Full PMM implementation

kernel/include/kernel.h

@@ -40,6 +40,7 @@ typedef char* va_list;
 #define max(_x, _y)	({ typeof(_x) __x = (_x); typeof(_y) __y = (_y); __x > __y ? __x : __y; })
 #define ceil(_x, _y)	((((_x) + (_y)) (_y)) * (_y))
 #define floor(_x, _y)	((_x) - ((_x) % (_y)))
+#define dceil(_x, _y)	(((_x) + (_y) - 1) / (_y))
 
 /*
  * Attribute definitions

kernel/include/paging.h

@@ -27,6 +27,8 @@ extern uint32_t	init_pagedir[1024]; // Defined in entry.s for initial paging
 extern size_t	pag_pageCount;
 
 int pag_init(void);
+void pag_registerTempFrame(uint32_t target);
+uint32_t pag_tempFrame(void);
 void pag_mapPage(uint32_t vaddr, uint32_t paddr, uint32_t flags);
 uint32_t pag_umapPage(uint32_t vaddr);
 void* pag_virtToPhys(uint32_t vaddr);

kernel/include/pmm.h

@@ -6,6 +6,8 @@
 #define PMM_BS	4096	// Block Size
 #define PMM_BPB	8	// Blocks per byte
 
+extern int pmm_ready;
+
 int pmm_init(void);
 void pmm_initRegion(size_t base, size_t len);
 void pmm_deinitRegion(size_t base, size_t len);