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Decompile osPfsFileState

This commit is contained in:
Ryan Dwyer 2021-03-25 17:14:13 +10:00
parent 116b6c3fff
commit 412de9d14c
12 changed files with 90 additions and 171 deletions
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2
ld/libfiles.ntsc-beta.inc
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@ -194,7 +194,7 @@
build/ROMID/lib/ultra/io/conteeplongread.o (section); \
build/ROMID/lib/lib_50480.o (section); \
build/ROMID/lib/lib_508d0.o (section); \
build/ROMID/lib/lib_50a00.o (section); \
build/ROMID/lib/ultra/io/pfsfilestate.o (section); \
build/ROMID/lib/lib_50be0.o (section); \
build/ROMID/lib/lib_50d60.o (section); \
build/ROMID/lib/lib_50f20.o (section); \

2
ld/libfiles.ntsc-final.inc
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@ -190,7 +190,7 @@
build/ROMID/lib/ultra/io/conteeplongread.o (section); \
build/ROMID/lib/lib_50480.o (section); \
build/ROMID/lib/lib_508d0.o (section); \
build/ROMID/lib/lib_50a00.o (section); \
build/ROMID/lib/ultra/io/pfsfilestate.o (section); \
build/ROMID/lib/lib_50be0.o (section); \
build/ROMID/lib/lib_50d60.o (section); \
build/ROMID/lib/lib_50f20.o (section); \

2
ld/libfiles.pal-final.inc
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@ -190,7 +190,7 @@
build/ROMID/lib/ultra/io/conteeplongread.o (section); \
build/ROMID/lib/lib_50480.o (section); \
build/ROMID/lib/lib_508d0.o (section); \
build/ROMID/lib/lib_50a00.o (section); \
build/ROMID/lib/ultra/io/pfsfilestate.o (section); \
build/ROMID/lib/lib_50be0.o (section); \
build/ROMID/lib/lib_50d60.o (section); \
build/ROMID/lib/lib_50f20.o (section); \

11
src/game/pak/pak.c
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@ -18,7 +18,6 @@
#include "lib/lib_4e090.h"
#include "lib/lib_4f5e0.h"
#include "lib/lib_50480.h"
#include "lib/lib_50a00.h"
#include "lib/lib_513b0.h"
#include "data.h"
#include "types.h"
@ -1685,9 +1684,9 @@ s32 func0f117c80(OSPfs *pfs, s32 *arg1)
return 0;
}
s32 func0f117ce4(s32 arg0, s32 arg1, OSPfsState *note)
s32 func0f117ce4(OSPfs *pfs, s32 file_no, OSPfsState *note)
{
if (arg0) {
if (pfs) {
s32 result;
#if VERSION >= VERSION_NTSC_1_0
@ -1695,7 +1694,9 @@ s32 func0f117ce4(s32 arg0, s32 arg1, OSPfsState *note)
#else
joy000150e8(1363, "pak.c");
#endif
result = func00050a00(arg0, arg1, note);
result = osPfsFileState(pfs, file_no, note);
#if VERSION >= VERSION_NTSC_1_0
joy00015144();
#else
@ -1709,7 +1710,7 @@ s32 func0f117ce4(s32 arg0, s32 arg1, OSPfsState *note)
return 0x80;
}
if (arg1) {
if (file_no) {
return 0x84;
}

1
src/include/PR/os_pfs.h
View File

@ -154,6 +154,7 @@ extern s32 osPfsIsPlug(OSMesgQueue *, u8 *);
s32 osPfsAllocateFile(OSPfs *pfs, u16 company_code, u32 game_code, char *game_name, char *ext_name, s32 num_bytes, s32 *file_no);
s32 osPfsFindFile(OSPfs *pfs, u16 company_code, u32 game_code, char *game_name, char *ext_name, s32 *file_no);
s32 osPfsDeleteFile(OSPfs *pfs, u16 company_code, u32 game_code, char *game_name, char *ext_name);
s32 osPfsFileState(OSPfs *pfs, s32 file_no, OSPfsState *state);
#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */

2
src/include/game/pak/pak.h
View File

@ -51,7 +51,7 @@ s32 func0f117b04(OSMesgQueue *mq, OSPfs *pfs, s32 channel);
s32 func0f117b4c(s32 arg0, s32 arg1, u8 operation, u32 address, u32 len, u8 *buffer);
s32 func0f117c0c(s32 arg0, s32 *arg1, s32 *arg2);
s32 func0f117c80(OSPfs *pfs, s32 *arg1);
s32 func0f117ce4(s32 arg0, s32 arg1, OSPfsState *note);
s32 func0f117ce4(OSPfs *pfs, s32 file_no, OSPfsState *note);
s32 func0f117d90(OSPfs *pfs, u16 company_code, u32 game_code, char *game_name, char *ext_name, s32 size, s32 *file_no);
u32 func0f117e00(OSPfs *pfs, u16 company_code, u32 game_code, char *game_name, char *ext_name);
s32 func0f117e58(OSPfs *pfs, u16 company_code, u32 game_code, char *game_name, char *ext_name, s32 *file_no);

9
src/include/lib/lib_50a00.h
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@ -1,9 +0,0 @@
#ifndef _IN_LIB_LIB_50A00_H
#define _IN_LIB_LIB_50A00_H
#include <ultra64.h>
#include "data.h"
#include "types.h"
s32 func00050a00(s32 arg0, s32 arg1, OSPfsState *note);
#endif

