diff options
Diffstat (limited to 'kernel/memory/virtalloc.h')
| -rw-r--r-- | kernel/memory/virtalloc.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kernel/memory/virtalloc.h b/kernel/memory/virtalloc.h index 7bf8b91..5033242 100644 --- a/kernel/memory/virtalloc.h +++ b/kernel/memory/virtalloc.h @@ -53,6 +53,11 @@ struct virt_ctx { void virtaddr_init(struct virt_ctx *ctx); /** + * Clone the virtual address allocator + */ +int virtaddr_clone(struct virt_ctx *old, struct virt_ctx *new); + +/** * Allocate a virtual address of length x pages * @param pages - x pages * @returns virt addr @@ -60,11 +65,19 @@ void virtaddr_init(struct virt_ctx *ctx); void *virtaddr_alloc(struct virt_ctx *ctx, int pages); /** + * Take (yoink) a predefined virtual address of length x pages + * @param virt - the start of the vitural address to take + * @param pages - x pages + * @returns 0 on success, 1 on err + */ +int virtaddr_take(struct virt_ctx *ctx, const void *virt, int pages); + +/** * Free the virtual address from virtaddr_alloc * @param virtaddr - the addr to free * @returns number of pages used for virtaddr */ -long virtaddr_free(struct virt_ctx *ctx, void *virtaddr); +long virtaddr_free(struct virt_ctx *ctx, const void *virtaddr); /** * Cleans up heap allocations and frees the virtalloc context |