Subversion Repositories HelenOS

Rev

Rev 3022 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3022 Rev 4055
Line 24... Line 24...
24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
 */
 27 
 */
28 
 
 28 
 
29 
/** @addtogroup ppc32mm
 29 
/** @addtogroup ppc32mm
30 
 * @{
 30 
 * @{
31 
 */
 31 
 */
32 
/** @file
 32 
/** @file
33 
 */
 33 
 */
34 
 
 34 
 
Line 45... Line 45...
45 
}
 45 
}
46 
 
 46 
 
47 
 
 47 
 
48 
uintptr_t hw_map(uintptr_t physaddr, size_t size)
 48 
uintptr_t hw_map(uintptr_t physaddr, size_t size)
49 
{
 49 
{
50 
    if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
 50 
    if (last_frame + ALIGN_UP(size, PAGE_SIZE) >
- 
 
 51 
        KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
51 
        panic("Unable to map physical memory %p (%d bytes)", physaddr, size)
 52 
        panic("Unable to map physical memory %p (%" PRIs " bytes).",
- 
 
 53 
            physaddr, size)
52 
   
 54 
   
53 
    uintptr_t virtaddr = PA2KA(last_frame);
 55 
    uintptr_t virtaddr = PA2KA(last_frame);
54 
    pfn_t i;
 56 
    pfn_t i;
55 
    for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
 57 
    for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
- 
 
 58 
        page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i),
56 
        page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
 59 
            physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
57 
   
 60 
   
58 
    last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
 61 
    last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
59 
   
 62 
   
60 
    return virtaddr;
 63 
    return virtaddr;
61 
}
 64 
}