memset() self-tests More...

#include <string.h>
#include <ipxe/test.h>

Macros
#define	MEMSET_TEST_CONSTANT(len)
	Perform a constant-length memset() test.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
void	memset_zero_0 (void *dest)
void	memset_zero_1 (void *dest)
void	memset_zero_2 (void *dest)
void	memset_zero_3 (void *dest)
void	memset_zero_4 (void *dest)
void	memset_zero_5 (void *dest)
void	memset_zero_6 (void *dest)
void	memset_zero_7 (void *dest)
void	memset_zero_8 (void *dest)
void	memset_zero_9 (void *dest)
void	memset_zero_10 (void *dest)
void	memset_zero_11 (void *dest)
void	memset_zero_12 (void *dest)
void	memset_zero_13 (void *dest)
void	memset_zero_14 (void *dest)
void	memset_zero_15 (void *dest)
void	memset_zero_16 (void *dest)
void	memset_zero_17 (void *dest)
void	memset_zero_18 (void *dest)
void	memset_zero_19 (void *dest)
void	memset_zero_20 (void *dest)
void	memset_zero_21 (void *dest)
void	memset_zero_22 (void *dest)
void	memset_zero_23 (void *dest)
void	memset_zero_24 (void *dest)
void	memset_zero_25 (void *dest)
void	memset_zero_26 (void *dest)
void	memset_zero_27 (void *dest)
void	memset_zero_28 (void *dest)
void	memset_zero_29 (void *dest)
void	memset_zero_30 (void *dest)
void	memset_zero_31 (void *dest)
void *	memset_var (void *dest, unsigned int fill, size_t len)
	Force a call to the variable-length implementation of memset()
static void	memset_test_exec (void)
	Perform memset() self-tests.

Variables
struct self_test memset_test	__self_test
	memset() self-test

Detailed Description

memset() self-tests

Definition in file memset_test.c.

Macro Definition Documentation

◆ MEMSET_TEST_CONSTANT

#define MEMSET_TEST_CONSTANT ( len )

Value:

                do {                            \
                uint8_t dest_const[ 1 + len + 1 ];                    \
                uint8_t dest_var[ 1 + len + 1 ];                      \
                static uint8_t zero[len];                             \
                unsigned int i;                                         \
                                                                        \
                for ( i = 0 ; i < sizeof ( dest_const ) ; i++ )         \
                        dest_const[i] = 0xaa;                           \
                memset ( ( dest_const + 1 ), 0, len );                       \
                ok ( dest_const[0] == 0xaa );                           \
                ok ( dest_const[ sizeof ( dest_const ) - 1 ] == 0xaa ); \
                ok ( memcmp ( ( dest_const + 1 ), zero, len ) == 0 );  \
                                                                        \
                for ( i = 0 ; i < sizeof ( dest_var ) ; i++ )           \
                        dest_var[i] = 0xbb;                             \
                memset_var ( ( dest_var + 1 ), 0, len );             \
                ok ( dest_var[0] == 0xbb );                             \
                ok ( dest_var[ sizeof ( dest_var ) - 1 ] == 0xbb );     \
                ok ( memcmp ( ( dest_var + 1 ), zero, len ) == 0 );    \
        } while ( 0 )

Perform a constant-length memset() test.

Parameters

len	Length of data

Definition at line 91 of file memset_test.c.

#define MEMSET_TEST_CONSTANT( len ) do {                                \
                uint8_t dest_const[ 1 + len + 1 ];                      \
                uint8_t dest_var[ 1 + len + 1 ];                        \
                static uint8_t zero[len];                               \
                unsigned int i;                                         \
                                                                        \
                for ( i = 0 ; i < sizeof ( dest_const ) ; i++ )         \
                        dest_const[i] = 0xaa;                           \
                memset ( ( dest_const + 1 ), 0, len );                  \
                ok ( dest_const[0] == 0xaa );                           \
                ok ( dest_const[ sizeof ( dest_const ) - 1 ] == 0xaa ); \
                ok ( memcmp ( ( dest_const + 1 ), zero, len ) == 0 );   \
                                                                        \
                for ( i = 0 ; i < sizeof ( dest_var ) ; i++ )           \
                        dest_var[i] = 0xbb;                             \
                memset_var ( ( dest_var + 1 ), 0, len );                \
                ok ( dest_var[0] == 0xbb );                             \
                ok ( dest_var[ sizeof ( dest_var ) - 1 ] == 0xbb );     \
                ok ( memcmp ( ( dest_var + 1 ), zero, len ) == 0 );     \
        } while ( 0 )

Referenced by memset_test_exec().

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

◆ memset_zero_0()

void memset_zero_0 ( void * dest )

Definition at line 40 of file memset_test.c.

40{ memset ( dest, 0, 0 ); }

dest

if(len >=6 *4) __asm__ __volatile__("movsl" if(len >=5 *4) __asm__ __volatile__("movsl" if(len >=4 *4) __asm__ __volatile__("movsl" if(len >=3 *4) __asm__ __volatile__("movsl" if(len >=2 *4) __asm__ __volatile__("movsl" if(len >=1 *4) __asm__ __volatile__("movsl" if((len % 4) >=2) __asm__ __volatile__("movsw" if((len % 2) >=1) __asm__ __volatile__("movsb" retur dest)

Definition string.h:151

memset

void * memset(void *dest, int character, size_t len) __nonnull

References dest, and memset().

