From: Shao Miller <shao.miller@yrdsb.edu.on.ca>
Date: Tue, 10 Mar 2009 05:13:25 +0000 (-0400)
Subject: memdisk-cd: Kill off Int13MaxFunc slot for installer handling EDD case
X-Git-Tag: syslinux-3.74-pre11~1^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7e8ae6da382eb345cb07a836d4230fe9064726c5;p=platform%2Fupstream%2Fsyslinux.git

memdisk-cd: Kill off Int13MaxFunc slot for installer handling EDD case

The memdisk install code previously controlled EDD features by controlling
how many INT 13 functions were available.  Since we have EDD and non-EDD
versions of the memdisk hooking code now, this is no longer needed.
---

diff --git a/memdisk/memdisk.inc b/memdisk/memdisk.inc
index eae5e19..1e2076b 100644
--- a/memdisk/memdisk.inc
+++ b/memdisk/memdisk.inc
@@ -148,7 +148,7 @@ Int13Start:
 		mov bp,sp		; Point BP to the entry stack frame
 		TRACER 'F'
 		; Note: AH == P_AH here
-		cmp ah,[Int13MaxFunc]
+		cmp ah,[Int13FuncsCnt-1]
 		ja Invalid_jump
 		xor al,al		; AL = 0 is standard entry condition
 		mov di,ax
@@ -929,10 +929,6 @@ DPT_ptr		dw 0			; If nonzero, pointer to DPT
 MDI_Len		equ $-MemDisk_Info
 
 ; ---- MDI structure ends here ---
-Int13MaxFunc	db Int13FuncsCnt-1	; Max INT 13h function (to disable EDD)
-		db 0			; pad
-
-		dw 0			; pad
 MemInt1588	dw 0			; 1MB-65MB memory amount (1K)
 
 Cylinders	dw 0			; Cylinder count
diff --git a/memdisk/setup.c b/memdisk/setup.c
index 1cd5e11..bdc6086 100644
--- a/memdisk/setup.c
+++ b/memdisk/setup.c
@@ -96,10 +96,6 @@ struct patch_area {
 
   uint16_t dpt_ptr;
   /* End of the official MemDisk_Info */
-  uint8_t  maxint13func;
-  uint8_t  _pad2;
-
-  uint16_t _pad3;
   uint16_t memint1588;
 
   uint16_t cylinders;