[PULL 21/36] system/replay: Restrict icount to system emulation

[Philippe Mathieu-Daudé]

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231208113529.74067-7-philmd@linaro.org>
---
 include/sysemu/cpu-timers.h |  2 +-
 include/sysemu/replay.h     | 11 ++++++++---
 stubs/icount.c              | 19 -------------------
 3 files changed, 9 insertions(+), 23 deletions(-)

diff --git a/include/sysemu/cpu-timers.h b/include/sysemu/cpu-timers.h
index 3f05f29b10..d86738a378 100644
--- a/include/sysemu/cpu-timers.h
+++ b/include/sysemu/cpu-timers.h
@@ -30,7 +30,7 @@ typedef enum {
     ICOUNT_ADAPTATIVE,
 } ICountMode;
 
-#ifdef CONFIG_TCG
+#if defined(CONFIG_TCG) && !defined(CONFIG_USER_ONLY)
 extern ICountMode use_icount;
 #define icount_enabled() (use_icount)
 #else
diff --git a/include/sysemu/replay.h b/include/sysemu/replay.h
index 83995ae4bd..f229b2109c 100644
--- a/include/sysemu/replay.h
+++ b/include/sysemu/replay.h
@@ -1,6 +1,3 @@
-#ifndef SYSEMU_REPLAY_H
-#define SYSEMU_REPLAY_H
-
 /*
  * QEMU replay (system interface)
  *
@@ -11,6 +8,12 @@
  * See the COPYING file in the top-level directory.
  *
  */
+#ifndef SYSEMU_REPLAY_H
+#define SYSEMU_REPLAY_H
+
+#ifdef CONFIG_USER_ONLY
+#error Cannot include this header from user emulation
+#endif
 
 #include "exec/replay-core.h"
 #include "qapi/qapi-types-misc.h"
@@ -84,12 +87,14 @@ int64_t replay_save_clock(ReplayClockKind kind, int64_t 
clock,
 int64_t replay_read_clock(ReplayClockKind kind, int64_t raw_icount);
 /*! Saves or reads the clock depending on the current replay mode. */
 #define REPLAY_CLOCK(clock, value)                                      \
+    !icount_enabled() ? (value) :                                       \
     (replay_mode == REPLAY_MODE_PLAY                                    \
         ? replay_read_clock((clock), icount_get_raw())                  \
         : replay_mode == REPLAY_MODE_RECORD                             \
             ? replay_save_clock((clock), (value), icount_get_raw())     \
             : (value))
 #define REPLAY_CLOCK_LOCKED(clock, value)                               \
+    !icount_enabled() ? (value) :                                       \
     (replay_mode == REPLAY_MODE_PLAY                                    \
         ? replay_read_clock((clock), icount_get_raw_locked())           \
         : replay_mode == REPLAY_MODE_RECORD                             \
diff --git a/stubs/icount.c b/stubs/icount.c
index 1eb35b10a8..9f9a59f55b 100644
--- a/stubs/icount.c
+++ b/stubs/icount.c
@@ -6,10 +6,6 @@
 
 ICountMode use_icount = ICOUNT_DISABLED;
 
-void icount_update(CPUState *cpu)
-{
-    abort();
-}
 bool icount_configure(QemuOpts *opts, Error **errp)
 {
     /* signal error */
@@ -22,21 +18,6 @@ int64_t icount_get_raw(void)
     abort();
     return 0;
 }
-int64_t icount_get(void)
-{
-    abort();
-    return 0;
-}
-int64_t icount_to_ns(int64_t icount)
-{
-    abort();
-    return 0;
-}
-int64_t icount_round(int64_t count)
-{
-    abort();
-    return 0;
-}
 void icount_start_warp_timer(void)
 {
     abort();
-- 
2.41.0