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[PULL 08/35] accel/tcg: Implement AccelOpsClass::has_work() as stub
From: |
Richard Henderson |
Subject: |
[PULL 08/35] accel/tcg: Implement AccelOpsClass::has_work() as stub |
Date: |
Thu, 16 Sep 2021 08:29:58 -0700 |
From: Philippe Mathieu-Daudé <f4bug@amsat.org>
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>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210912172731.789788-8-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
include/hw/core/tcg-cpu-ops.h | 4 ++++
accel/tcg/tcg-accel-ops.c | 12 ++++++++++++
2 files changed, 16 insertions(+)
diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
index 55123cb4d2..4a4c4053e3 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 1a8e8390bd..ed4ebe735f 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)
--
2.25.1
- [PULL 00/35] tcg patch queue, Richard Henderson, 2021/09/16
- [PULL 06/35] accel/kvm: Implement AccelOpsClass::has_work(), Richard Henderson, 2021/09/16
- [PULL 03/35] hw/core: Restrict cpu_has_work() to sysemu, Richard Henderson, 2021/09/16
- [PULL 08/35] accel/tcg: Implement AccelOpsClass::has_work() as stub,
Richard Henderson <=
- [PULL 04/35] hw/core: Un-inline cpu_has_work(), Richard Henderson, 2021/09/16
- [PULL 07/35] accel/whpx: Implement AccelOpsClass::has_work(), Richard Henderson, 2021/09/16
- [PULL 05/35] sysemu: Introduce AccelOpsClass::has_work(), Richard Henderson, 2021/09/16
- [PULL 02/35] accel/tcg: Restrict cpu_handle_halt() to sysemu, Richard Henderson, 2021/09/16
- [PULL 01/35] include/exec: Move cpu_signal_handler declaration, Richard Henderson, 2021/09/16
- [PULL 13/35] target/hexagon: Remove unused has_work() handler, Richard Henderson, 2021/09/16
- [PULL 11/35] target/avr: Restrict has_work() handler to sysemu, Richard Henderson, 2021/09/16
- [PULL 12/35] target/cris: Restrict has_work() handler to sysemu, Richard Henderson, 2021/09/16
- [PULL 09/35] target/alpha: Restrict has_work() handler to sysemu, Richard Henderson, 2021/09/16
- [PULL 10/35] target/arm: Restrict has_work() handler to sysemu and TCG, Richard Henderson, 2021/09/16