Add clock_time() in timer.c for uIP

[palacios.releases.git] / palacios / src / geekos / fd_boot.asm

diff --git a/palacios/src/geekos/fd_boot.asm b/palacios/src/geekos/fd_boot.asm
index 2fbfd35..7aa231b 100644 (file)
--- a/palacios/src/geekos/fd_boot.asm
+++ b/palacios/src/geekos/fd_boot.asm
@@ -1,7 +1,7 @@
 ; Boot sector for GeekOS
 ; Copyright (c) 2001,2004 David H. Hovemeyer <daveho@cs.umd.edu>
 ; Copyright (c) 2003, Jeffrey K. Hollingsworth <hollings@cs.umd.edu>
-; $Revision: 1.6 $
+; $Revision: 1.7 $
 
 ; This is free software.  You are permitted to use,
 ; redistribute, and modify it as specified in the file "COPYING".
@@ -34,6 +34,21 @@
 [ORG 0x0]
 
 BeginText:     ; needed to calculate padding bytes to fill the sector
+       ;; temporalily for io performance test
+       mov dx, 0x995
+       mov eax, 0x12345678
+       out dx, eax
+       mov dx, 0x999
+       xor eax, eax
+       cpuid
+       rdtsc
+       ;;      mov [time], eax
+       ;;      mov eax, 0x12345678
+       out dx, eax
+       cpuid
+       rdtsc
+       sub eax, [time]
+       out dx, eax
 
        ; Copy the boot sector into INITSEG.
        mov     ax, BOOTSEG
@@ -369,6 +384,8 @@ bootsect_dst_base:
        dw      0               ;       ! limit16,base24 =0
        dw      0,0,0,0         ;       ! BIOS CS
        dw      0,0,0,0         ;       ! BIOS DS
+time:
+       dw      0,0
 
 
 ; Padding to make the PFAT Boot Record sit just before the BIOS signature.