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-rw-r--r--include/asm-m68knommu/fpu.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-m68knommu/fpu.h b/include/asm-m68knommu/fpu.h
new file mode 100644
index 0000000..2250829
--- /dev/null
+++ b/include/asm-m68knommu/fpu.h
@@ -0,0 +1,22 @@
+#ifndef __M68KNOMMU_FPU_H
+#define __M68KNOMMU_FPU_H
+
+#include <linux/config.h>
+
+/*
+ * MAX floating point unit state size (FSAVE/FRESTORE)
+ */
+#if defined(CONFIG_M68020) || defined(CONFIG_M68030)
+#define FPSTATESIZE (216/sizeof(unsigned char))
+#elif defined(CONFIG_M68040)
+#define FPSTATESIZE (96/sizeof(unsigned char))
+#elif defined(CONFIG_M68KFPU_EMU)
+#define FPSTATESIZE (28/sizeof(unsigned char))
+#elif defined(CONFIG_M68060)
+#define FPSTATESIZE (12/sizeof(unsigned char))
+#else
+/* Assume no FP unit present then... */
+#define FPSTATESIZE (2) /* dummy size */
+#endif
+
+#endif /* __M68K_FPU_H */
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