Decompile __osPfsCheckRamArea
This commit is contained in:
Ryan Dwyer
parent
67d754e703
commit
bfbe350468
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@ -12,7 +12,6 @@ s32 osPfsInitPak(OSMesgQueue *mq, OSPfs *pfs, s32 channel, s32 *arg3);
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s32 osPfsInitPak(OSMesgQueue *mq, OSPfs *pfs, s32 channel);
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#endif
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s32 func00006f98(OSPfs *pfs);
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s32 func00007084(OSPfs *pfs);
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#endif
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@ -4,6 +4,4 @@
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#include "data.h"
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#include "types.h"
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s32 func0004e090(u8 *id, u8 *buffer, u32 len);
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#endif
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@ -598,6 +598,8 @@ glabel func00006550
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/* 6d5c: 27bd02d0 */ addiu $sp,$sp,0x2d0
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);
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s32 __osPfsCheckRamArea(OSPfs* pfs);
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#if VERSION >= VERSION_NTSC_1_0
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s32 osPfsInitPak(OSMesgQueue *queue, OSPfs *pfs, s32 channel, s32 *arg3)
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#else
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@ -625,7 +627,7 @@ s32 osPfsInitPak(OSMesgQueue *queue, OSPfs *pfs, s32 channel)
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pfs->channel = channel;
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pfs->status = 0;
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ERRCK(func00006f98(pfs));
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ERRCK(__osPfsCheckRamArea(pfs));
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ERRCK(__osPfsSelectBank(pfs, 0));
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ERRCK(__osContRamRead(pfs->queue, pfs->channel, 1, (u8*)temp));
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__osIdCheckSum((u16*)temp, &sum, &isum);
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@ -693,76 +695,40 @@ s32 osPfsInitPak(OSMesgQueue *queue, OSPfs *pfs, s32 channel)
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return ret;
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}
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GLOBAL_ASM(
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glabel func00006f98
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/* 6f98: 27bdff68 */ addiu $sp,$sp,-152
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/* 6f9c: afbf0024 */ sw $ra,0x24($sp)
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/* 6fa0: afb00020 */ sw $s0,0x20($sp)
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/* 6fa4: 00808025 */ or $s0,$a0,$zero
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/* 6fa8: 0c013378 */ jal __osPfsSelectBank
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/* 6fac: 00002825 */ or $a1,$zero,$zero
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/* 6fb0: 10400003 */ beqz $v0,.L00006fc0
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/* 6fb4: 00003025 */ or $a2,$zero,$zero
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/* 6fb8: 1000002e */ b .L00007074
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/* 6fbc: 8fbf0024 */ lw $ra,0x24($sp)
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.L00006fc0:
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/* 6fc0: 8e040004 */ lw $a0,0x4($s0)
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/* 6fc4: 8e050008 */ lw $a1,0x8($s0)
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/* 6fc8: 0c012e18 */ jal __osContRamRead
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/* 6fcc: 27a70030 */ addiu $a3,$sp,0x30
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/* 6fd0: 10400003 */ beqz $v0,.L00006fe0
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/* 6fd4: 27a30070 */ addiu $v1,$sp,0x70
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/* 6fd8: 10000026 */ b .L00007074
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/* 6fdc: 8fbf0024 */ lw $ra,0x24($sp)
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.L00006fe0:
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/* 6fe0: 00001025 */ or $v0,$zero,$zero
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/* 6fe4: 24040020 */ addiu $a0,$zero,0x20
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.L00006fe8:
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/* 6fe8: a0620000 */ sb $v0,0x0($v1)
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/* 6fec: 24420001 */ addiu $v0,$v0,0x1
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/* 6ff0: 1444fffd */ bne $v0,$a0,.L00006fe8
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/* 6ff4: 24630001 */ addiu $v1,$v1,0x1
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/* 6ff8: 8e040004 */ lw $a0,0x4($s0)
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/* 6ffc: 8e050008 */ lw $a1,0x8($s0)
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/* 7000: afa00010 */ sw $zero,0x10($sp)
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/* 7004: 00003025 */ or $a2,$zero,$zero
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/* 7008: 0c012d84 */ jal __osContRamWrite
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/* 700c: 27a70070 */ addiu $a3,$sp,0x70
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/* 7010: 10400003 */ beqz $v0,.L00007020
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/* 7014: 00003025 */ or $a2,$zero,$zero
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/* 7018: 10000016 */ b .L00007074
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/* 701c: 8fbf0024 */ lw $ra,0x24($sp)
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.L00007020:
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/* 7020: 8e040004 */ lw $a0,0x4($s0)
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/* 7024: 8e050008 */ lw $a1,0x8($s0)
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/* 7028: 0c012e18 */ jal __osContRamRead
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/* 702c: 27a70050 */ addiu $a3,$sp,0x50
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/* 7030: 10400003 */ beqz $v0,.L00007040
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/* 7034: 27a40070 */ addiu $a0,$sp,0x70
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/* 7038: 1000000e */ b .L00007074
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/* 703c: 8fbf0024 */ lw $ra,0x24($sp)
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.L00007040:
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/* 7040: 27a50050 */ addiu $a1,$sp,0x50
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/* 7044: 0c013824 */ jal func0004e090
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/* 7048: 24060020 */ addiu $a2,$zero,0x20
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/* 704c: 10400003 */ beqz $v0,.L0000705c
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/* 7050: 00003025 */ or $a2,$zero,$zero
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/* 7054: 10000006 */ b .L00007070
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/* 7058: 2402000b */ addiu $v0,$zero,0xb
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.L0000705c:
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/* 705c: 8e040004 */ lw $a0,0x4($s0)
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/* 7060: 8e050008 */ lw $a1,0x8($s0)
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/* 7064: afa00010 */ sw $zero,0x10($sp)
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/* 7068: 0c012d84 */ jal __osContRamWrite
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/* 706c: 27a70030 */ addiu $a3,$sp,0x30
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.L00007070:
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/* 7070: 8fbf0024 */ lw $ra,0x24($sp)
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.L00007074:
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/* 7074: 8fb00020 */ lw $s0,0x20($sp)
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/* 7078: 27bd0098 */ addiu $sp,$sp,0x98
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/* 707c: 03e00008 */ jr $ra
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/* 7080: 00000000 */ nop
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);
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s32 __osPfsCheckRamArea(OSPfs* pfs)
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{
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s32 i = 0;
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s32 ret = 0;
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u8 temp1[BLOCKSIZE];
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u8 temp2[BLOCKSIZE];
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u8 saveReg[BLOCKSIZE];
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if ((ret = __osPfsSelectBank(pfs, 0)) != 0) {
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return ret;
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}
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if ((ret = __osContRamRead(pfs->queue, pfs->channel, 0, saveReg)) != 0) {
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return ret;
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}
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for (i = 0; i < BLOCKSIZE; i++) {
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temp1[i] = i;
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}
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if ((ret = __osContRamWrite(pfs->queue, pfs->channel, 0, temp1, 0)) != 0) {
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return ret;
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}
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if ((ret = __osContRamRead(pfs->queue, pfs->channel, 0, temp2)) != 0) {
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return ret;
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}
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if (bcmp(temp1, temp2, BLOCKSIZE) != 0) {
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return PFS_ERR_DEVICE;
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}
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return __osContRamWrite(pfs->queue, pfs->channel, 0, saveReg, 0);
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}
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#if VERSION >= VERSION_NTSC_1_0
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GLOBAL_ASM(
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@ -8,7 +8,7 @@
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#include "types.h"
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GLOBAL_ASM(
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glabel func0004e090
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glabel bcmp
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/* 4e090: 28c10010 */ slti $at,$a2,0x10
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/* 4e094: 14200037 */ bnez $at,.L0004e174
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/* 4e098: 00851026 */ xor $v0,$a0,$a1
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@ -94,7 +94,7 @@ glabel func00050d60
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/* 50e34: 248411f0 */ addiu $a0,$a0,%lo(var800611f0)
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/* 50e38: 27a50028 */ addiu $a1,$sp,0x28
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/* 50e3c: 24060030 */ addiu $a2,$zero,0x30
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/* 50e40: 0c013824 */ jal func0004e090
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/* 50e40: 0c013824 */ jal bcmp
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/* 50e44: afa70088 */ sw $a3,0x88($sp)
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/* 50e48: 10400003 */ beqz $v0,.L00050e58
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/* 50e4c: 8fa70088 */ lw $a3,0x88($sp)
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@ -124,7 +124,7 @@ glabel func50f20
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.L000510c0:
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/* 510c0: 02a02025 */ or $a0,$s5,$zero
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/* 510c4: 02502821 */ addu $a1,$s2,$s0
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/* 510c8: 0c013824 */ jal func0004e090
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/* 510c8: 0c013824 */ jal bcmp
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/* 510cc: 24060020 */ addiu $a2,$zero,0x20
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/* 510d0: 10400003 */ beqz $v0,.L000510e0
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/* 510d4: 26920020 */ addiu $s2,$s4,0x20
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@ -191,7 +191,7 @@ glabel func50f20
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/* 511b0: 27ab007c */ addiu $t3,$sp,0x7c
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/* 511b4: 020b2821 */ addu $a1,$s0,$t3
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/* 511b8: 03d02021 */ addu $a0,$s8,$s0
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/* 511bc: 0c013824 */ jal func0004e090
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/* 511bc: 0c013824 */ jal bcmp
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/* 511c0: 24060020 */ addiu $a2,$zero,0x20
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/* 511c4: 10400003 */ beqz $v0,.L000511d4
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/* 511c8: 26520020 */ addiu $s2,$s2,0x20
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@ -285,7 +285,7 @@ glabel func50f20
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/* 5130c: 8fbf0044 */ lw $ra,0x44($sp)
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.L00051310:
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/* 51310: 02202825 */ or $a1,$s1,$zero
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/* 51314: 0c013824 */ jal func0004e090
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/* 51314: 0c013824 */ jal bcmp
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/* 51318: 24060020 */ addiu $a2,$zero,0x20
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/* 5131c: 10400003 */ beqz $v0,.L0005132c
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/* 51320: 26920020 */ addiu $s2,$s4,0x20
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@ -211,7 +211,7 @@ glabel func00051778
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/* 51834: 8fbf0024 */ lw $ra,0x24($sp)
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.L00051838:
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/* 51838: 27a50050 */ addiu $a1,$sp,0x50
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/* 5183c: 0c013824 */ jal func0004e090
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/* 5183c: 0c013824 */ jal bcmp
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/* 51840: 24060020 */ addiu $a2,$zero,0x20
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/* 51844: 10400003 */ beqz $v0,.L00051854
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/* 51848: 00003025 */ or $a2,$zero,$zero
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@ -504,7 +504,7 @@ s32 __osCheckId(OSPfs *pfs)
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ERRCK(__osContRamRead(pfs->queue, pfs->channel, 1, (u8*)temp));
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}
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if (func0004e090(pfs->id, temp, 0x20) != 0) {
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if (bcmp(pfs->id, temp, 0x20) != 0) {
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return PFS_ERR_NEW_PACK;
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}
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