Merge branch 'qom-cpu' of git://repo.or.cz/qemu/afaerber

* 'qom-cpu' of git://repo.or.cz/qemu/afaerber:
  MAINTAINERS: Include X86CPU in CPU maintenance area
  cpu: Move kvm_run into CPUState
  cpu: Move kvm_state field into CPUState
  ppc_booke: Pass PowerPCCPU to ppc_booke_timers_init()
  ppc4xx_devs: Return PowerPCCPU from ppc4xx_init()
  ppc_booke: Pass PowerPCCPU to {decr,fit,wdt} timer callbacks
  ppc: Pass PowerPCCPU to [h]decr timer callbacks
  ppc: Pass PowerPCCPU to [h]decr callbacks
  ppc: Pass PowerPCCPU to ppc_set_irq()
  kvm: Pass CPUState to kvm_vcpu_ioctl()
  kvm: Pass CPUState to kvm_arch_*
  cpu: Move kvm_fd into CPUState
  qdev-properties.c: Separate core from the code used only by qemu-system-*
  qdev: Coding style fixes
  cpu: Introduce CPUListState struct
  target-alpha: Add support for -cpu ?
  target-alpha: Turn CPU definitions into subclasses
  target-alpha: Avoid leaking the alarm timer over reset
  alpha: Pass AlphaCPU array to Typhoon
  target-alpha: Let cpu_alpha_init() return AlphaCPU

diff --git a/.gitignore b/.gitignore
index 3a417656e288639f6c86f46200e6cc54ef517b0b..0e3816918cd3d670317a70ba46e823d205aee1c6 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -3,10 +3,10 @@ config-all-devices.*
 config-all-disas.*
 config-host.*
 config-target.*
-trace.h
-trace.c
-trace-dtrace.h
-trace-dtrace.dtrace
+trace/generated-tracers.h
+trace/generated-tracers.c
+trace/generated-tracers-dtrace.h
+trace/generated-tracers-dtrace.dtrace
 *-timestamp
 *-softmmu
 *-darwin-user

diff --git a/MAINTAINERS b/MAINTAINERS
index ba0a8cd148cebca0a1e67361a2e10a0d9e71739b..cf39e5a00a422944905a6e099c3dade8aaad38a4 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -132,7 +132,7 @@ Guest CPU Cores (KVM):
 ----------------------
 
 Overall
-M: Avi Kivity <avi@redhat.com>
+M: Gleb Natapov <gleb@redhat.com>
 M: Marcelo Tosatti <mtosatti@redhat.com>
 L: kvm@vger.kernel.org
 S: Supported
@@ -150,7 +150,7 @@ S: Maintained
 F: target-s390x/kvm.c
 
 X86
-M: Avi Kivity <avi@redhat.com>
+M: Gleb Natapov <gleb@redhat.com>
 M: Marcelo Tosatti <mtosatti@redhat.com>
 L: kvm@vger.kernel.org
 S: Supported

diff --git a/Makefile b/Makefile
index a0321dd7f04d653ee49b93880a7dda4264281821..a7ac04b9ae538872ac4d528d900388fed77b6421 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -31,12 +31,15 @@ ifneq ($(filter-out %clean,$(MAKECMDGOALS)),$(if $(MAKECMDGOALS),,fail))
 endif
 endif
 
-GENERATED_HEADERS = config-host.h trace.h qemu-options.def
+GENERATED_HEADERS = config-host.h qemu-options.def
+GENERATED_HEADERS += qmp-commands.h qapi-types.h qapi-visit.h
+GENERATED_SOURCES += qmp-marshal.c qapi-types.c qapi-visit.c
+
+GENERATED_HEADERS += trace/generated-tracers.h
 ifeq ($(TRACE_BACKEND),dtrace)
-GENERATED_HEADERS += trace-dtrace.h
+GENERATED_HEADERS += trace/generated-tracers-dtrace.h
 endif
-GENERATED_HEADERS += qmp-commands.h qapi-types.h qapi-visit.h
-GENERATED_SOURCES += qmp-marshal.c qapi-types.c qapi-visit.c trace.c
+GENERATED_SOURCES += trace/generated-tracers.c
 
