diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/kernel/vdso32/cacheflush.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/powerpc/kernel/vdso32/cacheflush.S | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/kernel/vdso32/cacheflush.S b/ANDROID_3.4.5/arch/powerpc/kernel/vdso32/cacheflush.S deleted file mode 100644 index 1ba6feb7..00000000 --- a/ANDROID_3.4.5/arch/powerpc/kernel/vdso32/cacheflush.S +++ /dev/null @@ -1,85 +0,0 @@ -/* - * vDSO provided cache flush routines - * - * Copyright (C) 2004 Benjamin Herrenschmuidt (benh@kernel.crashing.org), - * IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <asm/processor.h> -#include <asm/ppc_asm.h> -#include <asm/vdso.h> -#include <asm/asm-offsets.h> - - .text - -/* - * Default "generic" version of __kernel_sync_dicache. - * - * void __kernel_sync_dicache(unsigned long start, unsigned long end) - * - * Flushes the data cache & invalidate the instruction cache for the - * provided range [start, end[ - */ -V_FUNCTION_BEGIN(__kernel_sync_dicache) - .cfi_startproc - mflr r12 - .cfi_register lr,r12 - mr r11,r3 - bl __get_datapage@local - mtlr r12 - mr r10,r3 - - lwz r7,CFG_DCACHE_BLOCKSZ(r10) - addi r5,r7,-1 - andc r6,r11,r5 /* round low to line bdy */ - subf r8,r6,r4 /* compute length */ - add r8,r8,r5 /* ensure we get enough */ - lwz r9,CFG_DCACHE_LOGBLOCKSZ(r10) - srw. r8,r8,r9 /* compute line count */ - crclr cr0*4+so - beqlr /* nothing to do? */ - mtctr r8 -1: dcbst 0,r6 - add r6,r6,r7 - bdnz 1b - sync - -/* Now invalidate the instruction cache */ - - lwz r7,CFG_ICACHE_BLOCKSZ(r10) - addi r5,r7,-1 - andc r6,r11,r5 /* round low to line bdy */ - subf r8,r6,r4 /* compute length */ - add r8,r8,r5 - lwz r9,CFG_ICACHE_LOGBLOCKSZ(r10) - srw. r8,r8,r9 /* compute line count */ - crclr cr0*4+so - beqlr /* nothing to do? */ - mtctr r8 -2: icbi 0,r6 - add r6,r6,r7 - bdnz 2b - isync - li r3,0 - blr - .cfi_endproc -V_FUNCTION_END(__kernel_sync_dicache) - - -/* - * POWER5 version of __kernel_sync_dicache - */ -V_FUNCTION_BEGIN(__kernel_sync_dicache_p5) - .cfi_startproc - crclr cr0*4+so - sync - isync - li r3,0 - blr - .cfi_endproc -V_FUNCTION_END(__kernel_sync_dicache_p5) - |