/*
- * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2006-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <kern/thread.h>
#include <kern/zalloc.h>
-#include <kern/lock.h>
#include <kern/kalloc.h>
#include <kern/spl.h>
#include <i386/postcode.h>
-#ifdef __i386__
-void
-cpu_IA32e_enable(cpu_data_t *cdp)
-{
- assert(!ml_get_interrupts_enabled());
-
- if (!cdp->cpu_is64bit ||
- (rdmsr64(MSR_IA32_EFER) & MSR_IA32_EFER_LMA) != 0)
- return;
-
- postcode(CPU_IA32_ENABLE_ENTRY);
-
- /*
- * The following steps are performed by inlines so that
- * we can be assured we don't use the stack or any other
- * non-identity mapped data while paging is turned off...
- */
- /* Turn paging off */
- asm volatile(
- "mov %%cr0, %%eax \n\t"
- "andl %0, %%eax \n\t"
- "mov %%eax, %%cr0 \n\t"
- :
- : "i" (~CR0_PG)
- : "eax" );
-
- /* Pop new top level phys pg addr into CR3 */
- asm volatile(
- "mov %%eax, %%cr3 \n\t"
- :
- : "a" ((uint32_t) kernel64_cr3));
-
- /* Turn on the 64-bit mode bit */
- asm volatile(
- "rdmsr \n\t"
- "orl %1, %%eax \n\t"
- "wrmsr \n\t"
- :
- : "c" (MSR_IA32_EFER), "i" (MSR_IA32_EFER_LME)
- : "eax", "edx");
-
- /* Turn paging on again */
- asm volatile(
- "mov %%cr0, %%eax \n\t"
- "orl %0, %%eax \n\t"
- "mov %%eax, %%cr0 \n\t"
- :
- : "i" (CR0_PG)
- : "eax" );
-
-#if ONLY_SAFE_FOR_LINDA_SERIAL
- kprintf("cpu_IA32e_enable(%p)\n", cdp);
-#endif
-
- 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)
-{
- assert(!ml_get_interrupts_enabled());
-
- postcode(CPU_IA32_DISABLE_ENTRY);
-
- if (!cdp->cpu_is64bit ||
- (rdmsr64(MSR_IA32_EFER) & MSR_IA32_EFER_LMA) == 0)
- return;
-
- /*
- * The following steps are performed by inlines so that
- * we can be assured we don't use the stack or any other
- * non-identity mapped data while paging is turned off...
- */
- /* Turn paging off */
- asm volatile(
- "mov %%cr0, %%eax \n\t"
- "andl %0, %%eax \n\t"
- "mov %%eax, %%cr0 \n\t"
- :
- : "i" (~CR0_PG)
- : "eax" );
-
- /* Pop legacy top level phys pg addr into CR3 */
- asm volatile(
- "mov %%eax, %%cr3 \n\t"
- :
- : "a" ((uint32_t) lo_kernel_cr3));
-
- /* Turn off the 64-bit mode bit */
- asm volatile(
- "rdmsr \n\t"
- "andl %1, %%eax \n\t"
- "wrmsr \n\t"
- :
- : "c" (MSR_IA32_EFER), "i" (~MSR_IA32_EFER_LME)
- : "eax", "edx");
-
- /* Turn paging on again */
- asm volatile(
- "mov %%cr0, %%eax \n\t"
- "orl %0, %%eax \n\t"
- "mov %%eax, %%cr0 \n\t"
- :
- : "i" (CR0_PG)
- : "eax" );
-
- 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);
-}
-#endif
-
#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);
dump_frame(x86_saved_state_t *sp)
{
if (is_saved_state32(sp))
- dump_frame32((x86_saved_state_compat32_t *) sp);
+ dump_frame32(&sp->ss_32);
else if (is_saved_state64(sp))
dump_frame64(&sp->ss_64);
else
}
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;
+ uint32_t *ip = (uint32_t *) sp;
- kprintf("dump_frame32(%p):\n", scp);
+ kprintf("dump_frame32(%p):\n", sp);
for (i = 0;
- i < sizeof(x86_saved_state_compat32_t)/sizeof(uint32_t);
+ i < sizeof(x86_saved_state32_t)/sizeof(uint32_t);
i++, ip++)
kprintf("%p: 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);
+ 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);
}
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("%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