diff options
Diffstat (limited to 'include/apos/vmem.h')
| -rw-r--r-- | include/apos/vmem.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/apos/vmem.h b/include/apos/vmem.h index 4cc4895..b7522d2 100644 --- a/include/apos/vmem.h +++ b/include/apos/vmem.h @@ -30,7 +30,7 @@ struct sp_mem { #define __pa(x) (((char *)(x)) + RAM_BASE - VM_DMAP) #define __page(x) ((x) / BASE_PAGE_SIZE) #define __addr(x) ((x) * BASE_PAGE_SIZE) -#define __pages(x) (__page(x)) +#define __pages(x) (aligned((x), BASE_PAGE_SIZE) ? __page((x)) : __page((x) + BASE_PAGE_SIZE)) #define __bytes(x) (__addr(x)) /* general overview of the different functions: @@ -49,7 +49,11 @@ int stat_vmem(struct vm_branch_t *branch, vm_t vaddr, pm_t *paddr, int sp_mem_init(struct sp_reg_root *r, vm_t start, size_t nums); -vm_t alloc_uvmem(struct tcb *r, size_t s, uint8_t flags); +vm_t alloc_region(struct sp_reg_root *r, size_t size, size_t *actual_size); +vm_t alloc_fixed_region(struct sp_reg_root *r, vm_t start, size_t size, size_t *actual_size); +void free_region(struct sp_reg_root *r, vm_t start); + +vm_t alloc_uvmem(struct tcb *r, size_t size, uint8_t flags); void free_uvmem(struct tcb *r, vm_t a); vm_t map_fill_region(struct vm_branch_t *b, vm_t start, size_t bytes, uint8_t flags); |