run 10000 XSPN samples
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06cc727883
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@ -76,7 +76,7 @@ void platform_init(){
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clear_csr(mie, MIP_MEIP);
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clear_csr(mie, MIP_MTIP);
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for (auto& h:g_ext_interrupt_handlers) h=no_interrupt_handler;
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configure_irq(1, msi_interrupt_handler);
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configure_irq(2, msi_interrupt_handler);
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// Enable interrupts in general.
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set_csr(mstatus, MSTATUS_MIE);
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// Enable the Machine-External bit in MIE
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@ -89,17 +89,14 @@ bool double_equals(double a, double b, double epsilon = 0.001)
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}
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void run_xspn() {
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printf("Start SPN HW accelerator\n");
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spn::mode_reg() = 0;
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spn::input_length_reg() = 100; // each sample consists of 5 uint8 values
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spn::input_addr_reg() = 0x80001000;
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spn::output_addr_reg() = 0x80002000;
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spn::input_addr_reg() = 0x800C0000;
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spn::output_addr_reg() = 0x8001C000;
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spn::num_of_in_beats_reg() = 8; // Number of AXI4 burst beats needed to load all input data
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spn::num_of_out_beats_reg() = 13; // Number of AXI4 burst beats needed to store all result data
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spn::start_reg() = 1;
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delayUS(50);
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printf("Cycle count:%d\n", spn::start_reg());
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spn::interrupt_reg() = 1;
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}
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@ -113,27 +110,26 @@ int main() {
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printf("READOUT HW:0x%x\n", spn::readout_reg());
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spn::interrupt_reg() = 1;
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for (int k = 0; k < 200; k+=100) {
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for (int k = 0; k < 10000; k+=100) {
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// write input samples into the memory
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int * mem_base = (int *) 0x80001000;
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int * mem_base = (int *) 0x800C0000;
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int offset = k * 5;
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for(size_t i = 0, j = 0; j < 125; i += 4, j++) {
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*(mem_base+j) = input_data.at(offset+i);
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*(mem_base+j) |= input_data.at(offset+i+1) << 8;
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*(mem_base+j) |= input_data.at(offset+i+2) << 16;
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*(mem_base+j) |= input_data.at(offset+i+3) << 24;
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*(mem_base+j) |= (input_data.at(offset+i+1) << 8) & 0x0000FF00;
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*(mem_base+j) |= (input_data.at(offset+i+2) << 16) & 0x00FF0000;
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*(mem_base+j) |= (input_data.at(offset+i+3) << 24) & 0xFF000000;
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}
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printf("XSPN process samples %d - %d\n", k, k+100);
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run_xspn();
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// read calculation results from the memory
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double * res_base = (double*) 0x80002000;
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double * res_base = (double*) 0x8001C000;
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for (int i = 0; i < 100; i++) {
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if (double_equals(res_base[i] * ln2, ref_data.at(k+i))) {
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// printf("XSPN ref %d comparison PASSED\n", k+i);
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} else {
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if (!double_equals(res_base[i] * ln2, ref_data.at(k+i))) {
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printf("XSPN ref %d comparison FAILED\n", k+i);
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}
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}
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