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1 | # |
1 | # |
2 | # Copyright (C) 2005 Ondrej Palkovsky |
2 | # Copyright (C) 2005 Ondrej Palkovsky |
- | 3 | # Copyright (C) 2006 Martin Decky |
|
3 | # All rights reserved. |
4 | # All rights reserved. |
4 | # |
5 | # |
5 | # Redistribution and use in source and binary forms, with or without |
6 | # Redistribution and use in source and binary forms, with or without |
6 | # modification, are permitted provided that the following conditions |
7 | # modification, are permitted provided that the following conditions |
7 | # are met: |
8 | # are met: |
8 | # |
9 | # |
9 | # - Redistributions of source code must retain the above copyright |
10 | # - Redistributions of source code must retain the above copyright |
10 | # notice, this list of conditions and the following disclaimer. |
11 | # notice, this list of conditions and the following disclaimer. |
11 | # - Redistributions in binary form must reproduce the above copyright |
12 | # - Redistributions in binary form must reproduce the above copyright |
12 | # notice, this list of conditions and the following disclaimer in the |
13 | # notice, this list of conditions and the following disclaimer in the |
13 | # documentation and/or other materials provided with the distribution. |
14 | # documentation and/or other materials provided with the distribution. |
14 | # - The name of the author may not be used to endorse or promote products |
15 | # - The name of the author may not be used to endorse or promote products |
15 | # derived from this software without specific prior written permission. |
16 | # derived from this software without specific prior written permission. |
16 | # |
17 | # |
17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | # (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. |
27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | # |
28 | # |
28 | 29 | ||
29 | #include <arch/boot/boot.h> |
30 | #include <arch/boot/boot.h> |
30 | #include <arch/boot/memmap.h> |
31 | #include <arch/boot/memmap.h> |
31 | #include <arch/mm/page.h> |
32 | #include <arch/mm/page.h> |
32 | #include <arch/mm/ptl.h> |
33 | #include <arch/mm/ptl.h> |
33 | #include <arch/pm.h> |
34 | #include <arch/pm.h> |
34 | #include <arch/cpu.h> |
35 | #include <arch/cpu.h> |
35 | #include <arch/cpuid.h> |
36 | #include <arch/cpuid.h> |
36 | 37 | ||
37 | #define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE) |
38 | #define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE) |
38 | 39 | ||
39 | .section K_TEXT_START, "ax" |
40 | .section K_TEXT_START, "ax" |
40 | # .code16 |
- | |
41 | # .global kernel_image_start |
- | |
42 | # .global multiboot_image_start |
- | |
43 | # kernel_image_start: |
- | |
44 | 41 | ||
45 | # movl $0x80000000, %eax |
- | |
46 | # cpuid |
- | |
47 | # cmp $0x80000000, %eax # any function > 80000000h? |
- | |
48 | # jbe no_long_mode |
- | |
49 | # movl $(AMD_CPUID_EXTENDED), %eax # Extended function code 80000001 |
- | |
50 | # cpuid |
- | |
51 | # bt $29, %edx # Test if long mode is supported. |
- | |
52 | # jnc no_long_mode |
- | |
53 | # |
- | |
54 | # |
- | |
55 | # no_long_mode: |
- | |
56 | # 1: |
- | |
57 | # jmp 1b |
- | |
58 | # |
- | |
59 | .code32 |
42 | .code32 |
60 | .align 4 |
43 | .align 4 |
61 | .global multiboot_image_start |
44 | .global multiboot_image_start |
62 | multiboot_header: |
45 | multiboot_header: |
63 | .long MULTIBOOT_HEADER_MAGIC |
46 | .long MULTIBOOT_HEADER_MAGIC |
64 | .long MULTIBOOT_HEADER_FLAGS |
47 | .long MULTIBOOT_HEADER_FLAGS |
65 | .long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
48 | .long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
66 | .long multiboot_header |
49 | .long multiboot_header |
67 | .long unmapped_ktext_start |
50 | .long unmapped_ktext_start |
