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Message-Id: <20230823231059.3363698-1-pulehui@huaweicloud.com>
Date: Wed, 23 Aug 2023 23:10:52 +0000
From: Pu Lehui <pulehui@...weicloud.com>
To: linux-riscv@...ts.infradead.org, bpf@...r.kernel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Björn Töpel <bjorn@...nel.org>,
Yonghong Song <yhs@...com>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <martin.lau@...ux.dev>,
Song Liu <song@...nel.org>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>,
Stanislav Fomichev <sdf@...gle.com>,
Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
Palmer Dabbelt <palmer@...belt.com>,
Xu Kuohai <xukuohai@...wei.com>,
Puranjay Mohan <puranjay12@...il.com>,
Pu Lehui <pulehui@...wei.com>,
Pu Lehui <pulehui@...weicloud.com>
Subject: [PATCH bpf-next 0/7] Add support cpu v4 insns for RV64
Add support cpu v4 instructions for RV64. The relevant tests have passed as show bellow:
# ./test_progs-cpuv4 -a ldsx_insn,verifier_sdiv,verifier_movsx,verifier_ldsx,verifier_gotol,verifier_bswap
#116/1 ldsx_insn/map_val and probed_memory:OK
#116/2 ldsx_insn/ctx_member_sign_ext:OK
#116/3 ldsx_insn/ctx_member_narrow_sign_ext:OK
#116 ldsx_insn:OK
#309/1 verifier_bswap/BSWAP, 16:OK
#309/2 verifier_bswap/BSWAP, 16 @unpriv:OK
#309/3 verifier_bswap/BSWAP, 32:OK
#309/4 verifier_bswap/BSWAP, 32 @unpriv:OK
#309/5 verifier_bswap/BSWAP, 64:OK
#309/6 verifier_bswap/BSWAP, 64 @unpriv:OK
#309 verifier_bswap:OK
#323/1 verifier_gotol/gotol, small_imm:OK
#323/2 verifier_gotol/gotol, small_imm @unpriv:OK
#323 verifier_gotol:OK
#331/1 verifier_ldsx/LDSX, S8:OK
#331/2 verifier_ldsx/LDSX, S8 @unpriv:OK
#331/3 verifier_ldsx/LDSX, S16:OK
#331/4 verifier_ldsx/LDSX, S16 @unpriv:OK
#331/5 verifier_ldsx/LDSX, S32:OK
#331/6 verifier_ldsx/LDSX, S32 @unpriv:OK
#331/7 verifier_ldsx/LDSX, S8 range checking, privileged:OK
#331/8 verifier_ldsx/LDSX, S16 range checking:OK
#331/9 verifier_ldsx/LDSX, S16 range checking @unpriv:OK
#331/10 verifier_ldsx/LDSX, S32 range checking:OK
#331/11 verifier_ldsx/LDSX, S32 range checking @unpriv:OK
#331 verifier_ldsx:OK
#342/1 verifier_movsx/MOV32SX, S8:OK
#342/2 verifier_movsx/MOV32SX, S8 @unpriv:OK
#342/3 verifier_movsx/MOV32SX, S16:OK
#342/4 verifier_movsx/MOV32SX, S16 @unpriv:OK
#342/5 verifier_movsx/MOV64SX, S8:OK
#342/6 verifier_movsx/MOV64SX, S8 @unpriv:OK
#342/7 verifier_movsx/MOV64SX, S16:OK
#342/8 verifier_movsx/MOV64SX, S16 @unpriv:OK
#342/9 verifier_movsx/MOV64SX, S32:OK
#342/10 verifier_movsx/MOV64SX, S32 @unpriv:OK
#342/11 verifier_movsx/MOV32SX, S8, range_check:OK
#342/12 verifier_movsx/MOV32SX, S8, range_check @unpriv:OK
#342/13 verifier_movsx/MOV32SX, S16, range_check:OK
#342/14 verifier_movsx/MOV32SX, S16, range_check @unpriv:OK
#342/15 verifier_movsx/MOV32SX, S16, range_check 2:OK
#342/16 verifier_movsx/MOV32SX, S16, range_check 2 @unpriv:OK
#342/17 verifier_movsx/MOV64SX, S8, range_check:OK
#342/18 verifier_movsx/MOV64SX, S8, range_check @unpriv:OK
#342/19 verifier_movsx/MOV64SX, S16, range_check:OK
