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Diffstat (limited to 'arch/metag/include/uapi/asm/ech.h')
-rw-r--r--arch/metag/include/uapi/asm/ech.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/metag/include/uapi/asm/ech.h b/arch/metag/include/uapi/asm/ech.h
new file mode 100644
index 00000000000..ac94d1cf9be
--- /dev/null
+++ b/arch/metag/include/uapi/asm/ech.h
@@ -0,0 +1,15 @@
+#ifndef _UAPI_METAG_ECH_H
+#define _UAPI_METAG_ECH_H
+
+/*
+ * These bits can be set in the top half of the D0.8 register when DSP context
+ * switching is enabled, in order to support partial DSP context save/restore.
+ */
+
+#define TBICTX_XEXT_BIT 0x1000 /* Enable extended context save */
+#define TBICTX_XTDP_BIT 0x0800 /* DSP accumulators/RAM/templates */
+#define TBICTX_XHL2_BIT 0x0400 /* Hardware loops */
+#define TBICTX_XAXX_BIT 0x0200 /* Extended AX registers (A*.4-7) */
+#define TBICTX_XDX8_BIT 0x0100 /* Extended DX registers (D*.8-15) */
+
+#endif /* _UAPI_METAG_ECH_H */