sys/platform/pc64/amd64/globals.s

   1 /*-
   2  * Copyright (c) Peter Wemm <peter@netplex.com.au>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/i386/i386/globals.s,v 1.13.2.1 2000/05/16 06:58:06 dillon Exp $
  27  * $DragonFly: src/sys/platform/pc64/amd64/global.s,v 1.2 2007/09/24 03:24:45 yanyh Exp $
  28  */
  29
  30 #include <machine/asmacros.h>
  31 #include <machine/pmap.h>
  32
  33 #include "assym.s"
  34
  35         /*
  36          * Define the layout of the per-cpu address space.  This is
  37          * "constructed" in locore.s on the BSP and in mp_machdep.c for
  38          * each AP.  DO NOT REORDER THESE WITHOUT UPDATING THE REST!
  39          *
  40          * On UP the per-cpu address space is simply placed in the data
  41          * segment.
  42          */
  43         .data
  44         .globl  CPU_prvspace, lapic
  45         .set    CPU_prvspace,(MPPML4I << PML4SHIFT)
  46         .set    lapic,CPU_prvspace + (NPTEPG-1) * PAGE_SIZE
  47
  48         .globl  globaldata
  49         .set    globaldata,0
  50
  51         /*
  52          * Define layout of the global data.  On SMP this lives in
  53          * the per-cpu address space, otherwise it's in the data segment.
  54          */
  55         .globl  gd_curthread, gd_npxthread, gd_reqflags, gd_common_tss
  56         .set    gd_curthread,globaldata + GD_CURTHREAD
  57         .set    gd_npxthread,globaldata + GD_NPXTHREAD
  58         .set    gd_reqflags,globaldata + GD_REQFLAGS
  59         .set    gd_common_tss,globaldata + GD_COMMON_TSS
  60
  61         .globl  gd_common_tssd, gd_tss_gdt
  62         .set    gd_common_tssd,globaldata + GD_COMMON_TSSD
  63         .set    gd_tss_gdt,globaldata + GD_TSS_GDT
  64
  65         .globl  gd_currentldt
  66         .set    gd_currentldt,globaldata + GD_CURRENTLDT
  67
  68         .globl  gd_fpu_lock, gd_savefpu
  69         .set    gd_fpu_lock, globaldata + GD_FPU_LOCK
  70         .set    gd_savefpu, globaldata + GD_SAVEFPU
  71
  72         /*
  73          * The BSP version of these get setup in locore.s and pmap.c, while
  74          * the AP versions are setup in mp_machdep.c.
  75          */
  76         .globl  gd_cpuid, gd_other_cpus
  77         .globl  gd_ss_eflags, gd_intr_nesting_level
  78         .globl  gd_CMAP1, gd_CMAP2, gd_CMAP3, gd_PMAP1
  79         .globl  gd_CADDR1, gd_CADDR2, gd_CADDR3, gd_PADDR1
  80         .globl  gd_spending, gd_ipending, gd_fpending
  81         .globl  gd_cnt, gd_private_tss
  82
  83         .set    gd_cpuid,globaldata + GD_CPUID
  84         .set    gd_private_tss,globaldata + GD_PRIVATE_TSS
  85         .set    gd_other_cpus,globaldata + GD_OTHER_CPUS
  86         .set    gd_ss_eflags,globaldata + GD_SS_EFLAGS
  87         .set    gd_intr_nesting_level,globaldata + GD_INTR_NESTING_LEVEL
  88         .set    gd_CMAP1,globaldata + GD_PRV_CMAP1
  89         .set    gd_CMAP2,globaldata + GD_PRV_CMAP2
  90         .set    gd_CMAP3,globaldata + GD_PRV_CMAP3
  91         .set    gd_PMAP1,globaldata + GD_PRV_PMAP1
  92         .set    gd_CADDR1,globaldata + GD_PRV_CADDR1
  93         .set    gd_CADDR2,globaldata + GD_PRV_CADDR2
  94         .set    gd_CADDR3,globaldata + GD_PRV_CADDR3
  95         .set    gd_PADDR1,globaldata + GD_PRV_PADDR1
  96         .set    gd_fpending,globaldata + GD_FPENDING
  97         .set    gd_ipending,globaldata + GD_IPENDING
  98         .set    gd_spending,globaldata + GD_SPENDING
  99         .set    gd_cnt,globaldata + GD_CNT
 100
 101 #ifdef SMP
 102         .globl  lapic_eoi, lapic_svr, lapic_tpr, lapic_irr1, lapic_ver
 103         .globl  lapic_icr_lo,lapic_icr_hi,lapic_isr1
 104 /*
 105  * Do not clutter our namespace with these unless we need them in other
 106  * assembler code.  The C code uses different definitions.
