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Searched refs:imm (Results 1 – 25 of 120) sorted by relevance

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/linux/arch/powerpc/net/
H A Dbpf_jit_comp32.c311 s32 imm = insn[i].imm; in bpf_jit_build_body() local
320 insn[i - 1].dst_reg == insn[i].dst_reg && insn[i - 1].imm != 1) { in bpf_jit_build_body()
372 imm = -imm; in bpf_jit_build_body()
375 if (!imm) { in bpf_jit_build_body()
377 } else if (IMM_HA(imm) & 0xffff) { in bpf_jit_build_body()
378 EMIT(PPC_RAW_ADDIS(dst_reg, src2_reg, IMM_HA(imm))); in bpf_jit_build_body()
381 if (IMM_L(imm)) in bpf_jit_build_body()
382 EMIT(PPC_RAW_ADDI(dst_reg, src2_reg, IMM_L(imm))); in bpf_jit_build_body()
385 imm = -imm; in bpf_jit_build_body()
388 if (!imm) { in bpf_jit_build_body()
[all …]
H A Dbpf_jit_comp64.c435 s32 imm = insn->imm; in bpf_jit_emit_atomic_ops() local
450 if ((imm & BPF_FETCH) && IS_ENABLED(CONFIG_SMP)) in bpf_jit_emit_atomic_ops()
461 if (imm & BPF_FETCH) in bpf_jit_emit_atomic_ops()
464 switch (imm) { in bpf_jit_emit_atomic_ops()
512 if (imm & BPF_FETCH) { in bpf_jit_emit_atomic_ops()
521 if (size != BPF_DW && imm == BPF_CMPXCHG && in bpf_jit_emit_atomic_ops()
570 s32 imm = insn.imm; in emit_atomic_ld_st() local
572 switch (imm) { in emit_atomic_ld_st()
619 imm); in emit_atomic_ld_st()
647 s32 imm = insn[i].imm; in bpf_jit_build_body() local
[all …]
/linux/arch/arm/net/
H A Dbpf_jit_32.h167 #define _AL3_I(op, rd, rn, imm) ((op ## _I) | (rd) << 12 | (rn) << 16 | (imm)) argument
173 #define ARM_ADD_I(rd, rn, imm) _AL3_I(ARM_INST_ADD, rd, rn, imm) argument
174 #define ARM_ADDS_I(rd, rn, imm) _AL3_I(ARM_INST_ADDS, rd, rn, imm) argument
176 #define ARM_ADC_I(rd, rn, imm) _AL3_I(ARM_INST_ADC, rd, rn, imm) argument
180 #define ARM_AND_I(rd, rn, imm) _AL3_I(ARM_INST_AND, rd, rn, imm) argument
183 #define ARM_BIC_I(rd, rn, imm) _AL3_I(ARM_INST_BIC, rd, rn, imm) argument
190 #define ARM_CMP_I(rn, imm) _AL3_I(ARM_INST_CMP, 0, rn, imm) argument
193 #define ARM_EOR_I(rd, rn, imm) _AL3_I(ARM_INST_EOR, rd, rn, imm) argument
198 #define ARM_LDR_R_SI(rt, rn, rm, type, imm) \ argument
201 | (imm) << 7 | (type) << 5 | (rm))
[all …]
/linux/arch/loongarch/kernel/
H A Dinst.c19 unsigned int imm = insn.reg1i20_format.immediate; in simu_pc() local
28 regs->regs[rd] = pc + sign_extend64(imm << 2, 21); in simu_pc()
31 regs->regs[rd] = pc + sign_extend64(imm << 12, 31); in simu_pc()
34 regs->regs[rd] = pc + sign_extend64(imm << 18, 37); in simu_pc()
37 regs->regs[rd] = pc + sign_extend64(imm << 12, 31); in simu_pc()
50 unsigned int imm, imm_l, imm_h, rd, rj; in simu_branch() local
88 imm = insn.reg2i16_format.immediate; in simu_branch()
94 regs->csr_era = pc + sign_extend64(imm << 2, 17); in simu_branch()
100 regs->csr_era = pc + sign_extend64(imm << 2, 17); in simu_branch()
106 regs->csr_era = pc + sign_extend64(imm << 2, 17); in simu_branch()
[all …]
/linux/tools/include/linux/
H A Dfilter.h40 .imm = 0 })
