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authorRalf Baechle <ralf@linux-mips.org>1999-10-09 00:00:47 +0000
committerRalf Baechle <ralf@linux-mips.org>1999-10-09 00:00:47 +0000
commitd6434e1042f3b0a6dfe1b1f615af369486f9b1fa (patch)
treee2be02f33984c48ec019c654051d27964e42c441 /arch/ppc/math-emu/mtfsfi.c
parent609d1e803baf519487233b765eb487f9ec227a18 (diff)
Merge with 2.3.19.
Diffstat (limited to 'arch/ppc/math-emu/mtfsfi.c')
-rw-r--r--arch/ppc/math-emu/mtfsfi.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/ppc/math-emu/mtfsfi.c b/arch/ppc/math-emu/mtfsfi.c
new file mode 100644
index 000000000..6ee756fd4
--- /dev/null
+++ b/arch/ppc/math-emu/mtfsfi.c
@@ -0,0 +1,26 @@
+/* $Id: mtfsfi.c,v 1.1 1999/08/23 19:00:20 cort Exp $
+ */
+
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+
+#include "soft-fp.h"
+
+int
+mtfsfi(unsigned int crfD, unsigned int IMM)
+{
+ u32 mask = 0xf;
+
+ if (!crfD)
+ mask = 9;
+
+ __FPU_FPSCR &= ~(mask << ((7 - crfD) << 2));
+ __FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2);
+
+#ifdef DEBUG
+ printk("%s: %d %x: %08lx\n", __FUNCTION__, crfD, IMM, __FPU_FPSCR);
+#endif
+
+ return 0;
+}