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Line 97... |
/**********************************************************************//**
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/**********************************************************************//**
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* Main function; test all available operations of the NEORV32 'Zfinx' extensions using bit floating-point hardware intrinsics and software-only reference functions (emulation).
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* Main function; test all available operations of the NEORV32 'Zfinx' extensions using bit floating-point hardware intrinsics and software-only reference functions (emulation).
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*
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*
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* @note This program requires the Zfinx CPU extension.
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* @note This program requires the Zfinx CPU extension.
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*
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*
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* @return Irrelevant.
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* @return 0 if execution was successful
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**************************************************************************/
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**************************************************************************/
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int main() {
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int main() {
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uint32_t err_cnt = 0;
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uint32_t err_cnt = 0;
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uint32_t err_cnt_total = 0;
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uint32_t err_cnt_total = 0;
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| Line 121... |
Line 121... |
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// check available hardware extensions and compare with compiler flags
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// check available hardware extensions and compare with compiler flags
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neorv32_rte_check_isa(0); // silent = 0 -> show message if isa mismatch
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neorv32_rte_check_isa(0); // silent = 0 -> show message if isa mismatch
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// check if Zfinx extension is implemented at all
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// check if Zfinx extension is implemented at all
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if (neorv32_check_zextension(CSR_MZEXT_ZFINX) == 0) {
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if (neorv32_cpu_check_zext(CSR_MZEXT_ZFINX) == 0) {
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neorv32_uart_print("Error! <Zfinx> extension not synthesized!\n");
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neorv32_uart_print("Error! <Zfinx> extension not synthesized!\n");
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return 0;
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return 1;
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}
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}
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// Disable compilation by default
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// Disable compilation by default
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#ifndef RUN_TEST
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#ifndef RUN_CHECK
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#warning Program HAS NOT BEEN COMPILED! Use >>make USER_FLAGS+=-DRUN_TEST clean_all exe<< to compile it.
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#warning Program HAS NOT BEEN COMPILED! Use >>make USER_FLAGS+=-DRUN_CHECK clean_all exe<< to compile it.
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// inform the user if you are actually executing this
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// inform the user if you are actually executing this
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neorv32_uart_printf("ERROR! Program has not been compiled. Use >>make USER_FLAGS+=-DRUN_TEST clean_all exe<< to compile it.\n");
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neorv32_uart_printf("ERROR! Program has not been compiled. Use >>make USER_FLAGS+=-DRUN_CHECK clean_all exe<< to compile it.\n");
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return 0;
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return 1;
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#endif
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#endif
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// intro
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// intro
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neorv32_uart_printf("<<< Zfinx extension test >>>\n");
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neorv32_uart_printf("<<< Zfinx extension test >>>\n");
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Line 811... |
// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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if (err_cnt_total != 0) {
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if (err_cnt_total != 0) {
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neorv32_uart_printf("\n%c[1m[ZFINX EXTENSION VERIFICATION FAILED!]%c[0m\n", 27, 27);
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neorv32_uart_printf("\n%c[1m[ZFINX EXTENSION VERIFICATION FAILED!]%c[0m\n", 27, 27);
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neorv32_uart_printf("%u errors in %u test cases\n", err_cnt_total, test_cnt*(uint32_t)NUM_TEST_CASES);
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neorv32_uart_printf("%u errors in %u test cases\n", err_cnt_total, test_cnt*(uint32_t)NUM_TEST_CASES);
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return 1;
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}
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}
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else {
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else {
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neorv32_uart_printf("\n%c[1m[Zfinx extension verification successful!]%c[0m\n", 27, 27);
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neorv32_uart_printf("\n%c[1m[Zfinx extension verification successful!]%c[0m\n", 27, 27);
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return 0;
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}
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}
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return 0;
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}
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}
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/**********************************************************************//**
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/**********************************************************************//**
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* Generate 32-bit test data (including special values like INFINITY every now and then).
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* Generate 32-bit test data (including special values like INFINITY every now and then).
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