 # Don't try to regenerate Makefile or configure
 # We don't generate any of them
@@ -233,9 +236,9 @@ clean:
        rm -f *.a *.lo $(TOOLS) $(HELPERS-y) qemu-ga TAGS cscope.* *.pod *~ */*~
        rm -Rf .libs
        rm -f qemu-img-cmds.h
-       rm -f trace-dtrace.dtrace trace-dtrace.dtrace-timestamp
        @# May not be present in GENERATED_HEADERS
-       rm -f trace-dtrace.h trace-dtrace.h-timestamp
+       rm -f trace/generated-tracers-dtrace.dtrace*
+       rm -f trace/generated-tracers-dtrace.h*
        rm -f $(foreach f,$(GENERATED_HEADERS),$(f) $(f)-timestamp)
        rm -f $(foreach f,$(GENERATED_SOURCES),$(f) $(f)-timestamp)
        rm -rf qapi-generated

diff --git a/Makefile.objs b/Makefile.objs
index 4ef0a718d2bf14d936c75f46c0b793e8f062487c..3a3a4028c583017fd538ec2624955ada0b34f53e 100644 (file)
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -133,66 +133,7 @@ universal-obj-y += disas/
 ######################################################################
 # trace
 
-ifeq ($(TRACE_BACKEND),dtrace)
-TRACE_H_EXTRA_DEPS=trace-dtrace.h
-endif
-trace.h: trace.h-timestamp $(TRACE_H_EXTRA_DEPS)
-trace.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak
-       $(call quiet-command,$(TRACETOOL) \
-               --format=h \
-               --backend=$(TRACE_BACKEND) \
-               < $< > $@,"  GEN   trace.h")
-       @cmp -s $@ trace.h || cp $@ trace.h
-
-trace.c: trace.c-timestamp
-trace.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak
-       $(call quiet-command,$(TRACETOOL) \
-               --format=c \
-               --backend=$(TRACE_BACKEND) \
-               < $< > $@,"  GEN   trace.c")
-       @cmp -s $@ trace.c || cp $@ trace.c
-
-trace.o: trace.c $(GENERATED_HEADERS)
-
-trace-dtrace.h: trace-dtrace.dtrace
-       $(call quiet-command,dtrace -o $@ -h -s $<, "  GEN   trace-dtrace.h")
-
-# Normal practice is to name DTrace probe file with a '.d' extension
-# but that gets picked up by QEMU's Makefile as an external dependency
-# rule file. So we use '.dtrace' instead
-trace-dtrace.dtrace: trace-dtrace.dtrace-timestamp
-trace-dtrace.dtrace-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak
-       $(call quiet-command,$(TRACETOOL) \
-               --format=d \
-               --backend=$(TRACE_BACKEND) \
-               < $< > $@,"  GEN   trace-dtrace.dtrace")
-       @cmp -s $@ trace-dtrace.dtrace || cp $@ trace-dtrace.dtrace
-
-trace-dtrace.o: trace-dtrace.dtrace $(GENERATED_HEADERS)
-       $(call quiet-command,dtrace -o $@ -G -s $<, "  GEN   trace-dtrace.o")
-
-ifeq ($(LIBTOOL),)
-trace-dtrace.lo: trace-dtrace.dtrace
-       @echo "missing libtool. please install and rerun configure."; exit 1
-else
-trace-dtrace.lo: trace-dtrace.dtrace
-       $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, "  lt GEN trace-dtrace.o")
-endif
-
-trace/simple.o: trace/simple.c $(GENERATED_HEADERS)
-
-trace-obj-$(CONFIG_TRACE_DTRACE) += trace-dtrace.o
-ifneq ($(TRACE_BACKEND),dtrace)
-trace-obj-y = trace.o
-endif
-
-trace-obj-$(CONFIG_TRACE_DEFAULT) += trace/default.o
-trace-obj-$(CONFIG_TRACE_SIMPLE) += trace/simple.o
-trace-obj-$(CONFIG_TRACE_SIMPLE) += qemu-timer-common.o
-trace-obj-$(CONFIG_TRACE_STDERR) += trace/stderr.o
-trace-obj-y += trace/control.o
-
-$(trace-obj-y): $(GENERATED_HEADERS)
+trace-obj-y += trace/
 
