Merging changes for the v.6.5.1.202602 release#75

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Merged
fdesbiens merged 4 commits into from
Jun 8, 2026
Merged

Merging changes for the v.6.5.1.202602 release #75

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bfb3967
Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…
fdesbiens Jun 2, 2026
2e061ba
Added a release preparation script (#73)
fdesbiens Jun 4, 2026
b9f54b8
Updated version number constants (#74)
fdesbiens Jun 4, 2026
123218c
Added copyright headers to files missing them
fdesbiens Jun 6, 2026
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1 change: 1 addition & 0 deletions common/CMakeLists.txt
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Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down
29 changes: 27 additions & 2 deletions common/inc/lx_api.h
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Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
are deferred when free block count exceeds the threshold below (opt-in, default: off).
Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
USHORT *lx_nand_flash_block_list;
ULONG lx_nand_flash_block_list_size;
ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Parallel to block_mapping_table: physical block with pending compaction for a group,
or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
USHORT *lx_nand_flash_block_compaction_table;
ULONG lx_nand_flash_block_compaction_table_size;
#endif
ULONG lx_nand_flash_mapped_block_list_head;

ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down
38 changes: 38 additions & 0 deletions common/src/lx_nand_flash_block_allocate.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
* SPDX-License-Identifier: MIT
**************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
{

ULONG lg;
UINT compact_status;

/* Emergency compaction: find any pending compaction and execute it to
reclaim the old full block. */
for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
{

if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
{

compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

if (compact_status == LX_SUCCESS)
{

/* Retry the allocation after compaction freed a block. */
if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
{

nand_flash -> lx_nand_flash_free_block_list_tail--;
*block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
return(LX_SUCCESS);
}
}

/* Attempt only one compaction per allocate call. */
break;
}
}

}
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

/* Empty list, return error. */
return(LX_NO_BLOCKS);
}
Expand Down
28 changes: 28 additions & 0 deletions common/src/lx_nand_flash_block_data_move.c
View file
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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
* SPDX-License-Identifier: MIT
**************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
return(LX_ERROR);
}

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* If this logical group has a pending compaction source, redirect the
data move to a full logical-group compact to correctly merge data from
both source blocks. */
if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
{

/* Return the pre-allocated new_block to the free list. */
status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

if (status)
{
_lx_nand_flash_system_error(nand_flash, status, new_block, 0);
return(LX_ERROR);
}

_lx_nand_flash_free_block_list_add(nand_flash, new_block);

/* Restore block_mapping_index to the mapped list; mapped_block_list_get
already removed it before this function was called. */
_lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

/* Perform full compaction merge of both source blocks. */
return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
}
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

/* Set new block status to allocated for now. */
new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down
29 changes: 29 additions & 0 deletions common/src/lx_nand_flash_defragment.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
* SPDX-License-Identifier: MIT
**************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

/* Compact every logical group that has a deferred compaction pending. */
for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
{

if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
{

status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

/* On error, continue to compact remaining groups. */
if (status)
{
_lx_nand_flash_system_error(nand_flash, status, lg, 0);
}
}
}

return(LX_SUCCESS);

#else

LX_PARAMETER_NOT_USED(nand_flash);

/* Return not supported. */
return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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})();
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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Merging changes for the v.6.5.1.202602 release#75

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 Merged

fdesbiens
merged 4 commits into

from

Jun 8, 2026
 Merged


Merging changes for the v.6.5.1.202602 release
#75
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bfb3967

Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…


fdesbiens Jun 2, 2026
2e061ba

Added a release preparation script (#73)


fdesbiens Jun 4, 2026
b9f54b8

Updated version number constants (#74)


fdesbiens Jun 4, 2026
123218c

Added copyright headers to files missing them


fdesbiens Jun 6, 2026

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1 change: 1 addition & 0 deletions
common/CMakeLists.txt

