Anton Lydike
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4b31bd9fda
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made all ecall handlers return optional_int and correctly handle erorrs
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3 years ago |
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Anton Lydike
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828ea0c2e2
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made itoa and dbgln empty macros if no textIO is available to remove overhead
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3 years ago |
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Anton Lydike
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5dccd2dc80
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adding comments to scheduling code
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3 years ago |
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Anton Lydike
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737a9a1cf3
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cleaning up print statements and unusded variables
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3 years ago |
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Anton Lydike
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cef79a92aa
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added end of config comment to package.py
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3 years ago |
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Anton Lydike
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4e7a6a20f9
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updated readme
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3 years ago |
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Anton Lydike
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314da51aaf
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added various (bad) example programs
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3 years ago |
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Anton Lydike
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3b93b864ac
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various imrpovements and implementations on the kernel
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3 years ago |
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Anton Lydike
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61017db51c
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sched.h: create_new_process - correct function to create a new process in an available spot
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3 years ago |
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Anton Lydike
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ef854fba54
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made error codes positive numbers
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3 years ago |
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Anton Lydike
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409a993d77
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removed lib as it was out of date and discontinued
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3 years ago |
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Anton Lydike
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efb372cb5f
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added .rdata and .rodata sections to packaging script
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3 years ago |
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Anton Lydike
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601b507370
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switched boot.S to use csr.h constants for csr addresses
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3 years ago |
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Anton Lydike
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a25c28d661
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added bundled version of kernel types in ktypes.h
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3 years ago |
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Anton Lydike
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b979ab9b04
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switched kernel init to use malloc with optionals
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3 years ago |
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Anton Lydike
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c8c19f298a
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bundled all types into ktypes.h and added optionals
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3 years ago |
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Anton Lydike
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b6d967262a
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improvments to debugging symbols emitted by package.py script
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3 years ago |
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Anton Lydike
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7894808e09
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removed current_process_index in scheduling in favour of pointers
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3 years ago |
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Anton Lydike
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16d0c05272
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starting all available binaries as processes on kernel startup
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3 years ago |
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Anton Lydike
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a0c3a57921
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added placeholder malloc_stack as malloc precursor
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3 years ago |
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Anton Lydike
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1e472d2a4a
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small linker.ld fixes for _start section and global pointer
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3 years ago |
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Anton Lydike
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26e70d2f60
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added TextIO module for outputting text
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3 years ago |
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Anton Lydike
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ab19abe12b
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kernel scheduling now working better with ecalls, not resetting the time slice
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3 years ago |
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Anton Lydike
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d7b5a1b8d0
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cleaned packaging script up and added debug symbols
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3 years ago |
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Anton Lydike
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b5a26ba0c7
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added .img files to gitignore
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3 years ago |
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Anton Lydike
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c0f5de14ac
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fixed packaging script
- added more sections to the included sections list
- fixed imports
- better output
- fixed argument usage
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3 years ago |
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Anton Lydike
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33168689c6
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added -Wall -Wextra -pedantic-errors to gcc flags
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3 years ago |
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Anton Lydike
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cc498154aa
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moved binary_table from .bss to .data section to prevent overwriting it with zeros on startup
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3 years ago |
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Anton Lydike
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ce9c6e6cfb
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started properly implementing syscall structure
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3 years ago |
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Anton Lydike
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962b209f30
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switched to a real linker script
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3 years ago |
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Anton Lydike
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b058330a16
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Revert "renamed .sdata -> .data in linker.ld"
This reverts commit f0bc98c441.
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3 years ago |
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Anton Lydike
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31339216b7
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fixed missing semicolon in sched.h
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3 years ago |
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Anton Lydike
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f0bc98c441
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renamed .sdata -> .data in linker.ld
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3 years ago |
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Anton Lydike
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79c93de90e
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changed objdump flags in makefile to only disassemble text sections
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3 years ago |
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Anton Lydike
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39a5eada2f
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introduced data structure to manage binaries in memory
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3 years ago |
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Anton Lydike
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1b0ee53e4e
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removed unused parts of boot.S and changed ordering in boot process
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3 years ago |
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Anton Lydike
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06f8cfd279
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removed mutex kernel code
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3 years ago |
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Anton Lydike
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76c5c3ba3a
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added script for packaging binaries into image
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3 years ago |
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Anton Lydike
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20704f86ce
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changed binary starting location and added linker comments
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3 years ago |
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Anton Lydike
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d9625b445a
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cleaned up scheduling and boot code
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3 years ago |
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Anton Lydike
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04f6c80d7d
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removed -mexplicit-relocs cc flag and other options in the Makefile
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3 years ago |
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Anton Lydike
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cfd74e66b4
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fixed assembly format of read_time and write_mtimecmp
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3 years ago |
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Anton Lydike
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cfc1c5c74b
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removing mutex syscalls
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3 years ago |
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Anton Lydike
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1ab51aadff
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added toolchain compilation infos to readme
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3 years ago |
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Anton Lydike
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e08a58a29d
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added gcc flags to make binaries more relocatable
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3 years ago |
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Anton Lydike
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1cf5458247
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added memset for non-rv32m environments
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3 years ago |
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Anton Lydike
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b2dab6cb37
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added config options to makefile - now able to build various variations
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3 years ago |
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Anton Lydike
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37380ee055
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added comment for jump to init
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3 years ago |
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Anton Lydike
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a8aa7a8f7c
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implemented a smart memset routine, use it to clear bss, and halt after returning from init
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3 years ago |
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Anton Lydike
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d3f3adbf40
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using my own linker now
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3 years ago |