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Attempt to decompile osEPiRawReadIo

This commit is contained in:
Ryan Dwyer 2021-03-17 19:04:00 +10:00
parent 66bb93c9c1
commit d13495c417
1 changed files with 45 additions and 0 deletions
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45
src/lib/ultra/io/epirawread.c
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@ -103,3 +103,48 @@ glabel osEPiRawReadIo
/* 51bb4: 03e00008 */ jr $ra
/* 51bb8: accd0000 */ sw $t5,0x0($a2)
);
//#define WAIT_ON_IOBUSY(stat) \
// stat = IO_READ(PI_STATUS_REG); \
// while (stat & (PI_STATUS_IO_BUSY | PI_STATUS_DMA_BUSY)) \
// stat = IO_READ(PI_STATUS_REG);
//
//#define UPDATE_REG(reg, var) \
// if (cHandle->var != pihandle->var) \
// IO_WRITE(reg, pihandle->var);
//
// Mismatch: branch/branch-likely
//s32 osEPiRawReadIo(OSPiHandle *pihandle, u32 devAddr, u32 *data)
//{
// u32 stat;
// u32 domain;
//
// WAIT_ON_IOBUSY(stat)
//
// domain = pihandle->domain;
//
// if (__osCurrentHandle[domain]->type != pihandle->type) {
// OSPiHandle *cHandle = __osCurrentHandle[domain];
//
// if (domain == PI_DOMAIN1) {
// UPDATE_REG(PI_BSD_DOM1_LAT_REG, latency);
// UPDATE_REG(PI_BSD_DOM1_PGS_REG, pageSize);
// UPDATE_REG(PI_BSD_DOM1_RLS_REG, relDuration);
// UPDATE_REG(PI_BSD_DOM1_PWD_REG, pulse);
// } else {
// UPDATE_REG(PI_BSD_DOM2_LAT_REG, latency);
// UPDATE_REG(PI_BSD_DOM2_PGS_REG, pageSize);
// UPDATE_REG(PI_BSD_DOM2_RLS_REG, relDuration);
// UPDATE_REG(PI_BSD_DOM2_PWD_REG, pulse);
// }
//
// cHandle->type = pihandle->type;
// cHandle->latency = pihandle->latency;
// cHandle->pageSize = pihandle->pageSize;
// cHandle->relDuration = pihandle->relDuration;
// cHandle->pulse = pihandle->pulse;
// }
//
// *data = IO_READ(pihandle->baseAddress | devAddr);
// return 0;
//}