X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/a4ec38a4c7ef61b04b92d34637c846a8e2e95f7f..7c7b5f05d39b7739d990f71256a2267ec67a6913:/lunaix-os/kernel/mm/cake.c diff --git a/lunaix-os/kernel/mm/cake.c b/lunaix-os/kernel/mm/cake.c index 5aa9bef..0e8f334 100644 --- a/lunaix-os/kernel/mm/cake.c +++ b/lunaix-os/kernel/mm/cake.c @@ -28,11 +28,11 @@ struct llist_header piles = { .next = &piles, .prev = &piles }; void* __alloc_cake(unsigned int cake_pg) { - uintptr_t pa = pmm_alloc_cpage(KERNEL_PID, cake_pg, 0); + ptr_t pa = (ptr_t)pmm_alloc_cpage(KERNEL_PID, cake_pg, 0); if (!pa) { return NULL; } - return vmm_vmap(pa, cake_pg * PG_SIZE, PG_PREM_RW); + return vmap(pa, cake_pg * PG_SIZE, PG_PREM_RW, 0); } struct cake_s* @@ -44,9 +44,11 @@ __new_cake(struct cake_pile* pile) return NULL; } - int max_piece = pile->pieces_per_cake; + u32_t max_piece = pile->pieces_per_cake; - cake->first_piece = (void*)((uintptr_t)cake + pile->offset); + assert(max_piece); + + cake->first_piece = (void*)((ptr_t)cake + pile->offset); cake->next_free = 0; pile->cakes_count++; @@ -120,6 +122,12 @@ cake_new_pile(char* name, return pile; } +void +cake_set_constructor(struct cake_pile* pile, pile_cb ctor) +{ + pile->ctor = ctor; +} + void* cake_grab(struct cake_pile* pile) { @@ -147,8 +155,14 @@ cake_grab(struct cake_pile* pile) llist_append(&pile->partial, &pos->cakes); } - return (void*)((uintptr_t)pos->first_piece + - found_index * pile->piece_size); + void* ptr = + (void*)((ptr_t)pos->first_piece + found_index * pile->piece_size); + + if (pile->ctor) { + pile->ctor(pile, ptr); + } + + return ptr; } int @@ -164,8 +178,7 @@ cake_release(struct cake_pile* pile, void* area) if (pos->first_piece > area) { continue; } - piece_index = - (uintptr_t)(area - pos->first_piece) / pile->piece_size; + piece_index = (ptr_t)(area - pos->first_piece) / pile->piece_size; if (piece_index < pile->pieces_per_cake) { goto found; } @@ -188,4 +201,10 @@ found: } return 1; +} + +void +cake_ctor_zeroing(struct cake_pile* pile, void* piece) +{ + memset(piece, 0, pile->piece_size); } \ No newline at end of file