mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-24 19:08:50 +09:00
![Heinrich Schuchardt](/assets/img/avatar_default.png)
To fully demonstrate crash outputs for UEFI images provide a standalone UEFI application that tries to invoke an illegal opcode. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
42 lines
972 B
C
42 lines
972 B
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* efi_selftest_miniapp_return
|
|
*
|
|
* Copyright (c) 2019 Heinrich Schuchardt
|
|
*
|
|
* This EFI application triggers an exception.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <efi_api.h>
|
|
|
|
/*
|
|
* Entry point of the EFI application.
|
|
*
|
|
* @handle handle of the loaded image
|
|
* @systable system table
|
|
* @return status code
|
|
*/
|
|
efi_status_t EFIAPI efi_main(efi_handle_t handle,
|
|
struct efi_system_table *systable)
|
|
{
|
|
struct efi_simple_text_output_protocol *con_out = systable->con_out;
|
|
|
|
con_out->output_string(con_out,
|
|
L"EFI application triggers exception.\n");
|
|
|
|
#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
|
|
con_out->output_string(con_out, L"Exception not triggered.\n");
|
|
return EFI_ABORTED;
|
|
}
|