150
src/lib/lib_50a00.c
View File

@ -1,150 +0,0 @@
#include <ultra64.h>
#include "libultra_internal.h"
#include "constants.h"
#include "bss.h"
#include "lib/lib_06100.h"
#include "lib/lib_06330.h"
#include "lib/lib_4b170.h"
#include "lib/lib_4e090.h"
#include "lib/lib_50a00.h"
#include "lib/lib_513b0.h"
#include "data.h"
#include "types.h"
GLOBAL_ASM(
glabel func00050a00
/* 50a00: 27bdfea0 */ addiu $sp,$sp,-352
/* 50a04: afbf002c */ sw $ra,0x2c($sp)
/* 50a08: afb40028 */ sw $s4,0x28($sp)
/* 50a0c: afb30024 */ sw $s3,0x24($sp)
/* 50a10: afb20020 */ sw $s2,0x20($sp)
/* 50a14: afb1001c */ sw $s1,0x1c($sp)
/* 50a18: afb00018 */ sw $s0,0x18($sp)
/* 50a1c: afa60168 */ sw $a2,0x168($sp)
/* 50a20: 8c8e0050 */ lw $t6,0x50($a0)
/* 50a24: 00a08025 */ or $s0,$a1,$zero
/* 50a28: 00809825 */ or $s3,$a0,$zero
/* 50a2c: 00ae082a */ slt $at,$a1,$t6
/* 50a30: 10200003 */ beqz $at,.L00050a40
/* 50a34: 00000000 */ nop
/* 50a38: 04a30004 */ bgezl $a1,.L00050a4c
/* 50a3c: 8e6f0000 */ lw $t7,0x0($s3)
.L00050a40:
/* 50a40: 1000005e */ b .L00050bbc
/* 50a44: 24020005 */ addiu $v0,$zero,0x5
/* 50a48: 8e6f0000 */ lw $t7,0x0($s3)
.L00050a4c:
/* 50a4c: 31f80001 */ andi $t8,$t7,0x1
/* 50a50: 17000003 */ bnez $t8,.L00050a60
/* 50a54: 00000000 */ nop
/* 50a58: 10000058 */ b .L00050bbc
/* 50a5c: 24020005 */ addiu $v0,$zero,0x5
.L00050a60:
/* 50a60: 0c013218 */ jal __osCheckId
/* 50a64: 02602025 */ or $a0,$s3,$zero
/* 50a68: 50400004 */ beqzl $v0,.L00050a7c
/* 50a6c: 92790065 */ lbu $t9,0x65($s3)
/* 50a70: 10000053 */ b .L00050bc0
/* 50a74: 8fbf002c */ lw $ra,0x2c($sp)
/* 50a78: 92790065 */ lbu $t9,0x65($s3)
.L00050a7c:
/* 50a7c: 02602025 */ or $a0,$s3,$zero
/* 50a80: 53200008 */ beqzl $t9,.L00050aa4
/* 50a84: 8e68005c */ lw $t0,0x5c($s3)
/* 50a88: 0c013378 */ jal __osPfsSelectBank
/* 50a8c: 00002825 */ or $a1,$zero,$zero
/* 50a90: 50400004 */ beqzl $v0,.L00050aa4
/* 50a94: 8e68005c */ lw $t0,0x5c($s3)
/* 50a98: 10000049 */ b .L00050bc0
/* 50a9c: 8fbf002c */ lw $ra,0x2c($sp)
/* 50aa0: 8e68005c */ lw $t0,0x5c($s3)
.L00050aa4:
/* 50aa4: 8e640004 */ lw $a0,0x4($s3)
/* 50aa8: 8e650008 */ lw $a1,0x8($s3)
/* 50aac: 01103021 */ addu $a2,$t0,$s0
/* 50ab0: 30c9ffff */ andi $t1,$a2,0xffff
/* 50ab4: 01203025 */ or $a2,$t1,$zero
/* 50ab8: 0c012e18 */ jal __osContRamRead
/* 50abc: 27a70038 */ addiu $a3,$sp,0x38
/* 50ac0: 10400003 */ beqz $v0,.L00050ad0
/* 50ac4: 97aa003c */ lhu $t2,0x3c($sp)
/* 50ac8: 1000003d */ b .L00050bc0
/* 50acc: 8fbf002c */ lw $ra,0x2c($sp)
.L00050ad0:
/* 50ad0: 11400003 */ beqz $t2,.L00050ae0
/* 50ad4: 8fab0038 */ lw $t3,0x38($sp)
/* 50ad8: 15600003 */ bnez $t3,.L00050ae8
/* 50adc: 27b40034 */ addiu $s4,$sp,0x34
.L00050ae0:
/* 50ae0: 10000036 */ b .L00050bbc
/* 50ae4: 24020005 */ addiu $v0,$zero,0x5
.L00050ae8:
/* 50ae8: 27ac003e */ addiu $t4,$sp,0x3e
/* 50aec: 95810000 */ lhu $at,0x0($t4)
/* 50af0: 00009025 */ or $s2,$zero,$zero
/* 50af4: 241000ff */ addiu $s0,$zero,0xff
/* 50af8: 27b10058 */ addiu $s1,$sp,0x58
/* 50afc: a6810000 */ sh $at,0x0($s4)
.L00050b00:
/* 50b00: 97af0034 */ lhu $t7,0x34($sp)
/* 50b04: 8e780060 */ lw $t8,0x60($s3)
/* 50b08: 93b90034 */ lbu $t9,0x34($sp)
/* 50b0c: 02602025 */ or $a0,$s3,$zero
/* 50b10: 01f8082a */ slt $at,$t7,$t8
/* 50b14: 14200011 */ bnez $at,.L00050b5c
/* 50b18: 02202825 */ or $a1,$s1,$zero
/* 50b1c: 12190008 */ beq $s0,$t9,.L00050b40
/* 50b20: 00003025 */ or $a2,$zero,$zero
/* 50b24: 03208025 */ or $s0,$t9,$zero
/* 50b28: 0c01324d */ jal __osPfsRWInode
/* 50b2c: 332700ff */ andi $a3,$t9,0xff
/* 50b30: 50400004 */ beqzl $v0,.L00050b44
/* 50b34: 93a80035 */ lbu $t0,0x35($sp)
/* 50b38: 10000021 */ b .L00050bc0
/* 50b3c: 8fbf002c */ lw $ra,0x2c($sp)
.L00050b40:
/* 50b40: 93a80035 */ lbu $t0,0x35($sp)
.L00050b44:
/* 50b44: 26520001 */ addiu $s2,$s2,0x1
/* 50b48: 00084840 */ sll $t1,$t0,0x1
/* 50b4c: 02295021 */ addu $t2,$s1,$t1
/* 50b50: 95410000 */ lhu $at,0x0($t2)
/* 50b54: 1000ffea */ b .L00050b00
/* 50b58: a6810000 */ sh $at,0x0($s4)
.L00050b5c:
/* 50b5c: 97ac0034 */ lhu $t4,0x34($sp)
/* 50b60: 24010001 */ addiu $at,$zero,0x1
/* 50b64: 8fa20168 */ lw $v0,0x168($sp)
/* 50b68: 11810003 */ beq $t4,$at,.L00050b78
/* 50b6c: 00127200 */ sll $t6,$s2,0x8
/* 50b70: 10000012 */ b .L00050bbc
/* 50b74: 24020003 */ addiu $v0,$zero,0x3
.L00050b78:
/* 50b78: ac4e0000 */ sw $t6,0x0($v0)
/* 50b7c: 97af003c */ lhu $t7,0x3c($sp)
/* 50b80: 27a40048 */ addiu $a0,$sp,0x48
/* 50b84: 2445000e */ addiu $a1,$v0,0xe
/* 50b88: a44f0008 */ sh $t7,0x8($v0)
/* 50b8c: 8fb80038 */ lw $t8,0x38($sp)
/* 50b90: 24060010 */ addiu $a2,$zero,0x10
/* 50b94: 0c012c5c */ jal bcopy
/* 50b98: ac580004 */ sw $t8,0x4($v0)
/* 50b9c: 8fa50168 */ lw $a1,0x168($sp)
/* 50ba0: 27a40044 */ addiu $a0,$sp,0x44
/* 50ba4: 24060004 */ addiu $a2,$zero,0x4
/* 50ba8: 0c012c5c */ jal bcopy
/* 50bac: 24a5000a */ addiu $a1,$a1,0xa
/* 50bb0: 8e640004 */ lw $a0,0x4($s3)
/* 50bb4: 0c012ea4 */ jal __osPfsGetStatus
/* 50bb8: 8e650008 */ lw $a1,0x8($s3)
.L00050bbc:
/* 50bbc: 8fbf002c */ lw $ra,0x2c($sp)
.L00050bc0:
/* 50bc0: 8fb00018 */ lw $s0,0x18($sp)
/* 50bc4: 8fb1001c */ lw $s1,0x1c($sp)
/* 50bc8: 8fb20020 */ lw $s2,0x20($sp)
/* 50bcc: 8fb30024 */ lw $s3,0x24($sp)
/* 50bd0: 8fb40028 */ lw $s4,0x28($sp)
/* 50bd4: 03e00008 */ jr $ra
/* 50bd8: 27bd0160 */ addiu $sp,$sp,0x160
);

