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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71908fc8fdesm3833034b3a.1.2024.09.11.22.31.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 22:31:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1726119102; x=1726723902; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Z3t80eNs9kvylNawc0Wkcda6DFCgx+hJ52Hiw8JLovs=; b=ZOUVuU5/ZZBiJinRmKznjzWXAHDkIZye6KgiVsjLdztPPac+wyX/wFtvb36eKf1XP6 ZX8LwYeA4Ae1+A/sFB7yEKVxgzy06IC1lbH+VdDuiRw2kpKJFywLBWq3NUYbyeGHZi/4 QOrN1qw2WDTO73/iUwjdn7u7EiUL2pZpbpFD2aJZEid2JKVur87jTWgLZkCAclduRqUc BdhcC6XBReB4WDvxordBG4Erw9dYigG34rGZLLRyXkvGXRsUrM4QNWx+3Py6J34Tw3oD OXWnIeN5hlxXvbxGMoVh5txpnNzfv27SZOnq7IBknmBNf9jCZrkflP2QO7j1UgWfu4Tb pKLg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726119102; x=1726723902; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Z3t80eNs9kvylNawc0Wkcda6DFCgx+hJ52Hiw8JLovs=; b=a7wtYu5wB4DY1HR7ATF92KutKMaATIPUBzAiKw1Ya2b9xWcnmtFdeBvgKVQFYnf8Cb XVIZrimSXVp+WVhGIwviX+qhCqJBiuIha6cxTjrWu22IIdLoh9dSJc7q89PyHcgh57lP ScFzbEdLAQKGDsJNoVC55Z9RsK83ECQbpHNCOp6AWmR8rGX/Teb06qXATJlJi9mmBJpf vgBgglIjzKskDGd+yG/Voz8U6Cq6OQiZ4N9dPsMCxGOZRNvnWzFc/0WCNioAe9dR1Eeu VzV2FVnus2rmzYhKpbhmQE8hR0m9+5xj96IsCTka60Utkb1imqUxfG7kQBHPNBpZb6/U 6XpA== X-Gm-Message-State: AOJu0YzH3VPbrlLJIxFMU0mGiC76o+m04BgFdGJJxzZcAPRPBFmmB7Fh 5EnZ4j/ISIO3FEDDwnxtLwWkXE3bWLYikhAs1dwDGRjpbEEXC8lrG/5Mug== X-Google-Smtp-Source: AGHT+IFD2eOMSa4x5uX3ITCPQT15QXVoxW/oxrdnJ5YHgBfq55Pzq+1iw2SJDqRJQ6qBpBuy1Me4/A== X-Received: by 2002:a05:6a20:43a0:b0:1cf:38cf:df92 with SMTP id adf61e73a8af0-1cf76067aa4mr2244108637.30.1726119101624; Wed, 11 Sep 2024 22:31:41 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Mark Corbin , Ajeet Singh , Richard Henderson , Alistair Francis Subject: [PULL 32/47] bsd-user: Add RISC-V signal trampoline setup function Date: Thu, 12 Sep 2024 15:29:37 +1000 Message-ID: <20240912052953.2552501-33-alistair.francis@wdc.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240912052953.2552501-1-alistair.francis@wdc.com> References: <20240912052953.2552501-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::531; envelope-from=alistair23@gmail.com; helo=mail-pg1-x531.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1726119168672116600 Content-Type: text/plain; charset="utf-8" From: Mark Corbin Implemented the 'setup_sigtramp' function for setting up the signal trampoline code in the RISC-V architecture. Signed-off-by: Mark Corbin Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson Message-ID: <20240907031927.1908-8-itachis@FreeBSD.org> Signed-off-by: Alistair Francis --- bsd-user/riscv/target_arch_sigtramp.h | 42 +++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 bsd-user/riscv/target_arch_sigtramp.h diff --git a/bsd-user/riscv/target_arch_sigtramp.h b/bsd-user/riscv/target_= arch_sigtramp.h new file mode 100644 index 0000000000..83345f3961 --- /dev/null +++ b/bsd-user/riscv/target_arch_sigtramp.h @@ -0,0 +1,42 @@ +/* + * RISC-V sigcode + * + * Copyright (c) 2019 Mark Corbin + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#ifndef TARGET_ARCH_SIGTRAMP_H +#define TARGET_ARCH_SIGTRAMP_H + +/* Compare with sigcode() in riscv/riscv/locore.S */ +static inline abi_long setup_sigtramp(abi_ulong offset, unsigned sigf_uc, + unsigned sys_sigreturn) +{ + int i; + uint32_t sys_exit =3D TARGET_FREEBSD_NR_exit; + + static const uint32_t sigtramp_code[] =3D { + /*1*/ const_le32(0x00010513), /*mv a0, sp*/ + /*2*/ const_le32(0x00050513 + (sigf_uc << 20)), /*addi a0,a0,sigf= _uc*/ + /*3*/ const_le32(0x00000293 + (sys_sigreturn << 20)),/*li t0,sys_sigre= turn*/ + /*4*/ const_le32(0x00000073), /*ecall*/ + /*5*/ const_le32(0x00000293 + (sys_exit << 20)), /*li t0,sys_exit*/ + /*6*/ const_le32(0x00000073), /*ecall*/ + /*7*/ const_le32(0xFF1FF06F) /*b -16*/ + }; + + return memcpy_to_target(offset, sigtramp_code, TARGET_SZSIGCODE); +} +#endif /* TARGET_ARCH_SIGTRAMP_H */ --=20 2.46.0