/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _I386_COMMPAGE_H #define _I386_COMMPAGE_H #ifndef __ASSEMBLER__ #include <stdint.h> #endif /* __ASSEMBLER__ */ #ifdef __ASSEMBLER__ #include <machine/asm.h> #define COMMPAGE_DESCRIPTOR(label,address,must,cant) \ L ## label ## _end: ;\ .const_data ;\ L ## label ## _size = L ## label ## _end - L ## label ;\ .private_extern _commpage_ ## label ;\ _commpage_ ## label ## : ;\ .long L ## label ;\ .long L ## label ## _size ;\ .long address ;\ .long must ;\ .long cant ;\ .text #else /* __ASSEMBLER__ */ /* Each potential commpage routine is described by one of these. * Note that the COMMPAGE_DESCRIPTOR macro (above), used in * assembly language, must agree with this. */ typedef struct commpage_descriptor { void *code_address; // address of code long code_length; // length in bytes long commpage_address; // put at this address (_COMM_PAGE_BCOPY etc) long musthave; // _cpu_capability bits we must have long canthave; // _cpu_capability bits we can't have } commpage_descriptor; extern char *commPagePtr; // virt address of commpage in kernel map extern void commpage_set_timestamp(uint64_t tbr,uint32_t secs,uint32_t usecs,uint32_t ticks_per_sec); #endif /* __ASSEMBLER__ */ #endif /* _I386_COMMPAGE_H */