From patchwork Mon Jun 17 18:57:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948795 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=bV5RjFcq; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zhb259wz20KL for ; Tue, 18 Jun 2024 04:59:43 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sJHYh-0003yI-N3; 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Mon, 17 Jun 2024 11:58:22 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:22 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 01/23] Add CPU initialization function Date: Tue, 18 Jun 2024 00:27:42 +0530 Message-Id: <20240617185804.25075-2-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42d; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42d.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Addded function to initialize ARM CPU and to check if it supports 64 bit mode Signed-off-by: Ajeet Singh Signed-off-by: Stacey Son Reviewed-by: Richard Henderson Reviewed-by: Warner Losh --- bsd-user/aarch64/target_arch_cpu.h | 42 ++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_cpu.h diff --git a/bsd-user/aarch64/target_arch_cpu.h b/bsd-user/aarch64/target_arch_cpu.h new file mode 100644 index 0000000000..db5c7062b9 --- /dev/null +++ b/bsd-user/aarch64/target_arch_cpu.h @@ -0,0 +1,42 @@ +/* + * ARM AArch64 cpu init and loop + * + * Copyright (c) 2015 Stacey Son + * + * 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_CPU_H +#define TARGET_ARCH_CPU_H + +#include "target_arch.h" +#include "target/arm/syndrome.h" + +#define TARGET_DEFAULT_CPU_MODEL "any" + +static inline void target_cpu_init(CPUARMState *env, + struct target_pt_regs *regs) +{ + int i; + + if (!(arm_feature(env, ARM_FEATURE_AARCH64))) { + fprintf(stderr, "The selected ARM CPU does not support 64 bit mode\n"); + exit(1); + } + for (i = 0; i < 31; i++) { + env->xregs[i] = regs->regs[i]; + } + env->pc = regs->pc; + env->xregs[31] = regs->sp; +} From patchwork Mon Jun 17 18:57:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948801 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 17 Jun 2024 11:58:25 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:24 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh , Kyle Evans , Sean Bruno , Jessica Clarke Subject: [PATCH 02/23] Added CPU loop function Date: Tue, 18 Jun 2024 00:27:43 +0530 Message-Id: <20240617185804.25075-3-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son CPU loop function to handle exceptions and emulate execution of instructions Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Co-authored-by: Kyle Evans Co-authored-by: Sean Bruno Co-authored-by: Jessica Clarke --- bsd-user/aarch64/target_arch_cpu.h | 132 +++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) diff --git a/bsd-user/aarch64/target_arch_cpu.h b/bsd-user/aarch64/target_arch_cpu.h index db5c7062b9..1962d2c99b 100644 --- a/bsd-user/aarch64/target_arch_cpu.h +++ b/bsd-user/aarch64/target_arch_cpu.h @@ -40,3 +40,135 @@ static inline void target_cpu_init(CPUARMState *env, env->pc = regs->pc; env->xregs[31] = regs->sp; } + + +static inline void target_cpu_loop(CPUARMState *env) +{ + CPUState *cs = env_cpu(env); + int trapnr, ec, fsc, si_code, si_signo; + uint64_t code, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8; + uint32_t pstate; + abi_long ret; + + for (;;) { + cpu_exec_start(cs); + trapnr = cpu_exec(cs); + cpu_exec_end(cs); + process_queued_cpu_work(cs); + + switch (trapnr) { + case EXCP_SWI: + /* See arm64/arm64/trap.c cpu_fetch_syscall_args() */ + code = env->xregs[8]; + if (code == TARGET_FREEBSD_NR_syscall || + code == TARGET_FREEBSD_NR___syscall) { + code = env->xregs[0]; + arg1 = env->xregs[1]; + arg2 = env->xregs[2]; + arg3 = env->xregs[3]; + arg4 = env->xregs[4]; + arg5 = env->xregs[5]; + arg6 = env->xregs[6]; + arg7 = env->xregs[7]; + arg8 = 0; + } else { + arg1 = env->xregs[0]; + arg2 = env->xregs[1]; + arg3 = env->xregs[2]; + arg4 = env->xregs[3]; + arg5 = env->xregs[4]; + arg6 = env->xregs[5]; + arg7 = env->xregs[6]; + arg8 = env->xregs[7]; + } + ret = do_freebsd_syscall(env, code, arg1, arg2, arg3, + arg4, arg5, arg6, arg7, arg8); + /* + * The carry bit is cleared for no error; set for error. + * See arm64/arm64/vm_machdep.c cpu_set_syscall_retval() + */ + pstate = pstate_read(env); + if (ret >= 0) { + pstate &= ~PSTATE_C; + env->xregs[0] = ret; + } else if (ret == -TARGET_ERESTART) { + env->pc -= 4; + break; + } else if (ret != -TARGET_EJUSTRETURN) { + pstate |= PSTATE_C; + env->xregs[0] = -ret; + } + pstate_write(env, pstate); + break; + + case EXCP_INTERRUPT: + /* Just indicate that signals should be handle ASAP. */ + break; + + case EXCP_UDEF: + force_sig_fault(TARGET_SIGILL, TARGET_ILL_ILLOPN, env->pc); + break; + + + case EXCP_PREFETCH_ABORT: + case EXCP_DATA_ABORT: + /* We should only arrive here with EC in {DATAABORT, INSNABORT}. */ + ec = syn_get_ec(env->exception.syndrome); + assert(ec == EC_DATAABORT || ec == EC_INSNABORT); + + /* Both EC have the same format for FSC, or close enough. */ + fsc = extract32(env->exception.syndrome, 0, 6); + switch (fsc) { + case 0x04 ... 0x07: /* Translation fault, level {0-3} */ + si_signo = TARGET_SIGSEGV; + si_code = TARGET_SEGV_MAPERR; + break; + case 0x09 ... 0x0b: /* Access flag fault, level {1-3} */ + case 0x0d ... 