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Decompile osEPiRawWriteIo

This commit is contained in:
Ryan Dwyer 2021-03-25 12:37:44 +10:00
parent 6c52e3266e
commit 330fc29783
2 changed files with 55 additions and 106 deletions
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5
src/lib/ultra/io/epirawread.c
View File

@ -1,11 +1,6 @@
#include <libultra_internal.h>
#include "data.h"
#define WAIT_ON_IOBUSY(stat) \
stat = IO_READ(PI_STATUS_REG); \
while (stat & (PI_STATUS_IO_BUSY | PI_STATUS_DMA_BUSY)) \
stat = IO_READ(PI_STATUS_REG);
s32 osEPiRawReadIo(OSPiHandle *handle, u32 devAddr, u32 *data)
{
u32 stat = IO_READ(PI_STATUS_REG);

156
src/lib/ultra/io/epirawwrite.c
View File

@ -1,104 +1,58 @@
#include <libultra_internal.h>
#include "data.h"
GLOBAL_ASM(
glabel osEPiRawWriteIo
/* 51900: 3c03a460 */ lui $v1,0xa460
/* 51904: 34630010 */ ori $v1,$v1,0x10
/* 51908: 8c620000 */ lw $v0,0x0($v1)
/* 5190c: 00a03825 */ or $a3,$a1,$zero
/* 51910: 304e0003 */ andi $t6,$v0,0x3
/* 51914: 51c00006 */ beqzl $t6,.L00051930
/* 51918: 90820009 */ lbu $v0,0x9($a0)
/* 5191c: 8c620000 */ lw $v0,0x0($v1)
.L00051920:
/* 51920: 304f0003 */ andi $t7,$v0,0x3
/* 51924: 55e0fffe */ bnezl $t7,.L00051920
/* 51928: 8c620000 */ lw $v0,0x0($v1)
/* 5192c: 90820009 */ lbu $v0,0x9($a0)
.L00051930:
/* 51930: 3c038006 */ lui $v1,%hi(__osCurrentHandle)
/* 51934: 90990004 */ lbu $t9,0x4($a0)
/* 51938: 0002c080 */ sll $t8,$v0,0x2
/* 5193c: 00781821 */ addu $v1,$v1,$t8
/* 51940: 8c63cf20 */ lw $v1,%lo(__osCurrentHandle)($v1)
/* 51944: 90680004 */ lbu $t0,0x4($v1)
/* 51948: 5328003d */ beql $t9,$t0,.L00051a40
/* 5194c: 8c8a000c */ lw $t2,0xc($a0)
/* 51950: 14400019 */ bnez $v0,.L000519b8
/* 51954: 00602825 */ or $a1,$v1,$zero
/* 51958: 90820005 */ lbu $v0,0x5($a0)
/* 5195c: 90690005 */ lbu $t1,0x5($v1)
/* 51960: 3c0aa460 */ lui $t2,0xa460
/* 51964: 3c0ca460 */ lui $t4,0xa460
/* 51968: 10490002 */ beq $v0,$t1,.L00051974
/* 5196c: 3c0ea460 */ lui $t6,0xa460
/* 51970: ad420014 */ sw $v0,0x14($t2)
.L00051974:
/* 51974: 90820006 */ lbu $v0,0x6($a0)
/* 51978: 90ab0006 */ lbu $t3,0x6($a1)
/* 5197c: 3c18a460 */ lui $t8,0xa460
/* 51980: 504b0003 */ beql $v0,$t3,.L00051990
/* 51984: 90820007 */ lbu $v0,0x7($a0)
/* 51988: ad82001c */ sw $v0,0x1c($t4)
/* 5198c: 90820007 */ lbu $v0,0x7($a0)
.L00051990:
/* 51990: 90ad0007 */ lbu $t5,0x7($a1)
/* 51994: 504d0003 */ beql $v0,$t5,.L000519a4
/* 51998: 90820008 */ lbu $v0,0x8($a0)
/* 5199c: adc20020 */ sw $v0,0x20($t6)
/* 519a0: 90820008 */ lbu $v0,0x8($a0)
.L000519a4:
/* 519a4: 90af0008 */ lbu $t7,0x8($a1)
/* 519a8: 504f001b */ beql $v0,$t7,.L00051a18
/* 519ac: 908f0004 */ lbu $t7,0x4($a0)
/* 519b0: 10000018 */ b .L00051a14
/* 519b4: af020018 */ sw $v0,0x18($t8)
.L000519b8:
/* 519b8: 90820005 */ lbu $v0,0x5($a0)
/* 519bc: 90b90005 */ lbu $t9,0x5($a1)
/* 519c0: 3c08a460 */ lui $t0,0xa460
/* 519c4: 3c0aa460 */ lui $t2,0xa460
