diff options
Diffstat (limited to 'hw/riscv/spike.c')
| -rw-r--r-- | hw/riscv/spike.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 5053fe4590..d0c4843712 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -45,6 +45,12 @@ #include <libfdt.h> +#if defined(TARGET_RISCV32) +# define BIOS_FILENAME "opensbi-riscv32-spike-fw_jump.elf" +#else +# define BIOS_FILENAME "opensbi-riscv64-spike-fw_jump.elf" +#endif + static const struct MemmapEntry { hwaddr base; hwaddr size; @@ -102,7 +108,11 @@ static void create_fdt(SpikeState *s, const struct MemmapEntry *memmap, 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); +#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"); @@ -183,8 +193,24 @@ static void spike_board_init(MachineState *machine) memory_region_add_subregion(system_memory, memmap[SPIKE_MROM].base, mask_rom); + riscv_find_and_load_firmware(machine, BIOS_FILENAME, + memmap[SPIKE_DRAM].base, + htif_symbol_callback); + if (machine->kernel_filename) { - riscv_load_kernel(machine->kernel_filename, htif_symbol_callback); + uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename, + htif_symbol_callback); + + if (machine->initrd_filename) { + hwaddr start; + hwaddr end = riscv_load_initrd(machine->initrd_filename, + machine->ram_size, kernel_entry, + &start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", + "linux,initrd-start", start); + qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end", + end); + } } /* reset vector */ @@ -450,7 +476,7 @@ static void spike_machine_init(MachineClass *mc) { mc->desc = "RISC-V Spike Board"; mc->init = spike_board_init; - mc->max_cpus = 1; + mc->max_cpus = 8; mc->is_default = true; mc->default_cpu_type = SPIKE_V1_10_0_CPU; } |