Make gcc spit formatting errors/warnings with custom printf()/sscanf().

Replaced newlib printf()/sscanf() to get rid of bloat.

Implemented the backend for brighness adjustment.

Added license to all sources. Dir structure cleanup.

Heap start is automatically setup.

Provide a full set or read/write buffer functions + function documentation.

Added missing I2C init code.

Refactor of I2C code.

Reset performance monitor on ARM11.

Enable LTO on ARM11.

Cleanup the gfx code a bit.

Forgot to add it to gfx.h.

Added GX_displayTransfer().

Reduce screen tearing. Only double buffering can fix it completely.

Confirmed PSC0/1 interrupts. Make sure nothing uses the I2C bus at GPU init.

Added timer code for ARM11.

Revert useless changes from a0108e2e.

Clobber the global namespace less.

Corrected parameter name for IRQ_registerHandler().

It's enough to flush the dcache + forgot the reboot function.

More consistency.

Give PXI its own IRQ handler.

Split hid.c/h in ARM9/11 versions. HOME/POWER and the WiFi slider can now be read with HID functions.

Fixed not anding CPU ID in IRQ handler.

Ported over some things from ARM11 for consistency. Fixed bugs.

Fixed a bug in irqHandler + it now passes the interrupt source value to the handler.

There are 32 private interrupts.

Added a few missing (but confirmed) IRQs.

Improved ARM11 interrupt code + changed main() to wait for interrupts.

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