diff options
51 files changed, 1362 insertions, 0 deletions
diff --git a/arch/riscv64/atomic_arch.h b/arch/riscv64/atomic_arch.h new file mode 100644 index 00000000..98f12fc7 --- /dev/null +++ b/arch/riscv64/atomic_arch.h @@ -0,0 +1,34 @@ +#define a_barrier a_barrier +static inline void a_barrier() +{ + __asm__ __volatile__ ("fence rw,rw" : : : "memory"); +} + +#define a_cas a_cas +static inline int a_cas(volatile int *p, int t, int s) +{ + int old, tmp; + __asm__("\n1: lr.w.aqrl %0, %2\n" + " bne %0, %3, 1f\n" + " sc.w.aqrl %1, %4, %2\n" + " bnez %1, 1b\n" + "1:" + : "=&r"(old), "+r"(tmp), "+A"(*p) + : "r"(t), "r"(s)); + return old; +} + +#define a_cas_p a_cas_p +static inline void *a_cas_p(volatile void *p, void *t, void *s) +{ + void *old; + int tmp; + __asm__("\n1: lr.d.aqrl %0, %2\n" + " bne %0, %3, 1f\n" + " sc.d.aqrl %1, %4, %2\n" + " bnez %1, 1b\n" + "1:" + : "=&r"(old), "+r"(tmp), "+A"(*(long *)p) + : "r"(t), "r"(s)); + return old; +} diff --git a/arch/riscv64/bits/alltypes.h.in b/arch/riscv64/bits/alltypes.h.in new file mode 100644 index 00000000..ae9ba41d --- /dev/null +++ b/arch/riscv64/bits/alltypes.h.in @@ -0,0 +1,29 @@ +#define _Addr long +#define _Int64 long +#define _Reg long + +TYPEDEF __builtin_va_list va_list; +TYPEDEF __builtin_va_list __isoc_va_list; + +#ifndef __cplusplus +TYPEDEF int wchar_t; +#endif + +TYPEDEF int blksize_t; +TYPEDEF unsigned int nlink_t; + +TYPEDEF float float_t; +TYPEDEF double double_t; + +TYPEDEF struct { long long __ll; long double __ld; } max_align_t; + +TYPEDEF long time_t; +TYPEDEF long suseconds_t; + +TYPEDEF struct { union { int __i[14]; volatile int __vi[14]; unsigned long __s[7]; } __u; } pthread_attr_t; +TYPEDEF struct { union { int __i[10]; volatile int __vi[10]; volatile void *volatile __p[5]; } __u; } pthread_mutex_t; +TYPEDEF struct { union { int __i[10]; volatile int __vi[10]; volatile void *volatile __p[5]; } __u; } mtx_t; +TYPEDEF struct { union { int __i[12]; volatile int __vi[12]; void *__p[6]; } __u; } pthread_cond_t; +TYPEDEF struct { union { int __i[12]; volatile int __vi[12]; void *__p[6]; } __u; } cnd_t; +TYPEDEF struct { union { int __i[14]; volatile int __vi[14]; void *__p[7]; } __u; } pthread_rwlock_t; +TYPEDEF struct { union { int __i[8]; volatile int __vi[8]; void *__p[4]; } __u; } pthread_barrier_t; diff --git a/arch/riscv64/bits/endian.h b/arch/riscv64/bits/endian.h new file mode 100644 index 00000000..172c338f --- /dev/null +++ b/arch/riscv64/bits/endian.h @@ -0,0 +1 @@ +#define __BYTE_ORDER __LITTLE_ENDIAN diff --git a/arch/riscv64/bits/fcntl.h b/arch/riscv64/bits/fcntl.h new file mode 100644 index 00000000..ecb4d18f --- /dev/null +++ b/arch/riscv64/bits/fcntl.h @@ -0,0 +1,38 @@ +#define O_CREAT 0100 +#define O_EXCL 0200 +#define O_NOCTTY 0400 +#define O_TRUNC 01000 +#define O_APPEND 02000 +#define O_NONBLOCK 04000 +#define O_DSYNC 010000 +#define O_SYNC 04010000 +#define O_RSYNC 04010000 +#define O_DIRECTORY 0200000 +#define O_NOFOLLOW 0400000 +#define O_CLOEXEC 02000000 + +#define O_ASYNC 020000 +#define O_DIRECT 040000 +#define O_LARGEFILE 0100000 +#define O_NOATIME 01000000 +#define O_PATH 010000000 +#define O_TMPFILE 020200000 +#define O_NDELAY O_NONBLOCK + +#define F_DUPFD 0 +#define F_GETFD 1 +#define F_SETFD 2 +#define F_GETFL 3 +#define F_SETFL 4 +#define F_GETLK 5 +#define F_SETLK 6 +#define F_SETLKW 7 +#define F_SETOWN 8 +#define F_GETOWN 9 +#define F_SETSIG 10 +#define F_GETSIG 11 + +#define F_SETOWN_EX 15 +#define F_GETOWN_EX 16 + +#define F_GETOWNER_UIDS 17 diff --git a/arch/riscv64/bits/fenv.h b/arch/riscv64/bits/fenv.h new file mode 100644 index 00000000..806ec40f --- /dev/null +++ b/arch/riscv64/bits/fenv.h @@ -0,0 +1,17 @@ +#define FE_INVALID 16 +#define FE_DIVBYZERO 8 +#define FE_OVERFLOW 4 +#define FE_UNDERFLOW 2 +#define FE_INEXACT 1 + +#define FE_ALL_EXCEPT 31 + +#define FE_TONEAREST 0 +#define FE_DOWNWARD 2 +#define FE_UPWARD 3 +#define FE_TOWARDZERO 1 + +typedef unsigned int fexcept_t; +typedef unsigned int fenv_t; + +#define FE_DFL_ENV ((const fenv_t *) -1) diff --git a/arch/riscv64/bits/float.h b/arch/riscv64/bits/float.h new file mode 100644 index 00000000..719c7908 --- /dev/null +++ b/arch/riscv64/bits/float.h @@ -0,0 +1,16 @@ +#define FLT_EVAL_METHOD 0 + +#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L +#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L +#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L +#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L + +#define LDBL_MANT_DIG 113 +#define LDBL_MIN_EXP (-16381) +#define LDBL_MAX_EXP 16384 + +#define LDBL_DIG 33 +#define LDBL_MIN_10_EXP (-4931) +#define LDBL_MAX_10_EXP 4932 + +#define DECIMAL_DIG 36 diff --git a/arch/riscv64/bits/ipc.h b/arch/riscv64/bits/ipc.h new file mode 100644 index 00000000..6f3328a8 --- /dev/null +++ b/arch/riscv64/bits/ipc.h @@ -0,0 +1,14 @@ +struct