68 | .long 0 |
51 | .long 0 |
69 | .long 0 |
52 | .long 0 |
70 | .long multiboot_image_start |
53 | .long multiboot_image_start |
71 | 54 | ||
72 | multiboot_image_start: |
55 | multiboot_image_start: |
73 | movl $START_STACK, %esp # initialize stack pointer |
56 | movl $START_STACK, %esp # initialize stack pointer |
74 | lgdt bootstrap_gdtr # initialize Global Descriptor Table register |
57 | lgdt bootstrap_gdtr # initialize Global Descriptor Table register |
75 | 58 | ||
76 | movw $gdtselector(KDATA_DES), %cx |
59 | movw $gdtselector(KDATA_DES), %cx |
77 | movw %cx, %es |
60 | movw %cx, %es |
78 | movw %cx, %gs |
61 | movw %cx, %gs |
79 | movw %cx, %fs |
62 | movw %cx, %fs |
80 | movw %cx, %ds # kernel data + stack |
63 | movw %cx, %ds # kernel data + stack |
81 | movw %cx, %ss |
64 | movw %cx, %ss |
82 | 65 | ||
83 | jmpl $gdtselector(KTEXT32_DES), $multiboot_meeting_point |
66 | jmpl $gdtselector(KTEXT32_DES), $multiboot_meeting_point |
84 | multiboot_meeting_point: |
67 | multiboot_meeting_point: |
85 | 68 | ||
86 | movl %eax, grub_eax # save parameters from GRUB |
69 | movl %eax, grub_eax # save parameters from GRUB |
87 | movl %ebx, grub_ebx |
70 | movl %ebx, grub_ebx |
88 | 71 | ||
89 | # Protected 32-bit. We want to reuse the code-seg descriptor, |
72 | # Protected 32-bit. We want to reuse the code-seg descriptor, |
90 | # the Default operand size must not be 1 when entering long mode |
73 | # the Default operand size must not be 1 when entering long mode |
91 | 74 | ||
- | 75 | movl $0x80000000, %eax |
|
- | 76 | cpuid |
|
- | 77 | cmp $0x80000000, %eax # any function > 80000000h? |
|
- | 78 | jbe long_mode_unsupported |
|
- | 79 | movl $(AMD_CPUID_EXTENDED), %eax # Extended function code 80000001 |
|
- | 80 | cpuid |
|
- | 81 | bt $29, %edx # Test if long mode is supported. |
|
- | 82 | jc long_mode_supported |
|
- | 83 | ||
- | 84 | long_mode_unsupported: |
|
- | 85 | cli |
|
- | 86 | hlt |
|
- | 87 | ||
- | 88 | long_mode_supported: |
|
- | 89 | ||
92 | # Enable 64-bit page transaltion entries - CR4.PAE = 1. |
90 | # Enable 64-bit page transaltion entries - CR4.PAE = 1. |
93 | # Paging is not enabled until after long mode is enabled |
91 | # Paging is not enabled until after long mode is enabled |
94 | 92 | ||
95 | movl %cr4, %eax |
93 | movl %cr4, %eax |
96 | btsl $5, %eax |
94 | btsl $5, %eax |
97 | movl %eax, %cr4 |
95 | movl %eax, %cr4 |
98 | 96 | ||
99 | # Set up paging tables |
97 | # Set up paging tables |
100 | 98 | ||
101 | leal ptl_0, %eax |
99 | leal ptl_0, %eax |
102 | movl %eax, %cr3 |
100 | movl %eax, %cr3 |
103 | 101 | ||
104 | # Enable long mode |
102 | # Enable long mode |
105 | 103 | ||
106 | movl $EFER_MSR_NUM, %ecx # EFER MSR number |
104 | movl $EFER_MSR_NUM, %ecx # EFER MSR number |
107 | rdmsr # Read EFER |
105 | rdmsr # Read EFER |
108 | btsl $AMD_LME_FLAG, %eax # Set LME=1 |
106 | btsl $AMD_LME_FLAG, %eax # Set LME=1 |
109 | wrmsr # Write EFER |
107 | wrmsr # Write EFER |
110 | 108 | ||
111 | # Enable paging to activate long mode (set CR0.PG=1) |
109 | # Enable paging to activate long mode (set CR0.PG=1) |
112 | 110 | ||
113 | movl %cr0, %eax |
111 | movl %cr0, %eax |
114 | btsl $31, %eax |
112 | btsl $31, %eax |
115 | movl %eax, %cr0 |
113 | movl %eax, %cr0 |
116 | 114 | ||
117 | # At this point we are in compatibility mode |
115 | # At this point we are in compatibility mode |
118 | 116 | ||
119 | jmpl $gdtselector(KTEXT_DES), $start64 |
117 | jmpl $gdtselector(KTEXT_DES), $start64 |
120 | 118 | ||
121 | .code64 |
119 | .code64 |
122 | start64: |
120 | start64: |
123 | movq $(PA2KA(START_STACK)), %rsp |
121 | movq $(PA2KA(START_STACK)), %rsp |
124 | movl grub_eax, %eax |
122 | movl grub_eax, %eax |
125 | movl grub_ebx, %ebx |
123 | movl grub_ebx, %ebx |
126 | 124 | ||
127 | cmpl $MULTIBOOT_LOADER_MAGIC, %eax # compare GRUB signature |
