From: Song Gao <gaosong@loongson.cn>
To: qemu-devel@nongnu.org
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
Subject: [PATCH 20/20] target/loongarch: Add linux-user emulation support
Date: Mon, 28 Jun 2021 20:04:45 +0800 [thread overview]
Message-ID: <1624881885-31692-21-git-send-email-gaosong@loongson.cn> (raw)
In-Reply-To: <1624881885-31692-1-git-send-email-gaosong@loongson.cn>
Add files to linux-user/loongarch64
Add file to default-configs
Add loongarch to target/meson.build
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
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 <gaosong@loongson.cn>
S: Maintained
F: target/loongarch/
F: disas/loongarch.c
+F: linux-user/loongarch64/
M68K TCG CPUs
M: Laurent Vivier <laurent@vivier.eu>
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')
--
1.8.3.1
next prev parent reply other threads:[~2021-06-28 12:25 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-28 12:04 [PATCH 00/20] Add LoongArch linux-user emulation support Song Gao
2021-06-28 12:04 ` [PATCH 01/20] target/loongarch: Add README Song Gao
2021-06-28 18:40 ` Philippe Mathieu-Daudé
2021-06-29 7:33 ` Song Gao
2021-06-29 11:13 ` Alex Bennée
2021-06-30 1:09 ` Song Gao
2021-06-29 11:52 ` Peter Maydell
2021-06-30 1:22 ` Song Gao
2021-06-28 12:04 ` [PATCH 02/20] target/loongarch: Add CSR registers definition Song Gao
2021-06-28 12:04 ` [PATCH 03/20] target/loongarch: Add core definition Song Gao
2021-06-28 18:44 ` Philippe Mathieu-Daudé
2021-06-29 7:39 ` Song Gao
2021-06-28 12:04 ` [PATCH 04/20] target/loongarch: Add interrupt handling support Song Gao
2021-06-28 12:04 ` [PATCH 05/20] target/loongarch: Add memory management support Song Gao
2021-06-28 12:04 ` [PATCH 06/20] target/loongarch: Add main translation routines Song Gao
2021-06-28 18:46 ` Philippe Mathieu-Daudé
2021-06-29 8:50 ` Song Gao
2021-06-29 12:26 ` Alex Bennée
2021-06-30 1:04 ` Song Gao
2021-06-28 12:04 ` [PATCH 07/20] target/loongarch: Add fixed point arithmetic instruction translation Song Gao
2021-07-01 20:31 ` Philippe Mathieu-Daudé
2021-07-02 8:15 ` Song Gao
2021-07-02 8:51 ` Philippe Mathieu-Daudé
2021-07-02 9:16 ` Song Gao
2021-07-02 14:46 ` Richard Henderson
2021-07-05 0:45 ` Song Gao
2021-06-28 12:04 ` [PATCH 08/20] target/loongarch: Add fixed point shift " Song Gao
2021-06-28 12:04 ` [PATCH 09/20] target/loongarch: Add fixed point bit " Song Gao
2021-06-28 12:04 ` [PATCH 10/20] target/loongarch: Add fixed point load/store " Song Gao
2021-06-28 12:04 ` [PATCH 11/20] target/loongarch: Add fixed point atomic " Song Gao
2021-06-28 12:04 ` [PATCH 12/20] target/loongarch: Add fixed point extra " Song Gao
2021-06-28 12:04 ` [PATCH 13/20] target/loongarch: Add floating point arithmetic " Song Gao
2021-06-28 12:04 ` [PATCH 14/20] target/loongarch: Add floating point comparison " Song Gao
2021-06-28 12:04 ` [PATCH 15/20] target/loongarch: Add floating point conversion " Song Gao
2021-06-28 12:04 ` [PATCH 16/20] target/loongarch: Add floating point move " Song Gao
2021-06-28 12:04 ` [PATCH 17/20] target/loongarch: Add floating point load/store " Song Gao
2021-06-28 12:04 ` [PATCH 18/20] target/loongarch: Add branch " Song Gao
2021-06-28 12:04 ` [PATCH 19/20] target/loongarch: Add disassembler Song Gao
2021-06-28 12:04 ` Song Gao [this message]
2021-06-29 13:42 ` [PATCH 20/20] target/loongarch: Add linux-user emulation support Peter Maydell
2021-06-30 1:41 ` maobibo
2021-06-30 9:36 ` Alex Bennée
2021-07-01 1:07 ` maobibo
2021-07-01 6:47 ` Thomas Huth
2021-07-01 7:08 ` maobibo
2021-07-01 10:35 ` Alex Bennée
2021-07-01 10:53 ` Peter Maydell
2021-07-01 12:05 ` maobibo
2021-06-30 1:59 ` Song Gao
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