diff options
| -rw-r--r-- | lib/Makefile | 3 | ||||
| -rw-r--r-- | lib/test_fpu.h | 8 | ||||
| -rw-r--r-- | lib/test_fpu_glue.c (renamed from lib/test_fpu.c) | 32 | ||||
| -rw-r--r-- | lib/test_fpu_impl.c | 37 |
4 files changed, 48 insertions, 32 deletions
diff --git a/lib/Makefile b/lib/Makefile index 7a1fdd1cce7a..87f8803587ae 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -133,7 +133,8 @@ FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-st endif obj-$(CONFIG_TEST_FPU) += test_fpu.o -CFLAGS_test_fpu.o += $(FPU_CFLAGS) +test_fpu-y := test_fpu_glue.o test_fpu_impl.o +CFLAGS_test_fpu_impl.o += $(FPU_CFLAGS) # Some KUnit files (hooks.o) need to be built-in even when KUnit is a module, # so we can't just use obj-$(CONFIG_KUNIT). diff --git a/lib/test_fpu.h b/lib/test_fpu.h new file mode 100644 index 000000000000..4459807084bc --- /dev/null +++ b/lib/test_fpu.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef _LIB_TEST_FPU_H +#define _LIB_TEST_FPU_H + +int test_fpu(void); + +#endif diff --git a/lib/test_fpu.c b/lib/test_fpu_glue.c index e82db19fed84..85963d7be826 100644 --- a/lib/test_fpu.c +++ b/lib/test_fpu_glue.c @@ -19,37 +19,7 @@ #include <linux/debugfs.h> #include <asm/fpu/api.h> -static int test_fpu(void) -{ - /* - * This sequence of operations tests that rounding mode is - * to nearest and that denormal numbers are supported. - * Volatile variables are used to avoid compiler optimizing - * the calculations away. - */ - volatile double a, b, c, d, e, f, g; - - a = 4.0; - b = 1e-15; - c = 1e-310; - - /* Sets precision flag */ - d = a + b; - - /* Result depends on rounding mode */ - e = a + b / 2; - - /* Denormal and very large values */ - f = b / c; - - /* Depends on denormal support */ - g = a + c * f; - - if (d > a && e > a && g > a) - return 0; - else - return -EINVAL; -} +#include "test_fpu.h" static int test_fpu_get(void *data, u64 *val) { diff --git a/lib/test_fpu_impl.c b/lib/test_fpu_impl.c new file mode 100644 index 000000000000..777894dbbe86 --- /dev/null +++ b/lib/test_fpu_impl.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <linux/errno.h> + +#include "test_fpu.h" + +int test_fpu(void) +{ + /* + * This sequence of operations tests that rounding mode is + * to nearest and that denormal numbers are supported. + * Volatile variables are used to avoid compiler optimizing + * the calculations away. + */ + volatile double a, b, c, d, e, f, g; + + a = 4.0; + b = 1e-15; + c = 1e-310; + + /* Sets precision flag */ + d = a + b; + + /* Result depends on rounding mode */ + e = a + b / 2; + + /* Denormal and very large values */ + f = b / c; + + /* Depends on denormal support */ + g = a + c * f; + + if (d > a && e > a && g > a) + return 0; + else + return -EINVAL; +} |