 universal-obj-y += $(trace-obj-y)
 
@@ -239,5 +180,6 @@ nested-vars += \
        user-obj-y \
        common-obj-y \
        universal-obj-y \
-       extra-obj-y
+       extra-obj-y \
+       trace-obj-y
 dummy := $(call unnest-vars)

diff --git a/configure b/configure
index 14f05c7b9048d60ee76262f6d116cd8736027e9f..99c1ec3467e3b393fff6dfa37cd6bab4b288427f 100755 (executable)
--- a/configure
+++ b/configure
@@ -656,6 +656,8 @@ for opt do
   ;;
   --without-system-pixman) pixman="internal"
   ;;
+  --without-pixman) pixman="none"
+  ;;
   --disable-sdl) sdl="no"
   ;;
   --enable-sdl) sdl="yes"
@@ -2130,13 +2132,25 @@ fi
 # pixman support probe
 
 if test "$pixman" = ""; then
-  if $pkg_config pixman-1 > /dev/null 2>&1; then
+  if test "$want_tools" = "no" -a "$softmmu" = "no"; then
+    pixman="none"
+  elif $pkg_config pixman-1 > /dev/null 2>&1; then
     pixman="system"
   else
     pixman="internal"
   fi
 fi
-if test "$pixman" = "system"; then
+if test "$pixman" = "none"; then
+  if test "$want_tools" != "no" -o "$softmmu" != "no"; then
+    echo "ERROR: pixman disabled but system emulation or tools build"
+    echo "       enabled.  You can turn off pixman only if you also"
+    echo "       disable all system emulation targets and the tools"
+    echo "       build with '--disable-tools --disable-system'."
+    exit 1
+  fi
+  pixman_cflags=
+  pixman_libs=
+elif test "$pixman" = "system"; then
   pixman_cflags=`$pkg_config --cflags pixman-1 2>/dev/null`
   pixman_libs=`$pkg_config --libs pixman-1 2>/dev/null`
 else

diff --git a/hw/i2c.h b/hw/i2c.h
index 0f5682b4b0df431f7b76f4639c45e7b4d99a35f8..883b5c588d251edfc3f0f6425b0ab1247f79d52e 100644 (file)
--- a/hw/i2c.h
+++ b/hw/i2c.h
@@ -73,9 +73,6 @@ void *wm8750_dac_buffer(void *opaque, int samples);
 void wm8750_dac_commit(void *opaque);
 void wm8750_set_bclk_in(void *opaque, int new_hz);
 
-/* tmp105.c */
-void tmp105_set(I2CSlave *i2c, int temp);
-
 /* lm832x.c */
 void lm832x_key_event(DeviceState *dev, int key, int state);
 

diff --git a/hw/tmp105.c b/hw/tmp105.c
index 8e8dbd94eba1876f211bdd891f9375c864c814a9..9c67e644dd4bfd7241378ace043da7b91839134f 100644 (file)
--- a/hw/tmp105.c
+++ b/hw/tmp105.c
@@ -20,6 +20,7 @@
 
 #include "hw.h"
 #include "i2c.h"
+#include "tmp105.h"
 
 typedef struct {
     I2CSlave i2c;
@@ -92,22 +93,22 @@ static void tmp105_read(TMP105State *s)
     }
 
     switch (s->pointer & 3) {
-    case 0:    /* Temperature */
+    case TMP105_REG_TEMPERATURE:
         s->buf[s->len ++] = (((uint16_t) s->temperature) >> 8);
         s->buf[s->len ++] = (((uint16_t) s->temperature) >> 0) &
                 (0xf0 << ((~s->config >> 5) & 3));             /* R */
         break;
 
-    case 1:    /* Configuration */
+    case TMP105_REG_CONFIG:
         s->buf[s->len ++] = s->config;
         break;
 
-    case 2:    /* T_LOW */
+    case TMP105_REG_T_LOW:
         s->buf[s->len ++] = ((uint16_t) s->limit[0]) >> 8;
         s->buf[s->len ++] = ((uint16_t) s->limit[0]) >> 0;
         break;
 
-    case 3:    /* T_HIGH */
+    case TMP105_REG_T_HIGH:
         s->buf[s->len ++] = ((uint16_t) s->limit[1]) >> 8;
         s->buf[s->len ++] = ((uint16_t) s->limit[1]) >> 0;
         break;
@@ -117,10 +118,10 @@ static void tmp105_read(TMP105State *s)
 static void tmp105_write(TMP105State *s)
 {
     switch (s->pointer & 3) {
-    case 0:    /* Temperature */
+    case TMP105_REG_TEMPERATURE:
         break;
 
-    case 1:    /* Configuration */
+    case TMP105_REG_CONFIG:
         if (s->buf[0] & ~s->config & (1 << 0))                 /* SD */
             printf("%s: TMP105 shutdown\n", __FUNCTION__);
         s->config = s->buf[0];
@@ -128,8 +129,8 @@ static void tmp105_write(TMP105State *s)
         tmp105_alarm_update(s);
         break;
 
-    case 2:    /* T_LOW */
-    case 3:    /* T_HIGH */
+    case TMP105_REG_T_LOW:
+    case TMP105_REG_T_HIGH:
         if (s->len >= 3)
             s->limit[s->pointer & 1] = (int16_t)
                     ((((uint16_t) s->buf[0]) << 8) | s->buf[1]);

diff --git a/hw/tmp105.h b/hw/tmp105.h
new file mode 100644 (file)
index 0000000..51eff4b
--- /dev/null
+++ b/hw/tmp105.h
@@ -0,0 +1,67 @@
+/*
+ * Texas Instruments TMP105 Temperature Sensor
+ *
+ * Browse the data sheet:
+ *
+ *    http://www.ti.com/lit/gpn/tmp105
+ *
+ * Copyright (C) 2012 Alex Horn <alex.horn@cs.ox.ac.uk>
+ * Copyright (C) 2008-2012 Andrzej Zaborowski <balrogg@gmail.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * later. See the COPYING file in the top-level directory.
+ */
+#ifndef QEMU_TMP105_H
+#define QEMU_TMP105_H
+
+#include "i2c.h"
+
+/**
+ * TMP105Reg:
+ * @TMP105_REG_TEMPERATURE: Temperature register
+ * @TMP105_REG_CONFIG: Configuration register
+ * @TMP105_REG_T_LOW: Low temperature register (also known as T_hyst)
+ * @TMP105_REG_T_HIGH: High temperature register (also known as T_OS)
+ *
+ * The following temperature sensors are
+ * compatible with the TMP105 registers:
+ * - adt75
+ * - ds1775
+ * - ds75
+ * - lm75
+ * - lm75a
+ * - max6625
+ * - max6626
+ * - mcp980x
+ * - stds75
+ * - tcn75
+ * - tmp100
+ * - tmp101
+ * - tmp105
+ * - tmp175
+ * - tmp275
+ * - tmp75
+ **/
+typedef enum TMP105Reg {
+    TMP105_REG_TEMPERATURE = 0,
+    TMP105_REG_CONFIG,
+    TMP105_REG_T_LOW,
+    TMP105_REG_T_HIGH,
+} TMP105Reg;
+
+/**
+ * tmp105_set:
+ * @i2c: dispatcher to TMP105 hardware model
+ * @temp: temperature with 0.001 centigrades units in the range -40 C to +125 C
+ *
+ * Sets the temperature of the TMP105 hardware model.
+ *
+ * Bits 5 and 6 (value 32 and 64) in the register indexed by TMP105_REG_CONFIG
+ * determine the precision of the temperature. See Table 8 in the data sheet.
+ *
+ * @see_also: I2C_SLAVE macro
+ * @see_also: http://www.ti.com/lit/gpn/tmp105
+ */
+void tmp105_set(I2CSlave *i2c, int temp);
+
+#endif

