1 files changed, 0 insertions, 108 deletions
diff --git a/arch/powerpc/net/bpf_jit64.h b/arch/powerpc/net/bpf_jit64.h
deleted file mode 100644
index cf3a7e337f02..000000000000
--- a/arch/powerpc/net/bpf_jit64.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * bpf_jit64.h: BPF JIT compiler for PPC64
- *
- * Copyright 2016 Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
- *		  IBM Corporation
- */
-#ifndef _BPF_JIT64_H
-#define _BPF_JIT64_H
-
-#include "bpf_jit.h"
-
-/*
- * Stack layout:
- * Ensure the top half (upto local_tmp_var) stays consistent
- * with our redzone usage.
- *
- *		[	prev sp		] <-------------
- *		[   nv gpr save area	] 6*8		|
- *		[    tail_call_cnt	] 8		|
- *		[    local_tmp_var	] 8		|
- * fp (r31) -->	[   ebpf stack space	] upto 512	|
- *		[     frame header	] 32/112	|
- * sp (r1) --->	[    stack pointer	] --------------
- */
-
-/* for gpr non volatile registers BPG_REG_6 to 10 */
-#define BPF_PPC_STACK_SAVE	(6*8)
-/* for bpf JIT code internal usage */
-#define BPF_PPC_STACK_LOCALS	16
-/* stack frame excluding BPF stack, ensure this is quadword aligned */
-#define BPF_PPC_STACKFRAME	(STACK_FRAME_MIN_SIZE + \
-				 BPF_PPC_STACK_LOCALS + BPF_PPC_STACK_SAVE)
-
-#ifndef __ASSEMBLY__
-
-/* BPF register usage */
-#define TMP_REG_1	(MAX_BPF_JIT_REG + 0)
-#define TMP_REG_2	(MAX_BPF_JIT_REG + 1)
-
-/* BPF to ppc register mappings */
-static const int b2p[] = {
-	/* function return value */
-	[BPF_REG_0] = 8,
-	/* function arguments */
-	[BPF_REG_1] = 3,
-	[BPF_REG_2] = 4,
-	[BPF_REG_3] = 5,
-	[BPF_REG_4] = 6,
-	[BPF_REG_5] = 7,
-	/* non volatile registers */
-	[BPF_REG_6] = 27,
-	[BPF_REG_7] = 28,
-	[BPF_REG_8] = 29,
-	[BPF_REG_9] = 30,
-	/* frame pointer aka BPF_REG_10 */
-	[BPF_REG_FP] = 31,
-	/* eBPF jit internal registers */
-	[BPF_REG_AX] = 2,
-	[TMP_REG_1] = 9,
-	[TMP_REG_2] = 10
-};
-
-/* PPC NVR range -- update this if we ever use NVRs below r27 */
-#define BPF_PPC_NVR_MIN		27
-
-/*
- * WARNING: These can use TMP_REG_2 if the offset is not at word boundary,
- * so ensure that it isn't in use already.
- */
-#define PPC_BPF_LL(r, base, i) do {					      \
-				if ((i) % 4) {				      \
-					PPC_LI(b2p[TMP_REG_2], (i));	      \
-					PPC_LDX(r, base, b2p[TMP_REG_2]);     \
-				} else					      \
-					PPC_LD(r, base, i);		      \
-				} while(0)
-#define PPC_BPF_STL(r, base, i) do {					      \
-				if ((i) % 4) {				      \
-					PPC_LI(b2p[TMP_REG_2], (i));	      \
-					PPC_STDX(r, base, b2p[TMP_REG_2]);    \
-				} else					      \
-					PPC_STD(r, base, i);		      \
-				} while(0)
-#define PPC_BPF_STLU(r, base, i) do { PPC_STDU(r, base, i); } while(0)
-
-#define SEEN_FUNC	0x1000 /* might call external helpers */
-#define SEEN_STACK	0x2000 /* uses BPF stack */
-#define SEEN_TAILCALL	0x4000 /* uses tail calls */
-
-struct codegen_context {
-	/*
-	 * This is used to track register usage as well
-	 * as calls to external helpers.
-	 * - register usage is tracked with corresponding
-	 *   bits (r3-r10 and r27-r31)
-	 * - rest of the bits can be used to track other
-	 *   things -- for now, we use bits 16 to 23
-	 *   encoded in SEEN_* macros above
-	 */
-	unsigned int seen;
-	unsigned int idx;
-	unsigned int stack_size;
-};
-
-#endif /* !__ASSEMBLY__ */
-
-#endif