stubdom: make the build more generic by moving as many stubdom parts

into stubdom/ as possible.  That also permits to build all of
ioemu, c and caml stubdoms at the same time.

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

4 files changed, 7 insertions, 78 deletions

diff --git a/extras/mini-os/Config.mk b/extras/mini-os/Config.mk
index 15f7ed832c..96dd739ce7 100644
--- a/extras/mini-os/Config.mk
+++ b/extras/mini-os/Config.mk
@@ -55,11 +55,3 @@ DEF_CPPFLAGS += -DHAVE_LWIP
 DEF_CPPFLAGS += -I$(LWIPDIR)/src/include
 DEF_CPPFLAGS += -I$(LWIPDIR)/src/include/ipv4
 endif
-
-ifneq ($(QEMUDIR),)
-qemu=y
-endif
-
-ifneq ($(CAMLDIR),)
-caml=y
-endif
diff --git a/extras/mini-os/Makefile b/extras/mini-os/Makefile
index 8cec019e42..18497e1843 100644
--- a/extras/mini-os/Makefile
+++ b/extras/mini-os/Makefile
@@ -73,44 +73,25 @@ lwip.a: $(LWO)
 OBJS += lwip.a
 endif
 
-OBJS := $(filter-out lwip%.o $(LWO), $(OBJS))
-
-ifeq ($(caml),y)
-CAMLLIB = $(shell ocamlc -where)
-APP_OBJS += main-caml.o
-APP_OBJS += $(CAMLDIR)/caml.o
-APP_OBJS += $(CAMLLIB)/libasmrun.a
-CFLAGS += -I$(CAMLLIB)
-APP_LDLIBS += -lm
-endif
-OBJS := $(filter-out main-caml.o, $(OBJS))
-
-ifeq ($(qemu),y)
-APP_OBJS += $(QEMUDIR)/i386-dm-stubdom/qemu.a $(QEMUDIR)/i386-dm-stubdom/libqemu.a
-CFLAGS += -DCONFIG_QEMU
-endif
-
-ifneq ($(CDIR),)
-APP_OBJS += $(CDIR)/main.a
-APP_LDLIBS += 
-endif
+OBJS := $(filter-out main.o lwip%.o $(LWO), $(OBJS))
 
 ifeq ($(libc),y)
 APP_LDLIBS += -L$(XEN_ROOT)/stubdom/libxc -whole-archive -lxenguest -lxenctrl -no-whole-archive
 APP_LDLIBS += -lpci
 APP_LDLIBS += -lz
+APP_LDLIBS += -lm
 LDLIBS += -lc
 endif
 
-ifneq ($(caml)-$(qemu)-$(CDIR)-$(lwip),---y)
+ifneq ($(APP_OBJS)-$(lwip),-y)
 OBJS := $(filter-out daytime.o, $(OBJS))
 endif
 
-app.o: $(APP_OBJS) app.lds
-	$(LD) -r -d $(LDFLAGS) $^ $(APP_LDLIBS) --undefined main -o $@
+$(TARGET)_app.o: $(APP_OBJS) app.lds
+	$(LD) -r -d $(LDFLAGS) $^ $(APP_LDLIBS) --undefined app_main -o $@
 
-$(TARGET): links $(OBJS) app.o arch_lib
-	$(LD) -r $(LDFLAGS) $(HEAD_OBJ) app.o $(OBJS) $(LDARCHLIB) $(LDLIBS) -o $@.o
+$(TARGET): links $(OBJS) $(TARGET)_app.o arch_lib
+	$(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(TARGET)_app.o $(OBJS) $(LDARCHLIB) $(LDLIBS) -o $@.o
 	$(OBJCOPY) -w -G $(GLOBAL_PREFIX)* -G _start $@.o $@.o
 	$(LD) $(LDFLAGS) $(LDFLAGS_FINAL) $@.o $(EXTRA_OBJS) -o $@
 	gzip -f -9 -c $@ >$@.gz
diff --git a/extras/mini-os/main-caml.c b/extras/mini-os/main-caml.c
deleted file mode 100644
index dd55aca38f..0000000000
--- a/extras/mini-os/main-caml.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Caml bootstrap
- *
- * Samuel Thibault <Samuel.Thibault@eu.citrix.net>, January 2008
- */
-
-#include <stdio.h>
-#include <errno.h>
-
-#include <caml/mlvalues.h>
-#include <caml/callback.h>
-#include <unistd.h>
-
-/* Ugly binary compatibility with Linux */
-FILE *_stderr asm("stderr");
-int *__errno_location;
-/* Will probably break everything, probably need to fetch from glibc */
-void *__ctype_b_loc;
-
-int main(int argc, char *argv[], char *envp[])
-{
-    value *val;
-
-    /* Get current thread's value */
-    _stderr = stderr;
-    __errno_location = &errno;
-
-    printf("starting caml\n");
-
-    /* Wait before things might hang up */
-    sleep(1);
-
-    caml_startup(argv);
-    val = caml_named_value("main");
-    if (!val) {
-        printf("Couldn't find Caml main");
-        return 1;
-    }
-    caml_callback(*val, Val_int(0));
-    printf("callback returned\n");
-    return 0;
-}
diff --git a/extras/mini-os/main.c b/extras/mini-os/main.c
index 1851469c3e..74904bbf1e 100644
--- a/extras/mini-os/main.c
+++ b/extras/mini-os/main.c
@@ -4,7 +4,6 @@
  * Samuel Thibault <Samuel.Thibault@eu.citrix.net>, October 2007
  */
 
-#ifdef HAVE_LIBC
 #include <os.h>
 #include <sched.h>
 #include <console.h>
@@ -180,4 +179,3 @@ int app_main(start_info_t *si)
     main_thread = create_thread("main", call_main, si);
     return 0;
 }
-#endif