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-rw-r--r--ANDROID_3.4.5/arch/sparc/lib/memset.S202
1 files changed, 0 insertions, 202 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/lib/memset.S b/ANDROID_3.4.5/arch/sparc/lib/memset.S
deleted file mode 100644
index 99c017be..00000000
--- a/ANDROID_3.4.5/arch/sparc/lib/memset.S
+++ /dev/null
@@ -1,202 +0,0 @@
-/* linux/arch/sparc/lib/memset.S: Sparc optimized memset, bzero and clear_user code
- * Copyright (C) 1991,1996 Free Software Foundation
- * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- *
- * Returns 0, if ok, and number of bytes not yet set if exception
- * occurs and we were called as clear_user.
- */
-
-#include <asm/ptrace.h>
-
-/* Work around cpp -rob */
-#define ALLOC #alloc
-#define EXECINSTR #execinstr
-#define EX(x,y,a,b) \
-98: x,y; \
- .section .fixup,ALLOC,EXECINSTR; \
- .align 4; \
-99: ba 30f; \
- a, b, %o0; \
- .section __ex_table,ALLOC; \
- .align 4; \
- .word 98b, 99b; \
- .text; \
- .align 4
-
-#define EXT(start,end,handler) \
- .section __ex_table,ALLOC; \
- .align 4; \
- .word start, 0, end, handler; \
- .text; \
- .align 4
-
-/* Please don't change these macros, unless you change the logic
- * in the .fixup section below as well.
- * Store 64 bytes at (BASE + OFFSET) using value SOURCE. */
-#define ZERO_BIG_BLOCK(base, offset, source) \
- std source, [base + offset + 0x00]; \
- std source, [base + offset + 0x08]; \
- std source, [base + offset + 0x10]; \
- std source, [base + offset + 0x18]; \
- std source, [base + offset + 0x20]; \
- std source, [base + offset + 0x28]; \
- std source, [base + offset + 0x30]; \
- std source, [base + offset + 0x38];
-
-#define ZERO_LAST_BLOCKS(base, offset, source) \
- std source, [base - offset - 0x38]; \
- std source, [base - offset - 0x30]; \
- std source, [base - offset - 0x28]; \
- std source, [base - offset - 0x20]; \
- std source, [base - offset - 0x18]; \
- std source, [base - offset - 0x10]; \
- std source, [base - offset - 0x08]; \
- std source, [base - offset - 0x00];
-
- .text
- .align 4
-
- .globl __bzero_begin
-__bzero_begin:
-
- .globl __bzero
- .globl memset
- .globl __memset_start, __memset_end
-__memset_start:
-memset:
- and %o1, 0xff, %g3
- sll %g3, 8, %g2
- or %g3, %g2, %g3
- sll %g3, 16, %g2
- or %g3, %g2, %g3
- b 1f
- mov %o2, %o1
-3:
- cmp %o2, 3
- be 2f
- EX(stb %g3, [%o0], sub %o1, 0)
-
- cmp %o2, 2
- be 2f
- EX(stb %g3, [%o0 + 0x01], sub %o1, 1)
-
- EX(stb %g3, [%o0 + 0x02], sub %o1, 2)
-2:
- sub %o2, 4, %o2
- add %o1, %o2, %o1
- b 4f
- sub %o0, %o2, %o0
-
-__bzero:
- mov %g0, %g3
-1:
- cmp %o1, 7
- bleu 7f
- andcc %o0, 3, %o2
-
- bne 3b
-4:
- andcc %o0, 4, %g0
-
- be 2f
- mov %g3, %g2
-
- EX(st %g3, [%o0], sub %o1, 0)
- sub %o1, 4, %o1
- add %o0, 4, %o0
-2:
- andcc %o1, 0xffffff80, %o3 ! Now everything is 8 aligned and o1 is len to run
- be 9f
- andcc %o1, 0x78, %o2
-10:
- ZERO_BIG_BLOCK(%o0, 0x00, %g2)
- subcc %o3, 128, %o3
- ZERO_BIG_BLOCK(%o0, 0x40, %g2)
-11:
- EXT(10b, 11b, 20f)
- bne 10b
- add %o0, 128, %o0
-
- orcc %o2, %g0, %g0
-9:
- be 13f
- andcc %o1, 7, %o1
-
- srl %o2, 1, %o3
- set 13f, %o4
- sub %o4, %o3, %o4
- jmp %o4
- add %o0, %o2, %o0
-
-12:
- ZERO_LAST_BLOCKS(%o0, 0x48, %g2)
- ZERO_LAST_BLOCKS(%o0, 0x08, %g2)
-13:
- be 8f
- andcc %o1, 4, %g0
-
- be 1f
- andcc %o1, 2, %g0
-
- EX(st %g3, [%o0], and %o1, 7)
- add %o0, 4, %o0
-1:
- be 1f
- andcc %o1, 1, %g0
-
- EX(sth %g3, [%o0], and %o1, 3)
- add %o0, 2, %o0
-1:
- bne,a 8f
- EX(stb %g3, [%o0], and %o1, 1)
-8:
- retl
- clr %o0
-7:
- be 13b
- orcc %o1, 0, %g0
-
- be 0f
-8:
- add %o0, 1, %o0
- subcc %o1, 1, %o1
- bne 8b
- EX(stb %g3, [%o0 - 1], add %o1, 1)
-0:
- retl
- clr %o0
-__memset_end:
-
- .section .fixup,#alloc,#execinstr
- .align 4
-20:
- cmp %g2, 8
- bleu 1f
- and %o1, 0x7f, %o1
- sub %g2, 9, %g2
- add %o3, 64, %o3
-1:
- sll %g2, 3, %g2
- add %o3, %o1, %o0
- b 30f
- sub %o0, %g2, %o0
-21:
- mov 8, %o0
- and %o1, 7, %o1
- sub %o0, %g2, %o0
- sll %o0, 3, %o0
- b 30f
- add %o0, %o1, %o0
-30:
-/* %o4 is faulting address, %o5 is %pc where fault occurred */
- save %sp, -104, %sp
- mov %i5, %o0
- mov %i7, %o1
- call lookup_fault
- mov %i4, %o2
- ret
- restore
-
- .globl __bzero_end
-__bzero_end: