+++ /dev/null
-/*
- * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#include <string.h>
-
-#include <mach/machine/vm_types.h>
-
-#include <mach/boolean.h>
-#include <kern/thread.h>
-#include <kern/zalloc.h>
-
-#include <kern/lock.h>
-#include <kern/kalloc.h>
-#include <kern/spl.h>
-
-#include <vm/pmap.h>
-#include <vm/vm_map.h>
-#include <vm/vm_kern.h>
-#include <mach/vm_param.h>
-#include <mach/vm_prot.h>
-#include <vm/vm_object.h>
-#include <vm/vm_page.h>
-
-#include <mach/machine/vm_param.h>
-#include <machine/thread.h>
-
-#include <kern/misc_protos.h> /* prototyping */
-#include <i386/misc_protos.h>
-
-#include <i386/cpuid.h>
-#include <i386/cpu_data.h>
-#include <i386/mp.h>
-#include <i386/cpu_number.h>
-#include <i386/machine_cpu.h>
-#include <i386/mp_slave_boot.h>
-#include <i386/seg.h>
-
-#include <vm/vm_protos.h>
-
-#include <sys/kdebug.h>
-
-#include <i386/postcode.h>
-
-void
-cpu_IA32e_enable(cpu_data_t *cdp)
-{
- uint32_t cr0 = get_cr0();
- uint64_t efer = rdmsr64(MSR_IA32_EFER);
-
- assert(!ml_get_interrupts_enabled());
-
- postcode(CPU_IA32_ENABLE_ENTRY);
-
- /* Turn paging off - works because we're identity mapped */
- set_cr0(cr0 & ~CR0_PG);
-
- /* pop in new top level phys pg addr */
- set_cr3((vm_offset_t) kernel64_cr3);
-
- wrmsr64(MSR_IA32_EFER, efer | MSR_IA32_EFER_LME); /* set mode */
-
- /* Turn paging on */
- set_cr0(cr0 | CR0_PG);
-
- /* this call is required to re-activate paging */
- kprintf("cpu_IA32e_enable(%p)\n", cdp);
-
- if ((rdmsr64(MSR_IA32_EFER) & MSR_IA32_EFER_LMA) == 0)
- panic("cpu_IA32e_enable() MSR_IA32_EFER_LMA not asserted");
-
- cdp->cpu_kernel_cr3 = kernel64_cr3;
-
- postcode(CPU_IA32_ENABLE_EXIT);
-}
-
-void
-cpu_IA32e_disable(cpu_data_t *cdp)
-{
- uint32_t cr0 = get_cr0();
- uint64_t efer = rdmsr64(MSR_IA32_EFER);
-
- assert(!ml_get_interrupts_enabled());
-
- postcode(CPU_IA32_DISABLE_ENTRY);
-
- if ((rdmsr64(MSR_IA32_EFER) & MSR_IA32_EFER_LMA) == 0)
- panic("cpu_IA32e_disable() MSR_IA32_EFER_LMA clear on entry");
-
- /* Turn paging off - works because we're identity mapped */
- set_cr0(cr0 & ~CR0_PG);
-
- /* pop in legacy top level phys pg addr */
- set_cr3((vm_offset_t) lo_kernel_cr3);
-
- wrmsr64(MSR_IA32_EFER, efer & ~MSR_IA32_EFER_LME); /* reset mode */
-
- /* Turn paging on */
- set_cr0(cr0 | CR0_PG);
-
- /* this call is required to re-activate paging */
- kprintf("cpu_IA32e_disable(%p)\n", cdp);
-
- if ((rdmsr64(MSR_IA32_EFER) & MSR_IA32_EFER_LMA) != 0)
- panic("cpu_IA32e_disable() MSR_IA32_EFER_LMA not cleared");
-
- cdp->cpu_kernel_cr3 = 0ULL;
-
- postcode(CPU_IA32_DISABLE_EXIT);
-}
-
-void
-fix_desc64(void *descp, int count)
-{
- struct fake_descriptor64 *fakep;
- union {
- struct real_gate64 gate;
- struct real_descriptor64 desc;
- } real;
- int i;
-
- fakep = (struct fake_descriptor64 *) descp;
-
- for (i = 0; i < count; i++, fakep++) {
- /*
- * Construct the real decriptor locally.