#342/20 verifier_movsx/MOV64SX, S16, range_check @unpriv:OK
#342/21 verifier_movsx/MOV64SX, S32, range_check:OK
#342/22 verifier_movsx/MOV64SX, S32, range_check @unpriv:OK
#342/23 verifier_movsx/MOV64SX, S16, R10 Sign Extension:OK
#342/24 verifier_movsx/MOV64SX, S16, R10 Sign Extension @unpriv:OK
#342 verifier_movsx:OK
#354/1 verifier_sdiv/SDIV32, non-zero imm divisor, check 1:OK
#354/2 verifier_sdiv/SDIV32, non-zero imm divisor, check 1 @unpriv:OK
#354/3 verifier_sdiv/SDIV32, non-zero imm divisor, check 2:OK
#354/4 verifier_sdiv/SDIV32, non-zero imm divisor, check 2 @unpriv:OK
#354/5 verifier_sdiv/SDIV32, non-zero imm divisor, check 3:OK
#354/6 verifier_sdiv/SDIV32, non-zero imm divisor, check 3 @unpriv:OK
#354/7 verifier_sdiv/SDIV32, non-zero imm divisor, check 4:OK
#354/8 verifier_sdiv/SDIV32, non-zero imm divisor, check 4 @unpriv:OK
#354/9 verifier_sdiv/SDIV32, non-zero imm divisor, check 5:OK
#354/10 verifier_sdiv/SDIV32, non-zero imm divisor, check 5 @unpriv:OK
#354/11 verifier_sdiv/SDIV32, non-zero imm divisor, check 6:OK
#354/12 verifier_sdiv/SDIV32, non-zero imm divisor, check 6 @unpriv:OK
#354/13 verifier_sdiv/SDIV32, non-zero imm divisor, check 7:OK
#354/14 verifier_sdiv/SDIV32, non-zero imm divisor, check 7 @unpriv:OK
#354/15 verifier_sdiv/SDIV32, non-zero imm divisor, check 8:OK
#354/16 verifier_sdiv/SDIV32, non-zero imm divisor, check 8 @unpriv:OK
#354/17 verifier_sdiv/SDIV32, non-zero reg divisor, check 1:OK
#354/18 verifier_sdiv/SDIV32, non-zero reg divisor, check 1 @unpriv:OK
#354/19 verifier_sdiv/SDIV32, non-zero reg divisor, check 2:OK
#354/20 verifier_sdiv/SDIV32, non-zero reg divisor, check 2 @unpriv:OK
#354/21 verifier_sdiv/SDIV32, non-zero reg divisor, check 3:OK
#354/22 verifier_sdiv/SDIV32, non-zero reg divisor, check 3 @unpriv:OK
#354/23 verifier_sdiv/SDIV32, non-zero reg divisor, check 4:OK
#354/24 verifier_sdiv/SDIV32, non-zero reg divisor, check 4 @unpriv:OK
#354/25 verifier_sdiv/SDIV32, non-zero reg divisor, check 5:OK
#354/26 verifier_sdiv/SDIV32, non-zero reg divisor, check 5 @unpriv:OK
#354/27 verifier_sdiv/SDIV32, non-zero reg divisor, check 6:OK
#354/28 verifier_sdiv/SDIV32, non-zero reg divisor, check 6 @unpriv:OK
#354/29 verifier_sdiv/SDIV32, non-zero reg divisor, check 7:OK
#354/30 verifier_sdiv/SDIV32, non-zero reg divisor, check 7 @unpriv:OK
#354/31 verifier_sdiv/SDIV32, non-zero reg divisor, check 8:OK
#354/32 verifier_sdiv/SDIV32, non-zero reg divisor, check 8 @unpriv:OK
#354/33 verifier_sdiv/SDIV64, non-zero imm divisor, check 1:OK
#354/34 verifier_sdiv/SDIV64, non-zero imm divisor, check 1 @unpriv:OK
#354/35 verifier_sdiv/SDIV64, non-zero imm divisor, check 2:OK
#354/36 verifier_sdiv/SDIV64, non-zero imm divisor, check 2 @unpriv:OK
#354/37 verifier_sdiv/SDIV64, non-zero imm divisor, check 3:OK
#354/38 verifier_sdiv/SDIV64, non-zero imm divisor, check 3 @unpriv:OK
#354/39 verifier_sdiv/SDIV64, non-zero imm divisor, check 4:OK
#354/40 verifier_sdiv/SDIV64, non-zero imm divisor, check 4 @unpriv:OK
#354/41 verifier_sdiv/SDIV64, non-zero imm divisor, check 5:OK
