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;
}
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)
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));
}
}
//dump_map();
}
-// Find highest area of 32bit memory that can hold the given size.
-struct e820entry *
-find_high_area(u32 size)
-{
- int i;
- for (i=e820_count-1; i>=0; i--) {
- struct e820entry *e = &e820_list[i];
- u64 end = e->start + e->size;
- if (e->type != E820_RAM || end > 0xffffffff || e->size < size)
- continue;
- if (end < 1024*1024 + size)
- break;
- return e;
- }
- return NULL;
-}
-
-// Prep for memmap stuff - init bios table locations.
-void
-memmap_setup(void)
-{
- e820_count = 0;
-}
-
// Report on final memory locations.
void
memmap_finalize(void)