AFTER_VECTORS void ResetISR(void) {
unsigned int LoadAddr, ExeAddr, SectionLen;
unsigned int *SectionTableAddr;
SectionTableAddr = &__data_section_table;
while (SectionTableAddr < &__data_section_table_end) {
LoadAddr = *SectionTableAddr++;
ExeAddr = *SectionTableAddr++;
SectionLen = *SectionTableAddr++;
data_init(LoadAddr, ExeAddr, SectionLen);
}
while (SectionTableAddr < &__bss_section_table_end) {
ExeAddr = *SectionTableAddr++;
SectionLen = *SectionTableAddr++;
bss_init(ExeAddr, SectionLen);
}
SystemInit();
if (pre_main) { // give control to the RTOS
software_init_hook(); // this will also call __libc_init_array
}
else { // for BareMetal (non-RTOS) build
__libc_init_array();
main();
}
while (1) {;}
}
/* Pintos main program. */
int
main (void)
{
char **argv;
/* Clear BSS. */
bss_init ();
/* Break command line into arguments and parse options. */
argv = read_command_line ();
argv = parse_options (argv);
/* Initialize ourselves as a thread so we can use locks,
then enable console locking. */
thread_init ();
console_init ();
/* Greet user. */
printf ("Pintos booting with %'"PRIu32" kB RAM...\n",
init_ram_pages * PGSIZE / 1024);
/* Initialize memory system. */
palloc_init (user_page_limit);
malloc_init ();
paging_init ();
<<<<<<< HEAD
Reset_Handler(void)
{
// Use Old Style Data and BSS section initialisation,
// That will initialise a single BSS sections.
// Zero fill the bss segment
bss_init(&__bss_start__, &__bss_end__);
// Call the standard library initialisation (mandatory, SystemInit()
// and C++ static constructors are called from here).
__libc_init_array();
// Call the main entry point, and save the exit code.
int r = main();
// Run the static destructors.
__libc_fini_array();
// On test platforms, like semi-hosting, this can be used to inform
// the host on the test result.
// On embedded platforms, usually reset the processor.
_exit(r);
}
AFTER_VECTORS void ResetISR(void) {
unsigned int LoadAddr, ExeAddr, SectionLen;
unsigned int *SectionTableAddr;
// Data Init
SectionTableAddr = &__data_section_table;
while (SectionTableAddr < &__data_section_table_end) {
LoadAddr = *SectionTableAddr++;
ExeAddr = *SectionTableAddr++;
SectionLen = *SectionTableAddr++;
data_init(LoadAddr, ExeAddr, SectionLen);
}
// BSS Init
while (SectionTableAddr < &__bss_section_table_end) {
ExeAddr = *SectionTableAddr++;
SectionLen = *SectionTableAddr++;
bss_init(ExeAddr, SectionLen);
}
SystemInit();
if (software_init_hook) // give control to the RTOS
software_init_hook(); // this will also call __libc_init_array
else {
__libc_init_array();
main();
}
while (1) {;}
}
AFTER_VECTORS void ResetISR(void) {
unsigned int LoadAddr, ExeAddr, SectionLen;
unsigned int *SectionTableAddr;
SectionTableAddr = &__data_section_table;
while (SectionTableAddr < &__data_section_table_end) {
LoadAddr = *SectionTableAddr++;
ExeAddr = *SectionTableAddr++;
SectionLen = *SectionTableAddr++;
data_init(LoadAddr, ExeAddr, SectionLen);
}
while (SectionTableAddr < &__bss_section_table_end) {
ExeAddr = *SectionTableAddr++;
SectionLen = *SectionTableAddr++;
bss_init(ExeAddr, SectionLen);
}
SystemInit();
if (software_init_hook)
software_init_hook();
else {
__libc_init_array();
main();
}
while (1) {;}
}
static void isr_reset(void)
{
// remove compiler warning
(void)g_pfnVectors;
/**
* The hyperload bootloader sets the MSP/PSP upon a true reset, which is when the
* LPC17xx (Cortex-M3) sets the values of the stack pointer. But since we are
* booting after a bootloader, we have to manually setup the stack pointers ourselves.