◆ memset_zero_1()

void memset_zero_1 ( void * dest )

Definition at line 41 of file memset_test.c.

41{ memset ( dest, 0, 1 ); }

References dest, and memset().

◆ memset_zero_2()

void memset_zero_2 ( void * dest )

Definition at line 42 of file memset_test.c.

42{ memset ( dest, 0, 2 ); }

References dest, and memset().

◆ memset_zero_3()

void memset_zero_3 ( void * dest )

Definition at line 43 of file memset_test.c.

43{ memset ( dest, 0, 3 ); }

References dest, and memset().

◆ memset_zero_4()

void memset_zero_4 ( void * dest )

Definition at line 44 of file memset_test.c.

44{ memset ( dest, 0, 4 ); }

References dest, and memset().

◆ memset_zero_5()

void memset_zero_5 ( void * dest )

Definition at line 45 of file memset_test.c.

45{ memset ( dest, 0, 5 ); }

References dest, and memset().

◆ memset_zero_6()

void memset_zero_6 ( void * dest )

Definition at line 46 of file memset_test.c.

46{ memset ( dest, 0, 6 ); }

References dest, and memset().

◆ memset_zero_7()

void memset_zero_7 ( void * dest )

Definition at line 47 of file memset_test.c.

47{ memset ( dest, 0, 7 ); }

References dest, and memset().

◆ memset_zero_8()

void memset_zero_8 ( void * dest )

Definition at line 48 of file memset_test.c.

48{ memset ( dest, 0, 8 ); }

References dest, and memset().

◆ memset_zero_9()

void memset_zero_9 ( void * dest )

Definition at line 49 of file memset_test.c.

49{ memset ( dest, 0, 9 ); }

References dest, and memset().

◆ memset_zero_10()

void memset_zero_10 ( void * dest )

Definition at line 50 of file memset_test.c.

50{ memset ( dest, 0, 10 ); }

References dest, and memset().

◆ memset_zero_11()

void memset_zero_11 ( void * dest )

Definition at line 51 of file memset_test.c.

51{ memset ( dest, 0, 11 ); }

References dest, and memset().

◆ memset_zero_12()

void memset_zero_12 ( void * dest )

Definition at line 52 of file memset_test.c.

52{ memset ( dest, 0, 12 ); }

References dest, and memset().

◆ memset_zero_13()

void memset_zero_13 ( void * dest )

Definition at line 53 of file memset_test.c.

53{ memset ( dest, 0, 13 ); }

References dest, and memset().

◆ memset_zero_14()

void memset_zero_14 ( void * dest )

Definition at line 54 of file memset_test.c.

54{ memset ( dest, 0, 14 ); }

References dest, and memset().

◆ memset_zero_15()

void memset_zero_15 ( void * dest )

Definition at line 55 of file memset_test.c.

55{ memset ( dest, 0, 15 ); }

References dest, and memset().

◆ memset_zero_16()

void memset_zero_16 ( void * dest )

Definition at line 56 of file memset_test.c.

56{ memset ( dest, 0, 16 ); }

References dest, and memset().

◆ memset_zero_17()

void memset_zero_17 ( void * dest )

Definition at line 57 of file memset_test.c.

57{ memset ( dest, 0, 17 ); }

References dest, and memset().

◆ memset_zero_18()

void memset_zero_18 ( void * dest )

Definition at line 58 of file memset_test.c.

58{ memset ( dest, 0, 18 ); }

References dest, and memset().

◆ memset_zero_19()

void memset_zero_19 ( void * dest )

Definition at line 59 of file memset_test.c.

59{ memset ( dest, 0, 19 ); }

References dest, and memset().

◆ memset_zero_20()

void memset_zero_20 ( void * dest )

Definition at line 60 of file memset_test.c.

60{ memset ( dest, 0, 20 ); }

References dest, and memset().

◆ memset_zero_21()

void memset_zero_21 ( void * dest )

Definition at line 61 of file memset_test.c.

61{ memset ( dest, 0, 21 ); }

References dest, and memset().

◆ memset_zero_22()

void memset_zero_22 ( void * dest )

Definition at line 62 of file memset_test.c.

62{ memset ( dest, 0, 22 ); }

References dest, and memset().

◆ memset_zero_23()

void memset_zero_23 ( void * dest )

Definition at line 63 of file memset_test.c.

63{ memset ( dest, 0, 23 ); }

References dest, and memset().

◆ memset_zero_24()

void memset_zero_24 ( void * dest )

Definition at line 64 of file memset_test.c.

64{ memset ( dest, 0, 24 ); }

References dest, and memset().

◆ memset_zero_25()

void memset_zero_25 ( void * dest )

Definition at line 65 of file memset_test.c.

65{ memset ( dest, 0, 25 ); }

References dest, and memset().

