WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/amd64/src/boot/boot.S


#
# Copyright (C) 2005 Ondrej Palkovsky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
#include <arch/mm/page.h>	
#include <arch/mm/ptl.h>
#include <arch/pm.h>
#include <arch/cpu.h>
#include <arch/cpuid.h>
#include <arch/boot/boot.h>
 
#define START_STACK_64  0xffffffff80007c00
					
#
# This is where we require any SPARTAN-kernel-compatible boot loader
# to pass control in real mode.
#
# Protected mode tables are statically initialised during compile
# time. So we can just load the respective table registers and
# switch to protected mode.
#
 
#define START_STACK (BOOTSTRAP_OFFSET-0x400)
	
.section K_TEXT_START, "ax"
.code16
.global kernel_image_start
.global multiboot_image_start
kernel_image_start:
	cli
	xorw %ax,%ax
	movw %ax,%ds
	movw %ax,%es
	movw %ax,%ss            # initialize stack segment register
	movl $(START_STACK), %esp	# initialize stack pointer
	
	call memmap_arch_init
	
	movl $0x80000000, %eax  
	cpuid
	cmp $0x80000000, %eax 	# any function > 80000000h?
	jbe no_long_mode
	movl $(AMD_CPUID_EXTENDED), %eax # Extended function code 80000001
	cpuid
	bt $29, %edx 		# Test if long mode is supported.
	jnc no_long_mode
 
	# Load gdtr, idtr
	lgdt real_bootstrap_gdtr_boot
	
	movl %cr0,%eax
	orl $0x1,%eax
	movl %eax,%cr0			# switch to protected mode
 
	jmpl $gdtselector(KTEXT32_DES), $now_in_prot
 
no_long_mode:
1:
	jmp 1b
	
.code32
.align 4
multiboot_header:
	.long MULTIBOOT_HEADER_MAGIC
	.long MULTIBOOT_HEADER_FLAGS
	.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)	# checksum
	.long multiboot_header + BOOT_OFFSET
	.long unmapped_ktext_start + BOOT_OFFSET
	.long 0
	.long 0
	.long multiboot_image_start + BOOT_OFFSET
 
multiboot_image_start:
	movl $START_STACK, %esp				# initialize stack pointer
	
	lgdt protected_bootstrap_gdtr + BOOT_OFFSET		# initialize Global Descriptor Table register
 
	movw $gdtselector(KDATA_DES), %cx
	movw %cx, %es
	movw %cx, %gs
	movw %cx, %fs
	movw %cx, %ds							# kernel data + stack
	movw %cx, %ss
	
	jmpl $gdtselector(KTEXT_DES), $multiboot_meeting_point + BOOT_OFFSET
	multiboot_meeting_point:
	
	hlt
 
# Protected 32-bit. We want to reuse the code-seg descriptor,
# the Default operand size must not be 1 when entering long mode
now_in_prot:  
	# Set up stack & data descriptors
	movw $gdtselector(KDATA_DES), %ax
	movw %ax, %ds
	movw %ax, %ss
 
	movb $0xd1, %al		# enable A20 using the keyboard controller
	outb %al, $0x64
	movb $0xdf, %al
	outb %al, $0x60
 
	
	# Enable 64-bit page transaltion entries - CR4.PAE = 1.
	# Paging is not enabled until after long mode is enabled
	movl %cr4, %eax
	btsl $5, %eax
	movl %eax, %cr4
 
	# Set up paging tables
	leal ptl_0, %eax
	movl %eax, %cr3
	
	# Enable long mode
	movl $EFER_MSR_NUM, %ecx   # EFER MSR number
	rdmsr                   # Read EFER
	btsl $AMD_LME_FLAG, %eax            # Set LME=1
	wrmsr                   # Write EFER
	
