source:
vbox/trunk/src/VBox/Additions/x11/x11include/XFree86-4.3/Xserver/scoasm.h@
97956
| 最後變更 在這個檔案從97956是 69098,由 提交於 7 年 前 | |
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| 檔案大小: 1.6 KB | |
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| 1 | /* $XFree86: xc/programs/Xserver/hw/xfree86/common/scoasm.h,v 3.0 1996/10/03 08:34:06 dawes Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * scoasm.h - used to define inline versions of certain functions which |
| 5 | * do NOT appear in sys/inline.h. |
| 6 | */ |
| 7 | #ifdef SCO325 |
| 8 | #ifndef _SCOASM_HDR_INC |
| 9 | #define _SCOASM_HDR_INC |
| 10 | |
| 11 | asm void outl(port,val) |
| 12 | { |
| 13 | %reg port,val; |
| 14 | movl port, %edx |
| 15 | movl val, %eax |
| 16 | outl (%dx) |
| 17 | %reg port; mem val; |
| 18 | movl port, %edx |
| 19 | movl val, %eax |
| 20 | outl (%dx) |
| 21 | %mem port; reg val; |
| 22 | movw port, %dx |
| 23 | movl val, %eax |
| 24 | outl (%dx) |
| 25 | %mem port,val; |
| 26 | movw port, %dx |
| 27 | movl val, %eax |
| 28 | outl (%dx) |
| 29 | } |
| 30 | |
| 31 | asm void outw(port,val) |
| 32 | { |
| 33 | %reg port,val; |
| 34 | movl port, %edx |
| 35 | movl val, %eax |
| 36 | data16 |
| 37 | outl (%dx) |
| 38 | %reg port; mem val; |
| 39 | movl port, %edx |
| 40 | movw val, %ax |
| 41 | data16 |
| 42 | outl (%dx) |
| 43 | %mem port; reg val; |
| 44 | movw port, %dx |
| 45 | movl val, %eax |
| 46 | data16 |
| 47 | outl (%dx) |
| 48 | %mem port,val; |
| 49 | movw port, %dx |
| 50 | movw val, %ax |
| 51 | data16 |
| 52 | outl (%dx) |
| 53 | } |
| 54 | |
| 55 | asm void outb(port,val) |
| 56 | { |
| 57 | %reg port,val; |
| 58 | movl port, %edx |
| 59 | movl val, %eax |
| 60 | outb (%dx) |
| 61 | %reg port; mem val; |
| 62 | movl port, %edx |
| 63 | movb val, %al |
| 64 | outb (%dx) |
| 65 | %mem port; reg val; |
| 66 | movw port, %dx |
| 67 | movl val, %eax |
| 68 | outb (%dx) |
| 69 | %mem port,val; |
| 70 | movw port, %dx |
| 71 | movb val, %al |
| 72 | outb (%dx) |
| 73 | } |
| 74 | |
| 75 | asm int inl(port) |
| 76 | { |
| 77 | %reg port; |
| 78 | movl port, %edx |
| 79 | inl (%dx) |
| 80 | %mem port; |
| 81 | movw port, %dx |
| 82 | inl (%dx) |
| 83 | } |
| 84 | |
| 85 | asm int inw(port) |
| 86 | { |
| 87 | %reg port; |
| 88 | subl %eax, %eax |
| 89 | movl port, %edx |
| 90 | data16 |
| 91 | inl (%dx) |
| 92 | %mem port; |
| 93 | subl %eax, %eax |
| 94 | movw port, %dx |
| 95 | data16 |
| 96 | inl (%dx) |
| 97 | } |
| 98 | |
| 99 | asm int inb(port) |
| 100 | { |
| 101 | %reg port; |
| 102 | subl %eax, %eax |
| 103 | movl port, %edx |
| 104 | inb (%dx) |
| 105 | %mem port; |
| 106 | subl %eax, %eax |
| 107 | movw port, %dx |
| 108 | inb (%dx) |
| 109 | } |
| 110 | |
| 111 | #endif /* _SCOASM_HDR_INC */ |
| 112 | #endif /* SCO325 */ |
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