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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/powerpc/math-emu/mtfsb0.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/math-emu/mtfsb0.c')
-rw-r--r--arch/powerpc/math-emu/mtfsb0.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/math-emu/mtfsb0.c b/arch/powerpc/math-emu/mtfsb0.c
new file mode 100644
index 0000000000..5753170b5d
--- /dev/null
+++ b/arch/powerpc/math-emu/mtfsb0.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/uaccess.h>
+
+#include <asm/sfp-machine.h>
+#include <math-emu/soft-fp.h>
+
+int
+mtfsb0(int crbD)
+{
+ if ((crbD != 1) && (crbD != 2))
+ __FPU_FPSCR &= ~(1 << (31 - crbD));
+
+#ifdef DEBUG
+ printk("%s: %d %08lx\n", __func__, crbD, __FPU_FPSCR);
+#endif
+
+ return 0;
+}