48 .imm = 0 })
58 .imm = IMM })
66 .imm = IMM })
76 .imm = LEN })
86 .imm = 0 })
94 .imm = 0 })
104 .imm = IMM })
112 .imm = IMM })
122 .imm = 0 })
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/linux/arch/mips/net/
H A Dbpf_jit_comp.c192 void emit_mov_i(struct jit_context *ctx, u8 dst, s32 imm) in emit_mov_i() argument
194 if (imm >= -0x8000 && imm <= 0x7fff) { in emit_mov_i()
195 emit(ctx, addiu, dst, MIPS_R_ZERO, imm); in emit_mov_i()
197 emit(ctx, lui, dst, (s16)((u32)imm >> 16)); in emit_mov_i()
198 emit(ctx, ori, dst, dst, (u16)(imm & 0xffff)); in emit_mov_i()
211 bool valid_alu_i(u8 op, s32 imm) in valid_alu_i() argument
224 return imm >= -0x8000 && imm <= 0x7fff; in valid_alu_i()
229 return imm >= -0x7fff && imm <= 0x8000; in valid_alu_i()
234 return imm >= 0 && imm <= 0xffff; in valid_alu_i()
237 return imm == 0 || (imm > 0 && is_power_of_2(imm)); in valid_alu_i()
[all …]
H A Dbpf_jit_comp32.c174 static void emit_mov_se_i64(struct jit_context *ctx, const u8 dst[], s32 imm) in emit_mov_se_i64() argument
176 emit_mov_i(ctx, lo(dst), imm); in emit_mov_se_i64()
177 if (imm < 0) in emit_mov_se_i64()
202 const u8 dst[], s32 imm, u8 op) in emit_alu_i64() argument
210 if (imm > S32_MIN && imm < 0) in emit_alu_i64()
214 imm = -imm; in emit_alu_i64()
218 imm = -imm; in emit_alu_i64()
223 emit_mov_i(ctx, src, imm); in emit_alu_i64()
231 if (imm < 0) in emit_alu_i64()
239 if (imm < 0) in emit_alu_i64()
[all …]
H A Dbpf_jit_comp64.c158 static void emit_alu_i64(struct jit_context *ctx, u8 dst, s32 imm, u8 op) in emit_alu_i64() argument
163 emit(ctx, ori, dst, dst, (u16)imm); in emit_alu_i64()
167 emit(ctx, xori, dst, dst, (u16)imm); in emit_alu_i64()
175 emit(ctx, dsll_safe, dst, dst, imm); in emit_alu_i64()
179 emit(ctx, dsrl_safe, dst, dst, imm); in emit_alu_i64()
183 emit(ctx, dsra_safe, dst, dst, imm); in emit_alu_i64()
187 emit(ctx, daddiu, dst, dst, imm); in emit_alu_i64()
191 emit(ctx, daddiu, dst, dst, -imm); in emit_alu_i64()
195 emit_alu_i(ctx, dst, imm, op); in emit_alu_i64()
642 s32 imm = insn->imm; in build_insn() local
[all …]
/linux/samples/bpf/
H A Dbpf_insn.h16 .imm = 0 })
24 .imm = 0 })
34 .imm = IMM })
42 .imm = IMM })
52 .imm = 0 })
60 .imm = 0 })
70 .imm = IMM })
78 .imm = IMM })
90 .imm = (__u32) (IMM) }), \
96 .imm = ((__u64) (IMM)) >> 32 })
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/linux/kernel/bpf/
H A Ddisasm.c23 insn->imm >= 0 && insn->imm < __BPF_FUNC_MAX_ID && in __func_get_name()
24 func_id_str[insn->imm]) in __func_get_name()
25 return func_id_str[insn->imm]; in __func_get_name()
36 snprintf(buff, len, "%+d", insn->imm); in __func_get_name()
145 insn->imm, insn->dst_reg); in print_bpf_end_insn()
154 insn->imm, insn->dst_reg); in print_bpf_bswap_insn()
207 insn->src_reg, ((u32)insn->imm) >> 16, (u16)insn->imm); in print_bpf_insn()
226 insn->imm); in print_bpf_insn()
312 u64 imm = ((u64)(insn + 1)->imm << 32) | (u32)insn->imm; print_bpf_insn() local
[all...]
