diff options
Diffstat (limited to 'include/kernel/mm.h')
| -rw-r--r-- | include/kernel/mm.h | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/include/kernel/mm.h b/include/kernel/mm.h index 07d675b..3b59edb 100644 --- a/include/kernel/mm.h +++ b/include/kernel/mm.h @@ -3,20 +3,25 @@ namespace VM { - typedef uint64_t *pagetable_t; - typedef uint64_t pte_t; + extern uint64 *kernel_pagetable; - pte_t *walk(pagetable_t pagetable, uint64 va, int alloc); - int mappages(pagetable_t pagetable, uint64 va, uint64 size, uint64 pa, int perm); - void kvmmap(uint64 va, uint64 pa, uint64 sz, int perm); void kvminit(); void kvminithart(); - pagetable_t uvmcreate(); - void uvminit(pagetable_t pagetable, uchar *src, uint sz); - void uvmunmap(pagetable_t pagetable, uint64 va, uint64 npages, int do_free); - void uvmfree(pagetable_t pagetable, uint64 sz); - int uvmcopy(pagetable_t oldpt, pagetable_t newpt, uint64 sz); - uint64 uvmalloc(pagetable_t pagetable, uint64 oldsz, uint64 newsz); - uint64 uvmdealloc(pagetable_t pagetable, uint64 oldsz, uint64 newsz); - int copyin(pagetable_t pagetable, char *dst, uint64 srcva, uint64 len); + + uint64 *uvmcreate(); + void uvminit(uint64 *pagetable, uchar *src, uint64 sz); + uint64 uvmalloc(uint64 *pagetable, uint64 oldsz, uint64 newsz, int xperm); + uint64 uvmdealloc(uint64 *pagetable, uint64 oldsz, uint64 newsz); + void uvmfree(uint64 *pagetable, uint64 sz); + int uvmcopy(uint64 *oldpt, uint64 *newpt, uint64 sz); + void uvmunmap(uint64 *pagetable, uint64 va, uint64 npages, int do_free); + + int copyout(uint64 *pagetable, uint64 dstva, char *src, uint64 len); + int copyin(uint64 *pagetable, char *dst, uint64 srcva, uint64 len); + int copyinstr(uint64 *pagetable, char *dst, uint64 srcva, uint64 max); + + int handle_cow_fault(uint64 *pagetable, uint64 va); + int mappages(uint64 *pagetable, uint64 va, uint64 size, uint64 pa, int perm); + + uint64 walkaddr(uint64 *pagetable, uint64 va); }
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