diff options
| author | Charlie Jenkins <charlie@rivosinc.com> | 2024-11-13 18:21:10 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2025-01-18 12:33:28 -0800 |
| commit | cddd63869f9214f2bc5c4b89a8ea1bd0ff4d89c5 (patch) | |
| tree | f1526c370272d00cc466c8bee04420419f92f2a3 /arch/riscv/include/asm | |
| parent | ce1daeeba600a79b776864f12d19e799f1eb124f (diff) | |
riscv: Add thead and xtheadvector as a vendor extension
Add support to the kernel for THead vendor extensions with the target of
the new extension xtheadvector.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Yangyu Chen <cyy@cyyself.name>
Link: https://lore.kernel.org/r/20241113-xtheadvector-v11-4-236c22791ef9@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include/asm')
| -rw-r--r-- | arch/riscv/include/asm/vendor_extensions/thead.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/vendor_extensions/thead.h b/arch/riscv/include/asm/vendor_extensions/thead.h new file mode 100644 index 000000000000..48421d1553ad --- /dev/null +++ b/arch/riscv/include/asm/vendor_extensions/thead.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_RISCV_VENDOR_EXTENSIONS_THEAD_H +#define _ASM_RISCV_VENDOR_EXTENSIONS_THEAD_H + +#include <asm/vendor_extensions.h> + +#include <linux/types.h> + +/* + * Extension keys must be strictly less than RISCV_ISA_VENDOR_EXT_MAX. + */ +#define RISCV_ISA_VENDOR_EXT_XTHEADVECTOR 0 + +extern struct riscv_isa_vendor_ext_data_list riscv_isa_vendor_ext_list_thead; + +#endif |