12,13 → 12,10 |
#include <arch/boot/boot.h> |
#include <arch/mm/page.h> |
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ENTRY(kernel_image_start) |
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SECTIONS { |
.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) { |
.unmapped BOOT_OFFSET: AT (0) { |
unmapped_ktext_start = .; |
*(K_TEXT_START); |
*(K_TEXT_START_2); |
unmapped_ktext_end = .; |
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unmapped_kdata_start = .; |
26,9 → 23,8 |
unmapped_kdata_end = .; |
} |
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.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)) : AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) { |
.mapped (PA2KA(BOOT_OFFSET)+SIZEOF(.unmapped)) : AT (SIZEOF(.unmapped)) { |
ktext_start = .; |
*(BOOT_DATA); |
*(.text); |
ktext_end = .; |
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36,7 → 32,7 |
*(.data); /* initialized data */ |
*(.rodata*); /* string literals */ |
hardcoded_load_address = .; |
QUAD(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)); |
QUAD(PA2KA(BOOT_OFFSET)); |
hardcoded_ktext_size = .; |
QUAD(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
hardcoded_kdata_size = .; |
56,18 → 52,4 |
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kdata_end = .; |
} |
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_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start); |
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/* Symbols that need to be accessed both from real mode & long mode */ |
/* e820*_boot is real mode (pre-above-1MB-move), e820* is */ |
/* kernel mapped above-1MB-physical copied symbol */ |
e820table_boot = KA2PA(e820table) - BOOT_OFFSET; |
e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET; |
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/* real_bootstrap_gdtr is mapped real_bootstrap_gdtr_boot */ |
/* It is physically outside of kernel area, we have to access */ |
/* it after modification from long mode for booting */ |
/* SMP slave processors */ |
real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot); |
} |