Date: Tue, 19 Jul 2022 07:37:23 GMT From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: d920ff6f23f5 - stable/13 - Trap SVE instructions until we have SVE support Message-ID: <202207190737.26J7bNwk021531@gitrepo.freebsd.org>
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The branch stable/13 has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=d920ff6f23f5821e6bd09940432339d1755d5e7a commit d920ff6f23f5821e6bd09940432339d1755d5e7a Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2022-06-24 11:50:28 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2022-07-19 07:03:30 +0000 Trap SVE instructions until we have SVE support When running on hardware that supports SVE send the correct signal when an SVE instruction is run. Sponsored by: The FreeBSD Foundation (cherry picked from commit ffa5bf8b600a77838be8fbf383382a2e7bafedc6) --- sys/arm64/arm64/trap.c | 5 +++++ sys/arm64/include/armreg.h | 1 + 2 files changed, 6 insertions(+) diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c index e9afbd47c0af..e845f998633a 100644 --- a/sys/arm64/arm64/trap.c +++ b/sys/arm64/arm64/trap.c @@ -585,6 +585,11 @@ do_el0_sync(struct thread *td, struct trapframe *frame) panic("VFP exception in userland"); #endif break; + case EXCP_SVE: + call_trapsignal(td, SIGILL, ILL_ILLTRP, (void *)frame->tf_elr, + exception); + userret(td, frame); + break; case EXCP_SVC32: case EXCP_SVC64: svc_handler(td, frame); diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h index 1e7fefd70dc6..c164ebe9ece6 100644 --- a/sys/arm64/include/armreg.h +++ b/sys/arm64/include/armreg.h @@ -301,6 +301,7 @@ #define EXCP_SVC64 0x15 /* SVC trap for AArch64 */ #define EXCP_HVC 0x16 /* HVC trap */ #define EXCP_MSR 0x18 /* MSR/MRS trap */ +#define EXCP_SVE 0x19 /* SVE trap */ #define EXCP_FPAC 0x1c /* Faulting PAC trap */ #define EXCP_INSN_ABORT_L 0x20 /* Instruction abort, from lower EL */ #define EXCP_INSN_ABORT 0x21 /* Instruction abort, from same EL */
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