1 // SPDX-License-Identifier: GPL-2.0+
3 * efi_selftest_miniapp_return
5 * Copyright (c) 2019 Heinrich Schuchardt
7 * This EFI application triggers an exception.
11 #include <host_arch.h>
14 * Entry point of the EFI application.
16 * @handle handle of the loaded image
17 * @systable system table
20 efi_status_t EFIAPI efi_main(efi_handle_t handle,
21 struct efi_system_table *systable)
23 struct efi_simple_text_output_protocol *con_out = systable->con_out;
25 con_out->output_string(con_out,
26 u"EFI application triggers exception.\n");
28 #if defined(CONFIG_ARM)
30 * 0xe7f...f. is undefined in ARM mode
31 * 0xde.. is undefined in Thumb mode
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 #elif defined(CONFIG_SANDBOX)
39 #if (HOST_ARCH == HOST_ARCH_ARM || HOST_ARCH == HOST_ARCH_AARCH64)
40 asm volatile (".word 0xe7f7defb\n");
41 #elif (HOST_ARCH == HOST_ARCH_RISCV32 || HOST_ARCH == HOST_ARCH_RISCV64)
42 asm volatile (".word 0xffffffff\n");
43 #elif (HOST_ARCH == HOST_ARCH_X86 || HOST_ARCH == HOST_ARCH_X86_64)
44 asm volatile (".word 0xffff\n");
47 con_out->output_string(con_out, u"Exception not triggered.\n");