Kernel - Reworked x86 physical memory allocation

[tpg/acess2.git] / Kernel / arch / x86 / include / mm_virt.h

diff --git a/Kernel/arch/x86/include/mm_virt.h b/Kernel/arch/x86/include/mm_virt.h
index e19a310..a3cae12 100644 (file)
--- a/Kernel/arch/x86/include/mm_virt.h
+++ b/Kernel/arch/x86/include/mm_virt.h
@@ -22,7 +22,12 @@
 #define MM_KERNEL_VFS  0xCF000000      // 
 #define MM_KUSER_CODE  0xCFFF0000      // 16 Pages
 #define        MM_MODULE_MIN   0xD0000000      // Lowest Module Address
-#define MM_MODULE_MAX  0xF0000000      // 512 MiB
+#define MM_MODULE_MAX  0xE0000000      // 128 MiB
+// Needs (2^36/2^12*8 bytes)
+// - 2^27 bytes max = 128 MiB = 0x10000000
+// 2^12/2^3 items per page
+// - 2^9 = 512
+#define        MM_PAGEINFO_BASE        0xE0000000
 
 // === FUNCTIONS ===
 extern void    MM_FinishVirtualInit(void);