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down

29 changes: 27 additions & 2 deletions
common/inc/lx_api.h

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
 are deferred when free block count exceeds the threshold below (opt-in, default: off).
 Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
 has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
 USHORT *lx_nand_flash_block_list;
 ULONG lx_nand_flash_block_list_size;
 ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* Parallel to block_mapping_table: physical block with pending compaction for a group,
 or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
 USHORT *lx_nand_flash_block_compaction_table;
 ULONG lx_nand_flash_block_compaction_table_size;
#endif
 ULONG lx_nand_flash_mapped_block_list_head;

 ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down

38 changes: 38 additions & 0 deletions
common/src/lx_nand_flash_block_allocate.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
 if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
 {

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 {

 ULONG lg;
 UINT compact_status;

 /* Emergency compaction: find any pending compaction and execute it to
 reclaim the old full block. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 if (compact_status == LX_SUCCESS)
 {

 /* Retry the allocation after compaction freed a block. */
 if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
 {

 nand_flash -> lx_nand_flash_free_block_list_tail--;
 *block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
 return(LX_SUCCESS);
 }
 }

 /* Attempt only one compaction per allocate call. */
 break;
 }
 }

 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Empty list, return error. */
 return(LX_NO_BLOCKS);
 }
Expand Down

28 changes: 28 additions & 0 deletions
common/src/lx_nand_flash_block_data_move.c

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
 return(LX_ERROR);
 }

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* If this logical group has a pending compaction source, redirect the
 data move to a full logical-group compact to correctly merge data from
 both source blocks. */
 if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 /* Return the pre-allocated new_block to the free list. */
 status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, new_block, 0);
 return(LX_ERROR);
 }

 _lx_nand_flash_free_block_list_add(nand_flash, new_block);

 /* Restore block_mapping_index to the mapped list; mapped_block_list_get
 already removed it before this function was called. */
 _lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

 /* Perform full compaction merge of both source blocks. */
 return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Set new block status to allocated for now. */
 new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down

29 changes: 29 additions & 0 deletions
common/src/lx_nand_flash_defragment.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

 /* Compact every logical group that has a deferred compaction pending. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 /* On error, continue to compact remaining groups. */
 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, lg, 0);
 }
 }
 }

 return(LX_SUCCESS);

#else

 LX_PARAMETER_NOT_USED(nand_flash);

 /* Return not supported. */
 return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Merging changes for the v.6.5.1.202602 release#75

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 Merged

fdesbiens
merged 4 commits into

from

Jun 8, 2026
 Merged


Merging changes for the v.6.5.1.202602 release
#75
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bfb3967

Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…


fdesbiens Jun 2, 2026
2e061ba

Added a release preparation script (#73)


fdesbiens Jun 4, 2026
b9f54b8

Updated version number constants (#74)


fdesbiens Jun 4, 2026
123218c

Added copyright headers to files missing them


fdesbiens Jun 6, 2026

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common/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down

29 changes: 27 additions & 2 deletions
common/inc/lx_api.h

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Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
 are deferred when free block count exceeds the threshold below (opt-in, default: off).
 Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
 has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
 USHORT *lx_nand_flash_block_list;
 ULONG lx_nand_flash_block_list_size;
 ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* Parallel to block_mapping_table: physical block with pending compaction for a group,
 or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
 USHORT *lx_nand_flash_block_compaction_table;
 ULONG lx_nand_flash_block_compaction_table_size;
#endif
 ULONG lx_nand_flash_mapped_block_list_head;

 ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down

38 changes: 38 additions & 0 deletions
common/src/lx_nand_flash_block_allocate.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
 if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
 {

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 {

 ULONG lg;
 UINT compact_status;

 /* Emergency compaction: find any pending compaction and execute it to
 reclaim the old full block. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 if (compact_status == LX_SUCCESS)
 {

 /* Retry the allocation after compaction freed a block. */
 if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
 {

 nand_flash -> lx_nand_flash_free_block_list_tail--;
 *block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
 return(LX_SUCCESS);
 }
 }

 /* Attempt only one compaction per allocate call. */
 break;
 }
 }

 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Empty list, return error. */
 return(LX_NO_BLOCKS);
 }
Expand Down

