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Decompile __osGbpakSelectBank

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This commit is contained in:
Ryan Dwyer 2021-10-04 17:46:19 +10:00
parent e16f709043
commit c9dc9197ea
1 changed files with 38 additions and 59 deletions
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97
src/lib/ultra/io/gbpakselectbank.c
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@ -1,65 +1,44 @@
#include <ultra64.h>
#include "libultra_internal.h"
#include "constants.h"
#include "bss.h"
#include "data.h"
#include "types.h"
GLOBAL_ASM(
glabel __osGbpakSelectBank
/* 52360: 27bdffa8 */ addiu $sp,$sp,-88
/* 52364: afb0001c */ sw $s0,0x1c($sp)
/* 52368: 30b000ff */ andi $s0,$a1,0xff
/* 5236c: afb10020 */ sw $s1,0x20($sp)
/* 52370: 2a010003 */ slti $at,$s0,0x3
/* 52374: 00808825 */ or $s1,$a0,$zero
/* 52378: afbf0024 */ sw $ra,0x24($sp)
/* 5237c: 14200003 */ bnez $at,.L0005238c
/* 52380: afa5005c */ sw $a1,0x5c($sp)
/* 52384: 10000025 */ b .L0005241c
/* 52388: 24020005 */ addiu $v0,$zero,0x5
.L0005238c:
/* 5238c: 27a20030 */ addiu $v0,$sp,0x30
/* 52390: 27a30050 */ addiu $v1,$sp,0x50
.L00052394:
/* 52394: 24420004 */ addiu $v0,$v0,0x4
/* 52398: a050fffc */ sb $s0,-0x4($v0)
/* 5239c: a050fffd */ sb $s0,-0x3($v0)
/* 523a0: a050fffe */ sb $s0,-0x2($v0)
/* 523a4: 1443fffb */ bne $v0,$v1,.L00052394
/* 523a8: a050ffff */ sb $s0,-0x1($v0)
/* 523ac: 8e240004 */ lw $a0,0x4($s1)
/* 523b0: 8e250008 */ lw $a1,0x8($s1)
/* 523b4: afa00010 */ sw $zero,0x10($sp)
/* 523b8: 24060500 */ addiu $a2,$zero,0x500
/* 523bc: 0c012d84 */ jal __osContRamWrite
/* 523c0: 27a70030 */ addiu $a3,$sp,0x30
/* 523c4: 24010002 */ addiu $at,$zero,0x2
/* 523c8: 14410011 */ bne $v0,$at,.L00052410
/* 523cc: 00401825 */ or $v1,$v0,$zero
/* 523d0: 8e240004 */ lw $a0,0x4($s1)
/* 523d4: 02202825 */ or $a1,$s1,$zero
/* 523d8: 0c001840 */ jal osGbpakInit
/* 523dc: 8e260008 */ lw $a2,0x8($s1)
/* 523e0: 1440000b */ bnez $v0,.L00052410
/* 523e4: 00401825 */ or $v1,$v0,$zero
/* 523e8: 8e240004 */ lw $a0,0x4($s1)
/* 523ec: 8e250008 */ lw $a1,0x8($s1)
/* 523f0: afa00010 */ sw $zero,0x10($sp)
/* 523f4: 24060500 */ addiu $a2,$zero,0x500
/* 523f8: 0c012d84 */ jal __osContRamWrite
/* 523fc: 27a70030 */ addiu $a3,$sp,0x30
/* 52400: 24010002 */ addiu $at,$zero,0x2
/* 52404: 14410002 */ bne $v0,$at,.L00052410
/* 52408: 00401825 */ or $v1,$v0,$zero
/* 5240c: 24030004 */ addiu $v1,$zero,0x4
.L00052410:
/* 52410: 14600002 */ bnez $v1,.L0005241c
/* 52414: 00601025 */ or $v0,$v1,$zero
/* 52418: a2300064 */ sb $s0,0x64($s1)
.L0005241c:
/* 5241c: 8fbf0024 */ lw $ra,0x24($sp)
/* 52420: 8fb0001c */ lw $s0,0x1c($sp)
/* 52424: 8fb10020 */ lw $s1,0x20($sp)
/* 52428: 03e00008 */ jr $ra
/* 5242c: 27bd0058 */ addiu $sp,$sp,0x58
);
s32 __osGbpakSelectBank(OSPfs *pfs, u8 bank)
{
s32 ret;
s32 i;
u8 buffer[8][4];
if (bank >= 3) {
return PFS_ERR_INVALID;
}
for (i = 0; i < 8; i++) {
buffer[i][0] = bank;
buffer[i][1] = bank;
buffer[i][2] = bank;
buffer[i][3] = bank;
}
ret = __osContRamWrite(pfs->queue, pfs->channel, 0x500, (u8 *)buffer, 0);
if (ret == PFS_ERR_NEW_PACK) {
ret = osGbpakInit(pfs->queue, pfs, pfs->channel);
if (ret == 0) {
ret = __osContRamWrite(pfs->queue, pfs->channel, 0x500, (u8 *)buffer, 0);
if (ret == PFS_ERR_NEW_PACK) {
ret = PFS_ERR_CONTRFAIL;
}
}
}
if (ret == 0) {
pfs->banks = bank;
}
return ret;
}