/linux/tools/testing/selftests/bpf/
H A Ddisasm.c23 insn->imm >= 0 && insn->imm < __BPF_FUNC_MAX_ID && in __func_get_name()
24 func_id_str[insn->imm]) in __func_get_name()
25 return func_id_str[insn->imm]; in __func_get_name()
36 snprintf(buff, len, "%+d", insn->imm); in __func_get_name()
145 insn->imm, insn->dst_reg); in print_bpf_end_insn()
154 insn->imm, insn->dst_reg); in print_bpf_bswap_insn()
207 insn->src_reg, ((u32)insn->imm) >> 16, (u16)insn->imm); in print_bpf_insn()
226 insn->imm); in print_bpf_insn()
312 u64 imm = ((u64)(insn + 1)->imm << 32) | (u32)insn->imm; print_bpf_insn() local
[all...]
/linux/arch/arm64/net/
H A Dbpf_jit.h73 #define A64_LS_IMM(Rt, Rn, imm, size, type) \ argument
74 aarch64_insn_gen_load_store_imm(Rt, Rn, imm, \
77 #define A64_STRBI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 8, STORE) argument
78 #define A64_LDRBI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 8, LOAD) argument
79 #define A64_LDRSBI(Xt, Xn, imm) A64_LS_IMM(Xt, Xn, imm, 8, SIGNED_LOAD) argument
80 #define A64_STRHI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 16, STORE) argument
81 #define A64_LDRHI(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 16, LOAD) argument
82 #define A64_LDRSHI(Xt, Xn, imm) A64_LS_IMM(Xt, Xn, imm, 16, SIGNED_LOAD) argument
83 #define A64_STR32I(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 32, STORE) argument
84 #define A64_LDR32I(Wt, Xn, imm) A64_LS_IMM(Wt, Xn, imm, 32, LOAD) argument
[all …]
/linux/arch/riscv/net/
H A Dbpf_jit_comp32.c111 static void emit_imm(const s8 rd, s32 imm, struct rv_jit_context *ctx) in emit_imm() argument
113 u32 upper = (imm + (1 << 11)) >> 12; in emit_imm()
114 u32 lower = imm & 0xfff; in emit_imm()
124 static void emit_imm32(const s8 *rd, s32 imm, struct rv_jit_context *ctx) in emit_imm32() argument
127 emit_imm(lo(rd), imm, ctx); in emit_imm32()
130 if (imm >= 0) in emit_imm32()
243 static void emit_alu_i64(const s8 *dst, s32 imm, in emit_alu_i64() argument
251 emit_imm32(rd, imm, ctx); in emit_alu_i64()
254 if (is_12b_int(imm)) { in emit_alu_i64()
255 emit(rv_andi(lo(rd), lo(rd), imm), ctx); in emit_alu_i64()
[all …]
/linux/arch/arc/net/
H A Dbpf_jit_arcv2.c659 static u8 arc_movi_r(u8 *buf, u8 reg, s16 imm) in arc_movi_r() argument
661 const u32 insn = OPC_MOVI | OP_B(reg) | MOVI_S12(imm); in arc_movi_r()
679 static u8 arc_mov_i(u8 *buf, u8 rd, s32 imm) in arc_mov_i() argument
683 if (IN_S12_RANGE(imm)) in arc_mov_i()
684 return arc_movi_r(buf, rd, imm); in arc_mov_i()
688 emit_4_bytes(buf + INSN_len_normal, imm); in arc_mov_i()
694 static u8 arc_mov_i_fixed(u8 *buf, u8 rd, s32 imm) in arc_mov_i_fixed() argument
700 emit_4_bytes(buf + INSN_len_normal, imm); in arc_mov_i_fixed()
716 static u8 arc_movu_cc_r(u8 *buf, u8 cc, u8 rd, u8 imm) in arc_movu_cc_r() argument
718 const u32 insn = OPC_MOVU_CC | OP_B(rd) | OP_C(imm) | COND(cc); in arc_movu_cc_r()
[all …]
/linux/arch/arm64/lib/
H A Dinsn.c114 u32 insn, u64 imm) in aarch64_insn_encode_immediate() argument
125 immlo = (imm & ADR_IMM_LOMASK) << ADR_IMM_LOSHIFT; in aarch64_insn_encode_immediate()
126 imm >>= ADR_IMM_HILOSPLIT; in aarch64_insn_encode_immediate()
127 immhi = (imm & ADR_IMM_HIMASK) << ADR_IMM_HISHIFT; in aarch64_insn_encode_immediate()
128 imm = immlo | immhi; in aarch64_insn_encode_immediate()
142 insn |= (imm & mask) << shift; in aarch64_insn_encode_immediate()