125 | cmpl $MULTIBOOT_LOADER_MAGIC, %eax # compare GRUB signature |
128 | je valid_boot |
126 | je valid_boot |
129 | 127 | ||
130 | xorl %ecx, %ecx # no memory size or map available |
128 | xorl %ecx, %ecx # no memory size or map available |
131 | movl %ecx, e801memorysize |
129 | movl %ecx, e801memorysize |
132 | movl %ecx, e820counter |
130 | movl %ecx, e820counter |
133 | 131 | ||
134 | jmp invalid_boot |
132 | jmp invalid_boot |
135 | 133 | ||
136 | valid_boot: |
134 | valid_boot: |
137 | 135 | ||
138 | movl (%ebx), %eax # ebx = physical address of struct multiboot_info |
136 | movl (%ebx), %eax # ebx = physical address of struct multiboot_info |
139 | 137 | ||
140 | bt $0, %eax # mbi->flags[0] (mem_lower, mem_upper valid) |
138 | bt $0, %eax # mbi->flags[0] (mem_lower, mem_upper valid) |
141 | jc mem_valid |
139 | jc mem_valid |
142 | 140 | ||
143 | xorl %ecx, %ecx |
141 | xorl %ecx, %ecx |
144 | jmp mem_invalid |
142 | jmp mem_invalid |
145 | 143 | ||
146 | mem_valid: |
144 | mem_valid: |
147 | movl 4(%ebx), %ecx # mbi->mem_lower |
145 | movl 4(%ebx), %ecx # mbi->mem_lower |
148 | addl 8(%ebx), %ecx # mbi->mem_upper |
146 | addl 8(%ebx), %ecx # mbi->mem_upper |
149 | 147 | ||
150 | mem_invalid: |
148 | mem_invalid: |
151 | movl %ecx, e801memorysize |
149 | movl %ecx, e801memorysize |
152 | 150 | ||
153 | bt $3, %eax # mbi->flags[3] (mods_count, mods_addr valid) |
151 | bt $3, %eax # mbi->flags[3] (mods_count, mods_addr valid) |
154 | jc mods_valid |
152 | jc mods_valid |
155 | 153 | ||
156 | xorl %ecx, %ecx |
154 | xorl %ecx, %ecx |
157 | xorl %edx, %edx |
155 | xorl %edx, %edx |
158 | jmp mods_invalid |
156 | jmp mods_invalid |
159 | 157 | ||
160 | mods_valid: |
158 | mods_valid: |
161 | movl 20(%ebx), %ecx # mbi->mods_count |
159 | movl 20(%ebx), %ecx # mbi->mods_count |
162 | cmpl $0, %ecx |
160 | cmpl $0, %ecx |
163 | je mods_invalid |
161 | je mods_invalid |
164 | 162 | ||
165 | movl 24(%ebx), %esi # mbi->mods_addr |
163 | movl 24(%ebx), %esi # mbi->mods_addr |
166 | movl 0(%esi), %edx # mods->mod_start |
164 | movl 0(%esi), %edx # mods->mod_start |
167 | movl 4(%esi), %ecx # mods->mod_end |
165 | movl 4(%esi), %ecx # mods->mod_end |
168 | subl %edx, %ecx |
166 | subl %edx, %ecx |
169 | addl $0x80000000, %edx |
167 | addl $0x80000000, %edx |
170 | 168 | ||
171 | mods_invalid: |
169 | mods_invalid: |
172 | movl %ecx, init_size |
170 | movl %ecx, init_size |
173 | movl %edx, init_addr |
171 | movl %edx, init_addr |
174 | 172 | ||
175 | bt $6, %eax # mbi->flags[6] (mmap_length, mmap_addr valid) |
173 | bt $6, %eax # mbi->flags[6] (mmap_length, mmap_addr valid) |
176 | jc mmap_valid |
174 | jc mmap_valid |
177 | 175 | ||
178 | xorl %edx, %edx |
176 | xorl %edx, %edx |
179 | jmp mmap_invalid |
177 | jmp mmap_invalid |
180 | 178 | ||
181 | mmap_valid: |
179 | mmap_valid: |
182 | movl 44(%ebx), %ecx # mbi->mmap_length |
180 | movl 44(%ebx), %ecx # mbi->mmap_length |
183 | movl 48(%ebx), %esi # mbi->mmap_addr |
181 | movl 48(%ebx), %esi # mbi->mmap_addr |
184 | movq $e820table, %rdi |
182 | movq $e820table, %rdi |
185 | xorl %edx, %edx |
183 | xorl %edx, %edx |
186 | 184 | ||
187 | mmap_loop: |
185 | mmap_loop: |
188 | cmpl $0, %ecx |
186 | cmpl $0, %ecx |
189 | jle mmap_end |
187 | jle mmap_end |
190 | 188 | ||
191 | movl 4(%esi), %eax # mmap->base_addr_low |
189 | movl 4(%esi), %eax # mmap->base_addr_low |
192 | movl %eax, (%rdi) |
190 | movl %eax, (%rdi) |
193 | 191 | ||
194 | movl 8(%esi), %eax # mmap->base_addr_high |
192 | movl 8(%esi), %eax # mmap->base_addr_high |
195 | movl %eax, 4(%rdi) |
193 | movl %eax, 4(%rdi) |
196 | 194 | ||
197 | movl 12(%esi), %eax # mmap->length_low |
195 | movl 12(%esi), %eax # mmap->length_low |
198 | movl %eax, 8(%rdi) |
196 | movl %eax, 8(%rdi) |
199 | 197 | ||