◆ memset_zero_26()

void memset_zero_26 ( void * dest )

Definition at line 66 of file memset_test.c.

66{ memset ( dest, 0, 26 ); }

References dest, and memset().

◆ memset_zero_27()

void memset_zero_27 ( void * dest )

Definition at line 67 of file memset_test.c.

67{ memset ( dest, 0, 27 ); }

References dest, and memset().

◆ memset_zero_28()

void memset_zero_28 ( void * dest )

Definition at line 68 of file memset_test.c.

68{ memset ( dest, 0, 28 ); }

References dest, and memset().

◆ memset_zero_29()

void memset_zero_29 ( void * dest )

Definition at line 69 of file memset_test.c.

69{ memset ( dest, 0, 29 ); }

References dest, and memset().

◆ memset_zero_30()

void memset_zero_30 ( void * dest )

Definition at line 70 of file memset_test.c.

70{ memset ( dest, 0, 30 ); }

References dest, and memset().

◆ memset_zero_31()

void memset_zero_31 ( void * dest )

Definition at line 71 of file memset_test.c.

71{ memset ( dest, 0, 31 ); }

References dest, and memset().

◆ memset_var()

void * memset_var	(	void *	dest,
		unsigned int	fill,
		size_t	len )

Force a call to the variable-length implementation of memset()

Parameters

dest	Destination address
fill	Fill pattern
len	Length of data

Return values

dest	Destination address

Definition at line 81 of file memset_test.c.

                                                              {
        return memset ( dest, fill, len );
}

References dest, fill, len, and memset().

◆ memset_test_exec()

void memset_test_exec ( void )

static

Perform memset() self-tests.

Definition at line 116 of file memset_test.c.

                                      {
 
        /* Constant-length tests */
        MEMSET_TEST_CONSTANT ( 0 );
        MEMSET_TEST_CONSTANT ( 1 );
        MEMSET_TEST_CONSTANT ( 2 );
        MEMSET_TEST_CONSTANT ( 3 );
        MEMSET_TEST_CONSTANT ( 4 );
        MEMSET_TEST_CONSTANT ( 5 );
        MEMSET_TEST_CONSTANT ( 6 );
        MEMSET_TEST_CONSTANT ( 7 );
        MEMSET_TEST_CONSTANT ( 8 );
        MEMSET_TEST_CONSTANT ( 9 );
        MEMSET_TEST_CONSTANT ( 10 );
        MEMSET_TEST_CONSTANT ( 11 );
        MEMSET_TEST_CONSTANT ( 12 );
        MEMSET_TEST_CONSTANT ( 13 );
        MEMSET_TEST_CONSTANT ( 14 );
        MEMSET_TEST_CONSTANT ( 15 );
        MEMSET_TEST_CONSTANT ( 16 );
        MEMSET_TEST_CONSTANT ( 17 );
        MEMSET_TEST_CONSTANT ( 18 );
        MEMSET_TEST_CONSTANT ( 19 );
        MEMSET_TEST_CONSTANT ( 20 );
        MEMSET_TEST_CONSTANT ( 21 );
        MEMSET_TEST_CONSTANT ( 22 );
        MEMSET_TEST_CONSTANT ( 23 );
        MEMSET_TEST_CONSTANT ( 24 );
        MEMSET_TEST_CONSTANT ( 25 );
        MEMSET_TEST_CONSTANT ( 26 );
        MEMSET_TEST_CONSTANT ( 27 );
        MEMSET_TEST_CONSTANT ( 28 );
        MEMSET_TEST_CONSTANT ( 29 );
        MEMSET_TEST_CONSTANT ( 30 );
        MEMSET_TEST_CONSTANT ( 31 );
}

References MEMSET_TEST_CONSTANT.

Variable Documentation

◆ __self_test

struct self_test memset_test __self_test

Initial value:

= {
        .name = "memset",
        .exec = memset_test_exec,
}

memset() self-test

Definition at line 154 of file memset_test.c.

                                           {
        .name = "memset",
        .exec = memset_test_exec,
};

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ MEMSET_TEST_CONSTANT

Function Documentation

◆ FILE_LICENCE()

◆ memset_zero_0()

◆ memset_zero_1()

◆ memset_zero_2()

◆ memset_zero_3()

◆ memset_zero_4()

◆ memset_zero_5()

◆ memset_zero_6()

◆ memset_zero_7()

◆ memset_zero_8()

◆ memset_zero_9()

◆ memset_zero_10()

◆ memset_zero_11()

◆ memset_zero_12()

◆ memset_zero_13()

◆ memset_zero_14()

◆ memset_zero_15()

◆ memset_zero_16()

◆ memset_zero_17()

◆ memset_zero_18()

◆ memset_zero_19()

◆ memset_zero_20()

◆ memset_zero_21()

◆ memset_zero_22()

◆ memset_zero_23()

◆ memset_zero_24()

◆ memset_zero_25()

◆ memset_zero_26()

◆ memset_zero_27()

◆ memset_zero_28()

◆ memset_zero_29()

◆ memset_zero_30()

◆ memset_zero_31()

◆ memset_var()

◆ memset_test_exec()

Variable Documentation

◆ __self_test