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[50.253.99.174]) by smtp.gmail.com with ESMTPSA id x15sm876909iob.8.2021.11.07.19.52.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Nov 2021 19:52:09 -0800 (PST) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v5 00/37] bsd-user: arm (32-bit) support Date: Sun, 7 Nov 2021 20:50:59 -0700 Message-Id: <20211108035136.43687-1-imp@bsdimp.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::12b (failed) Received-SPF: none client-ip=2607:f8b0:4864:20::12b; envelope-from=imp@bsdimp.com; helo=mail-il1-x12b.google.com X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_NONE=0.001 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: , Cc: qemu-trivial@nongnu.org, Kyle Evans , Michael Tokarev , Laurent Vivier , Philippe Mathieu-Daude , Richard Henderson , Warner Losh Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series of patches brings in 32-bit arm support for bsd-user. It implements all the bits needed to do image activation, signal handling, stack management and threading. This allows us to get to the "Hello World" level. The arm and x86 code are now the same as in the bsd-user fork. For full context, the fork is at https://github.com/qemu-bsd-user/qemu-bsd-user/tree/blitz (though the the recent sig{bus,segv} needed updates are incomplete). v5 changes: o Moved to using the CPUArchState typedef and move set_sigtramp_args, get_mcontext, set_mcontext, and get_ucontext_sigreturn prototypes to bsd-user/freebsd/target_os_ucontext.h o Fix issues with arm's set_mcontext related to masking and remove an unnecessary check. We're down to only one hunk needing review: bsd-user/arm/target_arch_signal.c: arm set_mcontext Warnings that should be ignored: o make checkpatch has a couple of complaints about the comments for the signal trampoline, since it's a false positive IMHO. WARNING: Block comments use a leading /* on a separate line + /* 8 */ sys_sigreturn, WARNING: Block comments use a leading /* on a separate line + /* 9 */ sys_exit Warner Losh (37): bsd-user/mips*: Remove mips support bsd-user/freebsd: Create common target_os_ucontext.h file bsd-user: create a per-arch signal.c file bsd-user/i386/target_arch_signal.h: Remove target_sigcontext bsd-user/i386/target_arch_signal.h: use new target_os_ucontext.h bsd-user/i386/target_arch_signal.h: Update mcontext_t to match FreeBSD bsd-user/i386: Move the inlines into signal.c bsd-user/x86_64/target_arch_signal.h: Remove target_sigcontext bsd-user/x86_64/target_arch_signal.h: use new target_os_ucontext.h bsd-user/x86_64/target_arch_signal.h: Fill in mcontext_t bsd-user/x86_64: Move functions into signal.c bsd-user/target_os_signal.h: Move signal prototypes to target_os_ucontext.h bsd-user/arm/target_arch_sysarch.h: Use consistent include guards bsd-user/arm/target_syscall.h: Add copyright and update name bsd-user/arm/target_arch_cpu.c: Target specific TLS routines bsd-user/arm/target_arch_cpu.h: CPU Loop definitions bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs bsd-user/arm/target_arch_cpu.h: Dummy target_cpu_loop implementation bsd-user/arm/target_arch_cpu.h: Implement trivial EXCP exceptions bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions bsd-user/arm/target_arch_cpu.h: Implement system call dispatch bsd-user/arm/target_arch_reg.h: Implement core dump register copying bsd-user/arm/target_arch_vmparam.h: Parameters for arm address space bsd-user/arm/target_arch_sigtramp.h: Signal Trampoline for arm bsd-user/arm/target_arch_thread.h: Routines to create and switch to a thread bsd-user/arm/target_arch_elf.h: arm defines for ELF bsd-user/arm/target_arch_elf.h: arm get hwcap bsd-user/arm/target_arch_elf.h: arm get_hwcap2 impl bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack bsd-user/arm/target_arch_signal.h: arm machine context and trapframe for signals bsd-user/arm/target_arch_signal.h: Define size of *context_t bsd-user/arm/signal.c: arm set_sigtramp_args bsd-user/arm/signal.c: arm get_mcontext bsd-user/arm/signal.c: arm set_mcontext bsd-user/arm/signal.c: arm get_ucontext_sigreturn bsd-user/freebsd/target_os_ucontext.h: Require TARGET_*CONTEXT_SIZE bsd-user: add arm target build bsd-user/arm/signal.c | 196 ++++++++++++++++++++++++ bsd-user/arm/target_arch.h | 28 ++++ bsd-user/arm/target_arch_cpu.c | 39 +++++ bsd-user/arm/target_arch_cpu.h | 211 ++++++++++++++++++++++++++ bsd-user/arm/target_arch_elf.h | 128 ++++++++++++++++ bsd-user/arm/target_arch_reg.h | 60 ++++++++ bsd-user/arm/target_arch_signal.h | 88 +++++++++++ bsd-user/arm/target_arch_sigtramp.h | 49 ++++++ bsd-user/arm/target_arch_sysarch.h | 6 +- bsd-user/arm/target_arch_thread.h | 82 ++++++++++ bsd-user/arm/target_arch_vmparam.h | 48 ++++++ bsd-user/arm/target_syscall.h | 27 +++- bsd-user/freebsd/target_os_signal.h | 3 - bsd-user/freebsd/target_os_ucontext.h | 44 ++++++ bsd-user/i386/signal.c | 55 +++++++ bsd-user/i386/target_arch_signal.h | 95 ++++++------ bsd-user/mips/target_arch_sysarch.h | 69 --------- bsd-user/mips/target_syscall.h | 52 ------- bsd-user/mips64/target_arch_sysarch.h | 69 --------- bsd-user/mips64/target_syscall.h | 53 ------- bsd-user/x86_64/signal.c | 55 +++++++ bsd-user/x86_64/target_arch_signal.h | 103 +++++++------ configs/targets/arm-bsd-user.mak | 2 + meson.build | 2 +- 24 files changed, 1214 insertions(+), 350 deletions(-) create mode 100644 bsd-user/arm/signal.c create mode 100644 bsd-user/arm/target_arch.h create mode 100644 bsd-user/arm/target_arch_cpu.c create mode 100644 bsd-user/arm/target_arch_cpu.h create mode 100644 bsd-user/arm/target_arch_elf.h create mode 100644 bsd-user/arm/target_arch_reg.h create mode 100644 bsd-user/arm/target_arch_signal.h create mode 100644 bsd-user/arm/target_arch_sigtramp.h create mode 100644 bsd-user/arm/target_arch_thread.h create mode 100644 bsd-user/arm/target_arch_vmparam.h create mode 100644 bsd-user/freebsd/target_os_ucontext.h create mode 100644 bsd-user/i386/signal.c delete mode 100644 bsd-user/mips/target_arch_sysarch.h delete mode 100644 bsd-user/mips/target_syscall.h delete mode 100644 bsd-user/mips64/target_arch_sysarch.h delete mode 100644 bsd-user/mips64/target_syscall.h create mode 100644 bsd-user/x86_64/signal.c create mode 100644 configs/targets/arm-bsd-user.mak -- 2.33.0