413 unsigned int imm, in aarch64_insn_gen_load_store_imm() argument
426 if (imm & ~(BIT(12 + shift) - BIT(shift))) { in aarch64_insn_gen_load_store_imm()
427 pr_err("%s: invalid imm: %d\n", __func__, imm); in aarch64_insn_gen_load_store_imm()
431 imm >>= shift; in aarch64_insn_gen_load_store_imm()
[all …]
/linux/arch/arm/probes/kprobes/
H A Dcheckers-common.c34 int imm = insn & 0xff; in checker_stack_use_imm_0xx() local
35 asi->stack_space = imm; in checker_stack_use_imm_0xx()
47 int imm = insn & 0xff; in checker_stack_use_t32strd() local
48 asi->stack_space = imm << 2; in checker_stack_use_t32strd()
56 int imm = ((insn & 0xf00) >> 4) + (insn & 0xf); in checker_stack_use_imm_x0x() local
57 asi->stack_space = imm; in checker_stack_use_imm_x0x()
66 int imm = insn & 0xfff; in checker_stack_use_imm_xxx() local
67 asi->stack_space = imm; in checker_stack_use_imm_xxx()
/linux/arch/riscv/kernel/
H A Dalternative.c81 s32 imm; in riscv_alternative_fix_auipc_jalr() local
84 imm = riscv_insn_extract_utype_itype_imm(auipc_insn, jalr_insn); in riscv_alternative_fix_auipc_jalr()
85 imm -= patch_offset; in riscv_alternative_fix_auipc_jalr()
88 riscv_insn_insert_utype_itype_imm(&call[0], &call[1], imm); in riscv_alternative_fix_auipc_jalr()
96 s32 imm; in riscv_alternative_fix_jal() local
99 imm = riscv_insn_extract_jtype_imm(jal_insn); in riscv_alternative_fix_jal()
100 imm -= patch_offset; in riscv_alternative_fix_jal()
103 riscv_insn_insert_jtype_imm(&jal_insn, imm); in riscv_alternative_fix_jal()
139 s32 imm = riscv_insn_extract_jtype_imm(insn); in riscv_alternative_fix_offsets() local
142 if ((alt_ptr + i * sizeof(u32) + imm) >= alt_ptr && in riscv_alternative_fix_offsets()
[all …]
/linux/arch/loongarch/net/
H A Dbpf_jit.h112 static inline void move_imm(struct jit_ctx *ctx, enum loongarch_gpr rd, long imm, bool is32) in move_imm() argument
117 if (imm == 0) { in move_imm()
123 if (is_signed_imm12(imm)) { in move_imm()
124 emit_insn(ctx, addiw, rd, LOONGARCH_GPR_ZERO, imm); in move_imm()
129 if (is_unsigned_imm12(imm)) { in move_imm()
130 emit_insn(ctx, ori, rd, LOONGARCH_GPR_ZERO, imm); in move_imm()
135 imm_63_52 = (imm >> 52) & 0xfff; in move_imm()
136 imm_51_0 = imm & 0xfffffffffffff; in move_imm()
143 imm_31_12 = (imm >> 12) & 0xfffff; in move_imm()
147 imm_11_0 = imm & 0xfff; in move_imm()
[all …]
/linux/arch/parisc/net/
H A Dbpf_jit_comp32.c141 static void emit_imm(const s8 rd, s32 imm, struct hppa_jit_context *ctx) in emit_imm() argument
143 u32 lower = im11(imm); in emit_imm()
146 if (OPTIMIZE_HPPA && relative_bits_ok(imm, 14)) { in emit_imm()
147 emit(hppa_ldi(imm, rd), ctx); in emit_imm()
150 emit(hppa_ldil(imm, rd), ctx); in emit_imm()
156 static void emit_imm32(const s8 *rd, s32 imm, struct hppa_jit_context *ctx) in emit_imm32() argument
160 emit_imm(lo(rd), imm, ctx); in emit_imm32()
164 if (imm >= 0) in emit_imm32()
421 static void emit_alu_i64(const s8 *dst, s32 imm, in emit_alu_i64() argument
435 emit_imm32(rd, imm, ctx); in emit_alu_i64()
[all …]
H A Dbpf_jit_comp64.c135 static void emit_imm32(u8 rd, s32 imm, struct hppa_jit_context *ctx) in emit_imm32() argument
137 u32 lower = im11(imm); in emit_imm32()
140 if (OPTIMIZE_HPPA && relative_bits_ok(imm, 14)) { in emit_imm32()
141 emit(hppa_ldi(imm, rd), ctx); in emit_imm32()
144 if (OPTIMIZE_HPPA && lower == imm) { in emit_imm32()
148 emit(hppa_ldil(imm, rd), ctx); in emit_imm32()
