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101 lines
1.7 KiB
101 lines
1.7 KiB
/*[
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in.c
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LOCAL CHAR SccsID[]="@(#)in.c 1.8 09/27/94";
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IN CPU Functions.
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-----------------
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]*/
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#include <insignia.h>
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#include <host_def.h>
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#include <xt.h>
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#include <c_main.h>
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#include <c_addr.h>
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#include <c_bsic.h>
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#include <c_prot.h>
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#include <c_seg.h>
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#include <c_stack.h>
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#include <c_xcptn.h>
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#include <c_reg.h>
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#include <in.h>
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#include <ios.h>
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/*
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=====================================================================
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EXTERNAL ROUTINES START HERE
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=====================================================================
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*/
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/*
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* Need to call the IO functions directly from the base arrays (just like
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* the assembler CPU does), rather than calling inb etc., as the latter
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* could cause a virtualisation that would end-up back here.
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*/
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GLOBAL VOID
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IN8
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IFN2(
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IU32 *, pop1, /* pntr to dst operand */
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IU32, op2 /* src(port nr.) operand */
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)
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{
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#ifndef PIG
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IU8 temp;
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(*Ios_inb_function[Ios_in_adapter_table[(IO_ADDR)op2 & (PC_IO_MEM_SIZE-1)]])
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((IO_ADDR)op2, &temp);
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*pop1 = temp;
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#endif /* !PIG */
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}
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GLOBAL VOID
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IN16
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IFN2(
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IU32 *, pop1, /* pntr to dst operand */
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IU32, op2 /* src(port nr.) operand */
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)
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{
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#ifndef PIG
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IU16 temp;
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(*Ios_inw_function[Ios_in_adapter_table[(IO_ADDR)op2 & (PC_IO_MEM_SIZE-1)]])
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((IO_ADDR)op2, &temp);
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*pop1 = temp;
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#endif /* !PIG */
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}
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GLOBAL VOID
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IN32 IFN2(
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IU32 *, pop1, /* pntr to dst operand */
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IU32, op2 /* src(port nr.) operand */
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)
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{
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#ifndef PIG
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IU32 temp;
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#ifdef SFELLOW
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(*Ios_ind_function[Ios_in_adapter_table[(IO_ADDR)op2 &
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(PC_IO_MEM_SIZE-1)]])
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((IO_ADDR)op2, &temp);
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*pop1 = temp;
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#else
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IN16(&temp, op2);
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*pop1 = temp;
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IN16(&temp, op2 + 2);
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*pop1 += temp << 16;
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#endif
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#endif /* !PIG */
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}
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