Changeset 1496f87 in mainline for kernel/arch/ia32/src/boot/vesa_prot.inc

Timestamp:

2009-03-18T16:26:01Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

eada065e

Parents:

7dfc120a

Message:

properly detect VESA 16 bpp modes with 5:5:5 colors

File:

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

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

@@ -83 +83 @@
                 # returned back to protected mode
                 
-                mov %esi, KA2PA(vesa_ph_addr)
-                mov %di, KA2PA(vesa_height)
-                shr $16, %edi
-                mov %di, KA2PA(vesa_width)
-                mov %bx, KA2PA(vesa_scanline)
+                mov %ax, KA2PA(vesa_scanline)
+                shr $16, %eax
+                mov %ax, KA2PA(vesa_bpp)
+                
+                mov %bx, KA2PA(vesa_height)
                 shr $16, %ebx
-                mov %bx, KA2PA(vesa_bpp)
+                mov %bx, KA2PA(vesa_width)
+                
+                mov %dl, KA2PA(vesa_green_pos)
+                shr $8, %edx
+                mov %dl, KA2PA(vesa_green_mask)
+                shr $8, %edx
+                mov %dl, KA2PA(vesa_red_pos)
+                shr $8, %edx
+                mov %dl, KA2PA(vesa_red_mask)
+                
+                mov %esi, %edx
+                mov %dl, KA2PA(vesa_blue_pos)
+                shr $8, %edx
+                mov %dl, KA2PA(vesa_blue_mask)
+                
+                mov %edi, KA2PA(vesa_ph_addr)
 #endif