Diff: targets/cmsis/TARGET_NXP/TARGET_LPC43XX/TOOLCHAIN_GCC_CR/startup_LPC43xx.cpp

Revision:

20:4263a77256ae

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_NXP/TARGET_LPC43XX/TOOLCHAIN_GCC_CR/startup_LPC43xx.cpp	Tue Sep 10 15:14:19 2013 +0300
@@ -0,0 +1,445 @@
+// *****************************************************************************
+//   +--+
+//   | ++----+
+//   +-++    |
+//     |     |
+//   +-+--+  |
+//   | +--+--+
+//   +----+    Copyright (c) 2011-12 Code Red Technologies Ltd.
+//
+// LPC43xx Microcontroller Startup code for use with Red Suite
+//
+// Version : 120430
+//
+// 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 "LPC43xx.h"
+//#endif
+
+#if defined(OS_UCOS_III)
+extern void OS_CPU_PendSVHandler(void);
+extern void OS_CPU_SysTickHandler (void);
+#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 DAC_IRQHandler(void) ALIAS(IntDefaultHandler);
+void MX_CORE_IRQHandler(void) ALIAS(IntDefaultHandler);
+void DMA_IRQHandler(void) ALIAS(IntDefaultHandler);
+void FLASHEEPROM_IRQHandler(void) ALIAS(IntDefaultHandler);
+void ETH_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SDIO_IRQHandler(void) ALIAS(IntDefaultHandler);
+void LCD_IRQHandler(void) ALIAS(IntDefaultHandler);
+void USB0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void USB1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SCT_IRQHandler(void) ALIAS(IntDefaultHandler);
+void RIT_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 MCPWM_IRQHandler(void) ALIAS(IntDefaultHandler);
+void ADC0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void I2C0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void I2C1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SPI_IRQHandler (void) ALIAS(IntDefaultHandler);
+void ADC1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SSP0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SSP1_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 I2S0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void I2S1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SPIFI_IRQHandler(void) ALIAS(IntDefaultHandler);
+void SGPIO_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO2_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO3_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO4_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO5_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO6_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GPIO7_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GINT0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void GINT1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void EVRT_IRQHandler(void) ALIAS(IntDefaultHandler);
+void CAN1_IRQHandler(void) ALIAS(IntDefaultHandler);
+void ATIMER_IRQHandler(void) ALIAS(IntDefaultHandler);
+void RTC_IRQHandler(void) ALIAS(IntDefaultHandler);
+void WDT_IRQHandler(void) ALIAS(IntDefaultHandler);
+void CAN0_IRQHandler(void) ALIAS(IntDefaultHandler);
+void QEI_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);
+
+// *****************************************************************************
+//
+// Application can define Stack size (If not defined, default stack size will
+// used
+//
+// *****************************************************************************
+#ifndef STACK_SIZE
+#define STACK_SIZE  (0x200)
+#endif
+
+// *****************************************************************************
+//
+// Application can define Heap size (If not defined, default Heap size will
+// used
+//
+// *****************************************************************************
+#ifndef HEAP_SIZE
+#define HEAP_SIZE   (0x4000)
+#endif
+
+unsigned int __vStack[STACK_SIZE / sizeof(unsigned int)]  __attribute__((section("STACK,\"aw\",%nobits@")));
