Patchwork [11/11] Introduce CPU state

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Submitter Blue Swirl
Date April 8, 2011, 8:50 p.m.
Message ID <BANLkTina=wYvXjRgcjZcxCtA5QQL3CZSWg@mail.gmail.com>
Download mbox | patch
Permalink /patch/90423/
State New
Headers show

Comments

Blue Swirl - April 8, 2011, 8:50 p.m.
WIP

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 cpu-all.h               |    1 +
 cpu-state.h             |    8 ++++++++
 cpus.h                  |   38 ++++++++++++++++++++++++++++++++++++++
 gdbstub.h               |    1 +
 hw/hw.h                 |    1 +
 hw/omap.h               |    2 ++
 hw/smbios.c             |    1 +
 hw/soc_dma.h            |    2 ++
 hw/sun4m.h              |    2 +-
 kvm.h                   |    1 +
 qemu-common.h           |   26 --------------------------
 qemu-timer.h            |   17 -----------------
 scripts/feature_to_c.sh |    2 +-
 13 files changed, 57 insertions(+), 45 deletions(-)
 create mode 100644 cpu-state.h

Patch

From 3643ed853bebcb434316a802c7362111c894e4d9 Mon Sep 17 00:00:00 2001
Message-Id: <3643ed853bebcb434316a802c7362111c894e4d9.1302295418.git.blauwirbel@gmail.com>
In-Reply-To: <6a1748c587d34b0ce37488596c68c4aee58a4638.1302295418.git.blauwirbel@gmail.com>
References: <6a1748c587d34b0ce37488596c68c4aee58a4638.1302295418.git.blauwirbel@gmail.com>
From: Blue Swirl <blauwirbel@gmail.com>
Date: Fri, 8 Apr 2011 19:59:13 +0000
Subject: [PATCH 11/11] Introduce CPU state

WIP

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 cpu-all.h               |    1 +
 cpu-state.h             |    8 ++++++++
 cpus.h                  |   38 ++++++++++++++++++++++++++++++++++++++
 gdbstub.h               |    1 +
 hw/hw.h                 |    1 +
 hw/omap.h               |    2 ++
 hw/smbios.c             |    1 +
 hw/soc_dma.h            |    2 ++
 hw/sun4m.h              |    2 +-
 kvm.h                   |    1 +
 qemu-common.h           |   26 --------------------------
 qemu-timer.h            |   17 -----------------
 scripts/feature_to_c.sh |    2 +-
 13 files changed, 57 insertions(+), 45 deletions(-)
 create mode 100644 cpu-state.h

diff --git a/cpu-all.h b/cpu-all.h
index dc0f2f0..f74be40 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -20,6 +20,7 @@ 
 #define CPU_ALL_H
 
 #include "qemu-common.h"
+#include "cpus.h"
 #include "cpu-common.h"
 
 /* some important defines:
diff --git a/cpu-state.h b/cpu-state.h
new file mode 100644
index 0000000..baecb54
--- /dev/null
+++ b/cpu-state.h
@@ -0,0 +1,8 @@ 
+#ifndef QEMU_CPU_STATE_H
+#define QEMU_CPU_STATE_H
+/*
+ * CPU state: All generic state related to CPU emulation.
+ */
+
+
+#endif
diff --git a/cpus.h b/cpus.h
index 6fdeb0d..5c2ea73 100644
--- a/cpus.h
+++ b/cpus.h
@@ -1,6 +1,11 @@ 
 #ifndef QEMU_CPUS_H
 #define QEMU_CPUS_H
 
+/* FIXME: Remove NEED_CPU_H.  */
+#ifdef NEED_CPU_H
+#include "cpu.h"
+#endif /* !defined(NEED_CPU_H) */
+
 /* cpus.c */
 int qemu_init_main_loop(void);
 void qemu_main_loop_start(void);
@@ -21,4 +26,37 @@  void set_numa_modes(void);
 void set_cpu_log(const char *optarg);
 void list_cpus(FILE *f, fprintf_function cpu_fprintf, const char *optarg);
 