- */
-
- bzero((void *) &real, sizeof(real));
-
- switch (fakep->access & ACC_TYPE) {
- case 0:
- break;
- case ACC_CALL_GATE:
- case ACC_INTR_GATE:
- case ACC_TRAP_GATE:
- real.gate.offset_low16 = fakep->offset[0] & 0xFFFF;
- real.gate.selector16 = fakep->lim_or_seg & 0xFFFF;
- real.gate.IST = fakep->size_or_IST & 0x7;
- real.gate.access8 = fakep->access;
- real.gate.offset_high16 = (fakep->offset[0]>>16)&0xFFFF;
- real.gate.offset_top32 = (uint32_t)fakep->offset[1];
- break;
- default: /* Otherwise */
- real.desc.limit_low16 = fakep->lim_or_seg & 0xFFFF;
- real.desc.base_low16 = fakep->offset[0] & 0xFFFF;
- real.desc.base_med8 = (fakep->offset[0] >> 16) & 0xFF;
- real.desc.access8 = fakep->access;
- real.desc.limit_high4 = (fakep->lim_or_seg >> 16) & 0xFF;
- real.desc.granularity4 = fakep->size_or_IST;
- real.desc.base_high8 = (fakep->offset[0] >> 24) & 0xFF;
- real.desc.base_top32 = (uint32_t) fakep->offset[1];
- }
-
- /*
- * Now copy back over the fake structure.
- */
- bcopy((void *) &real, (void *) fakep, sizeof(real));
- }
-}
-
-#if DEBUG
-extern void dump_gdt(void *);
-extern void dump_ldt(void *);
-extern void dump_idt(void *);
-extern void dump_tss(void *);
-extern void dump_frame32(x86_saved_state_compat32_t *scp);
-extern void dump_frame64(x86_saved_state64_t *sp);
-extern void dump_frame(x86_saved_state_t *sp);
-
-void
-dump_frame(x86_saved_state_t *sp)
-{
- if (is_saved_state32(sp))
- dump_frame32((x86_saved_state_compat32_t *) sp);
- else if (is_saved_state64(sp))
- dump_frame64(&sp->ss_64);
- else
- kprintf("dump_frame(%p) unknown type %d\n", sp, sp->flavor);
-}
-
-void
-dump_frame32(x86_saved_state_compat32_t *scp)
-{
- unsigned int i;
- uint32_t *ip = (uint32_t *) scp;
-
- kprintf("dump_frame32(0x%08x):\n", scp);
-
- for (i = 0;
- i < sizeof(x86_saved_state_compat32_t)/sizeof(uint32_t);
- i++, ip++)
- kprintf("0x%08x: 0x%08x\n", ip, *ip);
-
- kprintf("scp->isf64.err: 0x%016llx\n", scp->isf64.err);
- kprintf("scp->isf64.rip: 0x%016llx\n", scp->isf64.rip);
- kprintf("scp->isf64.cs: 0x%016llx\n", scp->isf64.cs);
- kprintf("scp->isf64.rflags: 0x%016llx\n", scp->isf64.rflags);
- kprintf("scp->isf64.rsp: 0x%016llx\n", scp->isf64.rsp);
- kprintf("scp->isf64.ss: 0x%016llx\n", scp->isf64.ss);
-
- kprintf("scp->iss32.tag: 0x%08x\n", scp->iss32.tag);
- kprintf("scp->iss32.state.gs: 0x%08x\n", scp->iss32.state.gs);
- kprintf("scp->iss32.state.fs: 0x%08x\n", scp->iss32.state.fs);
- kprintf("scp->iss32.state.es: 0x%08x\n", scp->iss32.state.es);
- kprintf("scp->iss32.state.ds: 0x%08x\n", scp->iss32.state.ds);
- kprintf("scp->iss32.state.edi: 0x%08x\n", scp->iss32.state.edi);
- kprintf("scp->iss32.state.esi: 0x%08x\n", scp->iss32.state.esi);
- kprintf("scp->iss32.state.ebp: 0x%08x\n", scp->iss32.state.ebp);
- kprintf("scp->iss32.state.cr2: 0x%08x\n", scp->iss32.state.cr2);
- kprintf("scp->iss32.state.ebx: 0x%08x\n", scp->iss32.state.ebx);
- kprintf("scp->iss32.state.edx: 0x%08x\n", scp->iss32.state.edx);
- kprintf("scp->iss32.state.ecx: 0x%08x\n", scp->iss32.state.ecx);
- kprintf("scp->iss32.state.eax: 0x%08x\n", scp->iss32.state.eax);
- kprintf("scp->iss32.state.trapno: 0x%08x\n", scp->iss32.state.eax);
