1 #ifndef __LUNAIX_CONSTANTS_H
2 #define __LUNAIX_CONSTANTS_H
4 #define MEM_1MB 0x100000
5 #define MEM_4MB 0x400000
7 #define KSTACK_SIZE MEM_1MB
8 #define KSTACK_START ((0x3FFFFFU - KSTACK_SIZE) + 1)
9 #define KSTACK_TOP 0x3FFFF0U
11 #define KERNEL_MM_BASE 0xC0000000
13 #define KCODE_MAX_SIZE MEM_4MB
14 // #define KHEAP_START (KERNEL_MM_BASE + KCODE_MAX_SIZE)
15 // #define KHEAP_SIZE_MB 256
17 #define PROC_TABLE_SIZE_MB 4
18 #define PROC_START (KERNEL_MM_BASE + KCODE_MAX_SIZE)
20 #define VGA_FRAMEBUFFER 0xB8000
22 #define KCODE_SEG 0x08
23 #define KDATA_SEG 0x10
24 #define UCODE_SEG 0x1B
25 #define UDATA_SEG 0x23
28 #define USER_START 0x400000
29 #define USTACK_SIZE 0x100000
30 #define USTACK_TOP 0x9ffffff0
31 #define USTACK_END (0x9fffffff - USTACK_SIZE + 1)
32 #define UMMAP_AREA 0x4D000000
36 // From Linux kernel v2.6.0 <kernel.h:194>
38 * container_of - cast a member of a structure out to the containing structure
40 * @ptr: the pointer to the member.
41 * @type: the type of the container struct this is embedded in.
42 * @member: the name of the member within the struct.
45 #define container_of(ptr, type, member) \
47 const typeof(((type*)0)->member)* __mptr = (ptr); \
48 (ptr) ? (type*)((char*)__mptr - offsetof(type, member)) : 0; \
52 #endif /* __LUNAIX_CONSTANTS_H */