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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/post/lib_powerpc/fpu/fpu.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/post/lib_powerpc/fpu/fpu.c')
-rw-r--r-- | roms/u-boot/post/lib_powerpc/fpu/fpu.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/roms/u-boot/post/lib_powerpc/fpu/fpu.c b/roms/u-boot/post/lib_powerpc/fpu/fpu.c new file mode 100644 index 00000000..1e7ed31b --- /dev/null +++ b/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 */ |