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Native FreeBSD parallel port (Juergen Lock)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5779 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-11-22 20:49:12 +00:00
parent 5f8712aa1e
commit 6972f93538
1 changed files with 65 additions and 0 deletions
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65
qemu-char.c
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@ -63,6 +63,8 @@
#include <sys/stat.h>
#ifdef __FreeBSD__
#include <libutil.h>
#include <dev/ppbus/ppi.h>
#include <dev/ppbus/ppbconf.h>
#else
#include <util.h>
#endif
@ -1269,6 +1271,65 @@ static CharDriverState *qemu_chr_open_pp(const char *filename)
}
#endif /* __linux__ */
#if defined(__FreeBSD__)
static int pp_ioctl(CharDriverState *chr, int cmd, void *arg)
{
int fd = (int)chr->opaque;
uint8_t b;
switch(cmd) {
case CHR_IOCTL_PP_READ_DATA:
if (ioctl(fd, PPIGDATA, &b) < 0)
return -ENOTSUP;
*(uint8_t *)arg = b;
break;
case CHR_IOCTL_PP_WRITE_DATA:
b = *(uint8_t *)arg;
if (ioctl(fd, PPISDATA, &b) < 0)
return -ENOTSUP;
break;
case CHR_IOCTL_PP_READ_CONTROL:
if (ioctl(fd, PPIGCTRL, &b) < 0)
return -ENOTSUP;
*(uint8_t *)arg = b;
break;
case CHR_IOCTL_PP_WRITE_CONTROL:
b = *(uint8_t *)arg;
if (ioctl(fd, PPISCTRL, &b) < 0)
return -ENOTSUP;
break;
case CHR_IOCTL_PP_READ_STATUS:
if (ioctl(fd, PPIGSTATUS, &b) < 0)
return -ENOTSUP;
*(uint8_t *)arg = b;
break;
default:
return -ENOTSUP;
}
return 0;
}
static CharDriverState *qemu_chr_open_pp(const char *filename)
{
CharDriverState *chr;
int fd;
fd = open(filename, O_RDWR);
if (fd < 0)
return NULL;
chr = qemu_mallocz(sizeof(CharDriverState));
if (!chr) {
close(fd);
return NULL;
}
chr->opaque = (void *)fd;
chr->chr_write = null_chr_write;
chr->chr_ioctl = pp_ioctl;
return chr;
}
#endif
#else /* _WIN32 */
typedef struct {
@ -2110,6 +2171,10 @@ CharDriverState *qemu_chr_open(const char *label, const char *filename)
if (strstart(filename, "/dev/parport", NULL)) {
chr = qemu_chr_open_pp(filename);
} else
#elif defined(__FreeBSD__)
if (strstart(filename, "/dev/ppi", NULL)) {
chr = qemu_chr_open_pp(filename);
} else
#endif
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__NetBSD__) || defined(__OpenBSD__)