Changeset 735 for soft/giet_vm/giet_libs/mwmr_channel.c

Timestamp:

Dec 3, 2015, 4:38:59 PM (9 years ago)

Author:

alain

Message:

Introduce two new arguments "cluster_xy" and "coproc_type"
in the system calls related to hardware coprocessors.

File:

• soft/giet_vm/giet_libs/mwmr_channel.c (modified) (5 diffs)

soft/giet_vm/giet_libs/mwmr_channel.c

@@ -11 +11 @@
 #include "stdint.h"
 #include "user_lock.h"
+
+// macro to use a shared TTY
+#define PRINTF(...)    lock_acquire( &tty_lock ); \
+                       giet_tty_printf(__VA_ARGS__);  \
+                       lock_release( &tty_lock );
+extern user_lock_t tty_lock;
 
 //////////////////////////////////////
@@ -251 +257 @@
 #endif
 
-    uint32_t n;
-    uint32_t spaces; // number of empty slots (in words)
-    uint32_t nwords; // requested transfer length (in words)
-    uint32_t depth;  // channel depth (in words)
-    uint32_t width;  // channel width (in words)
-    uint32_t sts;    // channel sts
-    uint32_t ptw;    // channel ptw
+    uint32_t          n;
+    uint32_t          spaces; // number of empty slots (in words)
+    uint32_t          nwords; // requested transfer length (in words)
+    uint32_t          depth;  // channel depth (in words)
+    uint32_t          width;  // channel width (in words)
+    volatile uint32_t sts;    // channel status
+    volatile uint32_t ptw;    // channel ptw
 
     if (items == 0)  return;
@@ -292 +298 @@
 
             lock_release( &mwmr->lock );
+
             return;
         }
@@ -341 +348 @@
 
     uint32_t n;
-    uint32_t nwords; // requested transfer length (in words)
-    uint32_t depth;  // channel depth (in words)
-    uint32_t width;  // channel width (in words)
-    uint32_t sts;    // channel sts
-    uint32_t ptr;    // channel ptr
+    uint32_t          nwords; // requested transfer length (in words)
+    uint32_t          depth;  // channel depth (in words)
+    uint32_t          width;  // channel width (in words)
+    volatile uint32_t sts;    // channel status
+    volatile uint32_t ptr;    // channel ptr
 
     if (items == 0) return;
@@ -379 +386 @@
 
             lock_release( &mwmr->lock );
+
             return;
         }