Import of Linux/MIPS 2.1.36

1 files changed, 53 insertions, 0 deletions

diff --git a/include/asm-sparc64/fpumacro.h b/include/asm-sparc64/fpumacro.h
new file mode 100644
index 000000000..9928a38c2
--- /dev/null
+++ b/include/asm-sparc64/fpumacro.h
@@ -0,0 +1,53 @@
+/* fpumacro.h: FPU related macros.
+ *
+ * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ */
+
+#ifndef _SPARC64_FPUMACRO_H
+#define _SPARC64_FPUMACRO_H
+
+extern __inline__ void fpsave32(unsigned long *fpregs, unsigned long *fsr)
+{
+	__asm__ __volatile__ ("
+	wr	%%g0, %2, %%asi
+	stx	%%fsr, [%1]
+	stda	%%f0, [%0] %%asi
+	stda	%%f16, [%0 + 64] %%asi
+	" : : "r" (fpregs), "r" (fsr), "i" (ASI_BLK_P));
+}
+
+extern __inline__ void fpload32(unsigned long *fpregs, unsigned long *fsr)
+{
+	__asm__ __volatile__ ("
+	wr	%%g0, %2, %%asi
+	ldda	[%0] %%asi, %%f0
+	ldda	[%0 + 64] %%asi, %%f16
+	ldx	[%1], %%fsr
+	" : : "r" (fpregs), "r" (fsr), "i" (ASI_BLK_P));
+}
+
+extern __inline__ void fpsave(unsigned long *fpregs, unsigned long *fsr)
+{
+	__asm__ __volatile__ ("
+	wr	%%g0, %2, %%asi
+	stx	%%fsr, [%1]
+	stda	%%f0, [%0] %%asi
+	stda	%%f16, [%0 + 64] %%asi
+	stda	%%f32, [%0 + 128] %%asi
+	stda	%%f48, [%0 + 192] %%asi
+	" : : "r" (fpregs), "r" (fsr), "i" (ASI_BLK_P));
+}
+
+extern __inline__ void fpload(unsigned long *fpregs, unsigned long *fsr)
+{
+	__asm__ __volatile__ ("
+	wr	%%g0, %2, %%asi
+	ldda	[%0] %%asi, %%f0
+	ldda	[%0 + 64] %%asi, %%f16
+	ldda	[%0 + 128] %%asi, %%f32
+	ldda	[%0 + 192] %%asi, %%f48
+	ldx	[%1], %%fsr
+	" : : "r" (fpregs), "r" (fsr), "i" (ASI_BLK_P));
+}
+
+#endif /* !(_SPARC64_FPUMACRO_H) */