From: Pu Lehui Add rv_ext_enabled macro to check whether the runtime detection extension is enabled. Signed-off-by: Pu Lehui --- arch/riscv/net/bpf_jit.h | 28 +++++++++++----------------- 1 file changed, 11 insertions(+), 17 deletions(-) diff --git a/arch/riscv/net/bpf_jit.h b/arch/riscv/net/bpf_jit.h index e7b032dfd17f..0964df48c25e 100644 --- a/arch/riscv/net/bpf_jit.h +++ b/arch/riscv/net/bpf_jit.h @@ -13,21 +13,15 @@ #include #include +/* verify runtime detection extension status */ +#define rv_ext_enabled(ext) \ + (IS_ENABLED(CONFIG_RISCV_ISA_##ext) && riscv_has_extension_likely(RISCV_ISA_EXT_##ext)) + static inline bool rvc_enabled(void) { return IS_ENABLED(CONFIG_RISCV_ISA_C); } -static inline bool rvzba_enabled(void) -{ - return IS_ENABLED(CONFIG_RISCV_ISA_ZBA) && riscv_has_extension_likely(RISCV_ISA_EXT_ZBA); -} - -static inline bool rvzbb_enabled(void) -{ - return IS_ENABLED(CONFIG_RISCV_ISA_ZBB) && riscv_has_extension_likely(RISCV_ISA_EXT_ZBB); -} - enum { RV_REG_ZERO = 0, /* The constant value 0 */ RV_REG_RA = 1, /* Return address */ @@ -1123,7 +1117,7 @@ static inline void emit_sw(u8 rs1, s32 off, u8 rs2, struct rv_jit_context *ctx) static inline void emit_sh2add(u8 rd, u8 rs1, u8 rs2, struct rv_jit_context *ctx) { - if (rvzba_enabled()) { + if (rv_ext_enabled(ZBA)) { emit(rvzba_sh2add(rd, rs1, rs2), ctx); return; } @@ -1134,7 +1128,7 @@ static inline void emit_sh2add(u8 rd, u8 rs1, u8 rs2, struct rv_jit_context *ctx static inline void emit_sh3add(u8 rd, u8 rs1, u8 rs2, struct rv_jit_context *ctx) { - if (rvzba_enabled()) { + if (rv_ext_enabled(ZBA)) { emit(rvzba_sh3add(rd, rs1, rs2), ctx); return; } @@ -1184,7 +1178,7 @@ static inline void emit_subw(u8 rd, u8 rs1, u8 rs2, struct rv_jit_context *ctx) static inline void emit_sextb(u8 rd, u8 rs, struct rv_jit_context *ctx) { - if (rvzbb_enabled()) { + if (rv_ext_enabled(ZBB)) { emit(rvzbb_sextb(rd, rs), ctx); return; } @@ -1195,7 +1189,7 @@ static inline void emit_sextb(u8 rd, u8 rs, struct rv_jit_context *ctx) static inline void emit_sexth(u8 rd, u8 rs, struct rv_jit_context *ctx) { - if (rvzbb_enabled()) { + if (rv_ext_enabled(ZBB)) { emit(rvzbb_sexth(rd, rs), ctx); return; } @@ -1211,7 +1205,7 @@ static inline void emit_sextw(u8 rd, u8 rs, struct rv_jit_context *ctx) static inline void emit_zexth(u8 rd, u8 rs, struct rv_jit_context *ctx) { - if (rvzbb_enabled()) { + if (rv_ext_enabled(ZBB)) { emit(rvzbb_zexth(rd, rs), ctx); return; } @@ -1222,7 +1216,7 @@ static inline void emit_zexth(u8 rd, u8 rs, struct rv_jit_context *ctx) static inline void emit_zextw(u8 rd, u8 rs, struct rv_jit_context *ctx) { - if (rvzba_enabled()) { + if (rv_ext_enabled(ZBA)) { emit(rvzba_zextw(rd, rs), ctx); return; } @@ -1233,7 +1227,7 @@ static inline void emit_zextw(u8 rd, u8 rs, struct rv_jit_context *ctx) static inline void emit_bswap(u8 rd, s32 imm, struct rv_jit_context *ctx) { - if (rvzbb_enabled()) { + if (rv_ext_enabled(ZBB)) { int bits = 64 - imm; emit(rvzbb_rev8(rd, rd), ctx); -- 2.34.1