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dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50824 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lxqKU-0003zJ-U1 for qemu-devel@archiver.kernel.org; Mon, 28 Jun 2021 08:25:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51382) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lxq16-0002tW-Dc for qemu-devel@nongnu.org; Mon, 28 Jun 2021 08:05:32 -0400 Received: from mail.loongson.cn ([114.242.206.163]:45696 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lxq0x-0001GN-AB for qemu-devel@nongnu.org; Mon, 28 Jun 2021 08:05:32 -0400 Received: from kvm-dev1.localdomain (unknown [10.2.5.134]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9DxL0LdutlgOrYZAA--.8747S22; Mon, 28 Jun 2021 20:05:09 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Subject: [PATCH 20/20] target/loongarch: Add linux-user emulation support Date: Mon, 28 Jun 2021 20:04:45 +0800 Message-Id: <1624881885-31692-21-git-send-email-gaosong@loongson.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1624881885-31692-1-git-send-email-gaosong@loongson.cn> References: <1624881885-31692-1-git-send-email-gaosong@loongson.cn> X-CM-TRANSID: AQAAf9DxL0LdutlgOrYZAA--.8747S22 X-Coremail-Antispam: 1UD129KBjvAXoWDWFW7Kr1DuryktF4kZr47urg_yoWrCw43Ko WxJF1aqw1kGr1fua1kWw17Wr1UZF9rJF48Jr4UAFy8GFnFqr1DWr13tay8WFn3ArySgFy5 tFyjqr1qya9YyF1kn29KB7ZKAUJUUUU3529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UjIYCTnIWjDUYxBIdaVFxhVjvjDU0xZFpf9x0zRUUUUUUUUU= X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=loongson.cn 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, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, thuth@redhat.com, richard.henderson@linaro.org, laurent@vivier.eu, maobibo@loongson.cn, alistair.francis@wdc.com, pbonzini@redhat.com, philmd@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add files to linux-user/loongarch64 Add file to default-configs Add loongarch to target/meson.build Signed-off-by: Song Gao --- MAINTAINERS | 1 + default-configs/targets/loongarch64-linux-user.mak | 4 + include/elf.h | 2 + linux-user/elfload.c | 58 ++++ linux-user/loongarch64/cpu_loop.c | 177 ++++++++++++ linux-user/loongarch64/signal.c | 193 +++++++++++++ linux-user/loongarch64/sockbits.h | 1 + linux-user/loongarch64/syscall_nr.h | 307 +++++++++++++++++++++ linux-user/loongarch64/target_cpu.h | 36 +++ linux-user/loongarch64/target_elf.h | 14 + linux-user/loongarch64/target_fcntl.h | 12 + linux-user/loongarch64/target_signal.h | 28 ++ linux-user/loongarch64/target_structs.h | 49 ++++ linux-user/loongarch64/target_syscall.h | 46 +++ linux-user/loongarch64/termbits.h | 229 +++++++++++++++ linux-user/syscall_defs.h | 8 +- meson.build | 2 +- qapi/machine-target.json | 4 +- target/loongarch/meson.build | 19 ++ target/meson.build | 1 + 20 files changed, 1185 insertions(+), 6 deletions(-) create mode 100644 default-configs/targets/loongarch64-linux-user.mak create mode 100644 linux-user/loongarch64/cpu_loop.c create mode 100644 linux-user/loongarch64/signal.c create mode 100644 linux-user/loongarch64/sockbits.h create mode 100644 linux-user/loongarch64/syscall_nr.h create mode 100644 linux-user/loongarch64/target_cpu.h create mode 100644 linux-user/loongarch64/target_elf.h create mode 100644 linux-user/loongarch64/target_fcntl.h create mode 100644 linux-user/loongarch64/target_signal.h create mode 100644 linux-user/loongarch64/target_structs.h create mode 100644 linux-user/loongarch64/target_syscall.h create mode 100644 linux-user/loongarch64/termbits.h create mode 100644 target/loongarch/meson.build diff --git a/MAINTAINERS b/MAINTAINERS index f987e2b..36dacf5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -214,6 +214,7 @@ M: Song Gao S: Maintained F: target/loongarch/ F: disas/loongarch.c +F: linux-user/loongarch64/ M68K TCG CPUs M: Laurent Vivier diff --git a/default-configs/targets/loongarch64-linux-user.mak b/default-configs/targets/loongarch64-linux-user.mak new file mode 100644 index 0000000..5af380a --- /dev/null +++ b/default-configs/targets/loongarch64-linux-user.mak @@ -0,0 +1,4 @@ +# Default configuration for loongson64-linux-user +TARGET_LOONGARCH64=y +TARGET_ARCH=loongarch64 +TARGET_BASE_ARCH=loongarch diff --git a/include/elf.h b/include/elf.h index 811bf4a..3a4bcb6 100644 --- a/include/elf.h +++ b/include/elf.h @@ -182,6 +182,8 @@ typedef struct mips_elf_abiflags_v0 { #define EM_NANOMIPS 249 /* Wave Computing nanoMIPS */ +#define EM_LOONGARCH 258 /* LoongArch */ + /* * This is an interim value that we will use until the committee comes * up with a final number. diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 598ab8a..08bc9dc 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -909,6 +909,64 @@ static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUPPCState *en #endif +#ifdef TARGET_LOONGARCH64 + +#define ELF_START_MMAP 0x80000000 + +#define ELF_CLASS ELFCLASS64 +#define ELF_ARCH EM_LOONGARCH + +#define elf_check_arch(x) ((x) == EM_LOONGARCH) +static inline void init_thread(struct target_pt_regs *regs, + struct image_info *infop) +{ + regs->csr_crmd = 2 << 3; + regs->csr_era = infop->entry; + regs->regs[3] = infop->start_stack; +} + +/* See