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rpi-MMU-example
master
Simple kernel to present usage of Memory Management Unit, under Raspberry Pi 3B running libre firmware
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2019-12-10
Clean up flags in Makefile a bit.; -fPIC... -fPIC EVERYWHERE
Wojtek Kosior
2019-12-10
re-enter system mode on invalid data access from PL0 code
Wojtek Kosior
2019-12-03
separate libkernel setus, PL0 code setup and jump to PL0 code into different ...
Wojtek Kosior
2019-12-02
create a separate library for kernel code that should run in PL0 mode
Wojtek Kosior
2019-12-02
read and write entire volatile struct at once, not it's single fields
Wojtek Kosior
2019-12-02
get rid of "cannot find entry symbol _start" warning
Wojtek Kosior
2019-11-26
maintain history of recent progress
Wojtek Kosior
2019-11-26
don't use switch statement with fallthrough
Wojtek Kosior
2019-11-20
merge alice to bob
Wojtek Kosior
2019-11-19
minor edit
Wojtek Kosior
2019-11-19
bugfix - properly compute section address
Wojtek Kosior
2019-11-19
cleanup Makefile a bit; you can merge Bob now :)
Wojtek Kosior
2019-11-19
guard against multiple-inclusion of headers
Wojtek Kosior
2019-11-19
split kernel into more files
Wojtek Kosior
2019-11-12
some ugly instructions (I wouldn't call this code), that switch to PL0 and ch...
Wojtek Kosior
2019-11-12
TEST CODE: prepare for switching to PL0
Wojtek Kosior
2019-11-12
add interrupts; add some more content in pipe (commented out for now)
vetch
2019-11-12
finalize Makefile for writing to rpi
vetch
2019-11-12
merge bob
vetch
2019-11-11
fix typo in comment
Wojtek Kosior
2019-11-11
describe CPSR using a struct with bitfields
Wojtek Kosior
2019-11-11
rename cpsr.h -> psr.h
Wojtek Kosior
2019-11-11
limit descriptor_type field to 2 bits
Wojtek Kosior
2019-11-11
update short descriptor generic struct
Wojtek Kosior
2019-11-11
rearrange definitions, make code more navigable
Wojtek Kosior
2019-11-11
represent page table descriptor as struct, fix #define conflicts between tran...
Wojtek Kosior
2019-11-09
define struct for supersection
Wojtek Kosior
2019-11-09
start working on documentation
Wojtek Kosior
2019-11-09
enable the MMU - a cleaner way (describing registers with bitfield structs an...
Wojtek Kosior
2019-11-09
correct mistake in comment
Wojtek Kosior
2019-11-09
enable MMU; warning: DO NOT MERGE THIS COMMIT - ONCE I KNOW HOW TO GET THIS W...
Wojtek Kosior
2019-11-05
merge bob into alice
vetch
2019-11-05
modified makefile
vetch
2019-10-23
reinclude older functionality of pipe_image
Wojtek Kosior
2019-10-22
add processor mode changing
Wojtek Kosior
2019-10-22
modify to use in new pipe_image
vetch
2019-10-22
update TODOs
Wojtek Kosior
2019-10-22
Correct rs232
vetch
2019-10-22
cleanup repo
vetch
2019-10-22
Merge branch 'bob' of https://repo.or.cz/RPi-MMU-example into alice
vetch
2019-10-22
check actual 4 bits that indicate paging support (3 were being checed b4)
Wojtek Kosior
2019-10-22
check current execution mode
Wojtek Kosior
2019-10-15
add rs232
vetch
2019-10-15
test size, write by rs232 lib
vetch
2019-10-15
delay greeting message in kernel
Wojtek Kosior
2019-10-15
add Makefile rule for booting through uart on real rpi
Wojtek Kosior
2019-10-15
make sure qemu-bin command works even with loader compiled for other load add...
Wojtek Kosior
2019-10-15
remove redundand 'qemu-loader' target
Wojtek Kosior
2019-10-15
adjust for rpi-open-firmware
Wojtek Kosior
2019-10-15
Added ELFFLAGS
vetch
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