Merge branch 'master' into openslxopenslx

1 files changed, 32 insertions, 0 deletions

diff --git a/src/arch/x86/include/ipxe/bios_mp.h b/src/arch/x86/include/ipxe/bios_mp.h
new file mode 100644
index 00000000..e2e83a15
--- /dev/null
+++ b/src/arch/x86/include/ipxe/bios_mp.h
@@ -0,0 +1,32 @@
+#ifndef _IPXE_BIOS_MP_H
+#define _IPXE_BIOS_MP_H
+
+/** @file
+ *
+ * BIOS multiprocessor API implementation
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/io.h>
+
+#ifdef MPAPI_PCBIOS
+#define MPAPI_PREFIX_pcbios
+#else
+#define MPAPI_PREFIX_pcbios __pcbios_
+#endif
+
+/**
+ * Calculate address as seen by a multiprocessor function
+ *
+ * @v address		Address in boot processor address space
+ * @ret address		Address in application processor address space
+ */
+static inline __attribute__ (( always_inline )) mp_addr_t
+MPAPI_INLINE ( pcbios, mp_address ) ( void *address ) {
+
+	return virt_to_phys ( address );
+}
+
+#endif /* _IPXE_BIOS_MP_H */