Decompile osEPiRawReadIo
This commit is contained in:
Ryan Dwyer
parent
118709c4a2
commit
ecca5afa94
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@ -1,150 +1,63 @@
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#include <libultra_internal.h>
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#include "data.h"
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GLOBAL_ASM(
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glabel osEPiRawReadIo
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/* 51a60: 3c03a460 */ lui $v1,0xa460
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/* 51a64: 34630010 */ ori $v1,$v1,0x10
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/* 51a68: 8c620000 */ lw $v0,0x0($v1)
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/* 51a6c: 00a03825 */ or $a3,$a1,$zero
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/* 51a70: 304e0003 */ andi $t6,$v0,0x3
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/* 51a74: 51c00006 */ beqzl $t6,.L00051a90
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/* 51a78: 90820009 */ lbu $v0,0x9($a0)
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/* 51a7c: 8c620000 */ lw $v0,0x0($v1)
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.L00051a80:
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/* 51a80: 304f0003 */ andi $t7,$v0,0x3
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/* 51a84: 55e0fffe */ bnezl $t7,.L00051a80
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/* 51a88: 8c620000 */ lw $v0,0x0($v1)
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/* 51a8c: 90820009 */ lbu $v0,0x9($a0)
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.L00051a90:
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/* 51a90: 3c038006 */ lui $v1,%hi(__osCurrentHandle)
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/* 51a94: 90990004 */ lbu $t9,0x4($a0)
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/* 51a98: 0002c080 */ sll $t8,$v0,0x2
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/* 51a9c: 00781821 */ addu $v1,$v1,$t8
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/* 51aa0: 8c63cf20 */ lw $v1,%lo(__osCurrentHandle)($v1)
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/* 51aa4: 90680004 */ lbu $t0,0x4($v1)
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/* 51aa8: 5328003d */ beql $t9,$t0,.L00051ba0
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/* 51aac: 8c8a000c */ lw $t2,0xc($a0)
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/* 51ab0: 14400019 */ bnez $v0,.L00051b18
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/* 51ab4: 00602825 */ or $a1,$v1,$zero
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/* 51ab8: 90820005 */ lbu $v0,0x5($a0)
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/* 51abc: 90690005 */ lbu $t1,0x5($v1)
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/* 51ac0: 3c0aa460 */ lui $t2,0xa460
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/* 51ac4: 3c0ca460 */ lui $t4,0xa460
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/* 51ac8: 10490002 */ beq $v0,$t1,.L00051ad4
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/* 51acc: 3c0ea460 */ lui $t6,0xa460
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/* 51ad0: ad420014 */ sw $v0,0x14($t2)
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.L00051ad4:
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/* 51ad4: 90820006 */ lbu $v0,0x6($a0)
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/* 51ad8: 90ab0006 */ lbu $t3,0x6($a1)
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/* 51adc: 3c18a460 */ lui $t8,0xa460
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/* 51ae0: 504b0003 */ beql $v0,$t3,.L00051af0
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/* 51ae4: 90820007 */ lbu $v0,0x7($a0)
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/* 51ae8: ad82001c */ sw $v0,0x1c($t4)
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/* 51aec: 90820007 */ lbu $v0,0x7($a0)
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.L00051af0:
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/* 51af0: 90ad0007 */ lbu $t5,0x7($a1)
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/* 51af4: 504d0003 */ beql $v0,$t5,.L00051b04
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/* 51af8: 90820008 */ lbu $v0,0x8($a0)
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/* 51afc: adc20020 */ sw $v0,0x20($t6)
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/* 51b00: 90820008 */ lbu $v0,0x8($a0)
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.L00051b04:
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/* 51b04: 90af0008 */ lbu $t7,0x8($a1)
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/* 51b08: 504f001b */ beql $v0,$t7,.L00051b78
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/* 51b0c: 908f0004 */ lbu $t7,0x4($a0)
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/* 51b10: 10000018 */ b .L00051b74
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/* 51b14: af020018 */ sw $v0,0x18($t8)
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.L00051b18:
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/* 51b18: 90820005 */ lbu $v0,0x5($a0)
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/* 51b1c: 90b90005 */ lbu $t9,0x5($a1)
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/* 51b20: 3c08a460 */ lui $t0,0xa460
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/* 51b24: 3c0aa460 */ lui $t2,0xa460
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/* 51b28: 10590002 */ beq $v0,$t9,.L00051b34
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/* 51b2c: 3c0ca460 */ lui $t4,0xa460
