1 #ifndef __LUNAIX_CONSTANTS_H
2 #define __LUNAIX_CONSTANTS_H
4 #define PG_SIZE_BITS 12
5 #define PG_SIZE (1 << PG_SIZE_BITS)
6 #define PG_INDEX_BITS 10
8 #define MEM_1MB 0x100000
9 #define MEM_4MB 0x400000
11 #define KSTACK_SIZE MEM_1MB
12 #define KSTACK_START ((0x3FFFFFU - KSTACK_SIZE) + 1)
13 #define KSTACK_TOP 0x3FFFF0U
15 #define KERNEL_MM_BASE 0xC0000000
17 #define KCODE_MAX_SIZE MEM_4MB
18 // #define KHEAP_START (KERNEL_MM_BASE + KCODE_MAX_SIZE)
19 // #define KHEAP_SIZE_MB 256
21 #define VGA_FRAMEBUFFER 0xB8000
23 #define KCODE_SEG 0x08
24 #define KDATA_SEG 0x10
25 #define UCODE_SEG 0x1B
26 #define UDATA_SEG 0x23
29 #define USER_START 0x400000
30 #define USTACK_SIZE 0x100000
31 #define USTACK_TOP 0x9ffffff0
32 #define USTACK_END (0x9fffffff - USTACK_SIZE + 1)
33 #define UMMAP_AREA 0x4D000000
37 // From Linux kernel v2.6.0 <kernel.h:194>
39 * container_of - cast a member of a structure out to the containing structure
41 * @ptr: the pointer to the member.
42 * @type: the type of the container struct this is embedded in.
43 * @member: the name of the member within the struct.
46 #define container_of(ptr, type, member) \
48 const typeof(((type*)0)->member)* __mptr = (ptr); \
49 (ptr) ? (type*)((char*)__mptr - offsetof(type, member)) : 0; \
53 #endif /* __LUNAIX_CONSTANTS_H */