Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lx_nor_flash_sector_mapping_cache_invalidate.c	Lines:	19	19	100.0 %
Date:	2024-12-12 16:33:39	Branches:	9	10	90.0 %


/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** LevelX Component                                                      */
/**                                                                       */
/**   NOR Flash                                                           */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define LX_SOURCE_CODE


/* Disable ThreadX error checking.  */

#ifndef LX_DISABLE_ERROR_CHECKING
#define LX_DISABLE_ERROR_CHECKING
#endif


/* Include necessary system files.  */

#include "lx_api.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _lx_nor_flash_sector_mapping_cache_invalidate       PORTABLE C      */
/*                                                           6.1.7        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    William E. Lamie, Microsoft Corporation                             */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function invalidates the sector's entry in the NOR flash       */
/*    cache.                                                              */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    nor_flash                             NOR flash instance            */
/*    logical_sector                        Logical sector                */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Internal LevelX                                                     */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  05-19-2020     William E. Lamie         Initial Version 6.0           */
/*  09-30-2020     William E. Lamie         Modified comment(s),          */
/*                                            resulting in version 6.1    */
/*  06-02-2021     Bhupendra Naphade        Modified comment(s),          */
/*                                            resulting in version 6.1.7  */
/*                                                                        */
/**************************************************************************/
VOID  _lx_nor_flash_sector_mapping_cache_invalidate(LX_NOR_FLASH *nor_flash, ULONG logical_sector)
{

ULONG                           i;
LX_NOR_SECTOR_MAPPING_CACHE_ENTRY  *sector_mapping_cache_entry_ptr;


    /* Determine if the sector mapping cache is enabled.  */
    if (nor_flash -> lx_nor_flash_sector_mapping_cache_enabled)
    {

        /* Calculate the starting index of the sector mapping cache for this sector entry.  */
        i =  (logical_sector & LX_NOR_SECTOR_MAPPING_CACHE_HASH_MASK) * LX_NOR_SECTOR_MAPPING_CACHE_DEPTH;

        /* Build a pointer to the cache entry.  */
        sector_mapping_cache_entry_ptr =  &nor_flash -> lx_nor_flash_sector_mapping_cache[i];

        /* Determine if the sector is in the sector mapping cache - assuming the depth of the sector
           mapping cache is LX_NOR_SECTOR_MAPPING_CACHE_DEPTH entries.  */
        if ((sector_mapping_cache_entry_ptr -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector | LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
        {

            /* Move all cache entries up and invalidate the last entry.  */
            *(sector_mapping_cache_entry_ptr) =      *(sector_mapping_cache_entry_ptr + 1);
            *(sector_mapping_cache_entry_ptr + 1) =  *(sector_mapping_cache_entry_ptr + 2);
            *(sector_mapping_cache_entry_ptr + 2) =  *(sector_mapping_cache_entry_ptr + 3);

            /* Invalidate the last entry.  */
            (sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector =   0;
        }
        else if (((sector_mapping_cache_entry_ptr + 1) -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector | LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
        {

            /* Move all subsequent cache entries up and invalidate the last entry.  */
            *(sector_mapping_cache_entry_ptr + 1) =  *(sector_mapping_cache_entry_ptr + 2);
            *(sector_mapping_cache_entry_ptr + 2) =  *(sector_mapping_cache_entry_ptr + 3);

            /* Invalidate the last entry.  */
            (sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector =   0;
        }
        else if (((sector_mapping_cache_entry_ptr + 2) -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector | LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
        {

            /* Move all subsequent cache entries up and invalidate the last entry.  */
            *(sector_mapping_cache_entry_ptr + 2) =  *(sector_mapping_cache_entry_ptr + 3);

            /* Invalidate the last entry.  */
            (sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector =   0;
        }
        else if (((sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector | LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
        {

            /* Simply invalidate the last entry.  */
            (sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector =   0;
        }
    }
}



Generated by: GCOVR (Version 4.1)