ipc_perm { + key_t __ipc_perm_key; + uid_t uid; + gid_t gid; + uid_t cuid; + gid_t cgid; + mode_t mode; + unsigned short __ipc_perm_seq; + + unsigned long __pad1; + unsigned long __pad2; +}; + +#define IPC_64 0 diff --git a/arch/riscv64/bits/limits.h b/arch/riscv64/bits/limits.h new file mode 100644 index 00000000..0226588c --- /dev/null +++ b/arch/riscv64/bits/limits.h @@ -0,0 +1,7 @@ +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#define LONG_BIT 64 +#endif + +#define LONG_MAX 0x7fffffffffffffffL +#define LLONG_MAX 0x7fffffffffffffffLL diff --git a/arch/riscv64/bits/mman.h b/arch/riscv64/bits/mman.h new file mode 100644 index 00000000..36950573 --- /dev/null +++ b/arch/riscv64/bits/mman.h @@ -0,0 +1 @@ +#define MAP_32BIT 0x40 diff --git a/arch/riscv64/bits/msg.h b/arch/riscv64/bits/msg.h new file mode 100644 index 00000000..641e1703 --- /dev/null +++ b/arch/riscv64/bits/msg.h @@ -0,0 +1,13 @@ +struct msqid_ds { + struct ipc_perm msg_perm; + time_t msg_stime; + time_t msg_rtime; + time_t msg_ctime; + unsigned long msg_cbytes; + msgqnum_t msg_qnum; + msglen_t msg_qbytes; + pid_t msg_lspid; + pid_t msg_lrpid; + unsigned long __pad1; + unsigned long __pad2; +}; diff --git a/arch/riscv64/bits/posix.h b/arch/riscv64/bits/posix.h new file mode 100644 index 00000000..8068ce98 --- /dev/null +++ b/arch/riscv64/bits/posix.h @@ -0,0 +1,2 @@ +#define _POSIX_V6_LP64_OFF64 1 +#define _POSIX_V7_LP64_OFF64 1 diff --git a/arch/riscv64/bits/reg.h b/arch/riscv64/bits/reg.h new file mode 100644 index 00000000..c800788c --- /dev/null +++ b/arch/riscv64/bits/reg.h @@ -0,0 +1,8 @@ +#undef __WORDSIZE +#define __WORDSIZE 64 +#define REG_PC 0 +#define REG_RA 1 +#define REG_SP 2 +#define REG_TP 4 +#define REG_S0 8 +#define REG_A0 10 diff --git a/arch/riscv64/bits/sem.h b/arch/riscv64/bits/sem.h new file mode 100644 index 00000000..5f93c12d --- /dev/null +++ b/arch/riscv64/bits/sem.h @@ -0,0 +1,9 @@ +struct semid_ds { + struct ipc_perm sem_perm; + time_t sem_otime; + time_t sem_ctime; + unsigned short sem_nsems; + char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; + time_t __unused3; + time_t __unused4; +}; diff --git a/arch/riscv64/bits/setjmp.h b/arch/riscv64/bits/setjmp.h new file mode 100644 index 00000000..ad7e4016 --- /dev/null +++ b/arch/riscv64/bits/setjmp.h @@ -0,0 +1 @@ +typedef unsigned long __jmp_buf[26]; diff --git a/arch/riscv64/bits/shm.h b/arch/riscv64/bits/shm.h new file mode 100644 index 00000000..4c3c9fb7 --- /dev/null +++ b/arch/riscv64/bits/shm.h @@ -0,0 +1,25 @@ +#define SHMLBA 4096 + +struct shmid_ds +{ + struct ipc_perm shm_perm; + size_t shm_segsz; + time_t shm_atime; + time_t shm_dtime; + time_t shm_ctime; + pid_t shm_cpid; + pid_t shm_lpid; + unsigned long shm_nattch; + unsigned long __pad1; + unsigned long __pad2; +}; + +struct shminfo { + unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4]; +}; + +struct shm_info { + int __used_ids; + unsigned long shm_tot, shm_rss, shm_swp; + unsigned long __swap_attempts, __swap_successes; +}; diff --git a/arch/riscv64/bits/signal.h b/arch/riscv64/bits/signal.h new file mode 100644 index 00000000..4c94a8f0 --- /dev/null +++ b/arch/riscv64/bits/signal.h @@ -0,0 +1,112 @@ +#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ + || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) + +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +# define MINSIGSTKSZ 2048 +# define SIGSTKSZ 8192 +#endif + +/* gregs[0] holds the program counter. */ + +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +typedef unsigned long greg_t; +typedef unsigned long gregset_t[32]; + +struct __riscv_f_ext_state { + unsigned int f[32]; + unsigned int fcsr; +}; + +struct __riscv_d_ext_state { + unsigned long long f[32]; + unsigned int fcsr; +}; + +struct __riscv_q_ext_state { + unsigned long long f[64] __attribute__((aligned(16))); + unsigned int fcsr; + unsigned int reserved[3]; +}; + +union __riscv_fp_state { + struct __riscv_f_ext_state f; + struct __riscv_d_ext_state d; + struct __riscv_q_ext_state q; +}; + +typedef union __riscv_fp_state fpregset_t; + +typedef struct sigcontext { + gregset_t gregs; + fpregset_t fpregs; +} mcontext_t; + +#else +typedef struct { + unsigned long gregs[32]; + unsigned long long fpregs[66]; +} mcontext_t; +#endif + +struct sigaltstack { + void *ss_sp; + int ss_flags; + size_t ss_size; +}; + +typedef struct __ucontext +{ + unsigned long uc_flags; + struct __ucontext *uc_link; + stack_t uc_stack; + sigset_t uc_sigmask; + mcontext_t uc_mcontext; +} ucontext_t; + +#define SA_NOCLDSTOP 1 +#define SA_NOCLDWAIT 2 +#define SA_SIGINFO 4 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 +#define SA_RESTORER 0x04000000 + +#endif + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT SIGABRT +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED SIGSYS + +#define _NSIG 65 diff --git