Subversion Repositories HelenOS

Rev

Rev 2927 | Rev 4339 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2927 Rev 3149
Line 46... Line 46...
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) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
51 
        panic("Unable to map physical memory %p (%d bytes)", physaddr, size)
 51 
        panic("Unable to map physical memory %p (%" PRIs " bytes)", physaddr, size)
52 
   
 52 
   
53 
    uintptr_t virtaddr = PA2KA(last_frame);
 53 
    uintptr_t virtaddr = PA2KA(last_frame);
54 
    pfn_t i;
 54 
    pfn_t i;
55 
    for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
 55 
    for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++)
56 
        page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);
 56 
        page_mapping_insert(AS_KERNEL, virtaddr + PFN2ADDR(i), physaddr + PFN2ADDR(i), PAGE_NOT_CACHEABLE | PAGE_WRITE);