X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/61a1daa59589212608039e2734009870818bacd3..b6ff3c7dbab3f40d03389808d95ac27d416c35e3:/lunaix-os/includes/lunaix/common.h

diff --git a/lunaix-os/includes/lunaix/common.h b/lunaix-os/includes/lunaix/common.h
index f5a24a7..3ed90f8 100644
--- a/lunaix-os/includes/lunaix/common.h
+++ b/lunaix-os/includes/lunaix/common.h
@@ -1,12 +1,18 @@
 #ifndef __LUNAIX_CONSTANTS_H
 #define __LUNAIX_CONSTANTS_H
 
+#define PG_SIZE_BITS 12
+#define PG_SIZE (1 << PG_SIZE_BITS)
+#define PG_INDEX_BITS 10
+
 #define MEM_1MB 0x100000
 #define MEM_4MB 0x400000
 
+#define USER_START 0x400000
+
 #define KSTACK_SIZE MEM_1MB
-#define KSTACK_START ((0x3FFFFFU - KSTACK_SIZE) + 1)
-#define KSTACK_TOP 0x3FFFF0U
+#define KSTACK_START (USER_START - KSTACK_SIZE)
+#define KSTACK_TOP ((USER_START - 1) & ~0xf)
 
 #define KERNEL_MM_BASE 0xC0000000
 
@@ -18,15 +24,12 @@
 
 #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_SIZE MEM_4MB
 #define USTACK_TOP 0x9ffffff0
 #define USTACK_END (0x9fffffff - USTACK_SIZE + 1)
-#define UMMAP_AREA 0x4D000000
+#define UMMAP_START 0x4D000000
+#define UMMAP_END (USTACK_END - MEM_4MB)
 
 #ifndef __ASM__
 #include <stddef.h>