28 changes: 28 additions & 0 deletions
common/src/lx_nand_flash_block_data_move.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
 return(LX_ERROR);
 }

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* If this logical group has a pending compaction source, redirect the
 data move to a full logical-group compact to correctly merge data from
 both source blocks. */
 if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 /* Return the pre-allocated new_block to the free list. */
 status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, new_block, 0);
 return(LX_ERROR);
 }

 _lx_nand_flash_free_block_list_add(nand_flash, new_block);

 /* Restore block_mapping_index to the mapped list; mapped_block_list_get
 already removed it before this function was called. */
 _lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

 /* Perform full compaction merge of both source blocks. */
 return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Set new block status to allocated for now. */
 new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down

29 changes: 29 additions & 0 deletions
common/src/lx_nand_flash_defragment.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

 /* Compact every logical group that has a deferred compaction pending. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 /* On error, continue to compact remaining groups. */
 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, lg, 0);
 }
 }
 }

 return(LX_SUCCESS);

#else

 LX_PARAMETER_NOT_USED(nand_flash);

 /* Return not supported. */
 return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Merging changes for the v.6.5.1.202602 release#75

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 Merged

fdesbiens
merged 4 commits into

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Jun 8, 2026
 Merged


Merging changes for the v.6.5.1.202602 release
#75
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bfb3967

Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…


fdesbiens Jun 2, 2026
2e061ba

Added a release preparation script (#73)


fdesbiens Jun 4, 2026
b9f54b8

Updated version number constants (#74)


fdesbiens Jun 4, 2026
123218c

Added copyright headers to files missing them


fdesbiens Jun 6, 2026

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1 change: 1 addition & 0 deletions
common/CMakeLists.txt

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down

29 changes: 27 additions & 2 deletions
common/inc/lx_api.h

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
 are deferred when free block count exceeds the threshold below (opt-in, default: off).
 Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
 has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
 USHORT *lx_nand_flash_block_list;
 ULONG lx_nand_flash_block_list_size;
 ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* Parallel to block_mapping_table: physical block with pending compaction for a group,
 or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
 USHORT *lx_nand_flash_block_compaction_table;
 ULONG lx_nand_flash_block_compaction_table_size;
#endif
 ULONG lx_nand_flash_mapped_block_list_head;

 ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down

38 changes: 38 additions & 0 deletions
common/src/lx_nand_flash_block_allocate.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
 if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
 {

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 {

 ULONG lg;
 UINT compact_status;

 /* Emergency compaction: find any pending compaction and execute it to
 reclaim the old full block. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 if (compact_status == LX_SUCCESS)
 {

 /* Retry the allocation after compaction freed a block. */
 if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
 {

 nand_flash -> lx_nand_flash_free_block_list_tail--;
 *block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
 return(LX_SUCCESS);
 }
 }

 /* Attempt only one compaction per allocate call. */
 break;
 }
 }

 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Empty list, return error. */
 return(LX_NO_BLOCKS);
 }
Expand Down

28 changes: 28 additions & 0 deletions
common/src/lx_nand_flash_block_data_move.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
 return(LX_ERROR);
 }

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* If this logical group has a pending compaction source, redirect the
 data move to a full logical-group compact to correctly merge data from
 both source blocks. */
 if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 /* Return the pre-allocated new_block to the free list. */
 status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, new_block, 0);
 return(LX_ERROR);
 }

 _lx_nand_flash_free_block_list_add(nand_flash, new_block);

 /* Restore block_mapping_index to the mapped list; mapped_block_list_get
 already removed it before this function was called. */
 _lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

 /* Perform full compaction merge of both source blocks. */
 return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Set new block status to allocated for now. */
 new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down

29 changes: 29 additions & 0 deletions
common/src/lx_nand_flash_defragment.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

 /* Compact every logical group that has a deferred compaction pending. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 /* On error, continue to compact remaining groups. */
 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, lg, 0);
 }
 }
 }

 return(LX_SUCCESS);

