X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Finclude%2Fmm_virt.h;h=4a11e7167f5370d3c10127a3db86146c517d0b67;hb=dc8801cc0b5ed911a775cfc2ea853048f7a00db1;hp=a3cae121d72b596377460678ceece8d085d7dcb4;hpb=930fe819133ddb444bc6c22df09baf788183f6ad;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86/include/mm_virt.h b/Kernel/arch/x86/include/mm_virt.h
index a3cae121..4a11e716 100644
--- a/Kernel/arch/x86/include/mm_virt.h
+++ b/Kernel/arch/x86/include/mm_virt.h
@@ -5,6 +5,8 @@
 #ifndef _MM_VIRT_H
 #define _MM_VIRT_H
 
+// NOTES:
+// - 1PD is 0x400000
 
 // - Memory Layout
 #define	MM_USER_MIN	0x00200000
@@ -12,9 +14,11 @@
 #define	USER_STACK_TOP	0x00800000
 #define USER_LIB_MAX	0xBC000000
 #define	MM_USER_MAX	0xBC000000	// Top load address for user libraries
-#define	MM_PPD_MIN	0xBC000000	// Per-Process Data
-#define	MM_PPD_VFS	0xBC000000	// 
-#define MM_PPD_CFG	0xBFFFF000	// 
+#define	MM_PPD_MIN	0xBC000000	// Per-Process Data base
+#define	MM_PPD_HANDLES	0xBC000000	// - VFS Handles (Practically unlimited)
+#define	MM_PPD_MMAP	0xBD000000	// - MMap Entries (24b each = 0x2AAAA max)
+#define	MM_PPD_UNALLOC	0xBE000000	//
+#define MM_PPD_CFG	0xBFFFF000	// - Per-process config entries 
 #define	MM_PPD_MAX	0xC0000000	// 
 
 #define	MM_KHEAP_BASE	0xC0400000	// C+4MiB
@@ -23,17 +27,23 @@
 #define MM_KUSER_CODE	0xCFFF0000	// 16 Pages
 #define	MM_MODULE_MIN	0xD0000000	// Lowest Module Address
 #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
+
+// Page Info (Which VFS node owns each physical page)
+// 2^32/2^12*16
+// = 2^24 = 16 MiB = 0x4000000
+// 256 items per page
+#define MM_PAGENODE_BASE	0xE0000000
+
+// Needs (2^32/2^12*4 bytes)
+// - 2^22 bytes max = 4 MiB = 0x1000000
+// 1024 items per page
+#define	MM_REFCOUNT_BASE	0xE4000000
 
 // === FUNCTIONS ===
 extern void	MM_FinishVirtualInit(void);
 extern void	MM_SetCR3(Uint CR3);
 extern tPAddr	MM_Clone(void);
 extern tVAddr	MM_NewKStack(void);
-extern tVAddr	MM_NewWorkerStack(void);
+extern tVAddr	MM_NewWorkerStack(Uint *InitialStack, size_t StackSize);
 
 #endif