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-rw-r--r--arch/powerpc/include/asm/ppc-opcode.h1
-rw-r--r--arch/powerpc/include/uapi/asm/socket.h4
-rw-r--r--arch/powerpc/net/bpf_jit.h4
-rw-r--r--arch/powerpc/net/bpf_jit_comp64.c121
4 files changed, 114 insertions, 16 deletions
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 19a8834e0398..f9513ad38fa6 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -337,6 +337,7 @@
#define PPC_INST_DIVWU 0x7c000396
#define PPC_INST_DIVD 0x7c0003d2
#define PPC_INST_RLWINM 0x54000000
+#define PPC_INST_RLWINM_DOT 0x54000001
#define PPC_INST_RLWIMI 0x50000000
#define PPC_INST_RLDICL 0x78000000
#define PPC_INST_RLDICR 0x78000004
diff --git a/arch/powerpc/include/uapi/asm/socket.h b/arch/powerpc/include/uapi/asm/socket.h
index 94de465e0920..12aa0c43e775 100644
--- a/arch/powerpc/include/uapi/asm/socket.h
+++ b/arch/powerpc/include/uapi/asm/socket.h
@@ -11,8 +11,8 @@
#define SO_RCVLOWAT 16
#define SO_SNDLOWAT 17
-#define SO_RCVTIMEO 18
-#define SO_SNDTIMEO 19
+#define SO_RCVTIMEO_OLD 18
+#define SO_SNDTIMEO_OLD 19
#define SO_PASSCRED 20
#define SO_PEERCRED 21
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index c2d5192ed64f..549e9490ff2a 100644
--- a/arch/powerpc/net/bpf_jit.h
+++ b/arch/powerpc/net/bpf_jit.h
@@ -165,6 +165,10 @@
#define PPC_RLWINM(d, a, i, mb, me) EMIT(PPC_INST_RLWINM | ___PPC_RA(d) | \
___PPC_RS(a) | __PPC_SH(i) | \
__PPC_MB(mb) | __PPC_ME(me))
+#define PPC_RLWINM_DOT(d, a, i, mb, me) EMIT(PPC_INST_RLWINM_DOT | \
+ ___PPC_RA(d) | ___PPC_RS(a) | \
+ __PPC_SH(i) | __PPC_MB(mb) | \
+ __PPC_ME(me))
#define PPC_RLWIMI(d, a, i, mb, me) EMIT(PPC_INST_RLWIMI | ___PPC_RA(d) | \
___PPC_RS(a) | __PPC_SH(i) | \
__PPC_MB(mb) | __PPC_ME(me))
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 7ce57657d3b8..4194d3cfb60c 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -768,36 +768,58 @@ emit_clear:
case BPF_JMP | BPF_JGT | BPF_X:
case BPF_JMP | BPF_JSGT | BPF_K:
case BPF_JMP | BPF_JSGT | BPF_X:
+ case BPF_JMP32 | BPF_JGT | BPF_K:
+ case BPF_JMP32 | BPF_JGT | BPF_X:
+ case BPF_JMP32 | BPF_JSGT | BPF_K:
+ case BPF_JMP32 | BPF_JSGT | BPF_X:
true_cond = COND_GT;
goto cond_branch;
case BPF_JMP | BPF_JLT | BPF_K:
case BPF_JMP | BPF_JLT | BPF_X:
case BPF_JMP | BPF_JSLT | BPF_K:
case BPF_JMP | BPF_JSLT | BPF_X:
+ case BPF_JMP32 | BPF_JLT | BPF_K:
+ case BPF_JMP32 | BPF_JLT | BPF_X:
+ case BPF_JMP32 | BPF_JSLT | BPF_K:
+ case BPF_JMP32 | BPF_JSLT | BPF_X:
