Changeset 422 for trunk/kernel

Timestamp:

Jan 29, 2018, 5:48:47 PM (7 years ago)

Author:

alain

Message:

cosmetic

Location:

trunk/kernel/devices

Files:

• dev_fbf.c (modified) (1 diff)
• dev_iob.c (modified) (1 diff)
• dev_pic.c (modified) (1 diff)
• dev_txt.c (modified) (1 diff)
• dev_txt.h (modified) (2 diffs)

trunk/kernel/devices/dev_fbf.c

@@ -27 +27 @@
 #include <thread.h>
 #include <printk.h>
+#include <string.h>
 #include <chdev.h>
 #include <dev_fbf.h>

trunk/kernel/devices/dev_iob.c

@@ -28 +28 @@
 #include <chdev.h>
 #include <printk.h>
+#include <string.h>
 #include <hal_drivers.h>
 #include <dev_iob.h>

trunk/kernel/devices/dev_pic.c

@@ -26 +26 @@
 #include <chdev.h>
 #include <printk.h>
+#include <string.h>
 #include <thread.h>
 #include <hal_drivers.h>

trunk/kernel/devices/dev_txt.c

@@ -62 +62 @@
     else        snprintf( txt->name , 16 , "txt%d_tx" , channel );
 
+    // set TXT chdev extension
+    txt->ext.txt.owner_xp = XPTR_NULL;
+    xlist_root_init( XPTR( local_cxy, &txt->ext.txt.root ) );
+    remote_spinlock_init( XPTR( local_cxy , &txt->ext.txt.lock ) );
+    
     // call driver init function
     hal_drivers_txt_init(txt, impl);
 
-    // no server thread and no IRQ routing for TXT0 and IMPL_TXT_RS2 (multiplexed
-    // in software, not hardware)
+    // no server thread and no IRQ routing for TXT0 
+    // no server thread for IMPL_TXT_RS2 (multiplexed in software, not hardware)
     if( channel != 0 && impl != IMPL_TXT_RS2 )
     {

trunk/kernel/devices/dev_txt.h

@@ -27 +27 @@
 #include <kernel_config.h>
 #include <hal_types.h>
+#include <xlist.h>
+#include <remote_spinlock.h>
 
 /****  Forward declarations  ****/
@@ -47 +49 @@
  *   waiting strategy for the calling thread. 
  *****************************************************************************************/
+
+/******************************************************************************************
+ * This defines the (implementation independant) extension for the generic TXT device.
+ *****************************************************************************************/
+
+typedef struct txt_extend_s
+{
+    xptr_t            owner_xp;  /*! ext. pointer on current process owner (reference)   */
+    xlist_entry_t     root;      /*! root of list of processes attached to   same TXT    */
+    remote_spinlock_t lock;      /*! lock protecting this list                           */
+}
+txt_extend_t;
 
 /******************************************************************************************