mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-04 14:00:19 +00:00
d8b2216c87
fix typos correct the header comment of efi_selftest_variables.c Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* efi_selftest_exception
|
|
*
|
|
* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
|
|
*
|
|
* Test the handling of exceptions by trying to execute an undefined
|
|
* instruction.
|
|
*/
|
|
|
|
#include <efi_selftest.h>
|
|
|
|
/**
|
|
* undefined_instruction() - try to executed an undefined instruction
|
|
*/
|
|
static void undefined_instruction(void)
|
|
{
|
|
#if defined(CONFIG_ARM)
|
|
/*
|
|
* 0xe7f...f. is undefined in ARM mode
|
|
* 0xde.. is undefined in Thumb mode
|
|
*/
|
|
asm volatile (".word 0xe7f7defb\n");
|
|
#elif defined(CONFIG_RISCV)
|
|
asm volatile (".word 0xffffffff\n");
|
|
#elif defined(CONFIG_X86)
|
|
asm volatile (".word 0xffff\n");
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* execute() - execute unit test
|
|
*
|
|
* Return: EFI_ST_SUCCESS for success
|
|
*/
|
|
static int execute(void)
|
|
{
|
|
undefined_instruction();
|
|
|
|
efi_st_error("An undefined instruction exception was not raised\n");
|
|
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
|
|
EFI_UNIT_TEST(exception) = {
|
|
.name = "exception",
|
|
.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
|
|
.execute = execute,
|
|
.on_request = true,
|
|
};
|