linux kernel: arch/loongarch/include/asm/elf.h. */ +#define ELF_NREG 45 +typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG]; + +/* See linux kernel: arch/loongarch/include/asm/reg.h. */ +enum { + TARGET_EF_R0 = 0, + TARGET_EF_CSR_ERA = TARGET_EF_R0 + 32, + TARGET_EF_CSR_BADVADDR = TARGET_EF_R0 + 33, +}; + +/* See linux kernel: arch/loongarch/kernel/process.c:loongarch_dump_regs64. */ +static void elf_core_copy_regs(target_elf_gregset_t *regs, + const CPULoongArchState *env) +{ + int i; + + for (i = 0; i < TARGET_EF_R0; i++) { + (*regs)[i] = 0; + } + (*regs)[TARGET_EF_R0] = 0; + + for (i = 1; i < ARRAY_SIZE(env->active_tc.gpr); i++) { + (*regs)[TARGET_EF_R0 + i] = tswapreg(env->active_tc.gpr[i]); + } + + (*regs)[TARGET_EF_CSR_ERA] = tswapreg(env->active_tc.PC); + (*regs)[TARGET_EF_CSR_BADVADDR] = tswapreg(env->CSR_BADV); +} + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#define ELF_HWCAP get_elf_hwcap() + +static uint32_t get_elf_hwcap(void) +{ + return 0; +} + +#endif /* TARGET_LOONGARCH64 */ + #ifdef TARGET_MIPS #define ELF_START_MMAP 0x80000000 diff --git a/linux-user/loongarch64/cpu_loop.c b/linux-user/loongarch64/cpu_loop.c new file mode 100644 index 0000000..91f35bc --- /dev/null +++ b/linux-user/loongarch64/cpu_loop.c @@ -0,0 +1,177 @@ +/* + * QEMU LoongArch user cpu loop. + * + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#include "qemu/osdep.h" +#include "qemu.h" +#include "qemu-common.h" +#include "cpu_loop-common.h" +#include "elf.h" + +/* Break codes */ +enum { + BRK_OVERFLOW = 6, + BRK_DIVZERO = 7 +}; + +static int do_break(CPULoongArchState *env, target_siginfo_t *info, + unsigned int code) +{ + int ret = -1; + + switch (code) { + case BRK_OVERFLOW: + case BRK_DIVZERO: + info->si_signo = TARGET_SIGFPE; + info->si_errno = 0; + info->si_code = (code == BRK_OVERFLOW) ? FPE_INTOVF : FPE_INTDIV; + queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); + ret = 0; + break; + default: + info->si_signo = TARGET_SIGTRAP; + info->si_errno = 0; + queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); + ret = 0; + break; + } + + return ret; +} + +void cpu_loop(CPULoongArchState *env) +{ + CPUState *cs = CPU(loongarch_env_get_cpu(env)); + target_siginfo_t info; + int trapnr; + 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_SYSCALL: + env->active_tc.PC += 4; + ret = do_syscall(env, env->active_tc.gpr[11], + env->active_tc.gpr[4], env->active_tc.gpr[5], + env->active_tc.gpr[6], env->active_tc.gpr[7], + env->active_tc.gpr[8], env->active_tc.gpr[9], + -1, -1); + if (ret == -TARGET_ERESTARTSYS) { + env->active_tc.PC -= 4; + break; + } + if (ret == -TARGET_QEMU_ESIGRETURN) { + /* + * Returning from a successful sigreturn syscall. + * Avoid clobbering register state. + */ + break; + } + env->active_tc.gpr[4] = ret; + break; + case EXCP_TLBL: + case EXCP_TLBS: + case EXCP_ADE: + info.si_signo = TARGET_SIGSEGV; + info.si_errno = 0; + info.si_code = TARGET_SEGV_MAPERR; + info._sifields._sigfault._addr = env->CSR_BADV; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; + case EXCP_FPDIS: + case EXCP_INE: + info.si_signo = TARGET_SIGILL; + info.si_errno = 0; + info.si_code = 0; + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; + case EXCP_FPE: + info.si_signo = TARGET_SIGFPE; + info.si_errno = 0; + info.si_code = TARGET_FPE_FLTUNK; + if (GET_FP_CAUSE(env->active_fpu.fcsr0) & FP_INVALID) { + info.si_code = TARGET_FPE_FLTINV; + } else if (GET_FP_CAUSE(env->active_fpu.fcsr0) & FP_DIV0) { + info.si_code = TARGET_FPE_FLTDIV; + } else if (GET_FP_CAUSE(env->active_fpu.fcsr0) & FP_OVERFLOW) { + info.si_code = TARGET_FPE_FLTOVF; + } else if (GET_FP_CAUSE(env->active_fpu.fcsr0) & FP_UNDERFLOW) { + info.si_code = TARGET_FPE_FLTUND; + } else if (GET_FP_CAUSE(env->active_fpu.fcsr0) & FP_INEXACT) { + info.si_code = TARGET_FPE_FLTRES; + } + queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); + break; + case EXCP_BREAK: + { + abi_ulong trap_instr; + unsigned int code; + + ret = get_user_u32(trap_instr, env->active_tc.PC); + if (ret != 0) { + abort(); + goto error; + } + + code = trap_instr & 0x7fff; + + if (do_break(env, &info, code) != 0) { + abort(); + goto error; + } + } + break; + case EXCP_TRAP: + { + abi_ulong trap_instr; + unsigned int code = 0; + + ret = get_user_u32(trap_instr, env->active_tc.PC); + + if (ret != 0) { + abort(); + goto error; + } + + /* The immediate versions don't provide a code. */ + if (!