Changeset 374 for asp3_tinet_ecnl_arm/trunk/asp3_dcre/arch/arm_gcc/common/arm_insn.h

Timestamp:

Apr 5, 2019, 9:26:53 PM (5 years ago)

Author:

coas-nagasima

Message:

mbed関連を更新
シリアルドライバをmbedのHALを使うよう変更
ファイルディスクリプタの処理を更新

File:

• asp3_tinet_ecnl_arm/trunk/asp3_dcre/arch/arm_gcc/common/arm_insn.h (modified) (3 diffs)

asp3_tinet_ecnl_arm/trunk/asp3_dcre/arch/arm_gcc/common/arm_insn.h

@@ -5 +5 @@
  *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
  *                              Toyohashi Univ. of Technology, JAPAN
- *  Copyright (C) 2006-2017 by Embedded and Real-Time Systems Laboratory
+ *  Copyright (C) 2006-2018 by Embedded and Real-Time Systems Laboratory
  *              Graduate School of Information Science, Nagoya Univ., JAPAN
  * 
@@ -227 +227 @@
 #define CP15_WRITE_ACTLR(reg)   Asm("mcr p15, 0, %0, c1, c0, 1"::"r"(reg))
 
+/* コプロセッサアクセス制御レジスタ */
+#define CP15_READ_CPACR(reg)    Asm("mrc p15, 0, %0, c1, c0, 2":"=r"(reg))
+#define CP15_WRITE_CPACR(reg)   Asm("mcr p15, 0, %0, c1, c0, 2"::"r"(reg))
+
 /*
  *  CP15によるキャッシュ操作マクロ
@@ -421 +425 @@
 
 #endif /* __TARGET_ARCH_ARM == 7 */
+
+/*
+ *  浮動小数点例外制御レジスタ（FPEXC）の現在値の読出し
+ */
+Inline uint32_t
+current_fpexc(void)
+{
+        uint32_t        fpexc;
+
+        Asm("vmrs %0, fpexc" : "=r"(fpexc));
+        return(fpexc);
+}
+
+/*
+ *  浮動小数点例外制御レジスタ（FPEXC）の現在値の変更
+ */
+Inline void
+set_fpexc(uint32_t fpexc)
+{
+        Asm("vmsr fpexc, %0" : : "r"(fpexc));
+}
+
 #endif /* TOPPERS_ARM_INSN_H */