[kvm-ppc-devel] [PATCH 6 of 6] Reorganize PowerPC makefiles and add

[Hollis Blanchard <hollisb@us.ibm.com>]

# HG changeset patch
# User Hollis Blanchard <hollisb@us.ibm.com>
# Date 1200437012 21600
# Node ID 75481de4f07eab17035fb24f14417be2ee62ac10
# Parent  d4c0de7599e4a4ae107044aa4f4c95dc50f9ce6a

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>

---
3 files changed, 92 insertions(+), 18 deletions(-)
user/config-powerpc.mak    |   49 +++++++++++++++++++++++++++-----------------
user/test/powerpc/cstart.S |   38 ++++++++++++++++++++++++++++++++++
user/test/powerpc/exit.c   |   23 ++++++++++++++++++++


diff --git a/user/config-powerpc.mak b/user/config-powerpc.mak
--- a/user/config-powerpc.mak
+++ b/user/config-powerpc.mak
@@ -1,3 +1,4 @@ libcflat := test/lib/libcflat.a
+cstart := test/powerpc/cstart.o
 libcflat := test/lib/libcflat.a
 
 cflatobjs += \
@@ -5,27 +6,37 @@ cflatobjs += \
 	test/lib/powerpc/44x/map.o \
 	test/lib/powerpc/44x/tlbwe.o
 
+# these tests do not use libcflat
+simpletests := \
+	test/powerpc/spin.bin \
+	test/powerpc/io.bin \
+	test/powerpc/sprg.bin \
+	test/powerpc/44x/tlbsx.bin \
+	test/powerpc/44x/tlbwe_16KB.bin \
+	test/powerpc/44x/tlbwe_hole.bin \
+	test/powerpc/44x/tlbwe.bin
+
+# these tests use cstart.o, libcflat, and libgcc
+tests := \
+	test/powerpc/exit.bin
+
+all: kvmctl $(tests) $(simpletests)
+
 CFLAGS += -m32
 CFLAGS += -D__powerpc__
 CFLAGS += -I $(KERNELDIR)/include
+CFLAGS += -Wa,-mregnames
+
+$(simpletests): %.bin: %.o
+	$(CC) $(LDFLAGS) -nostdlib $^ -o $*.elf
+	$(OBJCOPY) -O binary $*.elf $@
+
+$(tests): %.bin: $(cstart) %.o $(libcflat)
+	$(CC) $(LDFLAGS) -nostdlib -Wl,-Ttext,0 $^ $(libgcc) -o $*.elf
+	$(OBJCOPY) -O binary $*.elf $@
+
 # for some reaons binutils hates tlbsx unless we say we're 405  :(
-CFLAGS += -Wa,-mregnames,-m405
-
-%.bin: %.o
-	$(OBJCOPY) -O binary $^ $@
-
-testobjs := \
-	io.bin \
-	spin.bin \
-	sprg.bin \
-	44x/tlbsx.bin \
-	44x/tlbwe_16KB.bin \
-	44x/tlbwe_hole.bin \
-	44x/tlbwe.bin
-
-tests := $(addprefix test/powerpc/, $(testobjs))
-
-all: kvmctl $(tests)
+test/powerpc/44x/tlbsx.bin: CFLAGS += -Wa,-m405
 
 $(libcflat): LDFLAGS += -nostdlib
 $(libcflat): CFLAGS += -ffreestanding -I test/lib -I test/lib/powerpc/44x
@@ -35,4 +46,6 @@ kvmctl_objs = main-ppc.o iotable.o ../li
 kvmctl_objs = main-ppc.o iotable.o ../libkvm/libkvm.a
 
 arch_clean:
-	rm -f $(tests) $(cflatobjs)
+	$(RM) $(simpletests) $(tests) $(cflatobjs) $(libcflat) $(cstart)
+	$(RM) $(patsubst %.bin, %.elf, $(simpletests) $(tests))
+	$(RM) $(patsubst %.bin, %.o, $(simpletests) $(tests))
diff --git a/user/test/powerpc/cstart.S b/user/test/powerpc/cstart.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/cstart.S
@@ -0,0 +1,38 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+#define OUTPUT_VADDR 0xf0000000
+#define OUTPUT_PADDR 0xf0000000
+
+.globl _start
+_start:
+	/* In the future we might need to assign a stack and zero BSS here. */
+
+	/* Map the debug page 1:1. */
+	lis	r3, OUTPUT_VADDR@h
+	ori	r3, r3, OUTPUT_VADDR@l
+	lis	r4, OUTPUT_PADDR@h
+	ori	r4, r4, OUTPUT_PADDR@l
+	bl	map
+
+	/* Call main() and pass return code to exit(). */
+	bl	main
+	bl	exit
+
+	b	.
diff --git a/user/test/powerpc/exit.c b/user/test/powerpc/exit.c
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/exit.c
@@ -0,0 +1,23 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+int main(void)
+{
+	return 1;
+}

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