diff options
| -rw-r--r-- | Documentation/bpf/standardization/instruction-set.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/bpf/standardization/instruction-set.rst b/Documentation/bpf/standardization/instruction-set.rst index 1c4258f1ce93..bdfe0cd0e499 100644 --- a/Documentation/bpf/standardization/instruction-set.rst +++ b/Documentation/bpf/standardization/instruction-set.rst @@ -117,6 +117,7 @@ corresponds to a set of instructions that are mandatory. That is, each instruction has one or more conformance groups of which it is a member. This document defines the following conformance groups: + * base32: includes all instructions defined in this specification unless otherwise noted. * base64: includes base32, plus instructions explicitly noted @@ -289,11 +290,11 @@ where '(u32)' indicates that the upper 32 bits are zeroed. ``BPF_XOR | BPF_K | BPF_ALU`` means:: - dst = (u32) dst ^ (u32) imm32 + dst = (u32) dst ^ (u32) imm ``BPF_XOR | BPF_K | BPF_ALU64`` means:: - dst = dst ^ imm32 + dst = dst ^ imm Note that most instructions have instruction offset of 0. Only three instructions (``BPF_SDIV``, ``BPF_SMOD``, ``BPF_MOVSX``) have a non-zero offset. @@ -511,7 +512,7 @@ instructions that transfer data between a register and memory. ``BPF_MEM | <size> | BPF_ST`` means:: - *(size *) (dst + offset) = imm32 + *(size *) (dst + offset) = imm ``BPF_MEM | <size> | BPF_LDX`` means:: |