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rpi-MMU-example
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Simple kernel to present usage of Memory Management Unit, under Raspberry Pi 3B running libre firmware
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2019-12-31
add strlen implementation
Wojtek Kosior
2019-12-30
inform about values passed to the kernel
Wojtek Kosior
2019-12-30
fix number trimming
Wojtek Kosior
2019-12-30
preserve atags for stage2
Wojtek Kosior
2019-12-30
don't mark used values as unused
Wojtek Kosior
2019-12-30
uint32_to_hexstring() bugfix
Wojtek Kosior
2019-12-30
better naming of qemu-* targets
Wojtek Kosior
2019-12-30
minor improvements to Makefile
Wojtek Kosior
2019-12-30
io api rework
Wojtek Kosior
2019-12-30
stop direct uart usage from PL0
Wojtek Kosior
2019-12-30
implement getchar() and putchar() in terms of supervisor call
Wojtek Kosior
2019-12-30
fix the linking of embedded ramfs
Wojtek Kosior
2019-12-30
don't perform unneeded section renaming for embedded files
Wojtek Kosior
2019-12-28
improve linking of PL0_test
Wojtek Kosior
2019-12-28
enter and exit supervisor call (+ fixed jumping to PL0 for the first time - ↵
Wojtek Kosior
setting sp was broken there)
2019-12-28
simple interrupt handling functions declarations, without attributes
Wojtek Kosior
2019-12-28
split kernel into 2 stages; second stage gets copied to 0x0 and runs from there
Wojtek Kosior
2019-12-28
modify comment in the top of loader_stage1.S
Wojtek Kosior
2019-12-28
correct the notion of PIC in the comment
Wojtek Kosior
2019-12-28
don't take kernel arguments (as we're making no use of them for now, anyway)
Wojtek Kosior
2019-12-28
forward arguments from the loader
Wojtek Kosior
2019-12-28
rewrite the stage 1 of bootloader in a more compact and (mostly) ↵
Wojtek Kosior
load-addr-independent way
2019-12-28
minor changes to Makefile
Wojtek Kosior
2019-12-28
remove makefs executable when running `make clean`
Wojtek Kosior
2019-12-28
clean-up memory.h
Wojtek Kosior
2019-12-28
use ldm instruction instead of libkernel for entering user mode; get rid of ↵
Wojtek Kosior
libkernel (no longer needed)
2019-12-28
remain in supervisor mode
Wojtek Kosior
2019-12-28
make uint32_to_bits() inline
Wojtek Kosior
2019-12-28
place PL_0_test.img in ramfs instead of embedding it directly
Wojtek Kosior
2019-12-28
add ramfs driver
Wojtek Kosior
2019-12-28
another hopefully last change to the format - add terminating null-byte at ↵
Wojtek Kosior
the end of the entire ramfs
2019-12-28
write the same null-padding loop a saner way
Wojtek Kosior
2019-12-28
add comments in makefs.c
Wojtek Kosior
2019-12-28
another (hopefully last) change to our fs format - use C-style ↵
Wojtek Kosior
NULL-terminated strings instead of length-padded
2019-12-27
make int values always 4-aligned in fs image
Wojtek Kosior
2019-12-27
adjust bootloader's linker script use with newest version of boot.S
Wojtek Kosior
2019-12-27
add userspace tool for creating ramfs image
Wojtek Kosior
2019-12-26
minor changes to boot code
Wojtek Kosior
2019-12-26
remove halt loop (not really needed + we want to get rid of pieces of code ↵
Wojtek Kosior
copy-pasted from wiki osdev)
2019-12-26
minor changes (comments, whitespace)
Wojtek Kosior
2019-12-26
improve linking of initial boot code
Wojtek Kosior
2019-12-26
improve linking of interrupts
Wojtek Kosior
2019-12-26
simplify linker script; rely on initially-zero memory to be included in ↵
Wojtek Kosior
binary image (no bss zeroing in assembly code)
2019-12-26
fix linking of libkernel
Wojtek Kosior
2019-12-26
add gitignore
Wojtek Kosior
2019-12-24
simplify linking of libkernel
Wojtek Kosior
2019-12-17
don't embed stage2 of bootloader as binary blob - use smart section naming
Wojtek Kosior
2019-12-17
add missing newline in output
Wojtek Kosior
2019-12-17
make things work again on real hw (setting system mode moved to boot.S)
Wojtek Kosior
2019-12-17
add forgotten libkernel.h
Wojtek Kosior
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