Mercurial > hg > Members > shivanidubey > xv6
view src/usr/usys.S @ 13:16f496e8b857
implement ticks syscall
author | anatofuz |
---|---|
date | Sat, 22 Jun 2019 13:19:06 +0900 |
parents | 3819f339c48a |
children |
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#include "syscall.h" #define SYSCALL(name) \ .globl name; \ name: \ PUSH {r4};\ MOV r4, r3;\ MOV r3, r2;\ MOV r2, r1;\ MOV r1, r0;\ MOV r0, #SYS_ ## name;\ swi 0x00;\ POP {r4};\ bx lr; SYSCALL(fork) SYSCALL(exit) SYSCALL(wait) SYSCALL(pipe) SYSCALL(read) SYSCALL(write) SYSCALL(close) SYSCALL(kill) SYSCALL(exec) SYSCALL(open) SYSCALL(mknod) SYSCALL(unlink) SYSCALL(fstat) SYSCALL(link) SYSCALL(mkdir) SYSCALL(chdir) SYSCALL(dup) SYSCALL(getpid) SYSCALL(sbrk) SYSCALL(sleep) SYSCALL(uptime) SYSCALL(getpriority) SYSCALL(setpriority) SYSCALL(getdwt)