rt: add shm type

It adds the shared memory type. This is useful so that the compiler can detect errors when using the operation function with a wrong SHM type Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

rt: add shm type
It adds the shared memory type. This is useful so that the compiler can detect errors when using the operation function with a wrong SHM type Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
c1baa7bd · Federico Vaga · Federico Vaga · 0cb761a7 · c1baa7bd
Commit c1baa7bd authored Dec 05, 2016 by Federico Vaga Committed by Federico Vaga Sep 14, 2017
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Showing with 30 additions and 14 deletions

mockturtle-rt-smem.h rt/mockturtle-rt-smem.h +30 -14

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--- a/rt/mockturtle-rt-smem.h
+++ b/rt/mockturtle-rt-smem.h
@@ -28,15 +28,30 @@
 * @{
 */
+#define TRTL_SMEM_RANGE_ADD 0x10000
+#define TRTL_SMEM_RANGE_SUB 0x20000
+#define TRTL_SMEM_RANGE_SET 0x30000
+#define TRTL_SMEM_RANGE_CLEAR 0x40000
+#define TRTL_SMEM_RANGE_FLIP 0x50000
+#define TRTL_SMEM_RANGE_TEST_AND_SET 0x60000
+/**
+ * List of supported Shared Memory operations
+ */
+enum trtl_smem_type {
+	TRTL_SMEM_TYPE_ADD = 1, /**< Atomic addition */
+	TRTL_SMEM_TYPE_SUB, /**< Atomic subtraction */
+	TRTL_SMEM_TYPE_SET, /**< Atomic bit set */
+	TRTL_SMEM_TYPE_CLR, /**< Atomic bit clear */
+	TRTL_SMEM_TYPE_FLP, /**< Atomic bit flip */
+	TRTL_SMEM_TYPE_TST_SET, /**< Atomic test and set */
+};
 /**
 * It generates the SHM address range for a given SHM operations
 */
-#define SMEM_RANGE_ADD		0x10000
+#define TRTL_SMEM_TYPE_TO_RANGE(_type) ((_type) * 0x10000)
-#define SMEM_RANGE_SUB		0x20000
-#define SMEM_RANGE_SET		0x30000
-#define SMEM_RANGE_CLEAR	0x40000
-#define SMEM_RANGE_FLIP		0x50000
-#define SMEM_RANGE_TEST_AND_SET	0x60000
 /**
@@ -62,9 +77,10 @@
 * @param[in] x second operation argument
 * @param[in] type operation type
 */
-static inline void __smem_atomic_op(volatile int *p, int x, unsigned int type)
+static inline void __smem_atomic_op(volatile int *p, int x,
+				    enum trtl_smem_type type)
 {
-	*(volatile int *)(p + (type >> 2)) = x;
+	*(volatile int *)(p + (TRTL_SMEM_TYPE_TO_RANGE(type) >> 2)) = x;
 }
@@ -78,7 +94,7 @@ static inline void __smem_atomic_op(volatile int *p, int x, unsigned int type)
 */
 static inline void smem_atomic_add(volatile int *p, int x)
 {
-	__smem_atomic_op(p, x, SMEM_RANGE_ADD);
+	__smem_atomic_op(p, x, TRTL_SMEM_RANGE_ADD);
 }
@@ -92,7 +108,7 @@ static inline void smem_atomic_add(volatile int *p, int x)
 */
 static inline void smem_atomic_sub(volatile int *p, int x)
 {
-	__smem_atomic_op(p, x, SMEM_RANGE_SUB);
+	__smem_atomic_op(p, x, TRTL_SMEM_RANGE_SUB);
 }
@@ -106,7 +122,7 @@ static inline void smem_atomic_sub(volatile int *p, int x)
 */
 static inline void smem_atomic_or(volatile int *p, int x)
 {
-	__smem_atomic_op(p, x, SMEM_RANGE_SET);
+	__smem_atomic_op(p, x, TRTL_SMEM_RANGE_SET);
 }
@@ -120,7 +136,7 @@ static inline void smem_atomic_or(volatile int *p, int x)
 */
 static inline void smem_atomic_and_not(volatile int *p, int x)
 {
-	__smem_atomic_op(p, x, SMEM_RANGE_CLEAR);
+	__smem_atomic_op(p, x, TRTL_SMEM_RANGE_CLEAR);
 }
@@ -134,7 +150,7 @@ static inline void smem_atomic_and_not(volatile int *p, int x)
 */
 static inline void smem_atomic_xor(int *p, int x)
 {
-	__smem_atomic_op(p, x, SMEM_RANGE_FLIP);
+	__smem_atomic_op(p, x, TRTL_SMEM_RANGE_FLIP);
 }
@@ -155,7 +171,7 @@ static inline void smem_atomic_xor(int *p, int x)
 static inline int smem_atomic_test_and_set(int *p)
 {
 	/* shift right translates range in bytes into range in words */
-	return *(volatile int *)(p + (SMEM_RANGE_TEST_AND_SET >> 2));
+	return *(volatile int *)(p + (TRTL_SMEM_RANGE_TEST_AND_SET >> 2));
 }
 /**@}*/