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* [PATCH] accel/tcg: Declare cpu_loop_exit_requested() in 'exec/cpu-common.h'
@ 2024-12-17 14:06 Philippe Mathieu-Daudé
  2024-12-17 14:27 ` Richard Henderson
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Philippe Mathieu-Daudé @ 2024-12-17 14:06 UTC (permalink / raw)
  To: qemu-devel
  Cc: qemu-arm, qemu-s390x, Richard Henderson,
	Philippe Mathieu-Daudé

Move cpu_loop_exit_requested() declaration to "exec/cpu-common.h",
along with the related cpu_loop_exit_noexc(), cpu_loop_exit(),
cpu_loop_exit_atomic() and cpu_loop_exit_restore() methods.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
Based-on: <20241212185341.2857-19-philmd@linaro.org>
---
 include/exec/cpu-common.h     | 18 ++++++++++++++++++
 include/exec/exec-all.h       | 17 -----------------
 accel/tcg/cpu-exec.c          |  2 +-
 target/arm/tcg/helper-a64.c   |  1 +
 target/s390x/tcg/mem_helper.c |  1 +
 5 files changed, 21 insertions(+), 18 deletions(-)

diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index 638dc806a5f..0cf9a3d369c 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -186,6 +186,7 @@ int cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
 void list_cpus(void);
 
 #ifdef CONFIG_TCG
+#include "qemu/atomic.h"
 
 bool tcg_cflags_has(CPUState *cpu, uint32_t flags);
 void tcg_cflags_set(CPUState *cpu, uint32_t flags);
@@ -218,6 +219,23 @@ bool cpu_unwind_state_data(CPUState *cpu, uintptr_t host_pc, uint64_t *data);
  */
 bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc);
 
+/**
+ * cpu_loop_exit_requested:
+ * @cpu: The CPU state to be tested
+ *
+ * Indicate if somebody asked for a return of the CPU to the main loop
+ * (e.g., via cpu_exit() or cpu_interrupt()).
+ *
+ * This is helpful for architectures that support interruptible
+ * instructions. After writing back all state to registers/memory, this
+ * call can be used to check if it makes sense to return to the main loop
+ * or to continue executing the interruptible instruction.
+ */
+static inline bool cpu_loop_exit_requested(CPUState *cpu)
+{
+    return (int32_t)qatomic_read(&cpu->neg.icount_decr.u32) < 0;
+}
+
 G_NORETURN void cpu_loop_exit_noexc(CPUState *cpu);
 G_NORETURN void cpu_loop_exit_atomic(CPUState *cpu, uintptr_t pc);
 #endif /* CONFIG_TCG */
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index c4a6ad3af2d..d9045c9ac4c 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -27,23 +27,6 @@
 #include "exec/mmu-access-type.h"
 #include "exec/translation-block.h"
 
-/**
- * cpu_loop_exit_requested:
- * @cpu: The CPU state to be tested
- *
- * Indicate if somebody asked for a return of the CPU to the main loop
- * (e.g., via cpu_exit() or cpu_interrupt()).
- *
- * This is helpful for architectures that support interruptible
- * instructions. After writing back all state to registers/memory, this
- * call can be used to check if it makes sense to return to the main loop
- * or to continue executing the interruptible instruction.
- */
-static inline bool cpu_loop_exit_requested(CPUState *cpu)
-{
-    return (int32_t)qatomic_read(&cpu->neg.icount_decr.u32) < 0;
-}
-
 #if !defined(CONFIG_USER_ONLY) && defined(CONFIG_TCG)
 /* cputlb.c */
 /**
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index e9eaab223f9..c07e59cd0b1 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -25,7 +25,7 @@
 #include "hw/core/tcg-cpu-ops.h"
 #include "trace.h"
 #include "disas/disas.h"
-#include "exec/exec-all.h"
+#include "exec/cpu-common.h"
 #include "exec/page-protection.h"
 #include "tcg/tcg.h"
 #include "qemu/atomic.h"
diff --git a/target/arm/tcg/helper-a64.c b/target/arm/tcg/helper-a64.c
index 58eaca66012..95e46071cab 100644
--- a/target/arm/tcg/helper-a64.c
+++ b/target/arm/tcg/helper-a64.c
@@ -29,6 +29,7 @@
 #include "internals.h"
 #include "qemu/crc32c.h"
 #include "exec/exec-all.h"
+#include "exec/cpu-common.h"
 #include "exec/cpu_ldst.h"
 #include "qemu/int128.h"
 #include "qemu/atomic128.h"
diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c
index 307388e5bd1..b617f78204f 100644
--- a/target/s390x/tcg/mem_helper.c
+++ b/target/s390x/tcg/mem_helper.c
@@ -25,6 +25,7 @@
 #include "tcg_s390x.h"
 #include "exec/helper-proto.h"
 #include "exec/exec-all.h"
+#include "exec/cpu-common.h"
 #include "exec/page-protection.h"
 #include "exec/cpu_ldst.h"
 #include "hw/core/tcg-cpu-ops.h"
-- 
2.45.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread
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Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2024-12-17 14:06 [PATCH] accel/tcg: Declare cpu_loop_exit_requested() in 'exec/cpu-common.h' Philippe Mathieu-Daudé
2024-12-17 14:27 ` Richard Henderson
2024-12-17 14:27 ` Alex Bennée
2024-12-19 17:10 ` Philippe Mathieu-Daudé

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