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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 54 | pj | 1 | /* |
| 2 | Linux Real Mode Interface - A library of DPMI-like functions for Linux. |
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| 3 | |||
| 4 | Copyright (C) 1998 by Josh Vanderhoof |
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| 5 | |||
| 6 | You are free to distribute and modify this file, as long as you |
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| 7 | do not remove this copyright notice and clearly label modified |
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| 8 | versions as being modified. |
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| 9 | |||
| 10 | This software has NO WARRANTY. Use it at your own risk. |
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| 11 | */ |
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| 12 | |||
| 13 | #ifndef LRMI_H |
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| 14 | #define LRMI_H |
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| 15 | |||
| 16 | struct LRMI_regs |
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| 17 | { |
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| 18 | unsigned int edi; |
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| 19 | unsigned int esi; |
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| 20 | unsigned int ebp; |
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| 21 | unsigned int reserved; |
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| 22 | unsigned int ebx; |
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| 23 | unsigned int edx; |
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| 24 | unsigned int ecx; |
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| 25 | unsigned int eax; |
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| 26 | unsigned short int flags; |
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| 27 | unsigned short int es; |
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| 28 | unsigned short int ds; |
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| 29 | unsigned short int fs; |
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| 30 | unsigned short int gs; |
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| 31 | unsigned short int ip; |
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| 32 | unsigned short int cs; |
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| 33 | unsigned short int sp; |
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| 34 | unsigned short int ss; |
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| 35 | }; |
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| 36 | |||
| 37 | |||
| 38 | #ifndef LRMI_PREFIX |
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| 39 | #define LRMI_PREFIX __svgalib_LRMI_ |
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| 40 | #endif |
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| 41 | |||
| 42 | #define LRMI_CONCAT2(a, b) a ## b |
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| 43 | #define LRMI_CONCAT(a, b) LRMI_CONCAT2(a, b) |
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| 44 | #define LRMI_MAKENAME(a) LRMI_CONCAT(LRMI_PREFIX, a) |
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| 45 | |||
| 46 | /* |
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| 132 | giacomo | 47 | Initialize |
| 48 | returns 1 if sucessful, 0 for failure |
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| 49 | */ |
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| 50 | #define LRMI_init LRMI_MAKENAME(init) |
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| 51 | int |
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| 52 | LRMI_init(void); |
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| 53 | |||
| 54 | /* |
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| 55 | Simulate a 16 bit far call |
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| 56 | returns 1 if sucessful, 0 for failure |
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| 57 | */ |
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| 58 | #define LRMI_call LRMI_MAKENAME(call) |
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| 59 | int |
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| 60 | LRMI_call(struct LRMI_regs *r); |
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| 61 | |||
| 62 | /* |
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| 54 | pj | 63 | Simulate a 16 bit interrupt |
| 64 | returns 1 if sucessful, 0 for failure |
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| 65 | */ |
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| 66 | #define LRMI_int LRMI_MAKENAME(int) |
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| 67 | int |
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| 68 | LRMI_int(int interrupt, struct LRMI_regs *r); |
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| 69 | |||
| 132 | giacomo | 70 | /* |
| 71 | Allocate real mode memory |
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| 72 | The returned block is paragraph (16 byte) aligned |
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| 73 | */ |
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| 74 | #define LRMI_alloc_real LRMI_MAKENAME(alloc_real) |
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| 75 | void * |
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| 76 | LRMI_alloc_real(int size); |
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| 80 | pj | 77 | |
| 132 | giacomo | 78 | /* |
| 79 | Free real mode memory |
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| 80 | */ |
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| 81 | #define LRMI_free_real LRMI_MAKENAME(free_real) |
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| 82 | void |
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| 83 | LRMI_free_real(void *m,int size); |
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| 84 | |||
| 54 | pj | 85 | #endif |