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Decompile osGbpakGetStatus

This commit is contained in:
Ryan Dwyer 2021-10-03 23:30:18 +10:00
parent 77a216117a
commit 1b68b2a9ce
3 changed files with 52 additions and 110 deletions
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1
Makefile
View File

@ -74,6 +74,7 @@ $(B_DIR)/lib/ultra/io/conteepwrite.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/contpfs.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/contramread.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/contramwrite.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/gbpakgetstatus.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/motor.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/pfschecker.o: LOOPUNROLL :=
$(B_DIR)/lib/ultra/io/pfsfreeblocks.o: LOOPUNROLL :=

6
src/include/PR/os_pfs.h
View File

@ -111,6 +111,12 @@ typedef struct {
#define OS_PFS_VERSION_HI (OS_PFS_VERSION >> 8)
#define OS_PFS_VERSION_LO (OS_PFS_VERSION & 255)
#define OS_GBPAK_POWER 0x01
#define OS_GBPAK_RSTB_DETECTION 0x04
#define OS_GBPAK_RSTB_STATUS 0x08
#define OS_GBPAK_GBCART_PULL 0x40
#define OS_GBPAK_GBCART_ON 0x80
#define OS_GBPAK_POWER_OFF 0
#define OS_GBPAK_POWER_ON 1

