Diff: targets/cmsis/TARGET_NXP/TARGET_LPC408X/TOOLCHAIN_GCC_CR/startup_lpc407x_8x.cpp

Revision:

15:4892fe388435

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_NXP/TARGET_LPC408X/TOOLCHAIN_GCC_CR/startup_lpc407x_8x.cpp	Wed Aug 07 16:43:59 2013 +0300
@@ -0,0 +1,433 @@
+//*****************************************************************************
+//   +--+       
+//   | ++----+   
+//   +-++    |  
+//     |     |  
+//   +-+--+  |   
+//   | +--+--+  
+//   +----+    Copyright (c) 2012 Code Red Technologies Ltd.
+//
+// LPC407x_8x Microcontroller Startup code for use with Red Suite
+//
+// Version : 120624
+//
+// Software License Agreement
+// 
+// The software is owned by Code Red Technologies and/or its suppliers, and is 
+// protected under applicable copyright laws.  All rights are reserved.  Any 
+// use in violation of the foregoing restrictions may subject the user to criminal 
+// sanctions under applicable laws, as well as to civil liability for the breach
+// of the terms and conditions of this license.
+// 
+// THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+// USE OF THIS SOFTWARE FOR COMMERCIAL DEVELOPMENT AND/OR EDUCATION IS SUBJECT
+// TO A CURRENT END USER LICENSE AGREEMENT (COMMERCIAL OR EDUCATIONAL) WITH
+// CODE RED TECHNOLOGIES LTD. 
+//
+//*****************************************************************************
+#if defined (__cplusplus)
+#ifdef __REDLIB__
+#error Redlib does not support C++
+#else
+//*****************************************************************************
+//
+// The entry point for the C++ library startup
+//
+//*****************************************************************************
+extern "C" {
+	extern void __libc_init_array(void);
+}
+#endif
+#endif
+
+#define WEAK __attribute__ ((weak))
+#define ALIAS(f) __attribute__ ((weak, alias (#f)))
+
+//#if defined (__USE_CMSIS)
+#include "LPC407x_8x_177x_8x.h"
+//#endif
+
+//*****************************************************************************
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+//*****************************************************************************
+//
+// Forward declaration of the default handlers. These are aliased.
+// When the application defines a handler (with the same name), this will 
+// automatically take precedence over these weak definitions
+//
+//*****************************************************************************
+     void ResetISR(void);
+WEAK void NMI_Handler(void);
+WEAK void HardFault_Handler(void);
+WEAK void MemManage_Handler(void);
+WEAK void BusFault_Handler(void);
+WEAK void UsageFault_Handler(void);
+WEAK void SVC_Handler(void);
+WEAK void DebugMon_Handler(void);
+WEAK void PendSV_Handler(void);
+WEAK void SysTick_Handler(void);
+WEAK void IntDefaultHandler(void);
+
+//*****************************************************************************
+//
+// Forward declaration of the specific IRQ handlers. These are aliased
+// to the IntDefaultHandler, which is a 'forever' loop. When the application
+// defines a handler (with the same name), this will automatically take 
+// precedence over these weak definitions
+//
+//*****************************************************************************
+void WDT_IRQHandler(void) ALIAS(IntDefaultHandler);
+void TIMER0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void TIMER1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void TIMER2_IRQHandler(void) ALIAS(IntDefaultHandler);
+void TIMER3_IRQHandler(void) ALIAS(IntDefaultHandler);
+void UART0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void UART1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void UART2_IRQHandler(void) ALIAS(IntDefaultHandler);
+void UART3_IRQHandler(void) ALIAS(IntDefaultHandler);
