From: Philippe Mathieu-Daudé <philmd@linaro.org>
Date: Tue, 21 Jan 2025 11:57:16 +0000 (+0100)
Subject: cpus: Introduce SysemuCPUOps::has_work() handler
X-Git-Tag: v10.0.0-rc0~17^2~22
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=72eacd623170dd680557ece6957575c30774cdef;p=thirdparty%2Fqemu.git

cpus: Introduce SysemuCPUOps::has_work() handler

SysemuCPUOps::has_work() is similar to CPUClass::has_work(),
but only exposed on system emulation.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250125170125.32855-4-philmd@linaro.org>
---

diff --git a/hw/core/cpu-system.c b/hw/core/cpu-system.c
index c10e3c9ba6..601335fd76 100644
--- a/hw/core/cpu-system.c
+++ b/hw/core/cpu-system.c
@@ -33,6 +33,10 @@
 
 bool cpu_has_work(CPUState *cpu)
 {
+    if (cpu->cc->sysemu_ops->has_work) {
+        return cpu->cc->sysemu_ops->has_work(cpu);
+    }
+
     g_assert(cpu->cc->has_work);
     return cpu->cc->has_work(cpu);
 }
diff --git a/include/accel/tcg/cpu-ops.h b/include/accel/tcg/cpu-ops.h
index 2e3f1690f1..f60e5303f2 100644
--- a/include/accel/tcg/cpu-ops.h
+++ b/include/accel/tcg/cpu-ops.h
@@ -141,7 +141,7 @@ struct TCGCPUOps {
      *
      * This method must be provided. If the target does not need to
      * do anything special for halt, the same function used for its
-     * CPUClass::has_work method can be used here, as they have the
+     * SysemuCPUOps::has_work method can be used here, as they have the
      * same function signature.
      */
     bool (*cpu_exec_halt)(CPUState *cpu);
diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h
index 0df5b058f5..dee8a62ca9 100644
--- a/include/hw/core/sysemu-cpu-ops.h
+++ b/include/hw/core/sysemu-cpu-ops.h
@@ -16,6 +16,10 @@
  * struct SysemuCPUOps: System operations specific to a CPU class
  */
 typedef struct SysemuCPUOps {
+    /**
+     * @has_work: Callback for checking if there is work to do.
+     */
+    bool (*has_work)(CPUState *cpu);
     /**
      * @get_memory_mapping: Callback for obtaining the memory mappings.
      */