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Temporary workaround for GNU GCC issue #36 #113

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merged 1 commit into from
Dec 21, 2023
Merged

Temporary workaround for GNU GCC issue #36 #113

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20 changes: 20 additions & 0 deletions ...sts/programs/custom/pulp_hardware_loop_interrupt_test/pulp_hardware_loop_interrupt_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -216,9 +216,29 @@ __attribute__((interrupt ("machine"))) void u_sw_direct_irq_handler(void) {
"j u_sw_irq_handler\n"
);

#ifdef FPU
#define MSTATUS_FS_INITIAL 0x00002000

void fp_enable ()
{
unsigned int fs = MSTATUS_FS_INITIAL;

asm volatile("csrs mstatus, %0;"
"csrwi fcsr, 0;"
"csrs mstatus, %0;"
: : "r"(fs)
);
}
#endif

int main(int argc, char *argv[]) {
int retval;

#ifdef FPU
// Floating Point enable
fp_enable();
#endif

// Test 1
retval = test1();
if (retval != EXIT_SUCCESS)
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