diff mbox series

[v3,07/30] accel/tcg: Implement AccelOpsClass::has_work() as stub

Message ID 20210902161543.417092-8-f4bug@amsat.org (mailing list archive)
State New, archived
Headers show
Series accel: Move has_work() from SysemuCPUOps to AccelOpsClass | expand

Commit Message

Philippe Mathieu-Daudé Sept. 2, 2021, 4:15 p.m. UTC 
Add TCG target-specific has_work() handler in TCGCPUOps,
and add tcg_cpu_has_work() as AccelOpsClass has_work()
implementation.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/hw/core/tcg-cpu-ops.h |  4 ++++
 accel/tcg/tcg-accel-ops.c     | 12 ++++++++++++
 2 files changed, 16 insertions(+)

Comments

Richard Henderson Sept. 3, 2021, 8:17 p.m. UTC | #1 
On 9/2/21 6:15 PM, Philippe Mathieu-Daudé wrote:
> Add TCG target-specific has_work() handler in TCGCPUOps,
> and add tcg_cpu_has_work() as AccelOpsClass has_work()
> implementation.
> 
> Signed-off-by: Philippe Mathieu-Daudé<f4bug@amsat.org>
> ---
>   include/hw/core/tcg-cpu-ops.h |  4 ++++
>   accel/tcg/tcg-accel-ops.c     | 12 ++++++++++++
>   2 files changed, 16 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
index bbec7760f48..919d9006e24 100644
--- a/include/hw/core/tcg-cpu-ops.h
+++ b/include/hw/core/tcg-cpu-ops.h
@@ -66,6 +66,10 @@  struct TCGCPUOps {
     void (*do_interrupt)(CPUState *cpu);
 #endif /* !CONFIG_USER_ONLY || !TARGET_I386 */
 #ifdef CONFIG_SOFTMMU
+    /**
+     * @has_work: Callback for checking if there is work to do.
+     */
+    bool (*has_work)(CPUState *cpu);
     /** @cpu_exec_interrupt: Callback for processing interrupts in cpu_exec */
     bool (*cpu_exec_interrupt)(CPUState *cpu, int interrupt_request);
     /**
diff --git a/accel/tcg/tcg-accel-ops.c b/accel/tcg/tcg-accel-ops.c
index 1a8e8390bd6..ed4ebe735fe 100644
--- a/accel/tcg/tcg-accel-ops.c
+++ b/accel/tcg/tcg-accel-ops.c
@@ -32,6 +32,7 @@ 
 #include "qemu/main-loop.h"
 #include "qemu/guest-random.h"
 #include "exec/exec-all.h"
+#include "hw/core/tcg-cpu-ops.h"
 
 #include "tcg-accel-ops.h"
 #include "tcg-accel-ops-mttcg.h"
@@ -73,6 +74,16 @@  int tcg_cpus_exec(CPUState *cpu)
     return ret;
 }
 
+static bool tcg_cpu_has_work(CPUState *cpu)
+{
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+
+    if (!cc->tcg_ops->has_work) {
+        return false;
+    }
+    return cc->tcg_ops->has_work(cpu);
+}
+
 /* mask must never be zero, except for A20 change call */
 void tcg_handle_interrupt(CPUState *cpu, int mask)
 {
@@ -108,6 +119,7 @@  static void tcg_accel_ops_init(AccelOpsClass *ops)
         ops->kick_vcpu_thread = rr_kick_vcpu_thread;
         ops->handle_interrupt = tcg_handle_interrupt;
     }
+    ops->has_work = tcg_cpu_has_work;
 }
 
 static void tcg_accel_ops_class_init(ObjectClass *oc, void *data)