88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
#include "libultra_internal.h"
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#include "PR/rcp.h"
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#include "controller.h"
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extern s32 func_8030A5C0(OSMesgQueue *, s32);
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void __osPackRamWriteData(int channel, u16 address, u8 *buffer);
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s32 __osContRamWrite(OSMesgQueue *mq, int channel, u16 address, u8 *buffer, int force) {
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s32 ret;
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int i;
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u8 *ptr;
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__OSContRamReadFormat ramreadformat;
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int retry;
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ret = 0;
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ptr = (u8 *)&__osPfsPifRam;
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retry = 2;
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if (force != 1 && address < 7 && address != 0) {
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return 0;
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}
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__osSiGetAccess();
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_osLastSentSiCmd = CONT_CMD_WRITE_MEMPACK;
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__osPackRamWriteData(channel, address, buffer);
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ret = __osSiRawStartDma(OS_WRITE, &__osPfsPifRam);
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osRecvMesg(mq, NULL, OS_MESG_BLOCK);
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do {
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ret = __osSiRawStartDma(OS_READ, &__osPfsPifRam);
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osRecvMesg(mq, NULL, OS_MESG_BLOCK);
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ptr = (u8 *)&__osPfsPifRam;
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if (channel != 0) {
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for (i = 0; i < channel; i++) {
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ptr++;
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}
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}
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ramreadformat = *(__OSContRamReadFormat *)ptr;
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ret = CHNL_ERR(ramreadformat);
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if (ret == 0) {
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if (__osContDataCrc(buffer) != ramreadformat.datacrc) {
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ret = func_8030A5C0(mq, channel);
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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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ret = PFS_ERR_CONTRFAIL;
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}
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} else {
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ret = PFS_ERR_NOPACK;
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}
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if (ret != PFS_ERR_CONTRFAIL) {
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break;
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}
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} while ((retry-- >= 0));
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__osSiRelAccess();
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return ret;
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}
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void __osPackRamWriteData(int channel, u16 address, u8 *buffer) {
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u8 *ptr;
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__OSContRamReadFormat ramreadformat;
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int i;
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ptr = (u8 *)__osPfsPifRam.ramarray;
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for (i = 0; i < ARRLEN(__osPfsPifRam.ramarray) + 1; i++) { // also clear pifstatus
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__osPfsPifRam.ramarray[i] = 0;
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}
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__osPfsPifRam.pifstatus = CONT_CMD_EXE;
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ramreadformat.dummy = CONT_CMD_NOP;
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ramreadformat.txsize = CONT_CMD_WRITE_MEMPACK_TX;
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ramreadformat.rxsize = CONT_CMD_WRITE_MEMPACK_RX;
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ramreadformat.cmd = CONT_CMD_WRITE_MEMPACK;
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ramreadformat.address = (address << 0x5) | __osContAddressCrc(address);
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ramreadformat.datacrc = CONT_CMD_NOP;
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for (i = 0; i < ARRLEN(ramreadformat.data); i++) {
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ramreadformat.data[i] = *buffer++;
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}
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if (channel != 0) {
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for (i = 0; i < channel; i++) {
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*ptr++ = 0;
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}
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}
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*(__OSContRamReadFormat *)ptr = ramreadformat;
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ptr += sizeof(__OSContRamReadFormat);
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ptr[0] = CONT_CMD_END;
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}
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