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-rw-r--r--include/acpi/actypes.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 850f75027fb6..54006720af8e 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -474,6 +474,11 @@ typedef u64 acpi_integer;
#define ACPI_MOVE_NAME(dest,src) (ACPI_STRNCPY (ACPI_CAST_PTR (char, (dest)), ACPI_CAST_PTR (char, (src)), ACPI_NAME_SIZE))
#endif
+/* Support for the special RSDP signature (8 characters) */
+
+#define ACPI_VALIDATE_RSDP_SIG(a) (!ACPI_STRNCMP (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
+#define ACPI_MAKE_RSDP_SIG(dest) (ACPI_MEMCPY (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
+
/*******************************************************************************
*
* Miscellaneous constants
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