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[Qemu-devel] [RFC PATCH v2 19/49] replay: global variables and function
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [RFC PATCH v2 19/49] replay: global variables and function stubs |
Date: |
Thu, 17 Jul 2014 15:03:45 +0400 |
User-agent: |
StGit/0.16 |
This patch adds global variables, defines, functions declarations,
and function stubs for deterministic VM replay used by external modules.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
Makefile.target | 1 +
replay/Makefile.objs | 1 +
replay/replay.c | 19 +++++++++++++++++++
replay/replay.h | 32 ++++++++++++++++++++++++++++++++
stubs/Makefile.objs | 1 +
stubs/replay.c | 9 +++++++++
6 files changed, 63 insertions(+), 0 deletions(-)
create mode 100755 replay/Makefile.objs
create mode 100755 replay/replay.c
create mode 100755 replay/replay.h
create mode 100755 stubs/replay.c
diff --git a/Makefile.target b/Makefile.target
index 137d0b0..9830313 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -76,6 +76,7 @@ all: $(PROGS) stap
#########################################################
# cpu emulator library
obj-y = exec.o translate-all.o cpu-exec.o
+obj-y += replay/
obj-y += tcg/tcg.o tcg/optimize.o
obj-$(CONFIG_TCG_INTERPRETER) += tci.o
obj-$(CONFIG_TCG_INTERPRETER) += disas/tci.o
diff --git a/replay/Makefile.objs b/replay/Makefile.objs
new file mode 100755
index 0000000..7ea860f
--- /dev/null
+++ b/replay/Makefile.objs
@@ -0,0 +1 @@
+obj-y += replay.o
diff --git a/replay/replay.c b/replay/replay.c
new file mode 100755
index 0000000..5a69465
--- /dev/null
+++ b/replay/replay.c
@@ -0,0 +1,19 @@
+/*
+ * replay.c
+ *
+ * Copyright (c) 2010-2014 Institute for System Programming
+ * of the Russian Academy of Sciences.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "replay.h"
+
+int replay_mode = REPLAY_NONE;
+/*! Stores current submode for PLAY mode */
+int play_submode = REPLAY_PLAY_UNKNOWN;
+
+/* Suffix for the disk images filenames */
+char *replay_image_suffix;
diff --git a/replay/replay.h b/replay/replay.h
new file mode 100755
index 0000000..a883aa4
--- /dev/null
+++ b/replay/replay.h
@@ -0,0 +1,32 @@
+#ifndef REPLAY_H
+#define REPLAY_H
+
+/*
+ * replay.h
+ *
+ * Copyright (c) 2010-2014 Institute for System Programming
+ * of the Russian Academy of Sciences.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+/* replay modes */
+#define REPLAY_NONE 0
+#define REPLAY_SAVE 1
+#define REPLAY_PLAY 2
+/* replay submodes */
+#define REPLAY_PLAY_UNKNOWN 0
+/* Normal log replaying */
+#define REPLAY_PLAY_NORMAL 1
+
+extern int replay_mode;
+extern char *replay_image_suffix;
+/*! Shift value for icount based on replay or zero, if it is disabled. */
+extern int replay_icount;
+
+/*! Returns replay play submode */
+int replay_get_play_submode(void);
+
+#endif
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 528e161..b90c60a 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -26,6 +26,7 @@ stub-obj-y += notify-event.o
stub-obj-y += pci-drive-hot-add.o
stub-obj-$(CONFIG_SPICE) += qemu-chr-open-spice.o
stub-obj-y += qtest.o
+stub-obj-y += replay.o
stub-obj-y += reset.o
stub-obj-y += runstate-check.o
stub-obj-y += set-fd-handler.o
diff --git a/stubs/replay.c b/stubs/replay.c
new file mode 100755
index 0000000..1e99ca4
--- /dev/null
+++ b/stubs/replay.c
@@ -0,0 +1,9 @@
+#include "replay/replay.h"
+
+int replay_mode;
+int replay_icount;
+
+int replay_get_play_submode(void)
+{
+ return 0;
+}
- [Qemu-devel] [RFC PATCH v2 46/49] replay: replay_info command, (continued)
- [Qemu-devel] [RFC PATCH v2 46/49] replay: replay_info command, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 47/49] replay: replay_break command, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 49/49] gdbstub: reverse debugging, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 48/49] replay: replay_seek_step command, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 25/49] target-i386: instructions counting code for replay, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 17/49] target-i386: update fp status fix, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 27/49] vga: do not use virtual clock for blinking cursor, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 15/49] softmmu: fixing usage of cpu_st/ld* from helpers, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 32/49] replay: checkpoints, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 26/49] replay: interrupts and exceptions, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 19/49] replay: global variables and function stubs,
Pavel Dovgalyuk <=
- [Qemu-devel] [RFC PATCH v2 36/49] pl031: vmstate in replay mode, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 35/49] replay: thread pool, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 28/49] replay: asynchronous events infrastructure, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 37/49] replay: initialization and deinitialization, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 11/49] piix: do not raise irq while loading vmstate, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 41/49] tap-win32: destroy the thread at exit, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 14/49] ide pci: reset status field before loading the vmstate, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 30/49] replay: recording and replaying different timers, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 40/49] replay: recording of the user input, Pavel Dovgalyuk, 2014/07/17
- [Qemu-devel] [RFC PATCH v2 34/49] replay: replay aio requests, Pavel Dovgalyuk, 2014/07/17