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Diffstat (limited to 'arch/powerpc/net/bpf_jit_comp64.c')
-rw-r--r--arch/powerpc/net/bpf_jit_comp64.c298
1 files changed, 150 insertions, 148 deletions
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index be3517ef0574..022103c6a201 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -95,12 +95,12 @@ static void bpf_jit_build_prologue(u32 *image, struct codegen_context *ctx)
* invoked through a tail call.
*/
if (ctx->seen & SEEN_TAILCALL) {
- PPC_LI(b2p[TMP_REG_1], 0);
+ EMIT(PPC_RAW_LI(b2p[TMP_REG_1], 0));
/* this goes in the redzone */
PPC_BPF_STL(b2p[TMP_REG_1], 1, -(BPF_PPC_STACK_SAVE + 8));
} else {
- PPC_NOP();
- PPC_NOP();
+ EMIT(PPC_RAW_NOP());
+ EMIT(PPC_RAW_NOP());
}
#define BPF_TAILCALL_PROLOGUE_SIZE 8
@@ -129,8 +129,8 @@ static void bpf_jit_build_prologue(u32 *image, struct codegen_context *ctx)
/* Setup frame pointer to point to the bpf stack area */
if (bpf_is_seen_register(ctx, BPF_REG_FP))
- PPC_ADDI(b2p[BPF_REG_FP], 1,
- STACK_FRAME_MIN_SIZE + ctx->stack_size);
+ EMIT(PPC_RAW_ADDI(b2p[BPF_REG_FP], 1,
+ STACK_FRAME_MIN_SIZE + ctx->stack_size));
}
static void bpf_jit_emit_common_epilogue(u32 *image, struct codegen_context *ctx)
@@ -144,10 +144,10 @@ static void bpf_jit_emit_common_epilogue(u32 *image, struct codegen_context *ctx
/* Tear down our stack frame */
if (bpf_has_stack_frame(ctx)) {
- PPC_ADDI(1, 1, BPF_PPC_STACKFRAME + ctx->stack_size);
+ EMIT(PPC_RAW_ADDI(1, 1, BPF_PPC_STACKFRAME + ctx->stack_size));
if (ctx->seen & SEEN_FUNC) {
PPC_BPF_LL(0, 1, PPC_LR_STKOFF);
- PPC_MTLR(0);
+ EMIT(PPC_RAW_MTLR(0));
}
}
}
@@ -157,9 +157,9 @@ static void bpf_jit_build_epilogue(u32 *image, struct codegen_context *ctx)
bpf_jit_emit_common_epilogue(image, ctx);
/* Move result to r3 */
- PPC_MR(3, b2p[BPF_REG_0]);
+ EMIT(PPC_RAW_MR(3, b2p[BPF_REG_0]));
- PPC_BLR();
+ EMIT(PPC_RAW_BLR());
}
static void bpf_jit_emit_func_call_hlp(u32 *image, struct codegen_context *ctx,
@@ -171,7 +171,7 @@ static void bpf_jit_emit_func_call_hlp(u32 *image, struct codegen_context *ctx,
/* Load actual entry point from function descriptor */
PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_2], 0);
/* ... and move it to LR */
- PPC_MTLR(b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_MTLR(b2p[TMP_REG_1]));
/*
* Load TOC from function descriptor at offset 8.
* We can clobber r2 since we get called through a
@@ -182,9 +182,9 @@ static void bpf_jit_emit_func_call_hlp(u32 *image, struct codegen_context *ctx,
#else
/* We can clobber r12 */
PPC_FUNC_ADDR(12, func);
- PPC_MTLR(12);
+ EMIT(PPC_RAW_MTLR(12));
#endif
- PPC_BLRL();
+ EMIT(PPC_RAW_BLRL());
}
static void bpf_jit_emit_func_call_rel(u32 *image, struct codegen_context *ctx,
@@ -206,7 +206,7 @@ static void bpf_jit_emit_func_call_rel(u32 *image, struct codegen_context *ctx,
* that PPC_LI64() can emit.