+void cpu_exec_init_all(unsigned long tb_size);
+
+/* CPU save/load.  */
+void cpu_save(QEMUFile *f, void *opaque);
+int cpu_load(QEMUFile *f, void *opaque, int version_id);
+
+/* Unblock cpu */
+void qemu_cpu_kick(void *env1);
+void qemu_cpu_kick_self(void);
+int qemu_cpu_is_self(void *env1);
+
+#ifdef CONFIG_USER_ONLY
+#define qemu_init_vcpu(env) do { } while (0)
+#else
+void qemu_init_vcpu(void *env1);
+#endif
+
+extern int use_icount;
+#ifdef NEED_CPU_H
+/* Deterministic execution requires that IO only be performed on the last
+   instruction of a TB so that interrupts take effect immediately.  */
+static inline int can_do_io(CPUState *env)
+{
+    if (!use_icount)
+        return 1;
+
+    /* If not executing code then assume we are ok.  */
+    if (!env->current_tb)
+        return 1;
+
+    return env->can_do_io != 0;
+}
+#endif
 #endif
diff --git a/gdbstub.h b/gdbstub.h
index d82334f..1ed14e7 100644
--- a/gdbstub.h
+++ b/gdbstub.h
@@ -1,6 +1,7 @@ 
 #ifndef GDBSTUB_H
 #define GDBSTUB_H
 
+#include "cpus.h"
 #define DEFAULT_GDBSTUB_PORT "1234"
 
 /* GDB breakpoint/watchpoint types */
diff --git a/hw/hw.h b/hw/hw.h
index 1b09039..a68d5ae 100644
--- a/hw/hw.h
+++ b/hw/hw.h
@@ -4,6 +4,7 @@ 
 
 #include "qemu-common.h"
 
+#include "cpus.h"
 #if defined(TARGET_PHYS_ADDR_BITS) && !defined(NEED_CPU_H)
 #include "cpu-common.h"
 #endif
diff --git a/hw/omap.h b/hw/omap.h
index c227a82..898cee7 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -19,6 +19,8 @@ 
 #ifndef hw_omap_h
 # define hw_omap_h		"omap.h"
 
+#include "cpus.h"
+
 # define OMAP_EMIFS_BASE	0x00000000
 # define OMAP2_Q0_BASE		0x00000000
 # define OMAP_CS0_BASE		0x00000000
diff --git a/hw/smbios.c b/hw/smbios.c
index a3ae1de..62135bb 100644
--- a/hw/smbios.c
+++ b/hw/smbios.c
@@ -11,6 +11,7 @@ 
  *
  */
 
+#include "hw/hw.h"
 #include "sysemu.h"
 #include "smbios.h"
 #include "loader.h"
diff --git a/hw/soc_dma.h b/hw/soc_dma.h
index c0ebb8d..536473f 100644
--- a/hw/soc_dma.h
+++ b/hw/soc_dma.h
@@ -18,6 +18,8 @@ 
  * with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "hw/hw.h"
+
 struct soc_dma_s;
 struct soc_dma_ch_s;
 typedef void (*soc_dma_io_t)(void *opaque, uint8_t *buf, int len);
diff --git a/hw/sun4m.h b/hw/sun4m.h
index ce97ee5..2eff379 100644
--- a/hw/sun4m.h
+++ b/hw/sun4m.h
@@ -1,7 +1,7 @@ 
 #ifndef SUN4M_H
 #define SUN4M_H
 
-#include "qemu-common.h"
+#include "hw/hw.h"
 
 /* Devices used by sparc32 system.  */
 
diff --git a/kvm.h b/kvm.h
index d565dba..4a5d097 100644
--- a/kvm.h
+++ b/kvm.h
@@ -17,6 +17,7 @@ 
 #include <errno.h>
 #include "config-host.h"
 #include "qemu-queue.h"
+#include "cpus.h"
 
