Changeset 92523 in vbox for trunk/src/VBox/ValidationKit/bootsectors/bs3kit

Timestamp:

Nov 20, 2021 11:35:37 PM (3 years ago)

Author:

vboxsync

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

148398

Message:

VMMDev,ValKit/Bootsectors: Moved the VMMDevTesting MMIO page from 0x101000 to 0xdf000 so it doesn't cause trouble for KVM memory registrations (too simple at this point). This also simplifies access from real-mode a bit. bugref:9044

Location:

trunk/src/VBox/ValidationKit/bootsectors/bs3kit

Files:

• bs3-system-data.asm (modified) (1 diff)
• bs3kit.h (modified) (1 diff)

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-system-data.asm

@@ -189 +189 @@
         dw  09f00h, 00000h
 BS3_GLOBAL_DATA Bs3Gdte_R0_MMIO16, 8            ; Entry 0f8h
-        dw  0ffffh, 00000h, 09310h, 00000h      ; 16-bit VMMDev MMIO segment with base 0100000h.
+        dw  0ffffh, 0f000h, 0930dh, 00000h      ; 16-bit VMMDev MMIO segment with base 0100000h.
 BS3GdtAssertOffset 0100h
 

trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3kit.h

@@ -348 +348 @@
 #define BS3_SEL_X0TEXT16_CS         0x00e8 /**< Conforming code selector for accessing the BS3X0TEXT16 segment. Runtime config. */
 #define BS3_SEL_X1TEXT16_CS         0x00f0 /**< Conforming code selector for accessing the BS3X1TEXT16 segment. Runtime config. */
-#define BS3_SEL_VMMDEV_MMIO16       0x00f8 /**< Selector for accessing the VMMDev MMIO segment at 0100000h from 16-bit code. */
+#define BS3_SEL_VMMDEV_MMIO16       0x00f8 /**< Selector for accessing the VMMDev MMIO segment at 00df000h from 16-bit code. */
 
 /** Checks if @a uSel is in the BS3_SEL_RX_XXX range. */