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-rw-r--r--arch/sparc/net/bpf_jit_asm_64.S162
1 files changed, 0 insertions, 162 deletions
diff --git a/arch/sparc/net/bpf_jit_asm_64.S b/arch/sparc/net/bpf_jit_asm_64.S
deleted file mode 100644
index 7177867052a16..0000000000000
--- a/arch/sparc/net/bpf_jit_asm_64.S
+++ /dev/null
@@ -1,162 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <asm/ptrace.h>
-
-#include "bpf_jit_64.h"
-
-#define SAVE_SZ 176
-#define SCRATCH_OFF STACK_BIAS + 128
-#define BE_PTR(label) be,pn %xcc, label
-#define SIGN_EXTEND(reg) sra reg, 0, reg
-
-#define SKF_MAX_NEG_OFF (-0x200000) /* SKF_LL_OFF from filter.h */
-
- .text
- .globl bpf_jit_load_word
-bpf_jit_load_word:
- cmp r_OFF, 0
- bl bpf_slow_path_word_neg
- nop
- .globl bpf_jit_load_word_positive_offset
-bpf_jit_load_word_positive_offset:
- sub r_HEADLEN, r_OFF, r_TMP
- cmp r_TMP, 3
- ble bpf_slow_path_word
- add r_SKB_DATA, r_OFF, r_TMP
- andcc r_TMP, 3, %g0
- bne load_word_unaligned
- nop
- retl
- ld [r_TMP], r_RESULT
-load_word_unaligned:
- ldub [r_TMP + 0x0], r_OFF
- ldub [r_TMP + 0x1], r_TMP2
- sll r_OFF, 8, r_OFF
- or r_OFF, r_TMP2, r_OFF
- ldub [r_TMP + 0x2], r_TMP2
- sll r_OFF, 8, r_OFF
- or r_OFF, r_TMP2, r_OFF
- ldub [r_TMP + 0x3], r_TMP2
- sll r_OFF, 8, r_OFF
- retl
- or r_OFF, r_TMP2, r_RESULT
-
- .globl bpf_jit_load_half
-bpf_jit_load_half:
- cmp r_OFF, 0
- bl bpf_slow_path_half_neg
- nop
- .globl bpf_jit_load_half_positive_offset
-bpf_jit_load_half_positive_offset:
- sub r_HEADLEN, r_OFF, r_TMP
- cmp r_TMP, 1
- ble bpf_slow_path_half
- add r_SKB_DATA, r_OFF, r_TMP
- andcc r_TMP, 1, %g0
- bne load_half_unaligned
- nop
- retl
- lduh [r_TMP], r_RESULT
-load_half_unaligned:
- ldub [r_TMP + 0x0], r_OFF
- ldub [r_TMP + 0x1], r_TMP2
- sll r_OFF, 8, r_OFF
- retl
- or r_OFF, r_TMP2, r_RESULT
-
- .globl bpf_jit_load_byte
-bpf_jit_load_byte:
- cmp r_OFF, 0
- bl bpf_slow_path_byte_neg
- nop
- .globl bpf_jit_load_byte_positive_offset
-bpf_jit_load_byte_positive_offset:
- cmp r_OFF, r_HEADLEN
- bge bpf_slow_path_byte
- nop
- retl
- ldub [r_SKB_DATA + r_OFF], r_RESULT
-
-#define bpf_slow_path_common(LEN) \
- save %sp, -SAVE_SZ, %sp; \
- mov %i0, %o0; \
- mov %i1, %o1; \
- add %fp, SCRATCH_OFF, %o2; \
- call skb_copy_bits; \
- mov (LEN), %o3; \
- cmp %o0, 0; \
- restore;
-
-bpf_slow_path_word:
- bpf_slow_path_common(4)
- bl bpf_error
- ld [%sp + SCRATCH_OFF], r_RESULT
- retl
- nop
-bpf_slow_path_half:
- bpf_slow_path_common(2)
- bl bpf_error
- lduh [%sp + SCRATCH_OFF], r_RESULT
- retl
- nop
-bpf_slow_path_byte:
- bpf_slow_path_common(1)
- bl bpf_error
- ldub [%sp + SCRATCH_OFF], r_RESULT
- retl
- nop
-
-#define bpf_negative_common(LEN) \
- save %sp, -SAVE_SZ, %sp; \
- mov %i0, %o0; \
- mov %i1, %o1; \
- SIGN_EXTEND(%o1); \
- call bpf_internal_load_pointer_neg_helper; \
- mov (LEN), %o2; \
- mov %o0, r_TMP; \
- cmp %o0, 0; \
- BE_PTR(bpf_error); \
- restore;
-
-bpf_slow_path_word_neg:
- sethi %hi(SKF_MAX_NEG_OFF), r_TMP
- cmp r_OFF, r_TMP
- bl bpf_error
- nop
- .globl bpf_jit_load_word_negative_offset
-bpf_jit_load_word_negative_offset:
- bpf_negative_common(4)
- andcc r_TMP, 3, %g0
- bne load_word_unaligned
- nop
- retl
- ld [r_TMP], r_RESULT
-
-bpf_slow_path_half_neg:
- sethi %hi(SKF_MAX_NEG_OFF), r_TMP
- cmp r_OFF, r_TMP
- bl bpf_error
- nop
- .globl bpf_jit_load_half_negative_offset
-bpf_jit_load_half_negative_offset:
- bpf_negative_common(2)
- andcc r_TMP, 1, %g0
- bne load_half_unaligned
- nop
- retl
- lduh [r_TMP], r_RESULT
-
-bpf_slow_path_byte_neg:
- sethi %hi(SKF_MAX_NEG_OFF), r_TMP
- cmp r_OFF, r_TMP
- bl bpf_error
- nop
- .globl bpf_jit_load_byte_negative_offset
-bpf_jit_load_byte_negative_offset:
- bpf_negative_common(1)
- retl
- ldub [r_TMP], r_RESULT
-
-bpf_error:
- /* Make the JIT program itself return zero. */
- ret
- restore %g0, %g0, %o0