+unsigned int __vHeap[HEAP_SIZE / sizeof(unsigned int)]  __attribute__((section("HEAP,\"aw\",%nobits@")));
+
+// *****************************************************************************
+#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 - CM4/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
+#if defined(OS_UCOS_III)
+    OS_CPU_PendSVHandler,           // uCOS-III PendSV handler
+    OS_CPU_SysTickHandler,          // uCOS-III SysTick handler
+#else
+	PendSV_Handler,					// The PendSV handler
+	SysTick_Handler,				// The SysTick handler
+#endif
+
+	// Chip Level - LPC18xx/43xx
+	DAC_IRQHandler,					// 16 D/A Converter
+	MX_CORE_IRQHandler,				// 17 CortexM4/M0 (LPC43XX ONLY)
+	DMA_IRQHandler,					// 18 General Purpose DMA
+	0,								// 19 Reserved
+	FLASHEEPROM_IRQHandler,			// 20 ORed flash Bank A, flash Bank B, EEPROM interrupts
+	ETH_IRQHandler,					// 21 Ethernet
+	SDIO_IRQHandler,				// 22 SD/MMC
+	LCD_IRQHandler,					// 23 LCD
+	USB0_IRQHandler,				// 24 USB0
+	USB1_IRQHandler,				// 25 USB1
+	SCT_IRQHandler,					// 26 State Configurable Timer
+	RIT_IRQHandler,					// 27 Repetitive Interrupt Timer
+	TIMER0_IRQHandler,				// 28 Timer0
+	TIMER1_IRQHandler,				// 29 Timer 1
+	TIMER2_IRQHandler,				// 30 Timer 2
+	TIMER3_IRQHandler,				// 31 Timer 3
+	MCPWM_IRQHandler,				// 32 Motor Control PWM
+	ADC0_IRQHandler,				// 33 A/D Converter 0
+	I2C0_IRQHandler,				// 34 I2C0
+	I2C1_IRQHandler,				// 35 I2C1
+	SPI_IRQHandler,					// 36 SPI (LPC43XX ONLY)
+	ADC1_IRQHandler,				// 37 A/D Converter 1
+	SSP0_IRQHandler,				// 38 SSP0 
+	SSP1_IRQHandler,				// 39 SSP1
+	UART0_IRQHandler,				// 40 UART0
+	UART1_IRQHandler,				// 41 UART1
+	UART2_IRQHandler,				// 42 UART2
+	UART3_IRQHandler,				// 43 USRT3
+	I2S0_IRQHandler,				// 44 I2S0
+	I2S1_IRQHandler,				// 45 I2S1
+	SPIFI_IRQHandler,				// 46 SPI Flash Interface
+	SGPIO_IRQHandler,				// 47 SGPIO (LPC43XX ONLY)
+	GPIO0_IRQHandler,				// 48 GPIO0
+	GPIO1_IRQHandler,				// 49 GPIO1
+	GPIO2_IRQHandler,				// 50 GPIO2
+	GPIO3_IRQHandler,				// 51 GPIO3 
+	GPIO4_IRQHandler,				// 52 GPIO4
+	GPIO5_IRQHandler,				// 53 GPIO5
+	GPIO6_IRQHandler,				// 54 GPIO6
+	GPIO7_IRQHandler,				// 55 GPIO7
+	GINT0_IRQHandler,				// 56 GINT0
+	GINT1_IRQHandler,				// 57 GINT1
+	EVRT_IRQHandler,				// 58 Event Router
+	CAN1_IRQHandler,				// 59 C_CAN1
+	0,								// 60 Reserved
+	0,				                // 61 Reserved 
+	ATIMER_IRQHandler,				// 62 ATIMER
+	RTC_IRQHandler,					// 63 RTC
+	0,								// 64 Reserved
+	WDT_IRQHandler,					// 65 WDT
+	0,								// 66 Reserved
+	CAN0_IRQHandler,				// 67 C_CAN0
+	QEI_IRQHandler,					// 68 QEI
+};
+
+// *****************************************************************************
+// 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.
+//
+// *****************************************************************************
+void
+ResetISR(void) {
+
+	//
+	// Copy the data sections from flash to SRAM.
+	//
+	unsigned int LoadAddr, ExeAddr, SectionLen;
+	unsigned int *SectionTableAddr;
+
+	/* Call SystemInit() for clocking/memory setup prior to scatter load */
+	SystemInit();
+
+	// 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(__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) {}
+}
+
+// *****************************************************************************
+//
+// Heap overflow check function required by REDLib_V2 library
+//
+// *****************************************************************************
+extern unsigned int *_pvHeapStart;
+unsigned int __check_heap_overflow (void * new_end_of_heap)
+{
+	return (new_end_of_heap >= (void *)&__vHeap[HEAP_SIZE/sizeof(unsigned int)]);
+}
+