| 1 | /** @file
|
|---|
| 2 | * Inline routines for Watcom C.
|
|---|
| 3 | */
|
|---|
| 4 |
|
|---|
| 5 | /*
|
|---|
| 6 | * Copyright (C) 2010-2011 Oracle Corporation
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 10 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | * General Public License (GPL) as published by the Free Software
|
|---|
| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 | */
|
|---|
| 16 |
|
|---|
| 17 |
|
|---|
| 18 | extern unsigned inp(unsigned port);
|
|---|
| 19 | extern unsigned outp(unsigned port, unsigned value);
|
|---|
| 20 | extern unsigned inpw(unsigned port);
|
|---|
| 21 | extern unsigned outpw(unsigned port, unsigned value);
|
|---|
| 22 | #pragma intrinsic(inp,outp,inpw,outpw)
|
|---|
| 23 | #define inb(p) inp(p)
|
|---|
| 24 | #define outb(p, v) outp(p, v)
|
|---|
| 25 | #define inw(p) inpw(p)
|
|---|
| 26 | #define outw(p, v) outpw(p, v)
|
|---|
| 27 |
|
|---|
| 28 | extern uint8_t read_byte(uint16_t seg, uint16_t offset);
|
|---|
| 29 | extern uint16_t read_word(uint16_t seg, uint16_t offset);
|
|---|
| 30 | extern uint32_t read_dword(uint16_t seg, uint16_t offset);
|
|---|
| 31 | extern void write_byte(uint16_t seg, uint16_t offset, uint8_t data);
|
|---|
| 32 | extern void write_word(uint16_t seg, uint16_t offset, uint16_t data);
|
|---|
| 33 | extern void write_dword(uint16_t seg, uint16_t offset, uint32_t data);
|
|---|
| 34 |
|
|---|
| 35 | void int_enable(void);
|
|---|
| 36 | #pragma aux int_enable = "sti" modify exact [] nomemory;
|
|---|
| 37 |
|
|---|
| 38 | void int_disable(void);
|
|---|
| 39 | #pragma aux int_disable = "cli" modify exact [] nomemory;
|
|---|
| 40 |
|
|---|
| 41 | uint16_t int_query(void);
|
|---|
| 42 | #pragma aux int_query = \
|
|---|
| 43 | "pushf" \
|
|---|
| 44 | "pop ax" \
|
|---|
| 45 | value [ax] modify exact [ax] nomemory;
|
|---|
| 46 |
|
|---|
| 47 | void int_restore(uint16_t old_flags);
|
|---|
| 48 | #pragma aux int_restore = \
|
|---|
| 49 | "push ax" \
|
|---|
| 50 | "popf" \
|
|---|
| 51 | parm [ax] modify exact [] nomemory;
|
|---|
| 52 |
|
|---|
| 53 | void halt(void);
|
|---|
| 54 | #pragma aux halt = "hlt" modify exact [] nomemory;
|
|---|
| 55 |
|
|---|
| 56 | void halt_forever(void);
|
|---|
| 57 | #pragma aux halt_forever = \
|
|---|
| 58 | "forever:" \
|
|---|
| 59 | "hlt" \
|
|---|
| 60 | "jmp forever" \
|
|---|
| 61 | modify exact [] nomemory aborts;
|
|---|
| 62 |
|
|---|
| 63 | void rep_movsw(void __far *d, void __far *s, int nwords);
|
|---|
| 64 | #pragma aux rep_movsw = \
|
|---|
| 65 | "push ds" \
|
|---|
| 66 | "mov ds, dx" \
|
|---|
| 67 | "rep movsw" \
|
|---|
| 68 | "pop ds" \
|
|---|
| 69 | parm [es di] [dx si] [cx];
|
|---|
| 70 |
|
|---|
| 71 | #ifndef __386__
|
|---|
| 72 |
|
|---|
| 73 | char __far *rep_insb(char __far *buffer, unsigned nbytes, unsigned port);
|
|---|
| 74 | #pragma aux rep_insb = ".286" "rep insb" parm [es di] [cx] [dx] value [es di] modify exact [cx di];
|
|---|
| 75 |
|
|---|
| 76 | char __far *rep_insw(char __far *buffer, unsigned nwords, unsigned port);
|
|---|
| 77 | #pragma aux rep_insw = ".286" "rep insw" parm [es di] [cx] [dx] value [es di] modify exact [cx di];
|
|---|
| 78 |
|
|---|
| 79 | char __far *rep_insd(char __far *buffer, unsigned ndwords, unsigned port);
|
|---|
| 80 | #pragma aux rep_insd = ".386" "rep insd" parm [es di] [cx] [dx] value [es di] modify exact [cx di];
|
|---|
| 81 |
|
|---|
| 82 | char __far *rep_outsb(char __far *buffer, unsigned nbytes, unsigned port);
|
|---|
| 83 | #pragma aux rep_outsb = ".286" "rep outs dx,byte ptr es:[si]" parm [es si] [cx] [dx] value [es si] modify exact [cx si];
|
|---|
| 84 |
|
|---|
| 85 | char __far *rep_outsw(char __far *buffer, unsigned nwords, unsigned port);
|
|---|
| 86 | #pragma aux rep_outsw = ".286" "rep outs dx,word ptr es:[si]" parm [es si] [cx] [dx] value [es si] modify exact [cx si];
|
|---|
| 87 |
|
|---|
| 88 | char __far *rep_outsd(char __far *buffer, unsigned ndwords, unsigned port);
|
|---|
| 89 | #pragma aux rep_outsd = ".386" "rep outs dx,dword ptr es:[si]" parm [es si] [cx] [dx] value [es si] modify exact [cx si];
|
|---|
| 90 |
|
|---|
| 91 | uint16_t __far swap_16(uint16_t val);
|
|---|
| 92 | #pragma aux swap_16 = "xchg ah,al" parm [ax] value [ax] modify exact [ax] nomemory;
|
|---|
| 93 |
|
|---|
| 94 | uint32_t __far swap_32(uint32_t val);
|
|---|
| 95 | #pragma aux swap_32 = \
|
|---|
| 96 | "xchg ah, al" \
|
|---|
| 97 | "xchg dh, dl" \
|
|---|
| 98 | "xchg ax, dx" \
|
|---|
| 99 | parm [dx ax] value [dx ax] modify exact [dx ax] nomemory;
|
|---|
| 100 |
|
|---|
| 101 | #endif
|
|---|
