1 files changed, 162 insertions, 0 deletions
diff --git a/libgloss/xstormy16/syscalls.S b/libgloss/xstormy16/syscalls.S
new file mode 100644
index 000000000..8f4175f31
--- /dev/null
+++ b/libgloss/xstormy16/syscalls.S
@@ -0,0 +1,162 @@
+# xstormy16 system calls for the simulator
+
+#include <syscall.h>
+
+	.text
+
+	.globl _exit
+_exit:
+	mov r1,#SYS_exit
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size exit,0b-_exit
+
+	.globl _open
+_open:
+	mov r1,#SYS_open
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size open,0b-_open
+
+	.globl _close
+_close:
+	mov r1,#SYS_close
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size close,0b-_close
+
+	.globl _read
+_read:
+	mov r1,#SYS_read
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size read,0b-_read
+
+	.globl _write
+_write:
+	mov r1,#SYS_write
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size write,0b-_write
+
+	.globl _lseek
+_lseek:
+	mov r1,#SYS_lseek
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size lseek,0b-_lseek
+
+	.globl _unlink
+_unlink:
+	mov r1,#SYS_unlink
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size unlink,0b-_unlink
+
+	.globl _getpid
+_getpid:
+	mov r1,#SYS_getpid
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size getpid,0b-_getpid
+
+	.globl _kill
+_kill:
+	mov r1,#SYS_kill
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size kill,0b-_kill
+
+	.globl _fstat
+_fstat:
+	mov r1,#SYS_fstat
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size fstat,0b-_fstat
+
+	.globl _chdir
+_chdir:
+	mov r1,#SYS_chdir
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size chdir,0b-_chdir
+
+	.globl _stat
+_stat:
+	mov r1,#SYS_stat
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size stat,0b-_stat
+
+	.globl _chmod
+_chmod:
+	mov r1,#SYS_chmod
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size chmod,0b-_chmod
+
+	.globl _utime
+_utime:
+	mov r1,#SYS_utime
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size utime,0b-_utime
+
+	.globl _time
+_time:
+	mov r1,#SYS_time
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size time,0b-_time
+
+	.globl _gettimeofday
+_gettimeofday:
+	mov r1,#SYS_gettimeofday
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size gettimeofday,0b-_gettimeofday
+
+	.globl _times
+_times:
+	mov r1,#SYS_times
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size times,0b-_times
+
+	.globl _link
+_link:
+	mov r1,#SYS_link
+	.hword 0x0001
+	bnz r1,#0,syscall_error
+	ret
+0:	.size link,0b-_link
+
+syscall_error:
+# Return value for the syscall is in r2.  Save it here, as
+# _errno will overwrite it with the address of the errno
+# variable.  r0 is the errno.
+	push r2
+	push r0
+	callf __errno
+	pop r0
+	mov.w (r2),r0
+	pop r2
+	ret
+0:	.size syscall_error,0b-syscall_error