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/* 51b30: ad020024 */ sw $v0,0x24($t0)
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.L00051b34:
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/* 51b34: 90820006 */ lbu $v0,0x6($a0)
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/* 51b38: 90a90006 */ lbu $t1,0x6($a1)
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/* 51b3c: 3c0ea460 */ lui $t6,0xa460
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/* 51b40: 50490003 */ beql $v0,$t1,.L00051b50
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/* 51b44: 90820007 */ lbu $v0,0x7($a0)
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/* 51b48: ad42002c */ sw $v0,0x2c($t2)
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/* 51b4c: 90820007 */ lbu $v0,0x7($a0)
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.L00051b50:
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/* 51b50: 90ab0007 */ lbu $t3,0x7($a1)
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/* 51b54: 504b0003 */ beql $v0,$t3,.L00051b64
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/* 51b58: 90820008 */ lbu $v0,0x8($a0)
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/* 51b5c: ad820030 */ sw $v0,0x30($t4)
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/* 51b60: 90820008 */ lbu $v0,0x8($a0)
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.L00051b64:
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/* 51b64: 90ad0008 */ lbu $t5,0x8($a1)
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/* 51b68: 504d0003 */ beql $v0,$t5,.L00051b78
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/* 51b6c: 908f0004 */ lbu $t7,0x4($a0)
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/* 51b70: adc20028 */ sw $v0,0x28($t6)
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.L00051b74:
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/* 51b74: 908f0004 */ lbu $t7,0x4($a0)
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.L00051b78:
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/* 51b78: a0af0004 */ sb $t7,0x4($a1)
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/* 51b7c: 90980005 */ lbu $t8,0x5($a0)
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/* 51b80: a0b80005 */ sb $t8,0x5($a1)
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/* 51b84: 90990006 */ lbu $t9,0x6($a0)
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/* 51b88: a0b90006 */ sb $t9,0x6($a1)
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/* 51b8c: 90880007 */ lbu $t0,0x7($a0)
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/* 51b90: a0a80007 */ sb $t0,0x7($a1)
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/* 51b94: 90890008 */ lbu $t1,0x8($a0)
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/* 51b98: a0a90008 */ sb $t1,0x8($a1)
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/* 51b9c: 8c8a000c */ lw $t2,0xc($a0)
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.L00051ba0:
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/* 51ba0: 3c01a000 */ lui $at,0xa000
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/* 51ba4: 00001025 */ or $v0,$zero,$zero
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/* 51ba8: 01475825 */ or $t3,$t2,$a3
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/* 51bac: 01616025 */ or $t4,$t3,$at
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/* 51bb0: 8d8d0000 */ lw $t5,0x0($t4)
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/* 51bb4: 03e00008 */ jr $ra
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/* 51bb8: accd0000 */ sw $t5,0x0($a2)
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);
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#define WAIT_ON_IOBUSY(stat) \
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stat = IO_READ(PI_STATUS_REG); \
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while (stat & (PI_STATUS_IO_BUSY | PI_STATUS_DMA_BUSY)) \
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stat = IO_READ(PI_STATUS_REG);
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//#define WAIT_ON_IOBUSY(stat) \
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// stat = IO_READ(PI_STATUS_REG); \
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// while (stat & (PI_STATUS_IO_BUSY | PI_STATUS_DMA_BUSY)) \
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// stat = IO_READ(PI_STATUS_REG);
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//
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//#define UPDATE_REG(reg, var) \
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// if (cHandle->var != pihandle->var) \
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// IO_WRITE(reg, pihandle->var);
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//
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// Mismatch: branch/branch-likely
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//s32 osEPiRawReadIo(OSPiHandle *pihandle, u32 devAddr, u32 *data)
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//{
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// u32 stat;
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// u32 domain;
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//
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// WAIT_ON_IOBUSY(stat)
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//
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// domain = pihandle->domain;
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//
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// if (__osCurrentHandle[domain]->type != pihandle->type) {
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// OSPiHandle *cHandle = __osCurrentHandle[domain];
