Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / post / lib_powerpc / fpu / fpu.c

diff --git a/qemu/roms/u-boot/post/lib_powerpc/fpu/fpu.c b/qemu/roms/u-boot/post/lib_powerpc/fpu/fpu.c
new file mode 100644 (file)
index 0000000..1e7ed31
--- /dev/null
+++ b/qemu/roms/u-boot/post/lib_powerpc/fpu/fpu.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2007
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * Author: Sergei Poselenov <sposelenov@emcraft.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+
+/*
+ * FPU test
+ *
+ * This test checks the arithmetic logic unit (ALU) of CPU.
+ * It tests independently various groups of instructions using
+ * run-time modification of the code to reduce the memory footprint.
+ * For more details refer to post/cpu/ *.c files.
+ */
+
+#include <post.h>
+
+GNU_FPOST_ATTR
+
+#if CONFIG_POST & CONFIG_SYS_POST_FPU
+
+#include <watchdog.h>
+
+extern int fpu_status (void);
+extern void fpu_enable (void);
+extern void fpu_disable (void);
+
+extern int fpu_post_test_math1 (void);
+extern int fpu_post_test_math2 (void);
+extern int fpu_post_test_math3 (void);
+extern int fpu_post_test_math4 (void);
+extern int fpu_post_test_math5 (void);
+extern int fpu_post_test_math6 (void);
+extern int fpu_post_test_math7 (void);
+
+int fpu_post_test (int flags)
+{
+       int fpu = fpu_status ();
+
+       int ret = 0;
+
+       WATCHDOG_RESET ();
+
+       if (!fpu)
+               fpu_enable ();
+
+       if (ret == 0)
+               ret = fpu_post_test_math1 ();
+       if (ret == 0)
+               ret = fpu_post_test_math2 ();
+       if (ret == 0)
+               ret = fpu_post_test_math3 ();
+       if (ret == 0)
+               ret = fpu_post_test_math4 ();
+       if (ret == 0)
+               ret = fpu_post_test_math5 ();
+       if (ret == 0)
+               ret = fpu_post_test_math6 ();
+       if (ret == 0)
+               ret = fpu_post_test_math7 ();
+
+       if (!fpu)
+               fpu_disable ();
+
+       WATCHDOG_RESET ();
+
+       return ret;
+}
+
+#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */