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[Qemu-devel] [PATCH v2 07/10] [trivial] Track when QEMU has finished ini
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH v2 07/10] [trivial] Track when QEMU has finished initialization |
Date: |
Tue, 24 Nov 2015 18:09:25 +0100 |
User-agent: |
StGit/0.17.1-dirty |
Later used to synchronize per-vCPU state of events enabled from command
line.
Signed-off-by: Lluís Vilanova <address@hidden>
---
Makefile.objs | 2 +-
bsd-user/main.c | 1 +
include/qemu-common.h | 3 +++
linux-user/main.c | 1 +
qemu-common.c | 14 ++++++++++++++
stubs/Makefile.objs | 1 +
stubs/qemu-common-stub.c | 21 +++++++++++++++++++++
vl.c | 2 ++
8 files changed, 44 insertions(+), 1 deletion(-)
create mode 100644 qemu-common.c
create mode 100644 stubs/qemu-common-stub.c
diff --git a/Makefile.objs b/Makefile.objs
index 77be052..d161060 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -2,7 +2,7 @@
# Common libraries for tools and emulators
stub-obj-y = stubs/
util-obj-y = util/ qobject/ qapi/
-util-obj-y += qmp-introspect.o qapi-types.o qapi-visit.o qapi-event.o
+util-obj-y += qmp-introspect.o qapi-types.o qapi-visit.o qapi-event.o
qemu-common.o
#######################################################################
# block-obj-y is code used by both qemu system emulation and qemu-img
diff --git a/bsd-user/main.c b/bsd-user/main.c
index adf2de0..eff37e0 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -1121,6 +1121,7 @@ int main(int argc, char **argv)
gdbserver_start (gdbstub_port);
gdb_handlesig(cpu, 0);
}
+ qemu_initialized = true;
cpu_loop(env);
/* never exits */
return 0;
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 405364f..dccc0ac 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -35,6 +35,9 @@
# error Unknown pointer size
#endif
+/* Whether the system has finished initializing */
+extern bool qemu_initialized;
+
void cpu_ticks_init(void);
/* icount */
diff --git a/linux-user/main.c b/linux-user/main.c
index 8acfe0f..f80a01e 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -4663,6 +4663,7 @@ int main(int argc, char **argv, char **envp)
}
gdb_handlesig(cpu, 0);
}
+ qemu_initialized = true;
cpu_loop(env);
/* never exits */
return 0;
diff --git a/qemu-common.c b/qemu-common.c
new file mode 100644
index 0000000..4b5ca1a
--- /dev/null
+++ b/qemu-common.c
@@ -0,0 +1,14 @@
+/*
+ * Common symbol definitions for all tools and targets.
+ *
+ * Copyright (C) 2011-2015 Lluís Vilanova <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+*/
+
+#include "qemu-common.h"
+
+
+/* Whether QEMU has been initialized. */
+bool qemu_initialized;
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index d7898a0..670585a 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -38,3 +38,4 @@ stub-obj-y += qmp_pc_dimm_device_list.o
stub-obj-y += target-monitor-defs.o
stub-obj-y += target-get-monitor-def.o
stub-obj-y += vhost.o
+stub-obj-y += qemu-common-stub.o
diff --git a/stubs/qemu-common-stub.c b/stubs/qemu-common-stub.c
new file mode 100644
index 0000000..f34f019
--- /dev/null
+++ b/stubs/qemu-common-stub.c
@@ -0,0 +1,21 @@
+/*
+ * Common symbol definitions for all tools and targets.
+ *
+ * Copyright (C) 2011-2015 Lluís Vilanova <address@hidden>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+*/
+
+#include "qemu-common.h"
+#include <qemu/module.h>
+
+
+static void do_qemu_initialized_init(void)
+{
+ /* Tools always consider QEMU as inited */
+ qemu_initialized = true;
+}
+
+/* Block is always inited on both tools (and targets) */
+block_init(do_qemu_initialized_init);
diff --git a/vl.c b/vl.c
index 525929b..7c56159 100644
--- a/vl.c
+++ b/vl.c
@@ -4681,6 +4681,8 @@ int main(int argc, char **argv, char **envp)
}
}
+ qemu_initialized = true;
+
main_loop();
replay_disable_events();
- [Qemu-devel] [PATCH v2 00/10] trace: Per-vCPU tracing states, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 02/10] trace: Add 'vcpu' event property, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 03/10] trace: [tcg] Identify events with the 'vcpu' property, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 05/10] exec: [ŧcg] Use multiple physical TB caches, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 04/10] exec: [tcg] Refactor flush of per-CPU virtual TB cache, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 08/10] disas: Remove unused macro '_', Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 07/10] [trivial] Track when QEMU has finished initialization,
Lluís Vilanova <=
- [Qemu-devel] [PATCH v2 09/10] trace: [tcg] Add per-vCPU tracing states for events with the 'vcpu' property, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 01/10] trace: Add support for vCPU pointers in trace events, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 10/10] trace: [tcg] Generate TCG code to trace guest events on a per-vCPU basis, Lluís Vilanova, 2015/11/24
- [Qemu-devel] [PATCH v2 06/10] exec: [tcg] Track which vCPU is performing translation and execution, Lluís Vilanova, 2015/11/24