a/arch/riscv64/bits/socket.h b/arch/riscv64/bits/socket.h new file mode 100644 index 00000000..aae537d3 --- /dev/null +++ b/arch/riscv64/bits/socket.h @@ -0,0 +1,19 @@ +#include <endian.h> + +struct msghdr { + void *msg_name; + socklen_t msg_namelen; + struct iovec *msg_iov; + int msg_iovlen, __pad1; + void *msg_control; + socklen_t msg_controllen; + int __pad2; + int msg_flags; +}; + +struct cmsghdr { + socklen_t cmsg_len; + int __pad1; + int cmsg_level; + int cmsg_type; +}; diff --git a/arch/riscv64/bits/stat.h b/arch/riscv64/bits/stat.h new file mode 100644 index 00000000..b7f4221b --- /dev/null +++ b/arch/riscv64/bits/stat.h @@ -0,0 +1,18 @@ +struct stat { + dev_t st_dev; + ino_t st_ino; + mode_t st_mode; + nlink_t st_nlink; + uid_t st_uid; + gid_t st_gid; + dev_t st_rdev; + unsigned long __pad; + off_t st_size; + blksize_t st_blksize; + int __pad2; + blkcnt_t st_blocks; + struct timespec st_atim; + struct timespec st_mtim; + struct timespec st_ctim; + unsigned __unused[2]; +}; diff --git a/arch/riscv64/bits/stdint.h b/arch/riscv64/bits/stdint.h new file mode 100644 index 00000000..1bb147f2 --- /dev/null +++ b/arch/riscv64/bits/stdint.h @@ -0,0 +1,20 @@ +typedef int32_t int_fast16_t; +typedef int32_t int_fast32_t; +typedef uint32_t uint_fast16_t; +typedef uint32_t uint_fast32_t; + +#define INT_FAST16_MIN INT32_MIN +#define INT_FAST32_MIN INT32_MIN + +#define INT_FAST16_MAX INT32_MAX +#define INT_FAST32_MAX INT32_MAX + +#define UINT_FAST16_MAX UINT32_MAX +#define UINT_FAST32_MAX UINT32_MAX + +#define INTPTR_MIN INT64_MIN +#define INTPTR_MAX INT64_MAX +#define UINTPTR_MAX UINT64_MAX +#define PTRDIFF_MIN INT64_MIN +#define PTRDIFF_MAX INT64_MAX +#define SIZE_MAX UINT64_MAX diff --git a/arch/riscv64/bits/syscall.h.in b/arch/riscv64/bits/syscall.h.in new file mode 100644 index 00000000..03d7f86d --- /dev/null +++ b/arch/riscv64/bits/syscall.h.in @@ -0,0 +1,277 @@ +#define __NR_io_setup 0 +#define __NR_io_destroy 1 +#define __NR_io_submit 2 +#define __NR_io_cancel 3 +#define __NR_io_getevents 4 +#define __NR_setxattr 5 +#define __NR_lsetxattr 6 +#define __NR_fsetxattr 7 +#define __NR_getxattr 8 +#define __NR_lgetxattr 9 +#define __NR_fgetxattr 10 +#define __NR_listxattr 11 +#define __NR_llistxattr 12 +#define __NR_flistxattr 13 +#define __NR_removexattr 14 +#define __NR_lremovexattr 15 +#define __NR_fremovexattr 16 +#define __NR_getcwd 17 +#define __NR_lookup_dcookie 18 +#define __NR_eventfd2 19 +#define __NR_epoll_create1 20 +#define __NR_epoll_ctl 21 +#define __NR_epoll_pwait 22 +#define __NR_dup 23 +#define __NR_dup3 24 +#define __NR_fcntl 25 +#define __NR_inotify_init1 26 +#define __NR_inotify_add_watch 27 +#define __NR_inotify_rm_watch 28 +#define __NR_ioctl 29 +#define __NR_ioprio_set 30 +#define __NR_ioprio_get 31 +#define __NR_flock 32 +#define __NR_mknodat 33 +#define __NR_mkdirat 34 +#define __NR_unlinkat 35 +#define __NR_symlinkat 36 +#define __NR_linkat 37 +#define __NR_umount2 39 +#define __NR_mount 40 +#define __NR_pivot_root 41 +#define __NR_nfsservctl 42 +#define __NR_statfs 43 +#define __NR_fstatfs 44 +#define __NR_truncate 45 +#define __NR_ftruncate 46 +#define __NR_fallocate 47 +#define __NR_faccessat 48 +#define __NR_chdir 49 +#define __NR_fchdir 50 +#define __NR_chroot 51 +#define __NR_fchmod 52 +#define __NR_fchmodat 53 +#define __NR_fchownat 54 +#define __NR_fchown 55 +#define __NR_openat 56 +#define __NR_close 57 +#define __NR_vhangup 58 +#define __NR_pipe2 59 +#define __NR_quotactl 60 +#define __NR_getdents64 61 +#define __NR_lseek 62 +#define __NR_read 63 +#define __NR_write 64 +#define __NR_readv 65 +#define __NR_writev 66 +#define __NR_pread64 67 +#define __NR_pwrite64 68 +#define __NR_preadv 69 +#define __NR_pwritev 70 +#define __NR_sendfile 71 +#define __NR_pselect6 72 +#define __NR_ppoll 73 +#define __NR_signalfd4 74 +#define __NR_vmsplice 75 +#define __NR_splice 76 +#define __NR_tee 77 +#define __NR_readlinkat 78 +#define __NR_fstatat 79 +#define __NR_fstat 80 +#define __NR_sync 81 +#define __NR_fsync 82 +#define __NR_fdatasync 83 +#define __NR_sync_file_range 84 +#define __NR_timerfd_create 85 +#define __NR_timerfd_settime 86 +#define __NR_timerfd_gettime 87 +#define __NR_utimensat 88 +#define __NR_acct 89 +#define __NR_capget 90 +#define __NR_capset 91 +#define __NR_personality 92 +#define __NR_exit 93 +#define __NR_exit_group 94 +#define __NR_waitid 95 +#define __NR_set_tid_address 96 +#define __NR_unshare 97 +#define __NR_futex 98 +#define __NR_set_robust_list 99 +#define __NR_get_robust_list 100 +#define __NR_nanosleep 101 +#define __NR_getitimer 102 +#define __NR_setitimer 103 +#define __NR_kexec_load 104 +#define __NR_init_module 105 +#define __NR_delete_module 106 +#define __NR_timer_create 107 +#define __NR_timer_gettime 108 +#define __NR_timer_getoverrun 109 +#define __NR_timer_settime 110 +#define __NR_timer_delete 