193 lines
6.6 KiB
ArmAsm
193 lines
6.6 KiB
ArmAsm
/*-
|
|
* 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include "opt_user_ldt.h"
|
|
|
|
#include <machine/asmacros.h>
|
|
#include <machine/pmap.h>
|
|
|
|
#include "assym.s"
|
|
|
|
#ifdef SMP
|
|
/*
|
|
* Define layout of 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!
|
|
*/
|
|
.globl _SMP_prvspace, _lapic
|
|
.set _SMP_prvspace,(MPPTDI << PDRSHIFT)
|
|
.set _lapic,_SMP_prvspace + (NPTEPG-1) * PAGE_SIZE
|
|
|
|
.globl gd_idlestack,gd_idlestack_top
|
|
.set gd_idlestack,PS_IDLESTACK
|
|
.set gd_idlestack_top,PS_IDLESTACK_TOP
|
|
#endif
|
|
|
|
/*
|
|
* Define layout of the global data. On SMP this lives in
|
|
* the per-cpu address space, otherwise it's in the data segment.
|
|
*/
|
|
.globl globaldata
|
|
#ifndef SMP
|
|
.data
|
|
ALIGN_DATA
|
|
globaldata:
|
|
.space GD_SIZEOF /* in data segment */
|
|
#else
|
|
.set globaldata,0
|
|
#endif
|
|
.globl gd_curproc, gd_curpcb, gd_npxproc
|
|
.globl gd_common_tss, gd_switchtime, gd_switchticks
|
|
.set gd_curproc,globaldata + GD_CURPROC
|
|
.set gd_curpcb,globaldata + GD_CURPCB
|
|
.set gd_npxproc,globaldata + GD_NPXPROC
|
|
.set gd_common_tss,globaldata + GD_COMMON_TSS
|
|
.set gd_switchtime,globaldata + GD_SWITCHTIME
|
|
.set gd_switchticks,globaldata + GD_SWITCHTICKS
|
|
|
|
.globl gd_common_tssd, gd_tss_gdt
|
|
.set gd_common_tssd,globaldata + GD_COMMON_TSSD
|
|
.set gd_tss_gdt,globaldata + GD_TSS_GDT
|
|
|
|
#ifdef USER_LDT
|
|
.globl gd_currentldt
|
|
.set gd_currentldt,globaldata + GD_CURRENTLDT
|
|
#endif
|
|
|
|
#ifndef SMP
|
|
.globl _curproc, _curpcb, _npxproc
|
|
.globl _common_tss, _switchtime, _switchticks
|
|
.set _curproc,globaldata + GD_CURPROC
|
|
.set _curpcb,globaldata + GD_CURPCB
|
|
.set _npxproc,globaldata + GD_NPXPROC
|
|
.set _common_tss,globaldata + GD_COMMON_TSS
|
|
.set _switchtime,globaldata + GD_SWITCHTIME
|
|
.set _switchticks,globaldata + GD_SWITCHTICKS
|
|
|
|
.globl _common_tssd, _tss_gdt
|
|
.set _common_tssd,globaldata + GD_COMMON_TSSD
|
|
.set _tss_gdt,globaldata + GD_TSS_GDT
|
|
|
|
#ifdef USER_LDT
|
|
.globl _currentldt
|
|
.set _currentldt,globaldata + GD_CURRENTLDT
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef SMP
|
|
/*
|
|
* 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_cpu_lockid, gd_other_cpus
|
|
.globl gd_ss_eflags, gd_inside_intr
|
|
.globl gd_prv_CMAP1, gd_prv_CMAP2, gd_prv_CMAP3, gd_prv_PMAP1
|
|
.globl gd_prv_CADDR1, gd_prv_CADDR2, gd_prv_CADDR3, gd_prv_PADDR1
|
|
|
|
.set gd_cpuid,globaldata + GD_CPUID
|
|
.set gd_cpu_lockid,globaldata + GD_CPU_LOCKID
|
|
.set gd_other_cpus,globaldata + GD_OTHER_CPUS
|
|
.set gd_ss_eflags,globaldata + GD_SS_EFLAGS
|
|
.set gd_inside_intr,globaldata + GD_INSIDE_INTR
|
|
.set gd_prv_CMAP1,globaldata + GD_PRV_CMAP1
|
|
.set gd_prv_CMAP2,globaldata + GD_PRV_CMAP2
|
|
.set gd_prv_CMAP3,globaldata + GD_PRV_CMAP3
|
|
.set gd_prv_PMAP1,globaldata + GD_PRV_PMAP1
|
|
.set gd_prv_CADDR1,globaldata + GD_PRV_CADDR1
|
|
.set gd_prv_CADDR2,globaldata + GD_PRV_CADDR2
|
|
.set gd_prv_CADDR3,globaldata + GD_PRV_CADDR3
|
|
.set gd_prv_PADDR1,globaldata + GD_PRV_PADDR1
|
|
#endif
|
|
|
|
#if defined(SMP) || defined(APIC_IO)
|
|
.globl lapic_eoi, lapic_svr, lapic_tpr, lapic_irr1, lapic_ver
|
|
.globl lapic_icr_lo,lapic_icr_hi,lapic_isr1
|
|
/*
|
|
* Do not clutter our namespace with these unless we need them in other
|
|
* assembler code. The C code uses different definitions.
