diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-03-03 19:23:53 +0100 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-03-09 17:26:54 +0100 |
commit | 0161b93d50d6915116c4ca9d1cad42ef89a4ad9e (patch) | |
tree | 92519deb9ceecf46fa298e94c5ae6dc11672bf01 /cpukit/include/rtems/confdefs | |
parent | 103a371faa61eb938bf39bc38e1ac2b30cb18bd3 (diff) |
imfs: Replace devfs with an IMFS specialization
Add a simplified path evaluation function IMFS_eval_path_devfs() for a
device only IMFS configuration.
The code size can be further reduced by the application if it disables
the support for legacy IO drivers via:
#define CONFIGURE_IMFS_DISABLE_MKNOD
#define CONFIGURE_IMFS_DISABLE_MKNOD_DEVICE
Obsolete CONFIGURE_MAXIMUM_DEVICES. Remove BSP_MAXIMUM_DEVICES.
Update #3894.
Update #3898.
Diffstat (limited to 'cpukit/include/rtems/confdefs')
-rw-r--r-- | cpukit/include/rtems/confdefs/bsp.h | 1 | ||||
-rw-r--r-- | cpukit/include/rtems/confdefs/libio.h | 102 | ||||
-rw-r--r-- | cpukit/include/rtems/confdefs/obsolete.h | 4 |
3 files changed, 42 insertions, 65 deletions
diff --git a/cpukit/include/rtems/confdefs/bsp.h b/cpukit/include/rtems/confdefs/bsp.h index 9af46a8d29..7237c03522 100644 --- a/cpukit/include/rtems/confdefs/bsp.h +++ b/cpukit/include/rtems/confdefs/bsp.h @@ -48,7 +48,6 @@ #undef BSP_IDLE_TASK_STACK_SIZE #undef BSP_INITIAL_EXTENSION #undef BSP_INTERRUPT_STACK_SIZE - #undef BSP_MAXIMUM_DEVICES #undef CONFIGURE_BSP_PREREQUISITE_DRIVERS #undef CONFIGURE_MALLOC_BSP_SUPPORTS_SBRK #else diff --git a/cpukit/include/rtems/confdefs/libio.h b/cpukit/include/rtems/confdefs/libio.h index 3c45771952..603b2882c1 100644 --- a/cpukit/include/rtems/confdefs/libio.h +++ b/cpukit/include/rtems/confdefs/libio.h @@ -47,7 +47,6 @@ #include <rtems/sysinit.h> #ifdef CONFIGURE_FILESYSTEM_ALL - #define CONFIGURE_FILESYSTEM_DEVFS #define CONFIGURE_FILESYSTEM_DOSFS #define CONFIGURE_FILESYSTEM_FTPFS #define CONFIGURE_FILESYSTEM_IMFS @@ -57,12 +56,6 @@ #define CONFIGURE_FILESYSTEM_TFTPFS #endif -#ifdef CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM - #define CONFIGURE_FILESYSTEM_DEVFS -#elif !defined(CONFIGURE_APPLICATION_DISABLE_FILESYSTEM) - #define _CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM -#endif - #ifdef CONFIGURE_USE_MINIIMFS_AS_BASE_FILESYSTEM #ifdef CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM #error "CONFIGURE_USE_MINIIMFS_AS_BASE_FILESYSTEM cannot be used together with CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM" @@ -78,6 +71,21 @@ #define CONFIGURE_IMFS_DISABLE_UTIME #endif +#ifdef CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM + #define CONFIGURE_IMFS_DISABLE_CHMOD + #define CONFIGURE_IMFS_DISABLE_CHOWN + #define CONFIGURE_IMFS_DISABLE_LINK + #define CONFIGURE_IMFS_DISABLE_MKNOD_FILE + #define CONFIGURE_IMFS_DISABLE_MOUNT + #define CONFIGURE_IMFS_DISABLE_READDIR + #define CONFIGURE_IMFS_DISABLE_READLINK + #define CONFIGURE_IMFS_DISABLE_RENAME + #define CONFIGURE_IMFS_DISABLE_RMNOD + #define CONFIGURE_IMFS_DISABLE_SYMLINK + #define CONFIGURE_IMFS_DISABLE_UNMOUNT + #define CONFIGURE_IMFS_DISABLE_UTIME +#endif + #ifdef CONFIGURE_APPLICATION_DISABLE_FILESYSTEM #ifdef CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM #error "CONFIGURE_APPLICATION_DISABLE_FILESYSTEM cannot be used together with CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM" @@ -87,10 +95,6 @@ #error "CONFIGURE_APPLICATION_DISABLE_FILESYSTEM cannot be used together with CONFIGURE_USE_MINIIMFS_AS_BASE_FILESYSTEM" #endif - #ifdef CONFIGURE_FILESYSTEM_DEVFS - #error "CONFIGURE_APPLICATION_DISABLE_FILESYSTEM cannot be used together with CONFIGURE_FILESYSTEM_DEVFS" - #endif - #ifdef CONFIGURE_FILESYSTEM_DOSFS #error "CONFIGURE_APPLICATION_DISABLE_FILESYSTEM cannot be used together with CONFIGURE_FILESYSTEM_DOSFS" #endif @@ -118,13 +122,9 @@ #ifdef CONFIGURE_FILESYSTEM_TFTPFS #error "CONFIGURE_APPLICATION_DISABLE_FILESYSTEM cannot be used together with CONFIGURE_FILESYSTEM_TFTPFS" #endif -#else - #define _CONFIGURE_FILESYSTEM_INITIALIZE #endif -#ifdef CONFIGURE_FILESYSTEM_DEVFS -#include <rtems/devfs.h> -#endif +#include <rtems/imfs.h> #ifdef CONFIGURE_FILESYSTEM_DOSFS #include <rtems/dosfs.h> @@ -134,11 +134,6 @@ #include <rtems/ftpfs.h> #endif -#if defined(CONFIGURE_FILESYSTEM_IMFS) \ - || defined(_CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM) -#include <rtems/imfs.h> -#endif - #ifdef CONFIGURE_FILESYSTEM_JFFS2 #include <rtems/jffs2.h> #endif @@ -159,28 +154,7 @@ extern "C" { #endif -#ifdef CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM - -#ifndef CONFIGURE_MAXIMUM_DEVICES - #ifdef BSP_MAXIMUM_DEVICES - #define CONFIGURE_MAXIMUM_DEVICES BSP_MAXIMUM_DEVICES - #else - #define CONFIGURE_MAXIMUM_DEVICES 4 - #endif -#endif - -static devFS_node devFS_root_filesystem_nodes[ CONFIGURE_MAXIMUM_DEVICES ]; - -static const devFS_data _Filesystem_Root_data = { - devFS_root_filesystem_nodes, - CONFIGURE_MAXIMUM_DEVICES -}; - -#define _CONFIGURE_FILESYSTEM_ROOT_TYPE RTEMS_FILESYSTEM_TYPE_DEVFS - -#endif /* CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM */ - -#ifdef _CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM +#ifndef CONFIGURE_APPLICATION_DISABLE_FILESYSTEM #ifndef CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK #define CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK \ @@ -198,12 +172,16 @@ static const devFS_data _Filesystem_Root_data = { const int imfs_memfile_bytes_per_block = CONFIGURE_IMFS_MEMFILE_BYTES_PER_BLOCK; -static IMFS_fs_info_t _IMFS_fs_info; +static IMFS_fs_info_t IMFS_root_fs_info; -static const rtems_filesystem_operations_table _IMFS_ops = { +static const rtems_filesystem_operations_table IMFS_root_ops = { rtems_filesystem_default_lock, rtems_filesystem_default_unlock, - IMFS_eval_path, + #ifdef CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM + IMFS_eval_path_devfs, + #else + IMFS_eval_path, + #endif #ifdef CONFIGURE_IMFS_DISABLE_LINK rtems_filesystem_default_link, #else @@ -266,13 +244,17 @@ static const rtems_filesystem_operations_table _IMFS_ops = { rtems_filesystem_default_statvfs }; -static const IMFS_mknod_controls _IMFS_mknod_controls = { +static const IMFS_mknod_controls IMFS_root_mknod_controls = { #ifdef CONFIGURE_IMFS_DISABLE_READDIR &IMFS_mknod_control_dir_minimal, #else &IMFS_mknod_control_dir_default, #endif - &IMFS_mknod_control_device, + #ifdef CONFIGURE_IMFS_DISABLE_MKNOD_DEVICE + &IMFS_mknod_control_enosys, + #else + &IMFS_mknod_control_device, + #endif #ifdef CONFIGURE_IMFS_DISABLE_MKNOD_FILE &IMFS_mknod_control_enosys, #else @@ -285,18 +267,12 @@ static const IMFS_mknod_controls _IMFS_mknod_controls = { #endif }; -static const IMFS_mount_data _Filesystem_Root_data = { - &_IMFS_fs_info, - &_IMFS_ops, - &_IMFS_mknod_controls +static const IMFS_mount_data IMFS_root_mount_data = { + &IMFS_root_fs_info, + &IMFS_root_ops, + &IMFS_root_mknod_controls }; -#define _CONFIGURE_FILESYSTEM_ROOT_TYPE "/" - -#endif /* _CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM */ - -#ifdef _CONFIGURE_FILESYSTEM_INITIALIZE - #if defined(CONFIGURE_FILESYSTEM_DEVFS) \ && !defined(CONFIGURE_FILESYSTEM_ENTRY_DEVFS) #define CONFIGURE_FILESYSTEM_ENTRY_DEVFS \ @@ -346,9 +322,7 @@ static const IMFS_mount_data _Filesystem_Root_data = { #endif const rtems_filesystem_table_t rtems_filesystem_table[] = { - #ifdef _CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM - { "/", IMFS_initialize_support }, - #endif + { "/", IMFS_initialize_support }, #ifdef CONFIGURE_FILESYSTEM_ENTRY_DEVFS CONFIGURE_FILESYSTEM_ENTRY_DEVFS, #endif @@ -380,9 +354,9 @@ const rtems_filesystem_mount_configuration rtems_filesystem_root_configuration = { NULL, NULL, - _CONFIGURE_FILESYSTEM_ROOT_TYPE, + "/", RTEMS_FILESYSTEM_READ_WRITE, - &_Filesystem_Root_data + &IMFS_root_mount_data }; RTEMS_SYSINIT_ITEM( @@ -391,7 +365,7 @@ RTEMS_SYSINIT_ITEM( RTEMS_SYSINIT_ORDER_MIDDLE ); -#endif /* _CONFIGURE_FILESYSTEM_INITIALIZE */ +#endif /* !CONFIGURE_APPLICATION_DISABLE_FILESYSTEM */ #ifndef CONFIGURE_MAXIMUM_FILE_DESCRIPTORS #define CONFIGURE_MAXIMUM_FILE_DESCRIPTORS 3 diff --git a/cpukit/include/rtems/confdefs/obsolete.h b/cpukit/include/rtems/confdefs/obsolete.h index 50293bce23..4e85fb679f 100644 --- a/cpukit/include/rtems/confdefs/obsolete.h +++ b/cpukit/include/rtems/confdefs/obsolete.h @@ -65,6 +65,10 @@ #error "The CONFIGURE_BDBUF_BUFFER_COUNT configuration option is obsolete since RTEMS 4.10.0" #endif +#ifdef CONFIGURE_MAXIMUM_DEVICES + #warning "The CONFIGURE_MAXIMUM_DEVICES configuration option is obsolete since RTEMS 5.1" +#endif + #ifdef CONFIGURE_ENABLE_GO #warning "The CONFIGURE_ENABLE_GO configuration option is obsolete since RTEMS 5.1" #endif |