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-rw-r--r--include/fpu/softfloat.h3
-rw-r--r--include/hw/ide.h1
-rw-r--r--include/qemu-common.h2
-rw-r--r--include/qemu/module.h23
-rw-r--r--include/qemu/osdep.h9
5 files changed, 36 insertions, 2 deletions
diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h
index 806ae13780..4b4df88527 100644
--- a/include/fpu/softfloat.h
+++ b/include/fpu/softfloat.h
@@ -249,11 +249,14 @@ void float_raise( int8 flags STATUS_PARAM);
 | Using these differs from negating an input or output before calling
 | the muladd function in that this means that a NaN doesn't have its
 | sign bit inverted before it is propagated.
+| We also support halving the result before rounding, as a special
+| case to support the ARM fused-sqrt-step instruction FRSQRTS.
 *----------------------------------------------------------------------------*/
 enum {
     float_muladd_negate_c = 1,
     float_muladd_negate_product = 2,
     float_muladd_negate_result = 4,
+    float_muladd_halve_result = 8,
 };
 
 /*----------------------------------------------------------------------------
diff --git a/include/hw/ide.h b/include/hw/ide.h
index 507e6d33cb..bc8bd321a2 100644
--- a/include/hw/ide.h
+++ b/include/hw/ide.h
@@ -17,6 +17,7 @@ void pci_cmd646_ide_init(PCIBus *bus, DriveInfo **hd_table,
 PCIDevice *pci_piix3_xen_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn);
 PCIDevice *pci_piix3_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn);
 PCIDevice *pci_piix4_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn);
+int pci_piix3_xen_ide_unplug(DeviceState *dev);
 void vt82c686b_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn);
 
 /* ide-mmio.c */
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 20ace93098..c8a58a873a 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -354,7 +354,7 @@ char *qemu_find_file(int type, const char *name);
 
 /* OS specific functions */
 void os_setup_early_signal_handling(void);
-char *os_find_datadir(const char *argv0);
+char *os_find_datadir(void);
 void os_parse_cmd_args(int index, const char *optarg);
 void os_pidfile_error(void);
 
diff --git a/include/qemu/module.h b/include/qemu/module.h
index c4ccd57166..72d94984a2 100644
--- a/include/qemu/module.h
+++ b/include/qemu/module.h
@@ -14,11 +14,31 @@
 #ifndef QEMU_MODULE_H
 #define QEMU_MODULE_H
 
+#include "qemu/osdep.h"
+
+#define DSO_STAMP_FUN         glue(qemu_stamp, CONFIG_STAMP)
+#define DSO_STAMP_FUN_STR     stringify(DSO_STAMP_FUN)
+
+#ifdef BUILD_DSO
+void DSO_STAMP_FUN(void);
+/* This is a dummy symbol to identify a loaded DSO as a QEMU module, so we can
+ * distinguish "version mismatch" from "not a QEMU module", when the stamp
+ * check fails during module loading */
+void qemu_module_dummy(void);
+
+#define module_init(function, type)                                         \
+static void __attribute__((constructor)) do_qemu_init_ ## function(void)    \
+{                                                                           \
+    register_dso_module_init(function, type);                               \
+}
+#else
 /* This should not be used directly.  Use block_init etc. instead.  */
 #define module_init(function, type)                                         \
-static void __attribute__((constructor)) do_qemu_init_ ## function(void) {  \
+static void __attribute__((constructor)) do_qemu_init_ ## function(void)    \
+{                                                                           \
     register_module_init(function, type);                                   \
 }
+#endif
 
 typedef enum {
     MODULE_INIT_BLOCK,
@@ -34,6 +54,7 @@ typedef enum {
 #define type_init(function) module_init(function, MODULE_INIT_QOM)
 
 void register_module_init(void (*fn)(void), module_init_type type);
+void register_dso_module_init(void (*fn)(void), module_init_type type);
 
 void module_call_init(module_init_type type);
 
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index eac7172bcb..ffb296692d 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -215,6 +215,15 @@ bool fips_get_state(void);
  */
 char *qemu_get_local_state_pathname(const char *relative_pathname);
 
+/* Find program directory, and save it for later usage with
+ * qemu_get_exec_dir().
+ * Try OS specific API first, if not working, parse from argv0. */
+void qemu_init_exec_dir(const char *argv0);
+
+/* Get the saved exec dir.
+ * Caller needs to release the returned string by g_free() */
+char *qemu_get_exec_dir(void);
+
 /**
  * qemu_getauxval:
  * @type: the auxiliary vector key to lookup