*/
for (i = ctx->idx - ctx_idx; i < 5; i++)
- PPC_NOP();
+ EMIT(PPC_RAW_NOP());
#ifdef PPC64_ELF_ABI_v1
/*
@@ -220,8 +220,8 @@ static void bpf_jit_emit_func_call_rel(u32 *image, struct codegen_context *ctx,
PPC_BPF_LL(12, 12, 0);
#endif
- PPC_MTLR(12);
- PPC_BLRL();
+ EMIT(PPC_RAW_MTLR(12));
+ EMIT(PPC_RAW_BLRL());
}
static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 out)
@@ -239,9 +239,9 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32
* if (index >= array->map.max_entries)
* goto out;
*/
- PPC_LWZ(b2p[TMP_REG_1], b2p_bpf_array, offsetof(struct bpf_array, map.max_entries));
- PPC_RLWINM(b2p_index, b2p_index, 0, 0, 31);
- PPC_CMPLW(b2p_index, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_LWZ(b2p[TMP_REG_1], b2p_bpf_array, offsetof(struct bpf_array, map.max_entries)));
+ EMIT(PPC_RAW_RLWINM(b2p_index, b2p_index, 0, 0, 31));
+ EMIT(PPC_RAW_CMPLW(b2p_index, b2p[TMP_REG_1]));
PPC_BCC(COND_GE, out);
/*
@@ -249,42 +249,42 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32
* goto out;
*/
PPC_BPF_LL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx));
- PPC_CMPLWI(b2p[TMP_REG_1], MAX_TAIL_CALL_CNT);
+ EMIT(PPC_RAW_CMPLWI(b2p[TMP_REG_1], MAX_TAIL_CALL_CNT));
PPC_BCC(COND_GT, out);
/*
* tail_call_cnt++;
*/
- PPC_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], 1);
+ EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], 1));
PPC_BPF_STL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx));
/* prog = array->ptrs[index]; */
- PPC_MULI(b2p[TMP_REG_1], b2p_index, 8);
- PPC_ADD(b2p[TMP_REG_1], b2p[TMP_REG_1], b2p_bpf_array);
+ EMIT(PPC_RAW_MULI(b2p[TMP_REG_1], b2p_index, 8));
+ EMIT(PPC_RAW_ADD(b2p[TMP_REG_1], b2p[TMP_REG_1], b2p_bpf_array));
PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_array, ptrs));
/*
* if (prog == NULL)
* goto out;
*/
- PPC_CMPLDI(b2p[TMP_REG_1], 0);
+ EMIT(PPC_RAW_CMPLDI(b2p[TMP_REG_1], 0));
PPC_BCC(COND_EQ, out);
/* goto *(prog->bpf_func + prologue_size); */
PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_prog, bpf_func));
#ifdef PPC64_ELF_ABI_v1
/* skip past the function descriptor */
- PPC_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1],
- FUNCTION_DESCR_SIZE + BPF_TAILCALL_PROLOGUE_SIZE);
+ EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1],
+ FUNCTION_DESCR_SIZE + BPF_TAILCALL_PROLOGUE_SIZE));
#else
- PPC_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], BPF_TAILCALL_PROLOGUE_SIZE);
+ EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], BPF_TAILCALL_PROLOGUE_SIZE));
#endif
- PPC_MTCTR(b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_MTCTR(b2p[TMP_REG_1]));
/* tear down stack, restore NVRs, ... */
bpf_jit_emit_common_epilogue(image, ctx);
- PPC_BCTR();
+ EMIT(PPC_RAW_BCTR());
/* out: */
}
@@ -340,11 +340,11 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image,
*/
case BPF_ALU | BPF_ADD | BPF_X: /* (u32) dst += (u32) src */
case BPF_ALU64 | BPF_ADD | BPF_X: /* dst += src */
- PPC_ADD(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_ADD(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU | BPF_SUB | BPF_X: /* (u32) dst -= (u32) src */
case BPF_ALU64 | BPF_SUB | BPF_X: /* dst -= src */
- PPC_SUB(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_SUB(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU | BPF_ADD | BPF_K: /* (u32) dst += (u32) imm */
case BPF_ALU | BPF_SUB | BPF_K: /* (u32) dst -= (u32) imm */
@@ -354,53 +354,53 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image,
imm = -imm;
if (imm) {
if (imm >= -32768 && imm < 32768)
- PPC_ADDI(dst_reg, dst_reg, IMM_L(imm));
+ EMIT(PPC_RAW_ADDI(dst_reg, dst_reg, IMM_L(imm)));
else {
PPC_LI32(b2p[TMP_REG_1], imm);
- PPC_ADD(dst_reg, dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_ADD(dst_reg, dst_reg, b2p[TMP_REG_1]));
}
}
goto bpf_alu32_trunc;
case BPF_ALU | BPF_MUL | BPF_X: /* (u32) dst *= (u32) src */
case BPF_ALU64 | BPF_MUL | BPF_X: /* dst *= src */
if (BPF_CLASS(code) == BPF_ALU)
- PPC_MULW(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_MULW(dst_reg, dst_reg, src_reg));
else
- PPC_MULD(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_MULD(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU | BPF_MUL | BPF_K: /* (u32) dst *= (u32) imm */
case BPF_ALU64 | BPF_MUL | BPF_K: /* dst *= imm */
if (imm >= -32768 && imm < 32768)
- PPC_MULI(dst_reg, dst_reg, IMM_L(imm));
+ EMIT(PPC_RAW_MULI(dst_reg, dst_reg, IMM_L(imm)));
else {
PPC_LI32(b2p[TMP_REG_1], imm);
if (BPF_CLASS(code) == BPF_ALU)
- PPC_MULW(dst_reg, dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_MULW(dst_reg, dst_reg,
+ b2p[TMP_REG_1]));
else
- PPC_MULD(dst_reg, dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_MULD(dst_reg, dst_reg,
+ b2p[TMP_REG_1]));
}
goto bpf_alu32_trunc;
case BPF_ALU | BPF_DIV | BPF_X: /* (u32) dst /= (u32) src */
case BPF_ALU | BPF_MOD | BPF_X: /* (u32) dst %= (u32) src */
if (BPF_OP(code) == BPF_MOD) {
- PPC_DIVWU(b2p[TMP_REG_1], dst_reg, src_reg);
- PPC_MULW(b2p[TMP_REG_1], src_reg,
- b2p[TMP_REG_1]);
- PPC_SUB(dst_reg, dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_DIVWU(b2p[TMP_REG_1], dst_reg, src_reg));
+ EMIT(PPC_RAW_MULW(b2p[TMP_REG_1], src_reg,
+ b2p[TMP_REG_1]));
+ EMIT(PPC_RAW_SUB(dst_reg, dst_reg, b2p[TMP_REG_1]));
} else
- PPC_DIVWU(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_DIVWU(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU64 | BPF_DIV | BPF_X: /* dst /= src */
case BPF_ALU64 | BPF_MOD | BPF_X: /* dst %= src */
if (BPF_OP(code) == BPF_MOD) {
- PPC_DIVDU(b2p[TMP_REG_1], dst_reg, src_reg);
- PPC_MULD(b2p[TMP_REG_1], src_reg,
- b2p[TMP_REG_1]);
- PPC_SUB(dst_reg, dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_DIVDU(b2p[TMP_REG_1], dst_reg, src_reg));
+ EMIT(PPC_RAW_MULD(b2p[TMP_REG_1], src_reg,
+ b2p[TMP_REG_1]));
+ EMIT(PPC_RAW_SUB(dst_reg, dst_reg, b2p[TMP_REG_1]));
} else
- PPC_DIVDU(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_DIVDU(dst_reg, dst_reg, src_reg));
break;
case BPF_ALU | BPF_MOD | BPF_K: /* (u32) dst %= (u32) imm */
case BPF_ALU | BPF_DIV | BPF_K: /* (u32) dst /= (u32) imm */
@@ -415,35 +415,37 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image,
switch (BPF_CLASS(code)) {
case BPF_ALU:
if (BPF_OP(code) == BPF_MOD) {
- PPC_DIVWU(b2p[TMP_REG_2], dst_reg,
- b2p[TMP_REG_1]);
- PPC_MULW(b2p[TMP_REG_1],
+ EMIT(PPC_RAW_DIVWU(b2p[TMP_REG_2],
+ dst_reg,
+ b2p[TMP_REG_1]));
+ EMIT(PPC_RAW_MULW(b2p[TMP_REG_1],
b2p[TMP_REG_1],
- b2p[TMP_REG_2]);
- PPC_SUB(dst_reg, dst_reg,
- b2p[TMP_REG_1]);
+ b2p[TMP_REG_2]));
+ EMIT(PPC_RAW_SUB(dst_reg, dst_reg,
+ b2p[TMP_REG_1]));
} else
- PPC_DIVWU(dst_reg, dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_DIVWU(dst_reg, dst_reg,
+ b2p[TMP_REG_1]));
break;
case BPF_ALU64:
if (BPF_OP(code) == BPF_MOD) {
- PPC_DIVDU(b2p[TMP_REG_2], dst_reg,
- b2p[TMP_REG_1]);
- PPC_MULD(b2p[TMP_REG_1],
+ EMIT(PPC_RAW_DIVDU(b2p[TMP_REG_2],
+ dst_reg,
+ b2p[TMP_REG_1]));
+ EMIT(PPC_RAW_MULD(b2p[TMP_REG_1],
b2p[TMP_REG_1],
- b2p[TMP_REG_2]);
- PPC_SUB(dst_reg, dst_reg,
- b2p[TMP_REG_1]);
+ b2p[TMP_REG_2]));
+ EMIT(PPC_RAW_SUB(dst_reg, dst_reg,
+ b2p[TMP_REG_1]));
} else
- PPC_DIVDU(dst_reg, dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_DIVDU(dst_reg, dst_reg,
+ b2p[TMP_REG_1]));
break;
}
goto bpf_alu32_trunc;
case BPF_ALU | BPF_NEG: /* (u32) dst = -dst */
case BPF_ALU64 | BPF_NEG: /* dst = -dst */
- PPC_NEG(dst_reg, dst_reg);
+ EMIT(PPC_RAW_NEG(dst_reg, dst_reg));
goto bpf_alu32_trunc;
/*
@@ -451,101 +453,101 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image,
*/
case BPF_ALU | BPF_AND | BPF_X: /* (u32) dst = dst & src */
case BPF_ALU64 | BPF_AND | BPF_X: /* dst = dst & src */
- PPC_AND(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_AND(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU | BPF_AND | BPF_K: /* (u32) dst = dst & imm */
case BPF_ALU64 | BPF_AND | BPF_K: /* dst = dst & imm */
if (!IMM_H(imm))
- PPC_ANDI(dst_reg, dst_reg, IMM_L(imm));
+ EMIT(PPC_RAW_ANDI(dst_reg, dst_reg, IMM_L(imm)));
else {
/* Sign-extended */
PPC_LI32(b2p[TMP_REG_1], imm);
- PPC_AND(dst_reg, dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_AND(dst_reg, dst_reg, b2p[TMP_REG_1]));
}
goto bpf_alu32_trunc;
case BPF_ALU | BPF_OR | BPF_X: /* dst = (u32) dst | (u32) src */
case BPF_ALU64 | BPF_OR | BPF_X: /* dst = dst | src */
- PPC_OR(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_OR(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU | BPF_OR | BPF_K:/* dst = (u32) dst | (u32) imm */
case BPF_ALU64 | BPF_OR | BPF_K:/* dst = dst | imm */
if (imm < 0 && BPF_CLASS(code) == BPF_ALU64) {
/* Sign-extended */
PPC_LI32(b2p[TMP_REG_1], imm);
- PPC_OR(dst_reg, dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_OR(dst_reg, dst_reg, b2p[TMP_REG_1]));
} else {
if (IMM_L(imm))
- PPC_ORI(dst_reg, dst_reg, IMM_L(imm));
+ EMIT(PPC_RAW_ORI(dst_reg, dst_reg, IMM_L(imm)));
if (IMM_H(imm))
- PPC_ORIS(dst_reg, dst_reg, IMM_H(imm));
+ EMIT(PPC_RAW_ORIS(dst_reg, dst_reg, IMM_H(imm)));
}
goto bpf_alu32_trunc;
case BPF_ALU | BPF_XOR | BPF_X: /* (u32) dst ^= src */
case BPF_ALU64 | BPF_XOR | BPF_X: /* dst ^= src */