(trap_instr & 0xFC000000)) { + code = ((trap_instr >> 6) & ((1 << 10) - 1)); + } + + if (do_break(env, &info, code) != 0) { + abort(); + goto error; + } + } + break; + case EXCP_ATOMIC: + cpu_exec_step_atomic(cs); + break; + default: +error: + EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", + trapnr); + abort(); + } + process_pending_signals(env); + } +} + +void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) +{ + int i; + + for (i = 0; i < 32; i++) { + env->active_tc.gpr[i] = regs->regs[i]; + } + env->active_tc.PC = regs->csr_era & ~(target_ulong)1; + +} diff --git a/linux-user/loongarch64/signal.c b/linux-user/loongarch64/signal.c new file mode 100644 index 0000000..716cee3 --- /dev/null +++ b/linux-user/loongarch64/signal.c @@ -0,0 +1,193 @@ +/* + * LoongArch emulation of Linux signals + * + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#include "qemu/osdep.h" +#include "qemu.h" +#include "signal-common.h" +#include "linux-user/trace.h" + +#define FPU_REG_WIDTH 256 +union fpureg { + uint32_t val32[FPU_REG_WIDTH / 32]; + uint64_t val64[FPU_REG_WIDTH / 64]; +}; + +struct target_sigcontext { + uint64_t sc_pc; + uint64_t sc_regs[32]; + uint32_t sc_flags; + + uint32_t sc_fcsr; + uint32_t sc_vcsr; + uint64_t sc_fcc; + union fpureg sc_fpregs[32] __attribute__((aligned(32))); + + uint32_t sc_reserved; + +}; + +struct sigframe { + uint32_t sf_ass[4]; /* argument save space for o32 */ + uint32_t sf_code[2]; /* signal trampoline */ + struct target_sigcontext sf_sc; + target_sigset_t sf_mask; +}; + +struct target_ucontext { + target_ulong tuc_flags; + target_ulong tuc_link; + target_stack_t tuc_stack; + target_ulong pad0; + struct target_sigcontext tuc_mcontext; + target_sigset_t tuc_sigmask; +}; + +struct target_rt_sigframe { + uint32_t rs_ass[4]; /* argument save space for o32 */ + uint32_t rs_code[2]; /* signal trampoline */ + struct target_siginfo rs_info; + struct target_ucontext rs_uc; +}; + +/* Install trampoline to jump back from signal handler */ +static inline int install_sigtramp(unsigned int *tramp, unsigned int syscall) +{ + int err = 0; + + /* + * Set up the return code ... + * + * li a7, 139 + * syscall + */ + + __put_user(0x03822c0b, tramp + 0); /* ori a7, a7, 0x8b */ + __put_user(0x002b0000, tramp + 1); /* syscall 0 */ + return err; +} + +static inline void setup_sigcontext(CPULoongArchState *regs, + struct target_sigcontext *sc) +{ + int i; + + __put_user(exception_resume_pc(regs), &sc->sc_pc); + regs->hflags &= ~LOONGARCH_HFLAG_BMASK; + + __put_user(0, &sc->sc_regs[0]); + for (i = 1; i < 32; ++i) { + __put_user(regs->active_tc.gpr[i], &sc->sc_regs[i]); + } + + for (i = 0; i < 32; ++i) { + __put_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i].val64[0]); + } +} + +static inline void +restore_sigcontext(CPULoongArchState *regs, struct target_sigcontext *sc) +{ + int i; + + __get_user(regs->CSR_ERA, &sc->sc_pc); + + for (i = 1; i < 32; ++i) { + __get_user(regs->active_tc.gpr[i], &sc->sc_regs[i]); + } + + for (i = 0; i < 32; ++i) { + __get_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i].val64[0]); + } +} + +/* + * Determine which stack to use.. + */ +static inline abi_ulong +get_sigframe(struct target_sigaction *ka, CPULoongArchState *regs, + size_t frame_size) +{ + unsigned long sp; + + sp = target_sigsp(get_sp_from_cpustate(regs) - 32, ka); + + return (sp - frame_size) & ~7; +} + +void setup_rt_frame(int sig, struct target_sigaction *ka, + target_siginfo_t *info, + target_sigset_t *set, CPULoongArchState *env) +{ + struct target_rt_sigframe *frame; + abi_ulong frame_addr; + int i; + + frame_addr = get_sigframe(ka, env, sizeof(*frame)); + trace_user_setup_rt_frame(env, frame_addr); + if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) { + goto give_sigsegv; + } + + install_sigtramp(frame->rs_code, TARGET_NR_rt_sigreturn); + + tswap_siginfo(&frame->rs_info, info); + + __put_user(0, &frame->rs_uc.tuc_flags); + __put_user(0, &frame->rs_uc.tuc_link); + target_save_altstack(&frame->rs_uc.tuc_stack, env); + + setup_sigcontext(env, &frame->rs_uc.tuc_mcontext); + + for (i = 0; i < TARGET_NSIG_WORDS; i++) { + __put_user(set->sig[i], &frame->rs_uc.tuc_sigmask.sig[i]); + } + + env->active_tc.gpr[4] = sig; + env->active_tc.gpr[5] = frame_addr + + offsetof(struct target_rt_sigframe, rs_info); + env->active_tc.gpr[6] = frame_addr + + offsetof(struct target_rt_sigframe, rs_uc); + env->active_tc.gpr[3] = frame_addr; + env->active_tc.gpr[1] = frame_addr + + offsetof(struct target_rt_sigframe, rs_code); + + env->active_tc.PC = env->active_tc.gpr[20] = ka->_sa_handler; + unlock_user_struct(frame, frame_addr, 1); + return; + +give_sigsegv: + unlock_user_struct(frame, frame_addr, 1); + force_sigsegv(sig); +} + +long do_rt_sigreturn(CPULoongArchState *env) +{ + struct target_rt_sigframe *frame; + abi_ulong frame_addr; + sigset_t blocked; + + frame_addr = env->active_tc.gpr[3]; + trace_user_do_rt_sigreturn(env, frame_addr); + if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) { + goto badframe; + } + + target_to_host_sigset(&blocked, &frame->rs_uc.tuc_sigmask); + set_sigmask(&blocked); + + restore_sigcontext(env, &frame->rs_uc.tuc_mcontext); + target_restore_altstack(&frame->rs_uc.tuc_stack, env); + + env->active_tc.PC = env->CSR_ERA; + env->CSR_ERA = 0; + return -TARGET_QEMU_ESIGRETURN; + +badframe: + force_sig(TARGET_SIGSEGV); + return -TARGET_QEMU_ESIGRETURN; +} diff --git a/linux-user/loongarch64/sockbits.h b/linux-user/loongarch64/sockbits.h new file mode 100644 index 0000000..0e4c8f0 --- /dev/null +++ b/linux-user/loongarch64/sockbits.h @@ -0,0 +1 @@ +#include "../generic/sockbits.h" diff --git a/linux-user/loongarch64/syscall_nr.h b/linux-user/loongarch64/syscall_nr.h new file mode 100644 index 0000000..64cb17d --- /dev/null +++ b/linux-user/loongarch64/syscall_nr.h @@ -0,0 +1,307 @@ +#ifndef LINUX_USER_LOONGARCH_SYSCALL_NR_H +#define LINUX_USER_LOONGARCH_SYSCALL_NR_H + +/* copy from