diff --git a/qemu-char.c b/qemu-char.c
index 6113d0ab60b775dbc09107fa47c4fb5da45c11d3..c6382a93f5f5938c92b0102e984e90f74ef4dcba 100644 (file)
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -980,6 +980,7 @@ static CharDriverState *qemu_chr_open_pty(QemuOpts *opts)
     CharDriverState *chr;
     PtyCharDriver *s;
     struct termios tty;
+    const char *label;
     int master_fd, slave_fd, len;
 #if defined(__OpenBSD__) || defined(__DragonFly__)
     char pty_name[PATH_MAX];
@@ -1005,7 +1006,12 @@ static CharDriverState *qemu_chr_open_pty(QemuOpts *opts)
     chr->filename = g_malloc(len);
     snprintf(chr->filename, len, "pty:%s", q_ptsname(master_fd));
     qemu_opt_set(opts, "path", q_ptsname(master_fd));
-    fprintf(stderr, "char device redirected to %s\n", q_ptsname(master_fd));
+
+    label = qemu_opts_id(opts);
+    fprintf(stderr, "char device%s%s redirected to %s\n",
+            label ? " " : "",
+            label ?: "",
+            q_ptsname(master_fd));
 
     s = g_malloc0(sizeof(PtyCharDriver));
     chr->opaque = s;

diff --git a/qemu-thread-win32.c b/qemu-thread-win32.c
index 8037b390455f9c31629cbcbcc5122347e0d529d8..517878dcc17ca6c1507b8e3b380e0b8fce50f11a 100644 (file)
--- a/qemu-thread-win32.c
+++ b/qemu-thread-win32.c
@@ -239,7 +239,7 @@ struct QemuThreadData {
     CRITICAL_SECTION  cs;
 };
 
-static int qemu_thread_tls_index = TLS_OUT_OF_INDEXES;
+static __thread QemuThreadData *qemu_thread_data;
 
 static unsigned __stdcall win32_start_routine(void *arg)
 {
@@ -251,14 +251,15 @@ static unsigned __stdcall win32_start_routine(void *arg)
         g_free(data);
         data = NULL;
     }
-    TlsSetValue(qemu_thread_tls_index, data);
+    qemu_thread_data = data;
     qemu_thread_exit(start_routine(thread_arg));
     abort();
 }
 
 void qemu_thread_exit(void *arg)
 {
-    QemuThreadData *data = TlsGetValue(qemu_thread_tls_index);
+    QemuThreadData *data = qemu_thread_data;
+
     if (data) {
         assert(data->mode != QEMU_THREAD_DETACHED);
         data->ret = arg;
@@ -298,25 +299,13 @@ void *qemu_thread_join(QemuThread *thread)
     return ret;
 }
 