Line	Branch	Exec	Source
1			/***************************************************************************
2			* Copyright (c) 2024 Microsoft Corporation
3			*
4			* This program and the accompanying materials are made available under the
5			* terms of the MIT License which is available at
6			* https://opensource.org/licenses/MIT.
7			*
8			* SPDX-License-Identifier: MIT
9			**************************************************************************/
10
11
12			/**************************************************************************/
13			/**************************************************************************/
14			/** */
15			/** LevelX Component */
16			/** */
17			/** NOR Flash */
18			/** */
19			/**************************************************************************/
20			/**************************************************************************/
21
22			#define LX_SOURCE_CODE
23
24
25			/* Disable ThreadX error checking. */
26
27			#ifndef LX_DISABLE_ERROR_CHECKING
28			#define LX_DISABLE_ERROR_CHECKING
29			#endif
30
31
32			/* Include necessary system files. */
33
34			#include "lx_api.h"
35
36
37			/**************************************************************************/
38			/* */
39			/* FUNCTION RELEASE */
40			/* */
41			/* _lx_nor_flash_sector_mapping_cache_invalidate PORTABLE C */
42			/* 6.1.7 */
43			/* AUTHOR */
44			/* */
45			/* William E. Lamie, Microsoft Corporation */
46			/* */
47			/* DESCRIPTION */
48			/* */
49			/* This function invalidates the sector's entry in the NOR flash */
50			/* cache. */
51			/* */
52			/* INPUT */
53			/* */
54			/* nor_flash NOR flash instance */
55			/* logical_sector Logical sector */
56			/* */
57			/* OUTPUT */
58			/* */
59			/* None */
60			/* */
61			/* CALLS */
62			/* */
63			/* None */
64			/* */
65			/* CALLED BY */
66			/* */
67			/* Internal LevelX */
68			/* */
69			/* RELEASE HISTORY */
70			/* */
71			/* DATE NAME DESCRIPTION */
72			/* */
73			/* 05-19-2020 William E. Lamie Initial Version 6.0 */
74			/* 09-30-2020 William E. Lamie Modified comment(s), */
75			/* resulting in version 6.1 */
76			/* 06-02-2021 Bhupendra Naphade Modified comment(s), */
77			/* resulting in version 6.1.7 */
78			/* */
79			/**************************************************************************/
80		17458	VOID _lx_nor_flash_sector_mapping_cache_invalidate(LX_NOR_FLASH *nor_flash, ULONG logical_sector)
81			{
82
83			ULONG i;
84			LX_NOR_SECTOR_MAPPING_CACHE_ENTRY *sector_mapping_cache_entry_ptr;
85
86
87			/* Determine if the sector mapping cache is enabled. */
88	✓✗	17458	if (nor_flash -> lx_nor_flash_sector_mapping_cache_enabled)
89			{
90
91			/* Calculate the starting index of the sector mapping cache for this sector entry. */
92		17458	i = (logical_sector & LX_NOR_SECTOR_MAPPING_CACHE_HASH_MASK) * LX_NOR_SECTOR_MAPPING_CACHE_DEPTH;
93
94			/* Build a pointer to the cache entry. */
95		17458	sector_mapping_cache_entry_ptr = &nor_flash -> lx_nor_flash_sector_mapping_cache[i];
96
97			/* Determine if the sector is in the sector mapping cache - assuming the depth of the sector
98			mapping cache is LX_NOR_SECTOR_MAPPING_CACHE_DEPTH entries. */
99	✓✓	17458	if ((sector_mapping_cache_entry_ptr -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector \| LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
100			{
101
102			/* Move all cache entries up and invalidate the last entry. */
103		2726	(sector_mapping_cache_entry_ptr) = (sector_mapping_cache_entry_ptr + 1);
104		2726	(sector_mapping_cache_entry_ptr + 1) = (sector_mapping_cache_entry_ptr + 2);
105		2726	(sector_mapping_cache_entry_ptr + 2) = (sector_mapping_cache_entry_ptr + 3);
106
107			/* Invalidate the last entry. */
108		2726	(sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector = 0;
109			}
110	✓✓	14732	else if (((sector_mapping_cache_entry_ptr + 1) -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector \| LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
111			{
112
113			/* Move all subsequent cache entries up and invalidate the last entry. */
114		496	(sector_mapping_cache_entry_ptr + 1) = (sector_mapping_cache_entry_ptr + 2);
115		496	(sector_mapping_cache_entry_ptr + 2) = (sector_mapping_cache_entry_ptr + 3);
116
117			/* Invalidate the last entry. */
118		496	(sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector = 0;
119			}
120	✓✓	14236	else if (((sector_mapping_cache_entry_ptr + 2) -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector \| LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
121			{
122
123			/* Move all subsequent cache entries up and invalidate the last entry. */
124		438	(sector_mapping_cache_entry_ptr + 2) = (sector_mapping_cache_entry_ptr + 3);
125
126			/* Invalidate the last entry. */
127		438	(sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector = 0;
128			}
129	✓✓	13798	else if (((sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector) == (logical_sector \| LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID))
130			{
131
132			/* Simply invalidate the last entry. */
133		248	(sector_mapping_cache_entry_ptr + 3) -> lx_nor_sector_mapping_cache_logical_sector = 0;
134			}
135			}
136		17458	}
137