alpha: improve testsuite

misc tiny patches:
* add a 'check' target to the Makefile
* split code in crt.s to create the _exit syscall; also use the value of
main() as exit status

Signed-off-by: Tristan Gingold <gingold@adacore.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5244 c046a42c-6fe2-441c-8c8c-71466251a162

tests/alpha/Makefile

@@ -5,7 +5,7 @@ AS=$(CROSS)as
 SIM=../../alpha-linux-user/qemu-alpha
 
 CFLAGS=-O
-LINK=$(CC) -v -o $@ crt.o $< -nostdlib
+LINK=$(CC) -o $@ crt.o $< -nostdlib
 
 TESTS=test-cond test-cmov
 
@@ -23,7 +23,10 @@ test-cmov.o: test-cond.c
 test-cmov: test-cmov.o crt.o
 	$(LINK)
 
+check: $(TESTS)
+	for f in $(TESTS); do $(SIM) $$f || exit 1; done
+
 clean:
 	$(RM) *.o *~ hello-alpha $(TESTS)
 
-.PHONY: clean all
+.PHONY: clean all check

tests/alpha/crt.s

@@ -9,12 +9,15 @@ _start:
 	.prologue 0
 	ldq $27,main($29) !literal!1
 	jsr $26,($27)
+	or $0,$0,$16
+	.end _start
 
+	.globl _exit
+_exit:
 	lda $0,1
 	callsys
 
 	call_pal 0
-	.end _start
 
 	.globl write
 write: