projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| b4489621 SP |
1 | /* |
| 2 | * Copyright (C) 2007 | |
| 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 4 | * | |
| 5 | * Author: Sergei Poselenov <sposelenov@emcraft.com> | |
| 6 | * | |
| 1a459660 | 7 | * SPDX-License-Identifier: GPL-2.0+ |
| b4489621 SP |
8 | */ |
| 9 | ||
| 10 | #include <common.h> | |
| 11 | ||
| 12 | /* | |
| 13 | * FPU test | |
| 14 | * | |
| 15 | * This test checks the arithmetic logic unit (ALU) of CPU. | |
| 16 | * It tests independently various groups of instructions using | |
| 17 | * run-time modification of the code to reduce the memory footprint. | |
| 18 | * For more details refer to post/cpu/ *.c files. | |
| 19 | */ | |
| 20 | ||
| b4489621 SP |
21 | #include <post.h> |
| 22 | ||
| e009cdeb KG |
23 | GNU_FPOST_ATTR |
| 24 | ||
| 6d0f6bcf | 25 | #if CONFIG_POST & CONFIG_SYS_POST_FPU |
| b4489621 SP |
26 | |
| 27 | #include <watchdog.h> | |
| 28 | ||
| 29 | extern int fpu_status (void); | |
| 30 | extern void fpu_enable (void); | |
| 31 | extern void fpu_disable (void); | |
| 32 | ||
| 33 | extern int fpu_post_test_math1 (void); | |
| 34 | extern int fpu_post_test_math2 (void); | |
| 35 | extern int fpu_post_test_math3 (void); | |
| 36 | extern int fpu_post_test_math4 (void); | |
| 37 | extern int fpu_post_test_math5 (void); | |
| 38 | extern int fpu_post_test_math6 (void); | |
| 39 | extern int fpu_post_test_math7 (void); | |
| 40 | ||
| 41 | int fpu_post_test (int flags) | |
| 42 | { | |
| 43 | int fpu = fpu_status (); | |
| 44 | ||
| 45 | int ret = 0; | |
| 46 | ||
| 47 | WATCHDOG_RESET (); | |
| 48 | ||
| 49 | if (!fpu) | |
| 50 | fpu_enable (); | |
| 51 | ||
| 52 | if (ret == 0) | |
| 53 | ret = fpu_post_test_math1 (); | |
| 54 | if (ret == 0) | |
| 55 | ret = fpu_post_test_math2 (); | |
| 56 | if (ret == 0) | |
| 57 | ret = fpu_post_test_math3 (); | |
| 58 | if (ret == 0) | |
| 59 | ret = fpu_post_test_math4 (); | |
| 60 | if (ret == 0) | |
| 61 | ret = fpu_post_test_math5 (); | |
| 62 | if (ret == 0) | |
| 63 | ret = fpu_post_test_math6 (); | |
| 64 | if (ret == 0) | |
| 65 | ret = fpu_post_test_math7 (); | |
| 66 | ||
| 67 | if (!fpu) | |
| 68 | fpu_disable (); | |
| 69 | ||
| 70 | WATCHDOG_RESET (); | |
| 71 | ||
| 72 | return ret; | |
| 73 | } | |
| 74 | ||
| 6d0f6bcf | 75 | #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */ |