OrgApache/incubator-nuttx
OrgApache
/
incubator-nuttx
mirror of https://github.com/apache/incubator-nuttx.git
1
0
Fork 0
Code Issues Releases Wiki Activity

libs/misc/memoryregion: remove unused memory_region 

memory region will no longer be used

Signed-off-by: chao an <anchao@lixiang.com>
This commit is contained in:
chao an 2024-10-15 11:45:39 +08:00 committed by Xiang Xiao
parent 5de9d957e6
commit d49db03e04
4 changed files with 1 additions and 208 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
include/nuttx/memoryregion.h
View File

@ -41,57 +41,5 @@ struct memory_region_s
uintptr_t end; /* End address of this region */
uint32_t flags; /* Figure 5-3: Segment Flag Bits: PF_[X|W|R] */
};
/****************************************************************************
* Public Function
****************************************************************************/
/****************************************************************************
* Name: parse_memory_region
*
* Input Parameters:
* format - The format string to parse. <start>,<end>,<flags>,...
* start - The start address of the memory region
* end - The end address of the memory region
* flags - Readable 0x1, writable 0x2, executable 0x4
* region - The memory region to populate
* num - The number of memory regions to parse
*
* example: 0x1000,0x2000,0x1,0x2000,0x3000,0x3,0x3000,0x4000,0x7
*
****************************************************************************/
ssize_t parse_memory_region(FAR const char *format,
FAR struct memory_region_s *region,
size_t num);
/****************************************************************************
* Name: alloc_memory_region
*
* Input Parameters:
* format - The format string to parse. <start>,<end>,<flags>,...
* start - The start address of the memory region
* end - The end address of the memory region
* flags - Readable 0x1, writable 0x2, executable 0x4
* example: 0x1000,0x2000,0x1,0x2000,0x3000,0x3,0x3000,0x4000,0x7
*
* Return:
* The parsed memory region list on success; NULL on failure.
* The boundary value of the memory region is zero.
* The return value need free by caller.
*
****************************************************************************/
FAR struct memory_region_s *
alloc_memory_region(FAR const char *format);
/****************************************************************************
* Name: free_memory_region
*
* Input Parameters:
* region - The memory region list to free.
*
****************************************************************************/
void free_memory_region(FAR const struct memory_region_s *region);
#endif /* __INCLUDE_MEMORYREGION_H */

1
libs/libc/misc/CMakeLists.txt
View File

@ -47,7 +47,6 @@ list(
lib_mkdirat.c
lib_utimensat.c
lib_mallopt.c
lib_memoryregion.c
lib_getnprocs.c
lib_pathbuffer.c)

2
libs/libc/misc/Make.defs
View File

@ -26,7 +26,7 @@ CSRCS += lib_bitmap.c lib_circbuf.c lib_mknod.c lib_umask.c lib_utsname.c
CSRCS += lib_getrandom.c lib_xorshift128.c lib_tea_encrypt.c lib_tea_decrypt.c
CSRCS += lib_cxx_initialize.c lib_impure.c lib_memfd.c lib_mutex.c
CSRCS += lib_fchmodat.c lib_fstatat.c lib_getfullpath.c lib_openat.c
CSRCS += lib_mkdirat.c lib_utimensat.c lib_mallopt.c lib_memoryregion.c
CSRCS += lib_mkdirat.c lib_utimensat.c lib_mallopt.c
CSRCS += lib_idr.c lib_getnprocs.c lib_pathbuffer.c
# Support for platforms that do not have long long types

154
libs/libc/misc/lib_memoryregion.c
View File

@ -1,154 +0,0 @@
/****************************************************************************
* libs/libc/misc/lib_memoryregion.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/memoryregion.h>
#include <nuttx/lib/lib.h>
#include <stdlib.h>
#include <errno.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: parse_memory_region
*
* Input Parameters:
* format - The format string to parse. <start>,<end>,<flags>,...
* start - The start address of the memory region
* end - The end address of the memory region
* flags - Executable 0x1, Writable 0x2, Readable 0x4
* region - The memory region to populate
* num - The number of memory regions to parse
*
* example: 0x1000,0x2000,0x4,0x2000,0x3000,0x6,0x3000,0x4000,0x7
*
****************************************************************************/
ssize_t parse_memory_region(FAR const char *format,
FAR struct memory_region_s *region,
size_t num)
{
FAR char *endptr;
size_t i = 0;
if (format == NULL)
{
return -EINVAL;
}
if (num == 0 || region == NULL)
{
num = 0;
while (format[i] != '\0')
{
if (format[i++] == ',')
{
num++;
}
}
}
if (region == NULL)
{
return num / 3 + 1;
}
while (*format != '\0' && i < num * 3)
{
if (i % 3 == 0)
{
region[i / 3].start = strtoul(format, &endptr, 0);
}
else if (i % 3 == 1)
{
region[i / 3].end = strtoul(format, &endptr, 0);
}
else if (i % 3 == 2)
{
region[i / 3].flags = strtoul(format, &endptr, 0);
}
format = endptr + 1;
i++;
}
return i / 3;
}
/****************************************************************************
* Name: alloc_memory_region
*
* Input Parameters:
* format - The format string to parse. <start>,<end>,<flags>,...
* start - The start address of the memory region
* end - The end address of the memory region
* flags - Executable 0x1, Writable 0x2, Readable 0x4
* example: 0x1000,0x2000,0x4,0x2000,0x3000,0x6,0x3000,0x4000,0x7
*
* Return:
* The parsed memory region list on success; NULL on failure.
* The boundary value of the memory region is zero.
* The return value need free by caller.
*
****************************************************************************/
FAR struct memory_region_s *
alloc_memory_region(FAR const char *format)
{
FAR struct memory_region_s *region;
ssize_t num = parse_memory_region(format, NULL, 0);
if (num < 0)
{
return NULL;
}
region = lib_zalloc(sizeof(struct memory_region_s) * (num + 1));
if (region == NULL)
{
return NULL;
}
parse_memory_region(format, region, num);
return region;
}
/****************************************************************************
* Name: free_memory_region
*
* Input Parameters:
* region - The memory region list to free.
*
****************************************************************************/
void free_memory_region(FAR const struct memory_region_s *region)
{
if (region != NULL)
{
lib_free((FAR void *)region);
}
}