113 lines
3.0 KiB
C
113 lines
3.0 KiB
C
#pragma once
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#define SYSCALL_GDROM 0x00
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#define GDROM_SEND_COMMAND 0x00
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#define GDROM_CHECK_COMMAND 0x01
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#define GDROM_MAIN 0x02
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#define GDROM_INIT 0x03
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#define GDROM_CHECK_DRIVE 0x04
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#define GDROM_G1_DMA_END 0x05 // r4: callback, r5: callback arg
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#define GDROM_REQ_DMA_TRANS 0x06 // r4: request id
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#define GDROM_CHECK_DMA_TRANS 0x07 // r4: request id, r5: u32 *size
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#define GDROM_ABORT_COMMAND 0x08
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#define GDROM_RESET 0x09
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#define GDROM_SECTOR_MODE 0x0A
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#define GDROM_SET_PIO_CALLBACK 0x0B // r4: callback, r5: callback arg
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#define GDROM_REQ_PIO_TRANS 0x0C // r4: request id
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#define GDROM_CHECK_PIO_TRANS 0x0D // r4: request id, r5: u32 *size
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#define GDCC_PIOREAD 0x10
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#define GDCC_DMAREAD 0x11
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#define GDCC_GETTOC 0x12
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#define GDCC_GETTOC2 0x13
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#define GDCC_PLAY 0x14
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#define GDCC_PLAY_SECTOR 0x15
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#define GDCC_PAUSE 0x16
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#define GDCC_RELEASE 0x17
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#define GDCC_INIT 0x18
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#define GDCC_SEEK 0x1b
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#define GDCC_READ 0x1c
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#define GDCC_REQ_MODE 0x1e
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#define GDCC_SET_MODE 0x1f
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#define GDCC_STOP 0x21
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#define GDCC_GETSCD 0x22
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#define GDCC_GETSES 0x23
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#define GDCC_REQ_STAT 0x24
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#define GDCC_MULTI_DMAREAD 0x26
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#define GDCC_MULTI_PIOREAD 0x27
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#define GDCC_GET_VER 0x28
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// pseudo-commands for multi dma/pio xfers
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#define GDCC_REQ_DMA_TRANS 0x106
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#define GDCC_REQ_PIO_TRANS 0x10C
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#define MISC_INIT 0x00
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#define MISC_SETVECTOR 0x01
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void gdrom_hle_op();
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typedef enum { BIOS_ERROR = -1, BIOS_INACTIVE, BIOS_ACTIVE, BIOS_COMPLETED, BIOS_DATA_AVAIL } gd_bios_status;
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struct gdrom_hle_state_t
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{
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gdrom_hle_state_t() : params{}, result{} {}
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u32 last_request_id = 0xFFFFFFFF;
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u32 next_request_id = 2;
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gd_bios_status status = BIOS_INACTIVE;
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u32 command = 0;
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u32 params[4];
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u32 result[4];
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u32 cur_sector = 0;
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u32 multi_read_sector = 0;
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u32 multi_read_offset = 0;
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u32 multi_read_count = 0;
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u32 multi_read_total = 0;
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u32 multi_callback = 0;
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u32 multi_callback_arg = 0;
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bool dma_trans_ended = false;
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u64 xfer_end_time = 0;
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bool Serialize(void **data, unsigned int *total_size)
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{
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REICAST_S(last_request_id);
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REICAST_S(next_request_id);
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REICAST_S(status);
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REICAST_S(command);
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REICAST_S(params);
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REICAST_S(result);
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REICAST_S(cur_sector);
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REICAST_S(multi_read_sector);
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REICAST_S(multi_read_offset);
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REICAST_S(multi_read_count);
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REICAST_S(multi_read_total);
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REICAST_S(multi_callback);
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REICAST_S(multi_callback_arg);
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REICAST_S(dma_trans_ended);
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REICAST_S(xfer_end_time);
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return true;
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}
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bool Unserialize(void **data, unsigned int *total_size)
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{
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REICAST_US(last_request_id);
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REICAST_US(next_request_id);
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REICAST_US(status);
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REICAST_US(command);
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REICAST_US(params);
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REICAST_US(result);
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REICAST_US(cur_sector);
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REICAST_US(multi_read_sector);
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REICAST_US(multi_read_offset);
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REICAST_US(multi_read_count);
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REICAST_US(multi_read_total);
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REICAST_US(multi_callback);
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REICAST_US(multi_callback_arg);
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REICAST_US(dma_trans_ended);
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REICAST_US(xfer_end_time);
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return true;
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}
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};
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extern gdrom_hle_state_t gd_hle_state;
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