From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 arch/powerpc/math-emu/mcrfs.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 arch/powerpc/math-emu/mcrfs.c

(limited to 'arch/powerpc/math-emu/mcrfs.c')

diff --git a/arch/powerpc/math-emu/mcrfs.c b/arch/powerpc/math-emu/mcrfs.c
new file mode 100644
index 00000000..e948d570
--- /dev/null
+++ b/arch/powerpc/math-emu/mcrfs.c
@@ -0,0 +1,32 @@
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/uaccess.h>
+
+#include <asm/sfp-machine.h>
+#include <math-emu/soft-fp.h>
+
+int
+mcrfs(u32 *ccr, u32 crfD, u32 crfS)
+{
+	u32 value, clear;
+
+#ifdef DEBUG
+	printk("%s: %p (%08x) %d %d\n", __func__, ccr, *ccr, crfD, crfS);
+#endif
+
+	clear = 15 << ((7 - crfS) << 2);
+	if (!crfS)
+		clear = 0x90000000;
+
+	value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15;
+	__FPU_FPSCR &= ~(clear);
+
+	*ccr &= ~(15 << ((7 - crfD) << 2));
+	*ccr |= (value << ((7 - crfD) << 2));
+
+#ifdef DEBUG
+	printk("CR: %08x\n", __func__, *ccr);
+#endif
+
+	return 0;
+}
-- 
cgit