Date: Thu, 7 Aug 2025 09:51:43 GMT From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 5c2f2c5c7a17 - main - arm64/vmm: Support reading MPIDR_EL1 Message-ID: <202508070951.5779phYg017805@gitrepo.freebsd.org>
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The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=5c2f2c5c7a17b94d151ffbb822cfa6cb10d4a4e1 commit 5c2f2c5c7a17b94d151ffbb822cfa6cb10d4a4e1 Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2025-08-07 09:20:14 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2025-08-07 09:45:15 +0000 arm64/vmm: Support reading MPIDR_EL1 We may need access to this in userspace, e.g. to put into the FDT. Reviewed by: markj Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D51762 --- sys/arm64/include/vmm.h | 1 + sys/arm64/vmm/vmm_arm64.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/sys/arm64/include/vmm.h b/sys/arm64/include/vmm.h index 1d783cdacb0d..73b5b4a09591 100644 --- a/sys/arm64/include/vmm.h +++ b/sys/arm64/include/vmm.h @@ -89,6 +89,7 @@ enum vm_reg_name { VM_REG_GUEST_TTBR1_EL1, VM_REG_GUEST_TCR_EL1, VM_REG_GUEST_TCR2_EL1, + VM_REG_GUEST_MPIDR_EL1, VM_REG_LAST }; diff --git a/sys/arm64/vmm/vmm_arm64.c b/sys/arm64/vmm/vmm_arm64.c index de2425aae0a1..e293c99a6646 100644 --- a/sys/arm64/vmm/vmm_arm64.c +++ b/sys/arm64/vmm/vmm_arm64.c @@ -1251,6 +1251,8 @@ hypctx_regptr(struct hypctx *hypctx, int reg) return (&hypctx->tcr_el1); case VM_REG_GUEST_TCR2_EL1: return (&hypctx->tcr2_el1); + case VM_REG_GUEST_MPIDR_EL1: + return (&hypctx->vmpidr_el2); default: break; }
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