On Fri, Aug 5, 2022 at 8:08 PM Daniel Henrique Barboza
<danielhb...@gmail.com> wrote:
>
> This will enable support for 'dumpdtb' and 'info fdt' HMP commands for
> the spike machine.
>
> Cc: Palmer Dabbelt <pal...@dabbelt.com>
> Cc: Alistair Francis <alistair.fran...@wdc.com>
> Cc: Bin Meng <bin.m...@windriver.com>
> Signed-off-by: Daniel Henrique Barboza <danielhb...@gmail.com>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com>
Alistair
> ---
> hw/riscv/spike.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c
> index e41b6aa9f0..2909f7b2a1 100644
> --- a/hw/riscv/spike.c
> +++ b/hw/riscv/spike.c
> @@ -40,6 +40,8 @@
> #include "sysemu/device_tree.h"
> #include "sysemu/sysemu.h"
>
> +#include <libfdt.h>
> +
> static const MemMapEntry spike_memmap[] = {
> [SPIKE_MROM] = { 0x1000, 0xf000 },
> [SPIKE_HTIF] = { 0x1000000, 0x1000 },
> @@ -304,6 +306,15 @@ static void spike_board_init(MachineState *machine)
> /* Compute the fdt load address in dram */
> fdt_load_addr = riscv_load_fdt(memmap[SPIKE_DRAM].base,
> machine->ram_size, s->fdt);
> +
> + /*
> + * Update the machine->fdt pointer to enable support for
> + * 'dumpdtb'and 'info fdt' commands. Use fdt_pack() to
> + * shrink the blob size we're going to store.
> + */
> + fdt_pack(s->fdt);
> + machine->fdt = s->fdt;
> +
> /* load the reset vector */
> riscv_setup_rom_reset_vec(machine, &s->soc[0], memmap[SPIKE_DRAM].base,
> memmap[SPIKE_MROM].base,
> --
> 2.36.1
>
>