111 +#define __NR_clock_settime 112 +#define __NR_clock_gettime 113 +#define __NR_clock_getres 114 +#define __NR_clock_nanosleep 115 +#define __NR_syslog 116 +#define __NR_ptrace 117 +#define __NR_sched_setparam 118 +#define __NR_sched_setscheduler 119 +#define __NR_sched_getscheduler 120 +#define __NR_sched_getparam 121 +#define __NR_sched_setaffinity 122 +#define __NR_sched_getaffinity 123 +#define __NR_sched_yield 124 +#define __NR_sched_get_priority_max 125 +#define __NR_sched_get_priority_min 126 +#define __NR_sched_rr_get_interval 127 +#define __NR_restart_syscall 128 +#define __NR_kill 129 +#define __NR_tkill 130 +#define __NR_tgkill 131 +#define __NR_sigaltstack 132 +#define __NR_rt_sigsuspend 133 +#define __NR_rt_sigaction 134 +#define __NR_rt_sigprocmask 135 +#define __NR_rt_sigpending 136 +#define __NR_rt_sigtimedwait 137 +#define __NR_rt_sigqueueinfo 138 +#define __NR_rt_sigreturn 139 +#define __NR_setpriority 140 +#define __NR_getpriority 141 +#define __NR_reboot 142 +#define __NR_setregid 143 +#define __NR_setgid 144 +#define __NR_setreuid 145 +#define __NR_setuid 146 +#define __NR_setresuid 147 +#define __NR_getresuid 148 +#define __NR_setresgid 149 +#define __NR_getresgid 150 +#define __NR_setfsuid 151 +#define __NR_setfsgid 152 +#define __NR_times 153 +#define __NR_setpgid 154 +#define __NR_getpgid 155 +#define __NR_getsid 156 +#define __NR_setsid 157 +#define __NR_getgroups 158 +#define __NR_setgroups 159 +#define __NR_uname 160 +#define __NR_sethostname 161 +#define __NR_setdomainname 162 +#define __NR_getrlimit 163 +#define __NR_setrlimit 164 +#define __NR_getrusage 165 +#define __NR_umask 166 +#define __NR_prctl 167 +#define __NR_getcpu 168 +#define __NR_gettimeofday 169 +#define __NR_settimeofday 170 +#define __NR_adjtimex 171 +#define __NR_getpid 172 +#define __NR_getppid 173 +#define __NR_getuid 174 +#define __NR_geteuid 175 +#define __NR_getgid 176 +#define __NR_getegid 177 +#define __NR_gettid 178 +#define __NR_sysinfo 179 +#define __NR_mq_open 180 +#define __NR_mq_unlink 181 +#define __NR_mq_timedsend 182 +#define __NR_mq_timedreceive 183 +#define __NR_mq_notify 184 +#define __NR_mq_getsetattr 185 +#define __NR_msgget 186 +#define __NR_msgctl 187 +#define __NR_msgrcv 188 +#define __NR_msgsnd 189 +#define __NR_semget 190 +#define __NR_semctl 191 +#define __NR_semtimedop 192 +#define __NR_semop 193 +#define __NR_shmget 194 +#define __NR_shmctl 195 +#define __NR_shmat 196 +#define __NR_shmdt 197 +#define __NR_socket 198 +#define __NR_socketpair 199 +#define __NR_bind 200 +#define __NR_listen 201 +#define __NR_accept 202 +#define __NR_connect 203 +#define __NR_getsockname 204 +#define __NR_getpeername 205 +#define __NR_sendto 206 +#define __NR_recvfrom 207 +#define __NR_setsockopt 208 +#define __NR_getsockopt 209 +#define __NR_shutdown 210 +#define __NR_sendmsg 211 +#define __NR_recvmsg 212 +#define __NR_readahead 213 +#define __NR_brk 214 +#define __NR_munmap 215 +#define __NR_mremap 216 +#define __NR_add_key 217 +#define __NR_request_key 218 +#define __NR_keyctl 219 +#define __NR_clone 220 +#define __NR_execve 221 +#define __NR_mmap 222 +#define __NR_fadvise64 223 +#define __NR_swapon 224 +#define __NR_swapoff 225 +#define __NR_mprotect 226 +#define __NR_msync 227 +#define __NR_mlock 228 +#define __NR_munlock 229 +#define __NR_mlockall 230 +#define __NR_munlockall 231 +#define __NR_mincore 232 +#define __NR_madvise 233 +#define __NR_remap_file_pages 234 +#define __NR_mbind 235 +#define __NR_get_mempolicy 236 +#define __NR_set_mempolicy 237 +#define __NR_migrate_pages 238 +#define __NR_move_pages 239 +#define __NR_rt_tgsigqueueinfo 240 +#define __NR_perf_event_open 241 +#define __NR_accept4 242 +#define __NR_recvmmsg 243 +#define __NR_arch_specific_syscall 244 +#define __NR_wait4 260 +#define __NR_prlimit64 261 +#define __NR_fanotify_init 262 +#define __NR_fanotify_mark 263 +#define __NR_name_to_handle_at 264 +#define __NR_open_by_handle_at 265 +#define __NR_clock_adjtime 266 +#define __NR_syncfs 267 +#define __NR_setns 268 +#define __NR_sendmmsg 269 +#define __NR_process_vm_readv 270 +#define __NR_process_vm_writev 271 +#define __NR_kcmp 272 +#define __NR_finit_module 273 +#define __NR_sched_setattr 274 +#define __NR_sched_getattr 275 +#define __NR_renameat2 276 +#define __NR_seccomp 277 +#define __NR_getrandom 278 +#define __NR_memfd_create 279 +#define __NR_bpf 280 +#define __NR_execveat 281 +#define __NR_userfaultfd 282 +#define __NR_membarrier 283 +#define __NR_mlock2 284 +#define __NR_copy_file_range 285 +#define __NR_preadv2 286 +#define __NR_pwritev2 287 +#define __NR_pkey_mprotect 288 +#define __NR_pkey_alloc 289 +#define __NR_pkey_free 290 +#define __NR_sysriscv __NR_arch_specific_syscall +#define __NR_riscv_flush_icache (__NR_sysriscv + 15) diff --git a/arch/riscv64/bits/user.h b/arch/riscv64/bits/user.h new file mode 