From nobody Thu Jun 18 14:57:38 2026 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4gh3jt68wNz6hLyy for ; Thu, 18 Jun 2026 14:57:38 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gh3jt5C0Sz43mW for ; Thu, 18 Jun 2026 14:57:38 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781794658; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=EJLgvs9YmhyhkAJAwKsOzt2Pz4wbuMyi7DN4C1dMgJw=; b=qyLdF7Thj/WJWg4MeK1GZR5g1qY/waUZVHxEQh7KTcrDAPLL8l7ZQ9N/nZyliNaGYuSosx ITQ5tP+EGpyybLUMq9kBr/UL7stTjx5HXppoSCeNoCeLY6LzWwbX0ZLhaZVo/8dwYFweRG VgcMdoJFzONzvtCErNZ1P3wWRuW3Sb+0rNk7NAlFieWYrTGLTfXdQCljufKcR90sAGk9kd 0jnbNsKNkR0WBsD+f5cmM/XVgGx2LLUDOyhC+wSIQkUsYhD6EZfDbxJpmiA4IpwY5oiwPV 80RU9kXanl0kxds/bXsRZVcX4iJV5tFPGr4dPelH5rDlmK39dgx2GhtKCNvcxQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1781794658; a=rsa-sha256; cv=none; b=vjXiBpUksz8VLgLztDnFv5xD+elzsPlYB4zR1PE8htPQYnpFUs+zsbKmsKFrZEARLU30qJ atLbjXe8kPfST8szv0oIdCvK6TNL5hi0hY5aTJ52g+sXLZC/HxMKutN5OSzVPha9SGJ0tD HSZovavNxAwb47zgZFcmHDC6F11HuzSLGSFYYJeRou8BqsKXF/aM2P37/TdoRQ9TDqYThI ipr0PqVVx+sjxKZ7SOtjdDvsU7VZIGd6VqojqUQhMX8xOJbOqL/vG2YLW0g/Iz6I1zxF1d KdKHV99vE+ub4QmxqkE6psbiZheBdPtFNg/FUPjJiF6X54acQafdhkEtSHohKA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781794658; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=EJLgvs9YmhyhkAJAwKsOzt2Pz4wbuMyi7DN4C1dMgJw=; b=j1B+zeA5Wyla2DaDwMdS5Y0O/i7KAB0wFnuaUM15nFLkByybCFuFYnMTFcKvara9aaAf2U BTDZ4Ow0GXtXuzMAf1U6fGPk1MMJyx2XtJsp6iAZ1PoKpYFb12qpzupZPVDS5oYGNmShLu Eynd8z2NZTHnlsMaK/+k65tYwsdYX4ftjEE6VBZkI0IRHYinDOZZqorFsTeH2YKPDBboiA exjyJd7FqHhEP8zSa+Ziae2B1+6ntw9bpTodLchM6R2cv/49GnM0r9IRbYkCV24Cq4W6s+ B/AanSnqpO+LdEQ73FSQirF+0ej3FFn8/zPQWdbqU2oGAfMqcOoS1XLVzrB9lQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4gh3jt48djz138R for ; Thu, 18 Jun 2026 14:57:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3f6d4 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 18 Jun 2026 14:57:38 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Andrew Turner Subject: git: a9e12d3ec8bd - main - arm64: Support building sys/sysl instructions List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: andrew X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: a9e12d3ec8bde29e97227757bc08cb1a0a93afa9 Auto-Submitted: auto-generated Date: Thu, 18 Jun 2026 14:57:38 +0000 Message-Id: <6a340762.3f6d4.3fa74943@gitrepo.freebsd.org> The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=a9e12d3ec8bde29e97227757bc08cb1a0a93afa9 commit a9e12d3ec8bde29e97227757bc08cb1a0a93afa9 Author: Andrew Turner AuthorDate: 2026-06-18 13:34:04 +0000 Commit: Andrew Turner CommitDate: 2026-06-18 14:56:52 +0000 arm64: Support building sys/sysl instructions Add support to build system instructions from a macro. These are based on the existing support for msr/mrs instructions with adjustments for the different instruction format. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D57017 --- sys/arm64/include/_armreg.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/sys/arm64/include/_armreg.h b/sys/arm64/include/_armreg.h index 0f5134e5a978..0ade9e6168c9 100644 --- a/sys/arm64/include/_armreg.h +++ b/sys/arm64/include/_armreg.h @@ -52,6 +52,34 @@ #define WRITE_SPECIALREG(reg, _val) \ __asm __volatile("msr " __STRING(reg) ", %0" : : "r"((uint64_t)_val)) + +#define __SYS_ALT_NAME(op1, crn, crm, op2) \ + "#" #op1 ", C" #crn ", C" #crm ", #" #op2 +#define _SYS_ALT_NAME(op1, crn, crm, op2) \ + __SYS_ALT_NAME(op1, crn, crm, op2) +#define SYS_ALT_NAME(insn) \ + _SYS_ALT_NAME(insn##_op1, insn##_CRn, insn##_CRm, insn##_op2) + +#define SYS(insn) do { \ + _Static_assert(insn##_op0 == 1, "Invalid SYS instruction"); \ + __asm __volatile("sys " SYS_ALT_NAME(insn)); \ +} while (0) + +#define SYS_ARG(insn, _val) do { \ + _Static_assert(insn##_op0 == 1, "Invalid SYS instruction"); \ + __asm __volatile("sys " SYS_ALT_NAME(insn) ", %0" \ + : : "r"((uint64_t)_val)); \ +} while (0) + +#define SYSL(insn) \ +({ \ + uint64_t _val; \ + _Static_assert(insn##_op0 == 1, "Invalid SYS instruction"); \ + __asm __volatile("sysl %0, " SYS_ALT_NAME(insn) \ + : "=&r"(_val)); \ + _val; \ +}) + #define UL(x) UINT64_C(x) #endif /* !_MACHINE__ARMREG_H_ */