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kernel/arch/config.h
2017-11-05 09:50:04 +00:00

43 lines
1.3 KiB
C

#ifndef KERNELMQ_INCLUDED_CONFIG
#define KERNELMQ_INCLUDED_CONFIG 1
#define MEM_UPPER_BASE ((unsigned long)(1 * 1024 * 1024)) // 1 MB
#define PAGE_DIR_SIZE 1024
#define PAGE_TABLE_SIZE 1024
#define PAGE_SIZE 4096
#define PAGE_BIG_SIZE (PAGE_SIZE * PAGE_TABLE_SIZE)
#define IDT_SIZE 256 // maximal size
#define GDT_NULL_INDEX 0
#define GDT_KERNEL_CS_INDEX 1
#define GDT_KERNEL_DS_INDEX 2
#define GDT_USER_CS_INDEX 3
#define GDT_USER_DS_INDEX 4
#define GDT_SIZE 5
#define GDT_DESCRIPTOR_SIZE 8 // bytes
#define GDT_SEGMENT_SELECTOR(n) ((n) * GDT_DESCRIPTOR_SIZE)
#define GDT_NULL_SELECTOR GDT_SEGMENT_SELECTOR(GDT_NULL_INDEX)
#define GDT_KERNEL_CS_SELECTOR GDT_SEGMENT_SELECTOR(GDT_KERNEL_CS_INDEX)
#define GDT_KERNEL_DS_SELECTOR GDT_SEGMENT_SELECTOR(GDT_KERNEL_DS_INDEX)
#define GDT_USER_CS_SELECTOR GDT_SEGMENT_SELECTOR(GDT_USER_CS_INDEX)
#define GDT_USER_DS_SELECTOR GDT_SEGMENT_SELECTOR(GDT_USER_DS_INDEX)
#define INT_EXCEPTION_COUNT 32
#define INT_HWINT_COUNT 16
#define INT_TOTAL_COUNT (INT_EXCEPTION_COUNT + INT_HWINT_COUNT)
#define INT_EXCEPTION_FIRST 0
#define INT_EXCEPTION_LAST (INT_EXCEPTION_FIRST + INT_EXCEPTION_COUNT - 1)
#define INT_HWINT_FIRST (INT_EXCEPTION_LAST + 1)
#define INT_HWINT_LAST (INT_HWINT_FIRST + INT_HWINT_COUNT - 1)
#define INT_SYSCALL 0x80
#endif