- PPC_XOR(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_XOR(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU | BPF_XOR | BPF_K: /* (u32) dst ^= (u32) imm */
case BPF_ALU64 | BPF_XOR | BPF_K: /* dst ^= imm */
if (imm < 0 && BPF_CLASS(code) == BPF_ALU64) {
/* Sign-extended */
PPC_LI32(b2p[TMP_REG_1], imm);
- PPC_XOR(dst_reg, dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_XOR(dst_reg, dst_reg, b2p[TMP_REG_1]));
} else {
if (IMM_L(imm))
- PPC_XORI(dst_reg, dst_reg, IMM_L(imm));
+ EMIT(PPC_RAW_XORI(dst_reg, dst_reg, IMM_L(imm)));
if (IMM_H(imm))
- PPC_XORIS(dst_reg, dst_reg, IMM_H(imm));
+ EMIT(PPC_RAW_XORIS(dst_reg, dst_reg, IMM_H(imm)));
}
goto bpf_alu32_trunc;
case BPF_ALU | BPF_LSH | BPF_X: /* (u32) dst <<= (u32) src */
/* slw clears top 32 bits */
- PPC_SLW(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_SLW(dst_reg, dst_reg, src_reg));
/* skip zero extension move, but set address map. */
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
case BPF_ALU64 | BPF_LSH | BPF_X: /* dst <<= src; */
- PPC_SLD(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_SLD(dst_reg, dst_reg, src_reg));
break;
case BPF_ALU | BPF_LSH | BPF_K: /* (u32) dst <<== (u32) imm */
/* with imm 0, we still need to clear top 32 bits */
- PPC_SLWI(dst_reg, dst_reg, imm);
+ EMIT(PPC_RAW_SLWI(dst_reg, dst_reg, imm));
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
case BPF_ALU64 | BPF_LSH | BPF_K: /* dst <<== imm */
if (imm != 0)
- PPC_SLDI(dst_reg, dst_reg, imm);
+ EMIT(PPC_RAW_SLDI(dst_reg, dst_reg, imm));
break;
case BPF_ALU | BPF_RSH | BPF_X: /* (u32) dst >>= (u32) src */
- PPC_SRW(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_SRW(dst_reg, dst_reg, src_reg));
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
case BPF_ALU64 | BPF_RSH | BPF_X: /* dst >>= src */
- PPC_SRD(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_SRD(dst_reg, dst_reg, src_reg));
break;
case BPF_ALU | BPF_RSH | BPF_K: /* (u32) dst >>= (u32) imm */
- PPC_SRWI(dst_reg, dst_reg, imm);
+ EMIT(PPC_RAW_SRWI(dst_reg, dst_reg, imm));
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
case BPF_ALU64 | BPF_RSH | BPF_K: /* dst >>= imm */
if (imm != 0)
- PPC_SRDI(dst_reg, dst_reg, imm);
+ EMIT(PPC_RAW_SRDI(dst_reg, dst_reg, imm));
break;
case BPF_ALU | BPF_ARSH | BPF_X: /* (s32) dst >>= src */
- PPC_SRAW(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_SRAW(dst_reg, dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU64 | BPF_ARSH | BPF_X: /* (s64) dst >>= src */
- PPC_SRAD(dst_reg, dst_reg, src_reg);
+ EMIT(PPC_RAW_SRAD(dst_reg, dst_reg, src_reg));
break;
case BPF_ALU | BPF_ARSH | BPF_K: /* (s32) dst >>= imm */
- PPC_SRAWI(dst_reg, dst_reg, imm);
+ EMIT(PPC_RAW_SRAWI(dst_reg, dst_reg, imm));
goto bpf_alu32_trunc;
case BPF_ALU64 | BPF_ARSH | BPF_K: /* (s64) dst >>= imm */
if (imm != 0)
- PPC_SRADI(dst_reg, dst_reg, imm);
+ EMIT(PPC_RAW_SRADI(dst_reg, dst_reg, imm));
break;
/*
@@ -555,10 +557,10 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image,
