added CXXFLAGS to disable rtti and exceptions; added C++ support to header files; moved mm.c to mm.cc to use C++ functionality

git-svn-id: svn://anubis/hos/trunk@32 5b3e749e-e535-0410-8002-a9bb6afbdfca

kernel/mm/mm.cc

@@ -4,6 +4,8 @@
 
 #define MM_MAX_MMAP_ENTRIES 64
 
+extern "C" {
+
 pagedirectory_t page_directory __attribute__ ((aligned (4096)));
 
 static mm_mem_range_t mm_mmap_entries[MM_MAX_MMAP_ENTRIES];
@@ -41,14 +43,17 @@ void mm_bootstrap()
         k_early_panic("No mmap entries read from bootloader!");
     }
 
-    int mmap_idx, i;
-    for (mmap_idx = 0; mmap_idx < mm_mmap_num_entries; mmap_idx++)
+    for (int mmap_idx = 0; mmap_idx < mm_mmap_num_entries; mmap_idx++)
     {
     }
 
     /* Clear the page directory */
-    for (i = 0; i < sizeof(page_directory) / sizeof(page_directory[0]); i++)
+    for (unsigned int i = 0;
+         i < sizeof(page_directory) / sizeof(page_directory[0]);
+         i++)
     {
         page_directory[i] = 0;
     }
 }
+
+} /* extern "C" */

kernel/mm/mm.h

@@ -6,6 +6,10 @@
 #include "hos_defines.h"
 #include "multiboot.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef u32_t pagedirectory_entry_t;
 
 typedef pagedirectory_entry_t
@@ -22,5 +26,9 @@ typedef struct
 void mm_record_mmap_entry(mb_mmap_t * mmap);
 void mm_bootstrap();
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif