[apple/xnu.git] / osfmk / i386 / startup64.c

/*
 * 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
 * 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/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/seg.h>

#include <vm/vm_protos.h>

#include <sys/kdebug.h>

#include <i386/postcode.h>

#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_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(&sp->ss_32);
	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_state32_t *sp)
{
	unsigned int	i;
	uint32_t	*ip = (uint32_t *) sp;

	kprintf("dump_frame32(%p):\n", sp);
	
	for (i = 0;
	     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;

	kprintf("dump_frame64(%p):\n", sp);
	
	for (i = 0;
	     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%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->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->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");
	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");
	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");
	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");
	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 */
Commit	Line	Data
0c530ab8	1	/*
39236c6e	2	* Copyright (c) 2006-2012 Apple Inc. All rights reserved.
0c530ab8	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0c530ab8	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
0c530ab8	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
0c530ab8 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
0c530ab8 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
0c530ab8	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
0c530ab8 A	27	*/
	28
	29	#include <string.h>
	30
	31	#include <mach/machine/vm_types.h>
	32
	33	#include <mach/boolean.h>
	34	#include <kern/thread.h>
	35	#include <kern/zalloc.h>
	36
0c530ab8 A	37	#include <kern/kalloc.h>
	38	#include <kern/spl.h>
	39
	40	#include <vm/pmap.h>
	41	#include <vm/vm_map.h>
	42	#include <vm/vm_kern.h>
	43	#include <mach/vm_param.h>
	44	#include <mach/vm_prot.h>
	45	#include <vm/vm_object.h>
	46	#include <vm/vm_page.h>
	47
	48	#include <mach/machine/vm_param.h>
	49	#include <machine/thread.h>
	50
	51	#include <kern/misc_protos.h> /* prototyping */
	52	#include <i386/misc_protos.h>
	53
	54	#include <i386/cpuid.h>
	55	#include <i386/cpu_data.h>
	56	#include <i386/mp.h>
	57	#include <i386/cpu_number.h>
	58	#include <i386/machine_cpu.h>
0c530ab8 A	59	#include <i386/seg.h>
	60
	61	#include <vm/vm_protos.h>
	62
	63	#include <sys/kdebug.h>
	64
	65	#include <i386/postcode.h>
	66
0c530ab8	67	#if DEBUG
316670eb	68	extern void dump_regs64(void);
0c530ab8 A	69	extern void dump_gdt(void *);
	70	extern void dump_ldt(void *);
	71	extern void dump_idt(void *);
	72	extern void dump_tss(void *);
