source: trunk/Softwares/Test/Test_005/src/sys/crt0.s @ 101

Last change on this file since 101 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_005
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 (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_end_ok :
29        l.movhi r1,     hi(_tty)
30        l.ori   r1, r1, lo(_tty)
31        l.sw    4(r1), r0 /* stop address */
32
33
34/* ---[ 0x100: RESET exception ]----------------------------------------- */
35        .org 0x100
36        .global _start
37_start:
38        l.nop
39        l.nop
40        l.movhi r1,     hi(0xffffdead)
41        l.ori   r1, r1, lo(0xffffdead)
42        l.sfeqi r1, 0xdead
43        l.bf    _end_ok
44        l.nop
45        l.j     _end_ko
46        l.nop
47
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