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2019-12-28split kernel into 2 stages; second stage gets copied to 0x0 and runs from thereWojtek Kosior
2019-12-28modify comment in the top of loader_stage1.SWojtek Kosior
2019-12-28correct the notion of PIC in the commentWojtek Kosior
2019-12-28don't take kernel arguments (as we're making no use of them for now, anyway)Wojtek Kosior
2019-12-28forward arguments from the loaderWojtek Kosior
2019-12-28rewrite the stage 1 of bootloader in a more compact and (mostly) load-addr-in...Wojtek Kosior
2019-12-28minor changes to MakefileWojtek Kosior
2019-12-28remove makefs executable when running `make clean`Wojtek Kosior
2019-12-28clean-up memory.hWojtek Kosior
2019-12-28use ldm instruction instead of libkernel for entering user mode; get rid of l...Wojtek Kosior
2019-12-28remain in supervisor modeWojtek Kosior
2019-12-28make uint32_to_bits() inlineWojtek Kosior
2019-12-28place PL_0_test.img in ramfs instead of embedding it directlyWojtek Kosior
2019-12-28add ramfs driverWojtek Kosior
2019-12-28another hopefully last change to the format - add terminating null-byte at th...Wojtek Kosior
2019-12-28write the same null-padding loop a saner wayWojtek Kosior
2019-12-28add comments in makefs.cWojtek Kosior
2019-12-28another (hopefully last) change to our fs format - use C-style NULL-terminate...Wojtek Kosior
2019-12-27make int values always 4-aligned in fs imageWojtek Kosior
2019-12-27adjust bootloader's linker script use with newest version of boot.SWojtek Kosior
2019-12-27add userspace tool for creating ramfs imageWojtek Kosior
2019-12-26minor changes to boot codeWojtek Kosior
2019-12-26remove halt loop (not really needed + we want to get rid of pieces of code co...Wojtek Kosior
2019-12-26minor changes (comments, whitespace)Wojtek Kosior
2019-12-26improve linking of initial boot codeWojtek Kosior
2019-12-26improve linking of interruptsWojtek Kosior
2019-12-26simplify linker script; rely on initially-zero memory to be included in binar...Wojtek Kosior
2019-12-26fix linking of libkernelWojtek Kosior
2019-12-26add gitignoreWojtek Kosior
2019-12-24simplify linking of libkernelWojtek Kosior
2019-12-17don't embed stage2 of bootloader as binary blob - use smart section namingWojtek Kosior
2019-12-17add missing newline in outputWojtek Kosior
2019-12-17make things work again on real hw (setting system mode moved to boot.S)Wojtek Kosior
2019-12-17add forgotten libkernel.hWojtek Kosior
2019-12-17add forgotten libkernel.cWojtek Kosior
2019-12-10update TODOsWojtek Kosior
2019-12-10remove old, unneeded uart_puts() callWojtek Kosior
2019-12-10Clean up flags in Makefile a bit.; -fPIC... -fPIC EVERYWHEREWojtek Kosior
2019-12-10re-enter system mode on invalid data access from PL0 codeWojtek Kosior
2019-12-03separate libkernel setus, PL0 code setup and jump to PL0 code into different ...Wojtek Kosior
2019-12-02create a separate library for kernel code that should run in PL0 modeWojtek Kosior
2019-12-02read and write entire volatile struct at once, not it's single fieldsWojtek Kosior
2019-12-02get rid of "cannot find entry symbol _start" warningWojtek Kosior
2019-11-26maintain history of recent progressWojtek Kosior
2019-11-26don't use switch statement with fallthroughWojtek Kosior
2019-11-20merge alice to bobWojtek Kosior
2019-11-19minor editWojtek Kosior
2019-11-19bugfix - properly compute section addressWojtek Kosior
2019-11-19cleanup Makefile a bit; you can merge Bob now :)Wojtek Kosior
2019-11-19guard against multiple-inclusion of headersWojtek Kosior