//====================================================
// enables/disables cache
//====================================================
void caching(Xuint8 Enable) {
if (Enable) {
/*
* Enable and initialize cache
*/
#if XPAR_MICROBLAZE_0_USE_ICACHE
xil_printf("Enabling and initializing instruction cache\r\n");
microblaze_enable_icache();
#endif
#if XPAR_MICROBLAZE_0_USE_DCACHE
xil_printf("Enabling and initializing data cache\r\n");
microblaze_enable_dcache();
#endif
} else {
#if XPAR_MICROBLAZE_0_USE_DCACHE
xil_printf("Disabling data cache\r\n");
microblaze_disable_dcache();
#endif
#if XPAR_MICROBLAZE_0_USE_ICACHE
xil_printf("Disabling instruction cache\r\n");
microblaze_disable_icache();
#endif
}
}
int main() {
proc_interface_t hwti;
// Get HWTI base address from user PVR register
int hwti_base;
getpvr(1,hwti_base);
// Disable instruction and data cache
microblaze_invalidate_icache();
microblaze_disable_icache();
microblaze_invalidate_dcache();
microblaze_disable_dcache();
// Nano-kernel loop...
while(1) {
// Setup interface
// * Perform this upon each iteration, just in case the memory
// map for the MB-HWTI is corrupted.
initialize_interface(&hwti,(int*)(hwti_base));
#if 0 // Commented out as this is not necessary and it creates the opportunity for a race between reset and start commands
// Wait to be "reset"
// -- NOTE: Ignore reset as it has no meaning to the MB-HWTI
// and it seems causes a race, as the controlling processor
// sends a reset, immediately followed by a "go" command. Therefore
// the "reset" command can be missed.
wait_for_reset_command(&hwti);
#endif
// Wait to be "started"
wait_for_go_command(&hwti);
//xil_printf("Thread started (fcn @ 0x%08x), arg = 0x%08x!!!\r\n",*(hwti.fcn_reg), *(hwti.arg_reg));
// Setup r20 for thread, this can be used to enforce -fPIC (Position-independent code) for the MB
// (r20 is used as part of the GOT, to make things PC-relative)
mtgpr(r20, *(hwti.fcn_reg));
// Boostrap thread (wraps up thread execution with a thread exit)
// * Pull out thread argument, and thread start function
_bootstrap_thread(&hwti, *(hwti.fcn_reg), *(hwti.arg_reg));
}
return 0;
}
void
disable_caches()
{
#ifdef __PPC__
XCache_DisableDCache();
XCache_DisableICache();
#elif __MICROBLAZE__
#ifdef XPAR_MICROBLAZE_USE_DCACHE
#if !XPAR_MICROBLAZE_DCACHE_USE_WRITEBACK
microblaze_invalidate_dcache();
#endif
microblaze_disable_dcache();
#endif
#ifdef XPAR_MICROBLAZE_USE_ICACHE
microblaze_invalidate_icache();
microblaze_disable_icache();
#endif
#endif
}
int main(void)
{
int Status;
/*
* Enable and initialize cache
*/
#if !SIM
#if XPAR_MICROBLAZE_0_USE_ICACHE
microblaze_invalidate_icache();
microblaze_enable_icache();
#endif
#if XPAR_MICROBLAZE_0_USE_DCACHE
microblaze_invalidate_dcache();
microblaze_enable_dcache();
#endif
#endif
XUartNs550_SetBaud(UART_BASEADDR, UART_CLOCK, UART_BAUDRATE);
XUartNs550_SetLineControlReg(UART_BASEADDR, XUN_LCR_8_DATA_BITS);
xil_printf("\n\r********************************************************");
xil_printf("\n\r********************************************************");
xil_printf("\n\r** SP605 - Temac Test **");
xil_printf("\n\r********************************************************");
xil_printf("\n\r********************************************************\r\n");
printf("Setting Temac and DMA\r\n");
printf("\r\n");
/*
* Call the Temac SGDMA interrupt example , specify the parameters generated
