Changeset ae318d3 in mainline for uspace/srv/fb/sgcn.c

Timestamp:

2009-02-16T18:50:48Z (16 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

06da55b

Parents:

17f168e

Message:

overhaul pareas: use one single physical area for the physical address space not belonging to physical memory

File:

• uspace/srv/fb/sgcn.c (modified) (1 diff)

uspace/srv/fb/sgcn.c

@@ -122 +122 @@
 int sgcn_init(void)
 {
-        sram_virt_addr = (uintptr_t) as_get_mappable_page(
-                sysinfo_value("sram.area.size"));
-        int result = physmem_map(
-                (void *) sysinfo_value("sram.address.physical"),
-                (void *) sram_virt_addr,
-                sysinfo_value("sram.area.size") / PAGE_SIZE,
-                AS_AREA_READ | AS_AREA_WRITE
-                );
-        if (result != 0) {
-                printf("SGCN: uspace driver couldn't map physical memory: %d\n",
-                        result);
-        }
+        sram_virt_addr = (uintptr_t) as_get_mappable_page(sysinfo_value("sram.area.size"));
+        
+        if (physmem_map((void *) sysinfo_value("sram.address.physical"),
+            (void *) sram_virt_addr, sysinfo_value("sram.area.size") / PAGE_SIZE,
+            AS_AREA_READ | AS_AREA_WRITE) != 0)
+                return -1;
         
         serial_console_init(sgcn_putc, WIDTH, HEIGHT);