Date: Wed, 24 May 2023 10:59:26 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: 255adf35c0b9 - main - Export arm64 VFP handling functions Message-ID: <202305241059.34OAxQg2042376@gitrepo.freebsd.org>
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The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=255adf35c0b928e43c82ade2a491eea51e71383f commit 255adf35c0b928e43c82ade2a491eea51e71383f Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2023-05-16 10:08:03 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2023-05-24 10:55:38 +0000 Export arm64 VFP handling functions These will be used by bhyve to manage the host VFP registers, e.g. saving the host state before entering a guest. Reviewed by: markj Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D40130 --- sys/arm64/arm64/vfp.c | 8 ++++---- sys/arm64/include/vfp.h | 4 ++++ 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/sys/arm64/arm64/vfp.c b/sys/arm64/arm64/vfp.c index 49a83d3fe71f..22b15ee78596 100644 --- a/sys/arm64/arm64/vfp.c +++ b/sys/arm64/arm64/vfp.c @@ -57,7 +57,7 @@ struct fpu_kern_ctx { struct vfpstate state; }; -static void +void vfp_enable(void) { uint32_t cpacr; @@ -68,7 +68,7 @@ vfp_enable(void) isb(); } -static void +void vfp_disable(void) { uint32_t cpacr; @@ -99,7 +99,7 @@ vfp_discard(struct thread *td) vfp_disable(); } -static void +void vfp_store(struct vfpstate *state) { __uint128_t *vfp_state; @@ -131,7 +131,7 @@ vfp_store(struct vfpstate *state) state->vfp_fpsr = fpsr; } -static void +void vfp_restore(struct vfpstate *state) { __uint128_t *vfp_state; diff --git a/sys/arm64/include/vfp.h b/sys/arm64/include/vfp.h index a450a5f31fdd..4f64b0396417 100644 --- a/sys/arm64/include/vfp.h +++ b/sys/arm64/include/vfp.h @@ -67,7 +67,11 @@ struct pcb; struct thread; void vfp_init(void); +void vfp_enable(void); +void vfp_disable(void); void vfp_discard(struct thread *); +void vfp_store(struct vfpstate *); +void vfp_restore(struct vfpstate *); void vfp_new_thread(struct thread *, struct thread *, bool); void vfp_reset_state(struct thread *, struct pcb *); void vfp_restore_state(void);
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