From owner-svn-src-all@freebsd.org Mon Jun 10 17:43:35 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4D95F15C52A2; Mon, 10 Jun 2019 17:43:35 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E80FF8615D; Mon, 10 Jun 2019 17:43:34 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id B182C1D911; Mon, 10 Jun 2019 17:43:34 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x5AHhYtG062524; Mon, 10 Jun 2019 17:43:34 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x5AHhYS5062521; Mon, 10 Jun 2019 17:43:34 GMT (envelope-from kib@FreeBSD.org) Message-Id: <201906101743.x5AHhYS5062521@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Mon, 10 Jun 2019 17:43:34 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r348871 - in stable/12/sys/amd64: amd64 include X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: in stable/12/sys/amd64: amd64 include X-SVN-Commit-Revision: 348871 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: E80FF8615D X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.96)[-0.962,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Jun 2019 17:43:35 -0000 Author: kib Date: Mon Jun 10 17:43:33 2019 New Revision: 348871 URL: https://svnweb.freebsd.org/changeset/base/348871 Log: MFC r348539: amd64 ef_rt_arch_call: Preserve %rflags around call into EFI RT service. Modified: stable/12/sys/amd64/amd64/efirt_support.S stable/12/sys/amd64/amd64/genassym.c stable/12/sys/amd64/include/efi.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/amd64/amd64/efirt_support.S ============================================================================== --- stable/12/sys/amd64/amd64/efirt_support.S Mon Jun 10 17:40:31 2019 (r348870) +++ stable/12/sys/amd64/amd64/efirt_support.S Mon Jun 10 17:43:33 2019 (r348871) @@ -47,6 +47,9 @@ ENTRY(efi_rt_arch_call) movq %r13, EC_R13(%rdi) movq %r14, EC_R14(%rdi) movq %r15, EC_R15(%rdi) + pushfq + popq %rax + movq %rax, EC_RFLAGS(%rdi) movq PCPU(CURTHREAD), %rax movq %rdi, TD_MD+MD_EFIRT_TMP(%rax) movq PCPU(CURPCB), %rsi @@ -98,6 +101,8 @@ efi_rt_arch_call_tail: movq EC_RBP(%rdi), %rbp movq EC_RSP(%rdi), %rsp movq EC_RBX(%rdi), %rbx + pushq EC_RFLAGS(%rdi) + popfq popq %rbp ret Modified: stable/12/sys/amd64/amd64/genassym.c ============================================================================== --- stable/12/sys/amd64/amd64/genassym.c Mon Jun 10 17:40:31 2019 (r348870) +++ stable/12/sys/amd64/amd64/genassym.c Mon Jun 10 17:43:33 2019 (r348871) @@ -272,3 +272,4 @@ ASSYM(EC_R12, offsetof(struct efirt_callinfo, ec_r12)) ASSYM(EC_R13, offsetof(struct efirt_callinfo, ec_r13)); ASSYM(EC_R14, offsetof(struct efirt_callinfo, ec_r14)); ASSYM(EC_R15, offsetof(struct efirt_callinfo, ec_r15)); +ASSYM(EC_RFLAGS, offsetof(struct efirt_callinfo, ec_rflags)); Modified: stable/12/sys/amd64/include/efi.h ============================================================================== --- stable/12/sys/amd64/include/efi.h Mon Jun 10 17:40:31 2019 (r348870) +++ stable/12/sys/amd64/include/efi.h Mon Jun 10 17:43:33 2019 (r348871) @@ -72,6 +72,7 @@ struct efirt_callinfo { register_t ec_r13; register_t ec_r14; register_t ec_r15; + register_t ec_rflags; }; #endif /* __AMD64_INCLUDE_EFI_H_ */