X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fgeekos%2Fdefs.h;h=e406764f0d266968f4cf6413d12df0e4cbc750f4;hb=4b93282ac2e60cd4d74b1e0be8ac758933140413;hp=bc631c1107e757521a0c1f036ab71b455a206466;hpb=626595465a2c6987606a6bc697df65130ad8c2d3;p=palacios.git

diff --git a/palacios/include/geekos/defs.h b/palacios/include/geekos/defs.h
index bc631c1..e406764 100644
--- a/palacios/include/geekos/defs.h
+++ b/palacios/include/geekos/defs.h
@@ -1,7 +1,7 @@
 /*
  * Misc. kernel definitions
  * Copyright (c) 2001,2004 David H. Hovemeyer <daveho@cs.umd.edu>
- * $Revision: 1.1 $
+ * $Revision: 1.7 $
  * 
  * This is free software.  You are permitted to use,
  * redistribute, and modify it as specified in the file "COPYING".
@@ -11,7 +11,14 @@
 #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.
@@ -22,10 +29,9 @@
 
 
 /*
- * Address where kernel is loaded INITIALLY
- * we move it up in memory soon
+ * Address where kernel is loaded
  */
-#define KERNEL_START_ADDR 0x10000
+#define KERNEL_START_ADDR 0x100000
 
 /*
  * Kernel and user privilege levels
@@ -58,89 +64,16 @@
 #define PAGE_SIZE (1<<PAGE_POWER)
 #define PAGE_MASK (~(0xffffffff << PAGE_POWER))
 
+#define KERNEL_THREAD_OBJECT (PAGE_SIZE)
+#define KERNEL_STACK (PAGE_SIZE * 2)
 
 
-/* Ultimate Memory Layout
 
-TOP_OF_MEM:    
-        GDT (one page)
-        TSS (one page)
-        IDT (one page)
-        KernelImage
-          VMBootPackage
-             rombios (2nd copy)
-             vmxassist
-             vgabios
-             rombios (1st copy)
-        PageList           (varies - must be an integral number of pages)
-	KernelHeap         (varies - KERNEL_HEAP_SIZE; must be integral number of pages)
-        KernelStack        (one page)
-        KernelThreadObject (one page)
-0+VM_SIZE:
-        VM (including ISA hole)          
-        (KernelImage, GDT, and IDT start down here and are moved up)
-        (VMBoot Package is copied down to the first MB to start the VM boot)
-        (VMXAssist is used to provide real mode emulation for initial VM boot steps)
-0:      
-*/
+// Where we load the vm's kernel image (1MB)
+//#define VM_KERNEL_TARGET (0x100000) 
 
-// This is for a 1 GB Machine
-// The last address (+1) at which physical memory ends
-#define TOP_OF_MEM (0x40000000)
-// How much space to reserve for the VM
-#define VM_SIZE    (0x20000000)
-// Where the VM starts in physical memory
-#define START_OF_VM (0x0)
 
 
 
-#define GDT_SIZE PAGE_SIZE
-#define TSS_SIZE PAGE_SIZE
-#define IDT_SIZE PAGE_SIZE
-#define KERNEL_HEAP_SIZE (256*PAGE_SIZE)
-#define KERNEL_STACK_SIZE PAGE_SIZE
-#define KERNEL_THREAD_OBJECT_SIZE PAGE_SIZE
-
-
-
-
-/*
- *  * Keep these up to date with defs.asm.
- */
-#define GDT_LOCATION          (TOP_OF_MEM-GDT_SIZE)
-#define TSS_LOCATION          (GDT_LOCATION-TSS_SIZE)
-#define IDT_LOCATION          (TSS_LOCATION-IDT_SIZE)
-
-
-#define FINAL_KERNEL_START    (IDT_LOCATION-MAX_VMM)
-#define FINAL_KERNEL_END      (FINAL_KERNEL_START+KERNEL_CORE_LENGTH-1)
-#define FINAL_BIOS_START      (FINAL_KERNEL_START+KERNEL_CORE_LENGTH)
-#define FINAL_BIOS_END        (FINAL_BIOS_START+BIOS_LENGTH-1)
-#define FINAL_VGA_BIOS_START  (FINAL_BIOS_START+BIOS_LENGTH)
-#define FINAL_VGA_BIOS_END    (FINAL_VGA_BIOS_START+VGA_BIOS_LENGTH-1)
-#define FINAL_VMXASSIST_START (FINAL_VGA_BIOS_START+VGA_BIOS_LENGTH)
-#define FINAL_VMXASSIST_END   (FINAL_VMXASSIST_START+VMXASSIST_LENGTH-1)
-#define FINAL_BIOS2_START     (FINAL_VMXASSIST_START+VMXASSIST_LENGTH)
-#define FINAL_BIOS2_END       (FINAL_BIOS2_START+BIOS_LENGTH-1)
-#define FINAL_VMBOOTSTART     (FINAL_BIOS_START)
-#define FINAL_VMBOOTEND       (FINAL_BIOS2_END)
-
-#if (FINAL_VMBOOTEND>IDT_LOCATION)
-#error VMM_MAX is too small!
-#endif
-
-
-#define KERNEL_THREAD_OBJECT  (START_OF_VM+VM_SIZE)
-#define KERNEL_STACK          (KERNEL_THREAD_OBJECT+KERNEL_THREAD_OBJECT_SIZE)
-#define KERNEL_HEAP           (KERNEL_STACK+KERNEL_STACK_SIZE)
-#define KERNEL_PAGELIST       (KERNEL_HEAP+KERNEL_HEAP_SIZE)
-
-
-/*
- * PC memory map
- */
-#define ISA_HOLE_START 0x0A0000
-#define ISA_HOLE_END   0x100000
-
 
 #endif  /* GEEKOS_DEFS_H */