rename common to src

+ I keep starting to type src and wondering why autocomplete won't work,
  I guess src is just uncounciously a better name

1 files changed, 0 insertions, 154 deletions

diff --git a/common/dmem.c b/common/dmem.c
deleted file mode 100644
index bbabe09..0000000
--- a/common/dmem.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/* SPDX-License-Identifier: copyleft-next-0.3.1 */
-/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
-
-/**
- * @file dmem.c
- * Handle device memory, i.e. anything outside the physical RAM.
- *
- * \todo Handle NUMA.
- */
-
-#include <kmi/assert.h>
-#include <kmi/dmem.h>
-
-/** Region before RAM. */
-static struct mem_region_root pre_ram = { 0 };
-
-/** Region after RAM. */
-static struct mem_region_root post_ram = { 0 };
-
-pm_t __pre_base = 0;
-pm_t __pre_top = 0;
-pm_t __post_base = 0;
-pm_t __post_top = 0;
-
-stat_t init_devmem(pm_t ram_base, pm_t ram_top)
-{
-	pm_t mem_top = (pm_t)-1;
-
-	__pre_base = 0;
-	__pre_top = ram_base - 1;
-
-	__post_base = ram_top;
-	__post_top = mem_top;
-
-	size_t pre_pages = __pages(__pre_top);
-	size_t post_pages = __pages(__post_top) - __pages(__post_base);
-
-	init_region(&pre_ram, __pre_base, pre_pages);
-	init_region(&post_ram, __post_base, post_pages);
-
-	return OK;
-}
-
-/**
- * Device virtual memory worker callback for \ref map_fill_region().
- *
- * @param b Virtual memory to work in.
- * @param offset Hint for \ref alloc_page().
- * @param vaddr Current virtual address.
- * @param flags Flags of region.
- * @param order Suggested page order.
- * @param data Pointer to \ref stat_t.
- * @return \see alloc_uvmem_wrapper().
- *
- * \see alloc_uvmem_wrapper().
- */
-static stat_t dev_alloc_wrapper(struct vmem *b, pm_t *offset, vm_t vaddr,
-                                vmflags_t flags, enum mm_order order,
-                                void *data)
-{
-	stat_t *status = (stat_t *)data;
-	/** \todo remember to do something with this status info */
-	*status = map_vpage(b, *offset, vaddr, flags, order);
-	*offset += order_size(order);
-	return OK;
-}
-
-/**
- * Device virtual memory freeing worker callback for \ref map_fill_region().
- *
- * @param b Virtual memory to work in.
- * @param offset Hint for \ref alloc_page().
- * @param vaddr Current virtual address.
- * @param flags Flags of region.
- * @param order Suggested page order.
- * @param data Pointer to \ref stat_t.
- * @return \see alloc_uvmem_wrapper().
- *
- * \see alloc_uvmem_wrapper().
- */
-static stat_t dev_free_wrapper(struct vmem *b, pm_t *offset, vm_t vaddr,
-                               vmflags_t flags, enum mm_order order, void *data)
-{
-	UNUSED(offset);
-	UNUSED(flags);
-	pm_t paddr = 0;
-	enum mm_order v_order = 0;
-	stat_vpage(b, vaddr, &paddr, &v_order, 0);
-	if (order != v_order)
-		return INFO_TRGN;
-
-	stat_t *status = (stat_t *)data;
-	*status = unmap_vpage(b, vaddr);
-	return OK;
-}
-
-vm_t alloc_devmem(struct tcb *t, pm_t dev_start, size_t bytes, vmflags_t flags)
-{
-	hard_assert(t && is_proc(t), ERR_INVAL);
-
-	vm_t region = 0;
-	if (dev_start < __pre_top)
-		region = alloc_region(&pre_ram, bytes, 0, flags);
-
-	if (dev_start > __post_base)
-		region = alloc_region(&post_ram, bytes, 0, flags);
-
-	if (!region)
-		return NULL;
-
-	stat_t status = OK;
-	const vm_t w = map_fill_region(t->proc.vmem, &dev_alloc_wrapper,
-	                               dev_start, region,
-	                               bytes, flags, &status);
-
-	if (status)
-		return NULL;
-
-	return w;
-}
-
-stat_t free_devmem(struct tcb *t, vm_t dev_start)
-{
-	hard_assert(t && is_proc(t), ERR_INVAL);
-
-	pm_t dev_paddr = 0;
-	stat_vpage(t->proc.vmem, dev_start, &dev_paddr, 0, 0);
-
-	if (dev_paddr >= __pre_top && dev_paddr <= __post_base)
-		return ERR_ADDR;
-
-	struct mem_region *m = 0;
-	if (dev_paddr < __pre_top)
-		m = find_used_region(&pre_ram, dev_paddr);
-
-	if (dev_paddr > __post_base)
-		m = find_used_region(&post_ram, dev_paddr);
-
-	if (!m)
-		return ERR_NF;
-
-	size_t region_size = __addr(m->end - m->start);
-	stat_t status = OK;
-	map_fill_region(t->proc.vmem, &dev_free_wrapper, dev_paddr, dev_start,
-	                region_size, 0, &status);
-
-	if (dev_paddr < __pre_top)
-		free_region(&pre_ram, dev_paddr);
-
-	if (dev_paddr > __post_base)
-		free_region(&post_ram, dev_paddr);
-
-	return status;
-}