[build] Centralise dummy architecture-specific headers

Simplify the process of adding a new CPU architecture by providing
common implementations of typically empty architecture-specific header
files.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/include/bits/acpi.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_ACPI_H
+#define _BITS_ACPI_H
+
+/** @file
+ *
+ * Dummy architecture-specific ACPI API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_ACPI_H */

src/include/bits/hyperv.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_HYPERV_H
+#define _BITS_HYPERV_H
+
+/** @file
+ *
+ * Dummy architecture-specific Hyper-V interface
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_HYPERV_H */

src/include/bits/iomap.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_IOMAP_H
+#define _BITS_IOMAP_H
+
+/** @file
+ *
+ * Dummy architecture-specific I/O mapping API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_IOMAP_H */

src/include/bits/mp.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_MP_H
+#define _BITS_MP_H
+
+/** @file
+ *
+ * Dummy architecture-specific multiprocessor API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_MP_H */

src/include/bits/nap.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_NAP_H
+#define _BITS_NAP_H
+
+/** @file
+ *
+ * Dummy architecture-specific CPU sleeping API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_NAP_H */

src/include/bits/pci_io.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_PCI_IO_H
+#define _BITS_PCI_IO_H
+
+/** @file
+ *
+ * Dummy architecture-specific PCI I/O API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_PCI_IO_H */

src/include/bits/reboot.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_REBOOT_H
+#define _BITS_REBOOT_H
+
+/** @file
+ *
+ * Dummy architecture-specific reboot API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_REBOOT_H */

src/include/bits/sanboot.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_SANBOOT_H
+#define _BITS_SANBOOT_H
+
+/** @file
+ *
+ * Dummy architecture-specific sanboot API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_SANBOOT_H */

src/include/bits/smbios.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_SMBIOS_H
+#define _BITS_SMBIOS_H
+
+/** @file
+ *
+ * Dummy architecture-specific SMBIOS API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_SMBIOS_H */

src/include/bits/tcpip.h

@@ -0,0 +1,32 @@
+#ifndef _BITS_TCPIP_H
+#define _BITS_TCPIP_H
+
+/** @file
+ *
+ * Generic architecture-specific transport-network layer interface
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <stdint.h>
+
+/**
+ * Calculate continued TCP/IP checkum
+ *
+ * @v partial		Checksum of already-summed data, in network byte order
+ * @v data		Data buffer
+ * @v len		Length of data buffer
+ * @ret cksum		Updated checksum, in network byte order
+ */
+static inline __attribute__ (( always_inline )) uint16_t
+tcpip_continue_chksum ( uint16_t partial, const void *data, size_t len ) {
+
+	/* Not yet optimised */
+	return generic_tcpip_continue_chksum ( partial, data, len );
+}
+
+#endif /* _BITS_TCPIP_H */

src/include/bits/time.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_TIME_H
+#define _BITS_TIME_H
+
+/** @file
+ *
+ * Dummy architecture-specific time API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_TIME_H */

src/include/bits/uaccess.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_UACCESS_H
+#define _BITS_UACCESS_H
+
+/** @file
+ *
+ * Dummy architecture-specific user access API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_UACCESS_H */

src/include/bits/uart.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_UART_H
+#define _BITS_UART_H
+
+/** @file
+ *
+ * Dummy architecture-specific UART
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_UART_H */

src/include/bits/umalloc.h

@@ -0,0 +1,15 @@
+#ifndef _BITS_UMALLOC_H
+#define _BITS_UMALLOC_H
+
+/** @file
+ *
+ * Dummy architecture-specific user memory allocation API implementations
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#endif /* _BITS_UMALLOC_H */

src/include/bits/xen.h

@@ -0,0 +1,16 @@
+#ifndef _BITS_XEN_H
+#define _BITS_XEN_H
+
+/** @file
+ *
+ * Dummy architecture-specific Xen interface
+ *
+ * This file is included only if the architecture does not provide its
+ * own version of this file.
+ *
+ */
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <ipxe/nonxen.h>
+
+#endif /* _BITS_XEN_H */