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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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2019-12-28
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 th...
Wojtek Kosior
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 NULL-terminate...
Wojtek Kosior
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 co...
Wojtek Kosior
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 binar...
Wojtek Kosior
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
2019-12-17
add forgotten libkernel.c
Wojtek Kosior
2019-12-10
update TODOs
Wojtek Kosior
2019-12-10
remove old, unneeded uart_puts() call
Wojtek Kosior
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
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