200 | movl 16(%esi), %eax # mmap->length_high |
198 | movl 16(%esi), %eax # mmap->length_high |
201 | movl %eax, 12(%rdi) |
199 | movl %eax, 12(%rdi) |
202 | 200 | ||
203 | movl 20(%esi), %eax # mmap->type |
201 | movl 20(%esi), %eax # mmap->type |
204 | movl %eax, 16(%rdi) |
202 | movl %eax, 16(%rdi) |
205 | 203 | ||
206 | movl (%esi), %eax # mmap->size |
204 | movl (%esi), %eax # mmap->size |
207 | addl $0x4, %eax |
205 | addl $0x4, %eax |
208 | addl %eax, %esi |
206 | addl %eax, %esi |
209 | subl %eax, %ecx |
207 | subl %eax, %ecx |
210 | addq $MEMMAP_E820_RECORD_SIZE, %rdi |
208 | addq $MEMMAP_E820_RECORD_SIZE, %rdi |
211 | incl %edx |
209 | incl %edx |
212 | jmp mmap_loop |
210 | jmp mmap_loop |
213 | 211 | ||
214 | mmap_end: |
212 | mmap_end: |
215 | 213 | ||
216 | mmap_invalid: |
214 | mmap_invalid: |
217 | movl %edx, e820counter |
215 | movl %edx, e820counter |
218 | 216 | ||
219 | invalid_boot: |
217 | invalid_boot: |
220 | 218 | ||
- | 219 | #ifdef CONFIG_SMP |
|
- | 220 | ||
- | 221 | # copy AP bootstrap routines below 1 MB |
|
- | 222 | ||
- | 223 | movq $BOOT_OFFSET, %rsi |
|
- | 224 | movq $AP_BOOT_OFFSET, %rdi |
|
- | 225 | movq $_hardcoded_unmapped_size, %rcx |
|
- | 226 | cld |
|
- | 227 | rep movsb |
|
- | 228 | ||
- | 229 | #endif |
|
- | 230 | ||
221 | call main_bsp # never returns |
231 | call main_bsp # never returns |
222 | 232 | ||
223 | cli |
233 | cli |
224 | hlt |
234 | hlt |
225 | 235 | ||
226 | .section K_DATA_START, "aw", @progbits |
236 | .section K_DATA_START, "aw", @progbits |
227 | .align 4096 |
237 | .align 4096 |
228 | 238 | ||
229 | # Identical mapping of first 64MB and the same of -2GB -> 0 |
239 | # Identical mapping of first 64MB and the same of -2GB -> 0 |
230 | .global ptl_2 |
240 | .global ptl_2 |
231 | ptl_2: |
241 | ptl_2: |
232 | .quad 0x0 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
242 | .quad 0x0 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
233 | .quad 0x200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
243 | .quad 0x200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
234 | .quad 0x400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
244 | .quad 0x400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
235 | .quad 0x600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
245 | .quad 0x600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
236 | .quad 0x800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
246 | .quad 0x800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
237 | .quad 0xa00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
247 | .quad 0xa00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
238 | .quad 0xc00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
248 | .quad 0xc00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
239 | .quad 0xe00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
249 | .quad 0xe00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
240 | .quad 0x1000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
250 | .quad 0x1000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
241 | .quad 0x1200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
251 | .quad 0x1200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
242 | .quad 0x1400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
252 | .quad 0x1400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
243 | .quad 0x1600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
253 | .quad 0x1600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
244 | .quad 0x1800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
254 | .quad 0x1800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
245 | .quad 0x1a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
255 | .quad 0x1a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
246 | .quad 0x1c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
256 | .quad 0x1c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
247 | .quad 0x1e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
257 | .quad 0x1e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
248 | .quad 0x2000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
258 | .quad 0x2000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
249 | .quad 0x2200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
259 | .quad 0x2200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
250 | .quad 0x2400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
260 | .quad 0x2400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
251 | .quad 0x2600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
261 | .quad 0x2600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
252 | .quad 0x2800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
262 | .quad 0x2800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
253 | .quad 0x2a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
263 | .quad 0x2a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
254 | .quad 0x2c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
264 | .quad 0x2c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
255 | .quad 0x2e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
265 | .quad 0x2e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
256 | .quad 0x3000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
266 | .quad 0x3000000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
257 | .quad 0x3200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
267 | .quad 0x3200000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
258 | .quad 0x3400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
268 | .quad 0x3400000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
259 | .quad 0x3600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
269 | .quad 0x3600000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
260 | .quad 0x3800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
270 | .quad 0x3800000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
261 | .quad 0x3a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
271 | .quad 0x3a00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
262 | .quad 0x3c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
272 | .quad 0x3c00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
263 | .quad 0x3e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
273 | .quad 0x3e00000 | (PTL_WRITABLE | PTL_PRESENT | PTL_2MB_PAGE) |
264 | 274 | ||
265 | .align 4096 |
275 | .align 4096 |
266 | .global ptl_1 |
276 | .global ptl_1 |
267 | ptl_1: |
277 | ptl_1: |
268 | .quad ptl_2 + (PTL_WRITABLE | PTL_PRESENT) |
278 | .quad ptl_2 + (PTL_WRITABLE | PTL_PRESENT) |
269 | .fill 509,8,0 |
279 | .fill 509,8,0 |
270 | .quad ptl_2 + (PTL_WRITABLE | PTL_PRESENT) |
280 | .quad ptl_2 + (PTL_WRITABLE | PTL_PRESENT) |
271 | .fill 1,8,0 |
281 | .fill 1,8,0 |
272 | 282 | ||
273 | .align 4096 |
283 | .align 4096 |
274 | .global ptl_0 |
284 | .global ptl_0 |
275 | ptl_0: |
285 | ptl_0: |
276 | .quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT) |
286 | .quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT) |
277 | .fill 510,8,0 |
287 | .fill 510,8,0 |
278 | .quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT) |
288 | .quad ptl_1 + (PTL_WRITABLE | PTL_PRESENT) |
279 | 289 | ||
280 | .global bootstrap_gdtr |
290 | .global bootstrap_gdtr |
281 | bootstrap_gdtr: |
291 | bootstrap_gdtr: |
282 | .word gdtselector(GDT_ITEMS) |
292 | .word gdtselector(GDT_ITEMS) |
283 | .long KA2PA(gdt) |
293 | .long KA2PA(gdt) |
284 | 294 | ||
285 | grub_eax: |
295 | grub_eax: |
286 | .long 0 |
296 | .long 0 |
287 | 297 | ||
288 | grub_ebx: |
298 | grub_ebx: |
289 | .long 0 |
299 | .long 0 |
290 | 300 |