Changeset 26464 in vbox for trunk/src/VBox/Devices/EFI/Firmware2

Timestamp:

Feb 12, 2010 2:21:27 PM (15 years ago)

Author:

vboxsync

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

57623

Message:

EFI,Main: managing graphic modes via VBoxInternal2 extradata variables.

Location:

trunk/src/VBox/Devices/EFI/Firmware2/VBoxPkg

Files:

• Include/DevEFI.h (modified) (1 diff)
• VBoxConsoleDxe/VBoxConsole.c (modified) (3 diffs)

trunk/src/VBox/Devices/EFI/Firmware2/VBoxPkg/Include/DevEFI.h

@@ -59 +59 @@
     EFI_INFO_INDEX_CPU_FREQUENCY,
     EFI_INFO_INDEX_TSC_FREQUENCY,
+    EFI_INFO_INDEX_GOP_MODE,
+    EFI_INFO_INDEX_UGA_HORISONTAL_RESOLUTION,
+    EFI_INFO_INDEX_UGA_VERTICAL_RESOLUTION,
     EFI_INFO_INDEX_END
 } EfiInfoIndex;

trunk/src/VBox/Devices/EFI/Firmware2/VBoxPkg/VBoxConsoleDxe/VBoxConsole.c

@@ -21 +21 @@
 
 #include "VBoxConsole.h"
+#include "VBoxPkg.h"
+#include "DevEFI.h"
+#include "iprt/asm.h"
 
 /* @todo understand the reasons why TextOutputProtocol.SetMode isn't enough to switch mode. */
@@ -30 +33 @@
 static EFI_GRAPHICS_OUTPUT_PROTOCOL    *Gop;
 static EFI_UGA_DRAW_PROTOCOL           *Uga;
+
+/*
+ *   @todo move this function to the library.
+ */
+static UINT32
+GetVmVariable(UINT32 Variable, CHAR8* Buffer, UINT32 Size )
+{
+    UINT32 VarLen, i;
+
+
+    ASMOutU32(EFI_INFO_PORT, Variable);
+    VarLen = ASMInU32(EFI_INFO_PORT);
+
+    for (i=0; i < VarLen && i < Size; i++)
+    {
+        Buffer[i] = ASMInU8(EFI_INFO_PORT);
+    }
+
+    return VarLen;
+}
 
 static VOID
@@ -43 +66 @@
     DEBUG((DEBUG_INFO, "%a:%d - SwitchMode\n", __FILE__,  __LINE__));
     if (Gop)
-        r = Gop->SetMode(Gop, 2);
-    if (Uga)
-        r = Uga->SetMode(Uga, 1024, 768, 32, 60);
+    {
+        UINT32 mode = 2;
+        GetVmVariable(EFI_INFO_INDEX_GOP_MODE, (CHAR8 *)&mode, sizeof(UINT32));
+        r = Gop->SetMode(Gop, mode);
+    } 
+    else if (Uga)
+    {
+        UINT32 H = 1027;
+        UINT32 V = 768;
+        GetVmVariable(EFI_INFO_INDEX_UGA_HORISONTAL_RESOLUTION, (CHAR8 *)&H, sizeof(UINT32));
+        GetVmVariable(EFI_INFO_INDEX_UGA_VERTICAL_RESOLUTION, (CHAR8 *)&V, sizeof(UINT32));
+        r = Uga->SetMode(Uga, H, V, 32, 60);
+    }
     if(EFI_ERROR(r))
     {