kernel: include/uapi/asm-generic/unistd.h */ +#define TARGET_NR_io_setup 0 +#define TARGET_NR_io_destroy 1 +#define TARGET_NR_io_submit 2 +#define TARGET_NR_io_cancel 3 +#define TARGET_NR_io_getevents 4 +#define TARGET_NR_setxattr 5 +#define TARGET_NR_lsetxattr 6 +#define TARGET_NR_fsetxattr 7 +#define TARGET_NR_getxattr 8 +#define TARGET_NR_lgetxattr 9 +#define TARGET_NR_fgetxattr 10 +#define TARGET_NR_listxattr 11 +#define TARGET_NR_llistxattr 12 +#define TARGET_NR_flistxattr 13 +#define TARGET_NR_removexattr 14 +#define TARGET_NR_lremovexattr 15 +#define TARGET_NR_fremovexattr 16 +#define TARGET_NR_getcwd 17 +#define TARGET_NR_lookup_dcookie 18 +#define TARGET_NR_eventfd2 19 +#define TARGET_NR_epoll_create1 20 +#define TARGET_NR_epoll_ctl 21 +#define TARGET_NR_epoll_pwait 22 +#define TARGET_NR_dup 23 +#define TARGET_NR_dup3 24 +#define TARGET_NR_fcntl 25 +#define TARGET_NR_inotify_init1 26 +#define TARGET_NR_inotify_add_watch 27 +#define TARGET_NR_inotify_rm_watch 28 +#define TARGET_NR_ioctl 29 +#define TARGET_NR_ioprio_set 30 +#define TARGET_NR_ioprio_get 31 +#define TARGET_NR_flock 32 +#define TARGET_NR_mknodat 33 +#define TARGET_NR_mkdirat 34 +#define TARGET_NR_unlinkat 35 +#define TARGET_NR_symlinkat 36 +#define TARGET_NR_linkat 37 +#define TARGET_NR_renameat 38 +#define TARGET_NR_umount2 39 +#define TARGET_NR_mount 40 +#define TARGET_NR_pivot_root 41 +#define TARGET_NR_nfsservctl 42 +#define TARGET_NR_statfs 43 +#define TARGET_NR_fstatfs 44 +#define TARGET_NR_truncate 45 +#define TARGET_NR_ftruncate 46 +#define TARGET_NR_fallocate 47 +#define TARGET_NR_faccessat 48 +#define TARGET_NR_chdir 49 +#define TARGET_NR_fchdir 50 +#define TARGET_NR_chroot 51 +#define TARGET_NR_fchmod 52 +#define TARGET_NR_fchmodat 53 +#define TARGET_NR_fchownat 54 +#define TARGET_NR_fchown 55 +#define TARGET_NR_openat 56 +#define TARGET_NR_close 57 +#define TARGET_NR_vhangup 58 +#define TARGET_NR_pipe2 59 +#define TARGET_NR_quotactl 60 +#define TARGET_NR_getdents64 61 +#define TARGET_NR_lseek 62 +#define TARGET_NR_read 63 +#define TARGET_NR_write 64 +#define TARGET_NR_readv 65 +#define TARGET_NR_writev 66 +#define TARGET_NR_pread64 67 +#define TARGET_NR_pwrite64 68 +#define TARGET_NR_preadv 69 +#define TARGET_NR_pwritev 70 +#define TARGET_NR_sendfile 71 +#define TARGET_NR_pselect6 72 +#define TARGET_NR_ppoll 73 +#define TARGET_NR_signalfd4 74 +#define TARGET_NR_vmsplice 75 +#define TARGET_NR_splice 76 +#define TARGET_NR_tee 77 +#define TARGET_NR_readlinkat 78 +#define TARGET_NR_newfstatat 79 +#define TARGET_NR_fstat 80 +#define TARGET_NR_sync 81 +#define TARGET_NR_fsync 82 +#define TARGET_NR_fdatasync 83 +#define TARGET_NR_sync_file_range 84 +#define TARGET_NR_timerfd_create 85 +#define TARGET_NR_timerfd_settime 86 +#define TARGET_NR_timerfd_gettime 87 +#define TARGET_NR_utimensat 88 +#define TARGET_NR_acct 89 +#define TARGET_NR_capget 90 +#define TARGET_NR_capset 91 +#define TARGET_NR_personality 92 +#define TARGET_NR_exit 93 +#define TARGET_NR_exit_group 94 +#define TARGET_NR_waitid 95 +#define TARGET_NR_set_tid_address 96 +#define TARGET_NR_unshare 97 +#define TARGET_NR_futex 98 +#define TARGET_NR_set_robust_list 99 +#define TARGET_NR_get_robust_list 100 +#define TARGET_NR_nanosleep 101 +#define TARGET_NR_getitimer 102 +#define TARGET_NR_setitimer 103 +#define TARGET_NR_kexec_load 104 +#define TARGET_NR_init_module 105 +#define TARGET_NR_delete_module 106 +#define TARGET_NR_timer_create 107 +#define TARGET_NR_timer_gettime 108 +#define TARGET_NR_timer_getoverrun 109 +#define TARGET_NR_timer_settime 110 +#define TARGET_NR_timer_delete 111 +#define TARGET_NR_clock_settime 112 +#define TARGET_NR_clock_gettime 113 +#define TARGET_NR_clock_getres 114 +#define TARGET_NR_clock_nanosleep 115 +#define TARGET_NR_syslog 116 +#define TARGET_NR_ptrace 117 +#define TARGET_NR_sched_setparam 118 +#define TARGET_NR_sched_setscheduler 119 +#define TARGET_NR_sched_getscheduler 120 +#define TARGET_NR_sched_getparam 121 +#define TARGET_NR_sched_setaffinity 122 +#define TARGET_NR_sched_getaffinity 123 +#define TARGET_NR_sched_yield 124 +#define TARGET_NR_sched_get_priority_max 125 +#define TARGET_NR_sched_get_priority_min 126 +#define TARGET_NR_sched_rr_get_interval 127 +#define TARGET_NR_restart_syscall 128 +#define TARGET_NR_kill 129 +#define TARGET_NR_tkill 130 +#define TARGET_NR_tgkill 131 +#define TARGET_NR_sigaltstack 132 +#define TARGET_NR_rt_sigsuspend 133 +#define TARGET_NR_rt_sigaction 134 +#define TARGET_NR_rt_sigprocmask 135 +#define TARGET_NR_rt_sigpending 136 +#define TARGET_NR_rt_sigtimedwait 137 +#define TARGET_NR_rt_sigqueueinfo 138 +#define TARGET_NR_rt_sigreturn 139 +#define TARGET_NR_setpriority 140 +#define TARGET_NR_getpriority 141 +#define TARGET_NR_reboot 142 +#define TARGET_NR_setregid 143 +#define TARGET_NR_setgid 144 +#define TARGET_NR_setreuid 145 +#define TARGET_NR_setuid 146 +#define TARGET_NR_setresuid 147 +#define TARGET_NR_getresuid 148 +#define TARGET_NR_setresgid 149 +#define TARGET_NR_getresgid 150 +#define TARGET_NR_setfsuid 151 +#define TARGET_NR_setfsgid 152 +#define TARGET_NR_times 153 +#define TARGET_NR_setpgid 154 +#define TARGET_NR_getpgid 155 +#define TARGET_NR_getsid 156 +#define