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//
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// if (domain == PI_DOMAIN1) {
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// UPDATE_REG(PI_BSD_DOM1_LAT_REG, latency);
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// UPDATE_REG(PI_BSD_DOM1_PGS_REG, pageSize);
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// UPDATE_REG(PI_BSD_DOM1_RLS_REG, relDuration);
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// UPDATE_REG(PI_BSD_DOM1_PWD_REG, pulse);
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// } else {
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// UPDATE_REG(PI_BSD_DOM2_LAT_REG, latency);
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// UPDATE_REG(PI_BSD_DOM2_PGS_REG, pageSize);
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// UPDATE_REG(PI_BSD_DOM2_RLS_REG, relDuration);
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// UPDATE_REG(PI_BSD_DOM2_PWD_REG, pulse);
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// }
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//
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// cHandle->type = pihandle->type;
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// cHandle->latency = pihandle->latency;
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// cHandle->pageSize = pihandle->pageSize;
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// cHandle->relDuration = pihandle->relDuration;
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// cHandle->pulse = pihandle->pulse;
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// }
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//
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// *data = IO_READ(pihandle->baseAddress | devAddr);
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// return 0;
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//}
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s32 osEPiRawReadIo(OSPiHandle *handle, u32 devAddr, u32 *data)
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{
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u32 stat = IO_READ(PI_STATUS_REG);
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while (stat & (PI_STATUS_IO_BUSY | PI_STATUS_DMA_BUSY)) {
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stat = IO_READ(PI_STATUS_REG);
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}
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if (__osCurrentHandle[handle->domain]->type != handle->type) {
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OSPiHandle *cHandle = __osCurrentHandle[handle->domain];
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if (handle->domain == PI_DOMAIN1) {
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if (cHandle->latency != handle->latency) {
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IO_WRITE(PI_BSD_DOM1_LAT_REG, handle->latency);
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}
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if (cHandle->pageSize != handle->pageSize) {
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IO_WRITE(PI_BSD_DOM1_PGS_REG, handle->pageSize);
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}
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if (cHandle->relDuration != handle->relDuration) {
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IO_WRITE(PI_BSD_DOM1_RLS_REG, handle->relDuration);
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}
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if (cHandle->pulse != handle->pulse) {
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IO_WRITE(PI_BSD_DOM1_PWD_REG, handle->pulse);
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}
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} else {
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if (cHandle->latency != handle->latency) {
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IO_WRITE(PI_BSD_DOM2_LAT_REG, handle->latency);
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}
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if (cHandle->pageSize != handle->pageSize) {
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IO_WRITE(PI_BSD_DOM2_PGS_REG, handle->pageSize);
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}
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if (cHandle->relDuration != handle->relDuration) {
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IO_WRITE(PI_BSD_DOM2_RLS_REG, handle->relDuration);
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}
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if (cHandle->pulse != handle->pulse) {
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IO_WRITE(PI_BSD_DOM2_PWD_REG, handle->pulse);
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}
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}
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cHandle->type = handle->type;
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cHandle->latency = handle->latency;
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cHandle->pageSize = handle->pageSize;
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cHandle->relDuration = handle->relDuration;
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cHandle->pulse = handle->pulse;
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}
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*data = IO_READ(handle->baseAddress | devAddr);
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return 0;
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}
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