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Diffstat (limited to 'sys/i386/include/pcpu.h')
| -rw-r--r-- | sys/i386/include/pcpu.h | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/sys/i386/include/pcpu.h b/sys/i386/include/pcpu.h deleted file mode 100644 index e182d0a8af51..000000000000 --- a/sys/i386/include/pcpu.h +++ /dev/null @@ -1,104 +0,0 @@ -/*- - * Copyright (c) Peter Wemm <peter@netplex.com.au> - * All rights reserved. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - * $Id: globaldata.h,v 1.5 1998/05/28 09:30:02 phk Exp $ - */ - -/* - * This structure maps out the global data that needs to be kept on a - * per-cpu basis. genassym uses this to generate offsets for the assembler - * code, which also provides external symbols so that C can get at them as - * though they were really globals. - * - * The SMP parts are setup in pmap.c and locore.s for the BSP, and - * mp_machdep.c sets up the data for the AP's to "see" when they awake. - * The reason for doing it via a struct is so that an array of pointers - * to each CPU's data can be set up for things like "check curproc on all - * other processors" - */ -struct globaldata { - struct proc *curproc; - struct proc *npxproc; - struct pcb *curpcb; - struct i386tss common_tss; - struct timeval switchtime; -#ifdef VM86 - struct segment_descriptor common_tssd; - u_int private_tss; - u_int my_tr; -#endif -#ifdef USER_LDT - int currentldt; -#endif -#ifdef SMP - u_int cpuid; - u_int cpu_lockid; - u_int other_cpus; - pd_entry_t *my_idlePTD; - u_int ss_eflags; - pt_entry_t *prv_CMAP1; - pt_entry_t *prv_CMAP2; - pt_entry_t *prv_CMAP3; - pt_entry_t *prv_PMAP1; - int inside_intr; -#endif -}; - -#ifdef SMP -/* - * This is the upper (0xff800000) address space layout that is per-cpu. - * It is setup in locore.s and pmap.c for the BSP and in mp_machdep.c for - * each AP. genassym helps export this to the assembler code. - */ -struct privatespace { - /* page 0 - data page */ - struct globaldata globaldata; - char __filler0[PAGE_SIZE - sizeof(struct globaldata)]; - - /* page 1 - page table page */ - pt_entry_t prvpt[NPTEPG]; - - /* page 2 - local apic mapping */ - lapic_t lapic; - char __filler1[PAGE_SIZE - sizeof(lapic_t)]; - - /* page 3..2+UPAGES - idle stack (UPAGES pages) */ - char idlestack[UPAGES * PAGE_SIZE]; - - /* page 3+UPAGES..6+UPAGES - CPAGE1,CPAGE2,CPAGE3,PPAGE1 */ - char CPAGE1[PAGE_SIZE]; - char CPAGE2[PAGE_SIZE]; - char CPAGE3[PAGE_SIZE]; - char PPAGE1[PAGE_SIZE]; - - /* page 7+UPAGES..15 - spare, unmapped */ - char __filler2[(9-UPAGES) * PAGE_SIZE]; - - /* page 16-31 - space for IO apics */ - char ioapics[16 * PAGE_SIZE]; - - /* page 32-47 - maybe other cpu's globaldata pages? */ -}; -#endif |