Open Menu / post / lib_powerpc / cpu.c
Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2002
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */

#include <config.h>
#include <cpu_func.h>

/*
 * CPU 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 <watchdog.h>
#include <post.h>
#include <asm/mmu.h>

#if CFG_POST & CFG_SYS_POST_CPU

extern int cpu_post_test_cmp (void);
extern int cpu_post_test_cmpi (void);
extern int cpu_post_test_two (void);
extern int cpu_post_test_twox (void);
extern int cpu_post_test_three (void);
extern int cpu_post_test_threex (void);
extern int cpu_post_test_threei (void);
extern int cpu_post_test_andi (void);
extern int cpu_post_test_srawi (void);
extern int cpu_post_test_rlwnm (void);
extern int cpu_post_test_rlwinm (void);
extern int cpu_post_test_rlwimi (void);
extern int cpu_post_test_store (void);
extern int cpu_post_test_load (void);
extern int cpu_post_test_cr (void);
extern int cpu_post_test_b (void);
extern int cpu_post_test_multi (void);
extern int cpu_post_test_string (void);
extern int cpu_post_test_complex (void);

ulong cpu_post_makecr (long v)
{
	ulong cr = 0;

	if (v < 0)
		cr |= 0x80000000;
	if (v > 0)
		cr |= 0x40000000;
	if (v == 0)
		cr |= 0x20000000;

	return cr;
}

int cpu_post_test (int flags)
{
	int ic = icache_status();
	int ret = 0;

	schedule();
	if (ic)
		icache_disable();

	if (ret == 0)
		ret = cpu_post_test_cmp ();
	if (ret == 0)
		ret = cpu_post_test_cmpi ();
	if (ret == 0)
		ret = cpu_post_test_two ();
	if (ret == 0)
		ret = cpu_post_test_twox ();
	schedule();
	if (ret == 0)
		ret = cpu_post_test_three ();
	if (ret == 0)
		ret = cpu_post_test_threex ();
	if (ret == 0)
		ret = cpu_post_test_threei ();
	if (ret == 0)
		ret = cpu_post_test_andi ();
	schedule();
	if (ret == 0)
		ret = cpu_post_test_srawi ();
	if (ret == 0)
		ret = cpu_post_test_rlwnm ();
	if (ret == 0)
		ret = cpu_post_test_rlwinm ();
	if (ret == 0)
		ret = cpu_post_test_rlwimi ();
	schedule();
	if (ret == 0)
		ret = cpu_post_test_store ();
	if (ret == 0)
		ret = cpu_post_test_load ();
	if (ret == 0)
		ret = cpu_post_test_cr ();
	if (ret == 0)
		ret = cpu_post_test_b ();
	schedule();
	if (ret == 0)
		ret = cpu_post_test_multi ();
	schedule();
	if (ret == 0)
		ret = cpu_post_test_string ();
	if (ret == 0)
		ret = cpu_post_test_complex ();
	schedule();

	if (ic)
		icache_enable();

	schedule();

	return ret;
}

#endif /* CFG_POST & CFG_SYS_POST_CPU */