| 77a37381 |
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 |
projects / linexec-j720 / blame