These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / roms / seabios / src / memmap.c

diff --git a/qemu/roms/seabios/src/memmap.c b/qemu/roms/seabios/src/memmap.c
deleted file mode 100644 (file)
index e03f8d0..0000000
--- a/qemu/roms/seabios/src/memmap.c
+++ /dev/null
@@ -1,144 +0,0 @@
-// Support for building memory maps suitable for int 15 e820 calls.
-//
-// Copyright (C) 2008,2009  Kevin O'Connor <kevin@koconnor.net>
-//
-// This file may be distributed under the terms of the GNU LGPLv3 license.
-
-#include "config.h" // BUILD_MAX_E820
-#include "memmap.h" // struct e820entry
-#include "output.h" // dprintf
-#include "string.h" // memmove
-
-
-/****************************************************************
- * e820 memory map
- ****************************************************************/
-
-// Info on e820 map location and size.
-struct e820entry e820_list[BUILD_MAX_E820] VARFSEG;
-int e820_count VARFSEG;
-
-// Remove an entry from the e820_list.
-static void
-remove_e820(int i)
-{
-    e820_count--;
-    memmove(&e820_list[i], &e820_list[i+1]
-            , sizeof(e820_list[0]) * (e820_count - i));
-}
-
-// Insert an entry in the e820_list at the given position.
-static void
-insert_e820(int i, u64 start, u64 size, u32 type)
-{
-    if (e820_count >= BUILD_MAX_E820) {
-        warn_noalloc();
-        return;
-    }
-
-    memmove(&e820_list[i+1], &e820_list[i]
-            , sizeof(e820_list[0]) * (e820_count - i));
-    e820_count++;
-    struct e820entry *e = &e820_list[i];
-    e->start = start;
-    e->size = size;
-    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(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: %016llx - %016llx = %d %s\n", i
-                , e->start, e_end, e->type, e820_type_name(e->type));
-    }
-}
-
-// Add a new entry to the list.  This scans for overlaps and keeps the
-// list sorted.
-void
-add_e820(u64 start, u64 size, u32 type)
-{
-    dprintf(8, "Add to e820 map: %08x %08x %d\n", (u32)start, (u32)size, type);
-
-    if (! size)
-        // Huh?  Nothing to do.
-        return;
-
-    // Find position of new item (splitting existing item if needed).
-    u64 end = start + size;
-    int i;
-    for (i=0; i<e820_count; i++) {
-        struct e820entry *e = &e820_list[i];
-        u64 e_end = e->start + e->size;
-        if (start > e_end)
-            continue;
-        // Found position - check if an existing item needs to be split.
-        if (start > e->start) {
-            if (type == e->type) {
-                // Same type - merge them.
-                size += start - e->start;
-                start = e->start;
-            } else {
-                // Split existing item.
-                e->size = start - e->start;
-                i++;
-                if (e_end > end)
-                    insert_e820(i, end, e_end - end, e->type);
-            }
-        }
-        break;
-    }
-    // Remove/adjust existing items that are overlapping.
-    while (i<e820_count) {
-        struct e820entry *e = &e820_list[i];
-        if (end < e->start)
-            // No overlap - done.
-            break;
-        u64 e_end = e->start + e->size;
-        if (end >= e_end) {
-            // Existing item completely overlapped - remove it.
-            remove_e820(i);
-            continue;
-        }
-        // Not completely overlapped - adjust its start.
-        e->start = end;
-        e->size = e_end - end;
-        if (type == e->type) {
-            // Same type - merge them.
-            size += e->size;
-            remove_e820(i);
-        }
-        break;
-    }
-    // Insert new item.
-    if (type != E820_HOLE)
-        insert_e820(i, start, size, type);
-    //dump_map();
-}
-
-// Report on final memory locations.
-void
-memmap_prepboot(void)
-{
-    dump_map();
-}