diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/riscv/Makefile.objs | 1 | ||||
| -rw-r--r-- | hw/riscv/boot.c | 105 | ||||
| -rw-r--r-- | hw/riscv/sifive_e.c | 30 | ||||
| -rw-r--r-- | hw/riscv/sifive_prci.c | 49 | ||||
| -rw-r--r-- | hw/riscv/sifive_u.c | 54 | ||||
| -rw-r--r-- | hw/riscv/spike.c | 21 | ||||
| -rw-r--r-- | hw/riscv/virt.c | 79 |
7 files changed, 220 insertions, 119 deletions
diff --git a/hw/riscv/Makefile.objs b/hw/riscv/Makefile.objs index a65027304a..eb9d4f9ffc 100644 --- a/hw/riscv/Makefile.objs +++ b/hw/riscv/Makefile.objs @@ -1,3 +1,4 @@ +obj-y += boot.o obj-$(CONFIG_SPIKE) += riscv_htif.o obj-$(CONFIG_HART) += riscv_hart.o obj-$(CONFIG_SIFIVE_E) += sifive_e.o diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c new file mode 100644 index 0000000000..ff023f42d0 --- /dev/null +++ b/hw/riscv/boot.c @@ -0,0 +1,105 @@ +/* + * QEMU RISC-V Boot Helper + * + * Copyright (c) 2017 SiFive, Inc. + * Copyright (c) 2019 Alistair Francis <alistair.francis@wdc.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "qemu/osdep.h" +#include "qemu/units.h" +#include "qemu/error-report.h" +#include "exec/cpu-defs.h" +#include "hw/loader.h" +#include "hw/riscv/boot.h" +#include "hw/boards.h" +#include "elf.h" + +#if defined(TARGET_RISCV32) +# define KERNEL_BOOT_ADDRESS 0x80400000 +#else +# define KERNEL_BOOT_ADDRESS 0x80200000 +#endif + +target_ulong riscv_load_firmware(const char *firmware_filename, + hwaddr firmware_load_addr) +{ + uint64_t firmware_entry, firmware_start, firmware_end; + + if (load_elf(firmware_filename, NULL, NULL, NULL, &firmware_entry, + &firmware_start, &firmware_end, 0, EM_RISCV, 1, 0) > 0) { + return firmware_entry; + } + + if (load_image_targphys_as(firmware_filename, firmware_load_addr, + ram_size, NULL) > 0) { + return firmware_load_addr; + } + + error_report("could not load firmware '%s'", firmware_filename); + exit(1); +} + +target_ulong riscv_load_kernel(const char *kernel_filename) +{ + uint64_t kernel_entry, kernel_high; + + if (load_elf(kernel_filename, NULL, NULL, NULL, + &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0) > 0) { + return kernel_entry; + } + + if (load_uimage_as(kernel_filename, &kernel_entry, NULL, NULL, + NULL, NULL, NULL) > 0) { + return kernel_entry; + } + + if (load_image_targphys_as(kernel_filename, KERNEL_BOOT_ADDRESS, + ram_size, NULL) > 0) { + return KERNEL_BOOT_ADDRESS; + } + + error_report("could not load kernel '%s'", kernel_filename); + exit(1); +} + +hwaddr riscv_load_initrd(const char *filename, uint64_t mem_size, + uint64_t kernel_entry, hwaddr *start) +{ + int size; + + /* + * We want to put the initrd far enough into RAM that when the + * kernel is uncompressed it will not clobber the initrd. However + * on boards without much RAM we must ensure that we still leave + * enough room for a decent sized initrd, and on boards with large + * amounts of RAM we must avoid the initrd being so far up in RAM + * that it is outside lowmem and inaccessible to the kernel. + * So for boards with less than 256MB of RAM we put the initrd + * halfway into RAM, and for boards with 256MB of RAM or more we put + * the initrd at 128MB. + */ + *start = kernel_entry + MIN(mem_size / 2, 128 * MiB); + + size = load_ramdisk(filename, *start, mem_size - *start); + if (size == -1) { + size = load_image_targphys(filename, *start, mem_size - *start); + if (size == -1) { + error_report("could not load ramdisk '%s'", filename); + exit(1); + } + } + + return *start + size; +} diff --git a/hw/riscv/sifive_e.c b/hw/riscv/sifive_e.c index 80ac56fa7d..d27f626529 100644 --- a/hw/riscv/sifive_e.c +++ b/hw/riscv/sifive_e.c @@ -44,10 +44,10 @@ #include "hw/riscv/sifive_prci.h" #include "hw/riscv/sifive_uart.h" #include "hw/riscv/sifive_e.h" +#include "hw/riscv/boot.h" #include "chardev/char.h" #include "sysemu/arch_init.h" #include "exec/address-spaces.h" -#include "elf.h" static const struct MemmapEntry { hwaddr base; @@ -74,19 +74,6 @@ static const struct MemmapEntry { [SIFIVE_E_DTIM] = { 0x80000000, 0x4000 } }; -static target_ulong load_kernel(const char *kernel_filename) -{ - uint64_t kernel_entry, kernel_high; - - if (load_elf(kernel_filename, NULL, NULL, NULL, - &kernel_entry, NULL, &kernel_high, - 0, EM_RISCV, 1, 0) < 0) { - error_report("could not load kernel '%s'", kernel_filename); - exit(1); - } - return kernel_entry; -} - static void sifive_mmio_emulate(MemoryRegion *parent, const char *name, uintptr_t offset, uintptr_t length) { @@ -131,7 +118,7 @@ static void riscv_sifive_e_init(MachineState *machine) memmap[SIFIVE_E_MROM].base, &address_space_memory); if (machine->kernel_filename) { - load_kernel(machine->kernel_filename); + riscv_load_kernel(machine->kernel_filename); } } @@ -158,17 +145,15 @@ static void riscv_sifive_e_soc_realize(DeviceState *dev, Error **errp) SiFiveESoCState *s = RISCV_E_SOC(dev); MemoryRegion *sys_mem = get_system_memory(); - MemoryRegion *xip_mem = g_new(MemoryRegion, 1); - MemoryRegion *mask_rom = g_new(MemoryRegion, 1); object_property_set_bool(OBJECT(&s->cpus), true, "realized", &error_abort); /* Mask ROM */ - memory_region_init_rom(mask_rom, NULL, "riscv.sifive.e.mrom", + memory_region_init_rom(&s->mask_rom, NULL, "riscv.sifive.e.mrom", memmap[SIFIVE_E_MROM].size, &error_fatal); memory_region_add_subregion(sys_mem, - memmap[SIFIVE_E_MROM].base, mask_rom); + memmap[SIFIVE_E_MROM].base, &s->mask_rom); /* MMIO */ s->plic = sifive_plic_create(memmap[SIFIVE_E_PLIC].base, @@ -228,10 +213,11 @@ static void riscv_sifive_e_soc_realize(DeviceState *dev, Error **errp) memmap[SIFIVE_E_PWM2].base, memmap[SIFIVE_E_PWM2].size); /* Flash memory */ - memory_region_init_ram(xip_mem, NULL, "riscv.sifive.e.xip", + memory_region_init_ram(&s->xip_mem, NULL, "riscv.sifive.e.xip", memmap[SIFIVE_E_XIP].size, &error_fatal); - memory_region_set_readonly(xip_mem, true); - memory_region_add_subregion(sys_mem, memmap[SIFIVE_E_XIP].base, xip_mem); + memory_region_set_readonly(&s->xip_mem, true); + memory_region_add_subregion(sys_mem, memmap[SIFIVE_E_XIP].base, + &s->xip_mem); } static void riscv_sifive_e_machine_init(MachineClass *mc) diff --git a/hw/riscv/sifive_prci.c b/hw/riscv/sifive_prci.c index fa136b5a9f..f406682c91 100644 --- a/hw/riscv/sifive_prci.c +++ b/hw/riscv/sifive_prci.c @@ -24,15 +24,18 @@ #include "target/riscv/cpu.h" #include "hw/riscv/sifive_prci.h" -/* currently implements enough to mock freedom-e-sdk BSP clock programming */ - static uint64_t sifive_prci_read(void *opaque, hwaddr addr, unsigned int size) { - if (addr == 0 /* PRCI_HFROSCCFG */) { - return 1 << 31; /* ROSC_RDY */ - } - if (addr == 8 /* PRCI_PLLCFG */) { - return 1 << 31; /* PLL_LOCK */ + SiFivePRCIState *s = opaque; + switch (addr) { + case SIFIVE_PRCI_HFROSCCFG: + return s->hfrosccfg; + case SIFIVE_PRCI_HFXOSCCFG: + return s->hfxosccfg; + case SIFIVE_PRCI_PLLCFG: + return s->pllcfg; + case SIFIVE_PRCI_PLLOUTDIV: + return s->plloutdiv; } hw_error("%s: read: addr=0x%x\n", __func__, (int)addr); return 0; @@ -41,7 +44,30 @@ static uint64_t sifive_prci_read(void *opaque, hwaddr addr, unsigned int size) static void sifive_prci_write(void *opaque, hwaddr addr, uint64_t val64, unsigned int size) { - /* discard writes */ + SiFivePRCIState *s = opaque; + switch (addr) { + case SIFIVE_PRCI_HFROSCCFG: + s->hfrosccfg = (uint32_t) val64; + /* OSC stays ready */ + s->hfrosccfg |= SIFIVE_PRCI_HFROSCCFG_RDY; + break; + case SIFIVE_PRCI_HFXOSCCFG: + s->hfxosccfg = (uint32_t) val64; + /* OSC stays ready */ + s->hfxosccfg |= SIFIVE_PRCI_HFXOSCCFG_RDY; + break; + case SIFIVE_PRCI_PLLCFG: + s->pllcfg = (uint32_t) val64; + /* PLL stays locked */ + s->pllcfg |= SIFIVE_PRCI_PLLCFG_LOCK; + break; + case SIFIVE_PRCI_PLLOUTDIV: + s->plloutdiv = (uint32_t) val64; + break; + default: + hw_error("%s: bad write: addr=0x%x v=0x%x\n", + __func__, (int)addr, (int)val64); + } } static const MemoryRegionOps sifive_prci_ops = { @@ -61,6 +87,13 @@ static void sifive_prci_init(Object *obj) memory_region_init_io(&s->mmio, obj, &sifive_prci_ops, s, TYPE_SIFIVE_PRCI, 0x8000); sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio); + + s->hfrosccfg = (SIFIVE_PRCI_HFROSCCFG_RDY | SIFIVE_PRCI_HFROSCCFG_EN); + s->hfxosccfg = (SIFIVE_PRCI_HFROSCCFG_RDY | SIFIVE_PRCI_HFROSCCFG_EN); + s->pllcfg = (SIFIVE_PRCI_PLLCFG_REFSEL | SIFIVE_PRCI_PLLCFG_BYPASS | + SIFIVE_PRCI_PLLCFG_LOCK); + s->plloutdiv = SIFIVE_PRCI_PLLOUTDIV_DIV1; + } static const TypeInfo sifive_prci_info = { diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 5ecc47cea3..4208671552 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -41,11 +41,11 @@ #include "hw/riscv/sifive_uart.h" #include "hw/riscv/sifive_prci.h" #include "hw/riscv/sifive_u.h" +#include "hw/riscv/boot.h" #include "chardev/char.h" #include "sysemu/arch_init.h" #include "sysemu/device_tree.h" #include "exec/address-spaces.h" -#include "elf.h" #include <libfdt.h> @@ -65,19 +65,6 @@ static const struct MemmapEntry { #define GEM_REVISION 0x10070109 -static target_ulong load_kernel(const char *kernel_filename) -{ - uint64_t kernel_entry, kernel_high; - - if (load_elf(kernel_filename, NULL, NULL, NULL, - &kernel_entry, NULL, &kernel_high, - 0, EM_RISCV, 1, 0) < 0) { - error_report("could not load kernel '%s'", kernel_filename); - exit(1); - } - return kernel_entry; -} - static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, uint64_t mem_size, const char *cmdline) { @@ -86,7 +73,7 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, uint32_t *cells; char *nodename; char ethclk_names[] = "pclk\0hclk\0tx_clk"; - uint32_t plic_phandle, ethclk_phandle; + uint32_t plic_phandle, ethclk_phandle, phandle = 1; fdt = s->fdt = create_device_tree(&s->fdt_size); if (!fdt) { @@ -121,6 +108,7 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1); for (cpu = s->soc.cpus.num_harts - 1; cpu >= 0; cpu--) { + int cpu_phandle = phandle++; nodename = g_strdup_printf("/cpus/cpu@%d", cpu); char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); char *isa = riscv_isa_string(&s->soc.cpus.harts[cpu]); @@ -134,8 +122,8 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_cell(fdt, nodename, "reg", cpu); qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu"); qemu_fdt_add_subnode(fdt, intc); - qemu_fdt_setprop_cell(fdt, intc, "phandle", 1); - qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", 1); + qemu_fdt_setprop_cell(fdt, intc, "phandle", cpu_phandle); + qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", cpu_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); @@ -167,6 +155,7 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, g_free(cells); g_free(nodename); + plic_phandle = phandle++; cells = g_new0(uint32_t, s->soc.cpus.num_harts * 4); for (cpu = 0; cpu < s->soc.cpus.num_harts; cpu++) { nodename = @@ -192,20 +181,21 @@ static void create_fdt(SiFiveUState *s, const struct MemmapEntry *memmap, 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", 0x35); - qemu_fdt_setprop_cells(fdt, nodename, "phandle", 2); - qemu_fdt_setprop_cells(fdt, nodename, "linux,phandle", 2); + qemu_fdt_setprop_cells(fdt, nodename, "phandle", plic_phandle); + qemu_fdt_setprop_cells(fdt, nodename, "linux,phandle", plic_phandle); plic_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(cells); g_free(nodename); + ethclk_phandle = phandle++; nodename = g_strdup_printf("/soc/ethclk"); qemu_fdt_add_subnode(fdt, nodename); qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock"); qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0); qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency", SIFIVE_U_GEM_CLOCK_FREQ); - qemu_fdt_setprop_cell(fdt, nodename, "phandle", 3); - qemu_fdt_setprop_cell(fdt, nodename, "linux,phandle", 3); + qemu_fdt_setprop_cell(fdt, nodename, "phandle", ethclk_phandle); + qemu_fdt_setprop_cell(fdt, nodename, "linux,phandle", ethclk_phandle); ethclk_phandle = qemu_fdt_get_phandle(fdt, nodename); g_free(nodename); @@ -279,8 +269,12 @@ static void riscv_sifive_u_init(MachineState *machine) /* create device tree */ create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline); + if (machine->firmware) { + riscv_load_firmware(machine->firmware, memmap[SIFIVE_U_DRAM].base); + } + if (machine->kernel_filename) { - load_kernel(machine->kernel_filename); + riscv_load_kernel(machine->kernel_filename); } /* reset vector */ @@ -341,6 +335,8 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) MemoryRegion *system_memory = get_system_memory(); MemoryRegion *mask_rom = g_new(MemoryRegion, 1); qemu_irq plic_gpios[SIFIVE_U_PLIC_NUM_SOURCES]; + char *plic_hart_config; + size_t plic_hart_config_len; int i; Error *err = NULL; NICInfo *nd = &nd_table[0]; @@ -354,9 +350,21 @@ static void riscv_sifive_u_soc_realize(DeviceState *dev, Error **errp) memory_region_add_subregion(system_memory, memmap[SIFIVE_U_MROM].base, mask_rom); + /* create PLIC hart topology configuration string */ + plic_hart_config_len = (strlen(SIFIVE_U_PLIC_HART_CONFIG) + 1) * smp_cpus; + plic_hart_config = g_malloc0(plic_hart_config_len); + for (i = 0; i < smp_cpus; i++) { + if (i != 0) { + strncat(plic_hart_config, ",", plic_hart_config_len); + } + strncat(plic_hart_config, SIFIVE_U_PLIC_HART_CONFIG, + plic_hart_config_len); + plic_hart_config_len -= (strlen(SIFIVE_U_PLIC_HART_CONFIG) + 1); + } + /* MMIO */ s->plic = sifive_plic_create(memmap[SIFIVE_U_PLIC].base, - (char *)SIFIVE_U_PLIC_HART_CONFIG, + plic_hart_config, SIFIVE_U_PLIC_NUM_SOURCES, SIFIVE_U_PLIC_NUM_PRIORITIES, SIFIVE_U_PLIC_PRIORITY_BASE, diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 5b33d4be3b..e68be00a5f 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -36,12 +36,12 @@ #include "hw/riscv/riscv_hart.h" #include "hw/riscv/sifive_clint.h" #include "hw/riscv/spike.h" +#include "hw/riscv/boot.h" #include "chardev/char.h" #include "sysemu/arch_init.h" #include "sysemu/device_tree.h" #include "sysemu/qtest.h" #include "exec/address-spaces.h" -#include "elf.h" #include <libfdt.h> @@ -54,19 +54,6 @@ static const struct MemmapEntry { [SPIKE_DRAM] = { 0x80000000, 0x0 }, }; -static target_ulong load_kernel(const char *kernel_filename) -{ - uint64_t kernel_entry, kernel_high; - - if (load_elf_ram_sym(kernel_filename, NULL, NULL, NULL, - &kernel_entry, NULL, &kernel_high, 0, EM_RISCV, 1, 0, - NULL, true, htif_symbol_callback) < 0) { - error_report("could not load kernel '%s'", kernel_filename); - exit(1); - } - return kernel_entry; -} - static void create_fdt(SpikeState *s, const struct MemmapEntry *memmap, uint64_t mem_size, const char *cmdline) { @@ -199,7 +186,7 @@ static void spike_board_init(MachineState *machine) mask_rom); if (machine->kernel_filename) { - load_kernel(machine->kernel_filename); + riscv_load_kernel(machine->kernel_filename); } /* reset vector */ @@ -287,7 +274,7 @@ static void spike_v1_10_0_board_init(MachineState *machine) mask_rom); if (machine->kernel_filename) { - load_kernel(machine->kernel_filename); + riscv_load_kernel(machine->kernel_filename); } /* reset vector */ @@ -372,7 +359,7 @@ static void spike_v1_09_1_board_init(MachineState *machine) mask_rom); if (machine->kernel_filename) { - load_kernel(machine->kernel_filename); + riscv_load_kernel(machine->kernel_filename); } /* reset vector */ diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 84d94d0c42..d8181a4ff1 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -34,13 +34,13 @@ #include "hw/riscv/sifive_clint.h" #include "hw/riscv/sifive_test.h" #include "hw/riscv/virt.h" +#include "hw/riscv/boot.h" #include "chardev/char.h" #include "sysemu/arch_init.h" #include "sysemu/device_tree.h" #include "exec/address-spaces.h" #include "hw/pci/pci.h" #include "hw/pci-host/gpex.h" -#include "elf.h" #include <libfdt.h> @@ -61,47 +61,6 @@ static const struct MemmapEntry { [VIRT_PCIE_ECAM] = { 0x30000000, 0x10000000 }, }; -static target_ulong load_kernel(const char *kernel_filename) -{ - uint64_t kernel_entry, kernel_high; - - if (load_elf(kernel_filename, NULL, NULL, NULL, - &kernel_entry, NULL, &kernel_high, - 0, EM_RISCV, 1, 0) < 0) { - error_report("could not load kernel '%s'", kernel_filename); - exit(1); - } - return kernel_entry; -} - -static hwaddr load_initrd(const char *filename, uint64_t mem_size, - uint64_t kernel_entry, hwaddr *start) -{ - int size; - - /* We want to put the initrd far enough into RAM that when the - * kernel is uncompressed it will not clobber the initrd. However - * on boards without much RAM we must ensure that we still leave - * enough room for a decent sized initrd, and on boards with large - * amounts of RAM we must avoid the initrd being so far up