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comparison src/usr/usys.S @ 0:83c23a36980d

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author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Fri, 26 May 2017 23:11:05 +0900
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-1:000000000000 0:83c23a36980d
1 #include "syscall.h"
2
3 #define SYSCALL(name) \
4 .globl name; \
5 name: \
6 PUSH {r4};\
7 MOV r4, r3;\
8 MOV r3, r2;\
9 MOV r2, r1;\
10 MOV r1, r0;\
11 MOV r0, #SYS_ ## name;\
12 swi 0x00;\
13 POP {r4};\
14 bx lr;
15
16 SYSCALL(fork)
17 SYSCALL(exit)
18 SYSCALL(wait)
19 SYSCALL(pipe)
20 SYSCALL(read)
21 SYSCALL(write)
22 SYSCALL(close)
23 SYSCALL(kill)
24 SYSCALL(exec)
25 SYSCALL(open)
26 SYSCALL(mknod)
27 SYSCALL(unlink)
28 SYSCALL(fstat)
29 SYSCALL(link)
30 SYSCALL(mkdir)
31 SYSCALL(chdir)
32 SYSCALL(dup)
33 SYSCALL(getpid)
34 SYSCALL(sbrk)
35 SYSCALL(sleep)
36 SYSCALL(uptime)