0x0f: /* Permission fault, level {1-3} */ + si_signo = TARGET_SIGSEGV; + si_code = TARGET_SEGV_ACCERR; + break; + case 0x11: /* Synchronous Tag Check Fault */ + si_signo = TARGET_SIGSEGV; + si_code = /* TARGET_SEGV_MTESERR; */ TARGET_SEGV_ACCERR; + break; + case 0x21: /* Alignment fault */ + si_signo = TARGET_SIGBUS; + si_code = TARGET_BUS_ADRALN; + break; + default: + g_assert_not_reached(); + } + force_sig_fault(si_signo, si_code, env->exception.vaddress); + break; + + case EXCP_DEBUG: + case EXCP_BKPT: + force_sig_fault(TARGET_SIGTRAP, TARGET_TRAP_BRKPT, env->pc); + break; + + case EXCP_ATOMIC: + cpu_exec_step_atomic(cs); + break; + + case EXCP_YIELD: + /* nothing to do here for user-mode, just resume guest code */ + break; + default: + fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", + trapnr); + cpu_dump_state(cs, stderr, 0); + abort(); + } /* switch() */ + process_pending_signals(env); + /* + * Exception return on AArch64 always clears the exclusive + * monitor, so any return to running guest code implies this. + * A strex (successful or otherwise) also clears the monitor, so + * we don't need to specialcase EXCP_STREX. + */ + env->exclusive_addr = -1; + } /* for (;;) */ +} + +#endif /* TARGET_ARCH_CPU_H */ From patchwork Mon Jun 17 18:57:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948811 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=jTxHPqyQ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; 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envelope-from=itachis6234@gmail.com; helo=mail-pf1-x434.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Function can copy cpu state to create new thread Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/aarch64/target_arch_cpu.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/bsd-user/aarch64/target_arch_cpu.h b/bsd-user/aarch64/target_arch_cpu.h index 1962d2c99b..4e950305d3 100644 --- a/bsd-user/aarch64/target_arch_cpu.h +++ b/bsd-user/aarch64/target_arch_cpu.h @@ -171,4 +171,21 @@ static inline void target_cpu_loop(CPUARMState *env) } /* for (;;) */ } + +/* See arm64/arm64/vm_machdep.c cpu_fork() */ +static inline void target_cpu_clone_regs(CPUARMState *env, target_ulong newsp) +{ + if (newsp) { + env->xregs[31] = newsp; + } + env->regs[0] = 0; + env->regs[1] = 0; + pstate_write(env, 0); +} + +static inline void target_cpu_reset(CPUArchState *env) +{ +} + + #endif /* TARGET_ARCH_CPU_H */ From patchwork Mon Jun 17 18:57:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948791 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=A8p3KcKi; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zhG4Q0Tz20KL for ; 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Mon, 17 Jun 2024 11:58:29 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:29 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 04/23] AArch64 specific CPU for bsd-user Date: Tue, 18 Jun 2024 00:27:45 +0530 Message-Id: <20240617185804.25075-5-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x430.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Function to set and recieve thread-local-storage value from tpidr_el0 register Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/aarch64/target_arch_cpu.c | 34 ++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_cpu.c diff --git a/bsd-user/aarch64/target_arch_cpu.c b/bsd-user/aarch64/target_arch_cpu.c new file mode 100644 index 0000000000..70ef651827 --- /dev/null +++ b/bsd-user/aarch64/target_arch_cpu.c @@ -0,0 +1,34 @@ +/* + * ARM AArch64 specific CPU for bsd-user + * + * Copyright (c) 2015 Stacey Son + * + * 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 . + */ +#include "qemu/osdep.h" + +#include "target_arch.h" + +/* See cpu_set_user_tls() in arm64/arm64/vm_machdep.c */ +void target_cpu_set_tls(CPUARMState *env, target_ulong newtls) +{ + + env->cp15.tpidr_el[0] = newtls; +} + +target_ulong target_cpu_get_tls(CPUARMState *env) +{ + + return env->cp15.tpidr_el[0]; +} From patchwork Mon Jun 17 18:57:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948792 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=D2VvmA/H; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; 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Mon, 17 Jun 2024 11:58:31 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh , Sean Bruno Subject: [PATCH 05/23] Managing CPU register for BSD-USER Date: Tue, 18 Jun 2024 00:27:46 +0530 Message-Id: <20240617185804.25075-6-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42a; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42a.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Added structure for storing register states Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Co-authored-by: Sean Bruno Acked-by: Richard Henderson --- bsd-user/aarch64/target_syscall.h | 51 +++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 bsd-user/aarch64/target_syscall.h diff --git a/bsd-user/aarch64/target_syscall.h b/bsd-user/aarch64/target_syscall.h new file mode 100644 index 0000000000..08ae913c42 --- /dev/null +++ b/bsd-user/aarch64/target_syscall.h @@ -0,0 +1,51 @@ +/* + * ARM AArch64 specific CPU for bsd-user + * + * Copyright (c) 2015 Stacey D. Son + * + * 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 BSD_USER_AARCH64_TARGET_SYSCALL_H +#define BSD_USER_AARCH64_TARGET_SYSCALL_H + +/* + * The aarch64 registers are named: + * + * x0 through x30 - for 64-bit-wide access (same registers) + * Register '31' is one of two registers depending on the instruction context: + * For instructions dealing with the stack, it is the stack pointer, named rsp + * For all other instructions, it is a "zero" register, which returns 0 when + * read and discards data when written - named rzr (xzr, wzr) + * + * Usage during syscall/function call: + * r0-r7 are used for arguments and return values + * For syscalls, the syscall number is in r8 + * r9-r15 are for temporary values (may get trampled) + * r16-r18 are used for intra-procedure-call and platform values (avoid) + * The called routine is expected to preserve r19-r28 + * r29 and r30 are used as the frame register and link register (avoid) + * See the ARM Procedure