50 lines
1.1 KiB
NASM
50 lines
1.1 KiB
NASM
/*
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SST_CPUCache_sparc64.asm
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Author: Patrick Baggett <ptb1@762studios.com>
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Created: 12/23/2011
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Purpose:
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64-bit assembly for SPARCv9 CPU cache functions
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License:
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This program is free software. It comes without any warranty, to
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the extent permitted by applicable law. You can redistribute it
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and/or modify it under the terms of the Do What The Fuck You Want
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To Public License, Version 2, as published by Sam Hocevar. See
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http://sam.zoy.org/wtfpl/COPYING for more details.
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*/
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.global SST_OS_GetCacheLineSize
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.global SST_OS_FlushDCRange
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.global SST_OS_InvalidateICRange
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.global SST_OS_SyncCache
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/* uint32_t SST_OS_GetCacheLineSize() */
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SST_OS_GetCacheLineSize:
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retl
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or %g0, 64, %o0 /* kludge: it's 64. */
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/* SST_OS_InvalidateICRange(void* base, size_t range) */
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SST_OS_InvalidateICRange:
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SST_OS_FlushDCRange:
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add %o0, %o1, %o2 /* %o2 = end address */
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1:
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flush %o0
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cmp %o0, %o2
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bcs %xcc,1b /* branch on less than (unsigned) */
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add %o0, 8, %o0 /* FLUSH insn flushes a double word at a time */
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retl
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nop
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/* void SST_OS_SyncCache() */
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SST_OS_SyncCache:
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membar #Sync
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retl
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nop
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