+void PWM1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void I2C0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void I2C1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void I2C2_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SPI_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SSP0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SSP1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void PLL0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void RTC_IRQHandler(void) ALIAS(IntDefaultHandler);
+void EINT0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void EINT1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void EINT2_IRQHandler(void) ALIAS(IntDefaultHandler);
+void EINT3_IRQHandler(void) ALIAS(IntDefaultHandler);
+void ADC_IRQHandler(void) ALIAS(IntDefaultHandler);
+void BOD_IRQHandler(void) ALIAS(IntDefaultHandler);
+void USB_IRQHandler(void) ALIAS(IntDefaultHandler);
+void CAN_IRQHandler(void) ALIAS(IntDefaultHandler);
+void DMA_IRQHandler(void) ALIAS(IntDefaultHandler);
+void I2S_IRQHandler(void) ALIAS(IntDefaultHandler);
+void ENET_IRQHandler(void) ALIAS(IntDefaultHandler);
+void RIT_IRQHandler(void) ALIAS(IntDefaultHandler);
+void MCPWM_IRQHandler(void) ALIAS(IntDefaultHandler);
+void QEI_IRQHandler(void) ALIAS(IntDefaultHandler);
+void PLL1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void USBActivity_IRQHandler(void) ALIAS(IntDefaultHandler);
+void CANActivity_IRQHandler(void) ALIAS(IntDefaultHandler);
+void MCI_IRQHandler(void) ALIAS(IntDefaultHandler);
+void UART4_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SSP2_IRQHandler(void) ALIAS(IntDefaultHandler);
+void LCD_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO_IRQHandler(void) ALIAS(IntDefaultHandler);
+void PWM0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void EEPROM_IRQHandler(void) ALIAS(IntDefaultHandler);
+
+//*****************************************************************************
+//
+// The entry point for the application.
+// __main() is the entry point for Redlib based applications
+// main() is the entry point for Newlib based applications
+//
+//*****************************************************************************
+#if defined (__REDLIB__)
+extern void __main(void);
+#endif
+extern int main(void);
+//*****************************************************************************
+//
+// External declaration for the pointer to the stack top from the Linker Script
+//
+//*****************************************************************************
+extern void _vStackTop(void);
+
+//*****************************************************************************
+#if defined (__cplusplus)
+} // extern "C"
+#endif
+//*****************************************************************************
+//
+// The vector table.
+// This relies on the linker script to place at correct location in memory.
+//
+//*****************************************************************************
+extern void (* const g_pfnVectors[])(void);
+__attribute__ ((section(".isr_vector")))
+void (* const g_pfnVectors[])(void) = {
+	// Core Level - CM3
+	&_vStackTop, // The initial stack pointer
+	ResetISR,							// The reset handler
+	NMI_Handler,							// The NMI handler
+	HardFault_Handler,						// The hard fault handler
+	MemManage_Handler,						// The MPU fault handler
+	BusFault_Handler,						// The bus fault handler
+	UsageFault_Handler,						// The usage fault handler
+	0,								// Reserved
+	0,								// Reserved
+	0,								// Reserved
+	0,								// Reserved
+	SVC_Handler,							// SVCall handler
+	DebugMon_Handler,						// Debug monitor handler
+	0,								// Reserved
+	PendSV_Handler,							// The PendSV handler
+	SysTick_Handler,						// The SysTick handler
+
+	// Chip Level - LPC17
+	WDT_IRQHandler,							// 16, 0x40 - WDT
+	TIMER0_IRQHandler,						// 17, 0x44 - TIMER0
+	TIMER1_IRQHandler,						// 18, 0x48 - TIMER1
+	TIMER2_IRQHandler,						// 19, 0x4c - TIMER2
