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41 lines
849 B
ArmAsm
41 lines
849 B
ArmAsm
#if defined(__ia64__)
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.global flush_cache
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.proc flush_cache
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flush_cache:
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.prologue
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alloc r2=ar.pfs,2,0,0,0
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add r8=31,in1 // round up to 32 byte-boundary
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;;
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shr.u r8=r8,5 // we flush 32 bytes per iteration
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;;
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add r8=-1,r8
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.save ar.lc, r3
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mov r3=ar.lc // save ar.lc
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;;
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.body
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mov ar.lc=r8
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;;
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.loop: fc in0 // issuable on M0 only
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add in0=32,in0
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br.cloop.sptk.few .loop
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;;
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sync.i
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;;
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srlz.i
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;;
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mov ar.lc=r3 // restore ar.lc
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br.ret.sptk.many rp
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.endp flush_cache
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#elif defined(__i386__) || defined (__x86_64__)
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.globl flush_cache
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flush_cache:
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ret
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#else
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# error Need flush_cache code for this architecture.
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#endif
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