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Diffstat (limited to 'sys/i386/include/pcb.h')
| -rw-r--r-- | sys/i386/include/pcb.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/sys/i386/include/pcb.h b/sys/i386/include/pcb.h deleted file mode 100644 index 96485b4..0000000 --- a/sys/i386/include/pcb.h +++ /dev/null @@ -1,87 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * William Jolitz. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: @(#)pcb.h 5.10 (Berkeley) 5/12/91 - * $Id$ - */ - -#ifndef _I386_PCB_H_ -#define _I386_PCB_H_ - -/* - * Intel 386 process control block - */ -#include "machine/tss.h" -#include "machine/npx.h" - -struct pcb { - struct i386tss pcb_tss; -#define pcb_ksp pcb_tss.tss_esp0 -#define pcb_ptd pcb_tss.tss_cr3 -#define pcb_cr3 pcb_ptd -#define pcb_pc pcb_tss.tss_eip -#define pcb_psl pcb_tss.tss_eflags -#define pcb_usp pcb_tss.tss_esp -#define pcb_fp pcb_tss.tss_ebp -#ifdef notyet - u_char pcb_iomap[NPORT/sizeof(u_char)]; /* i/o port bitmap */ -#endif - caddr_t pcb_ldt; /* per process (user) LDT */ - int pcb_ldt_len; /* number of LDT entries */ - struct save87 pcb_savefpu; /* floating point state for 287/387 */ - struct emcsts pcb_saveemc; /* Cyrix EMC state */ -/* - * Software pcb (extension) - */ - int pcb_flags; -#ifdef notused -#define FP_WASUSED 0x01 /* process has used fltng pnt hardware */ -#define FP_NEEDSSAVE 0x02 /* ... that needs save on next context switch */ -#define FP_NEEDSRESTORE 0x04 /* ... that needs restore on next DNA fault */ -#endif -#define FP_USESEMC 0x08 /* process uses EMC memory-mapped mode */ -#define FM_TRAP 0x10 /* process entered kernel on a trap frame */ -#define FP_SOFTFP 0x20 /* process using software fltng pnt emulator */ - short pcb_iml; /* interrupt mask level */ - caddr_t pcb_onfault; /* copyin/out fault recovery */ - long pcb_sigc[8]; /* XXX signal code trampoline */ - int pcb_cmap2; /* XXX temporary PTE - will prefault instead */ -}; - -#ifdef KERNEL -struct pcb *curpcb; /* our current running pcb */ -#endif - -#endif /* _I386_PCB_H_ */ |