+	TIMER3_IRQHandler,						// 20, 0x50 - TIMER3
+	UART0_IRQHandler,						// 21, 0x54 - UART0
+	UART1_IRQHandler,						// 22, 0x58 - UART1
+	UART2_IRQHandler,						// 23, 0x5c - UART2
+	UART3_IRQHandler,						// 24, 0x60 - UART3
+	PWM1_IRQHandler,						// 25, 0x64 - PWM1
+	I2C0_IRQHandler,						// 26, 0x68 - I2C0
+	I2C1_IRQHandler,						// 27, 0x6c - I2C1
+	I2C2_IRQHandler,						// 28, 0x70 - I2C2
+	IntDefaultHandler,						// 29, Not used
+	SSP0_IRQHandler,						// 30, 0x78 - SSP0
+	SSP1_IRQHandler,						// 31, 0x7c - SSP1
+	PLL0_IRQHandler,						// 32, 0x80 - PLL0 (Main PLL)
+	RTC_IRQHandler,							// 33, 0x84 - RTC
+	EINT0_IRQHandler,						// 34, 0x88 - EINT0
+	EINT1_IRQHandler,						// 35, 0x8c - EINT1
+	EINT2_IRQHandler,						// 36, 0x90 - EINT2
+	EINT3_IRQHandler,						// 37, 0x94 - EINT3
+	ADC_IRQHandler,							// 38, 0x98 - ADC
+	BOD_IRQHandler,							// 39, 0x9c - BOD
+	USB_IRQHandler,							// 40, 0xA0 - USB
+	CAN_IRQHandler,							// 41, 0xa4 - CAN
+	DMA_IRQHandler,							// 42, 0xa8 - GP DMA
+	I2S_IRQHandler,							// 43, 0xac - I2S
+	ENET_IRQHandler,						// 44, 0xb0 - Ethernet
+	MCI_IRQHandler,							// 45, 0xb4 - SD/MMC card I/F
+	MCPWM_IRQHandler,						// 46, 0xb8 - Motor Control PWM
+	QEI_IRQHandler,							// 47, 0xbc - Quadrature Encoder
+	PLL1_IRQHandler,						// 48, 0xc0 - PLL1 (USB PLL)
+	USBActivity_IRQHandler,						// 49, 0xc4 - USB Activity interrupt to wakeup
+	CANActivity_IRQHandler, 					// 50, 0xc8 - CAN Activity interrupt to wakeup
+	UART4_IRQHandler, 						// 51, 0xcc - UART4
+
+	SSP2_IRQHandler, 						// 52, 0xd0 - SSP2
+	LCD_IRQHandler, 						// 53, 0xd4 - LCD
+	GPIO_IRQHandler, 						// 54, 0xd8 - GPIO
+	PWM0_IRQHandler, 						// 55, 0xdc - PWM0
+	EEPROM_IRQHandler, 						// 56, 0xe0 - EEPROM
+
+};
+
+//*****************************************************************************
+// Functions to carry out the initialization of RW and BSS data sections. These
+// are written as separate functions rather than being inlined within the
+// ResetISR() function in order to cope with MCUs with multiple banks of
+// memory.
+//*****************************************************************************
+__attribute__ ((section(".after_vectors")))
+void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
+	unsigned int *pulDest = (unsigned int*) start;
+	unsigned int *pulSrc = (unsigned int*) romstart;
+	unsigned int loop;
+	for (loop = 0; loop < len; loop = loop + 4)
+		*pulDest++ = *pulSrc++;
+}
+
+__attribute__ ((section(".after_vectors")))
+void bss_init(unsigned int start, unsigned int len) {
+	unsigned int *pulDest = (unsigned int*) start;
+	unsigned int loop;
+	for (loop = 0; loop < len; loop = loop + 4)
+		*pulDest++ = 0;
+}
+
+//*****************************************************************************
+// The following symbols are constructs generated by the linker, indicating
+// the location of various points in the "Global Section Table". This table is
+// created by the linker via the Code Red managed linker script mechanism. It
+// contains the load address, execution address and length of each RW data
+// section and the execution and length of each BSS (zero initialized) section.
+//*****************************************************************************
+extern unsigned int __data_section_table;
+extern unsigned int __data_section_table_end;
+extern unsigned int __bss_section_table;
+extern unsigned int __bss_section_table_end;
+
+//*****************************************************************************
+// Reset entry point for your code.
+// Sets up a simple runtime environment and initializes the C/C++
+// library.
+//*****************************************************************************
+__attribute__ ((section(".after_vectors")))
+void
+ResetISR(void) {
+
+    //
+    // Copy the data sections from flash to SRAM.
