000 },
+ [VIRT_RTC] = { 0x101000, 0x1000 },
[VIRT_CLINT] = { 0x2000000, 0x10000 },
+ [VIRT_PCIE_PIO] = { 0x3000000, 0x10000 },
[VIRT_PLIC] = { 0xc000000, 0x4000000 },
[VIRT_UART0] = { 0x10000000, 0x100 },
[VIRT_VIRTIO] = { 0x10001000, 0x1000 },
- [VIRT_DRAM] = { 0x80000000, 0x0 },
- [VIRT_PCIE_MMIO] = { 0x40000000, 0x40000000 },
- [VIRT_PCIE_PIO] = { 0x03000000, 0x00010000 },
+ [VIRT_FLASH] = { 0x20000000, 0x4000000 },
[VIRT_PCIE_ECAM] = { 0x30000000, 0x10000000 },
+ [VIRT_PCIE_MMIO] = { 0x40000000, 0x40000000 },
+ [VIRT_DRAM] = { 0x80000000, 0x0 },
};
+#define VIRT_FLASH_SECTOR_SIZE (256 * KiB)
+
+static PFlashCFI01 *virt_flash_create1(RISCVVirtState *s,
+ const char *name,
+ const char *alias_prop_name)
+{
+ /*
+ * Create a single flash device. We use the same parameters as
+ * the flash devices on the ARM virt board.
+ */
+ DeviceState *dev = qdev_new(TYPE_PFLASH_CFI01);
+
+ qdev_prop_set_uint64(dev, "sector-length", VIRT_FLASH_SECTOR_SIZE);
+ qdev_prop_set_uint8(dev, "width", 4);
+ qdev_prop_set_uint8(dev, "device-width", 2);
+ qdev_prop_set_bit(dev, "big-endian", false);
+ qdev_prop_set_uint16(dev, "id0", 0x89);
+ qdev_prop_set_uint16(dev, "id1", 0x18);
+ qdev_prop_set_uint16(dev, "id2", 0x00);
+ qdev_prop_set_uint16(dev, "id3", 0x00);
+ qdev_prop_set_string(dev, "name", name);
+
+ object_property_add_child(OBJECT(s), name, OBJECT(dev));
+ object_property_add_alias(OBJECT(s), alias_prop_name,
+ OBJECT(dev), "drive");
+
+ return PFLASH_CFI01(dev);
+}
+
+static void virt_flash_create(RISCVVirtState *s)
+{
+ s->flash[0] = virt_flash_create1(s, "virt.flash0", "pflash0");
+ s->flash[1] = virt_flash_create1(s, "virt.flash1", "pflash1");
+}
+
+static void virt_flash_map1(PFlashCFI01 *flash,
+ hwaddr base, hwaddr size,
+ MemoryRegion *sysmem)
+{
+ DeviceState *dev = DEVICE(flash);
+
+ assert(QEMU_IS_ALIGNED(size, VIRT_FLASH_SECTOR_SIZE));
+ assert(size / VIRT_FLASH_SECTOR_SIZE <= UINT32_MAX);
+ qdev_prop_set_uint32(dev, "num-blocks", size / VIRT_FLASH_SECTOR_SIZE);
+ sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
+
+ memory_region_add_subregion(sysmem, base,
+ sysbus_mmio_get_region(SYS_BUS_DEVICE(dev),
+ 0));
+}
+
+static void virt_flash_map(RISCVVirtState *s,
+ MemoryRegion *sysmem)
+{
+ hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2;
+ hwaddr flashbase = virt_memmap[VIRT_FLASH].base;
+
+ virt_flash_map1(s->flash[0], flashbase, flashsize,
+ sysmem);
+ virt_flash_map1(s->flash[1], flashbase + flashsize, flashsize,
+ sysmem);
+}
+
static void create_pcie_irq_map(void *fdt, char *nodename,
uint32_t plic_phandle)
{
0x1800, 0, 0, 0x7);
}
-static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
+static void create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap,
uint64_t mem_size, const char *cmdline)
{
void *fdt;
- int cpu;
+ int cpu, i;
uint32_t *cells;
char *nodename;
- uint32_t plic_phandle, phandle = 1;
- int i;
+ uint32_t plic_phandle, test_phandle, phandle = 1;
+ hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2;
+ hwaddr flashbase = virt_memmap[VIRT_FLASH].base;
fdt = s->fdt = create_device_tree(&s->fdt_size);
if (!fdt) {
char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
