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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71908fc8fdesm3833034b3a.1.2024.09.11.22.32.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Sep 2024 22:32:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1726119133; x=1726723933; 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=8/idt6rpfEFMkn6tMIzI2R9hwW9xCaF2jjdNSxMJKJY=; b=IabP3aUirkMx/eqiTfkb3sY5Zw+9liPk2KO8Qz1OtLVehckTt7syYCjfoPM6rghCK7 6ROMk+bvH53jI9FkoLyxlOs1w3iUTuCRgTvLkNe07vZljObF0681ucNKzyRo7KSsa767 fLHE5yF5zkGHE0P7pNzjqXoAPqBoLQaK40LOShZyssq8UQ7e7a19DEWgmojVLOD4b9cJ aoC5R7U/cVyDP4CZN3sxSe3oJUlFOm50M0epmh8Tgse3CbsVj3UnC9HlK0NueaxfNRQT ZHRpsd6VRDmO7own92RWEL5SUJc7kbhi1XeBWDcEnUvYSmkk9PlCmL73bkXU4IfQxrLf XABw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726119133; x=1726723933; 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=8/idt6rpfEFMkn6tMIzI2R9hwW9xCaF2jjdNSxMJKJY=; b=Na/l5iEOp1d+TIo03iI2/GNKJWa2g7qiriKkyBRF0KpJ0r6jpWso7JEyJTXmCbHYw4 YurXGJYEIZQLA5uPkQKSI4fZSqGb/9I57vqtTLSHKYnbx2LmqWqRw3aRhD60KLUILWVH boGuJ3yeR0ETXab1Sn5I8fUAUC6NOefgddsMSEpaI3TeufpZEUpJpyytMEOqg0YmVgP4 kYVaFnRpFcc28+BNgzh+j7iFCbGZmzyodnQ5JJbiu0Ev7WXHOCcoUQVXG5WKUmYDtbTn N8ErvO2J0IqCOP4c1BP65zKEgU88j1m5eLpgoUh1h8MOhioH/Q6wuXRkSwEuUqqbTN0Z B14w== X-Gm-Message-State: AOJu0YyvBnrl/iJ34kSrOhnju5eI2xwuN+JaEfBG+9rv0QCueC1q/CBI ewiXQ/DhHAATphBaDIcQoOLewCe/UVesMdq3VsbAOuZV3lEI7xDfLJK2MA== X-Google-Smtp-Source: AGHT+IERbovb4KSavIPg1/NElBDZnMmD8Lhw7B+wUkVOy4ZmcC/MEV9digp73m/NozXLiQdZPQdNyA== X-Received: by 2002:aa7:9e05:0:b0:717:8d9f:2dbc with SMTP id d2e1a72fcca58-719261fb115mr2147810b3a.23.1726119132697; Wed, 11 Sep 2024 22:32:12 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Mark Corbin , Warner Losh , Ajeet Singh , Richard Henderson , Alistair Francis Subject: [PULL 41/47] bsd-user: Implement set_mcontext and get_ucontext_sigreturn for RISCV Date: Thu, 12 Sep 2024 15:29:46 +1000 Message-ID: <20240912052953.2552501-42-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::432; envelope-from=alistair23@gmail.com; helo=mail-pf1-x432.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: 1726119667487116600 Content-Type: text/plain; charset="utf-8" From: Mark Corbin Added implementations for 'set_mcontext' and 'get_ucontext_sigreturn' functions for RISC-V architecture, Both functions ensure that the CPU state and user context are properly managed. Signed-off-by: Mark Corbin Signed-off-by: Warner Losh Signed-off-by: Ajeet Singh Co-authored-by: Warner Losh Reviewed-by: Richard Henderson Message-ID: <20240907031927.1908-17-itachis@FreeBSD.org> Signed-off-by: Alistair Francis --- bsd-user/riscv/signal.c | 54 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/bsd-user/riscv/signal.c b/bsd-user/riscv/signal.c index 072ad821d2..10c940cd49 100644 --- a/bsd-user/riscv/signal.c +++ b/bsd-user/riscv/signal.c @@ -114,3 +114,57 @@ abi_long get_mcontext(CPURISCVState *regs, target_mcon= text_t *mcp, =20 return 0; } + +/* Compare with set_mcontext() in riscv/riscv/exec_machdep.c */ +abi_long set_mcontext(CPURISCVState *regs, target_mcontext_t *mcp, + int srflag) +{ + + regs->gpr[5] =3D tswap64(mcp->mc_gpregs.gp_t[0]); + regs->gpr[6] =3D tswap64(mcp->mc_gpregs.gp_t[1]); + regs->gpr[7] =3D tswap64(mcp->mc_gpregs.gp_t[2]); + regs->gpr[28] =3D tswap64(mcp->mc_gpregs.gp_t[3]); + regs->gpr[29] =3D tswap64(mcp->mc_gpregs.gp_t[4]); + regs->gpr[30] =3D tswap64(mcp->mc_gpregs.gp_t[5]); + regs->gpr[31] =3D tswap64(mcp->mc_gpregs.gp_t[6]); + + regs->gpr[8] =3D tswap64(mcp->mc_gpregs.gp_s[0]); + regs->gpr[9] =3D tswap64(mcp->mc_gpregs.gp_s[1]); + regs->gpr[18] =3D tswap64(mcp->mc_gpregs.gp_s[2]); + regs->gpr[19] =3D tswap64(mcp->mc_gpregs.gp_s[3]); + regs->gpr[20] =3D tswap64(mcp->mc_gpregs.gp_s[4]); + regs->gpr[21] =3D tswap64(mcp->mc_gpregs.gp_s[5]); + regs->gpr[22] =3D tswap64(mcp->mc_gpregs.gp_s[6]); + regs->gpr[23] =3D tswap64(mcp->mc_gpregs.gp_s[7]); + regs->gpr[24] =3D tswap64(mcp->mc_gpregs.gp_s[8]); + regs->gpr[25] =3D tswap64(mcp->mc_gpregs.gp_s[9]); + regs->gpr[26] =3D tswap64(mcp->mc_gpregs.gp_s[10]); + regs->gpr[27] =3D tswap64(mcp->mc_gpregs.gp_s[11]); + + regs->gpr[10] =3D tswap64(mcp->mc_gpregs.gp_a[0]); + regs->gpr[11] =3D tswap64(mcp->mc_gpregs.gp_a[1]); + regs->gpr[12] =3D tswap64(mcp->mc_gpregs.gp_a[2]); + regs->gpr[13] =3D tswap64(mcp->mc_gpregs.gp_a[3]); + regs->gpr[14] =3D tswap64(mcp->mc_gpregs.gp_a[4]); + regs->gpr[15] =3D tswap64(mcp->mc_gpregs.gp_a[5]); + regs->gpr[16] =3D tswap64(mcp->mc_gpregs.gp_a[6]); + regs->gpr[17] =3D tswap64(mcp->mc_gpregs.gp_a[7]); + + + regs->gpr[1] =3D tswap64(mcp->mc_gpregs.gp_ra); + regs->gpr[2] =3D tswap64(mcp->mc_gpregs.gp_sp); + regs->gpr[3] =3D tswap64(mcp->mc_gpregs.gp_gp); + regs->gpr[4] =3D tswap64(mcp->mc_gpregs.gp_tp); + regs->pc =3D tswap64(mcp->mc_gpregs.gp_sepc); + + return 0; +} + +/* Compare with sys_sigreturn() in riscv/riscv/machdep.c */ +abi_long get_ucontext_sigreturn(CPURISCVState *regs, + abi_ulong target_sf, abi_ulong *target_uc) +{ + + *target_uc =3D target_sf; + return 0; +} --=20 2.46.0