Import Mbed OS hard-float snapshot

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/fsl_common.c

@@ -0,0 +1,141 @@
+/*
+* Copyright (c) 2015-2016, Freescale Semiconductor, Inc.
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* o Redistributions of source code must retain the above copyright notice, this list
+*   of conditions and the following disclaimer.
+*
+* o Redistributions in binary form must reproduce the above copyright notice, this
+*   list of conditions and the following disclaimer in the documentation and/or
+*   other materials provided with the distribution.
+*
+* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
+*   contributors may be used to endorse or promote products derived from this
+*   software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "fsl_common.h"
+
+/* At least CMSIS 5.7 introduced vector table and define this GCC linker symbol to
+ __Vectors - not valid for many NXP MCU. To fix this, we undefine it if already defined
+ as it comes from a linker */
+#undef __VECTOR_TABLE
+
+void InstallIRQHandler(IRQn_Type irq, uint32_t irqHandler)
+{
+/* Addresses for VECTOR_TABLE and VECTOR_RAM come from the linker file */
+#if defined(__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
+    extern uint32_t Image$$VECTOR_ROM$$Base[];
+    extern uint32_t Image$$VECTOR_RAM$$Base[];
+    extern uint32_t Image$$RW_m_data$$Base[];
+
+#define __VECTOR_TABLE Image$$VECTOR_ROM$$Base
+#define __VECTOR_RAM Image$$VECTOR_RAM$$Base
+#define __RAM_VECTOR_TABLE_SIZE (((uint32_t)Image$$RW_m_data$$Base - (uint32_t)Image$$VECTOR_RAM$$Base))
+#elif defined(__ICCARM__)
+    extern uint32_t __RAM_VECTOR_TABLE_SIZE[];
+    extern uint32_t __VECTOR_TABLE[];
+    extern uint32_t __VECTOR_RAM[];
+#elif defined(__GNUC__)
+    extern uint32_t __VECTOR_TABLE[];
+    extern uint32_t __VECTOR_RAM[];
+    extern uint32_t __RAM_VECTOR_TABLE_SIZE_BYTES[];
+    uint32_t __RAM_VECTOR_TABLE_SIZE = (uint32_t)(__RAM_VECTOR_TABLE_SIZE_BYTES);
+#endif /* defined(__CC_ARM) */
+    uint32_t n;
+    uint32_t interrupts_disabled;
+
+    interrupts_disabled = __get_PRIMASK();
+    __disable_irq();
+    if (SCB->VTOR != (uint32_t)__VECTOR_RAM)
+    {
+        /* Copy the vector table from ROM to RAM */
+        for (n = 0; n < ((uint32_t)__RAM_VECTOR_TABLE_SIZE) / sizeof(uint32_t); n++)
+        {
+            __VECTOR_RAM[n] = __VECTOR_TABLE[n];
+        }
+        /* Point the VTOR to the position of vector table */
+        SCB->VTOR = (uint32_t)__VECTOR_RAM;
+    }
+
+    /* make sure the __VECTOR_RAM is noncachable */
+    __VECTOR_RAM[irq + 16] = irqHandler;
+
+    if (!interrupts_disabled) {
+        __enable_irq();
+    }
+}
+#ifndef CPU_QN908X
+#if (defined(FSL_FEATURE_SOC_SYSCON_COUNT) && (FSL_FEATURE_SOC_SYSCON_COUNT > 0))
+
+void EnableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t index = 0;
+    uint32_t intNumber = (uint32_t)interrupt;
+    while (intNumber >= 32u)
+    {
+        index++;
+        intNumber -= 32u;
+    }
+
+    SYSCON->STARTERSET[index] = 1u << intNumber;
+    EnableIRQ(interrupt); /* also enable interrupt at NVIC */
+}
+
+void DisableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t index = 0;
+    uint32_t intNumber = (uint32_t)interrupt;
+    while (intNumber >= 32u)
+    {
+        index++;
+        intNumber -= 32u;
+    }
+
+    DisableIRQ(interrupt); /* also disable interrupt at NVIC */
+    SYSCON->STARTERCLR[index] = 1u << intNumber;
+}
+#endif /* FSL_FEATURE_SOC_SYSCON_COUNT */
+#else
+void EnableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t index = 0;
+    uint32_t intNumber = (uint32_t)interrupt;
+    while (intNumber >= 32u)
+    {
+        index++;
+        intNumber -= 32u;
+    }
+
+    /*   SYSCON->STARTERSET[index] = 1u << intNumber; */
+    EnableIRQ(interrupt); /* also enable interrupt at NVIC */
+}
+
+void DisableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t index = 0;
+    uint32_t intNumber = (uint32_t)interrupt;
+    while (intNumber >= 32u)
+    {
+        index++;
+        intNumber -= 32u;
+    }
+
+    DisableIRQ(interrupt); /* also disable interrupt at NVIC */
+                           /*   SYSCON->STARTERCLR[index] = 1u << intNumber; */
+}
+#endif /*CPU_QN908X */