diff mbox series

[PATCH-for-8.0,v2,1/3] softmmu: Restrict cpu_check_watchpoint / address_matches to TCG accel

Message ID 20230328173117.15226-2-philmd@linaro.org (mailing list archive)
State New, archived
Headers show
Series softmmu: Restore use of CPU watchpoint for non-TCG accelerators | expand

Commit Message

Philippe Mathieu-Daudé March 28, 2023, 5:31 p.m. UTC
Both cpu_check_watchpoint() and cpu_watchpoint_address_matches()
are specific to TCG system emulation. Declare them in "tcg-cpu-ops.h"
to be sure accessing them from non-TCG code is a compilation error.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/core/cpu.h         | 37 ------------------------------
 include/hw/core/tcg-cpu-ops.h | 43 +++++++++++++++++++++++++++++++++++
 target/arm/tcg/mte_helper.c   |  1 +
 target/arm/tcg/sve_helper.c   |  1 +
 target/s390x/tcg/mem_helper.c |  1 +
 5 files changed, 46 insertions(+), 37 deletions(-)

Comments

Fabiano Rosas March 29, 2023, 1:57 p.m. UTC | #1
Philippe Mathieu-Daudé <philmd@linaro.org> writes:

> Both cpu_check_watchpoint() and cpu_watchpoint_address_matches()
> are specific to TCG system emulation. Declare them in "tcg-cpu-ops.h"
> to be sure accessing them from non-TCG code is a compilation error.
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Reviewed-by: Fabiano Rosas <farosas@suse.de>
diff mbox series

Patch

diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 821e937020..ce312745d5 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -970,17 +970,6 @@  static inline void cpu_watchpoint_remove_by_ref(CPUState *cpu,
 static inline void cpu_watchpoint_remove_all(CPUState *cpu, int mask)
 {
 }
-
-static inline void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len,
-                                        MemTxAttrs atr, int fl, uintptr_t ra)
-{
-}
-
-static inline int cpu_watchpoint_address_matches(CPUState *cpu,
-                                                 vaddr addr, vaddr len)
-{
-    return 0;
-}
 #else
 int cpu_watchpoint_insert(CPUState *cpu, vaddr addr, vaddr len,
                           int flags, CPUWatchpoint **watchpoint);
@@ -988,32 +977,6 @@  int cpu_watchpoint_remove(CPUState *cpu, vaddr addr,
                           vaddr len, int flags);
 void cpu_watchpoint_remove_by_ref(CPUState *cpu, CPUWatchpoint *watchpoint);
 void cpu_watchpoint_remove_all(CPUState *cpu, int mask);
-
-/**
- * cpu_check_watchpoint:
- * @cpu: cpu context
- * @addr: guest virtual address
- * @len: access length
- * @attrs: memory access attributes
- * @flags: watchpoint access type
- * @ra: unwind return address
- *
- * Check for a watchpoint hit in [addr, addr+len) of the type
- * specified by @flags.  Exit via exception with a hit.
- */
-void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len,
-                          MemTxAttrs attrs, int flags, uintptr_t ra);
-
-/**
- * cpu_watchpoint_address_matches:
- * @cpu: cpu context
- * @addr: guest virtual address
- * @len: access length
- *
- * Return the watchpoint flags that apply to [addr, addr+len).
- * If no watchpoint is registered for the range, the result is 0.
- */
-int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len);
 #endif
 
 /**
diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
index 20e3c0ffbb..0ae08df47e 100644
--- a/include/hw/core/tcg-cpu-ops.h
+++ b/include/hw/core/tcg-cpu-ops.h
@@ -175,4 +175,47 @@  struct TCGCPUOps {
 
 };
 
+#if defined(CONFIG_USER_ONLY)
+
+static inline void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len,
+                                        MemTxAttrs atr, int fl, uintptr_t ra)
+{
+}
+
+static inline int cpu_watchpoint_address_matches(CPUState *cpu,
+                                                 vaddr addr, vaddr len)
+{
+    return 0;
+}
+
+#else
+
+/**
+ * cpu_check_watchpoint:
+ * @cpu: cpu context
+ * @addr: guest virtual address
+ * @len: access length
+ * @attrs: memory access attributes
+ * @flags: watchpoint access type
+ * @ra: unwind return address
+ *
+ * Check for a watchpoint hit in [addr, addr+len) of the type
+ * specified by @flags.  Exit via exception with a hit.
+ */
+void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len,
+                          MemTxAttrs attrs, int flags, uintptr_t ra);
+
+/**
+ * cpu_watchpoint_address_matches:
+ * @cpu: cpu context
+ * @addr: guest virtual address
+ * @len: access length
+ *
+ * Return the watchpoint flags that apply to [addr, addr+len).
+ * If no watchpoint is registered for the range, the result is 0.
+ */
+int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len);
+
+#endif
+
 #endif /* TCG_CPU_OPS_H */
diff --git a/target/arm/tcg/mte_helper.c b/target/arm/tcg/mte_helper.c
index fee3c7eb96..a4f3f92bc0 100644
--- a/target/arm/tcg/mte_helper.c
+++ b/target/arm/tcg/mte_helper.c
@@ -25,6 +25,7 @@ 
 #include "exec/ram_addr.h"
 #include "exec/cpu_ldst.h"
 #include "exec/helper-proto.h"
+#include "hw/core/tcg-cpu-ops.h"
 #include "qapi/error.h"
 #include "qemu/guest-random.h"
 
diff --git a/target/arm/tcg/sve_helper.c b/target/arm/tcg/sve_helper.c
index 9a8951afa4..ccf5e5beca 100644
--- a/target/arm/tcg/sve_helper.c
+++ b/target/arm/tcg/sve_helper.c
@@ -27,6 +27,7 @@ 
 #include "tcg/tcg.h"
 #include "vec_internal.h"
 #include "sve_ldst_internal.h"
+#include "hw/core/tcg-cpu-ops.h"
 
 
 /* Return a value for NZCV as per the ARM PredTest pseudofunction.
diff --git a/target/s390x/tcg/mem_helper.c b/target/s390x/tcg/mem_helper.c
index b93dbd3dad..8b58b8d88d 100644
--- a/target/s390x/tcg/mem_helper.c
+++ b/target/s390x/tcg/mem_helper.c
@@ -26,6 +26,7 @@ 
 #include "exec/helper-proto.h"
 #include "exec/exec-all.h"
 #include "exec/cpu_ldst.h"
+#include "hw/core/tcg-cpu-ops.h"
 #include "qemu/int128.h"
 #include "qemu/atomic128.h"
 #include "trace.h"