-static inline void qemu_thread_init(void)
-{
-    if (qemu_thread_tls_index == TLS_OUT_OF_INDEXES) {
-        qemu_thread_tls_index = TlsAlloc();
-        if (qemu_thread_tls_index == TLS_OUT_OF_INDEXES) {
-            error_exit(ERROR_NO_SYSTEM_RESOURCES, __func__);
-        }
-    }
-}
-
-
 void qemu_thread_create(QemuThread *thread,
                        void *(*start_routine)(void *),
                        void *arg, int mode)
 {
     HANDLE hThread;
-
     struct QemuThreadData *data;
-    qemu_thread_init();
+
     data = g_malloc(sizeof *data);
     data->start_routine = start_routine;
     data->arg = arg;
@@ -338,8 +327,7 @@ void qemu_thread_create(QemuThread *thread,
 
 void qemu_thread_get_self(QemuThread *thread)
 {
-    qemu_thread_init();
-    thread->data = TlsGetValue(qemu_thread_tls_index);
+    thread->data = qemu_thread_data;
     thread->tid = GetCurrentThreadId();
 }
 

diff --git a/scripts/tracetool/backend/dtrace.py b/scripts/tracetool/backend/dtrace.py
index 23c43e277280ab8994425c31d010037bff581943..ad5eb3b0ab21706f9ac48d7c3b3fe71b609f7a59 100644 (file)
--- a/scripts/tracetool/backend/dtrace.py
+++ b/scripts/tracetool/backend/dtrace.py
@@ -37,7 +37,7 @@ def c(events):
 
 
 def h(events):
-    out('#include "trace-dtrace.h"',
+    out('#include "trace/generated-tracers-dtrace.h"',
         '')
 
     for e in events:

diff --git a/scripts/tracetool/format/h.py b/scripts/tracetool/format/h.py
index 6ffb3c2f4e02b42e2a4501fe33be12beece84c5a..9a58de1331f61aeba37c117a0dec11c6dc1f0b55 100644 (file)
--- a/scripts/tracetool/format/h.py
+++ b/scripts/tracetool/format/h.py
@@ -19,8 +19,8 @@ from tracetool import out
 def begin(events):
     out('/* This file is autogenerated by tracetool, do not edit. */',
         '',
-        '#ifndef TRACE_H',
-        '#define TRACE_H',
+        '#ifndef TRACE__GENERATED_TRACERS_H',
+        '#define TRACE__GENERATED_TRACERS_H',
         '',
         '#include "qemu-common.h"')
 
@@ -32,7 +32,7 @@ def end(events):
             enabled = 1
         out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
     out('',
-        '#endif /* TRACE_H */')
+        '#endif /* TRACE__GENERATED_TRACERS_H */')
 
 def nop(events):
     for e in events:

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 2b6fe3090edbb22c3296ba385d512c00f72c3e6d..82685dc3f5a8b8ecce719a540c3d44613ac37411 100644 (file)
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1651,7 +1651,11 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
                     index = env->cpuid_xlevel;
                 }
             } else {
-                index =  env->cpuid_xlevel;
+                /* Intel documentation states that invalid EAX input will
+                 * return the same information as EAX=cpuid_level
+                 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
+                 */
+                index =  env->cpuid_level;
             }
         }
     } else {

diff --git a/target-unicore32/helper.c b/target-unicore32/helper.c
index ff4f6284044a4fbba2bc4c9a00bc224784a27a83..5359538ea51542f70d62aaa731bff42faf8ed6f0 100644 (file)
--- a/target-unicore32/helper.c
+++ b/target-unicore32/helper.c
@@ -13,7 +13,9 @@
 #include "exec/gdbstub.h"
 #include "helper.h"
 #include "qemu/host-utils.h"
+#ifndef CONFIG_USER_ONLY
 #include "ui/console.h"
+#endif
 
