- Enable PnP and ISA PnP code.

- Use the ISA PnP enumerator.
 - Use the new linker set code, throw out the gensetdefs stuff.
 - Produce an intermediate loader image that has symbols stripped, to aid
 - in debugging.
 - Supply ISA port access functions required for ISA PnP

sys/boot/i386/loader/Makefile

@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.11 1998/10/12 01:03:00 rnordier Exp $
+# $Id: Makefile,v 1.12 1998/10/14 07:08:16 peter Exp $
 
 BASE=		loader
 PROG=		${BASE}
@@ -11,8 +11,8 @@ BINDIR?=	/boot
 SRCS=		main.c conf.c
 
 # Enable PnP and ISA-PnP code.
-#HAVE_PNP=	yes
+HAVE_PNP=	yes
-#HAVE_ISABUS=	yes
+HAVE_ISABUS=	yes
 
 # Always add MI sources 
 .PATH:		${.CURDIR}/../../common
@@ -20,8 +20,7 @@ SRCS=		main.c conf.c
 CFLAGS+=	-I${.CURDIR}/../../common
 CFLAGS+=	-I${.CURDIR}/../../.. -I.
 
-CLEANFILES+=	vers.c vers.o ${BASE}.list setdef0.o setdef1.o setdefs.h \
+CLEANFILES+=	vers.c vers.o ${BASE}.list ${BASE}.bin
-		gensetdefs.o gensetdefs ${BASE}.bin
 
 CFLAGS+=	-Wall
 LDFLAGS=	-nostdlib -static -Ttext 0x1000
@@ -49,6 +48,9 @@ CFLAGS+=	-I${.CURDIR}/../btx/lib
 # BTX is expecting ELF components
 CFLAGS+=	-elf
 
+# New linker set code
+CFLAGS+=	-DNEW_LINKER_SET
+
 # Debug me!
 #CFLAGS+=	-g
 #LDFLAGS+=	-g
@@ -61,30 +63,26 @@ ${BASE}: ${BASE}.bin ${BTXLDR} ${BTXKERN}
 	btxld -v -f aout -e 0x100000 -o ${.TARGET} -l ${BTXLDR} -b ${BTXKERN} \
 		${BASE}.bin
 
-${BASE}.bin: ${OBJS} ${LIBI386} vers.o setdef0.o setdef1.o
+${BASE}.bin: ${BASE}.sym
-	${CC} ${LDFLAGS} -o ${.TARGET} ${BTXCRT} setdef0.o ${OBJS} vers.o setdef1.o \
+	cp ${.ALLSRC} ${.TARGET}
+	strip ${.TARGET}
+
+# Cannot use ${OBJS} above this line
+.include <bsd.prog.mk>
+
+${BASE}.sym: ${OBJS} ${LIBI386} vers.o
+	${CC} ${LDFLAGS} -o ${.TARGET} ${BTXCRT} ${OBJS} vers.o \
 		${LIBSTAND} ${LIBI386} ${LIBSTAND}
 
-setdef0.o:	setdefs.h
+# If it's not there, don't consider it a target
-
+.if exists(${.CURDIR}/../../../i386/include)
-setdef1.o:	setdefs.h
+beforedepend ${OBJS}: machine
 
 machine:
 	ln -sf ${.CURDIR}/../../../i386/include machine
 
+.endif
+
 CLEANFILES+=	machine
 
-.include <bsd.prog.mk>
 
-# Linker set gymnastics
-setdefs.h: gensetdefs ${OBJS}
-	@echo Generating linker sets
-	@./gensetdefs ${OBJS} >setdefs.h
-
-gensetdefs: gensetdefs.o
-	${CC} -static gensetdefs.o -o $@
-
-gensetdefs.o: gensetdefs.c
-	${CC} -c $<
-
-beforedepend ${OBJS}: machine

sys/boot/i386/loader/conf.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: conf.c,v 1.6 1998/09/30 19:48:42 peter Exp $
+ *	$Id: conf.c,v 1.7 1998/10/07 02:39:32 msmith Exp $
  */
 
 #include <stand.h>
@@ -88,7 +88,7 @@ extern struct pnphandler isapnphandler;
 /* extern struct pnphandler pcipnphandler;*/
 
 struct pnphandler *pnphandlers[] = {
-/*    &isapnphandler, */
+    &isapnphandler,
 /*    &pcipnphandler, */
     NULL
 };

sys/boot/i386/loader/main.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: main.c,v 1.10 1998/10/03 18:27:50 rnordier Exp $
+ *	$Id: main.c,v 1.11 1998/10/04 09:12:54 msmith Exp $
  */
 
 /*
@@ -58,6 +58,8 @@ static struct bootinfo	*initial_bootinfo;
 struct arch_switch	archsw;		/* MI/MD interface boundary */
 
 static void		extract_currdev(void);
+static int		isa_inb(int port);
+static void		isa_outb(int port, int value);
 
 /* from vers.c */
 extern	char bootprog_name[], bootprog_rev[], bootprog_date[], bootprog_maker[];
@@ -118,6 +120,8 @@ main(void)
     archsw.arch_copyin = i386_copyin;
     archsw.arch_copyout = i386_copyout;
     archsw.arch_readin = i386_readin;
+    archsw.arch_isainb = isa_inb;
+    archsw.arch_isaoutb = isa_outb;
 
     interact();			/* doesn't return */
 }
@@ -195,3 +199,34 @@ command_heap(int argc, char *argv[])
     printf("heap base at %p, top at %p\n", end, sbrk(0));
     return(CMD_OK);
 }
+
+/* ISA bus access functions for PnP, derived from <machine/cpufunc.h> */
+static int		
+isa_inb(int port)
+{
+    u_char	data;
+    
+    if (__builtin_constant_p(port) && 
+	(((port) & 0xffff) < 0x100) && 
+	((port) < 0x10000)) {
+	__asm __volatile("inb %1,%0" : "=a" (data) : "id" ((u_short)(port)));
+    } else {
+	__asm __volatile("inb %%dx,%0" : "=a" (data) : "d" (port));
+    }
+    return(data);
+}
+
+static void
+isa_outb(int port, int value)
+{
+    u_char	al = value;
+    
+    if (__builtin_constant_p(port) && 
+	(((port) & 0xffff) < 0x100) && 
+	((port) < 0x10000)) {
+	__asm __volatile("outb %0,%1" : : "a" (al), "id" ((u_short)(port)));
+    } else {
+        __asm __volatile("outb %0,%%dx" : : "a" (al), "d" (port));
+    }
+}
+