Added include folder with hos_types.h and hos_defines.h

Added mm build subdir with mm.c
Updated subdir.mak to build $(subdir)_all.o instead of $(subdir).o
Updated main Makefile to pass SUBDIR in to subdirectory builds, add $(HOS_TOPLEVEL)/include to compiler include path, and made the linker write a map file
Updated boot.asm to use the page_directory symbol from the .bss section defined in mm.o as its temporary stack area

git-svn-id: svn://anubis/hos/trunk@22 5b3e749e-e535-0410-8002-a9bb6afbdfca

kernel/include/hos_defines.h

@@ -0,0 +1,7 @@
+
+#ifndef HOS_DEFINES_H
+#define HOS_DEFINES_H
+
+#define PAGE_SIZE 4096
+
+#endif

kernel/include/hos_types.h

@@ -0,0 +1,14 @@
+
+#ifndef HOS_TYPES_H
+#define HOS_TYPES_H
+
+typedef unsigned char       u8_t;
+typedef signed char         s8_t;
+typedef unsigned short      u16_t;
+typedef signed short        s16_t;
+typedef unsigned int        u32_t;
+typedef signed int          s32_t;
+typedef unsigned long long  u64_t;
+typedef signed long long    s64_t;
+
+#endif