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-rw-r--r--ANDROID_3.4.5/arch/arm/lib/csumpartialcopyuser.S83
1 files changed, 0 insertions, 83 deletions
diff --git a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopyuser.S b/ANDROID_3.4.5/arch/arm/lib/csumpartialcopyuser.S
deleted file mode 100644
index 7d08b43d..00000000
--- a/ANDROID_3.4.5/arch/arm/lib/csumpartialcopyuser.S
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * linux/arch/arm/lib/csumpartialcopyuser.S
- *
- * Copyright (C) 1995-1998 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 27/03/03 Ian Molton Clean up CONFIG_CPU
- *
- */
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-#include <asm/errno.h>
-#include <asm/asm-offsets.h>
-
- .text
-
- .macro save_regs
- stmfd sp!, {r1, r2, r4 - r8, lr}
- .endm
-
- .macro load_regs
- ldmfd sp!, {r1, r2, r4 - r8, pc}
- .endm
-
- .macro load1b, reg1
- ldrusr \reg1, r0, 1
- .endm
-
- .macro load2b, reg1, reg2
- ldrusr \reg1, r0, 1
- ldrusr \reg2, r0, 1
- .endm
-
- .macro load1l, reg1
- ldrusr \reg1, r0, 4
- .endm
-
- .macro load2l, reg1, reg2
- ldrusr \reg1, r0, 4
- ldrusr \reg2, r0, 4
- .endm
-
- .macro load4l, reg1, reg2, reg3, reg4
- ldrusr \reg1, r0, 4
- ldrusr \reg2, r0, 4
- ldrusr \reg3, r0, 4
- ldrusr \reg4, r0, 4
- .endm
-
-/*
- * unsigned int
- * csum_partial_copy_from_user(const char *src, char *dst, int len, int sum, int *err_ptr)
- * r0 = src, r1 = dst, r2 = len, r3 = sum, [sp] = *err_ptr
- * Returns : r0 = checksum, [[sp, #0], #0] = 0 or -EFAULT
- */
-
-#define FN_ENTRY ENTRY(csum_partial_copy_from_user)
-#define FN_EXIT ENDPROC(csum_partial_copy_from_user)
-
-#include "csumpartialcopygeneric.S"
-
-/*
- * FIXME: minor buglet here
- * We don't return the checksum for the data present in the buffer. To do
- * so properly, we would have to add in whatever registers were loaded before
- * the fault, which, with the current asm above is not predictable.
- */
- .pushsection .fixup,"ax"
- .align 4
-9001: mov r4, #-EFAULT
- ldr r5, [sp, #8*4] @ *err_ptr
- str r4, [r5]
- ldmia sp, {r1, r2} @ retrieve dst, len
- add r2, r2, r1
- mov r0, #0 @ zero the buffer
-9002: teq r2, r1
- strneb r0, [r1], #1
- bne 9002b
- load_regs
- .popsection