Skip to content

picogame: RP2040/RP2350 flags optimization + enable picogame on selected boards #11358

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
tannewt merged 2 commits into from
Sep 21, 2026
+11 −10
Merged

picogame: RP2040/RP2350 flags optimization + enable picogame on selected boards #11358

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
11d99f3
raspberrypi: build with -O2 plus the two -O3 flags that measure
lynt-smitka Sep 20, 2026
7722194
raspberry_pi_pico, raspberry_pi_pico_w: enable picogame
lynt-smitka Sep 20, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 4 additions & 1 deletion ports/raspberrypi/Makefile
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,10 @@ CFLAGS += \
-DPICO_NO_BI_BOOTSEL_VIA_DOUBLE_RESET=0 \
-DDVI_1BPP_BIT_REVERSE=0

OPTIMIZATION_FLAGS ?= -O3
# -O2 plus the two -O3 flags that measure: -funswitch-loops (16 KB) carries the sprite
# blits, -fvect-cost-model=dynamic (4 KB) the fills and memcpy. Same speed as -O3 on both
# cores for about 125 KB less flash. Boards may override this in mpconfigboard.mk.
OPTIMIZATION_FLAGS ?= -O2 -funswitch-loops -fvect-cost-model=dynamic
# TinyUSB defines
CFLAGS += \
-DCFG_TUSB_OS=OPT_OS_PICO \
Expand Down
5 changes: 0 additions & 5 deletions ports/raspberrypi/boards/pajenicko_picopad/mpconfigboard.mk
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,3 @@ CFLAGS += \

# Must be accompanied by a linker script change
CFLAGS += -DCIRCUITPY_FIRMWARE_SIZE='(1536 * 1024)'

# The rp2 port default is -O3; on this Cortex-M0+ (no SIMD/FPU, 16 KB XIP cache) -O2 plus
# these five loop passes measures within +-1% of -O3 across the picogame render kernels
# while using ~150 KB less flash (gc.o/vm.o stay -O3 via SUPEROPT regardless).
OPTIMIZATION_FLAGS = -O2 -funswitch-loops -fpredictive-commoning -fgcse-after-reload -ftree-partial-pre -fsplit-paths
4 changes: 0 additions & 4 deletions ports/raspberrypi/boards/pimoroni_picosystem/mpconfigboard.mk
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,3 @@ CIRCUITPY_PICOGAME_FAST_DISPLAY = 1
CIRCUITPY_AUDIOIO = 1

FROZEN_MPY_DIRS += $(TOP)/frozen/circuitpython-stage/picosystem

# The default is -O3. picogame does not fit at -O3; these loop passes keep the render
# kernels within 1% of it.
OPTIMIZATION_FLAGS = -O2 -funswitch-loops -fpredictive-commoning -fgcse-after-reload -ftree-partial-pre -fsplit-paths
4 changes: 4 additions & 0 deletions ports/raspberrypi/boards/raspberry_pi_pico/mpconfigboard.mk
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,4 +9,8 @@ CHIP_FAMILY = rp2
EXTERNAL_FLASH_DEVICES = "W25Q16JVxQ"

CIRCUITPY__EVE = 1

CIRCUITPY_PICOGAME = 1
CIRCUITPY_PICOGAME_FAST_DISPLAY = 1

CIRCUITPY_PICODVI = 1
3 changes: 3 additions & 0 deletions ports/raspberrypi/boards/raspberry_pi_pico_w/mpconfigboard.mk
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,9 @@ CIRCUITPY_USB_HOST = 0

CIRCUITPY__EVE = 1

CIRCUITPY_PICOGAME = 1
CIRCUITPY_PICOGAME_FAST_DISPLAY = 1

CIRCUITPY_CYW43 = 1
CIRCUITPY_SSL = 1
CIRCUITPY_HASHLIB = 1
Expand Down
Loading