Call Reference for details. + */ +struct target_pt_regs { + uint64_t regs[31]; + uint64_t sp; + uint64_t pc; + uint64_t pstate; +}; + +#define TARGET_HW_MACHINE "arm64" +#define TARGET_HW_MACHINE_ARCH "aarch64" + +#endif /* BSD_USER_AARCH64_TARGET_SYSCALL_H */ From patchwork Mon Jun 17 18:57:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948783 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=PnZiXsaa; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zgk0ZPvz20KL for ; 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Mon, 17 Jun 2024 11:58:33 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:33 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 06/23] Add Aarch64 register handling Date: Tue, 18 Jun 2024 00:27:47 +0530 Message-Id: <20240617185804.25075-7-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42c; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Header file for managing CPU register states in FreeBSD user mode Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh --- bsd-user/aarch64/target_arch_reg.h | 56 ++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_reg.h diff --git a/bsd-user/aarch64/target_arch_reg.h b/bsd-user/aarch64/target_arch_reg.h new file mode 100644 index 0000000000..5c7154f0c1 --- /dev/null +++ b/bsd-user/aarch64/target_arch_reg.h @@ -0,0 +1,56 @@ +/* + * FreeBSD arm64 register structures + * + * Copyright (c) 2015 Stacey Son + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#ifndef TARGET_ARCH_REG_H +#define TARGET_ARCH_REG_H + +/* See sys/arm64/include/reg.h */ +typedef struct target_reg { + uint64_t x[30]; + uint64_t lr; + uint64_t sp; + uint64_t elr; + uint64_t spsr; +} target_reg_t; + +typedef struct target_fpreg { + __uint128_t fp_q[32]; + uint32_t fp_sr; + uint32_t fp_cr; +} target_fpreg_t; + +#define tswapreg(ptr) tswapal(ptr) + +static inline void target_copy_regs(target_reg_t *regs, CPUARMState *env) +{ + int i; + + for (i = 0; i < 30; i++) { + regs->x[i] = tswapreg(env->xregs[i]); + } + regs->lr = tswapreg(env->xregs[30]); + regs->sp = tswapreg(env->xregs[31]); + regs->elr = tswapreg(env->pc); + regs->spsr = tswapreg(pstate_read(env)); +} + +#undef tswapreg + +#endif /* TARGET_ARCH_REG_H */ From patchwork Mon Jun 17 18:57:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948807 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 17 Jun 2024 11:58:35 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:35 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 07/23] Add ARM AArch64 TLS Management Prototypes for BSD-User Date: Tue, 18 Jun 2024 00:27:48 +0530 Message-Id: <20240617185804.25075-8-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Prototypes for setting and getting TLS( thread local storage) Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Acked-by: Richard Henderson --- bsd-user/aarch64/target_arch.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 bsd-user/aarch64/target_arch.h diff --git a/bsd-user/aarch64/target_arch.h b/bsd-user/aarch64/target_arch.h new file mode 100644 index 0000000000..27f47de8eb --- /dev/null +++ b/bsd-user/aarch64/target_arch.h @@ -0,0 +1,28 @@ +/* + * ARM AArch64 specific prototypes for bsd-user + * + * Copyright (c) 2015 Stacey D. Son + * + * 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_H +#define TARGET_ARCH_H + +#include "qemu.h" + +void target_cpu_set_tls(CPUARMState *env, target_ulong newtls); +target_ulong target_cpu_get_tls(CPUARMState *env); + +#endif /* TARGET_ARCH_H */ From patchwork Mon Jun 17 18:57:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948813 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=jU9HNdRQ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; 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Mon, 17 Jun 2024 11:58:37 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 08/23] Add Aarch64 sysarch() system call emulation for BSD-USER Date: Tue, 18 Jun 2024 00:27:49 +0530 Message-Id: <20240617185804.25075-9-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Initial implementation of sysarch() syscall and a printing function Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/aarch64/target_arch_sysarch.h | 42 ++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_sysarch.h diff --git a/bsd-user/aarch64/target_arch_sysarch.h b/bsd-user/aarch64/target_arch_sysarch.h new file mode 100644 index 0000000000..b003015daf --- /dev/null +++ b/bsd-user/aarch64/target_arch_sysarch.h @@ -0,0 +1,42 @@ +/* + * ARM AArch64 sysarch() system call emulation for bsd-user. + * + * Copyright (c) 2015 + * + * 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_SYSARCH_H +#define TARGET_ARCH_SYSARCH_H + +#include "target_syscall.h" +#include "target_arch.h" + +/* See sysarch() in sys/arm64/arm64/sys_machdep.c */ +static inline abi_long do_freebsd_arch_sysarch(CPUARMState *env, int op, + abi_ulong parms) +{ + int ret = -TARGET_EOPNOTSUPP; + + fprintf(stderr, "sysarch"); + return ret; +} + +static inline void do_freebsd_arch_print_sysarch( + const struct syscallname *name, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6) +{ +} + +#endif /* TARGET_ARCH_SYSARCH_H */ From patchwork Mon Jun 17 18:57:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948814 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 17 Jun 2024 11:58:40 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:39 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh , Jessica Clarke Subject: [PATCH 09/23] Add thread setup for BSD-USER Date: Tue, 18 Jun 2024 00:27:50 +0530 Message-Id: <20240617185804.25075-10-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::431; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x431.