bs3kit

Timestamp:

Feb 7, 2020 1:12:36 PM (5 years ago)

Author:

vboxsync

Message:

bs3kit: Do the long mode check in bs3-first-init-all-lm64.asm.

File:

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-first-init-all-lm64.asm

-              r83003
+              r83017
 extern NAME(Main_lm64)
 extern NAME(Bs3Shutdown_c64)
+extern BS3_DATA_NM(g_uBs3CpuDetected)
+extern NAME(Bs3PrintStrN_c16)
+extern NAME(Bs3Panic_c16)
 ;; Entry point.
 …
+        ;
+        ; Check that long mode is supported.
+        ;
+        test    word [BS3_DATA_NM(g_uBs3CpuDetected)], BS3CPU_F_LONG_MODE
+        jnz     .long_mode_supported
+        push    .s_szLongModeError_End - .s_szLongModeError
+        push    cs
+        push    .s_szLongModeError wrt CGROUP16
+        call    NAME(Bs3PrintStrN_c16)
+        call    NAME(Bs3Panic_c16)
+.long_mode_supported:
+        ;
         ; Switch to LM64 and call main.
+        ;
 …
         call    NAME(Bs3Shutdown_c64)
+.s_szLongModeError:
+        db      'BS3 Error! Long mode not supported!', 0ah, 0dh
+.s_szLongModeError_End:
+        db      00h

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