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fpga_spn: add check if input-/ref-data fits into memory

This commit is contained in:
Johannes Wirth 2022-03-10 14:17:52 +01:00
parent 8450f85c93
commit 43e2a299db
2 changed files with 30 additions and 9 deletions
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fpga_spn/raven_spn
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39
fpga_spn/src/raven_spn.cpp
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@ -68,6 +68,17 @@ int main() {
uint32_t step = 100000;
uint32_t iterations = 10;
int in_addr = 0x30000000; // place input samples in the SPI memory
int out_addr = 0x3C000000;
int out_addr2 = 0x3E000000;
spn::mode_reg() = 1;
spn::start_reg() = 1;
wait_for_spn_interrupt();
@ -91,29 +102,39 @@ int main() {
printf("Result Bytes: %d\n", result_bytes);
uint32_t step = 50000;
uint32_t iterations = 2;
uint32_t in_bytes = step * sample_bytes;
uint32_t out_bytes = step * result_bytes;
uint32_t total_in = in_bytes * iterations;
if (total_in > (out_addr - in_addr)) {
printf("ERROR: input data requires %d bytes, only %d bytes available\n", total_in, out_addr - in_addr);
return 1;
}
if (out_bytes > (out_addr2 - out_addr)) {
printf("ERROR: output data requires %d bytes, only %d bytes available\n", out_bytes, out_addr2 - out_addr);
return 1;
}
uint32_t in_beats = (step * sample_bytes) / axi_bytes;
uint32_t in_beats = in_bytes / axi_bytes;
if (in_beats * axi_bytes < step * sample_bytes) in_beats++;
uint32_t out_beats = (step * result_bytes) / axi_bytes;
uint32_t out_beats = out_bytes / axi_bytes;
if (out_beats * axi_bytes < step * result_bytes) out_beats++;
int in_addr = 0x20010000; // place input samples in the SPI memory
int out_addr = 0x20210000;
uint32_t current_in_addr = in_addr;
int fpga_address_in = fpga_alloc(step * sample_bytes + 64);
int fpga_address_out = fpga_alloc(step * result_bytes + 64);
// inject SPN input data
spn_checker::input_addr_reg() = in_addr;
spn_checker::input_addr_reg() = current_in_addr;
spn_checker::num_input_samples_reg() = sample_bytes * step * iterations;
spn_checker::start_data_trans_reg() = 1;
spn_checker::output_addr_reg() = out_addr;
//run_xspn(in_addr, out_addr);
for (int k = 0; k < iterations*step; k+=step) {
fpga_dma(1, fpga_address_in, in_addr, step * sample_bytes);
fpga_dma(1, fpga_address_in, current_in_addr, step * sample_bytes);
run_xspn(fpga_address_in, fpga_address_out, step, in_beats, out_beats);
wait_for_spn_interrupt();
spn::interrupt_reg() = 1;
@ -123,7 +144,7 @@ int main() {
spn_checker::length_reg() = step;
spn_checker::start_result_check_reg() = 1;
in_addr += step * sample_bytes; // 5 bytes in each sample
current_in_addr += step * sample_bytes; // 5 bytes in each sample
}
fpga_free(fpga_address_in);