| From: |
| Hengqi Chen <hengqi.chen-AT-gmail.com> |
| To: |
| loongarch-AT-lists.linux.dev, bpf-AT-vger.kernel.org |
| Subject: |
| [PATCH bpf-next 0/8] bpf: Support cpu v4 instructions for LoongArch |
| Date: |
| Thu, 26 Oct 2023 18:43:29 +0000 |
| Message-ID: |
| <20231026184337.563801-1-hengqi.chen@gmail.com> |
| Cc: |
| ast-AT-kernel.org, daniel-AT-iogearbox.net, andrii-AT-kernel.org, chenhuacai-AT-kernel.org, kernel-AT-xen0n.name, yangtiezhu-AT-loongson.cn, hengqi.chen-AT-gmail.com |
| Archive-link: |
| Article |
This patchset adds support for cpu v4 instructions for LoongArch.
For details, see the proposal ([0]) and its implementation in BPF core ([1]).
[0]: https://lore.kernel.org/bpf/4bfe98be-5333-1c7e-2f6d-42486...
[1]: https://lore.kernel.org/all/20230728011143.3710005-1-yong...
Hengqi Chen (8):
LoongArch: Add more instruction opcodes and emit_* helpers
LoongArch: BPF: Support sign-extension load instructions
LoongArch: BPF: Support sign-extension mov instructions
LoongArch: BPF: Support unconditional bswap instructions
LoongArch: BPF: Support 32-bit offset jmp instructions
LoongArch: BPF: Support signed div instructions
LoongArch: BPF: Support signed mod instructions
selftests/bpf: Enable cpu v4 tests for LoongArch
arch/loongarch/include/asm/inst.h | 13 ++
arch/loongarch/net/bpf_jit.c | 143 ++++++++++++++----
.../selftests/bpf/progs/test_ldsx_insn.c | 3 +-
.../selftests/bpf/progs/verifier_bswap.c | 3 +-
.../selftests/bpf/progs/verifier_gotol.c | 3 +-
.../selftests/bpf/progs/verifier_ldsx.c | 3 +-
.../selftests/bpf/progs/verifier_movsx.c | 3 +-
.../selftests/bpf/progs/verifier_sdiv.c | 3 +-
8 files changed, 137 insertions(+), 37 deletions(-)
--
2.34.1
