X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Finclude%2Fmm_virt.h;h=31642c64b211afed37bdc66f9973bbcf09f4f29d;hb=8fdfdc58b3a041f11592dd49c3a5726126b36859;hp=d3260fe07146c0bfe97234d69e8b5a2a1314dd73;hpb=b6c3b3cf61caafbd91bbf3acc81995e472656a5b;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86/include/mm_virt.h b/Kernel/arch/x86/include/mm_virt.h
index d3260fe0..31642c64 100644
--- a/Kernel/arch/x86/include/mm_virt.h
+++ b/Kernel/arch/x86/include/mm_virt.h
@@ -5,13 +5,49 @@
 #ifndef _MM_VIRT_H
 #define _MM_VIRT_H
 
+// NOTES:
+// - 1PD is 0x400000
+
+// - Memory Layout
+#define	MM_USER_MIN	0x00200000
+#define	USER_STACK_SZ	0x00020000	// 128 KiB
+#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 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
+#define	MM_KHEAP_MAX	0xCF000000	//
+#define MM_KERNEL_VFS	0xCF000000	// 
+#define MM_KUSER_CODE	0xCFFF0000	// 16 Pages
+#define	MM_MODULE_MIN	0xD0000000	// Lowest Module Address
+#define MM_MODULE_MAX	0xE0000000	// 128 MiB
+
+// 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
+
+#define MM_KERNEL_STACKS	0xF0000000
+#define	MM_KERNEL_STACK_SIZE	0x00008000
+#define MM_KERNEL_STACKS_END	0xFC000000
+
 // === FUNCTIONS ===
-extern void	MM_SetCR3(Uint32 CR3);
-extern tPAddr	MM_Allocate(Uint VAddr);
-extern void	MM_Deallocate(Uint VAddr);
-extern int	MM_Map(Uint VAddr, tPAddr PAddr);
-extern Uint	MM_Clone();
-extern Uint	MM_NewKStack();
-extern Uint	MM_NewWorkerStack();
+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(Uint *InitialStack, size_t StackSize);
 
 #endif