in RAM - * that it is outside lowmem and inaccessible to the kernel. - * So for boards with less than 256MB of RAM we put the initrd - * halfway into RAM, and for boards with 256MB of RAM or more we put - * the initrd at 128MB. - */ - *start = kernel_entry + MIN(mem_size / 2, 128 * MiB); - - size = load_ramdisk(filename, *start, mem_size - *start); - if (size == -1) { - size = load_image_targphys(filename, *start, mem_size - *start); - if (size == -1) { - error_report("could not load ramdisk '%s'", filename); - exit(1); - } - } - return *start + size; -} - static void create_pcie_irq_map(void *fdt, char *nodename, uint32_t plic_phandle) { @@ -191,6 +150,7 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, for (cpu = s->soc.num_harts - 1; cpu >= 0; cpu--) { int cpu_phandle = phandle++; + int intc_phandle; nodename = g_strdup_printf("/cpus/cpu@%d", cpu); char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu); char *isa = riscv_isa_string(&s->soc.harts[cpu]); @@ -203,9 +163,12 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, 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", cpu_phandle); - qemu_fdt_setprop_cell(fdt, intc, "linux,phandle", cpu_phandle); + 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); @@ -214,6 +177,20 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, g_free(nodename); } + /* Add cpu-topology node */ + qemu_fdt_add_subnode(fdt, "/cpus/cpu-map"); + qemu_fdt_add_subnode(fdt, "/cpus/cpu-map/cluster0"); + for (cpu = s->soc.num_harts - 1; cpu >= 0; cpu--) { + char *core_nodename = g_strdup_printf("/cpus/cpu-map/cluster0/core%d", + cpu); + char *cpu_nodename = g_strdup_printf("/cpus/cpu@%d", cpu); + uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, cpu_nodename); + qemu_fdt_add_subnode(fdt, core_nodename); + qemu_fdt_setprop_cell(fdt, core_nodename, "cpu", intc_phandle); + g_free(core_nodename); + g_free(cpu_nodename); + } + cells = g_new0(uint32_t, s->soc.num_harts * 4); for (cpu = 0; cpu < s->soc.num_harts; cpu++) { nodename = @@ -298,7 +275,7 @@ static void *create_fdt(RISCVVirtState *s, const struct MemmapEntry *memmap, qemu_fdt_setprop_string(fdt, nodename, "device_type", "pci"); qemu_fdt_setprop_cell(fdt, nodename, "linux,pci-domain", 0); qemu_fdt_setprop_cells(fdt, nodename, "bus-range", 0, - memmap[VIRT_PCIE_ECAM].base / + memmap[VIRT_PCIE_ECAM].size / PCIE_MMCFG_SIZE_MIN - 1); qemu_fdt_setprop(fdt, nodename, "dma-coherent", NULL, 0); qemu_fdt_setprop_cells(fdt, nodename, "reg", 0, memmap[VIRT_PCIE_ECAM].base, @@ -421,14 +398,18 @@ static void riscv_virt_board_init(MachineState *machine) memory_region_add_subregion(system_memory, memmap[VIRT_MROM].base, mask_rom); + if (machine->firmware) { + riscv_load_firmware(machine->firmware, memmap[VIRT_DRAM].base); + } + if (machine->kernel_filename) { - uint64_t kernel_entry = load_kernel(machine->kernel_filename); + uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename); if (machine->initrd_filename) { hwaddr start; - hwaddr end = load_initrd(machine->initrd_filename, - machine->ram_size, kernel_entry, - &start); + hwaddr end = riscv_load_initrd(machine->initrd_filename, + machine->ram_size, kernel_entry, + &start); qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start", start); qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end", |