155
src/lib/ultra/io/gbpakgetstatus.c
View File

@ -2,116 +2,51 @@
#include "libultra_internal.h"
#include "constants.h"
#include "bss.h"
#include "lib/lib_4b170.h"
#include "lib/lib_4e090.h"
#include "data.h"
#include "types.h"
GLOBAL_ASM(
glabel osGbpakGetStatus
/* 50be0: 27bdffb0 */ addiu $sp,$sp,-80
/* 50be4: afbf001c */ sw $ra,0x1c($sp)
/* 50be8: afb10018 */ sw $s1,0x18($sp)
/* 50bec: afb00014 */ sw $s0,0x14($sp)
/* 50bf0: 00a08025 */ or $s0,$a1,$zero
/* 50bf4: 00808825 */ or $s1,$a0,$zero
/* 50bf8: 27a70028 */ addiu $a3,$sp,0x28
/* 50bfc: 8e250008 */ lw $a1,0x8($s1)
/* 50c00: 8c840004 */ lw $a0,0x4($a0)
/* 50c04: 0c012e18 */ jal __osContRamRead
/* 50c08: 24060400 */ addiu $a2,$zero,0x400
/* 50c0c: 24010002 */ addiu $at,$zero,0x2
/* 50c10: 10410005 */ beq $v0,$at,.L00050c28
/* 50c14: 27a70028 */ addiu $a3,$sp,0x28
/* 50c18: 93ae0047 */ lbu $t6,0x47($sp)
/* 50c1c: 24010084 */ addiu $at,$zero,0x84
/* 50c20: 51c1000a */ beql $t6,$at,.L00050c4c
/* 50c24: 8e240004 */ lw $a0,0x4($s1)
.L00050c28:
/* 50c28: 8e240004 */ lw $a0,0x4($s1)
/* 50c2c: 02202825 */ or $a1,$s1,$zero
/* 50c30: 0c001840 */ jal osGbpakInit
/* 50c34: 8e260008 */ lw $a2,0x8($s1)
/* 50c38: 10400003 */ beqz $v0,.L00050c48
/* 50c3c: 27a70028 */ addiu $a3,$sp,0x28
/* 50c40: 10000042 */ b .L00050d4c
/* 50c44: 8fbf001c */ lw $ra,0x1c($sp)
.L00050c48:
/* 50c48: 8e240004 */ lw $a0,0x4($s1)
.L00050c4c:
/* 50c4c: 8e250008 */ lw $a1,0x8($s1)
/* 50c50: 0c012e18 */ jal __osContRamRead
/* 50c54: 24060580 */ addiu $a2,$zero,0x580
/* 50c58: 14400036 */ bnez $v0,.L00050d34
/* 50c5c: 00402825 */ or $a1,$v0,$zero
/* 50c60: 8e240004 */ lw $a0,0x4($s1)
/* 50c64: 0c012ea4 */ jal __osPfsGetStatus
/* 50c68: 8e250008 */ lw $a1,0x8($s1)
/* 50c6c: 27a70028 */ addiu $a3,$sp,0x28
/* 50c70: 10400003 */ beqz $v0,.L00050c80
/* 50c74: 00402825 */ or $a1,$v0,$zero
/* 50c78: 10000034 */ b .L00050d4c
/* 50c7c: 8fbf001c */ lw $ra,0x1c($sp)
.L00050c80:
/* 50c80: 93b80028 */ lbu $t8,0x28($sp)
/* 50c84: 24030004 */ addiu $v1,$zero,0x4
/* 50c88: 24040020 */ addiu $a0,$zero,0x20
/* 50c8c: a2180000 */ sb $t8,0x0($s0)
/* 50c90: 93b90029 */ lbu $t9,0x29($sp)
/* 50c94: 03194825 */ or $t1,$t8,$t9
/* 50c98: a2090000 */ sb $t1,0x0($s0)
/* 50c9c: 93aa002a */ lbu $t2,0x2a($sp)
/* 50ca0: 012a6025 */ or $t4,$t1,$t2
/* 50ca4: a20c0000 */ sb $t4,0x0($s0)
/* 50ca8: 93ad002b */ lbu $t5,0x2b($sp)
/* 50cac: 018d7025 */ or $t6,$t4,$t5
/* 50cb0: a20e0000 */ sb $t6,0x0($s0)
.L00050cb4:
/* 50cb4: 00e31021 */ addu $v0,$a3,$v1
/* 50cb8: 90580000 */ lbu $t8,0x0($v0)
/* 50cbc: 920f0000 */ lbu $t7,0x0($s0)
/* 50cc0: 24630004 */ addiu $v1,$v1,0x4
/* 50cc4: 01f84025 */ or $t0,$t7,$t8
/* 50cc8: a2080000 */ sb $t0,0x0($s0)
/* 50ccc: 90490001 */ lbu $t1,0x1($v0)
/* 50cd0: 01095825 */ or $t3,$t0,$t1
/* 50cd4: a20b0000 */ sb $t3,0x0($s0)
/* 50cd8: 904c0002 */ lbu $t4,0x2($v0)
/* 50cdc: 016c6825 */ or $t5,$t3,$t4
/* 50ce0: a20d0000 */ sb $t5,0x0($s0)
/* 50ce4: 904f0003 */ lbu $t7,0x3($v0)
/* 50ce8: 31ae00ff */ andi $t6,$t5,0xff
/* 50cec: 01cfc025 */ or $t8,$t6,$t7
/* 50cf0: 1464fff0 */ bne $v1,$a0,.L00050cb4
/* 50cf4: a2180000 */ sb $t8,0x0($s0)
/* 50cf8: 33090044 */ andi $t1,$t8,0x44
/* 50cfc: a2090000 */ sb $t1,0x0($s0)
/* 50d00: 93aa0047 */ lbu $t2,0x47($sp)
/* 50d04: 012a5825 */ or $t3,$t1,$t2
/* 50d08: 316200ff */ andi $v0,$t3,0xff
/* 50d0c: 304c0080 */ andi $t4,$v0,0x80
/* 50d10: 15800003 */ bnez $t4,.L00050d20
/* 50d14: a20b0000 */ sb $t3,0x0($s0)
/* 50d18: 1000000a */ b .L00050d44
/* 50d1c: 2405000c */ addiu $a1,$zero,0xc
.L00050d20:
/* 50d20: 304d0040 */ andi $t5,$v0,0x40
/* 50d24: 51a00008 */ beqzl $t5,.L00050d48
/* 50d28: 00a01025 */ or $v0,$a1,$zero
/* 50d2c: 10000005 */ b .L00050d44
/* 50d30: 2405000d */ addiu $a1,$zero,0xd
.L00050d34:
/* 50d34: 24010002 */ addiu $at,$zero,0x2
/* 50d38: 54410003 */ bnel $v0,$at,.L00050d48
/* 50d3c: 00a01025 */ or $v0,$a1,$zero
/* 50d40: 24050004 */ addiu $a1,$zero,0x4
.L00050d44:
/* 50d44: 00a01025 */ or $v0,$a1,$zero
.L00050d48:
/* 50d48: 8fbf001c */ lw $ra,0x1c($sp)
.L00050d4c:
/* 50d4c: 8fb00014 */ lw $s0,0x14($sp)
/* 50d50: 8fb10018 */ lw $s1,0x18($sp)
/* 50d54: 03e00008 */ jr $ra
/* 50d58: 27bd0050 */ addiu $sp,$sp,0x50
);
s32 osGbpakGetStatus(OSPfs *pfs, u8 *status)
{
s32 ret;
s32 i;
u8 buffer[32];
ret = __osContRamRead(pfs->queue, pfs->channel, 0x400, buffer);
if (ret == PFS_ERR_NEW_PACK || buffer[31] != (OS_GBPAK_RSTB_DETECTION | OS_GBPAK_GBCART_ON)) {
ret = osGbpakInit(pfs->queue, pfs, pfs->channel);
if (ret != 0) {
return ret;
}
}
ret = __osContRamRead(pfs->queue, pfs->channel, 0x580, buffer);
if (ret == 0) {
ret = __osPfsGetStatus(pfs->queue, pfs->channel);
if (ret != 0) {
return ret;
}
*status = buffer[0];
for (i = 1; i < 32; i++) {
*status |= ((u8 *)buffer)[i];
}
*status &= (OS_GBPAK_RSTB_DETECTION | OS_GBPAK_GBCART_PULL);
*status |= buffer[31];
if ((*status & OS_GBPAK_GBCART_ON) == 0) {
ret = PFS_ERR_NO_GBCART;
} else if (*status & OS_GBPAK_GBCART_PULL) {
ret = PFS_ERR_NEW_GBCART;
}
} else if (ret == PFS_ERR_NEW_PACK) {
ret = PFS_ERR_CONTRFAIL;
}
return ret;
}