diff options
Diffstat (limited to 'arch/sparc64/lib/NG2copy_to_user.S')
| -rw-r--r-- | arch/sparc64/lib/NG2copy_to_user.S | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/sparc64/lib/NG2copy_to_user.S b/arch/sparc64/lib/NG2copy_to_user.S deleted file mode 100644 index 4bd4093acbbd..000000000000 --- a/arch/sparc64/lib/NG2copy_to_user.S +++ /dev/null @@ -1,49 +0,0 @@ -/* NG2copy_to_user.S: Niagara-2 optimized copy to userspace. - * - * Copyright (C) 2007 David S. Miller (davem@davemloft.net) - */ - -#define EX_ST(x) \ -98: x; \ - .section .fixup; \ - .align 4; \ -99: wr %g0, ASI_AIUS, %asi;\ - retl; \ - mov 1, %o0; \ - .section __ex_table,"a";\ - .align 4; \ - .word 98b, 99b; \ - .text; \ - .align 4; - -#ifndef ASI_AIUS -#define ASI_AIUS 0x11 -#endif - -#ifndef ASI_BLK_AIUS_4V -#define ASI_BLK_AIUS_4V 0x17 -#endif - -#ifndef ASI_BLK_INIT_QUAD_LDD_AIUS -#define ASI_BLK_INIT_QUAD_LDD_AIUS 0x23 -#endif - -#define FUNC_NAME NG2copy_to_user -#define STORE(type,src,addr) type##a src, [addr] ASI_AIUS -#define STORE_ASI ASI_BLK_INIT_QUAD_LDD_AIUS -#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_AIUS_4V -#define EX_RETVAL(x) 0 - -#ifdef __KERNEL__ - /* Writing to %asi is _expensive_ so we hardcode it. - * Reading %asi to check for KERNEL_DS is comparatively - * cheap. - */ -#define PREAMBLE \ - rd %asi, %g1; \ - cmp %g1, ASI_AIUS; \ - bne,pn %icc, memcpy_user_stub; \ - nop -#endif - -#include "NG2memcpy.S" |