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Overhauled and unified CD-ROM emulation;

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Four CD-ROM drives are now emulated;
ATAPI DMA is now emulated;
Unified CD-ROM pass through to host drive handling;
Applied all (applicable) mainline PCem commits.
This commit is contained in:
OBattler
2017-01-16 01:49:19 +01:00
parent 0a11edd343
commit 4f7fd84229
41 changed files with 5953 additions and 5129 deletions
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41
src/ide.h
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@@ -4,7 +4,35 @@
#ifndef __IDE__
#define __IDE__
struct IDE;
typedef struct IDE
{
int type;
int board;
uint8_t atastat;
uint8_t error;
int secount,sector,cylinder,head,drive,cylprecomp;
uint8_t command;
uint8_t fdisk;
int pos;
int packlen;
int spt,hpc;
int tracks;
int packetstatus;
uint8_t asc;
int reset;
FILE *hdfile;
uint16_t buffer[65536];
int irqstat;
int service;
int lba;
int channel;
uint32_t lba_addr;
int skip512;
int blocksize, blockcount;
uint16_t dma_identify_data[3];
int hdi,base;
int hdc_num;
} IDE;
extern void writeide(int ide_board, uint16_t addr, uint8_t val);
extern void writeidew(int ide_board, uint16_t val);
@@ -23,7 +51,7 @@ extern void ide_pri_disable();
extern void ide_sec_disable();
extern void ide_ter_disable();
extern void ide_qua_disable();
extern void ide_set_bus_master(int (*read_sector)(int channel, uint8_t *data), int (*write_sector)(int channel, uint8_t *data), void (*set_irq)(int channel));
extern void ide_set_bus_master(int (*read)(int channel, uint8_t *data, int transfer_length), int (*write)(int channel, uint8_t *data, int transfer_length), void (*set_irq)(int channel));
extern int ideboard;
@@ -34,6 +62,13 @@ extern int idecallback[4];
extern char ide_fn[IDE_NUM][512];
extern int atapi_cdrom_channel;
void ide_irq_lower(IDE *ide);
IDE ide_drives[IDE_NUM];
void ide_padstr8(uint8_t *buf, int buf_size, const char *src);
void win_cdrom_eject(uint8_t id);
void win_cdrom_reload(uint8_t id);
#endif //__IDE__