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-rw-r--r--arch/x86/lib/e820.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/lib/e820.c b/arch/x86/lib/e820.c
index d478b7486e3..00ca94776d2 100644
--- a/arch/x86/lib/e820.c
+++ b/arch/x86/lib/e820.c
@@ -10,6 +10,29 @@
DECLARE_GLOBAL_DATA_PTR;
+static const char *const e820_type_name[E820_COUNT] = {
+ [E820_RAM] = "RAM",
+ [E820_RESERVED] = "Reserved",
+ [E820_ACPI] = "ACPI",
+ [E820_NVS] = "ACPI NVS",
+ [E820_UNUSABLE] = "Unusable",
+};
+
+void e820_dump(struct e820_entry *entries, uint count)
+{
+ int i;
+
+ printf("%12s %10s %s\n", "Addr", "Size", "Type");
+ for (i = 0; i < count; i++) {
+ struct e820_entry *entry = &entries[i];
+
+ printf("%12llx %10llx %s\n", entry->addr, entry->size,
+ entry->type < E820_COUNT ?
+ e820_type_name[entry->type] :
+ simple_itoa(entry->type));
+ }
+}
+
/*
* Install a default e820 table with 4 entries as follows:
*