Changeset 714 for soft/giet_vm/giet_kernel/sys_handler.h

Timestamp:

Oct 7, 2015, 12:02:48 PM (9 years ago)

Author:

alain

Message:

Introduce the _sys_fbf_size() function.
Modify the _sys_fbf_alloc() / _sys_fbf_release() functions
to allow all threads of a given vspace to access the frame buffer.
(replace the lock by a multi-threads allocator.

File:

• soft/giet_vm/giet_kernel/sys_handler.h (modified) (5 diffs)

soft/giet_vm/giet_kernel/sys_handler.h

@@ -19 +19 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Define the possible command values for the giet_pthread_control() syscall
+// These define must be synchronized with values in the stdio.c file
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -26 +27 @@
 
 ///////////////////////////////////////////////////////////////////////////////
-// Define the error codes for the thread related syscalls
-///////////////////////////////////////////////////////////////////////////////
-
-#define GIET_SYSCALL_OK                               ( 0 )
-#define GIET_SYSCALL_VSPACE_NOT_FOUND                 (-1 )
-#define GIET_SYSCALL_THREAD_NOT_FOUND                 (-2 )
-#define GIET_SYSCALL_NOT_IN_SAME_VSPACE               (-3 )
-#define GIET_SYSCALL_UNCOHERENT_THREAD_CONTEXT        (-4 )
-#define GIET_SYSCALL_ILLEGAL_THREAD_COMMAND_TYPE      (-5 )
-#define GIET_SYSCALL_CANNOT_LOAD_DATA_SEGMENT         (-6 )
-#define GIET_SYSCALL_THREAD_ALREADY_ACTIVE            (-7 )
-#define GIET_SYSCALL_MAIN_NOT_FOUND                   (-8 )
-#define GIET_SYSCALL_APPLI_CANNOT_BE_KILLED           (-9 )
-#define GIET_SYSCALL_PTHREAD_ARGUMENT_NOT_SUPPORTED   (-10)
-#define GIET_SYSCALL_ILLEGAL_CLUSTER_COORDINATES      (-11)
-#define GIET_SYSCALL_VSEG_NOT_FOUND                   (-12)
-#define GIET_SYSCALL_UNDEFINED_SYSTEM_CALL            (-13)
-#define GIET_SYSCALL_COPROCESSOR_NOT_FOUND            (-14)
-#define GIET_SYSCALL_COPROCESSOR_ILLEGAL_MODE         (-15)
+// Define the error codes for the syscall handlers
+// These define must be synchronized with values in the stdio.c file
+///////////////////////////////////////////////////////////////////////////////
+
+#define SYSCALL_OK                               ( 0 )
+#define SYSCALL_VSPACE_NOT_FOUND                 (-1 )
+#define SYSCALL_THREAD_NOT_FOUND                 (-2 )
+#define SYSCALL_NOT_IN_SAME_VSPACE               (-3 )
+#define SYSCALL_UNCOHERENT_THREAD_CONTEXT        (-4 )
+#define SYSCALL_ILLEGAL_THREAD_COMMAND_TYPE      (-5 )
+#define SYSCALL_CANNOT_LOAD_DATA_SEGMENT         (-6 )
+#define SYSCALL_THREAD_ALREADY_ACTIVE            (-7 )
+#define SYSCALL_MAIN_NOT_FOUND                   (-8 )
+#define SYSCALL_APPLI_CANNOT_BE_KILLED           (-9 )
+#define SYSCALL_PTHREAD_ARGUMENT_NOT_SUPPORTED   (-10)
+#define SYSCALL_ILLEGAL_CLUSTER_COORDINATES      (-11)
+#define SYSCALL_VSEG_NOT_FOUND                   (-12)
+#define SYSCALL_UNDEFINED_SYSTEM_CALL            (-13)
+#define SYSCALL_COPROCESSOR_NOT_FOUND            (-14)
+#define SYSCALL_COPROCESSOR_ILLEGAL_MODE         (-15)
+#define SYSCALL_COPROCESSOR_NON_ALLOCATED        (-16)
+#define SYSCALL_CHANNEL_ALREADY_ALLOCATED        (-17)
+#define SYSCALL_NO_CHANNEL_AVAILABLE             (-18)
+#define SYSCALL_CHANNEL_NON_ALLOCATED            (-19)
+#define SYSCALL_ILLEGAL_XY_ARGUMENTS             (-20)
+#define SYSCALL_OUT_OF_KERNEL_HEAP_MEMORY        (-21)
+#define SYSCALL_ADDRESS_NON_ALIGNED              (-22)
+#define SYSCALL_ADDRESS_NON_USER_ACCESSIBLE      (-23)
+#define SYSCALL_MISSING_INITIALISATION           (-24)
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -123 +134 @@
 extern int _sys_exec_application( char* name );
 
-extern int _sys_applications_status();
+extern int _sys_applications_status( char* name );
 
 /////////////////////////////////////////////////////////////////////////////
@@ -217 +228 @@
 //////////////////////////////////////////////////////////////////////////////
 
+extern int _sys_fbf_size( unsigned int* width,
+                          unsigned int* height );
+
+extern int _sys_fbf_alloc();
+
+extern int _sys_fbf_release();
+
 extern int _sys_fbf_sync_write( unsigned int offset,
                          void*        buffer,
@@ -230 +248 @@
 
 extern int _sys_fbf_cma_init_buf(void*        buf0_vbase, 
-                          void*        buf1_vbase, 
-                          void*        sts0_vaddr,
-                          void*        sts1_vaddr );
+                                 void*        buf1_vbase, 
+                                 void*        sts0_vaddr,
+                                 void*        sts1_vaddr );
 
 extern int _sys_fbf_cma_start( unsigned int length );