* in xparameters.h
*/
Status = TemacSgDmaIntrExample(&IntcInstance,
&TemacInstance,
&DmaInstance,
TEMAC_DEVICE_ID,
TEMAC_IRPT_INTR,
DMA_RX_IRPT_INTR, DMA_TX_IRPT_INTR);
if (Status != XST_SUCCESS) {
TemacUtilErrorTrap("Failure in Examples");
return XST_FAILURE;
}
printf("Received Packet!\r\n");
printf("\r\n");
#if !SIM
#if XPAR_MICROBLAZE_0_USE_DCACHE
microblaze_disable_dcache();
microblaze_invalidate_dcache();
#endif
#if XPAR_MICROBLAZE_0_USE_ICACHE
microblaze_disable_icache();
microblaze_invalidate_icache();
#endif
#endif
return_to_loader();
return 0;
}
int main (void) {
static XIntc intc;
/*
* Enable and initialize cache
*/
#if XPAR_MICROBLAZE_0_USE_ICACHE
microblaze_init_icache_range(0, XPAR_MICROBLAZE_0_CACHE_BYTE_SIZE);
microblaze_enable_icache();
#endif
#if XPAR_MICROBLAZE_0_USE_DCACHE
microblaze_init_dcache_range(0, XPAR_MICROBLAZE_0_DCACHE_BYTE_SIZE);
microblaze_enable_dcache();
#endif
static XEmacLite Ethernet_MAC_EmacLite;
print("-- Entering main() --\r\n");
{
XStatus status;
print("\r\n Runnning IntcSelfTestExample() for xps_intc_0...\r\n");
status = IntcSelfTestExample(XPAR_XPS_INTC_0_DEVICE_ID);
if (status == 0) {
print("IntcSelfTestExample PASSED\r\n");
}
else {
print("IntcSelfTestExample FAILED\r\n");
}
}
{
XStatus Status;
Status = IntcInterruptSetup(&intc, XPAR_XPS_INTC_0_DEVICE_ID);
if (Status == 0) {
print("Intc Interrupt Setup PASSED\r\n");
}
else {
print("Intc Interrupt Setup FAILED\r\n");
}
}
/*
* Peripheral SelfTest will not be run for RS232_Uart_1
* because it has been selected as the STDOUT device
*/
{
Xuint32 status;
print("\r\nRunning GpioOutputExample() for LEDs_8Bit...\r\n");
status = GpioOutputExample(XPAR_LEDS_8BIT_DEVICE_ID,8);
if (status == 0) {
print("GpioOutputExample PASSED.\r\n");
}
else {
print("GpioOutputExample FAILED.\r\n");
}
}
{
XStatus status;
print("\r\nRunning EMACLiteSelfTestExample() for Ethernet_MAC...\r\n");
status = EMACLiteSelfTestExample(XPAR_ETHERNET_MAC_DEVICE_ID);
if (status == 0) {
print("EMACLiteSelfTestExample PASSED\r\n");
}
else {
print("EMACLiteSelfTestExample FAILED\r\n");
}
}
{
XStatus Status;
print("\r\n Running Interrupt Test for Ethernet_MAC...\r\n");
Status = EmacLiteExample(&intc, &Ethernet_MAC_EmacLite, \
XPAR_ETHERNET_MAC_DEVICE_ID, \
XPAR_XPS_INTC_0_ETHERNET_MAC_IP2INTC_IRPT_INTR);
if (Status == 0) {
print("EmacLite Interrupt Test PASSED\r\n");
}
else {
print("EmacLite Interrupt Test FAILED\r\n");
}
}
{
XStatus status;
print("\r\n Running TmrCtrSelfTestExample() for xps_timer_1...\r\n");
status = TmrCtrSelfTestExample(XPAR_XPS_TIMER_1_DEVICE_ID, 0x0);
if (status == 0) {
print("TmrCtrSelfTestExample PASSED\r\n");
}
else {
print("TmrCtrSelfTestExample FAILED\r\n");
}
}
{
XStatus status;
print("\r\nRunning UartLiteSelfTestExample() for debug_module...\r\n");
status = UartLiteSelfTestExample(XPAR_DEBUG_MODULE_DEVICE_ID);
if (status == 0) {
print("UartLiteSelfTestExample PASSED\r\n");
}
else {
print("UartLiteSelfTestExample FAILED\r\n");
}
}
/*
* Disable cache and reinitialize it so that other
* applications can be run with no problems
*/
#if XPAR_MICROBLAZE_0_USE_DCACHE
microblaze_disable_dcache();
microblaze_init_dcache_range(0, XPAR_MICROBLAZE_0_DCACHE_BYTE_SIZE);
#endif
#if XPAR_MICROBLAZE_0_USE_ICACHE
microblaze_disable_icache();
microblaze_init_icache_range(0, XPAR_MICROBLAZE_0_CACHE_BYTE_SIZE);
#endif
print("-- Exiting main() --\r\n");
return 0;
}