TARGET_NR_setsid 157 +#define TARGET_NR_getgroups 158 +#define TARGET_NR_setgroups 159 +#define TARGET_NR_uname 160 +#define TARGET_NR_sethostname 161 +#define TARGET_NR_setdomainname 162 +#define TARGET_NR_getrlimit 163 +#define TARGET_NR_setrlimit 164 +#define TARGET_NR_getrusage 165 +#define TARGET_NR_umask 166 +#define TARGET_NR_prctl 167 +#define TARGET_NR_getcpu 168 +#define TARGET_NR_gettimeofday 169 +#define TARGET_NR_settimeofday 170 +#define TARGET_NR_adjtimex 171 +#define TARGET_NR_getpid 172 +#define TARGET_NR_getppid 173 +#define TARGET_NR_getuid 174 +#define TARGET_NR_geteuid 175 +#define TARGET_NR_getgid 176 +#define TARGET_NR_getegid 177 +#define TARGET_NR_gettid 178 +#define TARGET_NR_sysinfo 179 +#define TARGET_NR_mq_open 180 +#define TARGET_NR_mq_unlink 181 +#define TARGET_NR_mq_timedsend 182 +#define TARGET_NR_mq_timedreceive 183 +#define TARGET_NR_mq_notify 184 +#define TARGET_NR_mq_getsetattr 185 +#define TARGET_NR_msgget 186 +#define TARGET_NR_msgctl 187 +#define TARGET_NR_msgrcv 188 +#define TARGET_NR_msgsnd 189 +#define TARGET_NR_semget 190 +#define TARGET_NR_semctl 191 +#define TARGET_NR_semtimedop 192 +#define TARGET_NR_semop 193 +#define TARGET_NR_shmget 194 +#define TARGET_NR_shmctl 195 +#define TARGET_NR_shmat 196 +#define TARGET_NR_shmdt 197 +#define TARGET_NR_socket 198 +#define TARGET_NR_socketpair 199 +#define TARGET_NR_bind 200 +#define TARGET_NR_listen 201 +#define TARGET_NR_accept 202 +#define TARGET_NR_connect 203 +#define TARGET_NR_getsockname 204 +#define TARGET_NR_getpeername 205 +#define TARGET_NR_sendto 206 +#define TARGET_NR_recvfrom 207 +#define TARGET_NR_setsockopt 208 +#define TARGET_NR_getsockopt 209 +#define TARGET_NR_shutdown 210 +#define TARGET_NR_sendmsg 211 +#define TARGET_NR_recvmsg 212 +#define TARGET_NR_readahead 213 +#define TARGET_NR_brk 214 +#define TARGET_NR_munmap 215 +#define TARGET_NR_mremap 216 +#define TARGET_NR_add_key 217 +#define TARGET_NR_request_key 218 +#define TARGET_NR_keyctl 219 +#define TARGET_NR_clone 220 +#define TARGET_NR_execve 221 +#define TARGET_NR_mmap 222 +#define TARGET_NR_fadvise64 223 +#define TARGET_NR_swapon 224 +#define TARGET_NR_swapoff 225 +#define TARGET_NR_mprotect 226 +#define TARGET_NR_msync 227 +#define TARGET_NR_mlock 228 +#define TARGET_NR_munlock 229 +#define TARGET_NR_mlockall 230 +#define TARGET_NR_munlockall 231 +#define TARGET_NR_mincore 232 +#define TARGET_NR_madvise 233 +#define TARGET_NR_remap_file_pages 234 +#define TARGET_NR_mbind 235 +#define TARGET_NR_get_mempolicy 236 +#define TARGET_NR_set_mempolicy 237 +#define TARGET_NR_migrate_pages 238 +#define TARGET_NR_move_pages 239 +#define TARGET_NR_rt_tgsigqueueinfo 240 +#define TARGET_NR_perf_event_open 241 +#define TARGET_NR_accept4 242 +#define TARGET_NR_recvmmsg 243 +#define TARGET_NR_arch_specific_syscall 244 +#define TARGET_NR_wait4 260 +#define TARGET_NR_prlimit64 261 +#define TARGET_NR_fanotify_init 262 +#define TARGET_NR_fanotify_mark 263 +#define TARGET_NR_name_to_handle_at 264 +#define TARGET_NR_open_by_handle_at 265 +#define TARGET_NR_clock_adjtime 266 +#define TARGET_NR_syncfs 267 +#define TARGET_NR_setns 268 +#define TARGET_NR_sendmmsg 269 +#define TARGET_NR_process_vm_readv 270 +#define TARGET_NR_process_vm_writev 271 +#define TARGET_NR_kcmp 272 +#define TARGET_NR_finit_module 273 +#define TARGET_NR_sched_setattr 274 +#define TARGET_NR_sched_getattr 275 +#define TARGET_NR_renameat2 276 +#define TARGET_NR_seccomp 277 +#define TARGET_NR_getrandom 278 +#define TARGET_NR_memfd_create 279 +#define TARGET_NR_bpf 280 +#define TARGET_NR_execveat 281 +#define TARGET_NR_userfaultfd 282 +#define TARGET_NR_membarrier 283 +#define TARGET_NR_mlock2 284 +#define TARGET_NR_copy_file_range 285 +#define TARGET_NR_preadv2 286 +#define TARGET_NR_pwritev2 287 +#define TARGET_NR_pkey_mprotect 288 +#define TARGET_NR_pkey_alloc 289 +#define TARGET_NR_pkey_free 290 +#define TARGET_NR_statx 291 +#define TARGET_NR_io_pgetevents 292 +#define TARGET_NR_rseq 293 +#define TARGET_NR_kexec_file_load 294 +#define TARGET_NR_pidfd_send_signal 424 +#define TARGET_NR_io_uring_setup 425 +#define TARGET_NR_io_uring_enter 426 +#define TARGET_NR_io_uring_register 427 +#define TARGET_NR_open_tree 428 +#define TARGET_NR_move_mount 429 +#define TARGET_NR_fsopen 430 +#define TARGET_NR_fsconfig 431 +#define TARGET_NR_fsmount 432 +#define TARGET_NR_fspick 433 +#define TARGET_NR_pidfd_open 434 +#define TARGET_NR_clone3 435 +#define TARGET_NR_close_range 436 +#define TARGET_NR_openat2 437 +#define TARGET_NR_pidfd_getfd 438 +#define TARGET_NR_faccessat2 439 +#define TARGET_NR_process_madvise 440 +#define TARGET_NR_epoll_pwait2 441 +#define TARGET_NR_mount_setattr 442 + +#define TARGET_NR_syscalls 443 + +#endif diff --git a/linux-user/loongarch64/target_cpu.h b/linux-user/loongarch64/target_cpu.h new file mode 100644 index 0000000..c4c06dd --- /dev/null +++ b/linux-user/loongarch64/target_cpu.h @@ -0,0 +1,36 @@ +/* + * LoongArch specific CPU ABI and functions for linux-user + * + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#ifndef LOONGARCH_TARGET_CPU_H +#define LOONGARCH_TARGET_CPU_H + +static inline void cpu_clone_regs_child(CPULoongArchState *env, + target_ulong