*/
do {
const uint32_t topOfStack = (uint32_t) &_vStackTop;
__set_PSP(topOfStack);
__set_MSP(topOfStack);
} while(0);
do {
// Copy data from FLASH to RAM
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);
}
} while (0) ;
#if defined (__cplusplus)
__libc_init_array(); // Call C++ library initialization
#endif
do {
low_level_init(); // Initialize minimal system, such as Clock & UART
high_level_init(); // Initialize high level board specific features
main(); // Finally call main()
} while(0);
// In case main() exits:
uart0_init(SYS_CFG_UART0_BPS);
u0_dbg_put("main() should never exit on this system\n");
while (1) {
;
}
}
void operator()(){
// enable RAM banks that may be off by default at reset
volatile unsigned int *SYSCON_SYSAHBCLKCTRL = (unsigned int *) 0x40048080;
// Ensure that RAM1(26) and USBSRAM(27) bits in SYSAHBCLKCTRL are set
*SYSCON_SYSAHBCLKCTRL |= (1 << 26) | (1 <<27);
// 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);
}
}
int sdb_untrim( sdb_table_t *tbl) {
if( tbl->bss_ctx) return SDB_EBADSTATE; else {
bss_ctx_t *bss = BS_MEM_ALLOC( sizeof( *bss));
if( ! bss) return SDB_EMEM;
bss_init( bss, sdb_bss_writer, tbl);
bss->supports_chunks = 0; // Stagedb can't currently handle chunked data
tbl->bss_ctx = bss;
return SDB_EOK;
}
}
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);
}
#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) {
;
}
}
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);
}
low_level_init();
main();
//
// main() shouldn't return, but if it does, we'll just enter an infinite loop
//
while (1) ;
}
void secure_task(void)
{
unsigned *pcommand =
(unsigned *)(&(secure_task_share_mem[TASK_COMMAND_OFFSET]));
unsigned *response =
(unsigned *)(&(secure_task_share_mem[TASK_RESPONSE_OFFSET]));
unsigned command;
struct resume_param *presume;
unsigned int state;
/*init bss */
bss_init();
dbg_prints("secure task start!\n");
/* suspend pwr ops init*/
suspend_pwr_ops_init();
*pcommand = 0;
while (1) {
/* do secure task process */
command = *pcommand;
if (command) {
dbg_print("process command ", command);
if (command == SEC_TASK_GET_WAKEUP_SRC) {
state = *(pcommand+1);
suspend_get_wakeup_source(
(void *)response, state);
} else if (command == COMMAND_SUSPEND_ENTER) {
state = *(pcommand+1);
enter_suspend(state);
*pcommand = 0;
*response = RESPONSE_SUSPEND_LEAVE;
presume = (struct resume_param *)(response+1);
presume->method = resume_data.method;
}
}
__switch_back_highmb();
}
}
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);
}
// Patch the AEABI integer divide functions to use MCU's romdivide library
#ifdef __USE_ROMDIVIDE
// Get address of Integer division routines function table in ROM
unsigned int *div_ptr = (unsigned int *)((unsigned int *)*(PTR_ROM_DRIVER_TABLE))[4];
// Get addresses of integer divide routines in ROM
// These address are then used by the code in aeabi_romdiv_patch.s
pDivRom_idiv = (unsigned int *)div_ptr[0];
pDivRom_uidiv = (unsigned int *)div_ptr[1];
#endif
#if defined (__USE_CMSIS) || defined (__USE_LPCOPEN)
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) {
;
}
}
//*****************************************************************************
// Reset entry point for your code.
// Sets up a simple runtime environment and initializes the C/C++
// library.
//
//*****************************************************************************
void ResetISR(void) {
// *************************************************************
// The following conditional block of code manually resets as
// much of the peripheral set of the LPC43 as possible. This is
// done because the LPC43 does not provide a means of triggering
// a full system reset under debugger control, which can cause
// problems in certain circumstances when debugging.
//
// You can prevent this code block being included if you require
// (for example when creating a final executable which you will
// not debug) by setting the define 'DONT_RESET_ON_RESTART'.
//
#ifndef DONT_RESET_ON_RESTART
// Disable interrupts
__asm volatile ("cpsid i");
// equivalent to CMSIS '__disable_irq()' function
unsigned int *RESET_CONTROL = (unsigned int *) 0x40053100;
// LPC_RGU->RESET_CTRL0 @ 0x40053100
// LPC_RGU->RESET_CTRL1 @ 0x40053104
// 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.
