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4591 Commits

Author SHA1 Message Date
Sebastien Bourdeauducq badbd72beb manual: update example to use DMA handle API 2017-04-19 11:07:41 +08:00
Sebastien Bourdeauducq e8f7f8ef9c DMA: speed up playback 
Time reduced from 1.53µs to 1.37µs.
 2017-04-19 10:59:12 +08:00
whitequark 41c4de4556 DMA: add API for a much faster replay using handles. 2017-04-18 08:20:12 +00:00
whitequark c6e8d5c901 runtime: allow setting UART log level explicitly. 
This is way more convenient than commenting out parts
of session.rs when debugging.
 2017-04-15 08:27:18 +00:00
whitequark 0531dc45c3 DMA: erase trace before re-recording it. 
Or we could needlessly OOM replacing a large trace.
 2017-04-15 07:48:02 +00:00
whitequark 9dfe9c1248 DMA: improve recording performance. 
This commit moves DMA serialization code to the kernel CPU
(to cope with the existence of rtio_output_wide) and batches
the resulting sequences. This results in less data being transferred
between kernel and comms CPUs (24 octets with one pointer before,
18 octets with no pointers now, for the common case of rtio_output),
but most importantly reduces cache flushes, which now happen
once per 64k octets.

On average, it now takes about 15us to record a single RTIO event
in a DMA trace.

Fixes #712.
 2017-04-15 07:29:52 +00:00
whitequark ea753bed17 runtime: advise to set panic_reboot=1 on panic. 2017-04-15 07:29:36 +00:00
Robert Jördens 534e681d0b pdq2: use 16 bit data, buffered read_mem() 2017-04-13 20:49:46 +02:00
Robert Jördens 90cf11994e spi: style 2017-04-13 13:38:29 +02:00
Robert Jördens 8446cccb4e pdq2: mem_read 2017-04-13 13:38:13 +02:00
whitequark 0b9601f12d artiq_devtool: more robust defaults. 2017-04-13 08:26:48 +00:00
whitequark 3a1fc729cf compiler: refactor type annotations recognizing in kernels. 
The new implementation is much more generic, more robust,
and shares code with the same for syscalls as well as RPCs.

Fixes #713.
 2017-04-13 08:26:10 +00:00
Sebastien Bourdeauducq 99196986c0 conda: use conda-forge and depend on pyqtgraph 0.10.0 (#704) 2017-04-13 00:55:16 +08:00
whitequark 31048f4b6a compiler: fix monomorphization of coerced integer literals. 
Fixes #703.
 2017-04-12 04:11:47 +00:00
Sebastien Bourdeauducq c5cd77f177 manual: add DRTIO intro 2017-04-12 00:43:35 +08:00
Sebastien Bourdeauducq 598533adba manual: add DMA to tutorial 2017-04-12 00:43:09 +08:00
whitequark 296dc3b0c4 artiq_coreboot: allow hot-rebooting the device. 2017-04-11 03:24:24 +00:00
whitequark 1bd4d13391 artiq_compile: make print() write to core log, not an invalid op. 
Fixes #710.
 2017-04-11 03:16:34 +00:00
Robert Jördens 20652ce128 pdq2: align subsequent writes to end 2017-04-09 13:50:19 +02:00
Robert Jördens ed8edf318d sma_spi: undo cri_con 2017-04-08 17:19:35 +02:00
Robert Jördens 78dd4b8614 pdq2: memory write, kernel_invariants 2017-04-08 17:16:19 +02:00
Robert Jördens 16b7f8f50c sma_spi: cri/cd changes 2017-04-08 17:16:19 +02:00
Robert Jördens 1e6e81a19e sma_spi: LVCMOS25 2017-04-08 17:16:19 +02:00
Robert Jördens 0838981bed coredevice.spi: kernel invariants and style 2017-04-08 17:16:19 +02:00
Robert Jördens 555b3c38c1 sma_spi: free up user_sma pins 2017-04-08 17:16:19 +02:00
Robert Jördens 2c7c6143ab sma_spi: add demo target with SPI on four SMA 2017-04-08 17:16:19 +02:00
Robert Jördens f13f6eb7be pdq2: memory write 2017-04-08 17:16:19 +02:00
Robert Jördens b9c61ae2da pdq2: crc/frame register accessors 2017-04-08 17:16:19 +02:00
Robert Jördens 1ce1b7cd71 doc: pdq2 spi backend 2017-04-08 17:16:19 +02:00
Robert Jördens aebbaa339e pdq2: config writes 2017-04-08 17:16:18 +02:00
Sebastien Bourdeauducq f314f8b8f5 relax test_rpc_timing 2017-04-08 22:45:08 +08:00
Sebastien Bourdeauducq c2667debf8 drtio: test replace in RTL simulation 2017-04-06 16:33:59 +08:00
Sebastien Bourdeauducq 729e7b52f0 drtio: collision/replace fixes 2017-04-06 16:33:49 +08:00
Sebastien Bourdeauducq 83d87b5805 drtio: remove outdated comment 2017-04-06 12:45:10 +08:00
Sebastien Bourdeauducq c0100ebc56 rtio: fix indentation 2017-04-06 12:08:13 +08:00
Sebastien Bourdeauducq 207453efcd rtio: add a missing case for collision reporting 2017-04-06 11:28:16 +08:00
whitequark 14ae1cc100 runtime: advance now on DMA replay. 
Fixes #700.
 2017-04-05 18:34:36 +00:00
Sebastien Bourdeauducq 674bf82f3a gateware: add cri_con CSRs to all DMA-capable targets 2017-04-06 01:14:09 +08:00
Sebastien Bourdeauducq 5e3aef45dc drtio: support collision/replace + detect sequence errors at satellite 2017-04-06 01:06:56 +08:00
whitequark 56918fb375 test: re-enable DMA tests as the feature is now stable. 2017-04-05 16:43:22 +00:00
whitequark 17b5388259 gateware: remove one stray CRI arbiter remnant. 2017-04-05 16:38:56 +00:00
whitequark 464202d0aa gateware: connect CRI switch to kernel CPU. 2017-04-05 16:10:53 +00:00
whitequark 47632f81b1 gateware: CRIArbiter -> CRISwitch. 2017-04-05 16:10:39 +00:00
whitequark 391660e545 gateware: simplify the CRI arbiter to use a plain mux. 2017-04-05 15:09:19 +00:00
Sebastien Bourdeauducq 12249dac57 rtio: do not clear asynchronous error flags on RTIO reset 2017-04-03 00:20:30 +08:00
Sebastien Bourdeauducq db3118b916 drtio: use BlindTransfer for error reporting 2017-04-03 00:18:07 +08:00
Sebastien Bourdeauducq 8c414cebc7 drtio: report busy errors 2017-04-03 00:11:08 +08:00
Sebastien Bourdeauducq 008678b741 drtio: add infrastructure for reporting busy/collision errors 2017-04-02 23:45:55 +08:00
Sebastien Bourdeauducq 0a687b7902 drtio: report satellite errors through firmware 2017-04-01 12:18:00 +08:00
whitequark 8b98e1ea6d test: relax test_rpc_timing: rpc_time_mean <2ms → <3ms. 2017-03-31 20:41:47 +00:00