#354/42 verifier_sdiv/SDIV64, non-zero imm divisor, check 5 @unpriv:OK
#354/43 verifier_sdiv/SDIV64, non-zero imm divisor, check 6:OK
#354/44 verifier_sdiv/SDIV64, non-zero imm divisor, check 6 @unpriv:OK
#354/45 verifier_sdiv/SDIV64, non-zero reg divisor, check 1:OK
#354/46 verifier_sdiv/SDIV64, non-zero reg divisor, check 1 @unpriv:OK
#354/47 verifier_sdiv/SDIV64, non-zero reg divisor, check 2:OK
#354/48 verifier_sdiv/SDIV64, non-zero reg divisor, check 2 @unpriv:OK
#354/49 verifier_sdiv/SDIV64, non-zero reg divisor, check 3:OK
#354/50 verifier_sdiv/SDIV64, non-zero reg divisor, check 3 @unpriv:OK
#354/51 verifier_sdiv/SDIV64, non-zero reg divisor, check 4:OK
#354/52 verifier_sdiv/SDIV64, non-zero reg divisor, check 4 @unpriv:OK
#354/53 verifier_sdiv/SDIV64, non-zero reg divisor, check 5:OK
#354/54 verifier_sdiv/SDIV64, non-zero reg divisor, check 5 @unpriv:OK
#354/55 verifier_sdiv/SDIV64, non-zero reg divisor, check 6:OK
#354/56 verifier_sdiv/SDIV64, non-zero reg divisor, check 6 @unpriv:OK
#354/57 verifier_sdiv/SMOD32, non-zero imm divisor, check 1:OK
#354/58 verifier_sdiv/SMOD32, non-zero imm divisor, check 1 @unpriv:OK
#354/59 verifier_sdiv/SMOD32, non-zero imm divisor, check 2:OK
#354/60 verifier_sdiv/SMOD32, non-zero imm divisor, check 2 @unpriv:OK
#354/61 verifier_sdiv/SMOD32, non-zero imm divisor, check 3:OK
#354/62 verifier_sdiv/SMOD32, non-zero imm divisor, check 3 @unpriv:OK
#354/63 verifier_sdiv/SMOD32, non-zero imm divisor, check 4:OK
#354/64 verifier_sdiv/SMOD32, non-zero imm divisor, check 4 @unpriv:OK
#354/65 verifier_sdiv/SMOD32, non-zero imm divisor, check 5:OK
#354/66 verifier_sdiv/SMOD32, non-zero imm divisor, check 5 @unpriv:OK
#354/67 verifier_sdiv/SMOD32, non-zero imm divisor, check 6:OK
#354/68 verifier_sdiv/SMOD32, non-zero imm divisor, check 6 @unpriv:OK
#354/69 verifier_sdiv/SMOD32, non-zero reg divisor, check 1:OK
#354/70 verifier_sdiv/SMOD32, non-zero reg divisor, check 1 @unpriv:OK
#354/71 verifier_sdiv/SMOD32, non-zero reg divisor, check 2:OK
#354/72 verifier_sdiv/SMOD32, non-zero reg divisor, check 2 @unpriv:OK
#354/73 verifier_sdiv/SMOD32, non-zero reg divisor, check 3:OK
#354/74 verifier_sdiv/SMOD32, non-zero reg divisor, check 3 @unpriv:OK
#354/75 verifier_sdiv/SMOD32, non-zero reg divisor, check 4:OK
#354/76 verifier_sdiv/SMOD32, non-zero reg divisor, check 4 @unpriv:OK
#354/77 verifier_sdiv/SMOD32, non-zero reg divisor, check 5:OK
#354/78 verifier_sdiv/SMOD32, non-zero reg divisor, check 5 @unpriv:OK
#354/79 verifier_sdiv/SMOD32, non-zero reg divisor, check 6:OK
#354/80 verifier_sdiv/SMOD32, non-zero reg divisor, check 6 @unpriv:OK
#354/81 verifier_sdiv/SMOD64, non-zero imm divisor, check 1:OK
#354/82 verifier_sdiv/SMOD64, non-zero imm divisor, check 1 @unpriv:OK
#354/83 verifier_sdiv/SMOD64, non-zero imm divisor, check 2:OK
#354/84 verifier_sdiv/SMOD64, non-zero imm divisor, check 2 @unpriv:OK
#354/85 verifier_sdiv/SMOD64, non-zero imm divisor, check 3:OK
#354/86 verifier_sdiv/SMOD64, non-zero imm divisor, check 3 @unpriv:OK