 #undef DEBUG_UC32
 

diff --git a/trace.h b/trace.h
new file mode 100644 (file)
index 0000000..c15f498
--- /dev/null
+++ b/trace.h
@@ -0,0 +1,6 @@
+#ifndef TRACE_H
+#define TRACE_H
+
+#include "trace/generated-tracers.h"
+
+#endif  /* TRACE_H */

diff --git a/trace/Makefile.objs b/trace/Makefile.objs
new file mode 100644 (file)
index 0000000..b791723
--- /dev/null
+++ b/trace/Makefile.objs
@@ -0,0 +1,70 @@
+# -*- mode: makefile -*-
+
+######################################################################
+# Auto-generated tracing routines
+
+ifeq ($(TRACE_BACKEND),dtrace)
+TRACE_H_EXTRA_DEPS=$(obj)/generated-tracers-dtrace.h
+endif
+$(obj)/generated-tracers.h: $(obj)/generated-tracers.h-timestamp $(TRACE_H_EXTRA_DEPS)
+$(obj)/generated-tracers.h-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak
+       $(call quiet-command,$(TRACETOOL) \
+               --format=h \
+               --backend=$(TRACE_BACKEND) \
+               < $< > $@,"  GEN   $(patsubst %-timestamp,%,$@)")
+       @cmp -s $@ $(patsubst %-timestamp,%,$@) || cp $@ $(patsubst %-timestamp,%,$@)
+
+$(obj)/generated-tracers.c: $(obj)/generated-tracers.c-timestamp
+$(obj)/generated-tracers.c-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak
+       $(call quiet-command,$(TRACETOOL) \
+               --format=c \
+               --backend=$(TRACE_BACKEND) \
+               < $< > $@,"  GEN   $(patsubst %-timestamp,%,$@)")
+       @cmp -s $@ $(patsubst %-timestamp,%,$@) || cp $@ $(patsubst %-timestamp,%,$@)
+
+$(obj)/generated-tracers.o: $(obj)/generated-tracers.c $(obj)/generated-tracers.h
+
+ifneq ($(TRACE_BACKEND),dtrace)
+trace-obj-y += generated-tracers.o
+endif
+
+
+######################################################################
+# Auto-generated DTrace code
+
+# Normal practice is to name DTrace probe file with a '.d' extension
+# but that gets picked up by QEMU's Makefile as an external dependency
+# rule file. So we use '.dtrace' instead
+$(obj)/generated-tracers-dtrace.dtrace: $(obj)/generated-tracers-dtrace.dtrace-timestamp
+$(obj)/generated-tracers-dtrace.dtrace-timestamp: $(SRC_PATH)/trace-events $(BUILD_DIR)/config-host.mak
+       $(call quiet-command,$(TRACETOOL) \
+               --format=d \
+               --backend=$(TRACE_BACKEND) \
+               < $< > $@,"  GEN   $(patsubst %-timestamp,%,$@)")
+       @cmp -s $@ $(patsubst %-timestamp,%,$@) || cp $@ $(patsubst %-timestamp,%,$@)
+
+$(obj)/generated-tracers-dtrace.h: trace/generated-tracers-dtrace.dtrace
+       $(call quiet-command,dtrace -o $@ -h -s $<, "  GEN   $@")
+
+$(obj)/generated-tracers-dtrace.o: trace/generated-tracers-dtrace.dtrace
+       $(call quiet-command,dtrace -o $@ -G -s $<, "  GEN   $@")
+
+trace-obj-$(CONFIG_TRACE_DTRACE) += generated-tracers-dtrace.o
+
+
+ifeq ($(LIBTOOL),)
+$(obj)/generated-tracers-dtrace.lo: $(obj)/generated-tracers-dtrace.dtrace
+       @echo "missing libtool. please install and rerun configure."; exit 1
+else
+$(obj)/generated-tracers-dtrace.lo: $(obj)/generated-tracers-dtrace.dtrace
+       $(call quiet-command,$(LIBTOOL) --mode=compile --tag=CC dtrace -o $@ -G -s $<, "  lt GEN $@")
+endif
+
+
+######################################################################
+# Backend code
+
+trace-obj-$(CONFIG_TRACE_DEFAULT) += default.o
+trace-obj-$(CONFIG_TRACE_SIMPLE) += simple.o
+trace-obj-$(CONFIG_TRACE_STDERR) += stderr.o
+trace-obj-y += control.o