X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/316670eb35587141e969394ae8537d66b9211e80..3e170ce000f1506b7b5d2c5c7faec85ceabb573d:/osfmk/i386/startup64.c?ds=inline diff --git a/osfmk/i386/startup64.c b/osfmk/i386/startup64.c index b4f69f741..ddf892451 100644 --- a/osfmk/i386/startup64.c +++ b/osfmk/i386/startup64.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2006-2012 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -34,7 +34,6 @@ #include #include -#include #include #include @@ -65,135 +64,13 @@ #include -#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); @@ -201,7 +78,7 @@ void 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 @@ -209,44 +86,36 @@ dump_frame(x86_saved_state_t *sp) } 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); } @@ -285,9 +154,6 @@ dump_frame64(x86_saved_state64_t *sp) 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); @@ -351,7 +217,6 @@ dump_tss(void *tssp) } } -#if defined(__x86_64__) void dump_regs64(void) { @@ -394,5 +259,4 @@ void dump_regs64(void) KPRINT_REG(r13); KPRINT_REG(r14); } -#endif /* __x86_64__ */ #endif /* DEBUG */