feat: Implement the first user program of the lume OS

1 files changed, 12 insertions, 11 deletions

diff --git a/include/kernel/mm.h b/include/kernel/mm.h
index 0f7c73d..07d675b 100644
--- a/include/kernel/mm.h
+++ b/include/kernel/mm.h
@@ -3,19 +3,20 @@
 
 namespace VM
 {
-    typedef uint64_t* pagetable_t;
+    typedef uint64_t *pagetable_t;
     typedef uint64_t pte_t;
-    typedef uint64_t uint64;
-
-    #define PTE_V (1L << 0)
-    #define PTE_R (1L << 1)
-    #define PTE_W (1L << 2)
-    #define PTE_X (1L << 3)
-    #define PTE_U (1L << 4)
-
-    #define SATP_SV39 (8L << 60)
-    #define MAKE_SATP(pagetable) (SATP_SV39 | (((uint64)pagetable) >> 12))
 
+    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);
 }
\ No newline at end of file