newsp, unsigned flags) +{ + if (newsp) { + env->active_tc.gpr[3] = newsp; + } + env->active_tc.gpr[7] = 0; + env->active_tc.gpr[4] = 0; +} + +static inline void cpu_clone_regs_parent(CPULoongArchState *env, + unsigned flags) +{ +} + +static inline void cpu_set_tls(CPULoongArchState *env, target_ulong newtls) +{ + env->active_tc.gpr[2] = newtls; +} + +static inline abi_ulong get_sp_from_cpustate(CPULoongArchState *state) +{ + return state->active_tc.gpr[3]; +} +#endif diff --git a/linux-user/loongarch64/target_elf.h b/linux-user/loongarch64/target_elf.h new file mode 100644 index 0000000..7c88394 --- /dev/null +++ b/linux-user/loongarch64/target_elf.h @@ -0,0 +1,14 @@ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + + +#ifndef LOONGARCH_TARGET_ELF_H +#define LOONGARCH_TARGET_ELF_H +static inline const char *cpu_get_model(uint32_t eflags) +{ + return "Loongson-3A5000"; +} +#endif diff --git a/linux-user/loongarch64/target_fcntl.h b/linux-user/loongarch64/target_fcntl.h new file mode 100644 index 0000000..b810293 --- /dev/null +++ b/linux-user/loongarch64/target_fcntl.h @@ -0,0 +1,12 @@ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#ifndef LOONGARCH_TARGET_FCNTL_H +#define LOONGARCH_TARGET_FCNTL_H + +#include "../generic/fcntl.h" + +#endif /* LOONGARCH_TARGET_FCNTL_H */ diff --git a/linux-user/loongarch64/target_signal.h b/linux-user/loongarch64/target_signal.h new file mode 100644 index 0000000..713c26a --- /dev/null +++ b/linux-user/loongarch64/target_signal.h @@ -0,0 +1,28 @@ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#ifndef LOONGARCH_TARGET_SIGNAL_H +#define LOONGARCH_TARGET_SIGNAL_H + +/* this struct defines a stack used during syscall handling */ +typedef struct target_sigaltstack { + abi_long ss_sp; + abi_int ss_flags; + abi_ulong ss_size; +} target_stack_t; + +/* + * sigaltstack controls + */ +#define TARGET_SS_ONSTACK 1 +#define TARGET_SS_DISABLE 2 + +#define TARGET_MINSIGSTKSZ 2048 +#define TARGET_SIGSTKSZ 8192 + +#include "../generic/signal.h" + +#endif /* LOONGARCH_TARGET_SIGNAL_H */ diff --git a/linux-user/loongarch64/target_structs.h b/linux-user/loongarch64/target_structs.h new file mode 100644 index 0000000..818e8d6 --- /dev/null +++ b/linux-user/loongarch64/target_structs.h @@ -0,0 +1,49 @@ +/* + * LoongArch specific structures for linux-user + * + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#ifndef LOONGARCH_TARGET_STRUCTS_H +#define LOONGARCH_TARGET_STRUCTS_H + +struct target_ipc_perm { + abi_int __key; /* Key. */ + abi_uint uid; /* Owner's user ID. */ + abi_uint gid; /* Owner's group ID. */ + abi_uint cuid; /* Creator's user ID. */ + abi_uint cgid; /* Creator's group ID. */ + abi_uint mode; /* Read/write permission. */ + abi_ushort __seq; /* Sequence number. */ + abi_ushort __pad1; + abi_ulong __unused1; + abi_ulong __unused2; +}; + +struct target_shmid_ds { + struct target_ipc_perm shm_perm; /* operation permission struct */ + abi_long shm_segsz; /* size of segment in bytes */ + abi_ulong shm_atime; /* time of last shmat() */ + abi_ulong shm_dtime; /* time of last shmdt() */ + abi_ulong shm_ctime; /* time of last change by shmctl() */ + abi_int shm_cpid; /* pid of creator */ + abi_int shm_lpid; /* pid of last shmop */ + abi_ulong shm_nattch; /* number of current attaches */ + abi_ulong __unused1; + abi_ulong __unused2; +}; + +#define TARGET_SEMID64_DS + +struct target_semid64_ds { + struct target_ipc_perm sem_perm; + abi_ulong sem_otime; + abi_ulong sem_ctime; + abi_ulong sem_nsems; + abi_ulong __unused1; + abi_ulong __unused2; +}; + +#endif diff --git a/linux-user/loongarch64/target_syscall.h b/linux-user/loongarch64/target_syscall.h new file mode 100644 index 0000000..b98ac12 --- /dev/null +++ b/linux-user/loongarch64/target_syscall.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2021 Loongson Technology Corporation Limited + * + * SPDX-License-Identifier: LGPL-2.1+ + */ + +#ifndef LOONGARCH_TARGET_SYSCALL_H +#define LOONGARCH_TARGET_SYSCALL_H + +/* + * this struct defines the way the registers are stored on the + * stack during a system call. + */ + +struct target_pt_regs { + /* Saved main processor registers. */ + target_ulong regs[32]; + + /* Saved special registers. */ + target_ulong csr_crmd; + target_ulong csr_prmd; + target_ulong csr_euen; + target_ulong csr_ecfg; + target_ulong csr_estat; + target_ulong csr_era; + target_ulong csr_badvaddr; + target_ulong orig_a0; + target_ulong __last[0]; +}; + +#define UNAME_MACHINE "loongarch" +#define UNAME_MINIMUM_RELEASE "4.19.0" + +#define TARGET_MINSIGSTKSZ 2048 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 + +#define TARGET_FORCE_SHMLBA + +static inline abi_ulong target_shmlba(CPULoongArchState *env) +{ + return 0x40000; +} + +#endif diff --git a/linux-user/loongarch64/termbits.h b/linux-user/loongarch64/termbits.h new file mode 100644 index 0000000..33e74ed --- /dev/null +++ b/linux-user/loongarch64/termbits.h @@ -0,0 +1,229 @@ +#ifndef LINUX_USER_LOONGARCH_TERMBITS_H +#define LINUX_USER_LOONGARCH_TERMBITS_H + +#define TARGET_NCCS 19 + +typedef unsigned char target_cc_t; /* cc_t */ +typedef unsigned int target_speed_t; /* speed_t */ +typedef unsigned int target_tcflag_t; /* tcflag_t */ + +struct target_termios { + target_tcflag_t c_iflag; /* input mode flags */ + target_tcflag_t c_oflag; /* output mode flags */ + target_tcflag_t c_cflag; /* control mode flags */ + target_tcflag_t c_lflag; /* local mode flags */ + target_cc_t c_line; /* line discipline */ + target_cc_t c_cc[TARGET_NCCS]; /* control characters */ +}; + +/* c_iflag bits */ +#define TARGET_IGNBRK 0000001 +#define TARGET_BRKINT 0000002 +#define TARGET_IGNPAR 0000004 +#define TARGET_PARMRK 0000010 +#define TARGET_INPCK 0000020 +#define TARGET_ISTRIP 0000040 +#define TARGET_INLCR 0000100 +#define TARGET_IGNCR 0000200 +#define TARGET_ICRNL 0000400 +#define TARGET_IUCLC 0001000 +#define TARGET_IXON 0002000 +#define TARGET_IXANY 0004000 +#define TARGET_IXOFF 0010000 +#define TARGET_IMAXBEL 0020000 +#define TARGET_IUTF8 0040000 + +/* c_oflag bits */ +#define TARGET_OPOST 0000001 +#define TARGET_OLCUC 0000002 +#define TARGET_ONLCR 0000004 +#define TARGET_OCRNL 0000010 +#define TARGET_ONOCR 0000020 +#define TARGET_ONLRET 0000040 +#define TARGET_OFILL 0000100 +#define TARGET_OFDEL 0000200 +#define TARGET_NLDLY 0000400 +#define TARGET_NL0 0000000 +#define TARGET_NL1 0000400 +#define TARGET_CRDLY 0003000 +#define TARGET_CR0 0000000 +#define TARGET_CR1 0001000 +#define TARGET_CR2 0002000 +#define TARGET_CR3 0003000 +#define TARGET_TABDLY 0014000 +#define TARGET_TAB0 0000000 +#define TARGET_TAB1 0004000 +#define TARGET_TAB2 0010000 +#define TARGET_TAB3 0014000 +#define TARGET_XTABS 0014000 +#define TARGET_BSDLY 0020000 +#define TARGET_BS0 0000000 +#define TARGET_BS1 0020000 +#define TARGET_VTDLY 0040000 +#define TARGET_VT0 0000000 +#define TARGET_VT1 0040000 +#define TARGET_FFDLY 0100000 +#define TARGET_FF0 0000000 +#define TARGET_FF1 0100000 + +/* c_cflag bit meaning */ +#define TARGET_CBAUD 0010017 +#define TARGET_B0 0000000 /* hang up */ +#define TARGET_B50 0000001 +#define TARGET_B75 0000002 +#define TARGET_B110 0000003 +#define TARGET_B134 0000004 +#define TARGET_B150 0000005 +#define TARGET_B200 0000006 +#define TARGET_B300 0000007 +#define TARGET_B600 0000010 +#define TARGET_B1200 0000011 +#define TARGET_B1800 0000012 +#define TARGET_B2400 0000013 +#define TARGET_B4800 0000014 +#define TARGET_B9600 0000015 +#define TARGET_B19200 0000016 +#define TARGET_B38400 0000017 +#define TARGET_EXTA B19200 +#define TARGET_EXTB B38400 +#define TARGET_CSIZE 0000060 +#define TARGET_CS5 0000000 +#define TARGET_CS6 0000020 +#define TARGET_CS7 0000040 +#define TARGET_CS8 0000060 +#define TARGET_CSTOPB 0000100 +#define TARGET_CREAD 0000200 +#define TARGET_PARENB 0000400 +#define TARGET_PARODD 0001000 +#define TARGET_HUPCL 0002000 +#define TARGET_CLOCAL 0004000 +#define TARGET_CBAUDEX 0010000 +#define TARGET_B57600 0010001 +#define TARGET_B115200 0010002 +#define TARGET_B230400 0010003 +#define TARGET_B460800 0010004 +#define TARGET_CIBAUD 002003600000 /* input baud rate (not used) */ +#define TARGET_CMSPAR 010000000000 /* mark or space (stick) parity */ +#define TARGET_CRTSCTS 020000000000 /* flow control */ + +/* c_lflag bits */ +#define TARGET_ISIG 0000001 +#define TARGET_ICANON 0000002 +#define TARGET_XCASE 0000004 +#define TARGET_ECHO 0000010 +#define TARGET_ECHOE 0000020 +#define TARGET_ECHOK 0000040 +#define TARGET_ECHONL 0000100 +#define TARGET_NOFLSH 0000200 +#define TARGET_TOSTOP 0000400 +#define TARGET_ECHOCTL 0001000 +#define TARGET_ECHOPRT 0002000 +#define TARGET_ECHOKE 0004000 +#define TARGET_FLUSHO 0010000 +#define TARGET_PENDIN 0040000 +#define TARGET_IEXTEN 0100000 +#define TARGET_EXTPROC 0200000 + +/* c_cc character offsets */ +#define TARGET_VINTR 0 +#define TARGET_VQUIT 1 +#define TARGET_VERASE 2 +#define TARGET_VKILL 3 +#define TARGET_VEOF 4 +#define TARGET_VTIME 5 +#define TARGET_VMIN 6 +#define TARGET_VSWTC 7 +#define TARGET_VSTART 8 +#define TARGET_VSTOP 9 +#define TARGET_VSUSP 10 +#define TARGET_VEOL 11 +#define TARGET_VREPRINT 12 +#define TARGET_VDISCARD 13 +#define TARGET_VWERASE 14 +#define TARGET_VLNEXT 15 +#define TARGET_VEOL2 16 + +/* ioctls */ + +#define TARGET_TCGETS 0x5401 +#define TARGET_TCSETS 0x5402 +#define TARGET_TCSETSW 0x5403 +#define TARGET_TCSETSF 0x5404 +#define TARGET_TCGETA 0x5405 +#define TARGET_TCSETA 0x5406 +#define TARGET_TCSETAW 0x5407 +#define TARGET_TCSETAF 0x5408 +#define TARGET_TCSBRK 0x5409 +#define TARGET_TCXONC 0x540A +#define TARGET_TCFLSH 0x540B + +#define TARGET_TIOCEXCL 0x540C +#define TARGET_TIOCNXCL 0x540D +#define TARGET_TIOCSCTTY 0x540E +#define TARGET_TIOCGPGRP 0x540F +#define TARGET_TIOCSPGRP 0x5410 +#define TARGET_TIOCOUTQ 0x5411 +#define TARGET_TIOCSTI 0x5412 +#define TARGET_TIOCGWINSZ 0x5413 +#define TARGET_TIOCSWINSZ 0x5414 +#define TARGET_TIOCMGET 0x5415 +#define TARGET_TIOCMBIS 0x5416 +#define TARGET_TIOCMBIC 0x5417 +#define TARGET_TIOCMSET 0x5418 +#define TARGET_TIOCGSOFTCAR 0x5419 +#define TARGET_TIOCSSOFTCAR 0x541A +#define TARGET_FIONREAD 0x541B +#define TARGET_TIOCINQ TARGET_FIONREAD +#define TARGET_TIOCLINUX 0x541C +#define TARGET_TIOCCONS 0x541D +#define TARGET_TIOCGSERIAL 0x541E +#define TARGET_TIOCSSERIAL 0x541F +#define TARGET_TIOCPKT 0x5420 +#define TARGET_FIONBIO 0x5421 +#define TARGET_TIOCNOTTY 0x5422 +#define TARGET_TIOCSETD 0x5423 +#define