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60 Commits

Author SHA1 Message Date
d0k3
c8caf5888f Fix -flto parameter in Makefiles 2025-10-17 19:38:36 +02:00
Wolfvak
7b6b478582
Use VA start and end linker symbols instead of length (#865) 2024-06-19 16:19:45 -03:00
ihaveahax
ad8b5e0a8c
arm9/arm11 Makefile: Fix building with spaces in path (#828) 
This quotes $(CURDIR) which fixes an issue with building GM9 in a path
with spaces, which Windows users are likely to have.
 2023-08-25 21:58:22 -03:00
Wolfvak
b5fca3bc7e
Use the correct MCU LED period for calculations (#807) 
Fixes #772
 2023-04-25 10:13:07 -03:00
aspargas2
658c9b491c use --use-blx linker argument 
makes firm about 500 bytes smaller for free
 2022-04-16 18:40:47 -04:00
d0k3
ee43fe328f Fix a compiler warning 2021-02-21 14:40:33 +01:00
Wolfvak
31389687ab event model seems to work 
refactors all the ugly "pendingX" atomic operations into a single "Event" subsystem/interface thing with two operations

moves all existing code to use this instead

also changes the "bkpt" macro to also indicate unreachable code
 2021-02-21 14:40:33 +01:00
Wolfvak
eadc1ab6b9 simplify the sharedmem buffers 
also made the wait on boot unconditional
 2021-02-21 14:40:33 +01:00
Wolfvak
9ecb90a2ba make interrupt handlers more lazy, most processing is done in interruptible context now 
- completely moved MCU interrupt handling outside of the critical section
- refactored a bit of the PXI code and command names
- merge the I2C read and write cmds to be one
- remove SET_VMODE cmd, now it's always initialized to BGR565 on boot and to RGB565 on firmlaunch
- atomic-ize more stuff
 2021-02-21 14:40:33 +01:00
Wolfvak
a6e20c641a initial mcu events implementation 
- backlight power control is reinstated but currently buggy, for some reason the __builtin_trap is tripped on GFX_powerOnBacklights and GFX_powerOffBacklights

- also refactored a bunch of other code pertaining to mcu and other hw init, moved the gpu init to a later point since lcd init now depends on mcu events
 2021-02-21 14:40:32 +01:00
Gabriel Marcano
d010f2858b Remove trailing white space 
- Removed trailing whitespace from all source code files (.c, .h. and
   .s) and the README.md
 2020-08-26 23:01:58 +02:00
Wolfvak
1f2514f19e forgot to update non-FIXED_BRIGHTNESS mode 2020-08-22 17:15:10 -03:00
Wolfvak
a2e574a451 fix #622 2020-08-22 16:37:27 -03:00
Wolfvak
68a4ceac5b add another pxi barrier for firmlaunch 
fixes a race condition when booting gm9 from itself (especially noticeable on new3DS consoles)
 2020-08-19 23:11:45 -03:00
Wolfvak
bf767f2c01
add a needed delay for new 3ds consoles (#617) 2020-08-04 16:41:10 -03:00
Wolfvak
4dc5661d58 use hardcoded configuration for ARM11 interrupts 2020-08-02 11:40:18 -03:00
Wolfvak
8a7448995f fixed overlooked ARM9 exception handler issue where code would be dumped incorrectly, modified ARM11 exception vectors to not take an entire page of compiled code 2020-07-26 10:27:48 -03:00
Wolfvak
f835469e19 rewrite the bootrom function header, add more operations and add ARM11 versions 
- the bootrom is now mapped on the ARM11

- removed the waitClks in favor of a more canonical implementation (subs r0, r0, 4/5 + branch back)
 2020-07-24 13:37:29 -03:00
Wolfvak
3973ce57df revert back to using Thumb code for the ARM9 binary 
leads to better density and therefore much smaller FIRM sizes
 2020-07-23 20:33:46 -03:00
Wolfvak
929cc7fdcf better hints to reduce compiled size by a few kb 
mostly just added static const to constant arrays/buffers
 2020-07-23 13:46:42 -03:00
Wolfvak
6487307cf0 improved mmu and gic code 2020-07-19 11:59:52 -03:00
Wolfvak
5905fb84fb removed the cross allocator, use the shared memory region instead for I2C and NVRAM transfers 2020-07-19 11:44:03 -03:00
Wolfvak
30f0b004c2 fixed screen init, hopefully the last commmit 
- properly performs gpu/backlight reset

