From e8d30bba658f3cada315f64be99c4b8af4c8125a Mon Sep 17 00:00:00 2001
From: Erik van der Kouwe <erik@minix3.org>
Date: Thu, 24 Jun 2010 12:20:01 +0000
Subject: [PATCH] Beng's boot fix

---
 boot/Makefile  | 46 ++++++++++++++--------------------------------
 boot/boot.c    |  5 -----
 boot/doshead.s |  6 +++---
 3 files changed, 17 insertions(+), 40 deletions(-)

diff --git a/boot/Makefile b/boot/Makefile
index 67aa1c58b..b4e100193 100644
--- a/boot/Makefile
+++ b/boot/Makefile
@@ -4,8 +4,8 @@
 CC:=${CC:C/^gcc/cc/}
 COMPILER_TYPE:=ack
 
-PROGS=	bootblock cdbootblock boot masterboot \
-	jumpboot installboot edparams dosboot mkfile
+PROGS=	bootblock cdbootblock bootexec boot masterboot \
+	jumpboot installboot edparams
 
 SRCS.bootblock=		bootblock.s
 CPPFLAGS.bootblock.s=	${I86CPPFLAGS}
@@ -19,20 +19,19 @@ LDFLAGS.cdbootblock=	${I86LDFLAGS}
 BINDIR.cdbootblock=	/usr/mdec
 MAN.cdbootblock=
 
-SRCS.boot=		boothead.s boot.c bootimage.c rawfs86.c
+SRCS.bootexec=		boothead.s boot.c bootimage.c rawfs86.c
 CPPFLAGS.boothead.s=	${I86CPPFLAGS}
 CPPFLAGS.boot.c=	${I86CPPFLAGS}
 CPPFLAGS.bootimage.c=	${I86CPPFLAGS}
 CPPFLAGS.rawfs86.c=	${I86CPPFLAGS}
-LDFLAGS.boot=	${I86LDFLAGS}
-DPADD.boot=		${LIBSYS}
-LDADD.boot=		-lsys
-BINDIR.boot=	/usr/mdec
-MAN.boot=
+LDFLAGS.bootexec=	${I86LDFLAGS}
+DPADD.bootexec=		${LIBSYS}
+LDADD.bootexec=		-lsys
+BINDIR.bootexec=	/usr/mdec
+MAN.bootexec=
 
-all: .PHONY bootsize
-bootsize: boot
-	${INSTALL} -S 22kb boot
+BINDIR.boot=		/usr/mdec
+MAN.boot=
 
 SRCS.masterboot=	masterboot.s
 CPPFLAGS.masterboot.s=	${I86CPPFLAGS}
@@ -55,35 +54,18 @@ CPPFLAGS.edparams.c=	-DUNIX
 BINDIR.edparams=	/usr/bin
 MAN.edparams=
 
-SRCS.dosboot=		doshead.s dosboot.o bootimage.o rawfs86.o
-CPPFLAGS.dosboot.c=	-DDOS $(I86CPPFLAGS)
-LDADD.dosboot=	${I86LDFLAGS} -lsys
-BINDIR.dosboot=	/usr/mdec
-CPPFLAGS.doshead.s= -mi386
-MAN.dosboot=
-
-SRCS.mkfile=		mkfhead.s mkfile.c
-CPPFLAGS.mkfile.s=	${I86CPPFLAGS}
-LDADD.mkfile=	${I86LDFLAGS} -lsys
-BINDIR.mkfile=	/usr/mdec
-MAN.mkfile=
-
 rawfs86.c:	rawfs.c
 	ln -f rawfs.c rawfs86.c
 
 edparams.c:	boot.c
 	ln -f boot.c edparams.c
 
-dosboot.c: boot.c
-	ln -f boot.c dosboot.c
-
 cdbootblock.s:	bootblock.s
 	ln -f bootblock.s cdbootblock.s
 
-mkfile.com: mkfile
-
-boot.com: dosboot
-	./a.out2com dosboot boot.com
+boot: bootexec
+	install -S 22kb bootexec
+	cp bootexec boot
 
 CPPFLAGS=	-I${MINIXSRCDIR}
 AFLAGS=		-I${MINIXSRCDIR}
@@ -92,6 +74,6 @@ I86LDFLAGS=	-mi86 -Was-ncc -.o -com
 
 STRIPFLAG=	-s
 
-CLEANFILES+=	rawfs86.c edparams.c cdbootblock.s dosboot.c
+CLEANFILES+=	rawfs86.c edparams.c cdbootblock.s
 
 .include <minix.prog.mk>
diff --git a/boot/boot.c b/boot/boot.c
index ac42670a6..f73ae45b6 100644
--- a/boot/boot.c
+++ b/boot/boot.c
@@ -1472,11 +1472,6 @@ static void ctty(char *line)
 	printf("No serial line support under DOS\n");
 }
 
-reset()
-{
-	printf("No reset support under DOS\n");
-}
-
 #endif /* DOS */
 #endif /* BIOS */
 
diff --git a/boot/doshead.s b/boot/doshead.s
index 74b7dd4fc..8cd805786 100644
--- a/boot/doshead.s
+++ b/boot/doshead.s
@@ -634,19 +634,19 @@ _dev_boundary:
 	xor	ax, ax
 	ret
 
-! int biosreadsectors(u32_t bufaddr, u32_t sector, u8_t count)
+! int readsectors(u32_t bufaddr, u32_t sector, u8_t count)
 ! int writesectors(u32_t bufaddr, u32_t sector, u8_t count)
 !	Read/write several sectors from/to the Minix virtual disk.  Count
 !	must fit in a byte.  The external variable vfd is the file handle.
 !	Returns 0 for success, otherwise the DOS error code.
 !
-.define _biosreadsectors, _writesectors
+.define _readsectors, _writesectors
 _writesectors:
 	push	bp
 	mov	bp, sp
 	movb	13(bp), 0x40	! Code for a file write
 	jmp	rwsec
-_biosreadsectors:
+_readsectors:
 	push	bp
 	mov	bp, sp
 	movb	13(bp), 0x3F	! Code for a file read
-- 
2.44.0