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- CD-ROM under Linux only worked when a CD was in the drive when B2 was

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- Unix/main_unix.cpp: 1Hz interrupt wasn't triggered
This commit is contained in:
cebix 2000-07-24 20:39:34 +00:00
parent 1e8598eefa
commit b248b687db
3 changed files with 16 additions and 9 deletions
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2
BasiliskII/src/Unix/main_unix.cpp
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@ -717,7 +717,7 @@ static void one_second(void)
// Pseudo Mac 1Hz interrupt, update local time
WriteMacInt32(0x20c, TimerDateTime());
SetInterruptFlag(INTFLAG_60HZ);
SetInterruptFlag(INTFLAG_1HZ);
TriggerInterrupt();
#ifndef HAVE_PTHREADS

13
BasiliskII/src/Unix/sys_unix.cpp
View File

@ -273,7 +273,7 @@ void *Sys_open(const char *name, bool read_only)
}
// Open file/device
#if defined(__linux__)
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0));
#else
int fd = open(name, read_only ? O_RDONLY : O_RDWR);
@ -549,6 +549,17 @@ bool SysIsDiskInserted(void *arg)
lseek(fh->fd, 0, SEEK_SET);
return read(fh->fd, block, 512) == 512;
} else if (fh->is_cdrom) {
#ifdef CDROM_MEDIA_CHANGED
if (fh->cdrom_cap & CDC_MEDIA_CHANGED) {
// If we don't do this, all attempts to read from a disc fail
// once the tray has been open (altough the TOC reads fine).
// Can somebody explain this to me?
if (ioctl(fh->fd, CDROM_MEDIA_CHANGED) == 1) {
close(fh->fd);
fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
}
}
#endif
#ifdef CDROM_DRIVE_STATUS
if (fh->cdrom_cap & CDC_DRIVE_STATUS) {
return ioctl(fh->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK;

10
BasiliskII/src/cdrom.cpp
View File

@ -185,16 +185,12 @@ static void find_hfs_partition(DriveInfo *info)
if (Sys_read(info->fh, map, i * 512, 512) != 512)
break;
// Skip driver descriptor
uint16 sig = ntohs(((uint16 *)map)[0]);
if (sig == 0x4552)
continue;
// No partition map? Then look at next block
// Not a partition map block? Then look at next block
uint16 sig = (map[0] << 8) | map[1];
if (sig != 0x504d)
continue;
// Partition map found, Apple HFS partition?
// Partition map block found, Apple HFS partition?
if (strcmp((char *)(map + 48), "Apple_HFS") == 0) {
info->start_byte = ntohl(((uint32 *)map)[2]) << 9;
D(bug(" HFS partition found at %d, %d blocks\n", info->start_byte, ntohl(((uint32 *)map)[3])));