On 01/03/2023 21:59, Daniel Henrique Barboza wrote:
From: Anup Patel <apa...@ventanamicro.com>The cbom-block-size fdt property property is used to inform the OS about the blocksize in bytes for the Zicbom cache operations. Linux documents it in Documentation/devicetree/bindings/riscv/cpus.yaml as: riscv,cbom-block-size: $ref: /schemas/types.yaml#/definitions/uint32 description: The blocksize in bytes for the Zicbom cache operations. Signed-off-by: Anup Patel <apa...@ventanamicro.com> --- hw/riscv/virt.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 49acb57da4..31b55cc62f 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -244,6 +244,12 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket, name = riscv_isa_string(cpu_ptr); qemu_fdt_setprop_string(ms->fdt, cpu_name, "riscv,isa", name); g_free(name); + + if (cpu_ptr->cfg.ext_icbom) { + qemu_fdt_setprop_cell(ms->fdt, cpu_name, "riscv,cbom-block-size", + cpu_ptr->cfg.cbom_blocksize); + } + qemu_fdt_setprop_string(ms->fdt, cpu_name, "compatible", "riscv"); qemu_fdt_setprop_string(ms->fdt, cpu_name, "status", "okay"); qemu_fdt_setprop_cell(ms->fdt, cpu_name, "reg",
You'll need the same for riscv,cboz-block-size as well. -- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius https://www.codethink.co.uk/privacy.html
