Changeset 9e34750 in mainline for kernel/arch/ia32/src/boot/vesa_real.inc

Timestamp:

2011-07-04T16:36:27Z (13 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b5085a7

Parents:

71fa44c (diff), c427578 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

[merge] VESA VBE improvements (thx Martin Sucha)

File:

• kernel/arch/ia32/src/boot/vesa_real.inc (modified) (1 diff)

kernel/arch/ia32/src/boot/vesa_real.inc

@@ -154 +154 @@
         mov $e_vesa_init - vesa_init, %di
         push %di
+        /* Write the "VBE2" signature into the info structure in order
+         * to get proper mode information. The presence of "VBE2"
+         * indicates two things:
+         *
+         *  - VBE controller information structure is expected to be
+         *    512 bytes long instead of 256 bytes.
+         *  - The BIOS should report VBE 3.0 information (potentially
+         *    including non-standard modes in the mode list).
+         */
+        movl $0x32454256, (%di)
         int $0x10