bs3-first-pe16.asm

Timestamp:

Dec 22, 2015 7:47:07 PM (9 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

104842

Message:

bs3kit: mode switching fixes.

File:

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-pe16.asm

-              r58814
+              r59215
 EXTERN Bs3SwitchToRM_pe16
 EXTERN Bs3SwitchToPE32_rm
+EXTERN Bs3SwitchTo32Bit_c16
+EXTERN Bs3SwitchTo32Bit_c32
+EXTERN Bs3SwitchTo16Bit_c16
+EXTERN Bs3SwitchTo16Bit_c32
 EXTERN Bs3SwitchToRM_pe32
 EXTERN Bs3InitMemory_rm
 …
     call    NAME(Bs3InitMemory_rm)      ; Initialize the memory (must be done from real mode).
     call    NAME(Bs3SwitchToPE16_rm)
+    call    NAME(Bs3SwitchTo32Bit_c16)
+    BS3_SET_BITS 32
+    call    NAME(Bs3SwitchTo16Bit_c32)
+    BS3_SET_BITS 16
     call    NAME(Bs3SwitchToRM_pe16)
     call    NAME(Bs3SwitchToPE32_rm)
     BS3_SET_BITS 32
-.halt: hlt
-jmp .halt
     call    NAME(Bs3SwitchToRM_pe32)
     BS3_SET_BITS 16
+    call    NAME(Bs3SwitchToPE16_rm)
 …
     ; Call main, if it returns shutdown the system.
+    ;
+.halt: hlt
+jmp .halt
     call    NAME(Main_pe16)
     call    Bs3Shutdown

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