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Function for setting up thread upcall which will add thread support to BSD-User Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Co-authored-by: Jessica Clarke --- bsd-user/aarch64/target_arch_thread.h | 45 +++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_thread.h diff --git a/bsd-user/aarch64/target_arch_thread.h b/bsd-user/aarch64/target_arch_thread.h new file mode 100644 index 0000000000..d2f2dea7ce --- /dev/null +++ b/bsd-user/aarch64/target_arch_thread.h @@ -0,0 +1,45 @@ +/* + * ARM AArch64 thread support for bsd-user. + * + * Copyright (c) 2015 Stacey D. Son + * + * 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_THREAD_H +#define TARGET_ARCH_THREAD_H + +/* Compare to arm64/arm64/vm_machdep.c cpu_set_upcall_kse() */ +static inline void target_thread_set_upcall(CPUARMState *regs, abi_ulong entry, + abi_ulong arg, abi_ulong stack_base, abi_ulong stack_size) +{ + abi_ulong sp; + + /* + * Make sure the stack is properly aligned. + * arm64/include/param.h (STACKLIGN() macro) + */ + sp = (abi_ulong)(stack_base + stack_size) & ~(16 - 1); + + /* sp = stack base */ + regs->xregs[31] = sp; + /* pc = start function entry */ + regs->pc = entry; + /* r0 = arg */ + regs->xregs[0] = arg; + + pstate_write(regs, PSTATE_MODE_EL0t); +} + +#endif /* TARGET_ARCH_THREAD_H */ From patchwork Mon Jun 17 18:57:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948812 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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} +static inline void target_thread_init(struct target_pt_regs *regs, + struct image_info *infop) +{ + abi_long stack = infop->start_stack; + + /* + * Make sure the stack is properly aligned. + * arm64/include/param.h (STACKLIGN() macro) + */ + + memset(regs, 0, sizeof(*regs)); + regs->regs[0] = infop->start_stack; + regs->pc = infop->entry; + regs->sp = stack & ~(16 - 1); +} + #endif /* TARGET_ARCH_THREAD_H */ From patchwork Mon Jun 17 18:57:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948793 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=m3KXzpR1; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; 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Mon, 17 Jun 2024 11:58:44 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh , Sean Bruno Subject: [PATCH 11/23] Update ARM AArch64 VM parameter definitions for bsd-user Date: Tue, 18 Jun 2024 00:27:52 +0530 Message-Id: <20240617185804.25075-12-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42b; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42b.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Defined address spaces for FreeBSD/arm64 and added function for getting stack pointer from CPU and setting a return value. Signed-off-by: Stacey Son Signed-off-by: Warner Losh Signed-off-by: Ajeet Singh Co-authored-by: Sean Bruno Co-authored-by: Warner Losh Acked-by: Richard Henderson --- bsd-user/aarch64/target_arch_vmparam.h | 68 ++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_vmparam.h diff --git a/bsd-user/aarch64/target_arch_vmparam.h b/bsd-user/aarch64/target_arch_vmparam.h new file mode 100644 index 0000000000..dc66e1289b --- /dev/null +++ b/bsd-user/aarch64/target_arch_vmparam.h @@ -0,0 +1,68 @@ +/* + * ARM AArch64 VM parameters definitions for bsd-user. + * + * Copyright (c) 2015 Stacey D. Son + * + * 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_VMPARAM_H +#define TARGET_ARCH_VMPARAM_H + +#include "cpu.h" + +/** + * FreeBSD/arm64 Address space layout. + * + * ARMv8 implements up to a 48 bit virtual address space. The address space is + * split into 2 regions at each end of the 64 bit address space, with an + * out of range "hole" in the middle. + * + * We limit the size of the two spaces to 39 bits each. + * + * Upper region: 0xffffffffffffffff + * 0xffffff8000000000 + * + * Hole: 0xffffff7fffffffff + * 0x0000008000000000 + * + * Lower region: 0x0000007fffffffff + * 0x0000000000000000 + * + * The upper region for the kernel, and the lower region for userland. + */ + + +/* compare to sys/arm64/include/vmparam.h */ +#define TARGET_MAXTSIZ (1 * GiB) /* max text size */ +#define TARGET_DFLDSIZ (128 * MiB) /* initial data size limit */ +#define TARGET_MAXDSIZ (1 * GiB) /* max data size */ +#define TARGET_DFLSSIZ (128 * MiB) /* initial stack size limit */ +#define TARGET_MAXSSIZ (1 * GiB) /* max stack size */ +#define TARGET_SGROWSIZ (128 * KiB) /* amount to grow stack */ + + /* KERNBASE - 512 MB */ +#define TARGET_VM_MAXUSER_ADDRESS (0x00007fffff000000ULL - (512 * MiB)) +#define TARGET_USRSTACK TARGET_VM_MAXUSER_ADDRESS + +static inline abi_ulong get_sp_from_cpustate(CPUARMState *state) +{ + return state->xregs[31]; /* sp */ +} + +static inline void set_second_rval(CPUARMState *state, abi_ulong retval2) +{ + state->xregs[1] = retval2; /* XXX not really used on 64-bit arch */ +} +#endif /* TARGET_ARCH_VMPARAM_H */ From patchwork Mon Jun 17 18:57:53 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948815 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=Vd8txHPT; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zmh28f8z20Wb for ; 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/* XXX not really used on 64-bit arch */ } + +static inline abi_ulong get_second_rval(CPUARMState *state) +{ + return state->xregs[1]; +} + #endif /* TARGET_ARCH_VMPARAM_H */ From patchwork Mon Jun 17 18:57:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948789 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=EAhUfXnR; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zhC3W7yz20KL for ; 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Son + * + * 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_ELF_H +#define TARGET_ARCH_ELF_H + +#include "target/arm/cpu-features.h" + +#define ELF_START_MMAP 0x80000000 +#define ELF_ET_DYN_LOAD_ADDR 0x100000 + +#define elf_check_arch(x) ((x) == EM_AARCH64) + +#define ELF_CLASS ELFCLASS64 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_AARCH64 + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#endif /* TARGET_ARCH_ELF_H */ From patchwork Mon Jun 17 18:57:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948798 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=AJPnA2Ho; 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Mon, 17 Jun 2024 11:58:50 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Ajeet Singh Subject: [PATCH 14/23] Add ARM AArch64 hardware capability definitions Date: Tue, 18 Jun 2024 00:27:55 +0530 Message-Id: <20240617185804.25075-15-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42d; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42d.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01, UPPERCASE_50_75=0.008 autolearn=no 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Warner Losh Defined a huge list of hardware capabilites and added macros for retrieving hwcap flags Signed-off-by: Warner Losh Signed-off-by: Ajeet Singh Acked-by: Richard Henderson --- bsd-user/aarch64/target_arch_elf.h | 61 ++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/bsd-user/aarch64/target_arch_elf.h b/bsd-user/aarch64/target_arch_elf.h index 6d0fa3525f..41afa5a9da 100644 --- a/bsd-user/aarch64/target_arch_elf.h +++ b/bsd-user/aarch64/target_arch_elf.h @@ -34,4 +34,65 @@ #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 +enum { + ARM_HWCAP_A64_FP = 1 << 0, + ARM_HWCAP_A64_ASIMD = 1 << 1, + ARM_HWCAP_A64_EVTSTRM = 1 << 2, + ARM_HWCAP_A64_AES = 1 << 3, + ARM_HWCAP_A64_PMULL = 1 << 4, + ARM_HWCAP_A64_SHA1 = 1 << 5, + ARM_HWCAP_A64_SHA2 = 1 << 6, + ARM_HWCAP_A64_CRC32 = 1 << 7, + ARM_HWCAP_A64_ATOMICS = 1 << 8, + ARM_HWCAP_A64_FPHP = 1 << 9, + ARM_HWCAP_A64_ASIMDHP = 1 << 10, + ARM_HWCAP_A64_CPUID = 1 << 11, + ARM_HWCAP_A64_ASIMDRDM = 1 << 12, + ARM_HWCAP_A64_JSCVT = 1 << 13, + ARM_HWCAP_A64_FCMA = 1 << 14, + ARM_HWCAP_A64_LRCPC = 1 << 15, + ARM_HWCAP_A64_DCPOP = 1 << 16, + ARM_HWCAP_A64_SHA3 = 1 << 17, + ARM_HWCAP_A64_SM3 = 1 << 18, + ARM_HWCAP_A64_SM4 = 1 << 19, + ARM_HWCAP_A64_ASIMDDP = 1 << 20, + ARM_HWCAP_A64_SHA512 = 1 << 21, + ARM_HWCAP_A64_SVE = 1 << 22, + ARM_HWCAP_A64_ASIMDFHM = 1 << 23, + ARM_HWCAP_A64_DIT = 1 << 24, + ARM_HWCAP_A64_USCAT = 1 << 25, + ARM_HWCAP_A64_ILRCPC = 1 << 26, + ARM_HWCAP_A64_FLAGM = 1 << 27, + ARM_HWCAP_A64_SSBS = 1 << 28, + ARM_HWCAP_A64_SB = 1 << 29, + ARM_HWCAP_A64_PACA = 1 << 30, + ARM_HWCAP_A64_PACG = 1UL << 31, + + ARM_HWCAP2_A64_DCPODP = 1 << 0, + ARM_HWCAP2_A64_SVE2 = 1 << 1, + ARM_HWCAP2_A64_SVEAES = 1 << 2, + ARM_HWCAP2_A64_SVEPMULL = 1 << 3, + ARM_HWCAP2_A64_SVEBITPERM = 1 << 4, + ARM_HWCAP2_A64_SVESHA3 = 1 << 5, + ARM_HWCAP2_A64_SVESM4 = 1 << 6, + ARM_HWCAP2_A64_FLAGM2 = 1 << 7, + ARM_HWCAP2_A64_FRINT = 1 << 8, + ARM_HWCAP2_A64_SVEI8MM = 1 << 9, + ARM_HWCAP2_A64_SVEF32MM = 1 << 10, + ARM_HWCAP2_A64_SVEF64MM = 1 << 11, + ARM_HWCAP2_A64_SVEBF16 = 1 << 12, + ARM_HWCAP2_A64_I8MM = 1 << 13, + ARM_HWCAP2_A64_BF16 = 1 << 14, + ARM_HWCAP2_A64_DGH = 1 << 15, + ARM_HWCAP2_A64_RNG = 1 << 16, + ARM_HWCAP2_A64_BTI = 1 << 17, + ARM_HWCAP2_A64_MTE = 1 << 18, +}; + +#define ELF_HWCAP get_elf_hwcap() +#define ELF_HWCAP2 get_elf_hwcap2() + +#define GET_FEATURE_ID(feat, hwcap) \ + do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) + #endif /* TARGET_ARCH_ELF_H */ From patchwork Mon Jun 17 18:57:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948794 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=PDDj6pE0; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zhW5mB4z20KL for ; 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Mon, 17 Jun 2024 11:58:52 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:52 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Ajeet Singh Subject: [PATCH 15/23] Add function to retrieve ARM AArch64 hardware capabilities Date: Tue, 18 Jun 2024 00:27:56 +0530 Message-Id: <20240617185804.25075-16-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x436.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Warner Losh The function initializes default hardware capabilities and finds additional features using the `GET_FEATURE_ID` macro Signed-off-by: Warner Losh Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/aarch64/target_arch_elf.h | 38 ++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/bsd-user/aarch64/target_arch_elf.h b/bsd-user/aarch64/target_arch_elf.h index 41afa5a9da..ed2419408e 100644 --- a/bsd-user/aarch64/target_arch_elf.h +++ b/bsd-user/aarch64/target_arch_elf.h @@ -95,4 +95,42 @@ enum { #define GET_FEATURE_ID(feat, hwcap) \ do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) +static uint32_t get_elf_hwcap(void) +{ + ARMCPU *cpu = ARM_CPU(thread_cpu); + uint32_t hwcaps = 0; + + hwcaps |= ARM_HWCAP_A64_FP; + hwcaps |= ARM_HWCAP_A64_ASIMD; + hwcaps |= ARM_HWCAP_A64_CPUID; + + /* probe for the extra features */ + + GET_FEATURE_ID(aa64_aes, ARM_HWCAP_A64_AES); + GET_FEATURE_ID(aa64_pmull, ARM_HWCAP_A64_PMULL); + GET_FEATURE_ID(aa64_sha1, ARM_HWCAP_A64_SHA1); + GET_FEATURE_ID(aa64_sha256, ARM_HWCAP_A64_SHA2); + GET_FEATURE_ID(aa64_sha512, ARM_HWCAP_A64_SHA512); + GET_FEATURE_ID(aa64_crc32, ARM_HWCAP_A64_CRC32); + GET_FEATURE_ID(aa64_sha3, ARM_HWCAP_A64_SHA3); + GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3); + GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4); + GET_FEATURE_ID(aa64_fp16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); + GET_FEATURE_ID(aa64_atomics, ARM_HWCAP_A64_ATOMICS); + GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM); + GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP); + GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA); + GET_FEATURE_ID(aa64_sve, ARM_HWCAP_A64_SVE); + GET_FEATURE_ID(aa64_pauth, ARM_HWCAP_A64_PACA | ARM_HWCAP_A64_PACG); + GET_FEATURE_ID(aa64_fhm, ARM_HWCAP_A64_ASIMDFHM); + GET_FEATURE_ID(aa64_jscvt, ARM_HWCAP_A64_JSCVT); + GET_FEATURE_ID(aa64_sb, ARM_HWCAP_A64_SB); + GET_FEATURE_ID(aa64_condm_4, ARM_HWCAP_A64_FLAGM); + GET_FEATURE_ID(aa64_dcpop, ARM_HWCAP_A64_DCPOP); + GET_FEATURE_ID(aa64_rcpc_8_3, ARM_HWCAP_A64_LRCPC); + GET_FEATURE_ID(aa64_rcpc_8_4, ARM_HWCAP_A64_ILRCPC); + + return hwcaps; +} + #endif /* TARGET_ARCH_ELF_H */ From patchwork Mon Jun 17 18:57:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948806 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=i/FIa7h0; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; 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Mon, 17 Jun 2024 11:58:54 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Ajeet Singh Subject: [PATCH 16/23] Add function to retrieve additional ARM AArch64 hwcap Date: Tue, 18 Jun 2024 00:27:57 +0530 Message-Id: <20240617185804.25075-17-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::433; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Warner Losh Function to retrieve the extended hardware capability flags Signed-off-by: Warner Losh Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/aarch64/target_arch_elf.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/bsd-user/aarch64/target_arch_elf.h b/bsd-user/aarch64/target_arch_elf.h index ed2419408e..7202cd8334 100644 --- a/bsd-user/aarch64/target_arch_elf.h +++ b/bsd-user/aarch64/target_arch_elf.h @@ -133,4 +133,33 @@ static uint32_t get_elf_hwcap(void) return hwcaps; } +static uint32_t get_elf_hwcap2(void) +{ + ARMCPU *cpu = ARM_CPU(thread_cpu); + uint32_t hwcaps = 0; + + GET_FEATURE_ID(aa64_dcpodp, ARM_HWCAP2_A64_DCPODP); + GET_FEATURE_ID(aa64_sve2, ARM_HWCAP2_A64_SVE2); + GET_FEATURE_ID(aa64_sve2_aes, ARM_HWCAP2_A64_SVEAES); + GET_FEATURE_ID(aa64_sve2_pmull128, ARM_HWCAP2_A64_SVEPMULL); + GET_FEATURE_ID(aa64_sve2_bitperm, ARM_HWCAP2_A64_SVEBITPERM); + GET_FEATURE_ID(aa64_sve2_sha3, ARM_HWCAP2_A64_SVESHA3); + GET_FEATURE_ID(aa64_sve2_sm4, ARM_HWCAP2_A64_SVESM4); + GET_FEATURE_ID(aa64_condm_5, ARM_HWCAP2_A64_FLAGM2); + GET_FEATURE_ID(aa64_frint, ARM_HWCAP2_A64_FRINT); + GET_FEATURE_ID(aa64_sve_i8mm, ARM_HWCAP2_A64_SVEI8MM); + GET_FEATURE_ID(aa64_sve_f32mm, ARM_HWCAP2_A64_SVEF32MM); + GET_FEATURE_ID(aa64_sve_f64mm, ARM_HWCAP2_A64_SVEF64MM); + GET_FEATURE_ID(aa64_sve_bf16, ARM_HWCAP2_A64_SVEBF16); + GET_FEATURE_ID(aa64_i8mm, ARM_HWCAP2_A64_I8MM); + GET_FEATURE_ID(aa64_bf16, ARM_HWCAP2_A64_BF16); + GET_FEATURE_ID(aa64_rndr, ARM_HWCAP2_A64_RNG); + GET_FEATURE_ID(aa64_bti, ARM_HWCAP2_A64_BTI); + GET_FEATURE_ID(aa64_mte, ARM_HWCAP2_A64_MTE); + + return hwcaps; +} + +#undef GET_FEATURE_ID + #endif /* TARGET_ARCH_ELF_H */ From patchwork Mon Jun 17 18:57:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948790 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=cTp8Btfb; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zhC5Tr4z20XJ for ; 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Mon, 17 Jun 2024 11:58:56 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:56 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 17/23] Add ARM AArch64 sigcode setup function for bsd-user Date: Tue, 18 Jun 2024 00:27:58 +0530 Message-Id: <20240617185804.25075-18-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x436.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son signal trampoline function initializes a sequence of instructions to handle signal returns and exits, and copies this code to the target offset. Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh --- bsd-user/aarch64/target_arch_sigtramp.h | 48 +++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_sigtramp.h diff --git a/bsd-user/aarch64/target_arch_sigtramp.h b/bsd-user/aarch64/target_arch_sigtramp.h new file mode 100644 index 0000000000..8cdd33b621 --- /dev/null +++ b/bsd-user/aarch64/target_arch_sigtramp.h @@ -0,0 +1,48 @@ +/* + * ARM AArch64 sigcode for bsd-user + * + * Copyright (c) 2015 Stacey D. Son + * + * 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 to ENTRY(sigcode) in arm64/arm64/locore.S */ +static inline abi_long setup_sigtramp(abi_ulong offset, unsigned sigf_uc, + unsigned sys_sigreturn) +{ + int i; + uint32_t sys_exit = TARGET_FREEBSD_NR_exit; + + uint32_t sigtramp_code[] = { + /* 1 */ 0x910003e0, /* mov x0, sp */ + /* 2 */ 0x91000000 + (sigf_uc << 10), /* add x0, x0, #SIGF_UC */ + /* 3 */ 0xd2800000 + (sys_sigreturn << 5) + 0x8, /* mov x8, #SYS_sigreturn */ + /* 4 */ 0xd4000001, /* svc #0 */ + /* 5 */ 0xd2800028 + (sys_exit << 5) + 0x8, /* mov x8, #SYS_exit */ + /* 6 */ 0xd4000001, /* svc #0 */ + /* 7 */ 0x17fffffc, /* b -4 */ + /* 8 */ sys_sigreturn, + /* 9 */ sys_exit + }; + + for (i = 0; i < 9; i++) { + tswap32s(&sigtramp_code[i]); + } + + return memcpy_to_target(offset, sigtramp_code, TARGET_SZSIGCODE); +} +#endif /* TARGET_ARCH_SIGTRAMP_H */ From patchwork Mon Jun 17 18:57:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948809 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=cC7AVQI9; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zmB0vkkz20Wb for ; 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Mon, 17 Jun 2024 11:58:58 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:58:58 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 18/23] Add ARM AArch64 specific signal definitions for bsd-user Date: Tue, 18 Jun 2024 00:27:59 +0530 Message-Id: <20240617185804.25075-19-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42f.