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2016-12-11Add some missing LICENSE headers.Megan Wachs
2016-12-11platform: add more defines which are generally neededMegan Wachs
2016-12-09demo_gpio: Make the demo more interesting with interrupts that actually do ↵Megan Wachs
things.
2016-12-09demo_gpio: Correct trap_entry handling to enable timer/ext interruptsMegan Wachs
2016-12-07Merge pull request #17 from sifive/enable-fpuScott Johnson
Enable FPU in MSTATUS CSR during init
2016-12-07Initialize FPU properlyScott Johnson
* Only attempts if FPU actually implemented in design * Also initializes rounding modes, which are undefined at reset
2016-12-07Place .init_array/.fini_array sections in flash instead of RAMAlbert Ou
This appears to resolve the issue of .sdata being assigned an incorrect LMA (ld warning "section `.sdata' can't be allocated in segment 1").
2016-12-07Deduplicate freedom-e300-arty filesAlbert Ou
2016-12-06Enable FPU in MSTATUS CSR during initScott Johnson
This way, chips with FPU can run FPU instructions without taking exceptions. I've confirmed that dhrystone still runs successfully even on chips with no FPU.
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
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