Changeset 1c01e6c in mainline for kernel/arch/ia32/src/mm/page.c

Timestamp:

2011-11-26T16:37:37Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

056ddc30

Parents:

9aed144

Message:

Replace hw_map() implementations with one generic.
Currently the kernel is broken because of missing page allocator.

File:

• kernel/arch/ia32/src/mm/page.c (modified) (1 diff)

kernel/arch/ia32/src/mm/page.c

@@ -85 +85 @@
 }
 
-
-uintptr_t hw_map(uintptr_t physaddr, size_t size)
-{
-        if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
-                panic("Unable to map physical memory %p (%zu bytes).",
-                    (void *) physaddr, size);
-        
-        uintptr_t virtaddr = PA2KA(last_frame);
-        pfn_t i;
-        page_table_lock(AS_KERNEL, true);
-        for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) {
-                uintptr_t addr = PFN2ADDR(i);
-                page_mapping_insert(AS_KERNEL, virtaddr + addr, physaddr + addr, PAGE_NOT_CACHEABLE | PAGE_WRITE);
-        }
-        page_table_unlock(AS_KERNEL, true);
-        
-        last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
-        
-        return virtaddr;
-}
-
 void page_fault(unsigned int n __attribute__((unused)), istate_t *istate)
 {