[Xen-devel] [PATCH 3/6] ioemu: Build tapdisk-ioemu binary

[Kevin Wolf <kwolf@xxxxxxx>]

When changing away from the old ioemu, changes in the Makefiles
resulted in tapdisk-ioemu appearing there, but actually not
being built. This patch re-enables the build of tapdisk-ioemu.

Signed-off-by: Kevin Wolf <kwolf@xxxxxxx>
---
 Makefile        |   22 +++++++++++++++-------
 configure       |    2 +-
 qemu-tool.c     |    2 +-
 tapdisk-ioemu.c |   17 -----------------
 4 files changed, 17 insertions(+), 26 deletions(-)

diff --git a/Makefile b/Makefile
index e31fe82..6873b0c 100644
--- a/Makefile
+++ b/Makefile
@@ -44,13 +44,6 @@ $(filter %-user,$(SUBDIR_RULES)): libqemu_user.a
 
 recurse-all: $(SUBDIR_RULES)
 
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/libxc
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/blktap/lib
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/xenstore
-tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/include
-tapdisk-ioemu: tapdisk-ioemu.c cutils.c block.c block-raw.c block-cow.c 
block-qcow.c aes.c block-vmdk.c block-cloop.c block-dmg.c block-bochs.c 
block-vpc.c block-vvfat.c block-qcow2.c hw/xen_blktap.c osdep.c
-       $(CC) -DQEMU_TOOL $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) $(LDFLAGS) 
$(BASE_LDFLAGS) -o $@ $^ -lz $(LIBS)
-
 #######################################################################
 # BLOCK_OBJS is code used by both qemu system emulation and qemu-img
 
@@ -66,6 +59,21 @@ else
 BLOCK_OBJS += block-raw-posix.o
 endif
 
+#######################################################################
+# tapdisk-ioemu
+
+hw/tapdisk-xen_blktap.o: hw/xen_blktap.c
+       $(CC) $(CFLAGS) $(CPPFLAGS) -DQEMU_IMG -DQEMU_TOOL -c -o $@ $<
+tapdisk-ioemu.o: tapdisk-ioemu.c
+       $(CC) $(CFLAGS) $(CPPFLAGS) -DQEMU_IMG -DQEMU_TOOL -c -o $@ $<
+
+tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/libxc
+tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/blktap/lib
+tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/xenstore
+tapdisk-ioemu: CPPFLAGS += -I$(XEN_ROOT)/tools/include
+tapdisk-ioemu: tapdisk-ioemu.o $(BLOCK_OBJS) qemu-tool.o 
hw/tapdisk-xen_blktap.o
+       $(CC) $(LDFLAGS) -o $@ $^ -lz $(LIBS)
+
 ######################################################################
 # libqemu_common.a: Target independent part of system emulation. The
 # long term path is to suppress *all* target specific code in case of
diff --git a/configure b/configure
index 2ec19d7..37a4177 100755
--- a/configure
+++ b/configure
@@ -1326,7 +1326,7 @@ fi
 
 echo "#define CONFIG_UNAME_RELEASE \"$uname_release\"" >> $config_h
 
-tools=
+tools="tapdisk-ioemu"
 if test `expr "$target_list" : ".*softmmu.*"` != 0 ; then
   tools="qemu-img\$(EXESUF) $tools"
   if [ "$linux" = "yes" ] ; then
diff --git a/qemu-tool.c b/qemu-tool.c
index 87cc294..7aa55cd 100644
--- a/qemu-tool.c
+++ b/qemu-tool.c
@@ -70,7 +70,7 @@ void qemu_bh_delete(QEMUBH *bh)
     qemu_free(bh);
 }
 
-int qemu_set_fd_handler2(int fd,
+int __attribute__((weak)) qemu_set_fd_handler2(int fd,
                          IOCanRWHandler *fd_read_poll,
                          IOHandler *fd_read,
                          IOHandler *fd_write,
diff --git a/tapdisk-ioemu.c b/tapdisk-ioemu.c
index 52c5ac6..5e5ccc2 100644
--- a/tapdisk-ioemu.c
+++ b/tapdisk-ioemu.c
@@ -22,20 +22,6 @@ extern void *fd_start;
 int domid = 0;
 FILE* logfile;
 
-void term_printf(const char *fmt, ...)
-{
-    va_list ap;
-    va_start(ap, fmt);
-    vprintf(fmt, ap);
-    va_end(ap);
-}
-
-void term_print_filename(const char *filename)
-{
-    term_printf(filename);
-}
-
-
 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
 typedef int IOCanRWHandler(void *opaque);
 typedef void IOHandler(void *opaque);
@@ -103,7 +89,6 @@ int main(void)
     logfile = stderr;
     
     bdrv_init();
-    qemu_aio_init();
     init_blktap();
 
     /* Daemonize */
@@ -115,8 +100,6 @@ int main(void)
      * completed aio operations.
      */
     while (1) {
-        qemu_aio_poll();
-
         max_fd = -1;
         FD_ZERO(&rfds);
         for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next)
-- 
1.6.0.2


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