char *isa = riscv_isa_string(&s->soc.harts[cpu]);
qemu_fdt_add_subnode(fdt, nodename);
- qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency",
- VIRT_CLOCK_FREQ);
+#if defined(TARGET_RISCV32)
+ qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv32");
+#else
qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48");
+#endif
qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa);
qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv");
qemu_fdt_setprop_string(fdt, nodename, "status", "okay");
qemu_fdt_setprop_cell(fdt, nodename, "reg", cpu);
qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu");
qemu_fdt_setprop_cell(fdt, nodename, "phandle", cpu_phandle);
- qemu_fdt_setprop_cell(fdt, nodename, "linux,phandle", cpu_phandle);
intc_phandle = phandle++;
qemu_fdt_add_subnode(fdt, intc);
qemu_fdt_setprop_cell(fdt, intc, "phandle", intc_phandle);
- qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", intc_phandle);
qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc");
qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0);
qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1);
nodename = g_strdup_printf("/soc/interrupt-controller@%lx",
(long)memmap[VIRT_PLIC].base);
qemu_fdt_add_subnode(fdt, nodename);
- qemu_fdt_setprop_cells(fdt, nodename, "#address-cells",
- FDT_PLIC_ADDR_CELLS);
+ qemu_fdt_setprop_cell(fdt, nodename, "#address-cells",
+ FDT_PLIC_ADDR_CELLS);
qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells",
FDT_PLIC_INT_CELLS);
qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv,plic0");
qemu_fdt_setprop_cells(fdt, nodename, "reg",
0x0, memmap[VIRT_PLIC].base,
0x0, memmap[VIRT_PLIC].size);
- qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control");
- qemu_fdt_setprop_cell(fdt, nodename, "riscv,max-priority", 7);
qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", VIRTIO_NDEV);
- qemu_fdt_setprop_cells(fdt, nodename, "phandle", plic_phandle);
- qemu_fdt_setprop_cells(fdt, nodename, "linux,phandle", plic_phandle);
+ qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle);
plic_phandle = qemu_fdt_get_phandle(fdt, nodename);
g_free(cells);
g_free(nodename);
qemu_fdt_setprop_cells(fdt, nodename, "reg",
0x0, memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size,
0x0, memmap[VIRT_VIRTIO].size);
- qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle);
- qemu_fdt_setprop_cells(fdt, nodename, "interrupts", VIRTIO_IRQ + i);
+ qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
+ qemu_fdt_setprop_cell(fdt, nodename, "interrupts", VIRTIO_IRQ + i);
g_free(nodename);
}
nodename = g_strdup_printf("/soc/pci@%lx",
(long) memmap[VIRT_PCIE_ECAM].base);
qemu_fdt_add_subnode(fdt, nodename);
- qemu_fdt_setprop_cells(fdt, nodename, "#address-cells",
- FDT_PCI_ADDR_CELLS);
- qemu_fdt_setprop_cells(fdt, nodename, "#interrupt-cells",
- FDT_PCI_INT_CELLS);
- qemu_fdt_setprop_cells(fdt, nodename, "#size-cells", 0x2);
+ qemu_fdt_setprop_cell(fdt, nodename, "#address-cells",
+ FDT_PCI_ADDR_CELLS);
+ qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells",
+ FDT_PCI_INT_CELLS);
+ qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0x2);
qemu_fdt_setprop_string(fdt, nodename, "compatible",
