Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* util/log: re-allow switching away from stderr log file
* finish audio configuration rework
* cleanup HVF stubs
* remove more mentions of softmmu

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (25 commits)
  audio, qtest: get rid of QEMU_AUDIO_DRV
  audio: reintroduce default audio backend for VNC
  audio: do not use first -audiodev as default audio device
  audio: extend -audio to allow creating a default backend
  audio: extract audio_define_default
  audio: disable default backends if -audio/-audiodev is used
  audio: error hints need a trailing \n
  cutils: squelch compiler warnings with custom paths
  configure: change $softmmu to $system
  system: Rename softmmu/ directory as system/
  meson: Rename target_softmmu_arch -> target_system_arch
  meson: Rename softmmu_mods -> system_mods
  target/i386: Rename i386_softmmu_kvm_ss -> i386_kvm_ss
  semihosting: Rename softmmu_FOO_user() -> uaccess_FOO_user()
  gdbstub: Rename 'softmmu' -> 'system'
  accel: Rename accel_softmmu* -> accel_system*
  tcg: Correct invalid mentions of 'softmmu' by 'system-mode'
  fuzz: Correct invalid mentions of 'softmmu' by 'system'
  cpu: Correct invalid mentions of 'softmmu' by 'system-mode'
  travis-ci: Correct invalid mentions of 'softmmu' by 'system'
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

6 files changed, 89 insertions, 17 deletions

diff --git a/include/qemu/atomic128.h b/include/qemu/atomic128.h
index 34554bf0ac..88af6d4ea3 100644
--- a/include/qemu/atomic128.h
+++ b/include/qemu/atomic128.h
@@ -43,8 +43,8 @@
  * See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878
  *
  * This interpretation is not especially helpful for QEMU.
- * For softmmu, all RAM is always read/write from the hypervisor.
- * For user-only, if the guest doesn't implement such an __atomic_read
+ * For system-mode, all RAM is always read/write from the hypervisor.
+ * For user-mode, if the guest doesn't implement such an __atomic_read
  * then the host need not worry about it either.
  *
  * Moreover, using libatomic is not an option, because its interface is
diff --git a/include/semihosting/softmmu-uaccess.h b/include/semihosting/uaccess.h
index 4f08dfc098..3963eafc3e 100644
--- a/include/semihosting/softmmu-uaccess.h
+++ b/include/semihosting/uaccess.h
@@ -7,8 +7,12 @@
  * This code is licensed under the GPL
  */
 
-#ifndef SEMIHOSTING_SOFTMMU_UACCESS_H
-#define SEMIHOSTING_SOFTMMU_UACCESS_H
+#ifndef SEMIHOSTING_UACCESS_H
+#define SEMIHOSTING_UACCESS_H
+
+#ifdef CONFIG_USER_ONLY
+#error Cannot include semihosting/uaccess.h from user emulation
+#endif
 
 #include "cpu.h"
 
@@ -42,18 +46,18 @@
 
 #define put_user_ual(arg, p) put_user_u32(arg, p)
 
-void *softmmu_lock_user(CPUArchState *env, target_ulong addr,
+void *uaccess_lock_user(CPUArchState *env, target_ulong addr,
                         target_ulong len, bool copy);
-#define lock_user(type, p, len, copy) softmmu_lock_user(env, p, len, copy)
+#define lock_user(type, p, len, copy) uaccess_lock_user(env, p, len, copy)
 
-char *softmmu_lock_user_string(CPUArchState *env, target_ulong addr);
-#define lock_user_string(p) softmmu_lock_user_string(env, p)
+char *uaccess_lock_user_string(CPUArchState *env, target_ulong addr);
+#define lock_user_string(p) uaccess_lock_user_string(env, p)
 
-void softmmu_unlock_user(CPUArchState *env, void *p,
+void uaccess_unlock_user(CPUArchState *env, void *p,
                          target_ulong addr, target_ulong len);
-#define unlock_user(s, args, len) softmmu_unlock_user(env, s, args, len)
+#define unlock_user(s, args, len) uaccess_unlock_user(env, s, args, len)
 
