grml...

[seabios.git] / src / memmap.c

diff --git a/src/memmap.c b/src/memmap.c
index 65c9cd72907d831816a71d275dc7eeddda2e762e..20ccae0d4909fe291e87634b32231d1e1d89d5a6 100644 (file)
--- a/src/memmap.c
+++ b/src/memmap.c
@@ -1,6 +1,6 @@
 // Support for building memory maps suitable for int 15 e820 calls.
 //
-// Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
+// Copyright (C) 2008,2009  Kevin O'Connor <kevin@koconnor.net>
 //
 // This file may be distributed under the terms of the GNU LGPLv3 license.
 
@@ -8,6 +8,11 @@
 #include "util.h" // dprintf.h
 #include "biosvar.h" // SET_EBDA
 
+
+/****************************************************************
+ * e820 memory map
+ ****************************************************************/
+
 // Remove an entry from the e820_list.
 static void
 remove_e820(int i)
@@ -22,7 +27,7 @@ static void
 insert_e820(int i, u64 start, u64 size, u32 type)
 {
     if (e820_count >= CONFIG_MAX_E820) {
-        dprintf(1, "Overflowed e820 list!\n");
+        warn_noalloc();
         return;
     }
 
@@ -35,19 +40,33 @@ insert_e820(int i, u64 start, u64 size, u32 type)
     e->type = type;
 }
 
+static const char *
+e820_type_name(u32 type)
+{
+       switch (type) {
+       case E820_RAM:      return "RAM";
+       case E820_RESERVED: return "RESERVED";
+       case E820_ACPI:     return "ACPI";
+       case E820_NVS:      return "NVS";
+       case E820_UNUSABLE: return "UNUSABLE";
+       case E820_HOLE:     return "HOLE";
+       default:            return "UNKNOWN";
+       }
+}
+
 // Show the current e820_list.
 static void
-dump_map()
+dump_map(void)
 {
     dprintf(1, "e820 map has %d items:\n", e820_count);
     int i;
     for (i=0; i<e820_count; i++) {
         struct e820entry *e = &e820_list[i];
         u64 e_end = e->start + e->size;
-        dprintf(1, "  %d: %08x%08x - %08x%08x = %d\n", i
+        dprintf(1, "  %d: %08x%08x - %08x%08x = %d %s\n", i
                 , (u32)(e->start >> 32), (u32)e->start
                 , (u32)(e_end >> 32), (u32)e_end
-                , e->type);
+                , e->type, e820_type_name(e->type));
     }
 }
 
@@ -114,29 +133,9 @@ add_e820(u64 start, u64 size, u32 type)
     //dump_map();
 }
 
-// Prep for memmap stuff - init bios table locations.
-void
-memmap_setup()
-{
-    memset(BiosTableSpace, 0, CONFIG_MAX_BIOSTABLE);
-    bios_table_cur_addr = (u32)BiosTableSpace;
-    bios_table_end_addr = bios_table_cur_addr + CONFIG_MAX_BIOSTABLE;
-    dprintf(1, "bios_table_addr: 0x%08x end=0x%08x\n",
-            bios_table_cur_addr, bios_table_end_addr);
-
-    e820_count = 0;
-}
-
 // Report on final memory locations.
 void
-memmap_finalize()
+memmap_finalize(void)
 {
     dump_map();
-
-    dprintf(1, "final bios_table_addr: 0x%08x (used %d%%)\n"
-            , bios_table_cur_addr
-            , (100 * (bios_table_cur_addr - (u32)&BiosTableSpace)
-               / CONFIG_MAX_BIOSTABLE));
-    if (bios_table_cur_addr > bios_table_end_addr)
-        panic("bios_table_end_addr overflow!\n");
 }