projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| b4489621 SP |
2 | /* |
| 3 | * Copyright (C) 2007 | |
| 4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 5 | * | |
| 6 | * Author: Sergei Poselenov <sposelenov@emcraft.com> | |
| b4489621 SP |
7 | */ |
| 8 | ||
| d678a59d | 9 | #include <common.h> |
| b4489621 SP |
10 | |
| 11 | /* | |
| 12 | * FPU test | |
| 13 | * | |
| 14 | * This test checks the arithmetic logic unit (ALU) of CPU. | |
| 15 | * It tests independently various groups of instructions using | |
| 16 | * run-time modification of the code to reduce the memory footprint. | |
| 17 | * For more details refer to post/cpu/ *.c files. | |
| 18 | */ | |
| 19 | ||
| b4489621 SP |
20 | #include <post.h> |
| 21 | ||
| e009cdeb KG |
22 | GNU_FPOST_ATTR |
| 23 | ||
| 1e019503 | 24 | #if CFG_POST & CFG_SYS_POST_FPU |
| b4489621 SP |
25 | |
| 26 | #include <watchdog.h> | |
| 27 | ||
| 28 | extern int fpu_status (void); | |
| 29 | extern void fpu_enable (void); | |
| 30 | extern void fpu_disable (void); | |
| 31 | ||
| 32 | extern int fpu_post_test_math1 (void); | |
| 33 | extern int fpu_post_test_math2 (void); | |
| 34 | extern int fpu_post_test_math3 (void); | |
| 35 | extern int fpu_post_test_math4 (void); | |
| 36 | extern int fpu_post_test_math5 (void); | |
| 37 | extern int fpu_post_test_math6 (void); | |
| 38 | extern int fpu_post_test_math7 (void); | |
| 39 | ||
| 40 | int fpu_post_test (int flags) | |
| 41 | { | |
| 42 | int fpu = fpu_status (); | |
| 43 | ||
| 44 | int ret = 0; | |
| 45 | ||
| 29caf930 | 46 | schedule(); |
| b4489621 SP |
47 | |
| 48 | if (!fpu) | |
| 49 | fpu_enable (); | |
| 50 | ||
| 51 | if (ret == 0) | |
| 52 | ret = fpu_post_test_math1 (); | |
| 53 | if (ret == 0) | |
| 54 | ret = fpu_post_test_math2 (); | |
| 55 | if (ret == 0) | |
| 56 | ret = fpu_post_test_math3 (); | |
| 57 | if (ret == 0) | |
| 58 | ret = fpu_post_test_math4 (); | |
| 59 | if (ret == 0) | |
| 60 | ret = fpu_post_test_math5 (); | |
| 61 | if (ret == 0) | |
| 62 | ret = fpu_post_test_math6 (); | |
| 63 | if (ret == 0) | |
| 64 | ret = fpu_post_test_math7 (); | |
| 65 | ||
| 66 | if (!fpu) | |
| 67 | fpu_disable (); | |
| 68 | ||
| 29caf930 | 69 | schedule(); |
| b4489621 SP |
70 | |
| 71 | return ret; | |
| 72 | } | |
| 73 | ||
| 1e019503 | 74 | #endif /* CFG_POST & CFG_SYS_POST_FPU */ |