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[processor_check] extend constructor test case

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stnolting 2025-01-28 21:50:44 +01:00
parent e9a228aa6e
commit d4d565cceb
1 changed files with 21 additions and 7 deletions
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28
sw/example/processor_check/main.c
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@ -80,7 +80,7 @@ volatile uint32_t num_hpm_cnts_global = 0; // global number of available hpms
volatile int vectored_mei_handler_ack = 0; // vectored mei trap handler acknowledge
volatile uint32_t gpio_trap_handler_ack = 0; // gpio trap handler acknowledge
volatile uint32_t hw_brk_mscratch_ok = 0; // set when mepc was correct in trap handler
volatile uint32_t constr_test = 0; // for constructor test
volatile uint32_t dma_src; // dma source & destination data
volatile uint32_t store_access_addr[2]; // variable to test store accesses
@ -88,13 +88,28 @@ volatile uint32_t __attribute__((aligned(4))) pmp_access[2]; // variable to test
volatile uint32_t trap_cnt; // number of triggered traps
volatile uint32_t pmp_num_regions; // number of implemented pmp regions
volatile uint8_t core1_stack[512]; // stack for core1
volatile unsigned char constr_src[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
volatile uint32_t constr_res = 0; // for constructor test
/**********************************************************************//**
* Constructor; should be called before entering main.
* @warning Constructors do not preserve any registers on the stack (issue #1169).
**************************************************************************/
void __attribute__((constructor)) neorv32_constructor() {
constr_test = 0x1234abcdu;
int i;
volatile unsigned char tmp[16];
// do some dummy copying (just to ensure we are using a lot of UNSAVED registers)
for (i=0; i<16; i++) {
tmp[i] = constr_src[i];
}
// simple hash
constr_res = 0;
for (i=0; i<16; i++) {
constr_res = (31 * constr_res) + tmp[i];
}
}
@ -404,13 +419,12 @@ int main() {
// ----------------------------------------------------------
// External memory interface test
// (and iCache block-/word-wise error check)
// External memory interface test (and I-cache block-/word-wise error check)
// ----------------------------------------------------------
neorv32_cpu_csr_write(CSR_MCAUSE, mcause_never_c);
PRINT_STANDARD("[%i] Ext. memory (@0x%x) ", cnt_test, (uint32_t)EXT_MEM_BASE);
if (NEORV32_SYSINFO->SOC & (1 << SYSINFO_SOC_XBUS)) {
if ((NEORV32_SYSINFO->SOC & (1 << SYSINFO_SOC_XBUS)) && (neorv32_cpu_csr_read(CSR_MXISA) & (1 << CSR_MXISA_IS_SIM))) {
cnt_test++;
// clear scratch CSR
@ -1775,7 +1789,7 @@ int main() {
PRINT_STANDARD("[%i] Constructor ", cnt_test);
cnt_test++;
if (constr_test == 0x1234abcdu) { // has constructor been executed?
if (constr_res == 0xb4459108) { // has constructor been executed (correct hash)?
test_ok();
}
else {