X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/9440be3a5115a91dcdf8dff05a361cac4b6cea29..43c43c058ededea929645fef68d15820eed1f5e9:/lunaix-os/includes/lunaix/common.h diff --git a/lunaix-os/includes/lunaix/common.h b/lunaix-os/includes/lunaix/common.h index 51c37f6..f5a24a7 100644 --- a/lunaix-os/includes/lunaix/common.h +++ b/lunaix-os/includes/lunaix/common.h @@ -1,20 +1,35 @@ #ifndef __LUNAIX_CONSTANTS_H #define __LUNAIX_CONSTANTS_H -#include +#define MEM_1MB 0x100000 +#define MEM_4MB 0x400000 + +#define KSTACK_SIZE MEM_1MB +#define KSTACK_START ((0x3FFFFFU - KSTACK_SIZE) + 1) +#define KSTACK_TOP 0x3FFFF0U -#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 KERNEL_MM_BASE 0xC0000000 -#define VGA_BUFFER_VADDR 0xB0000000UL -#define VGA_BUFFER_PADDR 0xB8000UL -#define VGA_BUFFER_SIZE 4096 +#define KCODE_MAX_SIZE MEM_4MB +// #define KHEAP_START (KERNEL_MM_BASE + KCODE_MAX_SIZE) +// #define KHEAP_SIZE_MB 256 -#define SYS_TIMER_FREQUENCY_HZ 2048 +#define VGA_FRAMEBUFFER 0xB8000 +#define KCODE_SEG 0x08 +#define KDATA_SEG 0x10 +#define UCODE_SEG 0x1B +#define UDATA_SEG 0x23 +#define TSS_SEG 0x28 +#define USER_START 0x400000 +#define USTACK_SIZE 0x100000 +#define USTACK_TOP 0x9ffffff0 +#define USTACK_END (0x9fffffff - USTACK_SIZE + 1) +#define UMMAP_AREA 0x4D000000 + +#ifndef __ASM__ +#include // From Linux kernel v2.6.0 /** * container_of - cast a member of a structure out to the containing structure @@ -24,8 +39,11 @@ * @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 */