Changeset 672 for trunk/kernel/mm/mapper.c

Timestamp:

Nov 19, 2020, 11:49:01 PM (3 years ago)

Author:

alain

Message:

1) Introduce up to 4 command lines arguments in the KSH "load" command.
These arguments are transfered to the user process through the
argc/argv mechanism, using the user space "args" vseg.

2) Introduce the named and anonymous "pipes", for inter-process communication
through the pipe() and mkfifo() syscalls.

3) Introduce the "chat" application to validate the two above mechanisms.

4) Improve printk() and assert() fonctions in printk.c.

File:

• trunk/kernel/mm/mapper.c (modified) (5 diffs)

trunk/kernel/mm/mapper.c

@@ -230 +230 @@
     // - it is a directory mapper
     // - it is a file mapper, and it exist data on IOC device for this page
-    if( (inode == NULL) || (inode_type == INODE_TYPE_DIR) || (inode_size > (page_id << 10) ) )
+    if( (inode == NULL) || (inode_type == FILE_TYPE_DIR) || (inode_size > (page_id << 10) ) )
     {
         error = vfs_fs_move_page( page_xp , IOC_SYNC_READ );
@@ -284 +284 @@
     cxy_t      mapper_cxy = GET_CXY( mapper_xp );
 
-assert( (hal_remote_lpt( XPTR( mapper_cxy , &mapper_ptr->inode ) ) != NULL ),
+assert( __FUNCTION__, (hal_remote_lpt( XPTR( mapper_cxy , &mapper_ptr->inode ) ) != NULL ),
 "should not be used for the FAT mapper");
 
@@ -385 +385 @@
     cxy_t      mapper_cxy = GET_CXY( mapper_xp );
 
-assert( (hal_remote_lpt( XPTR( mapper_cxy , &mapper_ptr->inode ) ) == NULL ),
+assert( __FUNCTION__, (hal_remote_lpt( XPTR( mapper_cxy , &mapper_ptr->inode ) ) == NULL ),
 "should be used for the FAT mapper");
 
@@ -890 +890 @@
     char       name[CONFIG_VFS_MAX_NAME_LENGTH];
 
-assert( (nbytes <= 4096)         , "nbytes cannot be larger than 4096");
-assert( (mapper_xp != XPTR_NULL) , "mapper_xp argument cannot be null");
+assert( __FUNCTION__, (nbytes <= 4096)         , "nbytes cannot be larger than 4096");
+assert( __FUNCTION__, (mapper_xp != XPTR_NULL) , "mapper_xp argument cannot be null");
 
     // get mapper cluster and local pointer
@@ -908 +908 @@
     mapper_t * mapper  = hal_remote_lpt( XPTR( page_cxy , &page_ptr->mapper ) );
 
-assert( (mapper_cxy == page_cxy ) , "mapper and page must be in same cluster");
-assert( (mapper_ptr == mapper   ) , "unconsistent mapper field in page descriptor");
-assert( (page_id    == index    ) , "unconsistent index  field in page descriptor");
+assert( __FUNCTION__, (mapper_cxy == page_cxy ) , "mapper and page must be in same cluster");
+assert( __FUNCTION__, (mapper_ptr == mapper   ) , "unconsistent mapper field in page descriptor");
+assert( __FUNCTION__, (page_id    == index    ) , "unconsistent index  field in page descriptor");
 
     // get inode