160 static void emit_imm(u8 rd, s64 imm, u8 tmpreg, struct hppa_jit_context *ctx) in emit_imm() argument
165 emit_imm32(rd, imm, ctx); in emit_imm()
168 if (OPTIMIZE_HPPA && is_32b_int(imm)) in emit_imm()
172 upper32 = imm >> 32; in emit_imm()
[all …]
/linux/arch/sparc/net/
H A Dbpf_jit_comp_64.c298 static void emit_alu_K(unsigned int opcode, unsigned int dst, unsigned int imm, in emit_alu_K() argument
301 bool small_immed = is_simm13(imm); in emit_alu_K()
306 emit(insn | IMMED | S13(imm), ctx); in emit_alu_K()
312 emit_set_const_sext(imm, tmp, ctx); in emit_alu_K()
317 static void emit_alu3_K(unsigned int opcode, unsigned int src, unsigned int imm, in emit_alu3_K() argument
320 bool small_immed = is_simm13(imm); in emit_alu3_K()
325 emit(insn | IMMED | S13(imm), ctx); in emit_alu3_K()
331 emit_set_const_sext(imm, tmp, ctx); in emit_alu3_K()
636 const u8 dst, s32 imm, struct jit_ctx *ctx) in emit_cbcondi() argument
640 emit(cb_opc | IMMED | WDISP10(off << 2) | RS1(dst) | S5(imm), ctx); in emit_cbcondi()
[all …]
/linux/arch/loongarch/include/asm/
H A Dinst.h515 u32 larch_insn_gen_break(int imm);
520 u32 larch_insn_gen_lu12iw(enum loongarch_gpr rd, int imm);
521 u32 larch_insn_gen_lu32id(enum loongarch_gpr rd, int imm);
522 u32 larch_insn_gen_lu52id(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
523 u32 larch_insn_gen_beq(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
524 u32 larch_insn_gen_bne(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
525 u32 larch_insn_gen_jirl(enum loongarch_gpr rd, enum loongarch_gpr rj, int imm);
539 int imm) \
542 insn->reg0i15_format.immediate = imm; \
548 #define __emit_break(imm) ((u32)((imm) | (break_op << 15))) in DEF_EMIT_REG0I15_FORMAT() argument
[all …]
/linux/drivers/net/ethernet/netronome/nfp/bpf/
H A Djit.c294 emit_immed(struct nfp_prog *nfp_prog, swreg dst, u16 imm, in emit_immed() argument
305 err = swreg_to_unrestricted(dst, dst, reg_imm(imm & 0xff), &reg); in emit_immed()
314 reg.breg, imm >> 8, width, invert, shift, in emit_immed()
590 static bool pack_immed(u32 imm, u16 *val, enum immed_shift *shift) in pack_immed() argument
592 if (!(imm & 0xffff0000)) { in pack_immed()
593 *val = imm; in pack_immed()
595 } else if (!(imm & 0xff0000ff)) { in pack_immed()
596 *val = imm >> 8; in pack_immed()
598 } else if (!(imm & 0x0000ffff)) { in pack_immed()
599 *val = imm >> 16; in pack_immed()
[all …]
/linux/arch/sh/kernel/
H A Ddisassemble.c300 int imm = 0; in print_sh_insn() local
317 imm = (nibs[2] << 4) | (nibs[3]); in print_sh_insn()
318 if (imm & 0x80) in print_sh_insn()
319 imm |= ~0xff; in print_sh_insn()
320 imm = ((char)imm) * 2 + 4 ; in print_sh_insn()
323 imm = ((nibs[1]) << 8) | (nibs[2] << 4) | (nibs[3]); in print_sh_insn()
324 if (imm & 0x800) in print_sh_insn()
325 imm |= ~0xfff; in print_sh_insn()
326 imm = imm * 2 + 4; in print_sh_insn()
329 imm = nibs[3]; in print_sh_insn()
[all …]
/linux/Documentation/bpf/standardization/
H A Dinstruction-set.rst166 | imm |
209 **imm**
212 Note that the contents of multi-byte fields ('offset' and 'imm') are
218 opcode offset imm assembly
240 | imm |
258 **imm**
308 K 0 use 32-bit 'imm' value as source operand
376 dst = (u32) dst ^ (u32) imm
380 dst = dst ^ imm
392 'imm' is interpreted as a 32-bit unsigned value. For ``ALU64``,
[all …]

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