calmsacibis995
37 lines
841 B
C
37 lines
841 B
C
#ident "lib/libsc/lib/membig.c: $Revision: 1.8 $"
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#ifdef _K64PROM32
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#define __USE_SPB32 1
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#endif
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#include <sys/types.h>
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#include <sys/sbd.h>
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#include <arcs/hinv.h>
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#include <arcs/spb.h>
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#include <libsc.h>
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#include <libsk.h>
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/* CallArcsProm, if used only for GetMemoryDesc, returns value
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* in low-order 32-bits per ARCS spec
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*/
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MEMORYDESCRIPTOR *
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arcsGetMemDesc(MEMORYDESCRIPTOR *d)
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{
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#ifdef _K64PROM32
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/* the following really must be signed */
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__int32_t CallArcsProm(void *, __psint_t), i;
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#define PTR \
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((FirmwareVector32 *)(__psint_t)(SPB->TransferVector))->GetMemoryDesc
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/* this test is needed for 64-bit DPROMs on 32-bit stock PROM machines*/
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if(_isK64PROM32()) {
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i = CallArcsProm((void *)d, PTR);
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if(i) {
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return (MEMORYDESCRIPTOR *)(PHYS_TO_K1(i));
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}
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return 0;
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}
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else
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#endif
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return (__TV->GetMemoryDesc)(d);
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}
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