diff options
| -rw-r--r-- | qemu-char.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/qemu-char.c b/qemu-char.c index 2cf864454..d2335dd60 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -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__) |