	# Enable paging to activate long mode (set CR0.PG=1)
	movl %cr0, %eax
	btsl $31, %eax
	movl %eax, %cr0
	
	# At this point we are in compatibility mode
	jmpl $gdtselector(KTEXT_DES), $start64
 
.code64
start64:
	movq $(PA2KA(START_STACK)), %rsp
 
	# Copy kernel to higher physical memory
	movq $BOOTSTRAP_OFFSET, %rsi
	movq $BOOTSTRAP_OFFSET + BOOT_OFFSET, %rdi
	movq $_hardcoded_kernel_size, %rcx
	cld
	rep movsb
	
	call main_bsp   # never returns
1:
	jmp 1b
				
.section K_DATA_START, "aw", @progbits
.align 4096
 
# Identical mapping of first 64MB and the same of -2GB -> 0	
.global ptl_2
ptl_2:	
	.quad 0x0 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0xa00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0xc00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0xe00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x1e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x2e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	.quad 0x3e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE)
	
.align 4096
.global ptl_1
ptl_1:
	.quad ptl_2 + (PTL_WRITABLE | PTL_PRESENT)
	.fill 509,8,0
	.quad ptl_2 + (PTL_WRITABLE | PTL_PRESENT)
	.fill 1,8,0
	
.align 4096
.global ptl_0
ptl_0:
	.quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT)
	.fill 510,8,0
	.quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT)
 
.global real_bootstrap_gdtr_boot
real_bootstrap_gdtr_boot:
	.word gdtselector(GDT_ITEMS)
	.long KA2PA(gdt)-BOOT_OFFSET
 
.global protected_bootstrap_gdtr
protected_bootstrap_gdtr:
	.word gdtselector(GDT_ITEMS)
	.long KA2PA(gdt)
 

