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Implemented ATAPI Read CD-ROM Capacity command, fixes CD usage in OS/2.

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This commit is contained in:
TomW 2014-07-12 14:22:54 +01:00
commit 8283d3ee73
3 changed files with 40 additions and 0 deletions
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17
src/cdrom-ioctl.c
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@ -18,6 +18,7 @@ typedef struct _CDROM_TOC_SESSION_DATA {
} CDROM_TOC_SESSION_DATA, *PCDROM_TOC_SESSION_DATA;
static ATAPI ioctl_atapi;
static uint32_t last_block = 0;
static int ioctl_inited = 0;
static char ioctl_path[8];
static void ioctl_close(void);
@ -383,14 +384,20 @@ static int ioctl_readtoc(unsigned char *b, unsigned char starttrack, int msf, in
}
}
b[2]=toc.TrackData[c].TrackNumber;
last_block = 0;
for (c=d;c<=toc.LastTrack;c++)
{
uint32_t address;
if ((len+8)>maxlen) break;
// pclog("Len %i max %i Track %02X - %02X %02X %i %i %i %i %08X\n",len,maxlen,toc.TrackData[c].TrackNumber,toc.TrackData[c].Adr,toc.TrackData[c].Control,toc.TrackData[c].Address[0],toc.TrackData[c].Address[1],toc.TrackData[c].Address[2],toc.TrackData[c].Address[3],MSFtoLBA(toc.TrackData[c].Address[1],toc.TrackData[c].Address[2],toc.TrackData[c].Address[3]));
b[len++]=0; /*Reserved*/
b[len++]=(toc.TrackData[c].Adr<<4)|toc.TrackData[c].Control;
b[len++]=toc.TrackData[c].TrackNumber;
b[len++]=0; /*Reserved*/
address = MSFtoLBA(toc.TrackData[c].Address[1],toc.TrackData[c].Address[2],toc.TrackData[c].Address[3]);
if (address > last_block)
last_block = address;
if (msf)
{
b[len++]=toc.TrackData[c].Address[0];
@ -461,6 +468,15 @@ static void ioctl_readtoc_session(unsigned char *b, int msf, int maxlen)
}
}
static uint32_t ioctl_size()
{
unsigned char b[4096];
atapi->readtoc(b, 0, 0, 4096, 0);
return last_block;
}
int ioctl_open(char d)
{
// char s[8];
@ -510,6 +526,7 @@ static ATAPI ioctl_atapi=
ioctl_eject,
ioctl_pause,
ioctl_resume,
ioctl_size,
ioctl_stop,
ioctl_exit
};