/*
- * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2006-2012 Apple 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
* 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,
* 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 <kern/thread.h>
#include <kern/zalloc.h>
-#include <kern/lock.h>
#include <kern/kalloc.h>
#include <kern/spl.h>
#include <mach/machine/vm_param.h>
#include <machine/thread.h>
-#include <kern/misc_protos.h> /* prototyping */
+#include <kern/misc_protos.h> /* prototyping */
#include <i386/misc_protos.h>
#include <i386/cpuid.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 <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_regs64(void);
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_frame32(x86_saved_state32_t *sp);
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))
+ if (is_saved_state32(sp)) {
+ dump_frame32(&sp->ss_32);
+ } else if (is_saved_state64(sp)) {
dump_frame64(&sp->ss_64);
- else
+ } else {
kprintf("dump_frame(%p) unknown type %d\n", sp, sp->flavor);
+ }
}
void
-dump_frame32(x86_saved_state_compat32_t *scp)
+dump_frame32(x86_saved_state32_t *sp)
{
- unsigned int i;
- uint32_t *ip = (uint32_t *) scp;
+ unsigned int i;
+ uint32_t *ip = (uint32_t *) sp;
+
+ kprintf("dump_frame32(%p):\n", sp);
- 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);
+ i < sizeof(x86_saved_state32_t) / sizeof(uint32_t);
+ i++, ip++) {
+ kprintf("%p: 0x%08x\n", ip, *ip);
+ }
+
+ kprintf("sp->gs: 0x%08x\n", sp->gs);
+ kprintf("sp->fs: 0x%08x\n", sp->fs);
+ kprintf("sp->es: 0x%08x\n", sp->es);
+ kprintf("sp->ds: 0x%08x\n", sp->ds);
+ kprintf("sp->edi: 0x%08x\n", sp->edi);
+ kprintf("sp->esi: 0x%08x\n", sp->esi);
+ kprintf("sp->ebp: 0x%08x\n", sp->ebp);
+ kprintf("sp->cr2: 0x%08x\n", sp->cr2);
+ kprintf("sp->ebx: 0x%08x\n", sp->ebx);
+ kprintf("sp->edx: 0x%08x\n", sp->edx);
+ kprintf("sp->ecx: 0x%08x\n", sp->ecx);
+ kprintf("sp->eax: 0x%08x\n", sp->eax);
+ kprintf("sp->trapno: 0x%08x\n", sp->eax);
+ kprintf("sp->eip: 0x%08x\n", sp->eip);
+ kprintf("sp->cs: 0x%08x\n", sp->cs);
+ kprintf("sp->efl: 0x%08x\n", sp->efl);
+ kprintf("sp->uesp: 0x%08x\n", sp->uesp);
+ kprintf("sp->ss: 0x%08x\n", sp->ss);
postcode(0x99);
}
void
dump_frame64(x86_saved_state64_t *sp)
{
- unsigned int i;
- uint64_t *ip = (uint64_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);
+ i < sizeof(x86_saved_state64_t) / sizeof(uint64_t);
+ i++, ip++) {
+ kprintf("%p: 0x%016llx\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.trapfn: 0x%016llx\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->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);
void
dump_gdt(void *gdtp)
{
- unsigned int i;
- uint32_t *ip = (uint32_t *) gdtp;
+ unsigned int i;
+ uint32_t *ip = (uint32_t *) gdtp;
- kprintf("GDT:\n", ip);
+ kprintf("GDT:\n");
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));
+ 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;
+ unsigned int i;
+ uint32_t *ip = (uint32_t *) ldtp;
- kprintf("LDT:\n", ip);
+ kprintf("LDT:\n");
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));
+ 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;
+ unsigned int i;
+ uint32_t *ip = (uint32_t *) idtp;
- kprintf("IDT64:\n", ip);
+ kprintf("IDT64:\n");
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));
+ 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;
+ 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));
+ kprintf("TSS64:\n");
+ for (i = 0; i < sizeof(master_ktss64) / sizeof(uint32_t); i++, ip++) {
+ kprintf("%p: 0x%08x\n", ip + 0, *(ip + 0));
}
}
+
+void
+dump_regs64(void)
+{
+#define SNAP_REG(reg) \
+ uint64_t reg; \
+ __asm__ volatile("mov %%" #reg ", %0" : "=m" (reg))
+
+#define KPRINT_REG(reg) \
+ kprintf("%3s: %p\n", #reg, (void *) reg)
+
+ SNAP_REG(rsp);
+ SNAP_REG(rbp);
+ SNAP_REG(rax);
+ SNAP_REG(rbx);
+ SNAP_REG(rcx);
+ SNAP_REG(rdx);
+ SNAP_REG(rsi);
+ SNAP_REG(rdi);
+ SNAP_REG(r8);
+ SNAP_REG(r9);
+ SNAP_REG(r10);
+ SNAP_REG(r11);
+ SNAP_REG(r12);
+ SNAP_REG(r13);
+ SNAP_REG(r14);
+
+ KPRINT_REG(rsp);
+ KPRINT_REG(rbp);
+ KPRINT_REG(rax);
+ KPRINT_REG(rbx);
+ KPRINT_REG(rcx);
+ KPRINT_REG(rdx);
+ KPRINT_REG(rsi);
+ KPRINT_REG(rdi);
+ KPRINT_REG(r8);
+ KPRINT_REG(r9);
+ KPRINT_REG(r10);
+ KPRINT_REG(r11);
+ KPRINT_REG(r12);
+ KPRINT_REG(r13);
+ KPRINT_REG(r14);
+}
#endif /* DEBUG */
projects / apple / xnu.git / blobdiff