diff options
Diffstat (limited to 'lib/driver.c')
-rw-r--r-- | lib/driver.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/driver.c b/lib/driver.c index 5ec67b491b..8f6c2ffaa6 100644 --- a/lib/driver.c +++ b/lib/driver.c @@ -292,6 +292,28 @@ ssize_t dev_erase(struct device_d *dev, size_t count, unsigned long offset) return -ENOSYS; } +ssize_t dev_memmap(struct device_d *dev, void **map, int flags) +{ + if (dev->driver->memmap) + return dev->driver->memmap(dev, map, flags); + errno = -ENOSYS; + return -ENOSYS; +} + +int generic_memmap_ro(struct device_d *dev, void **map, int flags) +{ + if (flags & PROT_WRITE) + return -EACCES; + *map = (void *)dev->map_base; + return 0; +} + +int generic_memmap_rw(struct device_d *dev, void **map, int flags) +{ + *map = (void *)dev->map_base; + return 0; +} + int dummy_probe(struct device_d *dev) { return 0; |