X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/fef29e9e993e62f025d8cbfeb6b8d51588083b7e..1fe5f5eb5378a47bf0f3451762743c162e40faad:/lunaix-os/includes/lunaix/common.h diff --git a/lunaix-os/includes/lunaix/common.h b/lunaix-os/includes/lunaix/common.h index d9ffeae..cb827fb 100644 --- a/lunaix-os/includes/lunaix/common.h +++ b/lunaix-os/includes/lunaix/common.h @@ -1,20 +1,31 @@ #ifndef __LUNAIX_CONSTANTS_H #define __LUNAIX_CONSTANTS_H -#include +#define MEM_1MB 0x100000 +#define MEM_4MB 0x400000 -#define K_STACK_SIZE (64 << 10) -#define K_STACK_START ((0xFFBFFFFFU - K_STACK_SIZE) + 1) -#define HIGHER_HLF_BASE 0xC0000000UL -#define MEM_1MB 0x100000UL +#define USER_START 0x400000 -#define VGA_BUFFER_VADDR 0xB0000000UL -#define VGA_BUFFER_PADDR 0xB8000UL -#define VGA_BUFFER_SIZE 4096 +#define KSTACK_SIZE MEM_1MB +#define KSTACK_START (USER_START - KSTACK_SIZE) +#define KSTACK_TOP ((USER_START - 1) & ~0xf) +#define within_kstack(addr) (KSTACK_START <= (addr) && (addr) <= KSTACK_TOP) -#define SYS_TIMER_FREQUENCY_HZ 2048 +#define VGA_FRAMEBUFFER 0xB8000 +#define KCODE_SEG 0x08 +#define KDATA_SEG 0x10 +#define KSIZE (MEM_4MB * 16) + +#define USTACK_SIZE MEM_4MB +#define USTACK_TOP 0x9ffffff0 +#define USTACK_END (0x9fffffff - USTACK_SIZE + 1) +#define UMMAP_START 0x4D000000 +#define UMMAP_END (USTACK_END - MEM_4MB) + +#ifndef __ASM__ +#include // From Linux kernel v2.6.0 /** * container_of - cast a member of a structure out to the containing structure @@ -24,8 +35,11 @@ * @member: the name of the member within the struct. * */ -#define container_of(ptr, type, member) ({ \ - const typeof( ((type *)0)->member ) *__mptr = (ptr); \ - (type *)( (char *)__mptr - offsetof(type,member) );}) +#define container_of(ptr, type, member) \ + ({ \ + const typeof(((type*)0)->member)* __mptr = (ptr); \ + (ptr) ? (type*)((char*)__mptr - offsetof(type, member)) : 0; \ + }) +#endif #endif /* __LUNAIX_CONSTANTS_H */