feat: refine symbolic link support.

[lunaix-os.git] / lunaix-os / includes / lunaix / common.h

diff --git a/lunaix-os/includes/lunaix/common.h b/lunaix-os/includes/lunaix/common.h
index d341daa341120feca19b36510b7987d657cbcf46..daa55af83023e921746a6fc788a96716e4421d7f 100644 (file)
--- a/lunaix-os/includes/lunaix/common.h
+++ b/lunaix-os/includes/lunaix/common.h
@@ -1,24 +1,26 @@
 #ifndef __LUNAIX_CONSTANTS_H
 #define __LUNAIX_CONSTANTS_H
 
-#define KSTACK_SIZE (64 << 10)
-#define KSTACK_START ((0x3FFFFFU - KSTACK_SIZE) + 1)
-#define KSTACK_TOP 0x3FFFF0U
+#define PG_SIZE_BITS 12
+#define PG_SIZE (1 << PG_SIZE_BITS)
+#define PG_INDEX_BITS 10
 
-#define KERNEL_MM_BASE 0xC0000000
 #define MEM_1MB 0x100000
 #define MEM_4MB 0x400000
 
-#define KCODE_MAX_SIZE MEM_4MB
-#define KHEAP_START (KERNEL_MM_BASE + KCODE_MAX_SIZE)
-#define KHEAP_SIZE_MB 256
+#define USER_START 0x400000
 
-#define PROC_TABLE_SIZE_MB 4
-#define PROC_START (KHEAP_START + (KHEAP_SIZE_MB * MEM_1MB))
+#define KSTACK_SIZE MEM_1MB
+#define KSTACK_START (USER_START - KSTACK_SIZE)
+#define KSTACK_TOP ((USER_START - 1) & ~0xf)
 
-#define VGA_BUFFER_VADDR (PROC_START + (PROC_TABLE_SIZE_MB * MEM_1MB))
-#define VGA_BUFFER_PADDR 0xB8000
-#define VGA_BUFFER_SIZE 4096
+#define KERNEL_MM_BASE 0xC0000000
+
+#define KCODE_MAX_SIZE MEM_4MB
+// #define KHEAP_START (KERNEL_MM_BASE + KCODE_MAX_SIZE)
+// #define KHEAP_SIZE_MB 256
+
+#define VGA_FRAMEBUFFER 0xB8000
 
 #define KCODE_SEG 0x08
 #define KDATA_SEG 0x10
@@ -26,13 +28,11 @@
 #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 SYS_TIMER_FREQUENCY_HZ 2048
+#define UMMAP_START 0x4D000000
+#define UMMAP_END (USTACK_END - MEM_4MB)
 
 #ifndef __ASM__
 #include <stddef.h>