xv6-cs450/usys.S
rtm b548df152b pre-empt both user and kernel, in clock interrupt
usertest.c tests pre-emption
kill()
2006-07-11 17:39:45 +00:00

20 lines
263 B
ArmAsm

#include "syscall.h"
#include "traps.h"
#define STUB(name) \
.globl name; \
name: \
movl $SYS_ ## name, %eax; \
int $T_SYSCALL; \
ret
STUB(fork)
STUB(exit)
STUB(wait)
STUB(cons_putc)
STUB(pipe)
STUB(read)
STUB(write)
STUB(close)
STUB(block)
STUB(kill)