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Last change
on this file since 847 was 847, checked in by bird, 26 years ago |
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Initial checkin of Win32k. (not tested & pe2lx not up-to-date!)
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File size:
2.1 KB
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| 1 | ; $Id: devfirst.asm,v 1.1 1999-09-06 02:19:56 bird Exp $
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| 2 | ;
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| 3 | ; DevFirst - entrypoint and segment definitions
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| 4 | ;
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| 5 | ; Copyright (c) 1999 knut st. osmundsen
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| 6 | ;
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| 7 | ;
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| 8 | .386p
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| 9 |
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| 10 | ;
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| 11 | ; Include files
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| 12 | ;
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| 13 | include devsegdf.inc
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| 14 |
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| 15 | ;
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| 16 | ; Exported symbols
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| 17 | ;
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| 18 | public CODE16START
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| 19 | public DATA16START
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| 20 | public DATA16START
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| 21 | public DATA16_BSSSTART
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| 22 | public DATA16_CONSTSTART
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| 23 | public CODE16START
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| 24 | public CODE32START
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| 25 | public DATA32START
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| 26 | public BSS32START
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| 27 | public CONST32_ROSTART
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| 28 |
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| 29 | public _strategyAsm0
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| 30 | public _strategyAsm1
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| 31 | public _SSToDS_16a
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| 32 |
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| 33 |
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| 34 | ;
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| 35 | ; Externs
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| 36 | ;
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| 37 | extrn _strategy:near
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| 38 | extrn CODE16END:byte
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| 39 | extrn DATA16END:byte
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| 40 | extrn _TKSSBase16:dword
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| 41 |
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| 42 |
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| 43 | CODE16 segment
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| 44 | ASSUME CS:CODE16, DS:DATA16, ES:NOTHING, SS:NOTHING
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| 45 |
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| 46 | CODE16START label byte
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| 47 |
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| 48 | ;$win32ki entry point
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| 49 | _strategyAsm0:
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| 50 | push 0
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| 51 | jmp _strategyAsm
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| 52 |
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| 53 | ;$win32k entry point
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| 54 | _strategyAsm1:
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| 55 | push 1
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| 56 | jmp _strategyAsm
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| 57 |
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| 58 | _strategyAsm proc far
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| 59 | push es
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| 60 | push bx
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| 61 | push ds
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| 62 | pop es
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| 63 | call _strategy
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| 64 | pop bx
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| 65 | pop es
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| 66 | mov word ptr es:[bx+3], ax
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| 67 | add sp, 2
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| 68 | ; int 3
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| 69 | retf
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| 70 | _strategyAsm endp
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| 71 |
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| 72 |
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| 73 | ;extern LIN SSToDS_16a(void NEAR *pStackVar);
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| 74 | _SSToDS_16a proc near
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| 75 | assume CS:CODE16, DS:DATA16, ES:NOTHING
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| 76 | push es
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| 77 | jmp far ptr FLAT:_SSToDS_16a_GetFLAT_32
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| 78 | _SSToDS_16a_GetFLAT_16::
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| 79 | mov edx, ds:_TKSSBase16
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| 80 | movzx eax, word ptr ss:[esp + 4]
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| 81 | add eax, es:[edx]
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| 82 | mov edx, eax
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| 83 | shr edx, 16
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| 84 | pop es
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| 85 | ret
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| 86 | _SSToDS_16a endp
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| 87 |
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| 88 | CODE16 ends
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| 89 |
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| 90 | CODE32 segment
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| 91 | CODE32START label byte
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| 92 | ASSUME CS:CODE32
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| 93 | _SSToDS_16a_GetFLAT_32:
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| 94 | push cs
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| 95 | pop es
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| 96 | jmp far ptr CODE16:_SSToDS_16a_GetFLAT_16
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| 97 |
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| 98 | CODE32 ends
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| 99 |
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| 100 |
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| 101 | ;
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| 102 | ; all segments have a <segmentname>START label at the start of the segment.
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| 103 | ;
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| 104 | DATA16 segment
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| 105 | DATA16START label byte
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| 106 | DATA16 ends
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| 107 |
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| 108 | DATA16_BSS segment
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| 109 | DATA16_BSSSTART label byte
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| 110 | DATA16_BSS ends
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| 111 |
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| 112 | DATA16_CONST segment
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| 113 | DATA16_CONSTSTART label byte
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| 114 | DATA16_CONST ends
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| 115 |
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| 116 | DATA32 segment
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| 117 | DATA32START label byte
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| 118 | DATA32 ends
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| 119 |
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| 120 | BSS32 segment
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| 121 | BSS32START label byte
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| 122 | BSS32 ends
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| 123 |
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| 124 | CONST32_RO segment
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| 125 | CONST32_ROSTART label byte
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| 126 | CONST32_RO ends
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| 127 | END
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| 128 |
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