case BPF_ALU64 | BPF_MOV | BPF_X: /* dst = src */
if (imm == 1) {
/* special mov32 for zext */
- PPC_RLWINM(dst_reg, dst_reg, 0, 0, 31);
+ EMIT(PPC_RAW_RLWINM(dst_reg, dst_reg, 0, 0, 31));
break;
}
- PPC_MR(dst_reg, src_reg);
+ EMIT(PPC_RAW_MR(dst_reg, src_reg));
goto bpf_alu32_trunc;
case BPF_ALU | BPF_MOV | BPF_K: /* (u32) dst = imm */
case BPF_ALU64 | BPF_MOV | BPF_K: /* dst = (s64) imm */
@@ -572,7 +574,7 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image,
bpf_alu32_trunc:
/* Truncate to 32-bits */
if (BPF_CLASS(code) == BPF_ALU && !fp->aux->verifier_zext)
- PPC_RLWINM(dst_reg, dst_reg, 0, 0, 31);
+ EMIT(PPC_RAW_RLWINM(dst_reg, dst_reg, 0, 0, 31));
break;
/*
@@ -590,11 +592,11 @@ bpf_alu32_trunc:
switch (imm) {
case 16:
/* Rotate 8 bits left & mask with 0x0000ff00 */
- PPC_RLWINM(b2p[TMP_REG_1], dst_reg, 8, 16, 23);
+ EMIT(PPC_RAW_RLWINM(b2p[TMP_REG_1], dst_reg, 8, 16, 23));
/* Rotate 8 bits right & insert LSB to reg */
- PPC_RLWIMI(b2p[TMP_REG_1], dst_reg, 24, 24, 31);
+ EMIT(PPC_RAW_RLWIMI(b2p[TMP_REG_1], dst_reg, 24, 24, 31));
/* Move result back to dst_reg */
- PPC_MR(dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_MR(dst_reg, b2p[TMP_REG_1]));
break;
case 32:
/*
@@ -602,12 +604,12 @@ bpf_alu32_trunc:
* 2 bytes are already in their final position
* -- byte 2 and 4 (of bytes 1, 2, 3 and 4)
*/
- PPC_RLWINM(b2p[TMP_REG_1], dst_reg, 8, 0, 31);
+ EMIT(PPC_RAW_RLWINM(b2p[TMP_REG_1], dst_reg, 8, 0, 31));
/* Rotate 24 bits and insert byte 1 */
- PPC_RLWIMI(b2p[TMP_REG_1], dst_reg, 24, 0, 7);
+ EMIT(PPC_RAW_RLWIMI(b2p[TMP_REG_1], dst_reg, 24, 0, 7));
/* Rotate 24 bits and insert byte 3 */
- PPC_RLWIMI(b2p[TMP_REG_1], dst_reg, 24, 16, 23);
- PPC_MR(dst_reg, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_RLWIMI(b2p[TMP_REG_1], dst_reg, 24, 16, 23));
+ EMIT(PPC_RAW_MR(dst_reg, b2p[TMP_REG_1]));
break;
case 64:
/*
@@ -619,8 +621,8 @@ bpf_alu32_trunc:
* same across all passes
*/
PPC_BPF_STL(dst_reg, 1, bpf_jit_stack_local(ctx));
- PPC_ADDI(b2p[TMP_REG_1], 1, bpf_jit_stack_local(ctx));
- PPC_LDBRX(dst_reg, 0, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], 1, bpf_jit_stack_local(ctx)));
+ EMIT(PPC_RAW_LDBRX(dst_reg, 0, b2p[TMP_REG_1]));
break;
}
break;
@@ -629,14 +631,14 @@ emit_clear:
switch (imm) {
case 16:
/* zero-extend 16 bits into 64 bits */
- PPC_RLDICL(dst_reg, dst_reg, 0, 48);
+ EMIT(PPC_RAW_RLDICL(dst_reg, dst_reg, 0, 48));
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
case 32:
if (!fp->aux->verifier_zext)
/* zero-extend 32 bits into 64 bits */
- PPC_RLDICL(dst_reg, dst_reg, 0, 32);
+ EMIT(PPC_RAW_RLDICL(dst_reg, dst_reg, 0, 32));
break;
case 64:
/* nop */
@@ -650,18 +652,18 @@ emit_clear:
case BPF_STX | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = src */
case BPF_ST | BPF_MEM | BPF_B: /* *(u8 *)(dst + off) = imm */
if (BPF_CLASS(code) == BPF_ST) {
- PPC_LI(b2p[TMP_REG_1], imm);
+ EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
src_reg = b2p[TMP_REG_1];
}
- PPC_STB(src_reg, dst_reg, off);