#else

 LX_PARAMETER_NOT_USED(nand_flash);

 /* Return not supported. */
 return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Merging changes for the v.6.5.1.202602 release#75

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 Merged

fdesbiens
merged 4 commits into

from

Jun 8, 2026
 Merged


Merging changes for the v.6.5.1.202602 release
#75
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bfb3967

Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…


fdesbiens Jun 2, 2026
2e061ba

Added a release preparation script (#73)


fdesbiens Jun 4, 2026
b9f54b8

Updated version number constants (#74)


fdesbiens Jun 4, 2026
123218c

Added copyright headers to files missing them


fdesbiens Jun 6, 2026

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1 change: 1 addition & 0 deletions
common/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down

29 changes: 27 additions & 2 deletions
common/inc/lx_api.h

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Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
 are deferred when free block count exceeds the threshold below (opt-in, default: off).
 Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
 has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
 USHORT *lx_nand_flash_block_list;
 ULONG lx_nand_flash_block_list_size;
 ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* Parallel to block_mapping_table: physical block with pending compaction for a group,
 or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
 USHORT *lx_nand_flash_block_compaction_table;
 ULONG lx_nand_flash_block_compaction_table_size;
#endif
 ULONG lx_nand_flash_mapped_block_list_head;

 ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down

38 changes: 38 additions & 0 deletions
common/src/lx_nand_flash_block_allocate.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
 if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
 {

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 {

 ULONG lg;
 UINT compact_status;

 /* Emergency compaction: find any pending compaction and execute it to
 reclaim the old full block. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 if (compact_status == LX_SUCCESS)
 {

 /* Retry the allocation after compaction freed a block. */
 if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
 {

 nand_flash -> lx_nand_flash_free_block_list_tail--;
 *block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
 return(LX_SUCCESS);
 }
 }

 /* Attempt only one compaction per allocate call. */
 break;
 }
 }

 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Empty list, return error. */
 return(LX_NO_BLOCKS);
 }
Expand Down

28 changes: 28 additions & 0 deletions
common/src/lx_nand_flash_block_data_move.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
 return(LX_ERROR);
 }

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* If this logical group has a pending compaction source, redirect the
 data move to a full logical-group compact to correctly merge data from
 both source blocks. */
 if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 /* Return the pre-allocated new_block to the free list. */
 status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, new_block, 0);
 return(LX_ERROR);
 }

 _lx_nand_flash_free_block_list_add(nand_flash, new_block);

 /* Restore block_mapping_index to the mapped list; mapped_block_list_get
 already removed it before this function was called. */
 _lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

 /* Perform full compaction merge of both source blocks. */
 return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Set new block status to allocated for now. */
 new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down

29 changes: 29 additions & 0 deletions
common/src/lx_nand_flash_defragment.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

 /* Compact every logical group that has a deferred compaction pending. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 /* On error, continue to compact remaining groups. */
 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, lg, 0);
 }
 }
 }

 return(LX_SUCCESS);

#else

 LX_PARAMETER_NOT_USED(nand_flash);

 /* Return not supported. */
 return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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try {
var __m = "*";
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Merging changes for the v.6.5.1.202602 release#75

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 Merged

fdesbiens
merged 4 commits into

from

Jun 8, 2026
 Merged


Merging changes for the v.6.5.1.202602 release
#75
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bfb3967

Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…


fdesbiens Jun 2, 2026
2e061ba

Added a release preparation script (#73)


fdesbiens Jun 4, 2026
b9f54b8

Updated version number constants (#74)


fdesbiens Jun 4, 2026
123218c

Added copyright headers to files missing them


fdesbiens Jun 6, 2026

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1 change: 1 addition & 0 deletions
common/CMakeLists.txt

