mirror of
https://github.com/perfect-dark-pc-port/perfect_dark.git
synced 2026-10-24 00:02:43 +02:00
Decompile __osContRamRead
This commit is contained in:
Ryan Dwyer committed
1 parent
330fc29783
commit
5c443180f6
6 files changed
+76
-156
No files matched your search
@@ -67,6 +67,7 @@ $(B_DIR)/lib/ultra/gu/ortho.o: LOOPUNROLL :=
|
||||
$(B_DIR)/lib/ultra/io/conteepread.o: LOOPUNROLL :=
|
||||
$(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/pfschecker.o: LOOPUNROLL :=
|
||||
$(B_DIR)/lib/ultra/io/pfsgetstatus.o: LOOPUNROLL :=
|
||||
|
||||
|
||||
@@ -116,7 +116,8 @@ typedef struct
|
||||
/* 0x1 */ u8 txsize;
|
||||
/* 0x2 */ u8 rxsize;
|
||||
/* 0x3 */ u8 cmd;
|
||||
/* 0x4 */ u16 address;
|
||||
/* 0x4 */ u8 hi;
|
||||
/* 0x4 */ u8 lo;
|
||||
/* 0x6 */ u8 data[BLOCKSIZE];
|
||||
/* 0x26 */ u8 datacrc;
|
||||
} __OSContRamReadFormat;
|
||||
|
||||
+1
-1
@@ -120,7 +120,7 @@ extern OSThread *__osRunningThread;
|
||||
extern OSThread *__osFaultedThread;
|
||||
extern u32 __osSiAccessQueueEnabled;
|
||||
extern u32 __osContInitialized;
|
||||
extern u32 var80060970;
|
||||
extern s32 __osPfsLastChannel;
|
||||
extern s32 g_PfsPrevChannel;
|
||||
extern u8 g_PfsPrevBank;
|
||||
extern u32 var80060990;
|
||||
|
||||
@@ -65,5 +65,7 @@ s32 __osCheckPackId(OSPfs *pfs, __OSPackId *temp);
|
||||
s32 __osGetId(OSPfs *pfs);
|
||||
s32 __osCheckId(OSPfs *pfs);
|
||||
s32 __osPfsRWInode(OSPfs *pfs, __OSInode *inode, u8 flag, u8 bank);
|
||||
u8 __osContAddressCrc(u16 inaddr);
|
||||
u8 __osContDataCrc(u8 *data);
|
||||
|
||||
#endif
|
||||
+68
-152
@@ -1,156 +1,72 @@
|
||||
#include <libultra_internal.h>
|
||||
#include "bss.h"
|
||||
#include "data.h"
|
||||
|
||||
u32 var80060970 = 0xffffffff;
|
||||
s32 __osPfsLastChannel = -1;
|
||||
|
||||
GLOBAL_ASM(
|
||||
glabel __osContRamRead
|
||||
/* 4b860: 27bdffa0 */ addiu $sp,$sp,-96
|
||||
/* 4b864: afbf003c */ sw $ra,0x3c($sp)
|
||||
/* 4b868: afb60030 */ sw $s6,0x30($sp)
|
||||
/* 4b86c: afb5002c */ sw $s5,0x2c($sp)
|
||||
/* 4b870: afb1001c */ sw $s1,0x1c($sp)
|
||||
/* 4b874: 00a08825 */ or $s1,$a1,$zero
|
||||
/* 4b878: 0080b025 */ or $s6,$a0,$zero
|
||||
/* 4b87c: afbe0038 */ sw $s8,0x38($sp)
|
||||
/* 4b880: afb70034 */ sw $s7,0x34($sp)
|
||||
/* 4b884: afb40028 */ sw $s4,0x28($sp)
|
||||
/* 4b888: afb30024 */ sw $s3,0x24($sp)
|
||||
/* 4b88c: afb20020 */ sw $s2,0x20($sp)
|
||||
/* 4b890: afb00018 */ sw $s0,0x18($sp)
|
||||
/* 4b894: afa60068 */ sw $a2,0x68($sp)
|
||||
/* 4b898: afa7006c */ sw $a3,0x6c($sp)
|
||||
/* 4b89c: 0c012a18 */ jal __osSiGetAccess
|
||||
/* 4b8a0: 24150002 */ addiu $s5,$zero,0x2
|
||||
/* 4b8a4: 97a5006a */ lhu $a1,0x6a($sp)
|
||||
/* 4b8a8: 3c1e8006 */ lui $s8,%hi(var80060970)
|
||||
/* 4b8ac: 3c17800a */ lui $s7,%hi(__osContLastCmd)
|
||||
/* 4b8b0: 3c148009 */ lui $s4,%hi(__osPfsPifRam)
|
||||
/* 4b8b4: 000570c3 */ sra $t6,$a1,0x3
|
||||
/* 4b8b8: 00057940 */ sll $t7,$a1,0x5
|
||||
/* 4b8bc: afaf0040 */ sw $t7,0x40($sp)
|
||||
/* 4b8c0: afae0044 */ sw $t6,0x44($sp)
|
||||
/* 4b8c4: 26940a20 */ addiu $s4,$s4,%lo(__osPfsPifRam)
|
||||
/* 4b8c8: 26f7c820 */ addiu $s7,$s7,%lo(__osContLastCmd)
|
||||
/* 4b8cc: 27de0970 */ addiu $s8,$s8,%lo(var80060970)
|
||||
.L0004b8d0:
|
||||
/* 4b8d0: 92f80000 */ lbu $t8,0x0($s7)
|
||||
/* 4b8d4: 24010002 */ addiu $at,$zero,0x2
|
||||
/* 4b8d8: 97a5006a */ lhu $a1,0x6a($sp)
|
||||
/* 4b8dc: 17010003 */ bne $t8,$at,.L0004b8ec
|
||||
/* 4b8e0: 02808025 */ or $s0,$s4,$zero
|
||||
/* 4b8e4: 8fd90000 */ lw $t9,0x0($s8)
|
||||
/* 4b8e8: 12390023 */ beq $s1,$t9,.L0004b978
|
||||
.L0004b8ec:
|
||||
/* 4b8ec: 24080002 */ addiu $t0,$zero,0x2
|
||||
/* 4b8f0: a2e80000 */ sb $t0,0x0($s7)
|
||||
/* 4b8f4: afd10000 */ sw $s1,0x0($s8)
|
||||
/* 4b8f8: 1a200010 */ blez $s1,.L0004b93c
|
||||
/* 4b8fc: 00001025 */ or $v0,$zero,$zero
|
||||
/* 4b900: 32240003 */ andi $a0,$s1,0x3
|
||||
/* 4b904: 10800006 */ beqz $a0,.L0004b920
|
||||
/* 4b908: 00801825 */ or $v1,$a0,$zero
|
||||
.L0004b90c:
|
||||
/* 4b90c: 24420001 */ addiu $v0,$v0,0x1
|
||||
/* 4b910: a2000000 */ sb $zero,0x0($s0)
|
||||
/* 4b914: 1462fffd */ bne $v1,$v0,.L0004b90c
|
||||
/* 4b918: 26100001 */ addiu $s0,$s0,0x1
|
||||
/* 4b91c: 10510007 */ beq $v0,$s1,.L0004b93c
|
||||
.L0004b920:
|
||||
/* 4b920: 24420004 */ addiu $v0,$v0,0x4
|
||||
/* 4b924: a2000000 */ sb $zero,0x0($s0)
|
||||
/* 4b928: a2000001 */ sb $zero,0x1($s0)
|
||||
/* 4b92c: a2000002 */ sb $zero,0x2($s0)
|
||||
/* 4b930: a2000003 */ sb $zero,0x3($s0)
|
||||
/* 4b934: 1451fffa */ bne $v0,$s1,.L0004b920
