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artiq/soc/runtime/rtio.h
whitequark 62fdc75d2d Integrate libdyld and libunwind.
It is currently possible to run the idle experiment, and it
can raise and catch exceptions, but exceptions are not yet
propagated across RPC boundaries.
2015-08-02 15:43:03 +03:00

41 lines
1.1 KiB
C

#ifndef __RTIO_H
#define __RTIO_H
#include <generated/csr.h>
#include "artiq_personality.h"
#define RTIO_O_STATUS_FULL 1
#define RTIO_O_STATUS_UNDERFLOW 2
#define RTIO_O_STATUS_SEQUENCE_ERROR 4
#define RTIO_I_STATUS_EMPTY 1
#define RTIO_I_STATUS_OVERFLOW 2
void rtio_init(void);
long long int rtio_get_counter(void);
static inline void rtio_write_and_process_status(long long int timestamp, int channel)
{
int status;
rtio_o_we_write(1);
status = rtio_o_status_read();
if(status) {
if(status & RTIO_O_STATUS_FULL)
while(rtio_o_status_read() & RTIO_O_STATUS_FULL);
if(status & RTIO_O_STATUS_UNDERFLOW) {
rtio_o_underflow_reset_write(1);
artiq_raise_from_c("RTIOUnderflow",
"RTIO underflow at {0}mu, channel {1}, counter {2}",
timestamp, channel, rtio_get_counter());
}
if(status & RTIO_O_STATUS_SEQUENCE_ERROR) {
rtio_o_sequence_error_reset_write(1);
artiq_raise_from_c("RTIOSequenceError",
"RTIO sequence error at {0}mu, channel {1}",
timestamp, channel, 0);
}
}
}
#endif /* __RTIO_H */