Atmosphere/stratosphere/stratosphere.mk
Michael Scire b7ec64ea16 fs.mitm: add and use memlet module to temporarily steal applet memory while building romfs images.
Starting in 20.0.0, the browser needs more applet memory to function, so we can't steal as much any more.
Thus, we now steal 14 MB on 20.0.0+ instead of 40MB.

However, since this reduces memory available for custom system modules, we are adjusting to compensate.
ams.mitm's heap size has been reduced from 32MB to 12MB (recovering 20MB).
In addition, fs.mitm now uses a new mechanism for stealing memory from the applet pool while romfs is being built.

On net, we are compromising:
    * Custom sysmodules lose memory available to them.
        On 19.0.0/AMS 1.8.0, there was 30 MB available for custom sysmodules.
        Stealing 14 MB instead of 40 MB, we lose 26 MB of that. Reducing ams.mitm's usage will gain us back 20.
        Nintendo also appears to...use 4 extra MB, in 20.0.0, from my test homebrew.
        So on 20.0.0/AMS 1.9.0, there should be 20 MB available for custom sysmodules.
        On the bright side, on <20.0.0/AMS 1.9.0, I guess there will be 50 MB available for custom sysmodules now?
    * totk mods will lose the ability to...put every file in the romfs on sd card. There will be some unknown maximum filecount for totk mods.
        On the bright side, implementing the transient memory stealing should improve compatibility for some mods which strictly add files?
2025-05-09 11:55:21 -07:00

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1.3 KiB
Makefile

#---------------------------------------------------------------------------------
# pull in common atmosphere configuration
#---------------------------------------------------------------------------------
THIS_MAKEFILE := $(abspath $(lastword $(MAKEFILE_LIST)))
CURRENT_DIRECTORY := $(abspath $(dir $(THIS_MAKEFILE)))
include $(CURRENT_DIRECTORY)/../libraries/config/common.mk
ALL_MODULES := loader boot ncm pm sm ams_mitm spl eclct.stub ro creport fatal dmnt boot2 erpt pgl jpegdec LogManager cs htc TioServer dmnt.gen2 memlet
all: $(ALL_MODULES)
$(ALL_MODULES): check_lib
@$(SILENTCMD)echo Checking $@...
@$(MAKE) --no-print-directory -C $(CURRENT_DIRECTORY)/$@ -f $(CURRENT_DIRECTORY)/$@/system_module.mk ATMOSPHERE_CHECKED_LIBSTRATOSPHERE=1
$(foreach module,$(ALL_MODULES),clean-$(module)):
@$(SILENTCMD)echo Cleaning $(@:clean-%=%)...
@$(MAKE) --no-print-directory -C $(CURRENT_DIRECTORY)/$(@:clean-%=%) -f $(CURRENT_DIRECTORY)/$(@:clean-%=%)/system_module.mk clean
ifeq ($(ATMOSPHERE_CHECKED_LIBSTRATOSPHERE),1)
check_lib:
else
check_lib:
@$(MAKE) --no-print-directory -C $(ATMOSPHERE_LIBRARIES_DIR)/libstratosphere -f $(ATMOSPHERE_LIBRARIES_DIR)/libstratosphere/libstratosphere.mk
endif
clean: $(foreach module,$(ALL_MODULES),clean-$(module))
.PHONY: all clean check_lib $(foreach module,$(ALL_MODULES),$(module) clean-$(module))