44 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * efi_selftest_miniapp_return
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 *
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 * Copyright (c) 2019 Heinrich Schuchardt
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 *
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 * This EFI application triggers an exception.
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 */
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#include <common.h>
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#include <efi_api.h>
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/*
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 * Entry point of the EFI application.
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 *
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 * @handle	handle of the loaded image
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 * @systable	system table
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 * Return:	status code
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 */
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efi_status_t EFIAPI efi_main(efi_handle_t handle,
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			     struct efi_system_table *systable)
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{
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	struct efi_simple_text_output_protocol *con_out = systable->con_out;
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	con_out->output_string(con_out,
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			       u"EFI application triggers exception.\n");
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#if defined(CONFIG_ARM)
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	/*
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	 * 0xe7f...f.	is undefined in ARM mode
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	 * 0xde..	is undefined in Thumb mode
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	 */
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	asm volatile (".word 0xe7f7defb\n");
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#elif defined(CONFIG_RISCV)
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	asm volatile (".word 0xffffffff\n");
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#elif defined(CONFIG_SANDBOX)
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	asm volatile (".word 0xffffffff\n");
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#elif defined(CONFIG_X86)
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	asm volatile (".word 0xffff\n");
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#endif
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	con_out->output_string(con_out, u"Exception not triggered.\n");
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	return EFI_ABORTED;
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}
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