Add a description for each opcode class. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- Documentation/bpf/instruction-set.rst | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/Documentation/bpf/instruction-set.rst b/Documentation/bpf/instruction-set.rst index 03bf3c6c55771..2987cbb07f7f6 100644 --- a/Documentation/bpf/instruction-set.rst +++ b/Documentation/bpf/instruction-set.rst @@ -38,18 +38,18 @@ Instruction classes The three LSB bits of the 'opcode' field store the instruction class: - ========= ===== - class value - ========= ===== - BPF_LD 0x00 - BPF_LDX 0x01 - BPF_ST 0x02 - BPF_STX 0x03 - BPF_ALU 0x04 - BPF_JMP 0x05 - BPF_JMP32 0x06 - BPF_ALU64 0x07 - ========= ===== + ========= ===== =============================== + class value description + ========= ===== =============================== + BPF_LD 0x00 non-standard load operations + BPF_LDX 0x01 load into register operations + BPF_ST 0x02 store from immediate operations + BPF_STX 0x03 store from register operations + BPF_ALU 0x04 32-bit arithmetic operations + BPF_JMP 0x05 64-bit jump operations + BPF_JMP32 0x06 32-bit jump operations + BPF_ALU64 0x07 64-bit arithmetic operations + ========= ===== =============================== Arithmetic and jump instructions ================================ -- 2.30.2
