diff options
| author |   Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> | 2022-02-14 16:11:51 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-03-08 00:04:59 +1100 |
| commit | 49c3af43e65fbcc13860e0cf5fb2507b13e9724c (patch) | |
| tree | 5c81a63da5d1fc50e2e26a9e65eff152d71f83ac /arch/powerpc/net/bpf_jit_comp.c | |
| parent | powerpc64/bpf: Store temp registers' bpf to ppc mapping (diff) | |
| download | linux-dev-49c3af43e65fbcc13860e0cf5fb2507b13e9724c.tar.xz linux-dev-49c3af43e65fbcc13860e0cf5fb2507b13e9724c.zip | |
powerpc/bpf: Simplify bpf_to_ppc() and adopt it for powerpc64
Convert bpf_to_ppc() to a macro to help simplify its usage since
codegen_context is available in all places it is used. Adopt it also for
powerpc64 for uniformity and get rid of the global b2p structure.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/09f0540ce3e0cd4120b5b33993b5e73b6ef9e979.1644834730.git.naveen.n.rao@linux.vnet.ibm.com
Diffstat (limited to 'arch/powerpc/net/bpf_jit_comp.c')
| -rw-r--r-- | arch/powerpc/net/bpf_jit_comp.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index 635f7448ff79..fc160d33c839 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -72,13 +72,13 @@ static int bpf_jit_fixup_addresses(struct bpf_prog *fp, u32 *image, tmp_idx = ctx->idx; ctx->idx = addrs[i] / 4; #ifdef CONFIG_PPC32 - PPC_LI32(ctx->b2p[insn[i].dst_reg] - 1, (u32)insn[i + 1].imm); - PPC_LI32(ctx->b2p[insn[i].dst_reg], (u32)insn[i].imm); + PPC_LI32(bpf_to_ppc(insn[i].dst_reg) - 1, (u32)insn[i + 1].imm); + PPC_LI32(bpf_to_ppc(insn[i].dst_reg), (u32)insn[i].imm); for (j = ctx->idx - addrs[i] / 4; j < 4; j++) EMIT(PPC_RAW_NOP()); #else func_addr = ((u64)(u32)insn[i].imm) | (((u64)(u32)insn[i + 1].imm) << 32); - PPC_LI64(b2p[insn[i].dst_reg], func_addr); + PPC_LI64(bpf_to_ppc(insn[i].dst_reg), func_addr); /* overwrite rest with nops */ for (j = ctx->idx - addrs[i] / 4; j < 5; j++) EMIT(PPC_RAW_NOP()); @@ -179,7 +179,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) } memset(&cgctx, 0, sizeof(struct codegen_context)); - memcpy(cgctx.b2p, b2p, sizeof(cgctx.b2p)); + bpf_jit_init_reg_mapping(&cgctx); /* Make sure that the stack is quadword aligned. */ cgctx.stack_size = round_up(fp->aux->stack_depth, 16); |