diff options
| author | Palmer Dabbelt <palmer@sifive.com> | 2019-06-24 01:59:05 -0700 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@sifive.com> | 2019-06-25 22:31:21 -0700 |
| commit | 50fba816cd226001bec3e495c39879deb2fa5432 (patch) | |
| tree | 0a8b056c8e90559d6a59fe53c53a8607617c08e4 /target/riscv/insn_trans | |
| parent | 0a13a5b856ebb59dec6d165b87a0ba0e1e2dd952 (diff) | |
| download | qemu-50fba816cd226001bec3e495c39879deb2fa5432.zip | |
RISC-V: Add support for the Zifencei extension
fence.i has been split out of the base ISA as part of the ratification
process. This patch adds a Zifencei argument, which disables the
fence.i instruction.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/riscv/insn_trans')
| -rw-r--r-- | target/riscv/insn_trans/trans_rvi.inc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target/riscv/insn_trans/trans_rvi.inc.c b/target/riscv/insn_trans/trans_rvi.inc.c index 6cda078ed6..ea6473111c 100644 --- a/target/riscv/insn_trans/trans_rvi.inc.c +++ b/target/riscv/insn_trans/trans_rvi.inc.c @@ -484,6 +484,10 @@ static bool trans_fence(DisasContext *ctx, arg_fence *a) static bool trans_fence_i(DisasContext *ctx, arg_fence_i *a) { + if (!ctx->ext_ifencei) { + return false; + } + /* * FENCE_I is a no-op in QEMU, * however we need to end the translation block |