100644 index 00000000..bd0f0fc7 --- /dev/null +++ b/arch/riscv64/bits/user.h @@ -0,0 +1,43 @@ +struct user_regs_struct { + unsigned long pc; + unsigned long ra; + unsigned long sp; + unsigned long gp; + unsigned long tp; + unsigned long t0; + unsigned long t1; + unsigned long t2; + unsigned long s0; + unsigned long s1; + unsigned long a0; + unsigned long a1; + unsigned long a2; + unsigned long a3; + unsigned long a4; + unsigned long a5; + unsigned long a6; + unsigned long a7; + unsigned long s2; + unsigned long s3; + unsigned long s4; + unsigned long s5; + unsigned long s6; + unsigned long s7; + unsigned long s8; + unsigned long s9; + unsigned long s10; + unsigned long s11; + unsigned long t3; + unsigned long t4; + unsigned long t5; + unsigned long t6; +}; + +struct user_fpregs_struct { + double f[32]; + unsigned int fcsr; +}; + +#define ELF_NGREG 32 +typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NGREG]; +typedef struct user_fpregs_struct elf_fpregset_t; diff --git a/arch/riscv64/crt_arch.h b/arch/riscv64/crt_arch.h new file mode 100644 index 00000000..6b93fcfd --- /dev/null +++ b/arch/riscv64/crt_arch.h @@ -0,0 +1,19 @@ +__asm__( +".section .sdata,\"aw\"\n" +".text\n" +".global " START "\n" +".type " START ",%function\n" +START ":\n" +".weak __global_pointer$\n" +".hidden __global_pointer$\n" +".option push\n" +".option norelax\n\t" +"lla gp, __global_pointer$\n" +".option pop\n\t" +"mv a0, sp\n" +".weak _DYNAMIC\n" +".hidden _DYNAMIC\n\t" +"lla a1, _DYNAMIC\n\t" +"andi sp, sp, -16\n\t" +"tail " START "_c" +); diff --git a/arch/riscv64/pthread_arch.h b/arch/riscv64/pthread_arch.h new file mode 100644 index 00000000..1268b72d --- /dev/null +++ b/arch/riscv64/pthread_arch.h @@ -0,0 +1,14 @@ +static inline struct pthread *__pthread_self() +{ + char *tp; + __asm__ __volatile__("mv %0, tp" : "=r"(tp)); + return (void *)(tp - sizeof(struct pthread)); +} + +#define TLS_ABOVE_TP +#define GAP_ABOVE_TP 0 +#define TP_ADJ(p) ((char *)p + sizeof(struct pthread)) + +#define DTP_OFFSET 0x800 + +#define MC_PC gregs[0] diff --git a/arch/riscv64/reloc.h b/arch/riscv64/reloc.h new file mode 100644 index 00000000..1ca13811 --- /dev/null +++ b/arch/riscv64/reloc.h @@ -0,0 +1,22 @@ +#if defined __riscv_float_abi_soft +#define RISCV_FP_SUFFIX "-sf" +#elif defined __riscv_float_abi_single +#define RISCV_FP_SUFFIX "-sp" +#elif defined __riscv_float_abi_double +#define RISCV_FP_SUFFIX "" +#endif + +#define LDSO_ARCH "riscv64" RISCV_FP_SUFFIX + +#define TPOFF_K 0 + +#define REL_SYMBOLIC R_RISCV_64 +#define REL_PLT R_RISCV_JUMP_SLOT +#define REL_RELATIVE R_RISCV_RELATIVE +#define REL_COPY R_RISCV_COPY +#define REL_DTPMOD R_RISCV_TLS_DTPMOD64 +#define REL_DTPOFF R_RISCV_TLS_DTPREL64 +#define REL_TPOFF R_RISCV_TLS_TPREL64 + +#define CRTJMP(pc,sp) __asm__ __volatile__( \ + "mv sp, %1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" ) diff --git a/arch/riscv64/syscall_arch.h b/arch/riscv64/syscall_arch.h new file mode 100644 index 00000000..1aaeb631 --- /dev/null +++ b/arch/riscv64/syscall_arch.h @@ -0,0 +1,76 @@ +#define __SYSCALL_LL_E(x) (x) +#define __SYSCALL_LL_O(x) (x) + +#define __asm_syscall(...) \ + __asm__ __volatile__ ("ecall\n\t" \ + : "+r"(a0) : __VA_ARGS__ : "memory"); \ + return a0; \ + +static inline long __syscall0(long n) +{ + register long a7 __asm__("a7") = n; + register long a0 __asm__("a0"); + __asm_syscall("r"(a7)) +} + +static inline long __syscall1(long n, long a) +{ + register long a7 __asm__("a7") = n; + register long a0 __asm__("a0") = a; + __asm_syscall("r"(a7), "0"(a0)) +} + +static inline long __syscall2(long n, long a, long b) +{ + register long a7 __asm__("a7") = n; + register long a0 __asm__("a0") = a; + register long a1 __asm__("a1") = b; + __asm_syscall("r"(a7), "0"(a0), "r"(a1)) +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register long a7 __asm__("a7") = n; + register long a0 __asm__("a0") = a; + register long a1 __asm__("a1") = b; + register long a2 __asm__("a2") = c; + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2)) +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register long a7 __asm__("a7") = n; + register long a0 __asm__("a0") = a; + register long a1 __asm__("a1") = b; + register long a2 __asm__("a2") = c; + register long a3 __asm__("a3") = d; + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3)) +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + register long a7 __asm__("a7") = n; + register long a0 __asm__("a0") = a; + register long a1 __asm__("a1") = b; + register long a2 __asm__("a2") = c; + register long a3 __asm__("a3") = d; + register long a4 __asm__("a4") = e; + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4)) +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + register long a7 __asm__("a7") = n; + register long a0 __asm__("a0") = a; + register long a1 __asm__("a1") = b; + register