-ssize_t softmmu_strlen_user(CPUArchState *env, target_ulong addr);
-#define target_strlen(p) softmmu_strlen_user(env, p)
+ssize_t uaccess_strlen_user(CPUArchState *env, target_ulong addr);
+#define target_strlen(p) uaccess_strlen_user(env, p)
 
 #endif /* SEMIHOSTING_SOFTMMU_UACCESS_H */
diff --git a/include/sysemu/cpu-timers-internal.h b/include/sysemu/cpu-timers-internal.h
new file mode 100644
index 0000000000..94bb7394c5
--- /dev/null
+++ b/include/sysemu/cpu-timers-internal.h
@@ -0,0 +1,71 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef TIMERS_STATE_H
+#define TIMERS_STATE_H
+
+/* timers state, for sharing between icount and cpu-timers */
+
+typedef struct TimersState {
+    /* Protected by BQL.  */
+    int64_t cpu_ticks_prev;
+    int64_t cpu_ticks_offset;
+
+    /*
+     * Protect fields that can be respectively read outside the
+     * BQL, and written from multiple threads.
+     */
+    QemuSeqLock vm_clock_seqlock;
+    QemuSpin vm_clock_lock;
+
+    int16_t cpu_ticks_enabled;
+
+    /* Conversion factor from emulated instructions to virtual clock ticks.  */
+    int16_t icount_time_shift;
+    /* Icount delta used for shift auto adjust. */
+    int64_t last_delta;
+
+    /* Compensate for varying guest execution speed.  */
+    aligned_int64_t qemu_icount_bias;
+
+    int64_t vm_clock_warp_start;
+    int64_t cpu_clock_offset;
+
+    /* Only written by TCG thread */
+    int64_t qemu_icount;
+
+    /* for adjusting icount */
+    QEMUTimer *icount_rt_timer;
+    QEMUTimer *icount_vm_timer;
+    QEMUTimer *icount_warp_timer;
+} TimersState;
+
+extern TimersState timers_state;
+
+/*
+ * icount needs this internal from cpu-timers when adjusting the icount shift.
+ */
+int64_t cpu_get_clock_locked(void);
+
+#endif /* TIMERS_STATE_H */
diff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h
index 4037cd6a73..4a7c6af3a5 100644
--- a/include/sysemu/hvf.h
+++ b/include/sysemu/hvf.h
@@ -20,13 +20,10 @@
 #include "cpu.h"
 
 #ifdef CONFIG_HVF
-uint32_t hvf_get_supported_cpuid(uint32_t func, uint32_t idx,
-                                 int reg);
 extern bool hvf_allowed;
 #define hvf_enabled() (hvf_allowed)
 #else /* !CONFIG_HVF */
 #define hvf_enabled() 0
-#define hvf_get_supported_cpuid(func, idx, reg) 0
 #endif /* !CONFIG_HVF */
 
 #endif /* NEED_CPU_H */
diff --git a/include/sysemu/runstate-action.h b/include/sysemu/runstate-action.h
index cff45a047b..db4e3099ae 100644
--- a/include/sysemu/runstate-action.h
+++ b/include/sysemu/runstate-action.h
@@ -11,7 +11,7 @@
 
 #include "qapi/qapi-commands-run-state.h"
 
-/* in softmmu/runstate-action.c */
+/* in system/runstate-action.c */
 extern RebootAction reboot_action;
 extern ShutdownAction shutdown_action;
 extern PanicAction panic_action;
diff --git a/include/tcg/tcg-op-common.h b/include/tcg/tcg-op-common.h
index a53b15933b..2048f92b5e 100644
--- a/include/tcg/tcg-op-common.h
+++ b/include/tcg/tcg-op-common.h
@@ -265,7 +265,7 @@ void tcg_gen_exit_tb(const TranslationBlock *tb, unsigned idx);
  *
  * See tcg/README for more info about this TCG operation.
  *
- * NOTE: In softmmu emulation, direct jumps with goto_tb are only safe within
+ * NOTE: In system emulation, direct jumps with goto_tb are only safe within
  * the pages this TB resides in because we don't take care of direct jumps when
  * address mapping changes, e.g. in tlb_flush(). In user mode, there's only a
  * static address translation, so the destination address is always valid, TBs