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| Rev 602 | Rev 694 | ||
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| 10 | 10 | ||
| 11 | #define __ASM__ |
11 | #define __ASM__ |
| 12 | #include <arch/boot/boot.h> |
12 | #include <arch/boot/boot.h> |
| 13 | #include <arch/mm/page.h> |
13 | #include <arch/mm/page.h> |
| 14 | 14 | ||
| 15 | ENTRY(kernel_image_start) |
- | |
| 16 | - | ||
| 17 | SECTIONS { |
15 | SECTIONS { |
| 18 | .unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) { |
16 | .unmapped BOOT_OFFSET: AT (0) { |
| 19 | unmapped_ktext_start = .; |
17 | unmapped_ktext_start = .; |
| 20 | *(K_TEXT_START); |
18 | *(K_TEXT_START); |
| 21 | *(K_TEXT_START_2); |
- | |
| 22 | unmapped_ktext_end = .; |
19 | unmapped_ktext_end = .; |
| 23 | 20 | ||
| 24 | unmapped_kdata_start = .; |
21 | unmapped_kdata_start = .; |
| 25 | *(K_DATA_START); |
22 | *(K_DATA_START); |
| 26 | unmapped_kdata_end = .; |
23 | unmapped_kdata_end = .; |
| 27 | } |
24 | } |
| 28 | 25 | ||
| 29 | .mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)) : AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) { |
26 | .mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) { |
| 30 | ktext_start = .; |
27 | ktext_start = .; |
| 31 | *(BOOT_DATA); |
- | |
| 32 | *(.text); |
28 | *(.text); |
| 33 | ktext_end = .; |
29 | ktext_end = .; |
| 34 | 30 | ||
| 35 | kdata_start = .; |
31 | kdata_start = .; |
| 36 | *(.data); /* initialized data */ |
32 | *(.data); /* initialized data */ |
| 37 | *(.rodata*); /* string literals */ |
33 | *(.rodata*); /* string literals */ |
| 38 | hardcoded_load_address = .; |
34 | hardcoded_load_address = .; |
| 39 | QUAD(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)); |
35 | QUAD(PA2KA(BOOT_OFFSET)); |
| 40 | hardcoded_ktext_size = .; |
36 | hardcoded_ktext_size = .; |
| 41 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
37 | QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
| 42 | hardcoded_kdata_size = .; |
38 | hardcoded_kdata_size = .; |
| 43 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
39 | QUAD(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
| 44 | hardcoded_unmapped_ktext_size = .; |
40 | hardcoded_unmapped_ktext_size = .; |
| Line 54... | Line 50... | ||
| 54 | 50 | ||
| 55 | *(.bss); /* uninitialized static variables */ |
51 | *(.bss); /* uninitialized static variables */ |
| 56 | 52 | ||
| 57 | kdata_end = .; |
53 | kdata_end = .; |
| 58 | } |
54 | } |
| 59 | - | ||
| 60 | _hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start); |
- | |
| 61 | - | ||
| 62 | /* Symbols that need to be accessed both from real mode & long mode */ |
- | |
| 63 | /* e820*_boot is real mode (pre-above-1MB-move), e820* is */ |
- | |
| 64 | /* kernel mapped above-1MB-physical copied symbol */ |
- | |
| 65 | e820table_boot = KA2PA(e820table) - BOOT_OFFSET; |
- | |
| 66 | e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET; |
- | |
| 67 | - | ||
| 68 | /* real_bootstrap_gdtr is mapped real_bootstrap_gdtr_boot */ |
- | |
| 69 | /* It is physically outside of kernel area, we have to access */ |
- | |
| 70 | /* it after modification from long mode for booting */ |
- | |
| 71 | /* SMP slave processors */ |
- | |
| 72 | real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot); |
- | |
| 73 | } |
55 | } |