+ EMIT(PPC_RAW_STB(src_reg, dst_reg, off));
break;
case BPF_STX | BPF_MEM | BPF_H: /* (u16 *)(dst + off) = src */
case BPF_ST | BPF_MEM | BPF_H: /* (u16 *)(dst + off) = imm */
if (BPF_CLASS(code) == BPF_ST) {
- PPC_LI(b2p[TMP_REG_1], imm);
+ EMIT(PPC_RAW_LI(b2p[TMP_REG_1], imm));
src_reg = b2p[TMP_REG_1];
}
- PPC_STH(src_reg, dst_reg, off);
+ EMIT(PPC_RAW_STH(src_reg, dst_reg, off));
break;
case BPF_STX | BPF_MEM | BPF_W: /* *(u32 *)(dst + off) = src */
case BPF_ST | BPF_MEM | BPF_W: /* *(u32 *)(dst + off) = imm */
@@ -669,7 +671,7 @@ emit_clear:
PPC_LI32(b2p[TMP_REG_1], imm);
src_reg = b2p[TMP_REG_1];
}
- PPC_STW(src_reg, dst_reg, off);
+ EMIT(PPC_RAW_STW(src_reg, dst_reg, off));
break;
case BPF_STX | BPF_MEM | BPF_DW: /* (u64 *)(dst + off) = src */
case BPF_ST | BPF_MEM | BPF_DW: /* *(u64 *)(dst + off) = imm */
@@ -686,24 +688,24 @@ emit_clear:
/* *(u32 *)(dst + off) += src */
case BPF_STX | BPF_XADD | BPF_W:
/* Get EA into TMP_REG_1 */
- PPC_ADDI(b2p[TMP_REG_1], dst_reg, off);
+ EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], dst_reg, off));
tmp_idx = ctx->idx * 4;
/* load value from memory into TMP_REG_2 */
- PPC_BPF_LWARX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1], 0);
+ EMIT(PPC_RAW_LWARX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1], 0));
/* add value from src_reg into this */
- PPC_ADD(b2p[TMP_REG_2], b2p[TMP_REG_2], src_reg);
+ EMIT(PPC_RAW_ADD(b2p[TMP_REG_2], b2p[TMP_REG_2], src_reg));
/* store result back */
- PPC_BPF_STWCX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_STWCX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1]));
/* we're done if this succeeded */
PPC_BCC_SHORT(COND_NE, tmp_idx);
break;
/* *(u64 *)(dst + off) += src */
case BPF_STX | BPF_XADD | BPF_DW:
- PPC_ADDI(b2p[TMP_REG_1], dst_reg, off);
+ EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], dst_reg, off));
tmp_idx = ctx->idx * 4;
- PPC_BPF_LDARX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1], 0);
- PPC_ADD(b2p[TMP_REG_2], b2p[TMP_REG_2], src_reg);
- PPC_BPF_STDCX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_LDARX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1], 0));
+ EMIT(PPC_RAW_ADD(b2p[TMP_REG_2], b2p[TMP_REG_2], src_reg));
+ EMIT(PPC_RAW_STDCX(b2p[TMP_REG_2], 0, b2p[TMP_REG_1]));
PPC_BCC_SHORT(COND_NE, tmp_idx);
break;
@@ -712,19 +714,19 @@ emit_clear:
*/
/* dst = *(u8 *)(ul) (src + off) */
case BPF_LDX | BPF_MEM | BPF_B:
- PPC_LBZ(dst_reg, src_reg, off);
+ EMIT(PPC_RAW_LBZ(dst_reg, src_reg, off));
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
/* dst = *(u16 *)(ul) (src + off) */
case BPF_LDX | BPF_MEM | BPF_H:
- PPC_LHZ(dst_reg, src_reg, off);
+ EMIT(PPC_RAW_LHZ(dst_reg, src_reg, off));
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
/* dst = *(u32 *)(ul) (src + off) */
case BPF_LDX | BPF_MEM | BPF_W:
- PPC_LWZ(dst_reg, src_reg, off);
+ EMIT(PPC_RAW_LWZ(dst_reg, src_reg, off));
if (insn_is_zext(&insn[i + 1]))
addrs[++i] = ctx->idx * 4;
break;
@@ -775,7 +777,7 @@ emit_clear:
else
bpf_jit_emit_func_call_rel(image, ctx, func_addr);
