| 146,8 → 146,12 |
|---|
| |
| AS_KERNEL = as_create(FLAG_AS_KERNEL); |
| if (!AS_KERNEL) |
| panic("can't create kernel address space\n"); |
| panic("Cannot create kernel address space\n"); |
| |
| /* Make sure the kernel address space |
| * reference count never drops to zero. |
| */ |
| atomic_set(&AS_KERNEL->refcount, 1); |
| } |
| |
| /** Create address space. |
| 176,7 → 180,7 |
|---|
| #else |
| page_table_create(flags); |
| #endif |
| |
| |
| return as; |
| } |
| |
| 769,11 → 773,12 |
|---|
| * In order for this to work properly, this may copy the data |
| * into private anonymous memory (unless it's already there). |
| * |
| * @param as Address space. |
| * @param flags Flags of the area memory. |
| * @param address Address withing the area to be changed. |
| * @param as Address space. |
| * @param flags Flags of the area memory. |
| * @param address Address within the area to be changed. |
| * |
| * @return Zero on success or a value from @ref errno.h on failure. |
| * @return Zero on success or a value from @ref errno.h on failure. |
| * |
| */ |
| int as_area_change_flags(as_t *as, int flags, uintptr_t address) |
| { |
| 785,7 → 790,7 |
|---|
| uintptr_t *old_frame; |
| index_t frame_idx; |
| count_t used_pages; |
| |
| |
| /* Flags for the new memory mapping */ |
| page_flags = area_flags_to_page_flags(flags); |
| |
| 799,7 → 804,7 |
|---|
| return ENOENT; |
| } |
| |
| if (area->sh_info || area->backend != &anon_backend) { |
| if ((area->sh_info) || (area->backend != &anon_backend)) { |
| /* Copying shared areas not supported yet */ |
| /* Copying non-anonymous memory not supported yet */ |
| mutex_unlock(&area->lock); |
| 870,6 → 875,7 |
|---|
| */ |
| |
| tlb_invalidate_pages(as->asid, area->base, area->pages); |
| |
| /* |
| * Invalidate potential software translation caches (e.g. TSB on |
| * sparc64). |