/* 519c8: 10590002 */ beq $v0,$t9,.L000519d4
/* 519cc: 3c0ca460 */ lui $t4,0xa460
/* 519d0: ad020024 */ sw $v0,0x24($t0)
.L000519d4:
/* 519d4: 90820006 */ lbu $v0,0x6($a0)
/* 519d8: 90a90006 */ lbu $t1,0x6($a1)
/* 519dc: 3c0ea460 */ lui $t6,0xa460
/* 519e0: 50490003 */ beql $v0,$t1,.L000519f0
/* 519e4: 90820007 */ lbu $v0,0x7($a0)
/* 519e8: ad42002c */ sw $v0,0x2c($t2)
/* 519ec: 90820007 */ lbu $v0,0x7($a0)
.L000519f0:
/* 519f0: 90ab0007 */ lbu $t3,0x7($a1)
/* 519f4: 504b0003 */ beql $v0,$t3,.L00051a04
/* 519f8: 90820008 */ lbu $v0,0x8($a0)
/* 519fc: ad820030 */ sw $v0,0x30($t4)
/* 51a00: 90820008 */ lbu $v0,0x8($a0)
.L00051a04:
/* 51a04: 90ad0008 */ lbu $t5,0x8($a1)
/* 51a08: 504d0003 */ beql $v0,$t5,.L00051a18
/* 51a0c: 908f0004 */ lbu $t7,0x4($a0)
/* 51a10: adc20028 */ sw $v0,0x28($t6)
.L00051a14:
/* 51a14: 908f0004 */ lbu $t7,0x4($a0)
.L00051a18:
/* 51a18: a0af0004 */ sb $t7,0x4($a1)
/* 51a1c: 90980005 */ lbu $t8,0x5($a0)
/* 51a20: a0b80005 */ sb $t8,0x5($a1)
/* 51a24: 90990006 */ lbu $t9,0x6($a0)
/* 51a28: a0b90006 */ sb $t9,0x6($a1)
/* 51a2c: 90880007 */ lbu $t0,0x7($a0)
/* 51a30: a0a80007 */ sb $t0,0x7($a1)
/* 51a34: 90890008 */ lbu $t1,0x8($a0)
/* 51a38: a0a90008 */ sb $t1,0x8($a1)
/* 51a3c: 8c8a000c */ lw $t2,0xc($a0)
.L00051a40:
/* 51a40: 3c01a000 */ lui $at,0xa000
/* 51a44: 00001025 */ or $v0,$zero,$zero
/* 51a48: 01475825 */ or $t3,$t2,$a3
/* 51a4c: 01616025 */ or $t4,$t3,$at
/* 51a50: 03e00008 */ jr $ra
/* 51a54: ad860000 */ sw $a2,0x0($t4)
);
s32 osEPiRawWriteIo(OSPiHandle *handle, u32 devAddr, u32 data)
{
u32 stat = IO_READ(PI_STATUS_REG);
while (stat & (PI_STATUS_IO_BUSY | PI_STATUS_DMA_BUSY)) {
stat = IO_READ(PI_STATUS_REG);
}
if (__osCurrentHandle[handle->domain]->type != handle->type) {
OSPiHandle *cHandle = __osCurrentHandle[handle->domain];
if (handle->domain == PI_DOMAIN1) {
if (cHandle->latency != handle->latency) {
IO_WRITE(PI_BSD_DOM1_LAT_REG, handle->latency);
}
if (cHandle->pageSize != handle->pageSize) {
IO_WRITE(PI_BSD_DOM1_PGS_REG, handle->pageSize);
}
if (cHandle->relDuration != handle->relDuration) {
IO_WRITE(PI_BSD_DOM1_RLS_REG, handle->relDuration);
}
if (cHandle->pulse != handle->pulse) {
IO_WRITE(PI_BSD_DOM1_PWD_REG, handle->pulse);
}
} else {
if (cHandle->latency != handle->latency) {
IO_WRITE(PI_BSD_DOM2_LAT_REG, handle->latency);
}
if (cHandle->pageSize != handle->pageSize) {
IO_WRITE(PI_BSD_DOM2_PGS_REG, handle->pageSize);
}
if (cHandle->relDuration != handle->relDuration) {
IO_WRITE(PI_BSD_DOM2_RLS_REG, handle->relDuration);
}
if (cHandle->pulse != handle->pulse) {
IO_WRITE(PI_BSD_DOM2_PWD_REG, handle->pulse);
}
}
cHandle->type = handle->type;
cHandle->latency = handle->latency;
cHandle->pageSize = handle->pageSize;
cHandle->relDuration = handle->relDuration;
cHandle->pulse = handle->pulse;
}
IO_WRITE(handle->baseAddress | devAddr, data);
return 0;
}