Decompile osEepromWrite
This commit is contained in:
Ryan Dwyer
parent
d805971e64
commit
f22a2d4e1a
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@ -2,110 +2,71 @@
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#include "bss.h"
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#include "data.h"
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GLOBAL_ASM(
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glabel osEepromWrite
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/* 4bcc0: 27bdffb8 */ addiu $sp,$sp,-72
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/* 4bcc4: afbf001c */ sw $ra,0x1c($sp)
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/* 4bcc8: afb10018 */ sw $s1,0x18($sp)
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/* 4bccc: 00808825 */ or $s1,$a0,$zero
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/* 4bcd0: afb00014 */ sw $s0,0x14($sp)
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/* 4bcd4: afa5004c */ sw $a1,0x4c($sp)
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/* 4bcd8: 0c012a18 */ jal __osSiGetAccess
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/* 4bcdc: afa60050 */ sw $a2,0x50($sp)
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/* 4bce0: 27b0002c */ addiu $s0,$sp,0x2c
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/* 4bce4: 02002825 */ or $a1,$s0,$zero
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/* 4bce8: 0c012fb9 */ jal __osEepStatus
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/* 4bcec: 02202025 */ or $a0,$s1,$zero
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/* 4bcf0: 14400015 */ bnez $v0,.L0004bd48
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/* 4bcf4: 00401825 */ or $v1,$v0,$zero
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/* 4bcf8: 97ae002c */ lhu $t6,0x2c($sp)
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/* 4bcfc: 34018000 */ dli $at,0x8000
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/* 4bd00: 93b8004f */ lbu $t8,0x4f($sp)
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/* 4bd04: 31cfc000 */ andi $t7,$t6,0xc000
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/* 4bd08: 11e10005 */ beq $t7,$at,.L0004bd20
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/* 4bd0c: 3401c000 */ dli $at,0xc000
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/* 4bd10: 11e10008 */ beq $t7,$at,.L0004bd34
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/* 4bd14: 93b9004f */ lbu $t9,0x4f($sp)
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/* 4bd18: 1000000b */ b .L0004bd48
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/* 4bd1c: 24030008 */ addiu $v1,$zero,0x8
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.L0004bd20:
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/* 4bd20: 2b010040 */ slti $at,$t8,0x40
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/* 4bd24: 14200008 */ bnez $at,.L0004bd48
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/* 4bd28: 00000000 */ nop
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/* 4bd2c: 10000006 */ b .L0004bd48
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/* 4bd30: 2403ffff */ addiu $v1,$zero,-1
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.L0004bd34:
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/* 4bd34: 2b210100 */ slti $at,$t9,0x100
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/* 4bd38: 14200003 */ bnez $at,.L0004bd48
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/* 4bd3c: 00000000 */ nop
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/* 4bd40: 10000001 */ b .L0004bd48
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/* 4bd44: 2403ffff */ addiu $v1,$zero,-1
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.L0004bd48:
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/* 4bd48: 10600005 */ beqz $v1,.L0004bd60
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/* 4bd4c: 93a8002e */ lbu $t0,0x2e($sp)
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/* 4bd50: 0c012a29 */ jal __osSiRelAccess
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/* 4bd54: afa30044 */ sw $v1,0x44($sp)
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/* 4bd58: 10000032 */ b .L0004be24
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/* 4bd5c: 8fa20044 */ lw $v0,0x44($sp)
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.L0004bd60:
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/* 4bd60: 31090080 */ andi $t1,$t0,0x80
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/* 4bd64: 11200007 */ beqz $t1,.L0004bd84
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/* 4bd68: 02202025 */ or $a0,$s1,$zero
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.L0004bd6c:
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/* 4bd6c: 0c012fb9 */ jal __osEepStatus
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/* 4bd70: 02002825 */ or $a1,$s0,$zero
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/* 4bd74: 93aa002e */ lbu $t2,0x2e($sp)
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/* 4bd78: 314b0080 */ andi $t3,$t2,0x80
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/* 4bd7c: 5560fffb */ bnezl $t3,.L0004bd6c
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/* 4bd80: 02202025 */ or $a0,$s1,$zero
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.L0004bd84:
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/* 4bd84: 93a4004f */ lbu $a0,0x4f($sp)
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/* 4bd88: 0c012f8e */ jal __osPackEepWriteData
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/* 4bd8c: 8fa50050 */ lw $a1,0x50($sp)
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/* 4bd90: 3c05800a */ lui $a1,%hi(__osEepPifRam)
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/* 4bd94: 24a5ca80 */ addiu $a1,$a1,%lo(__osEepPifRam)
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/* 4bd98: 0c012a34 */ jal __osSiRawStartDma
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/* 4bd9c: 24040001 */ addiu $a0,$zero,0x1
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/* 4bda0: 02202025 */ or $a0,$s1,$zero
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/* 4bda4: 00002825 */ or $a1,$zero,$zero
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/* 4bda8: 0c0121bc */ jal osRecvMesg
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/* 4bdac: 24060001 */ addiu $a2,$zero,0x1
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/* 4bdb0: 3c05800a */ lui $a1,%hi(__osEepPifRam)
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/* 4bdb4: 24a5ca80 */ addiu $a1,$a1,%lo(__osEepPifRam)
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/* 4bdb8: 0c012a34 */ jal __osSiRawStartDma
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/* 4bdbc: 00002025 */ or $a0,$zero,$zero
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/* 4bdc0: 240c0005 */ addiu $t4,$zero,0x5
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/* 4bdc4: 3c01800a */ lui $at,%hi(__osContLastCmd)
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/* 4bdc8: a02cc820 */ sb $t4,%lo(__osContLastCmd)($at)
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/* 4bdcc: 02202025 */ or $a0,$s1,$zero
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/* 4bdd0: 00002825 */ or $a1,$zero,$zero
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/* 4bdd4: 0c0121bc */ jal osRecvMesg
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/* 4bdd8: 24060001 */ addiu $a2,$zero,0x1
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/* 4bddc: 3c07800a */ lui $a3,%hi(__osEepPifRam+0x4)
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/* 4bde0: 24e7ca84 */ addiu $a3,$a3,%lo(__osEepPifRam+0x4)
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/* 4bde4: 88e10000 */ lwl $at,0x0($a3)
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/* 4bde8: 98e10003 */ lwr $at,0x3($a3)
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/* 4bdec: 27ad0030 */ addiu $t5,$sp,0x30
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/* 4bdf0: ada10000 */ sw $at,0x0($t5)
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/* 4bdf4: 88f80004 */ lwl $t8,0x4($a3)
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/* 4bdf8: 98f80007 */ lwr $t8,0x7($a3)
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/* 4bdfc: adb80004 */ sw $t8,0x4($t5)
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/* 4be00: 88e10008 */ lwl $at,0x8($a3)
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/* 4be04: 98e1000b */ lwr $at,0xb($a3)
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/* 4be08: ada10008 */ sw $at,0x8($t5)
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/* 4be0c: 93a30031 */ lbu $v1,0x31($sp)
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/* 4be10: 307900c0 */ andi $t9,$v1,0xc0
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/* 4be14: 00194103 */ sra $t0,$t9,0x4
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/* 4be18: 0c012a29 */ jal __osSiRelAccess
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/* 4be1c: afa80044 */ sw $t0,0x44($sp)
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/* 4be20: 8fa20044 */ lw $v0,0x44($sp)
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.L0004be24:
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/* 4be24: 8fbf001c */ lw $ra,0x1c($sp)
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/* 4be28: 8fb00014 */ lw $s0,0x14($sp)
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/* 4be2c: 8fb10018 */ lw $s1,0x18($sp)
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/* 4be30: 03e00008 */ jr $ra
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/* 4be34: 27bd0048 */ addiu $sp,$sp,0x48
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);
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void __osPackEepWriteData(u8 address, u8 *buffer);
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s32 osEepromWrite(OSMesgQueue *mq, u8 address, u8 *buffer)
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{
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s32 ret;
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u16 type;
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u8 *ptr;
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__OSContEepromFormat eepromformat;
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OSContStatus sdata;
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ret = 0;
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ptr = (u8 *)&__osEepPifRam.ramarray;
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__osSiGetAccess();
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ret = __osEepStatus(mq, &sdata);
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type = sdata.type & (CONT_EEPROM | CONT_EEP16K);
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if (ret == 0) {
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switch (type) {
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case CONT_EEPROM:
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// @bug: Should be > EEPROM_MAXBLOCKS
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if (address >= EEPROM_MAXBLOCKS) {
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ret = -1;
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}
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break;
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case CONT_EEPROM | CONT_EEP16K:
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// @bug: Should be > EEP16K_MAXBLOCKS
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if (address >= EEP16K_MAXBLOCKS) {
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ret = -1;
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}
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break;
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default:
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if (1);
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ret = CONT_NO_RESPONSE_ERROR;
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break;
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}
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}
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if (ret != 0) {
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__osSiRelAccess();
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return ret;
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}
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while (sdata.status & CONT_EEPROM_BUSY) {
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__osEepStatus(mq, &sdata);
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}
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__osPackEepWriteData(address, buffer);
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ret = __osSiRawStartDma(OS_WRITE, &__osEepPifRam);
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osRecvMesg(mq, NULL, OS_MESG_BLOCK);
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ret = __osSiRawStartDma(OS_READ, &__osEepPifRam);
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__osContLastCmd = CONT_CMD_WRITE_EEPROM;
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osRecvMesg(mq, NULL, OS_MESG_BLOCK);
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ptr += 4;
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eepromformat = *(__OSContEepromFormat *)ptr;
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ret = CHNL_ERR(eepromformat);
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__osSiRelAccess();
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return ret;
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}
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void __osPackEepWriteData(u8 address, u8 *buffer)
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{
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