 107  */
 108 #if 0
 109         .globl  lapic_id,lapic_ver,lapic_tpr,lapic_apr,lapic_ppr,lapic_eoi
 110         .globl  lapic_ldr,lapic_dfr,lapic_svr,lapic_isr,lapic_isr0
 111         .globl  lapic_isr2,lapic_isr3,lapic_isr4,lapic_isr5,lapic_isr6
 112         .globl  lapic_isr7,lapic_tmr,lapic_tmr0,lapic_tmr1,lapic_tmr2
 113         .globl  lapic_tmr3,lapic_tmr4,lapic_tmr5,lapic_tmr6,lapic_tmr7
 114         .globl  lapic_irr,lapic_irr0,lapic_irr1,lapic_irr2,lapic_irr3
 115         .globl  lapic_irr4,lapic_irr5,lapic_irr6,lapic_irr7,lapic_esr
 116         .globl  lapic_lvtt,lapic_pcint,lapic_lvt1
 117         .globl  lapic_lvt2,lapic_lvt3,lapic_ticr,lapic_tccr,lapic_tdcr
 118 #endif
 119         .set    lapic_id,       lapic + 0x020
 120         .set    lapic_ver,      lapic + 0x030
 121         .set    lapic_tpr,      lapic + 0x080
 122         .set    lapic_apr,      lapic + 0x090
 123         .set    lapic_ppr,      lapic + 0x0a0
 124         .set    lapic_eoi,      lapic + 0x0b0
 125         .set    lapic_ldr,      lapic + 0x0d0
 126         .set    lapic_dfr,      lapic + 0x0e0
 127         .set    lapic_svr,      lapic + 0x0f0
 128         .set    lapic_isr,      lapic + 0x100
 129         .set    lapic_isr0,     lapic + 0x100
 130         .set    lapic_isr1,     lapic + 0x110
 131         .set    lapic_isr2,     lapic + 0x120
 132         .set    lapic_isr3,     lapic + 0x130
 133         .set    lapic_isr4,     lapic + 0x140
 134         .set    lapic_isr5,     lapic + 0x150
 135         .set    lapic_isr6,     lapic + 0x160
 136         .set    lapic_isr7,     lapic + 0x170
 137         .set    lapic_tmr,      lapic + 0x180
 138         .set    lapic_tmr0,     lapic + 0x180
 139         .set    lapic_tmr1,     lapic + 0x190
 140         .set    lapic_tmr2,     lapic + 0x1a0
 141         .set    lapic_tmr3,     lapic + 0x1b0
 142         .set    lapic_tmr4,     lapic + 0x1c0
 143         .set    lapic_tmr5,     lapic + 0x1d0
 144         .set    lapic_tmr6,     lapic + 0x1e0
 145         .set    lapic_tmr7,     lapic + 0x1f0
 146         .set    lapic_irr,      lapic + 0x200
 147         .set    lapic_irr0,     lapic + 0x200
 148         .set    lapic_irr1,     lapic + 0x210
 149         .set    lapic_irr2,     lapic + 0x220
 150         .set    lapic_irr3,     lapic + 0x230
 151         .set    lapic_irr4,     lapic + 0x240
 152         .set    lapic_irr5,     lapic + 0x250
 153         .set    lapic_irr6,     lapic + 0x260
 154         .set    lapic_irr7,     lapic + 0x270
 155         .set    lapic_esr,      lapic + 0x280
 156         .set    lapic_icr_lo,   lapic + 0x300
 157         .set    lapic_icr_hi,   lapic + 0x310
 158         .set    lapic_lvtt,     lapic + 0x320
 159         .set    lapic_pcint,    lapic + 0x340
 160         .set    lapic_lvt1,     lapic + 0x350
 161         .set    lapic_lvt2,     lapic + 0x360
 162         .set    lapic_lvt3,     lapic + 0x370
 163         .set    lapic_ticr,     lapic + 0x380
 164         .set    lapic_tccr,     lapic + 0x390
 165         .set    lapic_tdcr,     lapic + 0x3e0
 166 #endif
 167