git: bbe97db3c211 - main - arm64/vmm: Add the VHE exception and switcher files
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Date: Tue, 20 Aug 2024 09:02:27 UTC
The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=bbe97db3c211bd0a89a5b9c1a58857625b763475 commit bbe97db3c211bd0a89a5b9c1a58857625b763475 Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2024-08-19 12:44:31 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2024-08-20 08:49:16 +0000 arm64/vmm: Add the VHE exception and switcher files These just need to include the common code with macros to ensure it is built correctly. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D46083 --- sys/arm64/vmm/vmm_vhe.c | 39 +++++++++++++++++++++++++++++++++++++++ sys/arm64/vmm/vmm_vhe_exception.S | 31 +++++++++++++++++++++++++++++++ sys/conf/files.arm64 | 2 ++ sys/modules/vmm/Makefile | 2 ++ 4 files changed, 74 insertions(+) diff --git a/sys/arm64/vmm/vmm_vhe.c b/sys/arm64/vmm/vmm_vhe.c new file mode 100644 index 000000000000..8a12852e2a7a --- /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 index 000000000000..286f5df03707 --- /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 index b522177221e5..b105ce873d24 100644 --- a/sys/conf/files.arm64 +++ b/sys/conf/files.arm64 @@ -145,6 +145,8 @@ vmm_hyp_blob.bin optional vmm \ 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 index a3a878a653ff..0604a34690e5 100644 --- a/sys/modules/vmm/Makefile +++ b/sys/modules/vmm/Makefile @@ -30,6 +30,8 @@ SRCS+= vmm_arm64.c \ 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