core: use define for gdt offset
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@ -42,7 +42,7 @@ void init_gdt(void)
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set_gdt_entry_value(gdt_entries + 0x00, 0, 0, 0, 0); // Null segment
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set_gdt_entry_value(
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gdt_entries + 0x08, 0, 0xFFFFF,
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gdt_entries + GDT_OFFSET_KERNEL_CODE, 0, 0xFFFFF,
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GDT_ACCESS_P_VALID | GDT_ACCESS_DPL_KERNEL_MODE |
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GDT_ACCESS_S_CODE_OR_DATA | GDT_ACCESS_E_EXECUTABLE |
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GDT_ACCESS_DC_NOT_CONFORM |
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@ -50,7 +50,7 @@ void init_gdt(void)
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GDT_ACCESS_A_ACCESSED,
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GDT_FLAG_32BIT_MODE | GDT_FLAG_PAGE_MODE); // Kernel code
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set_gdt_entry_value(
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gdt_entries + 0x10, 0, 0xFFFFF,
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gdt_entries + GDT_OFFSET_KERNEL_DATA, 0, 0xFFFFF,
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GDT_ACCESS_P_VALID | GDT_ACCESS_DPL_KERNEL_MODE |
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GDT_ACCESS_S_CODE_OR_DATA | GDT_ACCESS_E_NOT_EXECUTABLE |
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GDT_ACCESS_DC_NOT_CONFORM |
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@ -58,7 +58,7 @@ void init_gdt(void)
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GDT_ACCESS_A_ACCESSED,
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GDT_FLAG_32BIT_MODE | GDT_FLAG_PAGE_MODE); // Kernel data
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set_gdt_entry_value(
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gdt_entries + 0x18, 0, 0xFFFFF,
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gdt_entries + GDT_OFFSET_KERNEL_STACK, 0, 0xFFFFF,
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GDT_ACCESS_P_VALID | GDT_ACCESS_DPL_KERNEL_MODE |
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GDT_ACCESS_S_CODE_OR_DATA | GDT_ACCESS_E_NOT_EXECUTABLE |
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GDT_ACCESS_DC_CONFORM |
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@ -67,7 +67,7 @@ void init_gdt(void)
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GDT_FLAG_32BIT_MODE | GDT_FLAG_PAGE_MODE); // Kernel stack
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set_gdt_entry_value(
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gdt_entries + 0x20, 0, 0xFFFFF,
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gdt_entries + GDT_OFFSET_USER_CODE, 0, 0xFFFFF,
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GDT_ACCESS_P_VALID | GDT_ACCESS_DPL_USER_MODE |
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GDT_ACCESS_S_CODE_OR_DATA | GDT_ACCESS_E_EXECUTABLE |
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GDT_ACCESS_DC_CONFORM |
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@ -75,7 +75,7 @@ void init_gdt(void)
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GDT_ACCESS_A_ACCESSED,
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GDT_FLAG_32BIT_MODE | GDT_FLAG_PAGE_MODE); // User code
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set_gdt_entry_value(
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gdt_entries + 0x28, 0, 0xFFFFF,
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gdt_entries + GDT_OFFSET_USER_DATA, 0, 0xFFFFF,
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GDT_ACCESS_P_VALID | GDT_ACCESS_DPL_USER_MODE |
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GDT_ACCESS_S_CODE_OR_DATA | GDT_ACCESS_E_NOT_EXECUTABLE |
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GDT_ACCESS_DC_NOT_CONFORM |
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@ -83,7 +83,7 @@ void init_gdt(void)
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GDT_ACCESS_A_ACCESSED,
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GDT_FLAG_32BIT_MODE | GDT_FLAG_PAGE_MODE); // User data
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set_gdt_entry_value(
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gdt_entries + 0x30, 0, 0xFFFFF,
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gdt_entries + GDT_OFFSET_USER_STACK, 0, 0xFFFFF,
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GDT_ACCESS_P_VALID | GDT_ACCESS_DPL_USER_MODE |
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GDT_ACCESS_S_CODE_OR_DATA | GDT_ACCESS_E_NOT_EXECUTABLE |
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GDT_ACCESS_DC_CONFORM |
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