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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20b37e60c76sm78324235ad.269.2024.10.01.22.52.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2024 22:52:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727848366; x=1728453166; 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=cg5V26fxSf+8PSayT4uCJqnh/iL9F8w1aRyk79raAGM=; b=MGIWNaKNaYabzuMzhL8oA8j0oR5yOgcjHcYbgpXL7VB+D8Btv7dEAQHYn1RyOPOtvI H6+Wt9LsbaqRzeqW7ihkBo4MturzeG9BO8QLQMfV3365BKUEud7UdIa6+gaOd1A5OgqK aC0qLNDUX3Pyd57k4Ahf0yALVt+3y8TPSljizO7JOwkpHi7hK6NhXEemOr9MSY2y2bGU wgJCjYx6Cd2m5+Z2GkrgzbWBL3+vxJxvaXuMxuMeISAOawYzkgJ4hADRAfgBS4/BfXk5 /bxxIAlYwMzIyAtxB6Oun/9CbNahPyK3fAu0oUjkH9VocyjI/oqt57tGe9zYqQWiGTJp 4//Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727848366; x=1728453166; 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=cg5V26fxSf+8PSayT4uCJqnh/iL9F8w1aRyk79raAGM=; b=ZsBu73yzkx9Odgn7ur1IKuXxHHXWi2LmNuxjJBzw+jYZWzOj/kTn6+Suxr43qcDoJh otlRJaVoxClTCqD9h7hpXhEF5Vtl8Axl/s+8igzxnu0FshFA8m3lZaDBJMzUolZu2AvX uyV9JpDHss79aJBhFI54oKplQJthPuUASwVbKpu/y1VHcjcy8pK5sz6gx9FEu2DLVcYY vI/ZYYAtITcP5g0oIwUmAyCL/jyOAzjSV7p2YFEAfhUJHRG9gQkzLaWcNk0Do95kxUau goRo9hhEoUIYos4D5O8FIny8kZkbxzOTfX0kx4uvzl8nyGp8vIeXOh8FLmdPDMvQ9b0o 5Yhw== X-Gm-Message-State: AOJu0YxzKvJp9zzg2lmoXCMcGn9fd3lerNNN6SMYn02OOL7HzlrDwBok 6bBry9JXDUoV19qbQm/xj8RQvbnFLA1VQr1qqa547sZKRdN1oRSgobA/XvHt X-Google-Smtp-Source: AGHT+IH2h8g6hLQOHGgDnULtaNyA1TBG3Pv69lJkRtlFxkLp/rPGwfRFTxnGdXmwoLPAeVKbjCloSg== X-Received: by 2002:a17:903:32c9:b0:20b:aebb:e17c with SMTP id d9443c01a7336-20bc5a52cc6mr28896835ad.36.1727848366152; Tue, 01 Oct 2024 22:52:46 -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 v3 34/35] bsd-user: Implement set_mcontext and get_ucontext_sigreturn for RISCV Date: Wed, 2 Oct 2024 15:50:47 +1000 Message-ID: <20241002055048.556083-35-alistair.francis@wdc.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241002055048.556083-1-alistair.francis@wdc.com> References: <20241002055048.556083-1-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::62a; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62a.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: 1727848402681116600 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: <20240916155119.14610-17-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 2.46.2