Changeset 306 for asp3_wo_tecs/trunk/arch/arm_gcc/common/arm.h

Timestamp:

Jun 27, 2017, 10:53:32 AM (7 years ago)

Author:

ertl-honda

Message:

3.1.0を反映

File:

• asp3_wo_tecs/trunk/arch/arm_gcc/common/arm.h (modified) (4 diffs)

asp3_wo_tecs/trunk/arch/arm_gcc/common/arm.h

@@ -52 +52 @@
  *  ã®è²¬ä»»ã‚’è² ã‚ãªã„ï¼Ž
  * 
- *  $Id: arm.h 523 2016-01-14 11:01:04Z ertl-hiro $
+ *  $Id: arm.h 694 2016-03-23 13:17:48Z ertl-hiro $
  */
 
@@ -127 +127 @@
 #define CP15_SCTLR_VECTOR               UINT_C(0x00002000)
 #define CP15_SCTLR_ICACHE               UINT_C(0x00001000)
+#define CP15_SCTLR_BP                   UINT_C(0x00000800)
 #define CP15_SCTLR_DCACHE               UINT_C(0x00000004)
 #define CP15_SCTLR_MMU                  UINT_C(0x00000001)
@@ -308 +309 @@
 
 /*
+ *  分岐予測をイネーブル
+ */
+Inline void
+arm_enable_bp(void)
+{
+        uint32_t        reg;
+
+        CP15_READ_SCTLR(reg);
+        reg |= CP15_SCTLR_BP;
+        CP15_WRITE_SCTLR(reg);
+}
+
+/*
+ *  分岐予測をディスエーブル
+ */
+Inline void
+arm_disable_bp(void)
+{
+        uint32_t        reg;
+
+        CP15_READ_SCTLR(reg);
+        reg &= ~CP15_SCTLR_BP;
+        CP15_WRITE_SCTLR(reg);
+}
+
+/*
  *  プロセッサ番号の取得
  *
@@ -413 +440 @@
 
 /*
+ *  分岐予測の無効化
+ */
+Inline void
+arm_invalidate_bp(void)
+{
+        CP15_INVALIDATE_BP();
+        data_sync_barrier();
+        inst_sync_barrier();
+}
+
+/*
  *  TLBの無効化
  */