Changeset 642 for trunk/kernel/syscalls

Timestamp:

Oct 17, 2019, 3:10:47 PM (5 years ago)

Author:

alain

Message:

Introduce two new syscalls : sys_get_thread_info() / sys_fbf()

Location:

trunk/kernel/syscalls

Files:

• shared_include/shared_fbf.h (added)
• shared_include/syscalls_numbers.h (modified) (1 diff)
• sys_fbf.c (added)
• sys_get_thread_info.c (added)
• syscalls.h (modified) (1 diff)

trunk/kernel/syscalls/shared_include/syscalls_numbers.h

@@ -92 +92 @@
     SYS_GET_NB_CORES    = 54,
     SYS_GET_THREAD_INFO = 55,
+    SYS_FBF             = 56,
 
-    SYSCALLS_NR         = 56,
+    SYSCALLS_NR         = 57,
 
 } syscalls_t;

trunk/kernel/syscalls/syscalls.h

@@ -743 +743 @@
 int sys_get_thread_info( thread_info_t * info );
 
+/****************************************************************************************** 
+ * [56] This function implements the non-standard "fbf_get_config", "fbf_read" and
+ * "fbf_write" syscalls, used to access the frame buffer peripheral.
+ ******************************************************************************************
+ * @ operation  : [in] operation type (defined in shared_fbf.h)
+ * @ arg0       : if config : pointer on width   / else : pointer on user buffer  
+ * @ arg1       : if config : pointer on height  / else : number of bytes to move 
+ * @ arg2       : if config : pointer on type    / else : offset in frame buffer
+ * @ return 0 if success / return -1 if illegal argument.
+ *****************************************************************************************/
+int sys_fbf( uint32_t   operation,
+             void     * arg0,
+             void     * arg1,
+             void     * arg2 );
+
 #endif  // _SYSCALLS_H_