- kprintf("scp->iss32.state.eip: 0x%08x\n", scp->iss32.state.eip);
- kprintf("scp->iss32.state.cs: 0x%08x\n", scp->iss32.state.cs);
- kprintf("scp->iss32.state.efl: 0x%08x\n", scp->iss32.state.efl);
- kprintf("scp->iss32.state.uesp: 0x%08x\n", scp->iss32.state.uesp);
- kprintf("scp->iss32.state.ss: 0x%08x\n", scp->iss32.state.ss);
-
- postcode(0x99);
-}
-
-void
-dump_frame64(x86_saved_state64_t *sp)
-{
- unsigned int i;
- uint64_t *ip = (uint64_t *) sp;
-
- kprintf("dump_frame64(%p):\n", sp);
-
- for (i = 0;
- i < sizeof(x86_saved_state64_t)/sizeof(uint64_t);
- i++, ip++)
- kprintf("0x%08x: 0x%016x\n", ip, *ip);
-
- kprintf("sp->isf.trapno: 0x%08x\n", sp->isf.trapno);
- kprintf("sp->isf.trapfn: 0x%08x\n", sp->isf.trapfn);
- kprintf("sp->isf.err: 0x%016llx\n", sp->isf.err);
- kprintf("sp->isf.rip: 0x%016llx\n", sp->isf.rip);
- kprintf("sp->isf.cs: 0x%016llx\n", sp->isf.cs);
- kprintf("sp->isf.rflags: 0x%016llx\n", sp->isf.rflags);
- kprintf("sp->isf.rsp: 0x%016llx\n", sp->isf.rsp);
- kprintf("sp->isf.ss: 0x%016llx\n", sp->isf.ss);
-
- kprintf("sp->fs: 0x%016x\n", sp->fs);
- kprintf("sp->gs: 0x%016x\n", sp->gs);
- kprintf("sp->rax: 0x%016llx\n", sp->rax);
- kprintf("sp->rcx: 0x%016llx\n", sp->rcx);
- kprintf("sp->rbx: 0x%016llx\n", sp->rbx);
- kprintf("sp->rbp: 0x%016llx\n", sp->rbp);
- kprintf("sp->r11: 0x%016llx\n", sp->r11);
- kprintf("sp->r12: 0x%016llx\n", sp->r12);
- kprintf("sp->r13: 0x%016llx\n", sp->r13);
- kprintf("sp->r14: 0x%016llx\n", sp->r14);
- kprintf("sp->r15: 0x%016llx\n", sp->r15);
- kprintf("sp->cr2: 0x%016llx\n", sp->cr2);
- kprintf("sp->v_arg8: 0x%016llx\n", sp->v_arg8);
- kprintf("sp->v_arg7: 0x%016llx\n", sp->v_arg7);
- kprintf("sp->v_arg6: 0x%016llx\n", sp->v_arg6);
- kprintf("sp->r9: 0x%016llx\n", sp->r9);
- kprintf("sp->r8: 0x%016llx\n", sp->r8);
- kprintf("sp->r10: 0x%016llx\n", sp->r10);
- kprintf("sp->rdx: 0x%016llx\n", sp->rdx);
- kprintf("sp->rsi: 0x%016llx\n", sp->rsi);
- kprintf("sp->rdi: 0x%016llx\n", sp->rdi);
-
- postcode(0x98);
-}
-
-void
-dump_gdt(void *gdtp)
-{
- unsigned int i;
- uint32_t *ip = (uint32_t *) gdtp;
-
- kprintf("GDT:\n", ip);
- for (i = 0; i < GDTSZ; i++, ip += 2) {
- kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
- kprintf("%p: 0x%08x\n", ip+1, *(ip+1));
- }
-}
-
-void
-dump_ldt(void *ldtp)
-{
- unsigned int i;
- uint32_t *ip = (uint32_t *) ldtp;
-
- kprintf("LDT:\n", ip);
- for (i = 0; i < LDTSZ_MIN; i++, ip += 2) {
- kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
- kprintf("%p: 0x%08x\n", ip+1, *(ip+1));
- }
-}
-
-void
-dump_idt(void *idtp)
-{
- unsigned int i;
- uint32_t *ip = (uint32_t *) idtp;
-
- kprintf("IDT64:\n", ip);
- for (i = 0; i < 16; i++, ip += 4) {
- kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
- kprintf("%p: 0x%08x\n", ip+1, *(ip+1));
- kprintf("%p: 0x%08x\n", ip+2, *(ip+2));
- kprintf("%p: 0x%08x\n", ip+3, *(ip+3));
- }
-}
-
-void
-dump_tss(void *tssp)
-{
- unsigned int i;
- uint32_t *ip = (uint32_t *) tssp;
-
- kprintf("TSS64:\n", ip);
- for (i = 0; i < sizeof(master_ktss64)/sizeof(uint32_t); i++, ip++) {
- kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
- }
-}
-#endif /* DEBUG */
projects / apple / xnu.git / blobdiff