bs3-cmn-Shutdown.asm

Timestamp:

Mar 16, 2017 10:41:19 PM (8 years ago)

Author:

vboxsync

Message:

Added VBox/bios.h and VBox/bios.mac (generated) and changed the bootsector code to try both the VBox and Bochs shutdown ports.

File:

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-Shutdown.asm

-              r66145
+              r66149
 %include "bs3kit-template-header.mac"
+%include "VBox/bios.mac"
 BS3_EXTERN_CMN Bs3Panic
 …
 BS3_PROC_BEGIN_CMN Bs3Shutdown, BS3_PBC_HYBRID_0_ARGS
         cli
-        mov     bl, 64
-        mov     dx, SHUTDOWN_PORT
 %ifdef TMPL_16BIT
         mov     ax, cs
         mov     ds, ax
 %endif
+        mov     bl, 64
+        mov     dx, VBOX_BIOS_SHUTDOWN_PORT
+        mov     ax, VBOX_BIOS_OLD_SHUTDOWN_PORT
 .retry:
         mov     ecx, 8
         mov     esi, .s_szShutdown
         rep outsb
+        xchg    ax, dx                  ; alternate between the new (VBox) and old (Bochs) ports.
         dec     bl
         jnz     .retry

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