regression: mmap for fd

[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 fe0c0bc31b34740563c32b5fce05f0266bb4ef58..1ebf15836f509c7bbd0a5fcb8bcb00c636947166 100644 (file)
--- a/lunaix-os/includes/lunaix/common.h
+++ b/lunaix-os/includes/lunaix/common.h
@@ -1,28 +1,24 @@
 #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 KSTACK_SIZE MEM_1MB
+#define KSTACK_START ((0x3FFFFFU - KSTACK_SIZE) + 1)
+#define KSTACK_TOP 0x3FFFF0U
 
-#define PROC_TABLE_SIZE_MB 4
-#define PROC_START (KHEAP_START + (KHEAP_SIZE_MB * MEM_1MB))
+#define KERNEL_MM_BASE 0xC0000000
 
-#define VGA_BUFFER_VADDR (PROC_START + (PROC_TABLE_SIZE_MB * MEM_1MB))
-#define VGA_BUFFER_PADDR 0xB8000
-#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 MMIO_BASE (VGA_BUFFER_VADDR + MEM_4MB)
-#define MMIO_APIC (MMIO_BASE)
-#define MMIO_IOAPIC (MMIO_BASE + 4096)
+#define VGA_FRAMEBUFFER 0xB8000
 
 #define KCODE_SEG 0x08
 #define KDATA_SEG 0x10
@@ -36,8 +32,6 @@
 #define USTACK_END (0x9fffffff - USTACK_SIZE + 1)
 #define UMMAP_AREA 0x4D000000
 
-#define SYS_TIMER_FREQUENCY_HZ 2048
-
 #ifndef __ASM__
 #include <stddef.h>
 // From Linux kernel v2.6.0 <kernel.h:194>
@@ -52,7 +46,7 @@
 #define container_of(ptr, type, member)                                        \
     ({                                                                         \
         const typeof(((type*)0)->member)* __mptr = (ptr);                      \
-        (type*)((char*)__mptr - offsetof(type, member));                       \
+        (ptr) ? (type*)((char*)__mptr - offsetof(type, member)) : 0;           \
     })
 
 #endif