"pci-host-ecam-generic");
qemu_fdt_setprop_string(fdt, nodename, "device_type", "pci");
create_pcie_irq_map(fdt, nodename, plic_phandle);
g_free(nodename);
+ test_phandle = phandle++;
nodename = g_strdup_printf("/test@%lx",
(long)memmap[VIRT_TEST].base);
qemu_fdt_add_subnode(fdt, nodename);
- qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,test0");
+ {
+ const char compat[] = "sifive,test1\0sifive,test0\0syscon";
+ qemu_fdt_setprop(fdt, nodename, "compatible", compat, sizeof(compat));
+ }
qemu_fdt_setprop_cells(fdt, nodename, "reg",
0x0, memmap[VIRT_TEST].base,
0x0, memmap[VIRT_TEST].size);
+ qemu_fdt_setprop_cell(fdt, nodename, "phandle", test_phandle);
+ test_phandle = qemu_fdt_get_phandle(fdt, nodename);
+ g_free(nodename);
+
+ nodename = g_strdup_printf("/reboot");
+ qemu_fdt_add_subnode(fdt, nodename);
+ qemu_fdt_setprop_string(fdt, nodename, "compatible", "syscon-reboot");
+ qemu_fdt_setprop_cell(fdt, nodename, "regmap", test_phandle);
+ qemu_fdt_setprop_cell(fdt, nodename, "offset", 0x0);
+ qemu_fdt_setprop_cell(fdt, nodename, "value", FINISHER_RESET);
+ g_free(nodename);
+
+ nodename = g_strdup_printf("/poweroff");
+ qemu_fdt_add_subnode(fdt, nodename);
+ qemu_fdt_setprop_string(fdt, nodename, "compatible", "syscon-poweroff");
+ qemu_fdt_setprop_cell(fdt, nodename, "regmap", test_phandle);
+ qemu_fdt_setprop_cell(fdt, nodename, "offset", 0x0);
+ qemu_fdt_setprop_cell(fdt, nodename, "value", FINISHER_PASS);
g_free(nodename);
nodename = g_strdup_printf("/uart@%lx",
0x0, memmap[VIRT_UART0].base,
0x0, memmap[VIRT_UART0].size);
qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", 3686400);
- qemu_fdt_setprop_cells(fdt, nodename, "interrupt-parent", plic_phandle);
- qemu_fdt_setprop_cells(fdt, nodename, "interrupts", UART0_IRQ);
+ qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
+ qemu_fdt_setprop_cell(fdt, nodename, "interrupts", UART0_IRQ);
qemu_fdt_add_subnode(fdt, "/chosen");
qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename);
}
g_free(nodename);
- return fdt;
+ nodename = g_strdup_printf("/rtc@%lx",
+ (long)memmap[VIRT_RTC].base);
+ qemu_fdt_add_subnode(fdt, nodename);
+ qemu_fdt_setprop_string(fdt, nodename, "compatible",
+ "google,goldfish-rtc");
+ qemu_fdt_setprop_cells(fdt, nodename, "reg",
+ 0x0, memmap[VIRT_RTC].base,
+ 0x0, memmap[VIRT_RTC].size);
+ qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
+ qemu_fdt_setprop_cell(fdt, nodename, "interrupts", RTC_IRQ);
+ g_free(nodename);
+
+ nodename = g_strdup_printf("/flash@%" PRIx64, flashbase);
+ qemu_fdt_add_subnode(s->fdt, nodename);
+ qemu_fdt_setprop_string(s->fdt, nodename, "compatible", "cfi-flash");
+ qemu_fdt_setprop_sized_cells(s->fdt, nodename, "reg",
+ 2, flashbase, 2, flashsize,
+ 2, flashbase + flashsize, 2, flashsize);
+ qemu_fdt_setprop_cell(s->fdt, nodename, "bank-width", 4);
+ g_free(nodename);
}
qemu_irq irq;
int i;
- dev = qdev_create(NULL, TYPE_GPEX_HOST);
+ dev = qdev_new(TYPE_GPEX_HOST);
- qdev_init_nofail(dev);
+ sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
ecam_alias = g_new0(MemoryRegion, 1);
ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0);
return dev;
}
-static void riscv_virt_board_init(MachineState *machine)
+static void virt_machine_init(MachineState *machine)
{
const struct MemmapEntry *memmap = virt_memmap;
-
- RISCVVirtState *s = g_new0(RISCVVirtState, 1);
+ RISCVVirtState *s = RISCV_VIRT_MACHINE(machine);
MemoryRegion *system_memory = get_system_memory();
MemoryRegion *main_mem = g_new(MemoryRegion, 1);
MemoryRegion *mask_rom = g_new(MemoryRegion, 1);
char *plic_hart_config;
size_t plic_hart_config_len;
+ target_ulong start_addr = memmap[VIRT_DRAM].base;
+ uint32_t fdt_load_addr;
+ uint64_t kernel_entry;
int i;
unsigned int smp_cpus = machine->smp.cpus;
- void *fdt;
/* Initialize SOC */
- object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
- TYPE_RISCV_HART_ARRAY, &error_abort, NULL);
- object_property_set_str(OBJECT(&s->soc), machine->cpu_type, "cpu-type",
+ object_initialize_child(OBJECT(machine), "soc", &s->soc,
+ TYPE_RISCV_HART_ARRAY);
+ object_property_set_str(OBJECT(&s->soc), "cpu-type", machine->cpu_type,
&error_abort);
- object_property_set_int(OBJECT(&s->soc), smp_cpus, "num-harts",
- &error_abort);
- object_property_set_bool(OBJECT(&s->soc), true, "realized",
+ object_property_set_int(OBJECT(&s->soc), "num-harts", smp_cpus,
&error_abort);
+ sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_abort);
/* register system main memory (actual RAM) */
memory_region_init_ram(main_mem, NULL, "riscv_virt_board.ram",
main_mem);
/* create device tree */
- fdt = create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
+ create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
/* boot rom */
memory_region_init_rom(mask_rom, NULL, "riscv_virt_board.mrom",
mask_rom);
riscv_find_and_load_firmware(machine, BIOS_FILENAME,
- memmap[VIRT_DRAM].base);
+ memmap[VIRT_DRAM].base, NULL);
if (machine->kernel_filename) {
- uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename);
+ kernel_entry = riscv_load_kernel(machine->kernel_filename, NULL);
if (machine->initrd_filename) {
hwaddr start;
hwaddr end = riscv_load_initrd(machine->initrd_filename,
machine->ram_size, kernel_entry,
&start);
- qemu_fdt_setprop_cell(fdt, "/chosen",
+ qemu_fdt_setprop_cell(s->fdt, "/chosen",
"linux,initrd-start", start);
- qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end",
+ qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end",
end);
}
+ } else {
+ /*
+ * If dynamic firmware is used, it doesn't know where is the next mode
+ * if kernel argument is not set.
+ */
+ kernel_entry = 0;
}
- /* reset vector */
- uint32_t reset_vec[8] = {
- 0x00000297, /* 1: auipc t0, %pcrel_hi(dtb) */
- 0x02028593, /* addi a1, t0, %pcrel_lo(1b) */
- 0xf1402573, /* csrr a0, mhartid */
-#if defined(TARGET_RISCV32)
- 0x0182a283, /* lw t0, 24(t0) */
-#elif defined(TARGET_RISCV64)
- 0x0182b283, /* ld t0, 24(t0) */
-#endif
- 0x00028067, /* jr t0 */
- 0x00000000,
- memmap[VIRT_DRAM].base, /* start: .dword memmap[VIRT_DRAM].base */
- 0x00000000,
- /* dtb: */
- };
-
- /* copy in the reset vector in little_endian byte order */
- for (i = 0; i < sizeof(reset_vec) >> 2; i++) {
- reset_vec[i] = cpu_to_le32(reset_vec[i]);
+ if (drive_get(IF_PFLASH, 0, 0)) {
+ /*
+ * Pflash was supplied, let's overwrite the address we jump to after
+ * reset to the base of the flash.