/* move return value from r3 to BPF_REG_0 */
- PPC_MR(b2p[BPF_REG_0], 3);
+ EMIT(PPC_RAW_MR(b2p[BPF_REG_0], 3));
break;
/*
@@ -860,9 +862,9 @@ cond_branch:
case BPF_JMP32 | BPF_JNE | BPF_X:
/* unsigned comparison */
if (BPF_CLASS(code) == BPF_JMP32)
- PPC_CMPLW(dst_reg, src_reg);
+ EMIT(PPC_RAW_CMPLW(dst_reg, src_reg));
else
- PPC_CMPLD(dst_reg, src_reg);
+ EMIT(PPC_RAW_CMPLD(dst_reg, src_reg));
break;
case BPF_JMP | BPF_JSGT | BPF_X:
case BPF_JMP | BPF_JSLT | BPF_X:
@@ -874,21 +876,21 @@ cond_branch:
case BPF_JMP32 | BPF_JSLE | BPF_X:
/* signed comparison */
if (BPF_CLASS(code) == BPF_JMP32)
- PPC_CMPW(dst_reg, src_reg);
+ EMIT(PPC_RAW_CMPW(dst_reg, src_reg));
else
- PPC_CMPD(dst_reg, src_reg);
+ EMIT(PPC_RAW_CMPD(dst_reg, src_reg));
break;
case BPF_JMP | BPF_JSET | BPF_X:
case BPF_JMP32 | BPF_JSET | BPF_X:
if (BPF_CLASS(code) == BPF_JMP) {
- PPC_AND_DOT(b2p[TMP_REG_1], dst_reg,
- src_reg);
+ EMIT(PPC_RAW_AND_DOT(b2p[TMP_REG_1], dst_reg,
+ src_reg));
} else {
int tmp_reg = b2p[TMP_REG_1];
- PPC_AND(tmp_reg, dst_reg, src_reg);
- PPC_RLWINM_DOT(tmp_reg, tmp_reg, 0, 0,
- 31);
+ EMIT(PPC_RAW_AND(tmp_reg, dst_reg, src_reg));
+ EMIT(PPC_RAW_RLWINM_DOT(tmp_reg, tmp_reg, 0, 0,
+ 31));
}
break;
case BPF_JMP | BPF_JNE | BPF_K:
@@ -912,19 +914,19 @@ cond_branch:
*/
if (imm >= 0 && imm < 32768) {
if (is_jmp32)
- PPC_CMPLWI(dst_reg, imm);
+ EMIT(PPC_RAW_CMPLWI(dst_reg, imm));
else
- PPC_CMPLDI(dst_reg, imm);
+ EMIT(PPC_RAW_CMPLDI(dst_reg, imm));
} else {
/* sign-extending load */
PPC_LI32(b2p[TMP_REG_1], imm);
/* ... but unsigned comparison */
if (is_jmp32)
- PPC_CMPLW(dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_CMPLW(dst_reg,
+ b2p[TMP_REG_1]));
else
- PPC_CMPLD(dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_CMPLD(dst_reg,
+ b2p[TMP_REG_1]));
}
break;
}
@@ -945,17 +947,17 @@ cond_branch:
*/
if (imm >= -32768 && imm < 32768) {
if (is_jmp32)
- PPC_CMPWI(dst_reg, imm);
+ EMIT(PPC_RAW_CMPWI(dst_reg, imm));
else
- PPC_CMPDI(dst_reg, imm);
+ EMIT(PPC_RAW_CMPDI(dst_reg, imm));
} else {
PPC_LI32(b2p[TMP_REG_1], imm);
if (is_jmp32)
- PPC_CMPW(dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_CMPW(dst_reg,
+ b2p[TMP_REG_1]));
else
- PPC_CMPD(dst_reg,
- b2p[TMP_REG_1]);
+ EMIT(PPC_RAW_CMPD(dst_reg,
+ b2p[TMP_REG_1]));
}
break;
}
@@ -964,19 +966,19 @@ cond_branch:
/* andi does not sign-extend the immediate */
if (imm >= 0 && imm < 32768)
/* PPC_ANDI is _only/always_ dot-form */
- PPC_ANDI(b2p[TMP_REG_1], dst_reg, imm);
+ EMIT(PPC_RAW_ANDI(b2p[TMP_REG_1], dst_reg, imm));
else {
int tmp_reg = b2p[TMP_REG_1];
PPC_LI32(tmp_reg, imm);
if (BPF_CLASS(code) == BPF_JMP) {
- PPC_AND_DOT(tmp_reg, dst_reg,
- tmp_reg);
+ EMIT(PPC_RAW_AND_DOT(tmp_reg, dst_reg,
+ tmp_reg));
} else {
- PPC_AND(tmp_reg, dst_reg,
- tmp_reg);
- PPC_RLWINM_DOT(tmp_reg, tmp_reg,
- 0, 0, 31);
+ EMIT(PPC_RAW_AND(tmp_reg, dst_reg,
+ tmp_reg));
+ EMIT(PPC_RAW_RLWINM_DOT(tmp_reg, tmp_reg,
+ 0, 0, 31));
}
}
break;
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 10:55:48 +0000