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Defined register indices and sizes,introduced structures to represent general purpose registers, floating point registers, and machine context Signed-off-by: Stacey Son Signed-off-by: Warner Losh Signed-off-by: Ajeet Singh Co-authored-by: Warner Losh --- bsd-user/aarch64/target_arch_signal.h | 80 +++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_signal.h diff --git a/bsd-user/aarch64/target_arch_signal.h b/bsd-user/aarch64/target_arch_signal.h new file mode 100644 index 0000000000..df17173316 --- /dev/null +++ b/bsd-user/aarch64/target_arch_signal.h @@ -0,0 +1,80 @@ +/* + * ARM AArch64 specific signal definitions for bsd-user + * + * Copyright (c) 2015 Stacey D. Son + * + * 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_SIGNAL_H +#define TARGET_ARCH_SIGNAL_H + +#include "cpu.h" + +#define TARGET_REG_X0 0 +#define TARGET_REG_X30 30 +#define TARGET_REG_X31 31 +#define TARGET_REG_LR TARGET_REG_X30 +#define TARGET_REG_SP TARGET_REG_X31 + +#define TARGET_INSN_SIZE 4 /* arm64 instruction size */ + +/* Size of the signal trampolin code. See _sigtramp(). */ +#define TARGET_SZSIGCODE ((abi_ulong)(9 * TARGET_INSN_SIZE)) + +/* compare to sys/arm64/include/_limits.h */ +#define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size */ +#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size */ + +/* struct __mcontext in sys/arm64/include/ucontext.h */ + +struct target_gpregs { + uint64_t gp_x[30]; + uint64_t gp_lr; + uint64_t gp_sp; + uint64_t gp_elr; + uint32_t gp_spsr; + uint32_t gp_pad; +}; + +struct target_fpregs { + __uint128_t fp_q[32]; + uint32_t fp_sr; + uint32_t fp_cr; + uint32_t fp_flags; + uint32_t fp_pad; +}; + +struct target__mcontext { + struct target_gpregs mc_gpregs; + struct target_fpregs mc_fpregs; + uint32_t mc_flags; +#define TARGET_MC_FP_VALID 0x1 + uint32_t mc_pad; + uint64_t mc_spare[8]; +}; + +typedef struct target__mcontext target_mcontext_t; + +#define TARGET_MCONTEXT_SIZE 880 +#define TARGET_UCONTEXT_SIZE 960 + +#include "target_os_ucontext.h" + +struct target_sigframe { + target_siginfo_t sf_si; /* saved siginfo */ + target_ucontext_t sf_uc; /* saved ucontext */ +}; + +#endif /* TARGET_ARCH_SIGNAL_H */ From patchwork Mon Jun 17 18:58:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948810 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=cOJVpLSf; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zmD3DM8z20Wb for ; 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Mon, 17 Jun 2024 11:59:00 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.58.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:59:00 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 19/23] Add ARM AArch64 signal trampoline argument setup for bsd-user Date: Tue, 18 Jun 2024 00:28:00 +0530 Message-Id: <20240617185804.25075-20-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son function to set up signal handler arguments it populates register values in `CPUARMState` based on the provided signal, signal frame, signal action, and frame address Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/aarch64/signal.c | 53 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 bsd-user/aarch64/signal.c diff --git a/bsd-user/aarch64/signal.c b/bsd-user/aarch64/signal.c new file mode 100644 index 0000000000..98861f9ab3 --- /dev/null +++ b/bsd-user/aarch64/signal.c @@ -0,0 +1,53 @@ +/* + * ARM AArch64 specific signal definitions for bsd-user + * + * Copyright (c) 2015 Stacey D. Son + * + * 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 . + */ +#include "qemu/osdep.h" + +#include "qemu.h" + +/* + * Compare to sendsig() in sys/arm64/arm64/machdep.c + * Assumes that target stack frame memory is locked. + */ +abi_long set_sigtramp_args(CPUARMState *regs, int sig, + struct target_sigframe *frame, + abi_ulong frame_addr, + struct target_sigaction *ka) +{ + /* + * Arguments to signal handler: + * x0 = signal number + * x1 = siginfo pointer + * x2 = ucontext pointer + * pc/elr = signal handler pointer + * sp = sigframe struct pointer + * lr = sigtramp at base of user stack + */ + + regs->xregs[0] = sig; + regs->xregs[1] = frame_addr + + offsetof(struct target_sigframe, sf_si); + regs->xregs[2] = frame_addr + + offsetof(struct target_sigframe, sf_uc); + + regs->pc = ka->_sa_handler; + regs->xregs[TARGET_REG_SP] = frame_addr; + regs->xregs[TARGET_REG_LR] = TARGET_PS_STRINGS - TARGET_SZSIGCODE; + + return 0; +} From patchwork Mon Jun 17 18:58:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948816 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=FlxBEp5u; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4W2zml3vSLz20Wb for ; 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Mon, 17 Jun 2024 11:59:02 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.59.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:59:02 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh , Kyle Evans Subject: [PATCH 20/23] Add get_mcontext function for ARM AArch64 in bsd-user Date: Tue, 18 Jun 2024 00:28:01 +0530 Message-Id: <20240617185804.25075-21-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::c32; envelope-from=itachis6234@gmail.com; helo=mail-oo1-xc32.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son function to retrieve machine context,it populates the provided target_mcontext_t structure with information from the CPUARMState registers Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh Co-authored-by: Kyle Evans --- bsd-user/aarch64/signal.