diff --git a/sys/i386/i386/globals.s b/sys/i386/i386/globals.s new file mode 100644 index 00000000000..8fb08f1de60 --- /dev/null +++ b/sys/i386/i386/globals.s @@ -0,0 +1,169 @@ +/*- + * Copyright (c) Peter Wemm + * 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. + * + * $Id$ + */ + +#include +#include + +#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_prvstart + .set _SMP_prvstart,(MPPTDI << PDRSHIFT) + + .globl globaldata,_SMP_prvpt,_lapic,_SMP_ioapic + .globl _prv_CPAGE1,_prv_CPAGE2,_prv_CPAGE3 + .globl _idlestack,_idlestack_top + + .set globaldata,_SMP_prvstart + PS_GLOBALDATA + .set _SMP_prvpt,_SMP_prvstart + PS_PRVPT + .set _lapic,_SMP_prvstart + PS_LAPIC + .set _idlestack,_SMP_prvstart + PS_IDLESTACK + .set _idlestack_top,_SMP_prvstart + PS_IDLESTACK_TOP + .set _prv_CPAGE1,_SMP_prvstart + PS_CPAGE1 + .set _prv_CPAGE2,_SMP_prvstart + PS_CPAGE2 + .set _prv_CPAGE3,_SMP_prvstart + PS_CPAGE3 + .set _SMP_ioapic,_SMP_prvstart + PS_IOAPICS +#endif + + /* + * Define layout of the global data. On SMP this lives in + * the per-cpu address space, otherwise it's in the data segment. + */ +#ifndef SMP + .data + ALIGN_DATA +globaldata: + .space GD_SIZEOF /* in data segment */ +#endif + .globl _curproc,_curpcb,_npxproc,_common_tss + .set _curproc,globaldata + GD_CURPROC + .set _curpcb,globaldata + GD_CURPCB + .set _npxproc,globaldata + GD_NPXPROC + .set _common_tss,globaldata + GD_COMMON_TSS + +#ifdef VM86 + .globl _common_tssd,_private_tss + .set _common_tssd,globaldata + GD_COMMON_TSSD + .set _private_tss,globaldata + GD_PRIVATE_TSS +#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 _cpuid,_cpu_lockid,_other_cpus,_my_idlePTD,_ss_tpr + .globl _prv_CMAP1,_prv_CMAP2,_prv_CMAP3 + .globl _inside_intr + + .set _cpuid,globaldata + GD_CPUID + .set _cpu_lockid,globaldata + GD_CPU_LOCKID + .set _other_cpus,globaldata + GD_OTHER_CPUS + .set _my_idlePTD,globaldata + GD_MY_IDLEPTD + .set _ss_tpr,globaldata + GD_SS_TPR + .set _prv_CMAP1,globaldata + GD_PRV_CMAP1 + .set _prv_CMAP2,globaldata + GD_PRV_CMAP2 + .set _prv_CMAP3,globaldata + GD_PRV_CMAP3 + .set _inside_intr,globaldata + GD_INSIDE_INTR +#ifdef VM86 + .globl _my_tr + .set _my_tr,globaldata + GD_MY_TR +#endif +#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