diff --git a/libc/kernel/arch-sh/asm/dma-mapping.h b/libc/kernel/arch-sh/asm/dma-mapping.h
new file mode 100644
index 0000000..3bbdf18
--- /dev/null
+++ b/libc/kernel/arch-sh/asm/dma-mapping.h
@@ -0,0 +1,31 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_SH_DMA_MAPPING_H
+#define __ASM_SH_DMA_MAPPING_H
+
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <asm/cacheflush.h>
+#include <asm/io.h>
+#include <asm-generic/dma-coherent.h>
+
+#define dma_supported(dev, mask) (1)
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d, h) (1)
+
+#define dma_unmap_single(dev, addr, size, dir) do { } while (0)
+#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0)
+#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
+
+#endif