From 8def34839dc959a9135f488ebf9e138b2ebe6112 Mon Sep 17 00:00:00 2001
From: hpa <hpa>
Date: Fri, 11 Apr 2003 05:44:56 +0000
Subject: [PATCH] Preparations for work on MDSLINUX, if it ever happens

---
 bootsect.inc  | 12 +++++++-----
 comboot.inc   |  4 ++--
 ldlinux.asm   | 13 ++++++++++++-
 macros.inc    |  3 +++
 runkernel.inc |  2 +-
 ui.inc        | 10 +++++-----
 6 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/bootsect.inc b/bootsect.inc
index ccf5331..afa6568 100644
--- a/bootsect.inc
+++ b/bootsect.inc
@@ -25,7 +25,7 @@
 ; Load a boot sector
 ;
 is_bootsector:
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		; Transfer zero bytes
 		xor cx,cx
 		jmp short load_bootsec
@@ -42,14 +42,14 @@ load_bootsec:
 		call load_high
 		call crlf
 
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		pop cx
 %endif
 
 		sub edi,100000h
 		push edi		; Save length
 
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		jcxz .not_bss
 
 		; For a BSS boot sector we have to patch.
@@ -66,7 +66,7 @@ load_bootsec:
 		call vgaclearmode
 		xor edx,edx
 		xor eax,eax
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		mov dl,[bsDriveNumber]
 
 		mov si,PartInfo
@@ -106,7 +106,9 @@ load_bootsec:
 
 		jmp bcopy_over_self
 
-%if IS_SYSLINUX = 0
+%if IS_SYSLINUX || IS_MDSLINUX
+		; Nothing
+%else
 is_bss_sector:
 		mov si,err_bssimage
 		call cwritestr
diff --git a/comboot.inc b/comboot.inc
index 2388ad1..5e1d8e9 100644
--- a/comboot.inc
+++ b/comboot.inc
@@ -449,7 +449,7 @@ comapi_pxecall	equ comapi_err			; Not available
 ;
 comapi_derinfo:
 		mov P_AL,my_id
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		mov al,[bsDriveNumber]
 		mov P_DL,al
 		mov P_ES,cs
@@ -499,7 +499,7 @@ comapi_cleanup:
 		test dl,3
 		setnz [KeepPXE]
 		call unload_pxe
-%elif IS_SYSLINUX
+%elif IS_SYSLINUX || IS_MDSLINUX
 		; Restore original FDC table
 		mov eax,[OrigFDCTabPtr]
 		mov [fdctab],eax
diff --git a/ldlinux.asm b/ldlinux.asm
index dd1f10e..cb146b9 100644
--- a/ldlinux.asm
+++ b/ldlinux.asm
@@ -26,7 +26,9 @@
 ; 
 ; ****************************************************************************
 
+%ifndef IS_MDSLINUX
 %define IS_SYSLINUX 1
+%endif
 %include "macros.inc"
 %include "config.inc"
 %include "kernel.inc"
@@ -647,7 +649,13 @@ magic_len	equ $-bs_magic
 
 ldlinux_sys:
 
-syslinux_banner	db 0Dh, 0Ah, 'SYSLINUX ', version_str, ' ', date, ' ', 0
+syslinux_banner	db 0Dh, 0Ah
+%if IS_MDSLINUX
+		db 'MDSLINUX '
+%else
+		db 'SYSLINUX '
+%endif
+		db version_str, ' ', date, ' ', 0
 		db 0Dh, 0Ah, 1Ah	; EOF if we "type" this in DOS
 
 ldlinux_magic	db 'LDLINUX SYS'
@@ -1381,6 +1389,9 @@ crlf_msg	db CR, LF
 null_msg	db 0
 crff_msg	db CR, FF, 0
 syslinux_cfg	db 'SYSLINUXCFG'
+%if IS_MDSLINUX
+manifest	db 'MANIFEST   '
+%endif
 ;
 ; Command line options we'd like to take a look at
 ;
diff --git a/macros.inc b/macros.inc
index f1cb66d..f12ff3f 100644
--- a/macros.inc
+++ b/macros.inc
@@ -27,6 +27,9 @@
 %ifndef IS_SYSLINUX
 %define IS_SYSLINUX 0
 %endif
+%ifndef IS_MDSLINUX
+%define IS_MDSLINUX 0
+%endif
 %ifndef IS_PXELINUX
 %define IS_PXELINUX 0
 %endif
diff --git a/runkernel.inc b/runkernel.inc
index c536967..1b23cdc 100644
--- a/runkernel.inc
+++ b/runkernel.inc
@@ -451,7 +451,7 @@ root_not_floppy:
 ; Copy the disk table to high memory, then re-initialize the floppy
 ; controller
 ;
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		lgs si,[cs:fdctab]
 		mov di,linux_fdctab
 		mov cx,6			; 12 bytes
diff --git a/ui.inc b/ui.inc
index c8d309d..5711439 100644
--- a/ui.inc
+++ b/ui.inc
@@ -240,7 +240,7 @@ not_vk:		pop ds
 ; Find the kernel on disk
 ;
 get_kernel:     mov byte [KernelName+FILENAME_MAX],0	; Zero-terminate filename/extension
-%if IS_SYSLINUX		; SYSLINUX has to deal with DOS mangled names...
+%if IS_SYSLINUX || IS_MDSLINUX		; SYSLINUX has to deal with DOS mangled names...
 		mov eax,[KernelName+8]		; Save initial extension
 		mov [exten_table_end],eax	; Last case == initial ext.
 %else
@@ -259,7 +259,7 @@ get_kernel:     mov byte [KernelName+FILENAME_MAX],0	; Zero-terminate filename/e
 		pop bx
                 jnz kernel_good
 		mov eax,[bx]			; Try a different extension
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		mov [KernelName+8],eax
 %else
 		mov si,[KernelExtPtr]
@@ -318,7 +318,7 @@ vk_found:	popa
 %endif
 		xor bx,bx			; Try only one version
 
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		jmp get_kernel
 %else
 		; Is this a "localboot" pseudo-kernel?
@@ -360,7 +360,7 @@ kernel_good:
 		mov [KernelCNameLen],di
 		popa
 		
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		mov ecx,[KernelName+7]
 		mov cl,'.'
 %else
@@ -397,7 +397,7 @@ kernel_good:
 		je is_bss_sector
 		cmp ecx,'.bin'
 		je is_bootsector
-%if IS_SYSLINUX
+%if IS_SYSLINUX || IS_MDSLINUX
 		cmp ecx,'.bs '
 		je is_bootsector
 		cmp ecx,'.0  '
-- 
2.7.4