From 5b8a986350a9ee2d9d95a76c29017c3c603bb350 Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Mon, 27 Apr 2020 13:36:43 +0530 Subject: [PATCH] hw/riscv/spike: Allow loading firmware separately using -bios option This patch extends Spike machine support to allow loading OpenSBI firmware (fw_jump.elf) separately using -bios option. Signed-off-by: Anup Patel Reviewed-by: Alistair Francis Message-id: 20200427080644.168461-3-anup.patel@wdc.com Message-Id: <20200427080644.168461-3-anup.patel@wdc.com> Signed-off-by: Alistair Francis --- hw/riscv/spike.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c index 98697a244e..e7908b88fe 100644 --- a/hw/riscv/spike.c +++ b/hw/riscv/spike.c @@ -45,6 +45,12 @@ #include +#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; @@ -187,8 +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 */