mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
91 lines
1.6 KiB
C
91 lines
1.6 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
|
|
/*
|
|
* CPU test
|
|
* Load/store string instructions: lswi, stswi, lswx, stswx
|
|
*
|
|
* Several consecutive bytes from a source memory buffer are loaded
|
|
* left to right into GPRs. After that, the bytes are stored
|
|
* from the GPRs into a target memory buffer. The contents
|
|
* of the source and target buffers are then compared.
|
|
*/
|
|
|
|
#include <post.h>
|
|
#include "cpu_asm.h"
|
|
|
|
#if CONFIG_POST & CONFIG_SYS_POST_CPU
|
|
|
|
extern void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2);
|
|
extern void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3,
|
|
ulong op4);
|
|
|
|
#include <bedbug/regs.h>
|
|
int cpu_post_test_string (void)
|
|
{
|
|
int ret = 0;
|
|
unsigned int i;
|
|
int flag = disable_interrupts();
|
|
|
|
if (ret == 0)
|
|
{
|
|
char src [31], dst [31];
|
|
|
|
ulong code[] =
|
|
{
|
|
ASM_LSWI(5, 3, 31),
|
|
ASM_STSWI(5, 4, 31),
|
|
ASM_BLR,
|
|
};
|
|
|
|
for (i = 0; i < sizeof(src); i ++)
|
|
{
|
|
src[i] = (char) i;
|
|
dst[i] = 0;
|
|
}
|
|
|
|
cpu_post_exec_02(code, (ulong)src, (ulong)dst);
|
|
|
|
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
|
|
}
|
|
|
|
if (ret == 0)
|
|
{
|
|
char src [95], dst [95];
|
|
|
|
ulong code[] =
|
|
{
|
|
ASM_LSWX(8, 3, 5),
|
|
ASM_STSWX(8, 4, 5),
|
|
ASM_BLR,
|
|
};
|
|
|
|
for (i = 0; i < sizeof(src); i ++)
|
|
{
|
|
src[i] = (char) i;
|
|
dst[i] = 0;
|
|
}
|
|
|
|
cpu_post_exec_04(code, (ulong)src, (ulong)dst, 0, sizeof(src));
|
|
|
|
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
|
|
}
|
|
|
|
if (ret != 0)
|
|
{
|
|
post_log ("Error at string test !\n");
|
|
}
|
|
|
|
if (flag)
|
|
enable_interrupts();
|
|
|
|
return ret;
|
|
}
|
|
|
|
#endif
|