gfxboot: increase bss alignment to 4K

Increase the bss alignment (and therefore the alignment of buffers) to
4K rather than 512 bytes -- this in anticipation of future hard disks
with 4K sectors.  This only changes the actual bss location by 1.5K.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/modules/gfxboot.asm b/modules/gfxboot.asm
index af1c6b5..c9fdd1b 100644 (file)
--- a/modules/gfxboot.asm
+++ b/modules/gfxboot.asm
@@ -931,7 +931,7 @@ gfx_mem0_start              dd 0                    ; 44: low free memory start
 gfx_mem0_end           dd 0                    ; 48: low free memory end
 gfx_sysconfig_end      equ $
 
-                       section .bss align=512
+                       section .bss align=4096
 trackbufsize           equ 16384
 trackbuf               resb trackbufsize
 configbuf              resb trackbufsize