true_cond = COND_LT;
goto cond_branch;
case BPF_JMP | BPF_JGE | BPF_K:
case BPF_JMP | BPF_JGE | BPF_X:
case BPF_JMP | BPF_JSGE | BPF_K:
case BPF_JMP | BPF_JSGE | BPF_X:
+ case BPF_JMP32 | BPF_JGE | BPF_K:
+ case BPF_JMP32 | BPF_JGE | BPF_X:
+ case BPF_JMP32 | BPF_JSGE | BPF_K:
+ case BPF_JMP32 | BPF_JSGE | BPF_X:
true_cond = COND_GE;
goto cond_branch;
case BPF_JMP | BPF_JLE | BPF_K:
case BPF_JMP | BPF_JLE | BPF_X:
case BPF_JMP | BPF_JSLE | BPF_K:
case BPF_JMP | BPF_JSLE | BPF_X:
+ case BPF_JMP32 | BPF_JLE | BPF_K:
+ case BPF_JMP32 | BPF_JLE | BPF_X:
+ case BPF_JMP32 | BPF_JSLE | BPF_K:
+ case BPF_JMP32 | BPF_JSLE | BPF_X:
true_cond = COND_LE;
goto cond_branch;
case BPF_JMP | BPF_JEQ | BPF_K:
case BPF_JMP | BPF_JEQ | BPF_X:
+ case BPF_JMP32 | BPF_JEQ | BPF_K:
+ case BPF_JMP32 | BPF_JEQ | BPF_X:
true_cond = COND_EQ;
goto cond_branch;
case BPF_JMP | BPF_JNE | BPF_K:
case BPF_JMP | BPF_JNE | BPF_X:
+ case BPF_JMP32 | BPF_JNE | BPF_K:
+ case BPF_JMP32 | BPF_JNE | BPF_X:
true_cond = COND_NE;
goto cond_branch;
case BPF_JMP | BPF_JSET | BPF_K:
case BPF_JMP | BPF_JSET | BPF_X:
+ case BPF_JMP32 | BPF_JSET | BPF_K:
+ case BPF_JMP32 | BPF_JSET | BPF_X:
true_cond = COND_NE;
/* Fall through */
@@ -809,18 +831,44 @@ cond_branch:
case BPF_JMP | BPF_JLE | BPF_X:
case BPF_JMP | BPF_JEQ | BPF_X:
case BPF_JMP | BPF_JNE | BPF_X:
+ case BPF_JMP32 | BPF_JGT | BPF_X:
+ case BPF_JMP32 | BPF_JLT | BPF_X:
+ case BPF_JMP32 | BPF_JGE | BPF_X:
+ case BPF_JMP32 | BPF_JLE | BPF_X:
+ case BPF_JMP32 | BPF_JEQ | BPF_X:
+ case BPF_JMP32 | BPF_JNE | BPF_X:
/* unsigned comparison */
- PPC_CMPLD(dst_reg, src_reg);
+ if (BPF_CLASS(code) == BPF_JMP32)
+ PPC_CMPLW(dst_reg, src_reg);
+ else
+ PPC_CMPLD(dst_reg, src_reg);
break;
case BPF_JMP | BPF_JSGT | BPF_X:
case BPF_JMP | BPF_JSLT | BPF_X:
case BPF_JMP | BPF_JSGE | BPF_X:
case BPF_JMP | BPF_JSLE | BPF_X:
+ case BPF_JMP32 | BPF_JSGT | BPF_X:
+ case BPF_JMP32 | BPF_JSLT | BPF_X:
+ case BPF_JMP32 | BPF_JSGE | BPF_X:
+ case BPF_JMP32 | BPF_JSLE | BPF_X:
/* signed comparison */
- PPC_CMPD(dst_reg, src_reg);
+ if (BPF_CLASS(code) == BPF_JMP32)
+ PPC_CMPW(dst_reg, src_reg);
+ else
+ PPC_CMPD(dst_reg, src_reg);
break;
case BPF_JMP | BPF_JSET | BPF_X:
- PPC_AND_DOT(b2p[TMP_REG_1], dst_reg, src_reg);
+ case BPF_JMP32 | BPF_JSET | BPF_X:
+ if (BPF_CLASS(code) == BPF_JMP) {
+ PPC_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);
+ }
break;
case BPF_JMP | BPF_JNE | BPF_K:
case BPF_JMP | BPF_JEQ | BPF_K:
@@ -828,43 +876,87 @@ cond_branch:
case BPF_JMP | BPF_JLT | BPF_K:
case BPF_JMP | BPF_JGE | BPF_K:
case BPF_JMP | BPF_JLE | BPF_K:
+ case BPF_JMP32 | BPF_JNE | BPF_K:
+ case BPF_JMP32 | BPF_JEQ | BPF_K:
+ case BPF_JMP32 | BPF_JGT | BPF_K:
+ case BPF_JMP32 | BPF_JLT | BPF_K:
+ case BPF_JMP32 | BPF_JGE | BPF_K:
+ case BPF_JMP32 | BPF_JLE | BPF_K:
+ {
+ bool is_jmp32 = BPF_CLASS(code) == BPF_JMP32;
+
/*
* Need sign-extended load, so only positive
* values can be used as imm in cmpldi
*/
- if (imm >= 0 && imm < 32768)
- PPC_CMPLDI(dst_reg, imm);
- else {
+ if (imm >= 0 && imm < 32768) {
+ if (is_jmp32)
+ PPC_CMPLWI(dst_reg, imm);
+ else
+ PPC_CMPLDI(dst_reg, imm);
+ } else {
/* sign-extending load */
PPC_LI32(b2p[TMP_REG_1], imm);
/* ... but unsigned comparison */
- PPC_CMPLD(dst_reg, b2p[TMP_REG_1]);
+ if (is_jmp32)
+ PPC_CMPLW(dst_reg,
+ b2p[TMP_REG_1]);
+ else
+ PPC_CMPLD(dst_reg,
+ b2p[TMP_REG_1]);
}
break;
+ }
case BPF_JMP | BPF_JSGT | BPF_K:
case BPF_JMP | BPF_JSLT | BPF_K:
case BPF_JMP | BPF_JSGE | BPF_K:
case BPF_JMP | BPF_JSLE | BPF_K:
+ case BPF_JMP32 | BPF_JSGT | BPF_K:
+ case BPF_JMP32 | BPF_JSLT | BPF_K:
+ case BPF_JMP32 | BPF_JSGE | BPF_K:
+ case BPF_JMP32 | BPF_JSLE | BPF_K:
+ {
+ bool is_jmp32 = BPF_CLASS(code) == BPF_JMP32;
+
/*
* signed comparison, so any 16-bit value
* can be used in cmpdi
*/
- if (imm >= -32768 && imm < 32768)
- PPC_CMPDI(dst_reg, imm);
- else {
+ if (imm >= -32768 && imm < 32768) {
+ if (is_jmp32)
+ PPC_CMPWI(dst_reg, imm);
+ else
+ PPC_CMPDI(dst_reg, imm);
+ } else {
PPC_LI32(b2p[TMP_REG_1], imm);
- PPC_CMPD(dst_reg, b2p[TMP_REG_1]);
+ if (is_jmp32)
+ PPC_CMPW(dst_reg,
+ b2p[TMP_REG_1]);
+ else
+ PPC_CMPD(dst_reg,
+ b2p[TMP_REG_1]);
}
break;
+ }
case BPF_JMP | BPF_JSET | BPF_K:
+ case BPF_JMP32 | BPF_JSET | BPF_K:
/* 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);
else {
- PPC_LI32(b2p[TMP_REG_1], imm);
- PPC_AND_DOT(b2p[TMP_REG_1], dst_reg,
- b2p[TMP_REG_1]);
+ 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);
+ } else {
+ PPC_AND(tmp_reg, dst_reg,
+ tmp_reg);
+ PPC_RLWINM_DOT(tmp_reg, tmp_reg,
+ 0, 0, 31);
+ }
}
break;
}
@@ -1093,6 +1185,7 @@ skip_codegen_passes:
bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + (bpf_hdr->pages * PAGE_SIZE));
if (!fp->is_func || extra_pass) {
+ bpf_prog_fill_jited_linfo(fp, addrs);
out_addrs:
kfree(addrs);
kfree(jit_data);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 23:24:16 +0000