From a37974009152b4bf6a2d7ed205a48230f939dd72 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Mon, 20 Dec 2021 13:12:06 +0200
Subject: still some issues with vmem

+ Not sure if I should go with noinit or init, fuck
---
 arch/riscv/kernel/vmem.c | 57 ------------------------------------------------
 1 file changed, 57 deletions(-)
 delete mode 100644 arch/riscv/kernel/vmem.c

(limited to 'arch/riscv/kernel')

diff --git a/arch/riscv/kernel/vmem.c b/arch/riscv/kernel/vmem.c
deleted file mode 100644
index 4cb84a6..0000000
--- a/arch/riscv/kernel/vmem.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#include <apos/string.h>
-#include <apos/pmem.h>
-#include <apos/vmem.h>
-#include <apos/mem.h>
-#include <apos/debug.h>
-#include <pages.h>
-
-#define pte_ppn(pte) (((pm_t)(pte)) >> 10)
-#define pte_flags(pte) (((pm_t)(pte)) & 0xff)
-#define to_pte(p, f) ((pm_to_pnum(p) << 10) + (f))
-#define pte_addr(pte) (pnum_to_paddr(pte_ppn(pte)))
-#define vm_to_index(a, o) (pm_to_index(a, o))
-
-void mod_vmem(struct vm_branch_t *branch, vm_t vaddr, uint8_t flags, enum mm_order_t order)
-{
-	/* todo */
-}
-
-void map_vmem(struct vm_branch_t *branch,
-		pm_t paddr, vm_t vaddr, uint8_t flags, enum mm_order_t order)
-{
-	enum mm_order_t top = __mm_max_order;
-	while (top != order) {
-		size_t idx = vm_to_index(vaddr, top);
-
-		if (!branch->leaf[idx]) {
-			pm_t new_leaf = alloc_page(MM_KPAGE, 0);
-			branch->leaf[idx] =
-				(struct vm_branch_t *)to_pte(new_leaf, VM_V);
-
-			void *leaf_ptr = (void *)new_leaf;
-			memset(leaf_ptr, 0, sizeof(struct vm_branch_t));
-		}
-
-		pm_t pte = (pm_t)branch->leaf[idx];
-		pm_t branch_pptr = (pm_t)pte_addr(pte);
-		branch = (struct vm_branch_t *)branch_pptr;
-		top--;
-	}
-
-	size_t idx = vm_to_index(vaddr, top);
-	branch->leaf[idx] = (struct vm_branch_t *)to_pte(paddr, flags);
-}
-
-void unmap_vmem(struct vm_branch_t *branch, vm_t vaddr, enum mm_order_t order)
-{
-	while (order) {
-		size_t idx = pm_to_index(vaddr, order);
-		branch = (struct vm_branch_t *)pte_addr(branch->leaf[idx]);
-	}
-
-	size_t idx = pm_to_index(vaddr, order);
-	if (branch->leaf[idx])
-		free_page(order, pte_addr(branch->leaf[idx]));
-
-	branch->leaf[idx] = 0;
-}
-- 
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