// Write to LPC_RGU->RESET_CTRL0
*(RESET_CONTROL + 0) = 0x10DF1000;
// GPIO_RST|AES_RST|ETHERNET_RST|SDIO_RST|DMA_RST|
// USB1_RST|USB0_RST|LCD_RST|M0_SUB_RST
// Write to LPC_RGU->RESET_CTRL1
*(RESET_CONTROL + 1) = 0x01DFF7FF;
// M0APP_RST|CAN0_RST|CAN1_RST|I2S_RST|SSP1_RST|SSP0_RST|
// I2C1_RST|I2C0_RST|UART3_RST|UART1_RST|UART1_RST|UART0_RST|
// DAC_RST|ADC1_RST|ADC0_RST|QEI_RST|MOTOCONPWM_RST|SCT_RST|
// RITIMER_RST|TIMER3_RST|TIMER2_RST|TIMER1_RST|TIMER0_RST
// Clear all pending interrupts in the NVIC
volatile unsigned int *NVIC_ICPR = (unsigned int *) 0xE000E280;
unsigned int irqpendloop;
for (irqpendloop = 0; irqpendloop < 8; irqpendloop++) {
*(NVIC_ICPR + irqpendloop) = 0xFFFFFFFF;
}
// Reenable interrupts
__asm volatile ("cpsie i");
// equivalent to CMSIS '__enable_irq()' function
#endif // ifndef DONT_RESET_ON_RESTART
// *************************************************************
#if defined (__USE_LPCOPEN)
SystemInit();
#endif
//
// 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 (__USE_LPCOPEN)
// LPCOpen init code deals with FP and VTOR initialisation
#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)
*/
// CPACR is located at address 0xE000ED88
asm("LDR.W R0, =0xE000ED88");
// Read CPACR
asm("LDR R1, [R0]");
// Set bits 20-23 to enable CP10 and CP11 coprocessors
asm(" ORR R1, R1, #(0xF << 20)");
// Write back the modified value to the CPACR
asm("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;
}
#endif
#if defined (__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) {
;
}
}
void
ResetISR(void) {
// Optionally enable RAM banks that may be off by default at reset
#if !defined (DONT_ENABLE_DISABLED_RAMBANKS)
volatile unsigned int *SYSCON_SYSAHBCLKCTRL = (unsigned int *) 0x40048080;
// Ensure that RAM1(26) and USBSRAM(27) bits in SYSAHBCLKCTRL are set
*SYSCON_SYSAHBCLKCTRL |= (1 << 26) | (1 <<27);
#endif
//
// 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);
}
// Patch the AEABI integer divide functions to use MCU's romdivide library
#ifdef __USE_ROMDIVIDE
// Get address of Integer division routines function table in ROM
unsigned int *div_ptr = (unsigned int *)((unsigned int *)*(PTR_ROM_DRIVER_TABLE))[4];
// Get addresses of integer divide routines in ROM
// These address are then used by the code in aeabi_romdiv_patch.s
pDivRom_idiv = (unsigned int *)div_ptr[0];
pDivRom_uidiv = (unsigned int *)div_ptr[1];
#endif
#if defined (__USE_CMSIS) || defined (__USE_LPCOPEN)
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) {
;
}
}
void ResetISR(void)
{
// remove warning
(void)g_pfnVectors;
#ifndef USE_OLD_STYLE_DATA_BSS_INIT
//
// 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);
}
#else
// Use Old Style Data and BSS section initialization.
// This will only initialize a single RAM bank.
unsigned int * LoadAddr, *ExeAddr, *EndAddr, SectionLen;
// Copy the data segment from flash to SRAM.
LoadAddr = &_etext;
ExeAddr = &_data;
EndAddr = &_edata;
SectionLen = (void*)EndAddr - (void*)ExeAddr;
data_init((unsigned int)LoadAddr, (unsigned int)ExeAddr, SectionLen);
// Zero fill the bss segment
ExeAddr = &_bss;
EndAddr = &_ebss;
SectionLen = (void*)EndAddr - (void*)ExeAddr;
bss_init ((unsigned int)ExeAddr, SectionLen);
#endif
#if defined (__cplusplus)
//
// Call C++ library initialization
//
__libc_init_array();
#endif
// Functions defined externally to this file:
extern void lowLevelInitialize(void);
extern void highLevelInitialize(void);
extern int main();
lowLevelInitialize(); // Initialize minimal system, such as Clock & UART
highLevelInitialize(); // Initialize any user desired items
int exit_code = main(); // Finally call main()
// In case main() exits:
uart0Init(UART0_DEFAULT_RATE_BPS, (getCpuClock() / 4));
stdio_SetOutputCharFunction(uart0Putchar);
stdio_SetInputCharFunction(uart0Getchar);
printf("main() exited with return code %i\n", exit_code);
printf("main() should never exit on an Embedded System\n");
while (1)
;
}
void
ResetISR(void) {
#ifndef USE_OLD_STYLE_DATA_BSS_INIT
//
// 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);
}
#else
// Use Old Style Data and BSS section initialization.
// This will only initialize a single RAM bank.
unsigned int * LoadAddr, *ExeAddr, *EndAddr, SectionLen;
// Copy the data segment from flash to SRAM.