+ */
+ start_addr = virt_memmap[VIRT_FLASH].base;
}
- rom_add_blob_fixed_as("mrom.reset", reset_vec, sizeof(reset_vec),
- memmap[VIRT_MROM].base, &address_space_memory);
- /* copy in the device tree */
- if (fdt_pack(s->fdt) || fdt_totalsize(s->fdt) >
- memmap[VIRT_MROM].size - sizeof(reset_vec)) {
- error_report("not enough space to store device-tree");
- exit(1);
- }
- qemu_fdt_dumpdtb(s->fdt, fdt_totalsize(s->fdt));
- rom_add_blob_fixed_as("mrom.fdt", s->fdt, fdt_totalsize(s->fdt),
- memmap[VIRT_MROM].base + sizeof(reset_vec),
- &address_space_memory);
+ /* Compute the fdt load address in dram */
+ fdt_load_addr = riscv_load_fdt(memmap[VIRT_DRAM].base,
+ machine->ram_size, s->fdt);
+ /* load the reset vector */
+ riscv_setup_rom_reset_vec(start_addr, virt_memmap[VIRT_MROM].base,
+ virt_memmap[VIRT_MROM].size, kernel_entry,
+ fdt_load_addr, s->fdt);
/* create PLIC hart topology configuration string */
plic_hart_config_len = (strlen(VIRT_PLIC_HART_CONFIG) + 1) * smp_cpus;
memmap[VIRT_PLIC].size);
sifive_clint_create(memmap[VIRT_CLINT].base,
memmap[VIRT_CLINT].size, smp_cpus,
- SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE);
+ SIFIVE_SIP_BASE, SIFIVE_TIMECMP_BASE, SIFIVE_TIME_BASE, true);
sifive_test_create(memmap[VIRT_TEST].base);
for (i = 0; i < VIRTIO_COUNT; i++) {
0, qdev_get_gpio_in(DEVICE(s->plic), UART0_IRQ), 399193,
serial_hd(0), DEVICE_LITTLE_ENDIAN);
+ sysbus_create_simple("goldfish_rtc", memmap[VIRT_RTC].base,
+ qdev_get_gpio_in(DEVICE(s->plic), RTC_IRQ));
+
+ virt_flash_create(s);
+
+ for (i = 0; i < ARRAY_SIZE(s->flash); i++) {
+ /* Map legacy -drive if=pflash to machine properties */
+ pflash_cfi01_legacy_drive(s->flash[i],
+ drive_get(IF_PFLASH, 0, i));
+ }
+ virt_flash_map(s, system_memory);
+
g_free(plic_hart_config);
}
-static void riscv_virt_board_machine_init(MachineClass *mc)
+static void virt_machine_instance_init(Object *obj)
{
- mc->desc = "RISC-V VirtIO Board (Privileged ISA v1.10)";
- mc->init = riscv_virt_board_init;
- mc->max_cpus = 8; /* hardcoded limit in BBL */
+}
+
+static void virt_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->desc = "RISC-V VirtIO board";
+ mc->init = virt_machine_init;
+ mc->max_cpus = 8;
mc->default_cpu_type = VIRT_CPU;
+ mc->pci_allow_0_address = true;
+}
+
+static const TypeInfo virt_machine_typeinfo = {
+ .name = MACHINE_TYPE_NAME("virt"),
+ .parent = TYPE_MACHINE,
+ .class_init = virt_machine_class_init,
+ .instance_init = virt_machine_instance_init,
+ .instance_size = sizeof(RISCVVirtState),
+};
+
+static void virt_machine_init_register_types(void)
+{
+ type_register_static(&virt_machine_typeinfo);
}
-DEFINE_MACHINE("virt", riscv_virt_board_machine_init)
+type_init(virt_machine_init_register_types)
projects / mirror_qemu.git / blobdiff