TARGET_TIOCGETD 0x5424 +#define TARGET_TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ +#define TARGET_TIOCTTYGSTRUCT 0x5426 /* For debugging only */ +#define TARGET_TIOCSBRK 0x5427 /* BSD compatibility */ +#define TARGET_TIOCCBRK 0x5428 /* BSD compatibility */ +#define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ +#define TARGET_TIOCGPTN TARGET_IOR('T', 0x30, unsigned int) + /* Get Pty Number (of pty-mux device) */ +#define TARGET_TIOCSPTLCK TARGET_IOW('T', 0x31, int) + /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) + /* Safely open the slave */ + +#define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ +#define TARGET_FIOCLEX 0x5451 +#define TARGET_FIOASYNC 0x5452 +#define TARGET_TIOCSERCONFIG 0x5453 +#define TARGET_TIOCSERGWILD 0x5454 +#define TARGET_TIOCSERSWILD 0x5455 +#define TARGET_TIOCGLCKTRMIOS 0x5456 +#define TARGET_TIOCSLCKTRMIOS 0x5457 +#define TARGET_TIOCSERGSTRUCT 0x5458 /* For debugging only */ +#define TARGET_TIOCSERGETLSR 0x5459 /* Get line status register */ +#define TARGET_TIOCSERGETMULTI 0x545A /* Get multiport config */ +#define TARGET_TIOCSERSETMULTI 0x545B /* Set multiport config */ + +#define TARGET_TIOCMIWAIT 0x545C + /* wait for a change on serial input line(s) */ +#define TARGET_TIOCGICOUNT 0x545D + /* read serial port inline interrupt counts */ +#define TARGET_TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */ +#define TARGET_TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */ + +/* Used for packet mode */ +#define TARGET_TIOCPKT_DATA 0 +#define TARGET_TIOCPKT_FLUSHREAD 1 +#define TARGET_TIOCPKT_FLUSHWRITE 2 +#define TARGET_TIOCPKT_STOP 4 +#define TARGET_TIOCPKT_START 8 +#define TARGET_TIOCPKT_NOSTOP 16 +#define TARGET_TIOCPKT_DOSTOP 32 + +#define TARGET_TIOCSER_TEMT 0x01 /* Transmitter physically empty */ + +#endif diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h index 18b031a..cc263e9 100644 --- a/linux-user/syscall_defs.h +++ b/linux-user/syscall_defs.h @@ -74,7 +74,7 @@ || defined(TARGET_M68K) || defined(TARGET_CRIS) \ || defined(TARGET_S390X) || defined(TARGET_OPENRISC) \ || defined(TARGET_NIOS2) || defined(TARGET_RISCV) \ - || defined(TARGET_XTENSA) + || defined(TARGET_XTENSA) || defined(TARGET_LOONGARCH64) #define TARGET_IOC_SIZEBITS 14 #define TARGET_IOC_DIRBITS 2 @@ -2129,7 +2129,8 @@ struct target_stat64 { abi_ulong __unused5; }; -#elif defined(TARGET_OPENRISC) || defined(TARGET_NIOS2) || defined(TARGET_RISCV) +#elif defined(TARGET_OPENRISC) || defined(TARGET_NIOS2) || \ + defined(TARGET_RISCV) || defined(TARGET_LOONGARCH64) /* These are the asm-generic versions of the stat and stat64 structures */ @@ -2327,7 +2328,8 @@ struct target_statfs64 { }; #elif (defined(TARGET_PPC64) || defined(TARGET_X86_64) || \ defined(TARGET_SPARC64) || defined(TARGET_AARCH64) || \ - defined(TARGET_RISCV)) && !defined(TARGET_ABI32) + defined(TRAGET_RISCV) || defined(TARGET_LOONGARCH64)) && \ + !defined(TARGET_ABI32) struct target_statfs { abi_long f_type; abi_long f_bsize; diff --git a/meson.build b/meson.build index 0211442..5f46f21 100644 --- a/meson.build +++ b/meson.build @@ -57,7 +57,7 @@ python = import('python').find_installation() supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux'] supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv32', 'riscv64', 'x86', 'x86_64', - 'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64'] + 'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64', 'loongarch64'] cpu = host_machine.cpu_family() targetos = host_machine.system() diff --git a/qapi/machine-target.json b/qapi/machine-target.json index e781165..22a4c4a 100644 --- a/qapi/machine-target.json +++ b/qapi/machine-target.json @@ -316,7 +316,7 @@ 'typename': 'str', '*alias-of' : 'str', 'deprecated' : 'bool' }, - 'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X) || defined(TARGET_MIPS)' } + 'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X) || defined(TARGET_MIPS) || defined(TARGET_LOONGARCH)' } ## # @query-cpu-definitions: @@ -328,4 +328,4 @@ # Since: 1.2 ## { 'command': 'query-cpu-definitions', 'returns': ['CpuDefinitionInfo'], - 'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X) || defined(TARGET_MIPS)' } + 'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X) || defined(TARGET_MIPS) || defined(TARGET_LOONGARCH)' } diff --git a/target/loongarch/meson.build b/target/loongarch/meson.build new file mode 100644 index 0000000..54d5ca2 --- /dev/null +++ b/target/loongarch/meson.build @@ -0,0 +1,19 @@ +gen = decodetree.process('insns.decode') + +loongarch_ss = ss.source_set() +loongarch_ss.add(files( + 'cpu.c', +)) +loongarch_tcg_ss = ss.source_set() +loongarch_tcg_ss.add(gen) +loongarch_tcg_ss.add(files( + 'fpu_helper.c', + 'op_helper.c', + 'tlb_helper.c', + 'translate.c', +)) +loongarch_tcg_ss.add(zlib) + +loongarch_ss.add_all(when: 'CONFIG_TCG', if_true: [loongarch_tcg_ss]) + +target_arch += {'loongarch': loongarch_ss} diff --git a/target/meson.build b/target/meson.build index 2f69402..a53a604 100644 --- a/target/meson.build +++ b/target/meson.build @@ -5,6 +5,7 @@ subdir('cris') subdir('hexagon') subdir('hppa') subdir('i386') +subdir('loongarch') subdir('m68k') subdir('microblaze') subdir('mips')