From: Pu Lehui <[email protected]>
Add support 32-bit offset jmp instruction for RV64.
Signed-off-by: Pu Lehui <[email protected]>
---
arch/riscv/net/bpf_jit_comp64.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c
index d1497182cacf..3d4e9182385d 100644
--- a/arch/riscv/net/bpf_jit_comp64.c
+++ b/arch/riscv/net/bpf_jit_comp64.c
@@ -1327,7 +1327,11 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx,
/* JUMP off */
case BPF_JMP | BPF_JA:
- rvoff = rv_offset(i, off, ctx);
+ case BPF_JMP32 | BPF_JA:
+ if (BPF_CLASS(code) == BPF_JMP)
+ rvoff = rv_offset(i, off, ctx);
+ else
+ rvoff = rv_offset(i, imm, ctx);
ret = emit_jump_and_link(RV_REG_ZERO, rvoff, true, ctx);
if (ret)
return ret;
--
2.39.2