X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=geekos%2Finclude%2Fgeekos%2Fdefs.h;fp=geekos%2Finclude%2Fgeekos%2Fdefs.h;h=1f9d828376f6b7ee810e90e63baf46e5ca91da18;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3

diff --git a/geekos/include/geekos/defs.h b/geekos/include/geekos/defs.h
new file mode 100644
index 0000000..1f9d828
--- /dev/null
+++ b/geekos/include/geekos/defs.h
@@ -0,0 +1,79 @@
+/*
+ * Misc. kernel definitions
+ * Copyright (c) 2001,2004 David H. Hovemeyer <daveho@cs.umd.edu>
+ * $Revision: 1.9 $
+ * 
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "COPYING".
+ */
+
+#ifndef GEEKOS_DEFS_H
+#define GEEKOS_DEFS_H
+
+
+/*Zheng 08/01/2008*/
+#define SYSSEG             0x1000
+#define COMMAND_LINE_SIZE  1024
+
+#define SETUPSECTS    4            /* default nr of setup-sectors */
+#define SYSSIZE       0x7f00       /* system size: # of 16-byte clicks */
+#define ROOT_DEV      0            /* ROOT_DEV is now written by "build" */
+#define SWAP_DEV      0            /* SWAP_DEV is now written by "build" */
+
+/*
+ * Kernel code and data segment selectors.
+ * Keep these up to date with defs.asm.
+ */
+#define KERNEL_CS  (1<<3)
+#define KERNEL_DS  (2<<3)
+
+
+/*
+ * Address where kernel is loaded
+ */
+#define KERNEL_START_ADDR 0x100000
+
+/*
+ * Kernel and user privilege levels
+ */
+#define KERNEL_PRIVILEGE 0
+#define USER_PRIVILEGE 3
+
+
+/*
+ * Software interrupt for syscalls
+ */
+#define SYSCALL_INT 0x90
+
+/*
+ * The windows versions of gcc use slightly different
+ * names for the bss begin and end symbols than the Linux version.
+ */
+#if defined(GNU_WIN32)
+#  define BSS_START _bss_start__
+#  define BSS_END _bss_end__
+#else
+#  define BSS_START __bss_start
+#  define BSS_END end
+#endif
+
+/*
+ * x86 has 4096 byte pages
+ */
+#define PAGE_POWER 12
+#define PAGE_SIZE (1<<PAGE_POWER)
+#define PAGE_MASK (~(0xffffffff << PAGE_POWER))
+
+#define KERNEL_THREAD_OBJECT (PAGE_SIZE)
+#define KERNEL_STACK (PAGE_SIZE * 2)
+
+
+
+// Where we load the vm's kernel image (1MB)
+//#define VM_KERNEL_TARGET (0x100000) 
+
+
+
+
+
+#endif  /* GEEKOS_DEFS_H */