Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / x86 / include / asm / cache.h

diff --git a/qemu/roms/u-boot/arch/x86/include/asm/cache.h b/qemu/roms/u-boot/arch/x86/include/asm/cache.h
new file mode 100644 (file)
index 0000000..508b63f
--- /dev/null
+++ b/qemu/roms/u-boot/arch/x86/include/asm/cache.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef __X86_CACHE_H__
+#define __X86_CACHE_H__
+
+/*
+ * If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment.  Otherwise
+ * use 64-bytes, a safe default for x86.
+ */
+#ifdef CONFIG_SYS_CACHELINE_SIZE
+#define ARCH_DMA_MINALIGN      CONFIG_SYS_CACHELINE_SIZE
+#else
+#define ARCH_DMA_MINALIGN      64
+#endif
+
+static inline void wbinvd(void)
+{
+       asm volatile ("wbinvd" : : : "memory");
+}
+
+static inline void invd(void)
+{
+       asm volatile("invd" : : : "memory");
+}
+
+/* Enable caches and write buffer */
+void enable_caches(void);
+
+/* Disable caches and write buffer */
+void disable_caches(void);
+
+#endif /* __X86_CACHE_H__ */