diff options
Diffstat (limited to 'arch/riscv/net/bpf_jit_comp64.c')
-rw-r--r-- | arch/riscv/net/bpf_jit_comp64.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c index aac190085472..1adf2f39ce59 100644 --- a/arch/riscv/net/bpf_jit_comp64.c +++ b/arch/riscv/net/bpf_jit_comp64.c @@ -1463,6 +1463,22 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx, if (ret < 0) return ret; + if (insn->src_reg == BPF_PSEUDO_KFUNC_CALL) { + const struct btf_func_model *fm; + int idx; + + fm = bpf_jit_find_kfunc_model(ctx->prog, insn); + if (!fm) + return -EINVAL; + + for (idx = 0; idx < fm->nr_args; idx++) { + u8 reg = bpf_to_rv_reg(BPF_REG_1 + idx, ctx); + + if (fm->arg_size[idx] == sizeof(int)) + emit_sextw(reg, reg, ctx); + } + } + ret = emit_call(addr, fixed_addr, ctx); if (ret) return ret; |