diff options
-rw-r--r-- | linux-user/main.c | 3 | ||||
-rw-r--r-- | linux-user/signal.c | 55 | ||||
-rw-r--r-- | linux-user/syscall.c | 36 | ||||
-rw-r--r-- | linux-user/xtensa/target_structs.h | 37 |
4 files changed, 82 insertions, 49 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index ba09b7d..8907a84 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -4006,6 +4006,9 @@ void cpu_loop(CPUXtensaState *env) break; case -TARGET_ERESTARTSYS: + env->pc -= 3; + break; + case -TARGET_QEMU_ESIGRETURN: break; } diff --git a/linux-user/signal.c b/linux-user/signal.c index 2ea3e03..33d5ced 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -7094,52 +7094,45 @@ static abi_ulong get_sigframe(struct target_sigaction *sa, static int flush_window_regs(CPUXtensaState *env) { - const uint32_t nareg_mask = env->config->nareg - 1; uint32_t wb = env->sregs[WINDOW_BASE]; - uint32_t ws = (xtensa_replicate_windowstart(env) >> (wb + 1)) & - ((1 << env->config->nareg / 4) - 1); - uint32_t d = ctz32(ws) + 1; - uint32_t sp; - abi_long ret = 0; - - wb += d; - ws >>= d; + uint32_t ws = xtensa_replicate_windowstart(env) >> (wb + 1); + unsigned d = ctz32(ws) + 1; + unsigned i; + int ret = 0; - xtensa_sync_phys_from_window(env); - sp = env->phys_regs[(wb * 4 + 1) & nareg_mask]; + for (i = d; i < env->config->nareg / 4; i += d) { + uint32_t ssp, osp; + unsigned j; - while (ws && ret == 0) { - int d; - int i; - int idx; + ws >>= d; + xtensa_rotate_window(env, d); if (ws & 0x1) { - ws >>= 1; + ssp = env->regs[5]; d = 1; } else if (ws & 0x2) { - ws >>= 2; + ssp = env->regs[9]; + ret |= get_user_ual(osp, env->regs[1] - 12); + osp -= 32; d = 2; - for (i = 0; i < 4; ++i) { - idx = (wb * 4 + 4 + i) & nareg_mask; - ret |= put_user_ual(env->phys_regs[idx], sp + (i - 12) * 4); - } } else if (ws & 0x4) { - ws >>= 3; + ssp = env->regs[13]; + ret |= get_user_ual(osp, env->regs[1] - 12); + osp -= 48; d = 3; - for (i = 0; i < 8; ++i) { - idx = (wb * 4 + 4 + i) & nareg_mask; - ret |= put_user_ual(env->phys_regs[idx], sp + (i - 16) * 4); - } } else { g_assert_not_reached(); } - sp = env->phys_regs[((wb + d) * 4 + 1) & nareg_mask]; - for (i = 0; i < 4; ++i) { - idx = (wb * 4 + i) & nareg_mask; - ret |= put_user_ual(env->phys_regs[idx], sp + (i - 4) * 4); + + for (j = 0; j < 4; ++j) { + ret |= put_user_ual(env->regs[j], ssp - 16 + j * 4); + } + for (j = 4; j < d * 4; ++j) { + ret |= put_user_ual(env->regs[j], osp - 16 + j * 4); } - wb += d; } + xtensa_rotate_window(env, d); + g_assert(env->sregs[WINDOW_BASE] == wb); return ret == 0; } diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 889abbd..5ef5176 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6346,6 +6346,10 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, ts = g_new0(TaskState, 1); init_task_state(ts); + + /* Grab a mutex so that thread setup appears atomic. */ + pthread_mutex_lock(&clone_lock); + /* we create a new CPU instance. */ new_env = cpu_copy(env); /* Init regs that differ from the parent. */ @@ -6364,9 +6368,6 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, cpu_set_tls (new_env, newtls); } - /* Grab a mutex so that thread setup appears atomic. */ - pthread_mutex_lock(&clone_lock); - memset(&info, 0, sizeof(info)); pthread_mutex_init(&info.mutex, NULL); pthread_mutex_lock(&info.mutex); @@ -11508,7 +11509,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, #ifdef TARGET_NR_fadvise64_64 case TARGET_NR_fadvise64_64: -#if defined(TARGET_PPC) +#if defined(TARGET_PPC) || defined(TARGET_XTENSA) /* 6 args: fd, advice, offset (high, low), len (high, low) */ ret = arg2; arg2 = arg3; @@ -11877,13 +11878,25 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, goto unimplemented_nowarn; #endif +#ifdef TARGET_NR_clock_settime + case TARGET_NR_clock_settime: + { + struct timespec ts; + + ret = target_to_host_timespec(&ts, arg2); + if (!is_error(ret)) { + ret = get_errno(clock_settime(arg1, &ts)); + } + break; + } +#endif #ifdef TARGET_NR_clock_gettime case TARGET_NR_clock_gettime: { struct timespec ts; ret = get_errno(clock_gettime(arg1, &ts)); if (!is_error(ret)) { - host_to_target_timespec(arg2, &ts); + ret = host_to_target_timespec(arg2, &ts); } break; } @@ -12091,15 +12104,16 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, { struct mq_attr posix_mq_attr_in, posix_mq_attr_out; ret = 0; - if (arg3 != 0) { - ret = mq_getattr(arg1, &posix_mq_attr_out); - copy_to_user_mq_attr(arg3, &posix_mq_attr_out); - } if (arg2 != 0) { copy_from_user_mq_attr(&posix_mq_attr_in, arg2); - ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); + ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, + &posix_mq_attr_out)); + } else if (arg3 != 0) { + ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); + } + if (ret == 0 && arg3 != 0) { + copy_to_user_mq_attr(arg3, &posix_mq_attr_out); } - } break; #endif diff --git a/linux-user/xtensa/target_structs.h b/linux-user/xtensa/target_structs.h index 020e20e..1b3d9ca 100644 --- a/linux-user/xtensa/target_structs.h +++ b/linux-user/xtensa/target_structs.h @@ -8,21 +8,44 @@ struct target_ipc_perm { 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_ulong __seq; /* Sequence number. */ + abi_ulong __unused1; + abi_ulong __unused2; +}; + +struct target_semid64_ds { + struct target_ipc_perm sem_perm; +#ifdef TARGET_WORDS_BIGENDIAN + abi_ulong __unused1; + abi_ulong sem_otime; + abi_ulong __unused2; + abi_ulong sem_ctime; +#else + abi_ulong sem_otime; + abi_ulong __unused1; + abi_ulong sem_ctime; + abi_ulong __unused2; +#endif + abi_ulong sem_nsems; + abi_ulong __unused3; + abi_ulong __unused4; }; +#define TARGET_SEMID64_DS struct target_shmid_ds { struct target_ipc_perm shm_perm; /* operation permission struct */ - abi_int shm_segsz; /* size of segment in bytes */ + abi_long shm_segsz; /* size of segment in bytes */ abi_long shm_atime; /* time of last shmat() */ + abi_ulong __unused1; abi_long shm_dtime; /* time of last shmdt() */ - abi_long shm_ctime; /* time of last change by shmctl() */ - abi_ushort shm_cpid; /* pid of creator */ - abi_ushort shm_lpid; /* pid of last shmop */ - abi_ushort shm_nattch; /* number of current attaches */ - abi_ushort shm_unused; /* compatibility */ abi_ulong __unused2; + abi_long shm_ctime; /* time of last change by shmctl() */ abi_ulong __unused3; + abi_uint shm_cpid; /* pid of creator */ + abi_uint shm_lpid; /* pid of last shmop */ + abi_ulong shm_nattch; /* number of current attaches */ + abi_ulong __unused4; + abi_ulong __unused5; }; #endif |