Rev 680	Rev 685
1	#	1	#
2	# Copyright (C) 2005 Ondrej Palkovsky	2	# Copyright (C) 2005 Ondrej Palkovsky
3	# All rights reserved.	3	# All rights reserved.
4	#	4	#
5	# Redistribution and use in source and binary forms, with or without	5	# Redistribution and use in source and binary forms, with or without
6	# modification, are permitted provided that the following conditions	6	# modification, are permitted provided that the following conditions
7	# are met:	7	# are met:
8	#	8	#
9	# - Redistributions of source code must retain the above copyright	9	# - Redistributions of source code must retain the above copyright
10	# notice, this list of conditions and the following disclaimer.	10	# notice, this list of conditions and the following disclaimer.
11	# - Redistributions in binary form must reproduce the above copyright	11	# - Redistributions in binary form must reproduce the above copyright
12	# notice, this list of conditions and the following disclaimer in the	12	# notice, this list of conditions and the following disclaimer in the
13	# documentation and/or other materials provided with the distribution.	13	# documentation and/or other materials provided with the distribution.
14	# - The name of the author may not be used to endorse or promote products	14	# - The name of the author may not be used to endorse or promote products
15	# derived from this software without specific prior written permission.	15	# derived from this software without specific prior written permission.
16	#	16	#
17	# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	#	27	#
28		28
29	#include <arch/mm/page.h>	29	#include <arch/mm/page.h>
30	#include <arch/mm/ptl.h>	30	#include <arch/mm/ptl.h>
31	#include <arch/pm.h>	31	#include <arch/pm.h>
32	#include <arch/cpu.h>	32	#include <arch/cpu.h>
33	#include <arch/cpuid.h>	33	#include <arch/cpuid.h>
34	#include <arch/boot/boot.h>	34	#include <arch/boot/boot.h>
35		35
36	#define START_STACK_64 0xffffffff80007c00	36	#define START_STACK_64 0xffffffff80007c00
37		37
38	#	38	#
39	# This is where we require any SPARTAN-kernel-compatible boot loader	39	# This is where we require any SPARTAN-kernel-compatible boot loader
40	# to pass control in real mode.	40	# to pass control in real mode.
41	#	41	#
42	# Protected mode tables are statically initialised during compile	42	# Protected mode tables are statically initialised during compile
43	# time. So we can just load the respective table registers and	43	# time. So we can just load the respective table registers and
44	# switch to protected mode.	44	# switch to protected mode.
45	#	45	#
46		46
47	#define START_STACK (BOOTSTRAP_OFFSET-0x400)	47	#define START_STACK (BOOTSTRAP_OFFSET-0x400)
48		48
49	.section K_TEXT_START, "ax"	49	.section K_TEXT_START, "ax"
50	.code16	50	.code16
51	.global kernel_image_start	51	.global kernel_image_start
-		52	.global multiboot_image_start
52	kernel_image_start:	53	kernel_image_start:
53	cli	54	cli
54	xorw %ax,%ax	55	xorw %ax,%ax
55	movw %ax,%ds	56	movw %ax,%ds
56	movw %ax,%es	57	movw %ax,%es
57	movw %ax,%ss # initialize stack segment register	58	movw %ax,%ss # initialize stack segment register
58	movl $(START_STACK), %esp # initialize stack pointer	59	movl $(START_STACK), %esp # initialize stack pointer
59		60
60	call memmap_arch_init	61	call memmap_arch_init
61		62
62	movl $0x80000000, %eax	63	movl $0x80000000, %eax
63	cpuid	64	cpuid
64	cmp $0x80000000, %eax # any function > 80000000h?	65	cmp $0x80000000, %eax # any function > 80000000h?
65	jbe no_long_mode	66	jbe no_long_mode
66	movl $(AMD_CPUID_EXTENDED), %eax # Extended function code 80000001	67	movl $(AMD_CPUID_EXTENDED), %eax # Extended function code 80000001
67	cpuid	68	cpuid
68	bt $29, %edx # Test if long mode is supported.	69	bt $29, %edx # Test if long mode is supported.
69	jnc no_long_mode	70	jnc no_long_mode
70		71
71	# Load gdtr, idtr	72	# Load gdtr, idtr
72	lgdt real_bootstrap_gdtr_boot	73	lgdt real_bootstrap_gdtr_boot
73		74
74	movl %cr0,%eax	75	movl %cr0,%eax
75	orl $0x1,%eax	76	orl $0x1,%eax
76	movl %eax,%cr0 # switch to protected mode	77	movl %eax,%cr0 # switch to protected mode
77		78
78	jmpl $gdtselector(KTEXT32_DES), $now_in_prot	79	jmpl $gdtselector(KTEXT32_DES), $now_in_prot
79		80
80	no_long_mode:	81	no_long_mode:
81	1:	82	1:
82	jmp 1b	83	jmp 1b
83		84
84	.code32	85	.code32
85	.align 4	86	.align 4
86	multiboot_header:	87	multiboot_header:
87	.long MULTIBOOT_HEADER_MAGIC	88	.long MULTIBOOT_HEADER_MAGIC
88	.long MULTIBOOT_HEADER_FLAGS	89	.long MULTIBOOT_HEADER_FLAGS
89	.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum	90	.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum
90	.long multiboot_header + BOOT_OFFSET	91	.long multiboot_header + BOOT_OFFSET
