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D46083.id141264.diff
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diff --git a/sys/arm64/vmm/vmm_vhe.c b/sys/arm64/vmm/vmm_vhe.c
new file mode 100644
--- /dev/null
+++ b/sys/arm64/vmm/vmm_vhe.c
@@ -0,0 +1,39 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Arm Ltd
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "vmm_handlers.h"
+
+#define VMM_VHE
+
+#define VMM_STATIC
+#define VMM_HYP_FUNC(func) vmm_vhe_ ## func
+
+#define guest_or_nonvhe(guest) (guest)
+#define EL1_REG(reg) MRS_REG_ALT_NAME(reg ## _EL12)
+#define EL0_REG(reg) MRS_REG_ALT_NAME(reg ## _EL02)
+
+#include "vmm_hyp.c"
diff --git a/sys/arm64/vmm/vmm_vhe_exception.S b/sys/arm64/vmm/vmm_vhe_exception.S
new file mode 100644
--- /dev/null
+++ b/sys/arm64/vmm/vmm_vhe_exception.S
@@ -0,0 +1,31 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Arm Ltd
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#define VMM_VHE
+#define VMM_HYP_FUNC(func) vmm_vhe_ ## func
+
+#include "vmm_hyp_exception.S"
diff --git a/sys/conf/files.arm64 b/sys/conf/files.arm64
--- a/sys/conf/files.arm64
+++ b/sys/conf/files.arm64
@@ -145,6 +145,8 @@
arm64/vmm/vmm_hyp_el2.S optional vmm \
dependency vmm_hyp_blob.bin
arm64/vmm/vmm_mmu.c optional vmm
+arm64/vmm/vmm_vhe.c optional vmm
+arm64/vmm/vmm_vhe_exception.S optional vmm
arm64/vmm/io/vgic.c optional vmm
arm64/vmm/io/vgic_v3.c optional vmm
arm64/vmm/io/vgic_if.m optional vmm
diff --git a/sys/modules/vmm/Makefile b/sys/modules/vmm/Makefile
--- a/sys/modules/vmm/Makefile
+++ b/sys/modules/vmm/Makefile
@@ -30,6 +30,8 @@
vmm_call.S \
vmm_handlers.c \
vmm_mmu.c \
+ vmm_vhe_exception.S \
+ vmm_vhe.c \
vmm_hyp_el2.S
.PATH: ${SRCTOP}/sys/${MACHINE}/vmm/io
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D46083: arm64/vmm: Add the VHE exception and switcher files
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