source: trunk/Softwares/Test/Test_004/src/sys/crt0.s

Last change on this file was 101, checked in by rosiere, 15 years ago

1) Add soc test
2) fix bug (Pc management, Decod and execute, Update prediction ...)

  • Property svn:keywords set to Id
File size: 1.0 KB
Line 
1/*
2 * Test_004
3 *
4 * end_ko : infinite_loop
5 * end_ok : Write in R1 the stop address and stop an data
6 *          The store in the destination of an jump
7 * start  : place an value on 16 bits in a register. Test register with an immediat (no sign extension)
8 */
9       
10        .file   "crt0.s"
11        /*
12        .section .vector
13        */
14        .section .text
15        .align  4       
16
17/* ---[ 0x0  : Print a error ]------------------------------------------- */
18
19        .org 0x0
20_end_ko        :       
21        l.movhi r1,     hi(_tty)
22        l.ori   r1, r1, lo(_tty)
23        l.sw    4(r1), r1 /* stop address */
24_infinite_loop :       
25        l.j     _infinite_loop
26        l.nop
27
28
29/* ---[ 0x100: RESET exception ]----------------------------------------- */
30        .org 0x100
31        .global _start
32_start:
33        l.nop
34        l.nop
35        l.movhi r1,     hi(0x00001981)
36        l.ori   r1, r1, lo(0x00001981)
37        l.sfeqi r1, 0x1981
38        l.bf    _end_ok
39        l.nop
40        l.j     _end_ko
41        l.nop
42
43        .org 0x180
44_end_ok :
45        l.movhi r1,     hi(_tty)
46        l.ori   r1, r1, lo(_tty)
47        l.sw    4(r1), r0 /* stop address */
48       
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