 #ifdef CONFIG_KVM
 #include <linux/kvm.h>
diff --git a/qemu-common.h b/qemu-common.h
index 8b48a09..373d5ee 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -120,19 +120,10 @@  static inline char *realpath(const char *path, char *resolved_path)
 #define PRIo64 "I64o"
 #endif
 
-/* FIXME: Remove NEED_CPU_H.  */
-#ifndef NEED_CPU_H
-
 #include <setjmp.h>
 #include "osdep.h"
 #include "bswap.h"
 
-#else
-
-#include "cpu.h"
-
-#endif /* !defined(NEED_CPU_H) */
-
 /* bottom halves */
 typedef void QEMUBHFunc(void *opaque);
 
@@ -293,23 +284,12 @@  typedef struct VirtIODevice VirtIODevice;
 
 typedef uint64_t pcibus_t;
 
-void cpu_exec_init_all(unsigned long tb_size);
-
-/* CPU save/load.  */
-void cpu_save(QEMUFile *f, void *opaque);
-int cpu_load(QEMUFile *f, void *opaque, int version_id);
-
 /* Force QEMU to stop what it's doing and service IO */
 void qemu_service_io(void);
 
 /* Force QEMU to process pending events */
 void qemu_notify_event(void);
 
-/* Unblock cpu */
-void qemu_cpu_kick(void *env);
-void qemu_cpu_kick_self(void);
-int qemu_cpu_is_self(void *env);
-
 /* work queue */
 struct qemu_work_item {
     struct qemu_work_item *next;
@@ -318,12 +298,6 @@  struct qemu_work_item {
     int done;
 };
 
-#ifdef CONFIG_USER_ONLY
-#define qemu_init_vcpu(env) do { } while (0)
-#else
-void qemu_init_vcpu(void *env);
-#endif
-
 typedef struct QEMUIOVector {
     struct iovec *iov;
     int niov;
diff --git a/qemu-timer.h b/qemu-timer.h
index 4738e99..2ad5f0d 100644
--- a/qemu-timer.h
+++ b/qemu-timer.h
@@ -149,7 +149,6 @@  void qemu_get_ptimer(QEMUFile *f, ptimer_state *s);
 /* icount */
 int64_t qemu_icount_round(int64_t count);
 extern int64_t qemu_icount;
-extern int use_icount;
 extern int icount_time_shift;
 extern int64_t qemu_icount_bias;
 int64_t cpu_get_icount(void);
@@ -308,22 +307,6 @@  static inline int64_t cpu_get_real_ticks (void)
 }
 #endif
 
-#ifdef NEED_CPU_H
-/* Deterministic execution requires that IO only be performed on the last
-   instruction of a TB so that interrupts take effect immediately.  */
-static inline int can_do_io(CPUState *env)
-{
-    if (!use_icount)
-        return 1;
-
-    /* If not executing code then assume we are ok.  */
-    if (!env->current_tb)
-        return 1;
-
-    return env->can_do_io != 0;
-}
-#endif
-
 #ifdef CONFIG_PROFILER
 static inline int64_t profile_getclock(void)
 {
diff --git a/scripts/feature_to_c.sh b/scripts/feature_to_c.sh
index b62da8a..a958f88 100644
--- a/scripts/feature_to_c.sh
+++ b/scripts/feature_to_c.sh
@@ -37,7 +37,7 @@  for input; do
 
   ${AWK:-awk} 'BEGIN { n = 0
       printf "#include \"config.h\"\n"
-      printf "#include \"qemu-common.h\"\n"
+      printf "#include \"cpus.h\"\n"
       printf "#include \"gdbstub.h\"\n"
       print "static const char '$arrayname'[] = {"
       for (i = 0; i < 255; i++)
-- 
1.7.2.5