|
|
*/
|
|
#if 0
|
|
.globl lapic_id,lapic_ver,lapic_tpr,lapic_apr,lapic_ppr,lapic_eoi
|
|
.globl lapic_ldr,lapic_dfr,lapic_svr,lapic_isr,lapic_isr0
|
|
.globl lapic_isr2,lapic_isr3,lapic_isr4,lapic_isr5,lapic_isr6
|
|
.globl lapic_isr7,lapic_tmr,lapic_tmr0,lapic_tmr1,lapic_tmr2
|
|
.globl lapic_tmr3,lapic_tmr4,lapic_tmr5,lapic_tmr6,lapic_tmr7
|
|
.globl lapic_irr,lapic_irr0,lapic_irr1,lapic_irr2,lapic_irr3
|
|
.globl lapic_irr4,lapic_irr5,lapic_irr6,lapic_irr7,lapic_esr
|
|
.globl lapic_lvtt,lapic_pcint,lapic_lvt1
|
|
.globl lapic_lvt2,lapic_lvt3,lapic_ticr,lapic_tccr,lapic_tdcr
|
|
#endif
|
|
.set lapic_id, _lapic + 0x020
|
|
.set lapic_ver, _lapic + 0x030
|
|
.set lapic_tpr, _lapic + 0x080
|
|
.set lapic_apr, _lapic + 0x090
|
|
.set lapic_ppr, _lapic + 0x0a0
|
|
.set lapic_eoi, _lapic + 0x0b0
|
|
.set lapic_ldr, _lapic + 0x0d0
|
|
.set lapic_dfr, _lapic + 0x0e0
|
|
.set lapic_svr, _lapic + 0x0f0
|
|
.set lapic_isr, _lapic + 0x100
|
|
.set lapic_isr0, _lapic + 0x100
|
|
.set lapic_isr1, _lapic + 0x110
|
|
.set lapic_isr2, _lapic + 0x120
|
|
.set lapic_isr3, _lapic + 0x130
|
|
.set lapic_isr4, _lapic + 0x140
|
|
.set lapic_isr5, _lapic + 0x150
|
|
.set lapic_isr6, _lapic + 0x160
|
|
.set lapic_isr7, _lapic + 0x170
|
|
.set lapic_tmr, _lapic + 0x180
|
|
.set lapic_tmr0, _lapic + 0x180
|
|
.set lapic_tmr1, _lapic + 0x190
|
|
.set lapic_tmr2, _lapic + 0x1a0
|
|
.set lapic_tmr3, _lapic + 0x1b0
|
|
.set lapic_tmr4, _lapic + 0x1c0
|
|
.set lapic_tmr5, _lapic + 0x1d0
|
|
.set lapic_tmr6, _lapic + 0x1e0
|
|
.set lapic_tmr7, _lapic + 0x1f0
|
|
.set lapic_irr, _lapic + 0x200
|
|
.set lapic_irr0, _lapic + 0x200
|
|
.set lapic_irr1, _lapic + 0x210
|
|
.set lapic_irr2, _lapic + 0x220
|
|
.set lapic_irr3, _lapic + 0x230
|
|
.set lapic_irr4, _lapic + 0x240
|
|
.set lapic_irr5, _lapic + 0x250
|
|
.set lapic_irr6, _lapic + 0x260
|
|
.set lapic_irr7, _lapic + 0x270
|
|
.set lapic_esr, _lapic + 0x280
|
|
.set lapic_icr_lo, _lapic + 0x300
|
|
.set lapic_icr_hi, _lapic + 0x310
|
|
.set lapic_lvtt, _lapic + 0x320
|
|
.set lapic_pcint, _lapic + 0x340
|
|
.set lapic_lvt1, _lapic + 0x350
|
|
.set lapic_lvt2, _lapic + 0x360
|
|
.set lapic_lvt3, _lapic + 0x370
|
|
.set lapic_ticr, _lapic + 0x380
|
|
.set lapic_tccr, _lapic + 0x390
|
|
.set lapic_tdcr, _lapic + 0x3e0
|
|
#endif
|