X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Fdefs.asm;h=6eca59b8aad44f452eca4806f5d1425bf5636da2;hb=4b93282ac2e60cd4d74b1e0be8ac758933140413;hp=a3de82928aefc9e6b5c2503f5930614f7845c6ec;hpb=190b2ef9470c23c275754b74745933d973f8c439;p=palacios.git diff --git a/palacios/src/geekos/defs.asm b/palacios/src/geekos/defs.asm index a3de829..6eca59b 100644 --- a/palacios/src/geekos/defs.asm +++ b/palacios/src/geekos/defs.asm @@ -1,6 +1,6 @@ ; Definitions for use in GeekOS boot code ; Copyright (c) 2001, David H. Hovemeyer -; $Revision: 1.6 $ +; $Revision: 1.10 $ ; This is free software. You are permitted to use, ; redistribute, and modify it as specified in the file "COPYING". @@ -16,7 +16,16 @@ %ifndef DEFS_ASM %define DEFS_ASM -VM_KERNEL_TARGET equ 0x100000 +;Zheng 08/01/2008 +SYSSEG equ 0x1000 +COMMAND_LINE_SIZE equ 1024 + +SETUPSECTS equ 4 ; /* default nr of setup-sectors */ +SYSSIZE equ 0x7f00 ; /* system size: # of 16-byte clicks */ +ROOT_DEV equ 0 ; /* ROOT_DEV is now written by "build" */ +SWAP_DEV equ 0 ; /* SWAP_DEV is now written by "build" */ + +;VM_KERNEL_TARGET equ 0x100000 ; BIOS loads the boot sector at offset 0 in this segment BOOTSEG equ 0x07C0 @@ -37,7 +46,7 @@ KERNSEG equ 0x1000 ;; Note that this segment must not colide with where the VMM kernel ;; is initially loaded. At this point, we just place it in the last ;; 64K of RAM available before the ISA hole and hope for the best -VMSEG equ 0x8000 ; + VMSEG equ 0x8000 ; Size of PFAT boot record. ; Keep up to date with . @@ -54,7 +63,7 @@ VIDSEG equ 0xb800 ; The following information is correct for a 1.44M floppy. ; Yes, I'm hard coding this. -SECTORS_PER_TRACK equ 18 +;SECTORS_PER_TRACK equ 18 HEADS equ 2 CYLINDERS equ 80