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2017-06-14Add a SMP examplePalmer Dabbelt
This just prints "hello world" on two cores. It contains an example of how to initialize a multi-core system using IPIs, and a simple spin lock.
2017-06-14Call puts instead of printf when printing constantsPalmer Dabbelt
printf doesn't fit in the scratchpad, but since there's really no reason to call it on constant strings it can be replaced with puts. With this change, the "hello" example fits in the scratchpad.
2017-06-14New Freedom Studio Examples (#66)Megan Wachs
* examples ported to ilg build plugin * project cleanup * CoreplexIP-E31 ilg projects * E51FPGA ilg projects * Tested Debug * debug launch files * E31 Debug Launch Files * removed typo project * E51 launch files. Forgotten E31 File * Missing coreplexip files * examples ported to ilg build plugin * project cleanup * CoreplexIP-E31 ilg projects * E51FPGA ilg projects * Tested Debug * debug launch files * E31 Debug Launch Files * removed typo project * E51 launch files. Forgotten E31 File * Missing coreplexip files * starting fresh * HiFive1 demo_gpio and libwrap * hifive1 hello * debug launchers for hello and demo_gpio * hifive1 led_fade * led_fade: Since E300 Arty Dev Kit doesn't have a PRCI, the led_fade demo doesn't really work on it. * update include paths to ease generating stand-alone zips * Adding E51 Examples * E51 demo launch files * E31 Demos * E31 demo launch files
2017-06-13led_fade: make sure the HFROSC is running before you try to use it.mwachs5
2017-06-10We no longer define __riscv64, we define __riscv_xlen=64Palmer Dabbelt
2017-06-09Support the performance counters example on 32-bitPalmer Dabbelt
2017-06-09Mark more boards as unsupportedPalmer Dabbelt
2017-06-08Add a simple regression scriptPalmer Dabbelt
2017-05-05local_interrupts: fix typo in the instructionsMegan Wachs
2017-05-04Update SDK For E31/E51 Coreplex IP EvaluationMegan Wachs
2017-03-01led_fade: Add NO_INIT flag to keep default clock frequency and UART ↵Megan Wachs
configurations.
2017-03-01Add a 'performance counters' demo.Megan Wachs
2017-01-31Move plic_driver code to a common location.Megan Wachs
2017-01-24use relaxed memory model for bitbang demo to avoid unncessary fences in the ↵Megan Wachs
output
2017-01-24Add atomic bit-banging to the demoMegan Wachs
2017-01-24Use register macros instead of volatile addressesMegan Wachs
2017-01-11double_tap_dontboot: Clean up indentationmwachs5
2017-01-11Spaces, not tabs.mwachs5
2017-01-11Add the 'bootloader' which ships on HiFive1 Boards.mwachs5
2017-01-10Add the led_fade demo which ships on HiFive1 boardsmwachs5
2017-01-03Add CoreMark build skeletonAndrew Waterman
2017-01-03Compile Dhrystone without RVCAndrew Waterman
Branch target misalignment reduces performance by about 10%.
2017-01-03Regularize timing codeAndrew Waterman
Provide get_timer_value() and get_timer_freq() and use them. On Arty, they use mcycle and the known-fixed core frequency, whereas on HiFive1 they use mtime and the known-fixed mtime frequency.
2016-12-14Refactor libc stubs into libwrapAlbert Ou
The --wrap feature of GNU ld supports a cleaner framework for linking in alternative implementations of libc functions without cpp hacks. Place wrappers in separate object files to reduce static code size.
2016-12-13Correct ifdef guards for HiFive1 demo_gpioMegan Wachs
2016-12-09demo_gpio: Make the demo more interesting with interrupts that actually do ↵Megan Wachs
things.
2016-12-01Add missing file (#12)Megan Wachs
2016-11-30Bump Everything to Match new Freedom Repo (#8)Megan Wachs
* Bump tool versions * Use version of OpenOCD which can load programs into flash * Bump OpenOCD to Handle ISSI Flash Programming * Update Header files * add initial support for hifive1 * add dhrystone * add clock helper functions * add openocd cfg file * Demo_GPIO checkpoint -- compiles and runs but no blinky LEDs * Remove riscv-tests submodule * Remove FPGA files, as they are no longer relevant to this Repository * Add openocd_upload script * Add Pinmux Mappings Adding the pinmux mappings to the Platform Header * Add IOF Mappings to platform header * Re-order the IOF Mapping declarations * Add more useful things to platform headers * Get GPIO Demo working again (except interrupts aren't working) * Update README with more OS packages needed A bare ubuntu-16.04.1-server installation could not run `make tools` without these packages. * bump openocd to get SCKDIV fix * Remove duplicated help text for run_debug target * Add package to README that is needed for openocd build Without this package I was seeing two different failures like below when running `make tools`. /home/scottj/freedom-e-sdk/openocd/configure: line 4533: syntax error near unexpected token `0.23' /home/scottj/freedom-e-sdk/openocd/configure: line 4533: `PKG_PROG_PKG_CONFIG(0.23)' Makefile:70: recipe for target '/home/scottj/freedom-e-sdk/toolchain/bin/openocd' failed make: *** [/home/scottj/freedom-e-sdk/toolchain/bin/openocd] Error 2 ... or ... + autoconf configure.ac:12: error: possibly undefined macro: AC_MSG_WARN If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. configure.ac:240: error: possibly undefined macro: AC_MSG_NOTICE configure.ac:342: error: possibly undefined macro: AC_DEFINE Makefile:70: recipe for target '/home/scottj/freedom-e-sdk/toolchain/bin/openocd' failed make: *** [/home/scottj/freedom-e-sdk/toolchain/bin/openocd] Error 1 * Bump OpenOCD to not overwrite SCKDIV when flashing * Roll back CoreMark
2016-08-01Bump Tool versionsMegan Wachs
- Remove duplicate GDB - Update target name to freedom-e300
2016-07-26Initial CheckinMegan Wachs
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