Changeset View
Changeset View
Standalone View
Standalone View
head/sys/boot/pc98/btx/lib/btxv86.h
| Property | Old Value | New Value |
|---|---|---|
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| /* | |||||
| * Copyright (c) 1998 Robert Nordier | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms are freely | |||||
| * permitted provided that the above copyright notice and this | |||||
| * paragraph and the following disclaimer are duplicated in all | |||||
| * such forms. | |||||
| * | |||||
| * This software is provided "AS IS" and without any express or | |||||
| * implied warranties, including, without limitation, the implied | |||||
| * warranties of merchantability and fitness for a particular | |||||
| * purpose. | |||||
| */ | |||||
| /* | |||||
| * $FreeBSD$ | |||||
| */ | |||||
| #ifndef _BTXV86_H_ | |||||
| #define _BTXV86_H_ | |||||
| #include <sys/types.h> | |||||
| #include <machine/psl.h> | |||||
| #define V86_ADDR 0x10000 /* Segment:offset address */ | |||||
| #define V86_CALLF 0x20000 /* Emulate far call */ | |||||
| #define V86_FLAGS 0x40000 /* Return flags */ | |||||
| struct __v86 { | |||||
| uint32_t ctl; /* Control flags */ | |||||
| uint32_t addr; /* Interrupt number or address */ | |||||
| uint32_t es; /* V86 ES register */ | |||||
| uint32_t ds; /* V86 DS register */ | |||||
| uint32_t fs; /* V86 FS register */ | |||||
| uint32_t gs; /* V86 GS register */ | |||||
| uint32_t eax; /* V86 EAX register */ | |||||
| uint32_t ecx; /* V86 ECX register */ | |||||
| uint32_t edx; /* V86 EDX register */ | |||||
| uint32_t ebx; /* V86 EBX register */ | |||||
| uint32_t efl; /* V86 eflags register */ | |||||
| uint32_t ebp; /* V86 EBP register */ | |||||
| uint32_t esi; /* V86 ESI register */ | |||||
| uint32_t edi; /* V86 EDI register */ | |||||
| }; | |||||
| extern struct __v86 __v86; /* V86 interface structure */ | |||||
| void __v86int(void); | |||||
| #define v86 __v86 | |||||
| #define v86int __v86int | |||||
| extern u_int32_t __base; | |||||
| extern u_int32_t __args; | |||||
| #define PTOV(pa) ((caddr_t)(pa) - __base) | |||||
| #define VTOP(va) ((vm_offset_t)(va) + __base) | |||||
| #define VTOPSEG(va) (u_int16_t)(VTOP((caddr_t)va) >> 4) | |||||
| #define VTOPOFF(va) (u_int16_t)(VTOP((caddr_t)va) & 0xf) | |||||
| #define V86_CY(x) ((x) & PSL_C) | |||||
| #define V86_ZR(x) ((x) & PSL_Z) | |||||
| void __exit(int) __attribute__((__noreturn__)); | |||||
| void __exec(caddr_t, ...); | |||||
| #endif /* !_BTXV86_H_ */ | |||||