upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
1.5 KiB
85 lines
1.5 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2007
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*/
|
|
/*
|
|
* This file is originally a part of the GCC testsuite.
|
|
* Check that certain subnormal numbers (formerly known as denormalized
|
|
* numbers) are rounded to within 0.5 ulp. PR other/14354.
|
|
*/
|
|
|
|
#include <common.h>
|
|
|
|
#include <post.h>
|
|
|
|
GNU_FPOST_ATTR
|
|
|
|
#if CONFIG_POST & CONFIG_SYS_POST_FPU
|
|
|
|
union uf
|
|
{
|
|
unsigned int u;
|
|
float f;
|
|
};
|
|
|
|
static float
|
|
u2f (unsigned int v)
|
|
{
|
|
union uf u;
|
|
u.u = v;
|
|
return u.f;
|
|
}
|
|
|
|
static unsigned int
|
|
f2u (float v)
|
|
{
|
|
union uf u;
|
|
u.f = v;
|
|
return u.u;
|
|
}
|
|
|
|
static int ok = 1;
|
|
|
|
static void
|
|
tstmul (unsigned int ux, unsigned int uy, unsigned int ur)
|
|
{
|
|
float x = u2f (ux);
|
|
float y = u2f (uy);
|
|
|
|
if (f2u (x * y) != ur)
|
|
/* Set a variable rather than aborting here, to simplify tracing when
|
|
several computations are wrong. */
|
|
ok = 0;
|
|
}
|
|
|
|
/* We don't want to make this const and static, or else we risk inlining
|
|
causing the test to fold as constants at compile-time. */
|
|
struct
|
|
{
|
|
unsigned int p1, p2, res;
|
|
} static volatile expected[] =
|
|
{
|
|
{0xfff, 0x3f800400, 0xfff},
|
|
{0xf, 0x3fc88888, 0x17},
|
|
{0xf, 0x3f844444, 0xf}
|
|
};
|
|
|
|
int fpu_post_test_math7 (void)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(expected); i++)
|
|
{
|
|
tstmul (expected[i].p1, expected[i].p2, expected[i].res);
|
|
tstmul (expected[i].p2, expected[i].p1, expected[i].res);
|
|
}
|
|
|
|
if (!ok) {
|
|
post_log ("Error in FPU math7 test\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
|
|
|