+    //
+	unsigned int LoadAddr, ExeAddr, SectionLen;
+	unsigned int *SectionTableAddr;
+
+	// Load base address of Global Section Table
+	SectionTableAddr = &__data_section_table;
+
+    // Copy the data sections from flash to SRAM.
+	while (SectionTableAddr < &__data_section_table_end) {
+		LoadAddr = *SectionTableAddr++;
+		ExeAddr = *SectionTableAddr++;
+		SectionLen = *SectionTableAddr++;
+		data_init(LoadAddr, ExeAddr, SectionLen);
+	}
+	// At this point, SectionTableAddr = &__bss_section_table;
+	// Zero fill the bss segment
+	while (SectionTableAddr < &__bss_section_table_end) {
+		ExeAddr = *SectionTableAddr++;
+		SectionLen = *SectionTableAddr++;
+		bss_init(ExeAddr, SectionLen);
+	}
+
+#if defined (__VFP_FP__) && !defined (__SOFTFP__)
+/*
+ * Code to enable the Cortex-M4 FPU only included
+ * if appropriate build options have been selected.
+ * Code taken from Section 7.1, Cortex-M4 TRM (DDI0439C)
+ */	 
+    // Read CPACR (located at address 0xE000ED88)
+    // Set bits 20-23 to enable CP10 and CP11 coprocessors
+    // Write back the modified value to the CPACR
+	asm volatile ("LDR.W R0, =0xE000ED88\n\t"
+                  "LDR R1, [R0]\n\t"
+                  "ORR R1, R1, #(0xF << 20)\n\t"
+                  "STR R1, [R0]");	
+#endif // (__VFP_FP__) && !(__SOFTFP__)
+
+	// Check to see if we are running the code from a non-zero
+    // address (eg RAM, external flash), in which case we need
+    // to modify the VTOR register to tell the CPU that the
+    // vector table is located at a non-0x0 address.
+
+	// Note that we do not use the CMSIS register access mechanism,
+	// as there is no guarantee that the project has been configured
+	// to use CMSIS.
+	unsigned int * pSCB_VTOR = (unsigned int *) 0xE000ED08;
+	if ((unsigned int *)g_pfnVectors!=(unsigned int *) 0x00000000) {
+		// CMSIS : SCB->VTOR = <address of vector table>
+		*pSCB_VTOR = (unsigned int)g_pfnVectors;
+	}
+
+//#ifdef __USE_CMSIS
+	SystemInit();
+//#endif
+
+#if defined (__cplusplus)
+	//
+	// Call C++ library initialisation
+	//
+	__libc_init_array();
+#endif
+
+#if defined (__REDLIB__)
+	// Call the Redlib library, which in turn calls main()
+	__main() ;
+#else
+	main();
+#endif
+
+	//
+	// main() shouldn't return, but if it does, we'll just enter an infinite loop 
+	//
+	while (1) {
+		;
+	}
+}
+
+//*****************************************************************************
+// Default exception handlers. Override the ones here by defining your own
+// handler routines in your application code.
+//*****************************************************************************
+__attribute__ ((section(".after_vectors")))
+void NMI_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void HardFault_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void MemManage_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void BusFault_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void UsageFault_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void SVC_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void DebugMon_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void PendSV_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+__attribute__ ((section(".after_vectors")))
+void SysTick_Handler(void)
+{
+    while(1)
+    {
+    }
+}
+
+//*****************************************************************************
+//
+// Processor ends up here if an unexpected interrupt occurs or a specific
+// handler is not present in the application code.
+//
+//*****************************************************************************
+__attribute__ ((section(".after_vectors")))
+void IntDefaultHandler(void)
+{
+    while(1)
+    {
+    }
+}
+
+#include <stdlib.h>
+
+void *operator new(size_t size)  {return malloc(size);}
+void *operator new[](size_t size){return malloc(size);}
+
+void operator delete(void *p)   {free(p);}
+void operator delete[](void *p) {free(p);}