mirror of
https://github.com/HarbourMasters/Shipwright.git
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ba13e6b2c4
Co-authored-by: kenix3 <kenixwhisperwind@gmail.com> Co-authored-by: David Chavez <david@dcvz.io> Co-authored-by: KiritoDv <kiritodev01@gmail.com> Co-authored-by: Christopher Leggett <chris@leggett.dev>
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
#include <libultraship/libultra.h>
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#include "global.h"
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s32 __osContRamWrite(OSMesgQueue* mq, s32 channel, u16 address, u8* buffer, s32 force) {
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s32 ret = 0;
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s32 i;
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u8* ptr;
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s32 retry = 2;
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u8 crc;
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if ((force != PFS_FORCE) && (address < PFS_LABEL_AREA) && (address != 0)) {
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return 0;
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}
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__osSiGetAccess();
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do {
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ptr = (u8*)(&gPifMempakBuf);
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if (__osContLastPoll != CONT_CMD_WRITE_MEMPACK || __osPfsLastChannel != channel) {
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__osContLastPoll = CONT_CMD_WRITE_MEMPACK;
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__osPfsLastChannel = channel;
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// clang-format off
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for (i = 0; i < channel; i++) { *ptr++ = 0; }
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// clang-format on
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gPifMempakBuf.status = 1;
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((__OSContRamHeader*)ptr)->unk_00 = 0xFF;
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((__OSContRamHeader*)ptr)->txsize = 35;
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((__OSContRamHeader*)ptr)->rxsize = 1;
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((__OSContRamHeader*)ptr)->poll = CONT_CMD_WRITE_MEMPACK;
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((__OSContRamHeader*)ptr)->datacrc = 0xFF;
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ptr[sizeof(__OSContRamHeader)] = CONT_CMD_END;
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} else {
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ptr += channel;
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}
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((__OSContRamHeader*)ptr)->hi = address >> 3;
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((__OSContRamHeader*)ptr)->lo = ((address << 5) | __osContAddressCrc(address));
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bcopy(buffer, ((__OSContRamHeader*)ptr)->data, BLOCKSIZE);
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ret = __osSiRawStartDma(OS_WRITE, &gPifMempakBuf);
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crc = __osContDataCrc(buffer);
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osRecvMesg(mq, (OSMesg*)NULL, OS_MESG_BLOCK);
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ret = __osSiRawStartDma(OS_READ, &gPifMempakBuf);
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osRecvMesg(mq, (OSMesg*)NULL, OS_MESG_BLOCK);
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ret = ((((__OSContRamHeader*)ptr)->rxsize & 0xC0) >> 4);
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if (!ret) {
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if (crc != ((__OSContRamHeader*)ptr)->datacrc) {
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if ((ret = __osPfsGetStatus(mq, channel))) {
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break;
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} else {
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ret = PFS_ERR_CONTRFAIL;
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}
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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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} while ((ret == PFS_ERR_CONTRFAIL) && (retry-- >= 0));
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__osSiRelAccess();
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return ret;
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}
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