|
||||
/* 4b938: 26100004 */ addiu $s0,$s0,0x4
|
||||
.L0004b93c:
|
||||
/* 4b93c: 24090001 */ addiu $t1,$zero,0x1
|
||||
/* 4b940: ae89003c */ sw $t1,0x3c($s4)
|
||||
/* 4b944: 240a00ff */ addiu $t2,$zero,0xff
|
||||
/* 4b948: 240b0003 */ addiu $t3,$zero,0x3
|
||||
/* 4b94c: 240c0021 */ addiu $t4,$zero,0x21
|
||||
/* 4b950: 240d0002 */ addiu $t5,$zero,0x2
|
||||
/* 4b954: 240e00ff */ addiu $t6,$zero,0xff
|
||||
/* 4b958: 240f00fe */ addiu $t7,$zero,0xfe
|
||||
/* 4b95c: a20a0000 */ sb $t2,0x0($s0)
|
||||
/* 4b960: a20b0001 */ sb $t3,0x1($s0)
|
||||
/* 4b964: a20c0002 */ sb $t4,0x2($s0)
|
||||
/* 4b968: a20d0003 */ sb $t5,0x3($s0)
|
||||
/* 4b96c: a20e0026 */ sb $t6,0x26($s0)
|
||||
/* 4b970: 10000002 */ b .L0004b97c
|
||||
/* 4b974: a20f0027 */ sb $t7,0x27($s0)
|
||||
.L0004b978:
|
||||
/* 4b978: 02918021 */ addu $s0,$s4,$s1
|
||||
.L0004b97c:
|
||||
/* 4b97c: 8fb80044 */ lw $t8,0x44($sp)
|
||||
/* 4b980: 30a4ffff */ andi $a0,$a1,0xffff
|
||||
/* 4b984: 0c014754 */ jal __osContAddressCrc
|
||||
/* 4b988: a2180004 */ sb $t8,0x4($s0)
|
||||
/* 4b98c: 8fb90040 */ lw $t9,0x40($sp)
|
||||
/* 4b990: 24040001 */ addiu $a0,$zero,0x1
|
||||
/* 4b994: 02802825 */ or $a1,$s4,$zero
|
||||
/* 4b998: 00594025 */ or $t0,$v0,$t9
|
||||
/* 4b99c: 0c012a34 */ jal __osSiRawStartDma
|
||||
/* 4b9a0: a2080005 */ sb $t0,0x5($s0)
|
||||
/* 4b9a4: 02c02025 */ or $a0,$s6,$zero
|
||||
/* 4b9a8: 00002825 */ or $a1,$zero,$zero
|
||||
/* 4b9ac: 0c0121bc */ jal osRecvMesg
|
||||
/* 4b9b0: 24060001 */ addiu $a2,$zero,0x1
|
||||
/* 4b9b4: 00002025 */ or $a0,$zero,$zero
|
||||
/* 4b9b8: 0c012a34 */ jal __osSiRawStartDma
|
||||
/* 4b9bc: 02802825 */ or $a1,$s4,$zero
|
||||
/* 4b9c0: 02c02025 */ or $a0,$s6,$zero
|
||||
/* 4b9c4: 00002825 */ or $a1,$zero,$zero
|
||||
/* 4b9c8: 0c0121bc */ jal osRecvMesg
|
||||
/* 4b9cc: 24060001 */ addiu $a2,$zero,0x1
|
||||
/* 4b9d0: 92130002 */ lbu $s3,0x2($s0)
|
||||
/* 4b9d4: 26120006 */ addiu $s2,$s0,0x6
|
||||
/* 4b9d8: 326900c0 */ andi $t1,$s3,0xc0
|
||||
/* 4b9dc: 00099903 */ sra $s3,$t1,0x4
|
||||
/* 4b9e0: 56600014 */ bnezl $s3,.L0004ba34
|
||||
/* 4b9e4: 24130001 */ addiu $s3,$zero,0x1
|
||||
/* 4b9e8: 0c014788 */ jal __osContDataCrc
|
||||
/* 4b9ec: 02402025 */ or $a0,$s2,$zero
|
||||
/* 4b9f0: 920b0026 */ lbu $t3,0x26($s0)
|
||||
/* 4b9f4: 02402025 */ or $a0,$s2,$zero
|
||||
/* 4b9f8: 8fa5006c */ lw $a1,0x6c($sp)
|
||||
/* 4b9fc: 11620008 */ beq $t3,$v0,.L0004ba20
|
||||
/* 4ba00: 00000000 */ nop
|
||||
/* 4ba04: 02c02025 */ or $a0,$s6,$zero
|
||||
/* 4ba08: 0c012ea4 */ jal __osPfsGetStatus
|
||||
/* 4ba0c: 02202825 */ or $a1,$s1,$zero
|
||||
/* 4ba10: 1440000d */ bnez $v0,.L0004ba48
|
||||
/* 4ba14: 00409825 */ or $s3,$v0,$zero
|
||||
/* 4ba18: 10000006 */ b .L0004ba34
|
||||
/* 4ba1c: 24130004 */ addiu $s3,$zero,0x4
|
||||
.L0004ba20:
|
||||
/* 4ba20: 0c012c5c */ jal bcopy
|
||||
/* 4ba24: 24060020 */ addiu $a2,$zero,0x20
|
||||
/* 4ba28: 10000003 */ b .L0004ba38
|
||||
/* 4ba2c: 24010004 */ addiu $at,$zero,0x4
|
||||
/* 4ba30: 24130001 */ addiu $s3,$zero,0x1
|
||||
.L0004ba34:
|
||||
/* 4ba34: 24010004 */ addiu $at,$zero,0x4
|
||||
.L0004ba38:
|
||||
/* 4ba38: 16610003 */ bne $s3,$at,.L0004ba48
|
||||
/* 4ba3c: 2aa20000 */ slti $v0,$s5,0x0
|
||||
/* 4ba40: 1040ffa3 */ beqz $v0,.L0004b8d0
|
||||
/* 4ba44: 26b5ffff */ addiu $s5,$s5,-1
|
||||
.L0004ba48:
|
||||
/* 4ba48: 0c012a29 */ jal __osSiRelAccess
|
||||
/* 4ba4c: 00000000 */ nop
|
||||
/* 4ba50: 8fbf003c */ lw $ra,0x3c($sp)
|
||||
/* 4ba54: 02601025 */ or $v0,$s3,$zero
|
||||
/* 4ba58: 8fb30024 */ lw $s3,0x24($sp)
|
||||
/* 4ba5c: 8fb00018 */ lw $s0,0x18($sp)
|
||||
/* 4ba60: 8fb1001c */ lw $s1,0x1c($sp)
|
||||
/* 4ba64: 8fb20020 */ lw $s2,0x20($sp)
|
||||
/* 4ba68: 8fb40028 */ lw $s4,0x28($sp)
|
||||
/* 4ba6c: 8fb5002c */ lw $s5,0x2c($sp)
|
||||
/* 4ba70: 8fb60030 */ lw $s6,0x30($sp)
|
||||
/* 4ba74: 8fb70034 */ lw $s7,0x34($sp)
|
||||
/* 4ba78: 8fbe0038 */ lw $s8,0x38($sp)
|
||||
/* 4ba7c: 03e00008 */ jr $ra
|
||||
/* 4ba80: 27bd0060 */ addiu $sp,$sp,0x60
|
||||
);
|
||||
s32 __osContRamRead(OSMesgQueue* ctrlrqueue, s32 channel, u16 addr, u8* data)
|
||||
{
|
||||
s32 ret;
|
||||
s32 i;
|
||||
u8* bufptr;
|
||||
s32 retryCount = 2;
|
||||
|
||||
__osSiGetAccess();
|
||||
|
||||
do {
|
||||
bufptr = (u8*)&__osPfsPifRam;
|
||||
|
||||
if ((__osContLastCmd != 2) || (__osPfsLastChannel != channel)) {
|
||||
__osContLastCmd = 2;
|
||||
__osPfsLastChannel = channel;
|
||||
|
||||
for (i = 0; i < channel; i++) { *bufptr++ = 0; }
|
||||
|
||||
__osPfsPifRam.pifstatus = 1;
|
||||
((__OSContRamReadFormat*)bufptr)->dummy = 255;
|
||||
((__OSContRamReadFormat*)bufptr)->txsize = 3;
|
||||
((__OSContRamReadFormat*)bufptr)->rxsize = 33;
|
||||
((__OSContRamReadFormat*)bufptr)->cmd = CONT_CMD_READ_MEMPACK;
|
||||
((__OSContRamReadFormat*)bufptr)->datacrc = 0xff;
|
||||
|
||||
bufptr[sizeof(__OSContRamReadFormat)] = CONT_CMD_END;
|
||||
} else {
|
||||
bufptr += channel;
|
||||
}
|
||||
|
||||
((__OSContRamReadFormat*)bufptr)->hi = addr >> 3;
|
||||
((__OSContRamReadFormat*)bufptr)->lo = (s8)(__osContAddressCrc(addr) | (addr << 5));
|
||||
|
||||
__osSiRawStartDma(OS_WRITE, &__osPfsPifRam);
|
||||
osRecvMesg(ctrlrqueue, NULL, OS_MESG_BLOCK);
|
||||
|
||||
__osSiRawStartDma(OS_READ, &__osPfsPifRam);
|
||||
osRecvMesg(ctrlrqueue, NULL, OS_MESG_BLOCK);
|
||||
|
||||
ret = (((__OSContRamReadFormat*)bufptr)->rxsize & 0xC0) >> 4;
|
||||
|
||||
if (!ret) {
|
||||
if (((__OSContRamReadFormat*)bufptr)->datacrc != __osContDataCrc(bufptr + 6)) {
|
||||
ret = __osPfsGetStatus(ctrlrqueue, channel);
|
||||
|
||||
if (ret) {
|
||||
break;
|
||||
}
|
||||
|
||||
ret = 4; // Retry
|
||||
} else {
|
||||
bcopy(bufptr + 6, data, BLOCKSIZE);
|
||||
}
|
||||
} else {
|
||||
ret = 1; // Error
|
||||
}
|
||||
|
||||
if (ret != 4) {
|
||||
break;
|
||||
}
|
||||
} while (0 <= retryCount--);
|
||||
|
||||
__osSiRelAccess();
|
||||
|
||||
return ret;
|
||||
}
|
||||
@@ -38,12 +38,12 @@ glabel __osContRamWrite
|
||||
/* 4b688: a7a60072 */ sh $a2,0x72($sp)
|
||||
/* 4b68c: 0010c0c3 */ sra $t8,$s0,0x3
|
||||
/* 4b690: 0010c940 */ sll $t9,$s0,0x5
|
||||
/* 4b694: 3c178006 */ lui $s7,%hi(var80060970)
|
||||
/* 4b694: 3c178006 */ lui $s7,%hi(__osPfsLastChannel)
|
||||
/* 4b698: 3c16800a */ lui $s6,%hi(__osContLastCmd)
|
||||
/* 4b69c: 3c138009 */ lui $s3,%hi(__osPfsPifRam)
|
||||
/* 4b6a0: 26730a20 */ addiu $s3,$s3,%lo(__osPfsPifRam)
|
||||
/* 4b6a4: 26d6c820 */ addiu $s6,$s6,%lo(__osContLastCmd)
|
||||
/* 4b6a8: 26f70970 */ addiu $s7,$s7,%lo(var80060970)
|
||||
/* 4b6a8: 26f70970 */ addiu $s7,$s7,%lo(__osPfsLastChannel)
|
||||
/* 4b6ac: afb90040 */ sw $t9,0x40($sp)
|
||||
/* 4b6b0: afb80044 */ sw $t8,0x44($sp)
|
||||
/* 4b6b4: 241e0003 */ addiu $s8,$zero,0x3
|
||||
|
||||
Reference in new issue
Block a user