39236c6e	73	extern void dump_frame32(x86_saved_state32_t *sp);
0c530ab8 A	74	extern void dump_frame64(x86_saved_state64_t *sp);
	75	extern void dump_frame(x86_saved_state_t *sp);
	76
	77	void
	78	dump_frame(x86_saved_state_t *sp)
	79	{
	80	if (is_saved_state32(sp))
39236c6e	81	dump_frame32(&sp->ss_32);
0c530ab8 A	82	else if (is_saved_state64(sp))
	83	dump_frame64(&sp->ss_64);
	84	else
	85	kprintf("dump_frame(%p) unknown type %d\n", sp, sp->flavor);
	86	}
	87
	88	void
39236c6e	89	dump_frame32(x86_saved_state32_t *sp)
0c530ab8 A	90	{
0c530ab8 A	91	unsigned int i;
39236c6e	92	uint32_t ip = (uint32_t ) sp;
0c530ab8	93
39236c6e	94	kprintf("dump_frame32(%p):\n", sp);
0c530ab8 A	95
0c530ab8 A	96	for (i = 0;
39236c6e	97	i < sizeof(x86_saved_state32_t)/sizeof(uint32_t);
0c530ab8	98	i++, ip++)
2d21ac55	99	kprintf("%p: 0x%08x\n", ip, *ip);
0c530ab8	100
39236c6e A	101	kprintf("sp->gs: 0x%08x\n", sp->gs);
	102	kprintf("sp->fs: 0x%08x\n", sp->fs);
	103	kprintf("sp->es: 0x%08x\n", sp->es);
	104	kprintf("sp->ds: 0x%08x\n", sp->ds);
	105	kprintf("sp->edi: 0x%08x\n", sp->edi);
	106	kprintf("sp->esi: 0x%08x\n", sp->esi);
	107	kprintf("sp->ebp: 0x%08x\n", sp->ebp);
	108	kprintf("sp->cr2: 0x%08x\n", sp->cr2);
	109	kprintf("sp->ebx: 0x%08x\n", sp->ebx);
	110	kprintf("sp->edx: 0x%08x\n", sp->edx);
	111	kprintf("sp->ecx: 0x%08x\n", sp->ecx);
	112	kprintf("sp->eax: 0x%08x\n", sp->eax);
	113	kprintf("sp->trapno: 0x%08x\n", sp->eax);
	114	kprintf("sp->eip: 0x%08x\n", sp->eip);
	115	kprintf("sp->cs: 0x%08x\n", sp->cs);
	116	kprintf("sp->efl: 0x%08x\n", sp->efl);
	117	kprintf("sp->uesp: 0x%08x\n", sp->uesp);
	118	kprintf("sp->ss: 0x%08x\n", sp->ss);
0c530ab8 A	119
	120	postcode(0x99);
	121	}
	122
	123	void
	124	dump_frame64(x86_saved_state64_t *sp)
	125	{
	126	unsigned int i;
	127	uint64_t ip = (uint64_t ) sp;
	128
	129	kprintf("dump_frame64(%p):\n", sp);
	130
	131	for (i = 0;
	132	i < sizeof(x86_saved_state64_t)/sizeof(uint64_t);
	133	i++, ip++)
2d21ac55	134	kprintf("%p: 0x%016llx\n", ip, *ip);
0c530ab8 A	135
0c530ab8 A	136	kprintf("sp->isf.trapno: 0x%08x\n", sp->isf.trapno);
b0d623f7	137	kprintf("sp->isf.trapfn: 0x%016llx\n", sp->isf.trapfn);
0c530ab8 A	138	kprintf("sp->isf.err: 0x%016llx\n", sp->isf.err);
	139	kprintf("sp->isf.rip: 0x%016llx\n", sp->isf.rip);
	140	kprintf("sp->isf.cs: 0x%016llx\n", sp->isf.cs);
	141	kprintf("sp->isf.rflags: 0x%016llx\n", sp->isf.rflags);
	142	kprintf("sp->isf.rsp: 0x%016llx\n", sp->isf.rsp);
	143	kprintf("sp->isf.ss: 0x%016llx\n", sp->isf.ss);
	144
	145	kprintf("sp->fs: 0x%016x\n", sp->fs);
	146	kprintf("sp->gs: 0x%016x\n", sp->gs);
	147	kprintf("sp->rax: 0x%016llx\n", sp->rax);
	148	kprintf("sp->rcx: 0x%016llx\n", sp->rcx);
	149	kprintf("sp->rbx: 0x%016llx\n", sp->rbx);
	150	kprintf("sp->rbp: 0x%016llx\n", sp->rbp);
	151	kprintf("sp->r11: 0x%016llx\n", sp->r11);
