1*13428Ssam/* syscall.s 4.2 83/06/27 */ 29523Smckusick 39523Smckusick#include "SYS.h" 49523Smckusick 59523SmckusickENTRY(syscall) 69523Smckusick movl 4(ap),r0 # syscall number 79523Smckusick subl3 $1,(ap)+,(ap) # one fewer arguments 89523Smckusick chmk r0 9*13428Ssam jcs 1f 109523Smckusick ret 11*13428Ssam1: 12*13428Ssam jmp cerror 13