1
src/lib/lib_50be0.c
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@ -6,7 +6,6 @@
#include "lib/lib_06330.h"
#include "lib/lib_4b170.h"
#include "lib/lib_4e090.h"
#include "lib/lib_50a00.h"
#include "lib/lib_513b0.h"
#include "data.h"
#include "types.h"

1
src/lib/lib_50d60.c
View File

@ -6,7 +6,6 @@
#include "lib/lib_06330.h"
#include "lib/lib_4b170.h"
#include "lib/lib_4e090.h"
#include "lib/lib_50a00.h"
#include "lib/lib_513b0.h"
#include "data.h"
#include "types.h"

1
src/lib/lib_50f20.c
View File

@ -4,7 +4,6 @@
#include "lib/lib_06330.h"
#include "lib/libc/ll.h"
#include "lib/lib_4e090.h"
#include "lib/lib_50a00.h"
#include "lib/lib_513b0.h"
#include "data.h"
#include "types.h"

79
src/lib/ultra/io/pfsfilestate.c Normal file
View File

@ -0,0 +1,79 @@
#include <ultra64.h>
#include "libultra_internal.h"
#include "constants.h"
#include "bss.h"
#include "lib/lib_06100.h"
#include "lib/lib_06330.h"
#include "lib/lib_4b170.h"
#include "lib/lib_4e090.h"
#include "lib/lib_513b0.h"
#include "data.h"
#include "types.h"
s32 osPfsFileState(OSPfs *pfs, s32 fileNo, OSPfsState *state)
{
s32 ret;
s32 pages;
__OSInode inode;
__OSDir dir;
__OSInodeUnit page;
u8 bank;
if (fileNo >= pfs->dir_size || fileNo < 0) {
return PFS_ERR_INVALID;
}
if (!(pfs->status & PFS_INITIALIZED)) {
return PFS_ERR_INVALID;
}
if ((ret = __osCheckId(pfs)) != 0) {
return ret;
}
if (pfs->activebank != 0 && (ret = __osPfsSelectBank(pfs, 0)) != 0) {
return ret;
}
if ((ret = __osContRamRead(pfs->queue, pfs->channel, pfs->dir_table + fileNo, (u8*)&dir)) != 0) {
return ret;
}
if (dir.company_code == 0 || dir.game_code == 0) {
return PFS_ERR_INVALID;
}
page = dir.start_page;
pages = 0;
bank = 0xff;
while (true) {
if (page.ipage < pfs->inode_start_page) {
break;
}
if (page.inode_t.bank != bank) {
bank = page.inode_t.bank;
if ((ret = __osPfsRWInode(pfs, &inode, PFS_READ, bank)) != 0) {
return ret;
}
}
pages++;
page = inode.inode_page[page.inode_t.page];
}
if (page.ipage != 1) {
return PFS_ERR_INCONSISTENT;
}
state->file_size = pages * PFS_ONE_PAGE * BLOCKSIZE;
state->company_code = dir.company_code;
state->game_code = dir.game_code;
bcopy(&dir.game_name, state->game_name, PFS_FILE_NAME_LEN);
bcopy(&dir.ext_name, state->ext_name, PFS_FILE_EXT_LEN);
return __osPfsGetStatus(pfs->queue, pfs->channel);
}