	152	kprintf("sp->r12: 0x%016llx\n", sp->r12);
	153	kprintf("sp->r13: 0x%016llx\n", sp->r13);
	154	kprintf("sp->r14: 0x%016llx\n", sp->r14);
	155	kprintf("sp->r15: 0x%016llx\n", sp->r15);
	156	kprintf("sp->cr2: 0x%016llx\n", sp->cr2);
0c530ab8 A	157	kprintf("sp->r9: 0x%016llx\n", sp->r9);
	158	kprintf("sp->r8: 0x%016llx\n", sp->r8);
	159	kprintf("sp->r10: 0x%016llx\n", sp->r10);
	160	kprintf("sp->rdx: 0x%016llx\n", sp->rdx);
	161	kprintf("sp->rsi: 0x%016llx\n", sp->rsi);
	162	kprintf("sp->rdi: 0x%016llx\n", sp->rdi);
	163
	164	postcode(0x98);
	165	}
	166
	167	void
	168	dump_gdt(void *gdtp)
	169	{
	170	unsigned int i;
	171	uint32_t ip = (uint32_t ) gdtp;
	172
2d21ac55	173	kprintf("GDT:\n");
0c530ab8 A	174	for (i = 0; i < GDTSZ; i++, ip += 2) {
	175	kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
	176	kprintf("%p: 0x%08x\n", ip+1, *(ip+1));
	177	}
	178	}
	179
	180	void
	181	dump_ldt(void *ldtp)
	182	{
	183	unsigned int i;
	184	uint32_t ip = (uint32_t ) ldtp;
	185
2d21ac55	186	kprintf("LDT:\n");
0c530ab8 A	187	for (i = 0; i < LDTSZ_MIN; i++, ip += 2) {
	188	kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
	189	kprintf("%p: 0x%08x\n", ip+1, *(ip+1));
	190	}
	191	}
	192
	193	void
	194	dump_idt(void *idtp)
	195	{
	196	unsigned int i;
	197	uint32_t ip = (uint32_t ) idtp;
	198
2d21ac55	199	kprintf("IDT64:\n");
0c530ab8 A	200	for (i = 0; i < 16; i++, ip += 4) {
	201	kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
	202	kprintf("%p: 0x%08x\n", ip+1, *(ip+1));
	203	kprintf("%p: 0x%08x\n", ip+2, *(ip+2));
	204	kprintf("%p: 0x%08x\n", ip+3, *(ip+3));
	205	}
	206	}
	207
	208	void
	209	dump_tss(void *tssp)
	210	{
	211	unsigned int i;
	212	uint32_t ip = (uint32_t ) tssp;
	213
2d21ac55	214	kprintf("TSS64:\n");
0c530ab8 A	215	for (i = 0; i < sizeof(master_ktss64)/sizeof(uint32_t); i++, ip++) {
	216	kprintf("%p: 0x%08x\n", ip+0, *(ip+0));
	217	}
	218	}
316670eb	219
316670eb A	220	void dump_regs64(void)
	221	{
	222
	223	#define SNAP_REG(reg) \
	224	uint64_t reg; \
	225	__asm__ volatile("mov %%" #reg ", %0" : "=m" (reg))
	226
	227	#define KPRINT_REG(reg) \
	228	kprintf("%3s: %p\n", #reg, (void *) reg)
	229
	230	SNAP_REG(rsp);
	231	SNAP_REG(rbp);
	232	SNAP_REG(rax);
	233	SNAP_REG(rbx);
	234	SNAP_REG(rcx);
	235	SNAP_REG(rdx);
	236	SNAP_REG(rsi);
	237	SNAP_REG(rdi);
	238	SNAP_REG(r8);
	239	SNAP_REG(r9);
	240	SNAP_REG(r10);
	241	SNAP_REG(r11);
	242	SNAP_REG(r12);
	243	SNAP_REG(r13);
	244	SNAP_REG(r14);
	245
	246	KPRINT_REG(rsp);
	247	KPRINT_REG(rbp);
	248	KPRINT_REG(rax);
	249	KPRINT_REG(rbx);
	250	KPRINT_REG(rcx);
	251	KPRINT_REG(rdx);
	252	KPRINT_REG(rsi);
	253	KPRINT_REG(rdi);
	254	KPRINT_REG(r8);
	255	KPRINT_REG(r9);
	256	KPRINT_REG(r10);
	257	KPRINT_REG(r11);
	258	KPRINT_REG(r12);
	259	KPRINT_REG(r13);
	260	KPRINT_REG(r14);
	261	}
0c530ab8	262	#endif /* DEBUG */