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/bsd-user/aarch64/signal.c b/bsd-user/aarch64/signal.c index 98861f9ab3..ab3bf8558a 100644 --- a/bsd-user/aarch64/signal.c +++ b/bsd-user/aarch64/signal.c @@ -51,3 +51,33 @@ abi_long set_sigtramp_args(CPUARMState *regs, int sig, return 0; } + +/* + * Compare to get_mcontext() in arm64/arm64/machdep.c + * Assumes that the memory is locked if mcp points to user memory. + */ +abi_long get_mcontext(CPUARMState *regs, target_mcontext_t *mcp, int flags) +{ + int err = 0, i; + uint64_t *gr = mcp->mc_gpregs.gp_x; + + mcp->mc_gpregs.gp_spsr = pstate_read(regs); + if (flags & TARGET_MC_GET_CLEAR_RET) { + gr[0] = 0UL; + mcp->mc_gpregs.gp_spsr &= ~CPSR_C; + } else { + gr[0] = tswap64(regs->xregs[0]); + } + + for (i = 1; i < 30; i++) { + gr[i] = tswap64(regs->xregs[i]); + } + + mcp->mc_gpregs.gp_sp = tswap64(regs->xregs[TARGET_REG_SP]); + mcp->mc_gpregs.gp_lr = tswap64(regs->xregs[TARGET_REG_LR]); + mcp->mc_gpregs.gp_elr = tswap64(regs->pc); + + /* XXX FP? */ + + return err; +} From patchwork Mon Jun 17 18:58:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948800 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Mon, 17 Jun 2024 11:59:04 -0700 (PDT) Received: from localhost.localdomain ([106.222.222.115]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705ccb4aa4fsm7660637b3a.131.2024.06.17.11.59.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jun 2024 11:59:04 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Ajeet Singh Subject: [PATCH 21/23] Add setup_sigframe_arch function for ARM AArch64 in bsd-user Date: Tue, 18 Jun 2024 00:28:02 +0530 Message-Id: <20240617185804.25075-22-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x42e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Warner Losh The function utilizes the `get_mcontext` function to retrieve the machine context for the current CPUARMState Signed-off-by: Warner Losh Signed-off-by: Ajeet Singh Reviewed-by: Richard Henderson --- bsd-user/aarch64/signal.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/bsd-user/aarch64/signal.c b/bsd-user/aarch64/signal.c index ab3bf8558a..43c886e603 100644 --- a/bsd-user/aarch64/signal.c +++ b/bsd-user/aarch64/signal.c @@ -81,3 +81,17 @@ abi_long get_mcontext(CPUARMState *regs, target_mcontext_t *mcp, int flags) return err; } + +/* + * Compare to arm64/arm64/exec_machdep.c sendsig() + * Assumes that the memory is locked if frame points to user memory. + */ +abi_long setup_sigframe_arch(CPUARMState *env, abi_ulong frame_addr, + struct target_sigframe *frame, int flags) +{ + target_mcontext_t *mcp = &frame->sf_uc.uc_mcontext; + + get_mcontext(env, mcp, flags); + return 0; +} + From patchwork Mon Jun 17 18:58:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948818 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=ZgLXrQHe; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; 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envelope-from=itachis6234@gmail.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son The function copies register values from the provided target_mcontext_t structure to the CPUARMState registers Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh --- bsd-user/aarch64/signal.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/bsd-user/aarch64/signal.c b/bsd-user/aarch64/signal.c index 43c886e603..13faac8ce6 100644 --- a/bsd-user/aarch64/signal.c +++ b/bsd-user/aarch64/signal.c @@ -95,3 +95,25 @@ abi_long setup_sigframe_arch(CPUARMState *env, abi_ulong frame_addr, return 0; } +/* + * Compare to set_mcontext() in arm64/arm64/machdep.c + * Assumes that the memory is locked if frame points to user memory. + */ +abi_long set_mcontext(CPUARMState *regs, target_mcontext_t *mcp, int srflag) +{ + int err = 0, i; + const uint64_t *gr = mcp->mc_gpregs.gp_x; + + for (i = 0; i < 30; i++) { + regs->xregs[i] = tswap64(gr[i]); + } + + regs->xregs[TARGET_REG_SP] = tswap64(mcp->mc_gpregs.gp_sp); + regs->xregs[TARGET_REG_LR] = tswap64(mcp->mc_gpregs.gp_lr); + regs->pc = mcp->mc_gpregs.gp_elr; + pstate_write(regs, mcp->mc_gpregs.gp_spsr); + + /* XXX FP? */ + + return err; +} From patchwork Mon Jun 17 18:58:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajeet Singh X-Patchwork-Id: 1948820 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=CRSuF4lX; 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Mon, 17 Jun 2024 11:59:08 -0700 (PDT) From: Ajeet Singh X-Google-Original-From: Ajeet Singh To: qemu-devel@nongnu.org Cc: Warner Losh , Ajeet Singh , Stacey Son , Ajeet Singh Subject: [PATCH 23/23] Add get_ucontext_sigreturn function Date: Tue, 18 Jun 2024 00:28:04 +0530 Message-Id: <20240617185804.25075-24-itachis@FreeBSD.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240617185804.25075-1-itachis@FreeBSD.org> References: <20240617185804.25075-1-itachis@FreeBSD.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::429; envelope-from=itachis6234@gmail.com; helo=mail-pf1-x429.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Stacey Son Function checks the processor state to ensure that the current execution mode is EL0 and no flags indicating interrupts or exceptions are set Signed-off-by: Stacey Son Signed-off-by: Ajeet Singh --- bsd-user/aarch64/signal.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/bsd-user/aarch64/signal.c b/bsd-user/aarch64/signal.c index 13faac8ce6..ad81531ec5 100644 --- a/bsd-user/aarch64/signal.c +++ b/bsd-user/aarch64/signal.c @@ -117,3 +117,21 @@ abi_long set_mcontext(CPUARMState *regs, target_mcontext_t *mcp, int srflag) return err; } + +/* Compare to sys_sigreturn() in arm64/arm64/machdep.c */ +abi_long get_ucontext_sigreturn(CPUARMState *regs, abi_ulong target_sf, + abi_ulong *target_uc) +{ + uint32_t pstate = pstate_read(regs); + + *target_uc = 0; + + if ((pstate & PSTATE_M) != PSTATE_MODE_EL0t || + (pstate & (PSTATE_F | PSTATE_I | PSTATE_A | PSTATE_D)) != 0) { + return -TARGET_EINVAL; + } + + *target_uc = target_sf; + + return 0; +}