Changeset 232 for soft/giet_vm/libs

Timestamp:

Mar 5, 2013, 4:00:09 PM (11 years ago)

Author:

meunier

Message:

Ajout du malloc dans le Giet.

Location:

soft/giet_vm/libs

Files:

• stdio.c (modified) (2 diffs)
• stdio.h (modified) (1 diff)

soft/giet_vm/libs/stdio.c

@@ -21 +21 @@
 #define SYSCALL_GCD_WRITE       0x06
 #define SYSCALL_GCD_READ        0x07
-#define SYSCALL_TASK_ID         0x09
+#define SYSCALL_HEAP_INFO       0x08
+#define SYSCALL_PROC_TASK_ID    0x09
+#define SYSCALL_GLOBAL_TASK_ID  0x0A
 #define SYSCALL_CTX_SWITCH      0x0D
 #define SYSCALL_EXIT            0x0E
@@ -742 +744 @@
 
 //////////////////////////////////////////////////////////////////////////////////
-// giet_get_task_id()
-// The user task calling this function is descheduled and
-// the processor is allocated to another task.
-//////////////////////////////////////////////////////////////////////////////////
-unsigned int giet_task_id() {
-    return sys_call(SYSCALL_TASK_ID, 0, 0, 0, 0);
-}
-
+// giet_proc_task_id()
+// This functions returns the local task id, i.e. the processor task id (ranging
+// from 0 to n-1(p) for each processor if p has n tasks)
+//////////////////////////////////////////////////////////////////////////////////
+unsigned int giet_proc_task_id() {
+    return sys_call(SYSCALL_PROC_TASK_ID, 0, 0, 0, 0);
+}
+
+//////////////////////////////////////////////////////////////////////////////////
+// giet_heap_info()
+// This function returns the base address and size of the current task's heap
+//////////////////////////////////////////////////////////////////////////////////
+unsigned int giet_heap_info(unsigned int * vaddr, unsigned int * length) {
+    return sys_call(SYSCALL_HEAP_INFO, (unsigned int) vaddr, (unsigned int) length, 0, 0);
+}
+
+
+//////////////////////////////////////////////////////////////////////////////////
+// giet_global_task_id()
+// This functions returns the global task id, which is unique in all the giet
+//////////////////////////////////////////////////////////////////////////////////
+unsigned int giet_global_task_id() {
+    return sys_call(SYSCALL_GLOBAL_TASK_ID, 0, 0, 0, 0);
+}
 
 // Local Variables:

soft/giet_vm/libs/stdio.h

@@ -50 +50 @@
 unsigned int giet_rand();
 unsigned int giet_context_switch();
-unsigned int giet_task_id();
+unsigned int giet_proc_task_id();
+unsigned int giet_heap_info(unsigned int * vaddr, unsigned int * size);
+unsigned int giet_global_task_id();
+
 unsigned int giet_procnumber();