[J-u-boot.git] / lib / efi_selftest / efi_selftest_miniapp_exception.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;
}
Commit	Line	Data
53c70172 HS	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* efi_selftest_miniapp_return
	4	*
	5	* Copyright (c) 2019 Heinrich Schuchardt
	6	*
	7	* This EFI application triggers an exception.
	8	*/
	9
	10	#include <common.h>
	11	#include <efi_api.h>
	12
	13	/*
	14	* Entry point of the EFI application.
	15	*
	16	* @handle handle of the loaded image
	17	* @systable system table
	18	* @return status code
	19	*/
	20	efi_status_t EFIAPI efi_main(efi_handle_t handle,
	21	struct efi_system_table *systable)
	22	{
	23	struct efi_simple_text_output_protocol *con_out = systable->con_out;
	24
	25	con_out->output_string(con_out,
	26	L"EFI application triggers exception.\n");
	27
	28	#if defined(CONFIG_ARM)
	29	/*
	30	* 0xe7f...f. is undefined in ARM mode
	31	* 0xde.. is undefined in Thumb mode
	32	*/
	33	asm volatile (".word 0xe7f7defb\n");
	34	#elif defined(CONFIG_RISCV)
	35	asm volatile (".word 0xffffffff\n");
	36	#elif defined(CONFIG_X86)
	37	asm volatile (".word 0xffff\n");
	38	#endif
	39	con_out->output_string(con_out, L"Exception not triggered.\n");
	40	return EFI_ABORTED;
	41	}