]>
Commit | Line | Data |
---|---|---|
1 | TTL C:\pocket\test\asm.cpp\r | |
2 | \r | |
3 | AREA |.drectve|, DRECTVE\r | |
4 | DCB "-defaultlib:coredll.lib "\r | |
5 | DCB "-defaultlib:corelibc.lib "\r | |
6 | \r | |
7 | EXPORT |?do_it@@YAXXZ| ; do_it\r | |
8 | AREA |.pdata|, PDATA\r | |
9 | |$T222| DCD |?do_it@@YAXXZ|\r | |
10 | DCD 0x40000100\r | |
11 | AREA |.text|, CODE\r | |
12 | |?do_it@@YAXXZ| PROC ; do_it\r | |
13 | |$M220|\r | |
14 | \r | |
15 | \r | |
16 | mcr p15, 0, r0, c7, c5, 0 ;/* invalidate i cache & BTB */\r | |
17 | mrc p15, 0, r0, c2, c0, 0\r | |
18 | mov r0, r0\r | |
19 | sub pc, pc, #4 \r | |
20 | \r | |
21 | \r | |
22 | ; turn off LCD controller...\r | |
23 | ; I couldn't figure out how to use armasm.exe conditional with variables\r | |
24 | ; #if xscale\r | |
25 | ; ldr r9, =0x44000000\r | |
26 | ; ldr r8, [r9]\r | |
27 | ; orr r8, r8, #0x400\r | |
28 | ; str r8, [r9]\r | |
29 | \r | |
30 | ; #elif strongarm\r | |
31 | ldr r9, =0xb0100000\r | |
32 | ldr r8, [r9]\r | |
33 | bic r8, r8, #1\r | |
34 | str r8, [r9]\r | |
35 | \r | |
36 | ; turn off unused serial ports\r | |
37 | \r | |
38 | mov r8, #0\r | |
39 | ldr r9, =0x80010000\r | |
40 | str r8, [r9, #0xC]\r | |
41 | ldr r9, =0x80050000\r | |
42 | str r8, [r9, #0xC]\r | |
43 | \r | |
44 | ; #endif\r | |
45 | \r | |
46 | add r9, r1, #0x100\r | |
47 | \r | |
48 | ; #if xscale\r | |
49 | ; ldr r5, =0xa0000100\r | |
50 | ; ldr r7, =0xa0400000\r | |
51 | \r | |
52 | ; #elif strongarm\r | |
53 | ldr r5, =0xc0000100\r | |
54 | ldr r7, =0xc0400000\r | |
55 | ; #endif\r | |
56 | \r | |
57 | \r | |
58 | label ldr r8, [r9]\r | |
59 | str r8, [r5]\r | |
60 | add r9, r9, #4 \r | |
61 | add r5, r5, #4 \r | |
62 | cmp r5, r7\r | |
63 | blt label\r | |
64 | \r | |
65 | ; #if xscale\r | |
66 | ; MOV r4, #0xA0000000\r | |
67 | \r | |
68 | ; #elif strongarm\r | |
69 | MOV r4, #0xc0000000\r | |
70 | ; #endif\r | |
71 | \r | |
72 | add r11,r4,#0x8000\r | |
73 | \r | |
74 | mov r10,r2 ;machine number passed from DRAMloader\r | |
75 | \r | |
76 | mcr p15, 0, r0, c8, c7, 0x00 ;/* invalidate I+D TLB */\r | |
77 | mrc p15, 0, r0, c2, c0, 0\r | |
78 | mov r0, r0\r | |
79 | sub pc, pc, #4 \r | |
80 | \r | |
81 | ; they skipped this, unnecessary? seems like we need to do this\r | |
82 | \r | |
83 | mcr p15, 0, r0, c7, c5, 0 ;/* invalidate i cache & BTB */\r | |
84 | \r | |
85 | mov r0, #0\r | |
86 | mcr p15, 0, r0, c13, c0, 0\r | |
87 | mrc p15, 0, r0, c2, c0, 0\r | |
88 | mov r0, r0\r | |
89 | sub pc, pc, #4 \r | |
90 | \r | |
91 | mov r0, #0\r | |
92 | mov r1, r10\r | |
93 | ldr r2, [r2, #0]\r | |
94 | mov r2, #0\r | |
95 | \r | |
96 | ; Jump into the kernel:\r | |
97 | mov pc, r11 \r | |
98 | \r | |
99 | \r | |
100 | |$M221|\r | |
101 | ENDP ; |?do_it@@YAXXZ|, do_it\r | |
102 | END\r | |
103 | \r |