long a2 __asm__("a2") = c; + register long a3 __asm__("a3") = d; + register long a4 __asm__("a4") = e; + register long a5 __asm__("a5") = f; + __asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5)) +} + +#define VDSO_USEFUL +/* We don't have a clock_gettime function. +#define VDSO_CGT_SYM "__vdso_clock_gettime" +#define VDSO_CGT_VER "LINUX_2.6" */ @@ -322,6 +322,7 @@ microblaze*) ARCH=microblaze ;; or1k*) ARCH=or1k ;; powerpc64*|ppc64*) ARCH=powerpc64 ;; powerpc*|ppc*) ARCH=powerpc ;; +riscv64*) ARCH=riscv64 ;; sh[1-9bel-]*|sh|superh*) ARCH=sh ;; s390x*) ARCH=s390x ;; unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;; @@ -654,6 +655,11 @@ trycppif __LITTLE_ENDIAN__ "$t" && SUBARCH=${SUBARCH}le trycppif _SOFT_FLOAT "$t" && fail "$0: error: soft-float not supported on powerpc64" fi +if test "$ARCH" = "riscv64" ; then +trycppif __riscv_float_abi_soft "$t" && SUBARCH=${SUBARCH}-sf +trycppif __riscv_float_abi_single "$t" && SUBARCH=${SUBARCH}-sp +fi + if test "$ARCH" = "sh" ; then tryflag CFLAGS_AUTO -Wa,--isa=any trycppif __BIG_ENDIAN__ "$t" && SUBARCH=${SUBARCH}eb diff --git a/include/elf.h b/include/elf.h index aad522e4..41e6e0c3 100644 --- a/include/elf.h +++ b/include/elf.h @@ -3226,6 +3226,62 @@ enum #define R_BPF_NONE 0 #define R_BPF_MAP_FD 1 +#define R_RISCV_NONE 0 +#define R_RISCV_32 1 +#define R_RISCV_64 2 +#define R_RISCV_RELATIVE 3 +#define R_RISCV_COPY 4 +#define R_RISCV_JUMP_SLOT 5 +#define R_RISCV_TLS_DTPMOD32 6 +#define R_RISCV_TLS_DTPMOD64 7 +#define R_RISCV_TLS_DTPREL32 8 +#define R_RISCV_TLS_DTPREL64 9 +#define R_RISCV_TLS_TPREL32 10 +#define R_RISCV_TLS_TPREL64 11 + +#define R_RISCV_BRANCH 16 +#define R_RISCV_JAL 17 +#define R_RISCV_CALL 18 +#define R_RISCV_CALL_PLT 19 +#define R_RISCV_GOT_HI20 20 +#define R_RISCV_TLS_GOT_HI20 21 +#define R_RISCV_TLS_GD_HI20 22 +#define R_RISCV_PCREL_HI20 23 +#define R_RISCV_PCREL_LO12_I 24 +#define R_RISCV_PCREL_LO12_S 25 +#define R_RISCV_HI20 26 +#define R_RISCV_LO12_I 27 +#define R_RISCV_LO12_S 28 +#define R_RISCV_TPREL_HI20 29 +#define R_RISCV_TPREL_LO12_I 30 +#define R_RISCV_TPREL_LO12_S 31 +#define R_RISCV_TPREL_ADD 32 +#define R_RISCV_ADD8 33 +#define R_RISCV_ADD16 34 +#define R_RISCV_ADD32 35 +#define R_RISCV_ADD64 36 +#define R_RISCV_SUB8 37 +#define R_RISCV_SUB16 38 +#define R_RISCV_SUB32 39 +#define R_RISCV_SUB64 40 +#define R_RISCV_GNU_VTINHERIT 41 +#define R_RISCV_GNU_VTENTRY 42 +#define R_RISCV_ALIGN 43 +#define R_RISCV_RVC_BRANCH 44 +#define R_RISCV_RVC_JUMP 45 +#define R_RISCV_RVC_LUI 46 +#define R_RISCV_GPREL_I 47 +#define R_RISCV_GPREL_S 48 +#define R_RISCV_TPREL_I 49 +#define R_RISCV_TPREL_S 50 +#define R_RISCV_RELAX 51 +#define R_RISCV_SUB6 52 +#define R_RISCV_SET6 53 +#define R_RISCV_SET8 54 +#define R_RISCV_SET16 55 +#define R_RISCV_SET32 56 +#define R_RISCV_32_PCREL 57 + #ifdef __cplusplus } #endif diff --git a/src/fenv/riscv64/fenv-sf.c b/src/fenv/riscv64/fenv-sf.c new file mode 100644 index 00000000..ecd3cb5c --- /dev/null +++ b/src/fenv/riscv64/fenv-sf.c @@ -0,0 +1,3 @@ +#ifndef __riscv_flen +#include "../fenv.c" +#endif diff --git a/src/fenv/riscv64/fenv.S b/src/fenv/riscv64/fenv.S new file mode 100644 index 00000000..f149003d --- /dev/null +++ b/src/fenv/riscv64/fenv.S @@ -0,0 +1,53 @@ +#ifdef __riscv_flen + +.global feclearexcept +.type feclearexcept, %function +feclearexcept: + csrc fflags, a0 + li a0, 0 + ret + +.global feraiseexcept +.type feraiseexcept, %function +feraiseexcept: + csrs fflags, a0 + li a0, 0 + ret + +.global fetestexcept +.type fetestexcept, %function +fetestexcept: + frflags t0 + and a0, t0, a0 + ret + +.global fegetround +.type fegetround, %function +fegetround: + frrm a0 + ret + +.global __fesetround +.type __fesetround, %function +__fesetround: + fsrm t0, a0 + li a0, 0 + ret + +.global fegetenv +.type fegetenv, %function +fegetenv: + frcsr t0 + sw t0, 0(a0) + li a0, 0 + ret + +.global fesetenv +.type fesetenv, %function +fesetenv: + lw t1, 0(a0) + fscsr t0, t1 + li a0, 0 + ret + +#endif diff --git a/src/ldso/riscv64/dlsym.s b/src/ldso/riscv64/dlsym.s new file mode 100644 index 00000000..2bafd72d --- /dev/null +++ b/src/ldso/riscv64/dlsym.s @@ -0,0 +1,6 @@ +.global dlsym +.hidden __dlsym +.type dlsym, %function +dlsym: + mv a2, ra + tail __dlsym diff --git a/src/linux/cache.c b/src/linux/cache.c index 84a138a4..0eb051c2 100644 --- a/src/linux/cache.c +++ b/src/linux/cache.c @@ -1,4 +1,6 @@ +#include <errno.h> #include "syscall.h" +#include "atomic.h" #ifdef SYS_cacheflush int _flush_cache(void *addr, int len, int op) @@ -15,3 +17,34 @@ int __cachectl(void *addr, int len, int op) } weak_alias(__cachectl, cachectl); #endif + +#ifdef SYS_riscv_flush_icache + +#define VDSO_FLUSH_ICACHE_SYM "__vdso_flush_icache" +#define VDSO_FLUSH_ICACHE_VER "LINUX_4.5" + +static void *volatile vdso_func; + +static int flush_icache_init(void *start, void *end, unsigned long int flags) +{ + void *p = __vdsosym(VDSO_FLUSH_ICACHE_VER, VDSO_FLUSH_ICACHE_SYM); + int (*f)(void *, void *, unsigned long int) = + (int (*)(void *, void *, unsigned long int))p; + a_cas_p(&vdso_func, (void *)flush_icache_init, p); + return f ? f(start, end, flags) : -ENOSYS; +} + +static void *volatile vdso_func = (void *)flush_icache_init; + +int __riscv_flush_icache(void *start, void *end, unsigned long int flags) +{ + int (*f)(void *, void *, unsigned long int) = + (int (*)(void *, void *, unsigned long int))vdso_func; + if (f) { + int r = f(start, end, flags); + if (!r) return r; + if (r != -ENOSYS) return __syscall_ret(r); + } +} +weak_alias(__riscv_flush_icache, riscv_flush_icache); +#endif diff --git a/src/math/riscv64/copysign.c b/src/math/riscv64/copysign.c new file mode 100644 index 00000000..c7854178 --- /dev/null +++ b/src/math/riscv64/copysign.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +double copysign(double x, double y) +{ + __asm__ ("fsgnj.d %0, %1, %2" : "=f"(x) : "f"(x), "f"(y)); + return x; +} + +#else + +#include "../copysign.c" + +#endif diff --git a/src/math/riscv64/copysignf.c b/src/math/riscv64/copysignf.c new file mode 100644 index 00000000..a125611a --- /dev/null +++ b/src/math/riscv64/copysignf.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +float copysignf(float x, float y) +{ + __asm__ ("fsgnj.s %0, %1, %2" : "=f"(x) : "f"(x), "f"(y)); + return x; +} + +#else + +#include "../copysignf.c" + +#endif diff --git a/src/math/riscv64/fabs.c b/src/math/riscv64/fabs.c new file mode 100644 index 00000000..5290b6f0 --- /dev/null +++ b/src/math/riscv64/fabs.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +double fabs(double x) +{ + __asm__ ("fabs.d %0, %1" : "=f"(x) : "f"(x)); + return x; +} + +#else + +#include "../fabs.c" + +#endif diff --git a/src/math/riscv64/fabsf.c b/src/math/riscv64/fabsf.c new file mode 100644 index 00000000..f5032e35 --- /dev/null +++ b/src/math/riscv64/fabsf.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +float fabsf(float x) +{ + __asm__ ("fabs.s %0, %1" : "=f"(x) : "f"(x)); + return x; +} + +#else + +#include "../fabsf.c" + +#endif diff --git a/src/math/riscv64/fma.c b/src/math/riscv64/fma.c new file mode 100644 index 00000000..99b05713 --- /dev/null +++ b/src/math/riscv64/fma.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +double fma(double x, double y, double z) +{ + __asm__ ("fmadd.d %0, %1, %2, %3" : "=f"(x) : "f"(x), "f"(y), "f"(z)); + return x; +} + +#else + +#include "../fma.c" + +#endif diff --git a/src/math/riscv64/fmaf.c b/src/math/riscv64/fmaf.c new file mode 100644 index 00000000..f9dc47ed --- /dev/null +++ b/src/math/riscv64/fmaf.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +float fmaf(float x, float y, float z) +{ + __asm__ ("fmadd.s %0, %1, %2, %3" : "=f"(x) : "f"(x), "f"(y), "f"(z)); + return x; +} + +#else + +#include "../fmaf.c" + +#endif diff --git a/src/math/riscv64/fmax.c b/src/math/riscv64/fmax.c new file mode 100644 index 00000000..023709cd --- /dev/null +++ b/src/math/riscv64/fmax.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +double fmax(double x, double y) +{ + __asm__ ("fmax.d %0, %1, %2" : "=f"(x) : "f"(x), "f"(y)); + return x; +} + +#else + +#include "../fmax.c" + +#endif diff --git a/src/math/riscv64/fmaxf.c b/src/math/riscv64/fmaxf.c new file mode 100644 index 00000000..863d2bd1 --- /dev/null +++ b/src/math/riscv64/fmaxf.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +float fmaxf(float x, float y) +{ + __asm__ ("fmax.s %0, %1, %2" : "=f"(x) : "f"(x), "f"(y)); + return x; +} + +#else + +#include "../fmaxf.c" + +#endif diff --git a/src/math/riscv64/fmin.c b/src/math/riscv64/fmin.c new file mode 100644 index 00000000..a4e3b067 --- /dev/null +++ b/src/math/riscv64/fmin.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +double fmin(double x, double y) +{ + __asm__ ("fmin.d %0, %1, %2" : "=f"(x) : "f"(x), "f"(y)); + return x; +} + +#else + +#include "../fmin.c" + +#endif diff --git a/src/math/riscv64/fminf.c b/src/math/riscv64/fminf.c new file mode 100644 index 00000000..32156e80 --- /dev/null +++ b/src/math/riscv64/fminf.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +float fminf(float x, float y) +{ + __asm__ ("fmin.s %0, %1, %2" : "=f"(x) : "f"(x), "f"(y)); + return x; +} + +#else + +#include "../fminf.c" + +#endif diff --git a/src/math/riscv64/sqrt.c b/src/math/riscv64/sqrt.c new file mode 100644 index 00000000..867a504c --- /dev/null +++ b/src/math/riscv64/sqrt.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 64 + +double sqrt(double x) +{ + __asm__ ("fsqrt.d %0, %1" : "=f"(x) : "f"(x)); + return x; +} + +#else + +#include "../sqrt.c" + +#endif diff --git a/src/math/riscv64/sqrtf.c b/src/math/riscv64/sqrtf.c new file mode 100644 index 00000000..610c2cf8 --- /dev/null +++ b/src/math/riscv64/sqrtf.c @@ -0,0 +1,15 @@ +#include <math.h> + +#if __riscv_flen >= 32 + +float sqrtf(float x) +{ + __asm__ ("fsqrt.s %0, %1" : "=f"(x) : "f"(x)); + return x; +} + +#else + +#include "../sqrtf.c" + +#endif diff --git a/src/setjmp/riscv64/longjmp.S b/src/setjmp/riscv64/longjmp.S new file mode 100644 index 00000000..41e2d210 --- /dev/null +++ b/src/setjmp/riscv64/longjmp.S @@ -0,0 +1,42 @@ +.global __longjmp +.global _longjmp +.global longjmp +.type __longjmp, %function +.type _longjmp, %function +.type longjmp, %function +__longjmp: +_longjmp: +longjmp: + ld s0, 0(a0) + ld s1, 8(a0) + ld s2, 16(a0) + ld s3, 24(a0) + ld s4, 32(a0) + ld s5, 40(a0) + ld s6, 48(a0) + ld s7, 56(a0) + ld s8, 64(a0) + ld s9, 72(a0) + ld s10, 80(a0) + ld s11, 88(a0) + ld sp, 96(a0) + ld ra, 104(a0) + +#ifndef __riscv_float_abi_soft + fld fs0, 112(a0) + fld fs1, 120(a0) + fld fs2, 128(a0) + fld fs3, 136(a0) + fld fs4, 144(a0) + fld fs5, 152(a0) + fld fs6, 160(a0) + fld fs7, 168(a0) + fld fs8, 176(a0) + fld fs9, 184(a0) + fld fs10, 192(a0) + fld fs11, 200(a0) +#endif + + seqz a0, a1 + add a0, a0, a1 + ret diff --git a/src/setjmp/riscv64/setjmp.S b/src/setjmp/riscv64/setjmp.S new file mode 100644 index 00000000..51249672 --- /dev/null +++ b/src/setjmp/riscv64/setjmp.S @@ -0,0 +1,41 @@ +.global __setjmp +.global _setjmp +.global setjmp +.type __setjmp, %function +.type _setjmp, %function +.type setjmp, %function +__setjmp: +_setjmp: +setjmp: + sd s0, 0(a0) + sd s1, 8(a0) + sd s2, 16(a0) + sd s3, 24(a0) + sd s4, 32(a0) + sd s5, 40(a0) + sd s6, 48(a0) + sd s7, 56(a0) + sd s8, 64(a0) + sd s9, 72(a0) + sd s10, 80(a0) + sd s11, 88(a0) + sd sp, 96(a0) + sd ra, 104(a0) + +#ifndef __riscv_float_abi_soft + fsd fs0, 112(a0) + fsd fs1, 120(a0) + fsd fs2, 128(a0) + fsd fs3, 136(a0) + fsd fs4, 144(a0) + fsd fs5, 152(a0) + fsd fs6, 160(a0) + fsd fs7, 168(a0) + fsd fs8, 176(a0) + fsd fs9, 184(a0) + fsd fs10, 192(a0) + fsd fs11, 200(a0) +#endif + + li a0, 0 + ret diff --git a/src/signal/riscv64/restore.s b/src/signal/riscv64/restore.s new file mode 100644 index 00000000..40012c75 --- /dev/null +++ b/src/signal/riscv64/restore.s @@ -0,0 +1,8 @@ +.global __restore +.type __restore, %function +__restore: +.global __restore_rt +.type __restore_rt, %function +__restore_rt: + li a7, 139 # SYS_rt_sigreturn + ecall diff --git a/src/signal/riscv64/sigsetjmp.s b/src/signal/riscv64/sigsetjmp.s new file mode 100644 index 00000000..f9bc162a --- /dev/null +++ b/src/signal/riscv64/sigsetjmp.s @@ -0,0 +1,23 @@ +.global sigsetjmp +.global __sigsetjmp +.type sigsetjmp, %function +.type __sigsetjmp, %function +sigsetjmp: +__sigsetjmp: + bnez a1, 1f + tail setjmp +1: + + sd ra, 208(a0) + sd s0, 224(a0) + mv s0, a0 + + call setjmp + + mv a1, a0 + mv a0, s0 + ld s0, 224(a0) + ld ra, 208(a0) + +.hidden __sigsetjmp_tail + tail __sigsetjmp_tail diff --git a/src/thread/riscv64/__set_thread_area.s b/src/thread/riscv64/__set_thread_area.s new file mode 100644 index 00000000..828154d2 --- /dev/null +++ b/src/thread/riscv64/__set_thread_area.s @@ -0,0 +1,6 @@ +.global __set_thread_area +.type __set_thread_area, %function +__set_thread_area: + mv tp, a0 + li a0, 0 + ret diff --git a/src/thread/riscv64/__unmapself.s b/src/thread/riscv64/__unmapself.s new file mode 100644 index 00000000..2849119c --- /dev/null +++ b/src/thread/riscv64/__unmapself.s @@ -0,0 +1,7 @@ +.global __unmapself +.type __unmapself, %function +__unmapself: + li a7, 215 # SYS_munmap + ecall + li a7, 93 # SYS_exit + ecall diff --git a/src/thread/riscv64/clone.s b/src/thread/riscv64/clone.s new file mode 100644 index 00000000..db908248 --- /dev/null +++ b/src/thread/riscv64/clone.s @@ -0,0 +1,34 @@ +# __clone(func, stack, flags, arg, ptid, tls, ctid) +# a0, a1, a2, a3, a4, a5, a6 + +# syscall(SYS_clone, flags, stack, ptid, tls, ctid) +# a7 a0, a1, a2, a3, a4 + +.global __clone +.type __clone, %function +__clone: + # Save func and arg to stack + addi a1, a1, -16 + sd a0, 0(a1) + sd a3, 8(a1) + + # Call SYS_clone + mv a0, a2 + mv a2, a4 + mv a3, a5 + mv a4, a6 + li a7, 220 # SYS_clone + ecall + + beqz a0, 1f + # Parent + ret + + # Child +1: ld a1, 0(sp) + ld a0, 8(sp) + jalr a1 + + # Exit + li a7, 93 # SYS_exit + ecall diff --git a/src/thread/riscv64/syscall_cp.s b/src/thread/riscv64/syscall_cp.s new file mode 100644 index 00000000..eeef6391 --- /dev/null +++ b/src/thread/riscv64/syscall_cp.s @@ -0,0 +1,29 @@ +.global __cp_begin +.hidden __cp_begin +.global __cp_end +.hidden __cp_end +.global __cp_cancel +.hidden __cp_cancel +.hidden __cancel +.global __syscall_cp_asm +.hidden __syscall_cp_asm +.type __syscall_cp_asm, %function +__syscall_cp_asm: +__cp_begin: + lw t0, 0(a0) + bnez t0, __cp_cancel + + mv t0, a1 + mv a0, a2 + mv a1, a3 + mv a2, a4 + mv a3, a5 + mv a4, a6 + mv a5, a7 + ld a6, 0(sp) + mv a7, t0 + ecall +__cp_end: + ret +__cp_cancel: + tail __cancel |