mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-11-03 21:48:15 +00:00 
			
		
		
		
	Linker generated arrays may be stored in code sections of memory that are not writable. So let's allocate setup_ok as an array at runtime. This avoids an illegal memory access observed in the sandbox. Reported-by: Simon Glass <sjg@chromium.org> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
		
			
				
	
	
		
			149 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0+ */
 | 
						|
/*
 | 
						|
 *  EFI application loader
 | 
						|
 *
 | 
						|
 *  Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef _EFI_SELFTEST_H
 | 
						|
#define _EFI_SELFTEST_H
 | 
						|
 | 
						|
#include <common.h>
 | 
						|
#include <efi.h>
 | 
						|
#include <efi_api.h>
 | 
						|
#include <efi_loader.h>
 | 
						|
#include <linker_lists.h>
 | 
						|
 | 
						|
#define EFI_ST_SUCCESS 0
 | 
						|
#define EFI_ST_FAILURE 1
 | 
						|
 | 
						|
/*
 | 
						|
 * Prints a message.
 | 
						|
 */
 | 
						|
#define efi_st_printf(...) \
 | 
						|
	(efi_st_printc(-1, __VA_ARGS__))
 | 
						|
 | 
						|
/*
 | 
						|
 * Prints an error message.
 | 
						|
 *
 | 
						|
 * @...	format string followed by fields to print
 | 
						|
 */
 | 
						|
#define efi_st_error(...) \
 | 
						|
	(efi_st_printc(EFI_LIGHTRED, "%s(%u):\nERROR: ", __FILE__, __LINE__), \
 | 
						|
	efi_st_printc(EFI_LIGHTRED, __VA_ARGS__))
 | 
						|
 | 
						|
/*
 | 
						|
 * Prints a TODO message.
 | 
						|
 *
 | 
						|
 * @...	format string followed by fields to print
 | 
						|
 */
 | 
						|
#define efi_st_todo(...) \
 | 
						|
	(efi_st_printc(EFI_YELLOW, "%s(%u):\nTODO: ", __FILE__, __LINE__), \
 | 
						|
	efi_st_printc(EFI_YELLOW, __VA_ARGS__)) \
 | 
						|
 | 
						|
/*
 | 
						|
 * A test may be setup and executed at boottime,
 | 
						|
 * it may be setup at boottime and executed at runtime,
 | 
						|
 * or it may be setup and executed at runtime.
 | 
						|
 */
 | 
						|
enum efi_test_phase {
 | 
						|
	EFI_EXECUTE_BEFORE_BOOTTIME_EXIT = 1,
 | 
						|
	EFI_SETUP_BEFORE_BOOTTIME_EXIT,
 | 
						|
	EFI_SETUP_AFTER_BOOTTIME_EXIT,
 | 
						|
};
 | 
						|
 | 
						|
extern struct efi_simple_text_output_protocol *con_out;
 | 
						|
extern struct efi_simple_text_input_protocol *con_in;
 | 
						|
 | 
						|
/*
 | 
						|
 * Exit the boot services.
 | 
						|
 *
 | 
						|
 * The size of the memory map is determined.
 | 
						|
 * Pool memory is allocated to copy the memory map.
 | 
						|
 * The memory amp is copied and the map key is obtained.
 | 
						|
 * The map key is used to exit the boot services.
 | 
						|
 */
 | 
						|
void efi_st_exit_boot_services(void);
 | 
						|
 | 
						|
/*
 | 
						|
 * Print a colored message
 | 
						|
 *
 | 
						|
 * @color	color, see constants in efi_api.h, use -1 for no color
 | 
						|
 * @fmt		printf format
 | 
						|
 * @...		arguments to be printed
 | 
						|
 *		on return position of terminating zero word
 | 
						|
 */
 | 
						|
void efi_st_printc(int color, const char *fmt, ...)
 | 
						|
		 __attribute__ ((format (__printf__, 2, 3)));
 | 
						|
 | 
						|
/**
 | 
						|
 * efi_st_translate_char() - translate a unicode character to a string
 | 
						|
 *
 | 
						|
 * @code:	unicode character
 | 
						|
 * Return:	string
 | 
						|
 */
 | 
						|
u16 *efi_st_translate_char(u16 code);
 | 
						|
 | 
						|
/**
 | 
						|
 * efi_st_translate_code() - translate a scan code to a human readable string
 | 
						|
 *
 | 
						|
 * @code:	unicode character
 | 
						|
 * Return:	string
 | 
						|
 */
 | 
						|
u16 *efi_st_translate_code(u16 code);
 | 
						|
 | 
						|
/*
 | 
						|
 * Compare memory.
 | 
						|
 * We cannot use lib/string.c due to different CFLAGS values.
 | 
						|
 *
 | 
						|
 * @buf1:	first buffer
 | 
						|
 * @buf2:	second buffer
 | 
						|
 * @length:	number of bytes to compare
 | 
						|
 * @return:	0 if both buffers contain the same bytes
 | 
						|
 */
 | 
						|
int efi_st_memcmp(const void *buf1, const void *buf2, size_t length);
 | 
						|
 | 
						|
/*
 | 
						|
 * Compare an u16 string to a char string.
 | 
						|
 *
 | 
						|
 * @buf1:	u16 string
 | 
						|
 * @buf2:	char string
 | 
						|
 * @return:	0 if both buffers contain the same bytes
 | 
						|
 */
 | 
						|
int efi_st_strcmp_16_8(const u16 *buf1, const char *buf2);
 | 
						|
 | 
						|
/*
 | 
						|
 * Reads an Unicode character from the input device.
 | 
						|
 *
 | 
						|
 * @return: Unicode character
 | 
						|
 */
 | 
						|
u16 efi_st_get_key(void);
 | 
						|
 | 
						|
/**
 | 
						|
 * struct efi_unit_test - EFI unit test
 | 
						|
 *
 | 
						|
 * An efi_unit_test provides a interface to an EFI unit test.
 | 
						|
 *
 | 
						|
 * @name:	name of unit test
 | 
						|
 * @phase:	specifies when setup and execute are executed
 | 
						|
 * @setup:	set up the unit test
 | 
						|
 * @teardown:	tear down the unit test
 | 
						|
 * @execute:	execute the unit test
 | 
						|
 * @on_request:	test is only executed on request
 | 
						|
 */
 | 
						|
struct efi_unit_test {
 | 
						|
	const char *name;
 | 
						|
	const enum efi_test_phase phase;
 | 
						|
	int (*setup)(const efi_handle_t handle,
 | 
						|
		     const struct efi_system_table *systable);
 | 
						|
	int (*execute)(void);
 | 
						|
	int (*teardown)(void);
 | 
						|
	bool on_request;
 | 
						|
};
 | 
						|
 | 
						|
/* Declare a new EFI unit test */
 | 
						|
#define EFI_UNIT_TEST(__name)						\
 | 
						|
	ll_entry_declare(struct efi_unit_test, __name, efi_unit_test)
 | 
						|
 | 
						|
#endif /* _EFI_SELFTEST_H */
 |