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#include "PRinternal/macros.h"
#include "PR/rcp.h"
#include "PRinternal/controller.h"
#include "PRinternal/siint.h"
OSPifRam __osEepPifRam;
#if BUILD_VERSION >= VERSION_L
s32 __osEepromRead16K;
#endif
static void __osPackEepReadData(u8 address);
s32 osEepromRead(OSMesgQueue* mq, u8 address, u8* buffer) {
s32 ret = 0;
int i = 0;
u16 type;
u8* ptr;
OSContStatus sdata;
__OSContEepromFormat eepromformat;
ptr = (u8*)&__osEepPifRam.ramarray;
__osSiGetAccess();
ret = __osEepStatus(mq, &sdata);
type = sdata.type & (CONT_EEPROM | CONT_EEP16K);
#if BUILD_VERSION >= VERSION_J
if (ret == 0) {
switch (type) {
case CONT_EEPROM:
if (address >= EEPROM_MAXBLOCKS) {
ret = CONT_RANGE_ERROR;
}
break;
case CONT_EEPROM | CONT_EEP16K:
if (address >= EEP16K_MAXBLOCKS) {
// not technically possible
ret = CONT_RANGE_ERROR;
}
#if BUILD_VERSION >= VERSION_L
else {
__osEepromRead16K = 1;
}
#endif
break;
default:
ret = CONT_NO_RESPONSE_ERROR;
}
}
if (ret != 0) {
__osSiRelAccess();
return ret;
}
#else
if (ret != 0)
{
__osSiRelAccess();
return CONT_NO_RESPONSE_ERROR;
} else {
switch (type) {
case CONT_EEPROM:
if (address > EEPROM_MAXBLOCKS) {
__osSiRelAccess();
return CONT_RANGE_ERROR;
}
break;
case CONT_EEPROM | CONT_EEP16K:
if (address > EEP16K_MAXBLOCKS) {
// not technically possible
__osSiRelAccess();
return CONT_RANGE_ERROR;
}
break;
default:
__osSiRelAccess();
return CONT_NO_RESPONSE_ERROR;
}
}
#endif
while (sdata.status & CONT_EEPROM_BUSY) {
__osEepStatus(mq, &sdata);
}
__osPackEepReadData(address);
ret = __osSiRawStartDma(OS_WRITE, &__osEepPifRam); // send command to pif
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
ret = __osSiRawStartDma(OS_READ, &__osEepPifRam); // recv response
__osContLastCmd = CONT_CMD_READ_EEPROM;
osRecvMesg(mq, NULL, OS_MESG_BLOCK);
for (i = 0; i < MAXCONTROLLERS; i++) {
// skip the first 4 bytes
ptr++;
}
eepromformat = *(__OSContEepromFormat*)ptr;
ret = CHNL_ERR(eepromformat);
if (ret == 0) {
for (i = 0; i < ARRLEN(eepromformat.data); i++) {
*buffer++ = eepromformat.data[i];
}
}
__osSiRelAccess();
return ret;
}
static void __osPackEepReadData(u8 address) {
u8* ptr = (u8*)&__osEepPifRam.ramarray;
__OSContEepromFormat eepromformat;
int i;
#if BUILD_VERSION < VERSION_J
for (i = 0; i < ARRLEN(__osEepPifRam.ramarray); i++) {
__osEepPifRam.ramarray[i] = CONT_CMD_NOP;
}
#endif
__osEepPifRam.pifstatus = CONT_CMD_EXE;
eepromformat.txsize = CONT_CMD_READ_EEPROM_TX;
eepromformat.rxsize = CONT_CMD_READ_EEPROM_RX;
eepromformat.cmd = CONT_CMD_READ_EEPROM;
eepromformat.address = address;
#if BUILD_VERSION < VERSION_J
for (i = 0; i < ARRLEN(eepromformat.data); i++) {
eepromformat.data[i] = 0;
}
#endif
for (i = 0; i < MAXCONTROLLERS; i++) {
*ptr++ = 0;
}
*(__OSContEepromFormat*)(ptr) = eepromformat;
ptr += sizeof(__OSContEepromFormat);
ptr[0] = CONT_CMD_END;
}
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