- nukes vram so the initrd had to be moved to arm9 memory, and have its size (at least temporarily) limited to 256k
 2020-07-18 20:25:34 -03:00
santiago
1e92163245 lazy fix for the screen init bug, hopefully 2020-05-09 16:24:40 -03:00
d0k3
e58760231a Fix building with FIXED_BRIGHTNESS 
@thanks uwabami
 2020-01-02 21:07:22 +01:00
Wolfvak
915cb2d13e Hopefully fix #466 - now it resets the GPU/LCD into a known state instead of leaving the previous one on 2019-10-13 18:32:41 -03:00
Balint Kovacs
d2f596e7a3 Merge ARM11 spi and ARM9 spicard drivers 
Also centralize device IDs into SPI.h
 2019-10-11 16:24:08 +02:00
Wolfvak
a9624b6d81 fix a potential mcu bug 2019-10-03 17:04:35 -03:00
Wolfvak
fd5320b86f - properly align ARM11 stacks and buffers 
- add very simple exception dumping for the ARM11
 2019-09-29 19:53:28 +02:00
Wolfvak
2ef408f4af fix broken cross-buffer assumption, check nvram reads 2019-09-29 19:53:28 +02:00
Wolfvak
d6c6f56526 fix compilation warnings due to unaligned packed structures in newer gcc 2019-09-29 19:53:27 +02:00
Wolfvak
88751ab96a refactor build system code to allow common code to be built for each target 2019-09-29 19:53:27 +02:00
Wolfvak
07b2a2beb6 fix backwards compatibility with software that exclusively uses the old SPI interface 
fix PXI acknowledgement bug that prevented older GM9 from booting
 2019-09-29 19:53:27 +02:00
Wolfvak
bd74ad00d8 add initial brightness config dialog, currently inaccessible 2019-06-07 17:13:42 -03:00
Wolfvak
04bf6438de lowered circle pad sensitivity on the horizontal axis 2019-06-03 02:28:27 +02:00
Wolfvak
ca7944ce04 - enable the VFP on the ARM11 
- stopped using the ITCM as the interrupt vector table
- removed dead Thumb code handler in interrupt handling
- added basic memory protection flags
 2019-06-03 02:28:26 +02:00
Wolfvak
6dc89d7107 compile time fixed brightness bugfix, reinstated command to set brightness from ARM9 2019-06-03 02:28:25 +02:00
Wolfvak
50e97d2dab Moved most things to RGB565 2019-06-03 02:28:25 +02:00
Wolfvak
2f64a8046a - compile with size optimizations, reduces inst cache pressure 
- removed most of lodepng's optional features
- lodepng now uses the already existing CRC32 code instead of using its own copy
- fixed GIC interrupt priority
 2019-06-03 02:28:24 +02:00
Wolfvak
77f857ab64 - added way to prevent a race condition when reading the touchscreen values 
- simplified CODEC init and read code
- fixed I2C register

thanks to @profi200 for the last two points
 2019-06-03 02:27:44 +02:00
Wolfvak
a6734af45d licensing bs 2019-06-03 02:27:43 +02:00
Wolfvak
46a5735f5c - fixed bug where a N3DS without extra FCRAM enabled would get stuck on boot 2019-06-03 02:27:43 +02:00
Wolfvak
ad9a9bd5a0 - turn off the LCDs when the lid closes, and turn them back on when it's open 
- reset LEDs on boot
- add code to set the notification LED
- add a PXI command to verify the NVRAM is actually online
- notify the ARM9 about the shell state through the HID thing
 2019-06-03 02:27:43 +02:00
Wolfvak
70757e3385 - added extremely simple calibration dialog, to be replaced by something prettier/saner/safer at a later point in time 
- moved all SPI code to the ARM11
- reimplemented NVRAM reading for the new SPI interface
 2019-06-03 02:27:42 +02:00
Wolfvak
b52bf3b9a5 refactored SPI and CODEC drivers, getting ready to move all SPI ops to the ARM11 2019-06-03 02:27:42 +02:00
Wolfvak
1b04ca4fa1 - added touchscreen calibration code 
- added very simple 12-bit precision fixed point arithmetic code as a fast float replacement
 2019-06-03 02:27:42 +02:00
Wolfvak
bf45ee3900 - added new SPI and CODEC drivers ported from linux, thanks to xerpi 
- circle pad simulates dpad keys (up, right, down, left)
- raw touchscreen data is provided but currently unused
- added a simple shared memory region thing
- fixed the 10ms delay to be _after_ the backlights are turned on, thanks to profi again

as always, other stuff I probably forgot about
 2019-06-03 02:27:42 +02:00
Wolfvak
bcff09a389 added a small 10ms wait before turning on the backlight, thanks to profi for reminding me of that 2019-06-03 02:27:42 +02:00
Wolfvak
f5a877d00b - implemented MCU stuff and its interrupts, thanks @profi200 for the info 
- moved brightness control to the ARM11
- moved HID updating to the ARM11
- moved screen init from ARM9 to the ARM11, always performed unconditionally
- removed unnecessary SCREENINIT and SET_BRIGHTNESS pxi commands

and other stuff I probably forgot about
 2019-06-03 02:27:41 +02:00
Wolfvak
5e56cd2f77 - refactored arm11/sys.c 
- moved common.h from the ARM9 tree to the common code tree
- does proper deinit now on the ARM11 side

the bug that caused it to fail to launch some FIRMs has been fixed - it can even boot stock FIRMs
 2019-06-03 02:27:41 +02:00