#354/87 verifier_sdiv/SMOD64, non-zero imm divisor, check 4:OK
#354/88 verifier_sdiv/SMOD64, non-zero imm divisor, check 4 @unpriv:OK
#354/89 verifier_sdiv/SMOD64, non-zero imm divisor, check 5:OK
#354/90 verifier_sdiv/SMOD64, non-zero imm divisor, check 5 @unpriv:OK
#354/91 verifier_sdiv/SMOD64, non-zero imm divisor, check 6:OK
#354/92 verifier_sdiv/SMOD64, non-zero imm divisor, check 6 @unpriv:OK
#354/93 verifier_sdiv/SMOD64, non-zero imm divisor, check 7:OK
#354/94 verifier_sdiv/SMOD64, non-zero imm divisor, check 7 @unpriv:OK
#354/95 verifier_sdiv/SMOD64, non-zero imm divisor, check 8:OK
#354/96 verifier_sdiv/SMOD64, non-zero imm divisor, check 8 @unpriv:OK
#354/97 verifier_sdiv/SMOD64, non-zero reg divisor, check 1:OK
#354/98 verifier_sdiv/SMOD64, non-zero reg divisor, check 1 @unpriv:OK
#354/99 verifier_sdiv/SMOD64, non-zero reg divisor, check 2:OK
#354/100 verifier_sdiv/SMOD64, non-zero reg divisor, check 2 @unpriv:OK
#354/101 verifier_sdiv/SMOD64, non-zero reg divisor, check 3:OK
#354/102 verifier_sdiv/SMOD64, non-zero reg divisor, check 3 @unpriv:OK
#354/103 verifier_sdiv/SMOD64, non-zero reg divisor, check 4:OK
#354/104 verifier_sdiv/SMOD64, non-zero reg divisor, check 4 @unpriv:OK
#354/105 verifier_sdiv/SMOD64, non-zero reg divisor, check 5:OK
#354/106 verifier_sdiv/SMOD64, non-zero reg divisor, check 5 @unpriv:OK
#354/107 verifier_sdiv/SMOD64, non-zero reg divisor, check 6:OK
#354/108 verifier_sdiv/SMOD64, non-zero reg divisor, check 6 @unpriv:OK
#354/109 verifier_sdiv/SMOD64, non-zero reg divisor, check 7:OK
#354/110 verifier_sdiv/SMOD64, non-zero reg divisor, check 7 @unpriv:OK
#354/111 verifier_sdiv/SMOD64, non-zero reg divisor, check 8:OK
#354/112 verifier_sdiv/SMOD64, non-zero reg divisor, check 8 @unpriv:OK
#354/113 verifier_sdiv/SDIV32, zero divisor:OK
#354/114 verifier_sdiv/SDIV32, zero divisor @unpriv:OK
#354/115 verifier_sdiv/SDIV64, zero divisor:OK
#354/116 verifier_sdiv/SDIV64, zero divisor @unpriv:OK
#354/117 verifier_sdiv/SMOD32, zero divisor:OK
#354/118 verifier_sdiv/SMOD32, zero divisor @unpriv:OK
#354/119 verifier_sdiv/SMOD64, zero divisor:OK
#354/120 verifier_sdiv/SMOD64, zero divisor @unpriv:OK
#354 verifier_sdiv:OK
Summary: 6/166 PASSED, 0 SKIPPED, 0 FAILED
NOTE: ldsx_insn testcase uses fentry and needs to rely on ftrace direct call [0].
[0] https://lore.kernel.org/all/20230627111612.761164-1-suagrfillet@gmail.com/
Pu Lehui (7):
riscv, bpf: Fix missing exception handling and redundant zext for
LDX_B/H/W
riscv, bpf: Support sign-extension load insns
riscv, bpf: Support sign-extension mov insns
riscv, bpf: Support 32-bit offset jmp insn
riscv, bpf: Support signed div/mod insns
riscv, bpf: Support unconditional bswap insn
selftests/bpf: Enable cpu v4 tests for RV64
arch/riscv/net/bpf_jit.h | 30 ++++++
arch/riscv/net/bpf_jit_comp64.c | 102 ++++++++++++++----
.../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, 122 insertions(+), 28 deletions(-)
--
2.39.2
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