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down

29 changes: 27 additions & 2 deletions
common/inc/lx_api.h

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
 are deferred when free block count exceeds the threshold below (opt-in, default: off).
 Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
 has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
 USHORT *lx_nand_flash_block_list;
 ULONG lx_nand_flash_block_list_size;
 ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* Parallel to block_mapping_table: physical block with pending compaction for a group,
 or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
 USHORT *lx_nand_flash_block_compaction_table;
 ULONG lx_nand_flash_block_compaction_table_size;
#endif
 ULONG lx_nand_flash_mapped_block_list_head;

 ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down

38 changes: 38 additions & 0 deletions
common/src/lx_nand_flash_block_allocate.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
 if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
 {

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 {

 ULONG lg;
 UINT compact_status;

 /* Emergency compaction: find any pending compaction and execute it to
 reclaim the old full block. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 if (compact_status == LX_SUCCESS)
 {

 /* Retry the allocation after compaction freed a block. */
 if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
 {

 nand_flash -> lx_nand_flash_free_block_list_tail--;
 *block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
 return(LX_SUCCESS);
 }
 }

 /* Attempt only one compaction per allocate call. */
 break;
 }
 }

 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Empty list, return error. */
 return(LX_NO_BLOCKS);
 }
Expand Down

28 changes: 28 additions & 0 deletions
common/src/lx_nand_flash_block_data_move.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
 return(LX_ERROR);
 }

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* If this logical group has a pending compaction source, redirect the
 data move to a full logical-group compact to correctly merge data from
 both source blocks. */
 if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 /* Return the pre-allocated new_block to the free list. */
 status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, new_block, 0);
 return(LX_ERROR);
 }

 _lx_nand_flash_free_block_list_add(nand_flash, new_block);

 /* Restore block_mapping_index to the mapped list; mapped_block_list_get
 already removed it before this function was called. */
 _lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

 /* Perform full compaction merge of both source blocks. */
 return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Set new block status to allocated for now. */
 new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down

29 changes: 29 additions & 0 deletions
common/src/lx_nand_flash_defragment.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

 /* Compact every logical group that has a deferred compaction pending. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 /* On error, continue to compact remaining groups. */
 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, lg, 0);
 }
 }
 }

 return(LX_SUCCESS);

#else

 LX_PARAMETER_NOT_USED(nand_flash);

 /* Return not supported. */
 return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
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})();
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try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Merging changes for the v.6.5.1.202602 release#75

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privacy statement. We’ll occasionally send you account related emails.

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 Merged

fdesbiens
merged 4 commits into

from

Jun 8, 2026
 Merged


Merging changes for the v.6.5.1.202602 release
#75
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bfb3967

Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…


fdesbiens Jun 2, 2026
2e061ba

Added a release preparation script (#73)


fdesbiens Jun 4, 2026
b9f54b8

Updated version number constants (#74)


fdesbiens Jun 4, 2026
123218c

Added copyright headers to files missing them


fdesbiens Jun 6, 2026

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1 change: 1 addition & 0 deletions
common/CMakeLists.txt

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down

29 changes: 27 additions & 2 deletions
common/inc/lx_api.h

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Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
 are deferred when free block count exceeds the threshold below (opt-in, default: off).
 Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
 has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
 USHORT *lx_nand_flash_block_list;
 ULONG lx_nand_flash_block_list_size;
 ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* Parallel to block_mapping_table: physical block with pending compaction for a group,
 or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
 USHORT *lx_nand_flash_block_compaction_table;
 ULONG lx_nand_flash_block_compaction_table_size;
#endif
 ULONG lx_nand_flash_mapped_block_list_head;

 ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down

38 changes: 38 additions & 0 deletions
common/src/lx_nand_flash_block_allocate.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
 if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
 {

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 {

 ULONG lg;
 UINT compact_status;

 /* Emergency compaction: find any pending compaction and execute it to
 reclaim the old full block. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 if (compact_status == LX_SUCCESS)
 {

 /* Retry the allocation after compaction freed a block. */
 if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
 {

 nand_flash -> lx_nand_flash_free_block_list_tail--;
 *block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
 return(LX_SUCCESS);
 }
 }

