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Decompile __osPfsRequestOneChannel

This commit is contained in:
Ryan Dwyer 2021-03-17 18:03:30 +10:00
parent 2696836a28
commit ffbb06f51a
1 changed files with 26 additions and 56 deletions
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82
src/lib/ultra/io/pfsgetstatus.c
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@ -2,7 +2,7 @@
#include "data.h"
#include "bss.h"
void __osPfsRequestOneChannel(int channel, int cmd);
void __osPfsRequestOneChannel(int channel, u8 cmd);
void __osPfsGetOneChannelData(int channel, OSContStatus *data);
s32 __osPfsGetStatus(OSMesgQueue *queue, int channel)
@ -36,61 +36,31 @@ s32 __osPfsGetStatus(OSMesgQueue *queue, int channel)
return ret;
}
GLOBAL_ASM(
glabel __osPfsRequestOneChannel
/* 4bb60: 27bdffe8 */ addiu $sp,$sp,-24
/* 4bb64: 3c068009 */ lui $a2,%hi(__osPfsPifRam)
/* 4bb68: 240700fe */ addiu $a3,$zero,0xfe
/* 4bb6c: 3c01800a */ lui $at,%hi(__osContLastCmd)
/* 4bb70: 24c20a20 */ addiu $v0,$a2,%lo(__osPfsPifRam)
/* 4bb74: afa5001c */ sw $a1,0x1c($sp)
/* 4bb78: a027c820 */ sb $a3,%lo(__osContLastCmd)($at)
/* 4bb7c: 240f0001 */ addiu $t7,$zero,0x1
/* 4bb80: ac4f003c */ sw $t7,0x3c($v0)
/* 4bb84: 24180001 */ addiu $t8,$zero,0x1
/* 4bb88: 24190003 */ addiu $t9,$zero,0x3
/* 4bb8c: 240800ff */ addiu $t0,$zero,0xff
/* 4bb90: 240900ff */ addiu $t1,$zero,0xff
/* 4bb94: 240a00ff */ addiu $t2,$zero,0xff
/* 4bb98: a3b8000c */ sb $t8,0xc($sp)
/* 4bb9c: a3b9000d */ sb $t9,0xd($sp)
/* 4bba0: a3a5000e */ sb $a1,0xe($sp)
/* 4bba4: a3a8000f */ sb $t0,0xf($sp)
/* 4bba8: a3a90010 */ sb $t1,0x10($sp)
/* 4bbac: a3aa0011 */ sb $t2,0x11($sp)
/* 4bbb0: 18800010 */ blez $a0,.L0004bbf4
/* 4bbb4: 00001825 */ or $v1,$zero,$zero
/* 4bbb8: 30860003 */ andi $a2,$a0,0x3
/* 4bbbc: 10c00006 */ beqz $a2,.L0004bbd8
/* 4bbc0: 00c02825 */ or $a1,$a2,$zero
.L0004bbc4:
/* 4bbc4: 24630001 */ addiu $v1,$v1,0x1
/* 4bbc8: a0400000 */ sb $zero,0x0($v0)
/* 4bbcc: 14a3fffd */ bne $a1,$v1,.L0004bbc4
/* 4bbd0: 24420001 */ addiu $v0,$v0,0x1
/* 4bbd4: 10640007 */ beq $v1,$a0,.L0004bbf4
.L0004bbd8:
/* 4bbd8: 24630004 */ addiu $v1,$v1,0x4
/* 4bbdc: a0400001 */ sb $zero,0x1($v0)
/* 4bbe0: a0400002 */ sb $zero,0x2($v0)
/* 4bbe4: a0400003 */ sb $zero,0x3($v0)
/* 4bbe8: 24420004 */ addiu $v0,$v0,0x4
/* 4bbec: 1464fffa */ bne $v1,$a0,.L0004bbd8
/* 4bbf0: a040fffc */ sb $zero,-0x4($v0)
.L0004bbf4:
/* 4bbf4: 27ab000c */ addiu $t3,$sp,0xc
/* 4bbf8: 8d610000 */ lw $at,0x0($t3)
/* 4bbfc: 24420006 */ addiu $v0,$v0,0x6
/* 4bc00: a841fffa */ swl $at,-0x6($v0)
/* 4bc04: b841fffd */ swr $at,-0x3($v0)
/* 4bc08: 91610004 */ lbu $at,0x4($t3)
/* 4bc0c: a041fffe */ sb $at,-0x2($v0)
/* 4bc10: 916d0005 */ lbu $t5,0x5($t3)
/* 4bc14: a0470000 */ sb $a3,0x0($v0)
/* 4bc18: 27bd0018 */ addiu $sp,$sp,0x18
/* 4bc1c: 03e00008 */ jr $ra
/* 4bc20: a04dffff */ sb $t5,-0x1($v0)
);
void __osPfsRequestOneChannel(int channel, u8 cmd)
{
u8 *ptr;
__OSContRequestFormatShort requestformat;
int i;
__osContLastCmd = CONT_CMD_END;
__osPfsPifRam.pifstatus = CONT_CMD_EXE;
ptr = (u8 *)&__osPfsPifRam;
requestformat.txsize = CONT_CMD_REQUEST_STATUS_TX;
requestformat.rxsize = CONT_CMD_REQUEST_STATUS_RX;
requestformat.cmd = cmd;
requestformat.typeh = CONT_CMD_NOP;
requestformat.typel = CONT_CMD_NOP;
requestformat.status = CONT_CMD_NOP;
for (i = 0; i < channel; i++) {
*ptr++ = 0;
}
*(__OSContRequestFormatShort *)ptr = requestformat;
ptr += sizeof(__OSContRequestFormatShort);
*ptr = CONT_CMD_END;
}
void __osPfsGetOneChannelData(int channel, OSContStatus *data)
{