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Decompile __osPfsRequestData

This commit is contained in:
Ryan Dwyer 2021-03-17 12:15:18 +10:00
parent cde3ceea27
commit 6d63688096
2 changed files with 44 additions and 84 deletions
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2
src/include/bss.h
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@ -21,7 +21,7 @@ extern u8 g_BootBufferDirtyIndexes[3];
extern s32 g_BootBufferIndex0;
extern OSPiHandle CartRomHandle;
extern OSPiHandle LeoDiskHandle;
extern u32 __osPfsPifRam;
extern OSPifRam __osPfsPifRam;
extern u32 var80090ab0;
extern u32 var80090ad0;
extern u32 var80090ae8;

126
src/lib/ultra/io/pfsisplug.c
View File

@ -2,22 +2,7 @@
#include "bss.h"
#include "data.h"
u32 __osPfsPifRam;
u32 var80090a24;
u32 var80090a28;
u32 var80090a2c;
u32 var80090a30;
u32 var80090a34;
u32 var80090a38;
u32 var80090a3c;
u32 var80090a40;
u32 var80090a44;
u32 var80090a48;
u32 var80090a4c;
u32 var80090a50;
u32 var80090a54;
u32 var80090a58;
u32 var80090a5c;
OSPifRam __osPfsPifRam;
GLOBAL_ASM(
glabel osPfsIsPlug
@ -131,78 +116,53 @@ glabel osPfsIsPlug
/* 58f8: 27bd0070 */ addiu $sp,$sp,0x70
);
GLOBAL_ASM(
glabel __osPfsRequestData
/* 58fc: 27bdfff0 */ addiu $sp,$sp,-16
/* 5900: 3c058009 */ lui $a1,%hi(__osPfsPifRam)
/* 5904: 3c01800a */ lui $at,%hi(__osContLastCmd)
/* 5908: 24a20a20 */ addiu $v0,$a1,%lo(__osPfsPifRam)
/* 590c: afa40010 */ sw $a0,0x10($sp)
/* 5910: a024c820 */ sb $a0,%lo(__osContLastCmd)($at)
/* 5914: 240f0001 */ addiu $t7,$zero,0x1
/* 5918: ac4f003c */ sw $t7,0x3c($v0)
/* 591c: 3c06800a */ lui $a2,%hi(__osContLastCmd+0x1)
/* 5920: 24c6c821 */ addiu $a2,$a2,%lo(__osContLastCmd+0x1)
/* 5924: 90cd0000 */ lbu $t5,0x0($a2)
/* 5928: 241800ff */ addiu $t8,$zero,0xff
/* 592c: 24190001 */ addiu $t9,$zero,0x1
/* 5930: 24080003 */ addiu $t0,$zero,0x3
/* 5934: 240900ff */ addiu $t1,$zero,0xff
/* 5938: 240a00ff */ addiu $t2,$zero,0xff
/* 593c: 240b00ff */ addiu $t3,$zero,0xff
/* 5940: 240c00ff */ addiu $t4,$zero,0xff
/* 5944: a3b80004 */ sb $t8,0x4($sp)
/* 5948: a3b90005 */ sb $t9,0x5($sp)
/* 594c: a3a80006 */ sb $t0,0x6($sp)
/* 5950: a3a40007 */ sb $a0,0x7($sp)
/* 5954: a3a90008 */ sb $t1,0x8($sp)
/* 5958: a3aa0009 */ sb $t2,0x9($sp)
/* 595c: a3ab000a */ sb $t3,0xa($sp)
/* 5960: a3ac000b */ sb $t4,0xb($sp)
/* 5964: 19a0000e */ blez $t5,.L000059a0
/* 5968: 00001825 */ or $v1,$zero,$zero
/* 596c: 27a40004 */ addiu $a0,$sp,0x4
/* 5970: 8c810000 */ lw $at,0x0($a0)
.L00005974:
/* 5974: 24630001 */ addiu $v1,$v1,0x1
/* 5978: 24420008 */ addiu $v0,$v0,0x8
/* 597c: a841fff8 */ swl $at,-0x8($v0)
/* 5980: b841fffb */ swr $at,-0x5($v0)
/* 5984: 8c8f0004 */ lw $t7,0x4($a0)
/* 5988: a84ffffc */ swl $t7,-0x4($v0)
/* 598c: b84fffff */ swr $t7,-0x1($v0)
/* 5990: 90d80000 */ lbu $t8,0x0($a2)
/* 5994: 0078082a */ slt $at,$v1,$t8
/* 5998: 5420fff6 */ bnezl $at,.L00005974
/* 599c: 8c810000 */ lw $at,0x0($a0)
.L000059a0:
/* 59a0: 241900fe */ addiu $t9,$zero,0xfe
/* 59a4: a0590000 */ sb $t9,0x0($v0)
/* 59a8: 03e00008 */ jr $ra
/* 59ac: 27bd0010 */ addiu $sp,$sp,0x10
);
void __osPfsRequestData(u8 cmd)
{
u8 *ptr;
__OSContRequestFormat requestformat;
int i;
ptr = (u8 *)&__osPfsPifRam;
__osContLastCmd = cmd;
__osPfsPifRam.pifstatus = CONT_CMD_EXE;
requestformat.dummy = CONT_CMD_NOP;
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;
requestformat.dummy1 = CONT_CMD_NOP;
for (i = 0; i < __osMaxControllers; i++) {
*(__OSContRequestFormat *)ptr = requestformat;
ptr += sizeof(__OSContRequestFormat);
}
*ptr = CONT_CMD_END;
}
void __osPfsGetInitData(u8 *pattern, OSContStatus *data)
{
u8 *ptr;
__OSContRequestFormat requestformat;
int i;
u8 bits;
bits = 0;
ptr = (u8 *)&__osPfsPifRam;
u8 *ptr;
__OSContRequestFormat requestformat;
int i;
u8 bits;
bits = 0;
ptr = (u8 *)&__osPfsPifRam;
for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(__OSContRequestFormat)) {
requestformat = *(__OSContRequestFormat *)ptr;
data->errno = CHNL_ERR(requestformat);
for (i = 0; i < __osMaxControllers; i++, ptr += sizeof(__OSContRequestFormat)) {
requestformat = *(__OSContRequestFormat *)ptr;
data->errno = CHNL_ERR(requestformat);
if (data->errno == 0) {
data->type = (requestformat.typel << 8) | (requestformat.typeh);
data->status = requestformat.status;
bits |= 1 << i;
}
if (data->errno == 0) {
data->type = (requestformat.typel << 8) | (requestformat.typeh);
data->status = requestformat.status;
bits |= 1 << i;
}
data++;
}
data++;
}
*pattern = bits;
*pattern = bits;
}