 /* Attempt only one compaction per allocate call. */
 break;
 }
 }

 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Empty list, return error. */
 return(LX_NO_BLOCKS);
 }
Expand Down

28 changes: 28 additions & 0 deletions
common/src/lx_nand_flash_block_data_move.c

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
 return(LX_ERROR);
 }

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* If this logical group has a pending compaction source, redirect the
 data move to a full logical-group compact to correctly merge data from
 both source blocks. */
 if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 /* Return the pre-allocated new_block to the free list. */
 status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, new_block, 0);
 return(LX_ERROR);
 }

 _lx_nand_flash_free_block_list_add(nand_flash, new_block);

 /* Restore block_mapping_index to the mapped list; mapped_block_list_get
 already removed it before this function was called. */
 _lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

 /* Perform full compaction merge of both source blocks. */
 return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Set new block status to allocated for now. */
 new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down

29 changes: 29 additions & 0 deletions
common/src/lx_nand_flash_defragment.c

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

 /* Compact every logical group that has a deferred compaction pending. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 /* On error, continue to compact remaining groups. */
 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, lg, 0);
 }
 }
 }

 return(LX_SUCCESS);

#else

 LX_PARAMETER_NOT_USED(nand_flash);

 /* Return not supported. */
 return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Merging changes for the v.6.5.1.202602 release#75

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 Merged

fdesbiens
merged 4 commits into

from

Jun 8, 2026
 Merged


Merging changes for the v.6.5.1.202602 release
#75
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bfb3967

Added opt-in lazy sector release to reduce O(N²) deletion (issue #70)…


fdesbiens Jun 2, 2026
2e061ba

Added a release preparation script (#73)


fdesbiens Jun 4, 2026
b9f54b8

Updated version number constants (#74)


fdesbiens Jun 4, 2026
123218c

Added copyright headers to files missing them


fdesbiens Jun 6, 2026

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1 change: 1 addition & 0 deletions
common/CMakeLists.txt

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Original file line numberDiff line numberDiff line change
Expand Up@@ -23,6 +23,7 @@ target_sources(${PROJECT_NAME} PRIVATE
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_format_extended.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_free_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_initialize.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_logical_group_compact.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_add.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_get.c
	${CMAKE_CURRENT_LIST_DIR}/src/lx_nand_flash_mapped_block_list_remove.c
Expand Down

29 changes: 27 additions & 2 deletions
common/inc/lx_api.h

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -149,8 +149,8 @@ typedef unsigned long long ULONG64;
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 5
#define LEVELX_PATCH_VERSION 0
#define LEVELX_BUILD_VERSION 202601
#define LEVELX_PATCH_VERSION 1
#define LEVELX_BUILD_VERSION 202602
#define LEVELX_HOTFIX_VERSION ' '


Expand DownExpand Up@@ -274,6 +274,17 @@ typedef unsigned long long ULONG64;
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif

/* When LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE is defined, sector releases from full blocks
 are deferred when free block count exceeds the threshold below (opt-in, default: off).
 Requires pages_per_block <= 4095 (bit 12 is reserved for COMPACTION_PENDING flag). */
/* #define LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
#ifndef LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD
#define LX_NAND_FLASH_SECTOR_RELEASE_LAZY_THRESHOLD 10u
#endif
#endif

#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
Expand DownExpand Up@@ -328,6 +339,11 @@ typedef unsigned long long ULONG64;
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
/* Repurpose the otherwise-unused MAPPING_PRESENT bit to signal a block whose compaction
 has been deferred. Only valid when pages_per_block <= 4095. */
#define LX_NAND_BLOCK_STATUS_COMPACTION_PENDING LX_NAND_BLOCK_STATUS_MAPPING_PRESENT
#endif
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
Expand DownExpand Up@@ -402,6 +418,12 @@ typedef struct LX_NAND_FLASH_STRUCT
 USHORT *lx_nand_flash_block_list;
 ULONG lx_nand_flash_block_list_size;
 ULONG lx_nand_flash_free_block_list_tail;
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* Parallel to block_mapping_table: physical block with pending compaction for a group,
 or LX_NAND_BLOCK_UNMAPPED when no compaction is pending. */
 USHORT *lx_nand_flash_block_compaction_table;
 ULONG lx_nand_flash_block_compaction_table_size;
#endif
 ULONG lx_nand_flash_mapped_block_list_head;