LoadAddr = &_etext;
ExeAddr = &_data;
EndAddr = &_edata;
SectionLen = (void*)EndAddr - (void*)ExeAddr;
data_init((unsigned int)LoadAddr, (unsigned int)ExeAddr, SectionLen);
// Zero fill the bss segment
ExeAddr = &_bss;
EndAddr = &_ebss;
SectionLen = (void*)EndAddr - (void*)ExeAddr;
bss_init ((unsigned int)ExeAddr, SectionLen);
#endif
#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)
*/
// asm(".syntax unified");
// CPACR is located at address 0xE000ED88
asm("LDR.W R0, =0xE000ED88");
// Read CPACR
asm("LDR R1, [R0]");
// Set bits 20-23 to enable CP10 and CP11 coprocessors
asm(" ORR R1, R1, #(0xF << 20)");
// Write back the modified value to the CPACR
asm("STR R1, [R0]");
// asm(".syntax divided");
#endif // (__VFP_FP__) && !(__SOFTFP__)
#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) {
;
}
}
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);
}
// Optionally enable Cortex-M3 SWV trace (off by default at reset)
// Note - your board support must also set up the switch matrix
// so that SWO is output on the appropriate pin for your hardware
#if !defined (DONT_ENABLE_SWVTRACECLK)
// Write 0x00000001 to TRACECLKDIV – Trace divider
volatile unsigned int *TRACECLKDIV = (unsigned int *) 0x400740D8;
*TRACECLKDIV = 1;
#endif
#if defined (__USE_CMSIS) || defined (__USE_LPCOPEN)
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) {
;
}
}
//*****************************************************************************
// Reset entry point for your code.
// Sets up a simple runtime environment and initializes the C/C++
// library.
//
//*****************************************************************************
void
ResetISR(void) {
// ******************************
// Modify CREG->M0APPMAP so that M0 looks in correct place
// for its vector table when an exception is triggered.
// 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 *pCREG_M0APPMAP = (unsigned int *) 0x40043404;
// CMSIS : CREG->M0APPMAP = <address of vector table>
*pCREG_M0APPMAP = (unsigned int)g_pfnVectors;
//
// 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);
}
// **********************************************************
// No need to call SystemInit() here, as master CM4 cpu will
// have done the main system set up before enabling CM0.
// **********************************************************
#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) {
;
}
}
void Reset_Handler(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 STARTUP_DELAY
volatile unsigned int i;
for(i=0; i<STARTUP_DELAY; i++);
#endif
// Set clock mode, DEFAULT_CLOCK is defined in config.h, and the default behaviour
// is to set the clock to 72MHz from the external crystal. Using defines here to
// reduce code space
#if DEFAULT_CLOCK == XTAL
ClockModeXTAL();
#elif DEFAULT_CLOCK == IRC72
ClockModeIRC72();
#elif DEFAULT_CLOCK == IRC12
ClockModeIRC12();
#endif
LPC_SYSCON->SYSAHBCLKDIV = 1;
LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 6) | (1 << 16);
// Set all pins to digital inputs (except P0[0] which is the reset button)
#if PORT_STARTUP_INIT
Port0Init(ALL & ~PIN0);
Port1Init(ALL);
#endif
// Initialise and start the system tick timer if allowed by the SYSTICK_EN
// definition in config.h, if the system tick timer is running, then the Delay()
// function will use it, otherwise Delay() will use a fixed loop which is not
// accurate when there are interrupts running, as any interrupt would stop the
// loop and cuase the delay to be longer than expected
#if SYSTICK_EN && SYSTICK_STARTUP
SysTickInit();
#endif
// Run the user-supplied setup() function if it exists
if(setup) {
setup();
}
// Run the user-supplied main() function if it exists
if(main) {
main();
}
// Loop the user-supplied setup() function if it exists
if(loop) {
while(1) loop();
}
// Do nothing (except handle interrupts)
while(1);
}
void
ResetISR(void) {
#ifndef USE_OLD_STYLE_DATA_BSS_INIT
//
// 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);
}
#else
// Use Old Style Data and BSS section initialization.
// This will only initialize a single RAM bank.
unsigned int * LoadAddr, *ExeAddr, *EndAddr, SectionLen;
// Copy the data segment from flash to SRAM.
LoadAddr = &_etext;
ExeAddr = &_data;
EndAddr = &_edata;
SectionLen = (void*)EndAddr - (void*)ExeAddr;
data_init((unsigned int)LoadAddr, (unsigned int)ExeAddr, SectionLen);
// Zero fill the bss segment
ExeAddr = &_bss;
EndAddr = &_ebss;
SectionLen = (void*)EndAddr - (void*)ExeAddr;
bss_init ((unsigned int)ExeAddr, SectionLen);
#endif
#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) {
;
}
}
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 (__USE_LPCOPEN)
// LPCOpen init code deals with FP and VTOR initialisation
#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)
*/
// CPACR is located at address 0xE000ED88
asm("LDR.W R0, =0xE000ED88");
// Read CPACR
asm("LDR R1, [R0]");
// Set bits 20-23 to enable CP10 and CP11 coprocessors
asm(" ORR R1, R1, #(0xF << 20)");
// Write back the modified value to the CPACR
asm("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;
}
#endif
#if defined (__USE_CMSIS) || defined (__USE_LPCOPEN)
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) {
;
}
}
