Changeset bf9afa07 in mainline for fb/ega.c

Timestamp:

2006-06-02T11:35:05Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

2d22049

Parents:

49d072e

Message:

Allocation function for allocating free areas for mmap, map_physmem etc.

File:

• fb/ega.c (modified) (2 diffs)

fb/ega.c

@@ -112 +112 @@
 {
         void *ega_ph_addr;
+        size_t sz;
 
 
@@ -118 +119 @@
         scr_height=sysinfo_value("fb.height");
 
-        scr_addr=(void *)ALIGN_UP(((__address)set_maxheapsize(USER_ADDRESS_SPACE_SIZE_ARCH>>1)),PAGE_SIZE);
+        sz = scr_width*scr_height*2;
+        scr_addr = as_get_mappable_page(sz);
 
-        if (ega_ph_addr != ALIGN_DOWN((unsigned long)ega_ph_addr, PAGE_SIZE))
-                return -1;
-        
-        map_physmem(ega_ph_addr, scr_addr, (scr_width*scr_height*2+PAGE_SIZE-1)>>PAGE_WIDTH,
+        map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH,
                     AS_AREA_READ | AS_AREA_WRITE);
-
 
         async_set_client_connection(ega_client_connection);