91	.long unmapped_ktext_start + BOOT_OFFSET	92	.long unmapped_ktext_start + BOOT_OFFSET
92	.long 0	93	.long 0
93	.long 0	94	.long 0
94	.long multiboot_image_start + BOOT_OFFSET	95	.long multiboot_image_start + BOOT_OFFSET
95		96
96	multiboot_image_start:	97	multiboot_image_start:
97	movl $START_STACK, %esp # initialize stack pointer	98	movl $START_STACK, %esp # initialize stack pointer
-		99
-		100	lgdt protected_bootstrap_gdtr + BOOT_OFFSET # initialize Global Descriptor Table register
-		101
-		102	movw $gdtselector(KDATA_DES), %cx
-		103	movw %cx, %es
-		104	movw %cx, %gs
98	# FIXME TODO	105	movw %cx, %fs
-		106	movw %cx, %ds # kernel data + stack
-		107	movw %cx, %ss
-		108
-		109	jmpl $gdtselector(KTEXT_DES), $multiboot_meeting_point + BOOT_OFFSET
-		110	multiboot_meeting_point:
-		111
-		112	hlt
99		113
100	# Protected 32-bit. We want to reuse the code-seg descriptor,	114	# Protected 32-bit. We want to reuse the code-seg descriptor,
101	# the Default operand size must not be 1 when entering long mode	115	# the Default operand size must not be 1 when entering long mode
102	now_in_prot:	116	now_in_prot:
103	# Set up stack & data descriptors	117	# Set up stack & data descriptors
104	movw $gdtselector(KDATA_DES), %ax	118	movw $gdtselector(KDATA_DES), %ax
105	movw %ax, %ds	119	movw %ax, %ds
106	movw %ax, %ss	120	movw %ax, %ss
107		121
108	movb $0xd1, %al # enable A20 using the keyboard controller	122	movb $0xd1, %al # enable A20 using the keyboard controller
109	outb %al, $0x64	123	outb %al, $0x64
110	movb $0xdf, %al	124	movb $0xdf, %al
111	outb %al, $0x60	125	outb %al, $0x60
112		126
113		127
114	# Enable 64-bit page transaltion entries - CR4.PAE = 1.	128	# Enable 64-bit page transaltion entries - CR4.PAE = 1.
115	# Paging is not enabled until after long mode is enabled	129	# Paging is not enabled until after long mode is enabled
116	movl %cr4, %eax	130	movl %cr4, %eax
117	btsl $5, %eax	131	btsl $5, %eax
118	movl %eax, %cr4	132	movl %eax, %cr4
119		133
120	# Set up paging tables	134	# Set up paging tables
121	leal ptl_0, %eax	135	leal ptl_0, %eax
122	movl %eax, %cr3	136	movl %eax, %cr3
123		137
124	# Enable long mode	138	# Enable long mode
125	movl $EFER_MSR_NUM, %ecx # EFER MSR number	139	movl $EFER_MSR_NUM, %ecx # EFER MSR number
126	rdmsr # Read EFER	140	rdmsr # Read EFER
127	btsl $AMD_LME_FLAG, %eax # Set LME=1	141	btsl $AMD_LME_FLAG, %eax # Set LME=1
128	wrmsr # Write EFER	142	wrmsr # Write EFER
129		143
130	# Enable paging to activate long mode (set CR0.PG=1)	144	# Enable paging to activate long mode (set CR0.PG=1)
131	movl %cr0, %eax	145	movl %cr0, %eax
132	btsl $31, %eax	146	btsl $31, %eax
133	movl %eax, %cr0	147	movl %eax, %cr0
134		148
135	# At this point we are in compatibility mode	149	# At this point we are in compatibility mode
136	jmpl $gdtselector(KTEXT_DES), $start64	150	jmpl $gdtselector(KTEXT_DES), $start64
137		151
138	.code64	152	.code64
139	start64:	153	start64:
140	movq $(PA2KA(START_STACK)), %rsp	154	movq $(PA2KA(START_STACK)), %rsp
141		155
142	# Copy kernel to higher physical memory	156	# Copy kernel to higher physical memory
143	movq $BOOTSTRAP_OFFSET, %rsi	157	movq $BOOTSTRAP_OFFSET, %rsi
144	movq $BOOTSTRAP_OFFSET + BOOT_OFFSET, %rdi	158	movq $BOOTSTRAP_OFFSET + BOOT_OFFSET, %rdi
145	movq $_hardcoded_kernel_size, %rcx	159	movq $_hardcoded_kernel_size, %rcx
146	cld	160	cld
147	rep movsb	161	rep movsb
148		162
149	call main_bsp # never returns	163	call main_bsp # never returns
150	1:	164	1:
151	jmp 1b	165	jmp 1b
152		166
153	.section K_DATA_START, "aw", @progbits	167	.section K_DATA_START, "aw", @progbits
154	.align 4096	168	.align 4096
155		169
156	# Identical mapping of first 64MB and the same of -2GB -> 0	170	# Identical mapping of first 64MB and the same of -2GB -> 0
157	.global ptl_2	171	.global ptl_2
158	ptl_2:	172	ptl_2:
159	.quad 0x0 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	173	.quad 0x0 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
160	.quad 0x200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	174	.quad 0x200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
161	.quad 0x400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	175	.quad 0x400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
162	.quad 0x600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	176	.quad 0x600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
163	.quad 0x800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	177	.quad 0x800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
164	.quad 0xa00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	178	.quad 0xa00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
165	.quad 0xc00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	179	.quad 0xc00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
