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