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19 lines
466 B
C
19 lines
466 B
C
// Copyright 2008-2009 Segher Boessenkool <segher@kernel.crashing.org>
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// This code is licensed to you under the terms of the GNU GPL, version 2;
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// see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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#include <gctypes.h>
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void sync_before_exec(const void *p, u32 len)
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{
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u32 a, b;
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a = (u32)p & ~0x1f;
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b = ((u32)p + len + 0x1f) & ~0x1f;
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for ( ; a < b; a += 32)
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asm("dcbst 0,%0 ; sync ; icbi 0,%0" : : "b"(a));
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asm("sync ; isync");
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}
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