166	.quad 0xe00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	180	.quad 0xe00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
167	.quad 0x1000000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	181	.quad 0x1000000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
168	.quad 0x1200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	182	.quad 0x1200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
169	.quad 0x1400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	183	.quad 0x1400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
170	.quad 0x1600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	184	.quad 0x1600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
171	.quad 0x1800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	185	.quad 0x1800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
172	.quad 0x1a00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	186	.quad 0x1a00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
173	.quad 0x1c00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	187	.quad 0x1c00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
174	.quad 0x1e00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	188	.quad 0x1e00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
175	.quad 0x2000000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	189	.quad 0x2000000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
176	.quad 0x2200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	190	.quad 0x2200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
177	.quad 0x2400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	191	.quad 0x2400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
178	.quad 0x2600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	192	.quad 0x2600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
179	.quad 0x2800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	193	.quad 0x2800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
180	.quad 0x2a00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	194	.quad 0x2a00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
181	.quad 0x2c00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	195	.quad 0x2c00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
182	.quad 0x2e00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	196	.quad 0x2e00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
183	.quad 0x3000000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	197	.quad 0x3000000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
184	.quad 0x3200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	198	.quad 0x3200000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
185	.quad 0x3400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	199	.quad 0x3400000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
186	.quad 0x3600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	200	.quad 0x3600000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
187	.quad 0x3800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	201	.quad 0x3800000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
188	.quad 0x3a00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	202	.quad 0x3a00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
189	.quad 0x3c00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	203	.quad 0x3c00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
190	.quad 0x3e00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)	204	.quad 0x3e00000 \| (PTL_WRITABLE \| PTL_PRESENT \| PTL_2MB_PAGE)
191		205
192	.align 4096	206	.align 4096
193	.global ptl_1	207	.global ptl_1
194	ptl_1:	208	ptl_1:
195	.quad ptl_2 + (PTL_WRITABLE \| PTL_PRESENT)	209	.quad ptl_2 + (PTL_WRITABLE \| PTL_PRESENT)
196	.fill 509,8,0	210	.fill 509,8,0
197	.quad ptl_2 + (PTL_WRITABLE \| PTL_PRESENT)	211	.quad ptl_2 + (PTL_WRITABLE \| PTL_PRESENT)
198	.fill 1,8,0	212	.fill 1,8,0
199		213
200	.align 4096	214	.align 4096
201	.global ptl_0	215	.global ptl_0
202	ptl_0:	216	ptl_0:
203	.quad ptl_1 + (PTL_WRITABLE \| PTL_PRESENT)	217	.quad ptl_1 + (PTL_WRITABLE \| PTL_PRESENT)
204	.fill 510,8,0	218	.fill 510,8,0
205	.quad ptl_1 + (PTL_WRITABLE \| PTL_PRESENT)	219	.quad ptl_1 + (PTL_WRITABLE \| PTL_PRESENT)
206		220
207	.global real_bootstrap_gdtr_boot	221	.global real_bootstrap_gdtr_boot
208	real_bootstrap_gdtr_boot:	222	real_bootstrap_gdtr_boot:
209	.word gdtselector(GDT_ITEMS)	223	.word gdtselector(GDT_ITEMS)
210	.long KA2PA(gdt)-BOOT_OFFSET	224	.long KA2PA(gdt)-BOOT_OFFSET
-		225
-		226	.global protected_bootstrap_gdtr
-		227	protected_bootstrap_gdtr:
-		228	.word gdtselector(GDT_ITEMS)
-		229	.long KA2PA(gdt)
211		230

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(root)/kernel/trunk/arch/amd64/src/boot/boot.S – Rev 680 → 685