Rename DummyTCB_t to StaticTCB_t.

[freertos] / FreeRTOS / Demo / CORTEX_M7_SAME70_Xplained_AtmelStudio / src / ASF / sam / utils / fpu / fpu.h

diff --git a/FreeRTOS/Demo/CORTEX_M7_SAME70_Xplained_AtmelStudio/src/ASF/sam/utils/fpu/fpu.h b/FreeRTOS/Demo/CORTEX_M7_SAME70_Xplained_AtmelStudio/src/ASF/sam/utils/fpu/fpu.h
new file mode 100644 (file)
index 0000000..472a745
--- /dev/null
+++ b/FreeRTOS/Demo/CORTEX_M7_SAME70_Xplained_AtmelStudio/src/ASF/sam/utils/fpu/fpu.h
@@ -0,0 +1,94 @@
+/**\r
+ * \file\r
+ *\r
+ * \brief FPU support for SAM.\r
+ *\r
+ * Copyright (c) 2014-2015 Atmel Corporation. All rights reserved.\r
+ *\r
+ * \asf_license_start\r
+ *\r
+ * \page License\r
+ *\r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions are met:\r
+ *\r
+ * 1. Redistributions of source code must retain the above copyright notice,\r
+ *    this list of conditions and the following disclaimer.\r
+ *\r
+ * 2. Redistributions in binary form must reproduce the above copyright notice,\r
+ *    this list of conditions and the following disclaimer in the documentation\r
+ *    and/or other materials provided with the distribution.\r
+ *\r
+ * 3. The name of Atmel may not be used to endorse or promote products derived\r
+ *    from this software without specific prior written permission.\r
+ *\r
+ * 4. This software may only be redistributed and used in connection with an\r
+ *    Atmel microcontroller product.\r
+ *\r
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED\r
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE\r
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR\r
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,\r
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN\r
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r
+ * POSSIBILITY OF SUCH DAMAGE.\r
+ *\r
+ * \asf_license_stop\r
+ *\r
+ */\r
+/*\r
+ * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>\r
+ */\r
+\r
+#ifndef _FPU_H_INCLUDED_\r
+#define _FPU_H_INCLUDED_\r
+\r
+#include <compiler.h>\r
+\r
+/** Address for ARM CPACR */\r
+#define ADDR_CPACR 0xE000ED88\r
+\r
+/** CPACR Register */\r
+#define REG_CPACR  (*((volatile uint32_t *)ADDR_CPACR))\r
+\r
+/**\r
+ * \brief Enable FPU\r
+ */\r
+__always_inline static void fpu_enable(void)\r
+{\r
+       irqflags_t flags;\r
+       flags = cpu_irq_save();\r
+       REG_CPACR |=  (0xFu << 20);\r
+       __DSB();\r
+       __ISB();\r
+       cpu_irq_restore(flags);\r
+}\r
+\r
+/**\r
+ * \brief Disable FPU\r
+ */\r
+__always_inline static void fpu_disable(void)\r
+{\r
+       irqflags_t flags;\r
+       flags = cpu_irq_save();\r
+       REG_CPACR &= ~(0xFu << 20);\r
+       __DSB();\r
+       __ISB();\r
+       cpu_irq_restore(flags);\r
+}\r
+\r
+/**\r
+ * \brief Check if FPU is enabled\r
+ *\r
+ * \return Return ture if FPU is enabled, otherwise return false.\r
+ */\r
+__always_inline static bool fpu_is_enabled(void)\r
+{\r
+       return (REG_CPACR & (0xFu << 20));\r
+}\r
+\r
+#endif /* _FPU_H_INCLUDED_ */\r