Add NVMM accelerator: acceleration enlightenments

Signed-off-by: Kamil Rytarowski <kamil@NetBSD.org>
Signed-off-by: Reinoud Zandijk <reinoud@NetBSD.org>
Message-Id: <20210402202535.11550-4-reinoud@NetBSD.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/include/sysemu/hw_accel.h b/include/sysemu/hw_accel.h
index 61672f9b322ea65e5a2339315a2c9bbd60ef881e..01b5ebf442a9836ceeb4526c13115ab8c39d0749 100644 (file)
--- a/include/sysemu/hw_accel.h
+++ b/include/sysemu/hw_accel.h
@@ -16,6 +16,7 @@
 #include "sysemu/kvm.h"
 #include "sysemu/hvf.h"
 #include "sysemu/whpx.h"
+#include "sysemu/nvmm.h"
 
 void cpu_synchronize_state(CPUState *cpu);
 void cpu_synchronize_post_reset(CPUState *cpu);

diff --git a/include/sysemu/nvmm.h b/include/sysemu/nvmm.h
new file mode 100644 (file)
index 0000000..6d21659
--- /dev/null
+++ b/include/sysemu/nvmm.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2019 Maxime Villard, All rights reserved.
+ *
+ * NetBSD Virtual Machine Monitor (NVMM) accelerator support.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_NVMM_H
+#define QEMU_NVMM_H
+
+#include "config-host.h"
+#include "qemu-common.h"
+
+#ifdef CONFIG_NVMM
+
+int nvmm_enabled(void);
+
+#else /* CONFIG_NVMM */
+
+#define nvmm_enabled() (0)
+
+#endif /* CONFIG_NVMM */
+
+#endif /* CONFIG_NVMM */

diff --git a/target/i386/helper.c b/target/i386/helper.c
index 618ad1c4093adc9eda438ca992647dc855557048..8c180b5b2b9ae4e04389f0aad8ce6c966fff96ba 100644 (file)
--- a/target/i386/helper.c
+++ b/target/i386/helper.c
@@ -495,7 +495,7 @@ void cpu_report_tpr_access(CPUX86State *env, TPRAccess access)
     X86CPU *cpu = env_archcpu(env);
     CPUState *cs = env_cpu(env);
 
-    if (kvm_enabled() || whpx_enabled()) {
+    if (kvm_enabled() || whpx_enabled() || nvmm_enabled()) {
         env->tpr_access_type = access;
 
         cpu_interrupt(cs, CPU_INTERRUPT_TPR);