 ULONG lx_nand_flash_metadata_block_number;
Expand DownExpand Up@@ -771,6 +793,9 @@ UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buf
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
UINT _lx_nand_flash_logical_group_compact(LX_NAND_FLASH *nand_flash, ULONG logical_group);
#endif

UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
Expand Down

38 changes: 38 additions & 0 deletions
common/src/lx_nand_flash_block_allocate.c

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -75,6 +76,43 @@ UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH* nand_flash, ULONG* block)
 if (nand_flash -> lx_nand_flash_free_block_list_tail == 0)
 {

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 {

 ULONG lg;
 UINT compact_status;

 /* Emergency compaction: find any pending compaction and execute it to
 reclaim the old full block. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 compact_status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 if (compact_status == LX_SUCCESS)
 {

 /* Retry the allocation after compaction freed a block. */
 if (nand_flash -> lx_nand_flash_free_block_list_tail > 0)
 {

 nand_flash -> lx_nand_flash_free_block_list_tail--;
 *block = nand_flash -> lx_nand_flash_block_list[nand_flash -> lx_nand_flash_free_block_list_tail];
 return(LX_SUCCESS);
 }
 }

 /* Attempt only one compaction per allocate call. */
 break;
 }
 }

 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Empty list, return error. */
 return(LX_NO_BLOCKS);
 }
Expand Down

28 changes: 28 additions & 0 deletions
common/src/lx_nand_flash_block_data_move.c

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -111,6 +112,33 @@ ULONG block_mapping_index;
 return(LX_ERROR);
 }

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE
 /* If this logical group has a pending compaction source, redirect the
 data move to a full logical-group compact to correctly merge data from
 both source blocks. */
 if (nand_flash -> lx_nand_flash_block_compaction_table[block_mapping_index] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 /* Return the pre-allocated new_block to the free list. */
 status = _lx_nand_flash_block_status_set(nand_flash, new_block, LX_NAND_BLOCK_STATUS_FREE);

 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, new_block, 0);
 return(LX_ERROR);
 }

 _lx_nand_flash_free_block_list_add(nand_flash, new_block);

 /* Restore block_mapping_index to the mapped list; mapped_block_list_get
 already removed it before this function was called. */
 _lx_nand_flash_mapped_block_list_add(nand_flash, block_mapping_index);

 /* Perform full compaction merge of both source blocks. */
 return(_lx_nand_flash_logical_group_compact(nand_flash, block_mapping_index));
 }
#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */

 /* Set new block status to allocated for now. */
 new_block_status = LX_NAND_BLOCK_STATUS_ALLOCATED;

Expand Down

29 changes: 29 additions & 0 deletions
common/src/lx_nand_flash_defragment.c

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,6 +9,7 @@
 * SPDX-License-Identifier: MIT
 **************************************************************************/

// Some portions generated by Copilot (Sonnet 4.6).

/**************************************************************************/
/**************************************************************************/
Expand DownExpand Up@@ -72,10 +73,38 @@
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash)
{

#ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE

UINT status;
ULONG lg;

 /* Compact every logical group that has a deferred compaction pending. */
 for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++)
 {

 if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED)
 {

 status = _lx_nand_flash_logical_group_compact(nand_flash, lg);

 /* On error, continue to compact remaining groups. */
 if (status)
 {
 _lx_nand_flash_system_error(nand_flash, status, lg, 0);
 }
 }
 }

 return(LX_SUCCESS);

#else

 LX_PARAMETER_NOT_USED(nand_flash);

 /* Return not supported. */
 return(LX_NOT_SUPPORTED);

#endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */
}


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