/*- * Copyright (c) Peter Wemm <peter@netplex.com.au> * Copyright (c) 2008 The DragonFly Project. * 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. * * $FreeBSD: src/sys/i386/i386/globals.s,v 1.13.2.1 2000/05/16 06:58:06 dillon Exp $ */ #include <machine/asmacros.h> #include <machine/pmap.h> #include "assym.s" /* * Define the layout of the per-cpu address space. This is * "constructed" in locore.s on the BSP and in mp_machdep.c for * each AP. DO NOT REORDER THESE WITHOUT UPDATING THE REST! * * On UP the per-cpu address space is simply placed in the data * segment. */ .data .globl globaldata .set globaldata,0 /* * Define layout of the global data. On SMP this lives in * the per-cpu address space, otherwise it's in the data segment. */ .globl gd_trampoline, gd_debug1, gd_debug2 .globl gd_curthread, gd_npxthread, gd_reqflags, gd_common_tss .set gd_trampoline,globaldata + GD_TRAMPOLINE .set gd_debug1,globaldata + GD_DEBUG1 .set gd_debug2,globaldata + GD_DEBUG2 .set gd_curthread,globaldata + GD_CURTHREAD .set gd_npxthread,globaldata + GD_NPXTHREAD .set gd_reqflags,globaldata + GD_REQFLAGS .set gd_common_tss,globaldata + GD_COMMON_TSS .globl gd_common_tssd, gd_tss_gdt .set gd_common_tssd,globaldata + GD_COMMON_TSSD .set gd_tss_gdt,globaldata + GD_TSS_GDT .globl gd_currentldt .set gd_currentldt,globaldata + GD_CURRENTLDT .globl gd_fpu_lock, gd_savefpu .set gd_fpu_lock, globaldata + GD_FPU_LOCK .set gd_savefpu, globaldata + GD_SAVEFPU .globl gd_ireserved .set gd_ireserved, globaldata + GD_IRESERVED /* * The BSP version of these get setup in locore.s and pmap.c, while * the AP versions are setup in mp_machdep.c. */ .globl gd_cpuid, gd_cpumask, gd_other_cpus .globl gd_ss_eflags, gd_intr_nesting_level .globl gd_spending, gd_ipending .globl gd_cnt, gd_private_tss .globl gd_user_fs, gd_user_gs .globl gd_sample_pc .globl gd_sample_sp .globl gd_npoll .globl gd_cpumask_simple .globl gd_cpumask_offset .set gd_cpuid,globaldata + GD_CPUID .set gd_cpumask,globaldata + GD_CPUMASK .set gd_private_tss,globaldata + GD_PRIVATE_TSS .set gd_other_cpus,globaldata + GD_OTHER_CPUS .set gd_ss_eflags,globaldata + GD_SS_EFLAGS .set gd_intr_nesting_level,globaldata + GD_INTR_NESTING_LEVEL .set gd_ipending,globaldata + GD_IPENDING .set gd_spending,globaldata + GD_SPENDING .set gd_cnt,globaldata + GD_CNT .set gd_user_fs,globaldata + GD_USER_FS .set gd_user_gs,globaldata + GD_USER_GS .set gd_sample_pc,globaldata + GD_SAMPLE_PC .set gd_sample_sp,globaldata + GD_SAMPLE_SP .set gd_npoll,globaldata + GD_NPOLL .set gd_cpumask_simple,globaldata + GD_CPUMASK_SIMPLE .set gd_cpumask_offset,globaldata + GD_CPUMASK_OFFSET
