sotn-decomp/Makefile.psp.mk
bismurphy 45bfe61037
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Decompile PSP DebugShowWaitInfo (#1899)
Mostly an inconsequential function, but we can learn a whole lot from
this one.

1. Lots more symbols added to PSP. This function touches a lot of
previously-unseen things in PSP.
2. This is the first PSP function to print a string. Importantly, PSP
puts strings in `data`, not `rodata`! Luckily, the process of pulling
them in is simple and easy, as demonstrated here.
3. I modified the Makefile for the -O4 stuff. At this point I think DRA
is `O4` and all the overlays are `O0`. We can always make the logic more
complicated later if we need to.
4. We discovered a discrepancy in the size of DR_ENV on PSP. I suspect
we will have more SDK differences, but we will find them function by
function. I decided to set the size in a variable so that we can put all
the version differences at the top of the file, instead of them being
more scattered.

I think that's it!
2024-11-13 18:06:22 +00:00

97 lines
3.6 KiB
Makefile

# Configuration
BUILD_DIR := build/pspeu
PSP_EU_TARGETS := dra stwrp tt_000
# Flags
AS_FLAGS += -EL -I include/ -G0 -march=allegrex -mabi=eabi
MWCCPSP_FLAGS := -gccinc -Iinclude -D_internal_version_$(VERSION) -c -lang c -sdatathreshold 0 -char unsigned
MWLDPSP_FLAGS := -partial -nostdlib -msgstyle gcc -sym full,elf -g
# Tools
ALLEGREX_AS := $(BIN_DIR)/allegrex-as
AS := $(ALLEGREX_AS)
WIBO := $(BIN_DIR)/wibo
MWCCPSP := $(BIN_DIR)/mwccpsp.exe
CCPSP := MWCIncludes=$(BIN_DIR) $(WIBO) $(MWCCPSP)
MWASPSP := $(WIBO) $(BIN_DIR)/asm_psp_elf.exe -gnu
MWLDPSP := $(WIBO) $(BIN_DIR)/mwldpsp.exe
MWCCGAP_DIR := $(TOOLS_DIR)/mwccgap
MWCCGAP_APP := $(MWCCGAP_DIR)/mwccgap.py
MWCCGAP := $(PYTHON) $(MWCCGAP_APP)
SPLAT_PIP := splat split
# Helper Functions
define list_src_files_psp
$(foreach dir,$(ASM_DIR)/$(1),$(wildcard $(dir)/**.s))
$(foreach dir,$(ASM_DIR)/$(1)/data,$(wildcard $(dir)/**.s))
$(foreach dir,$(SRC_DIR)/$(1),$(wildcard $(dir)/**.c))
$(foreach dir,$(ASSETS_DIR)/$(1),$(wildcard $(dir)/**))
endef
define list_o_files_psp
$(foreach file,$(call list_src_files_psp,$(1)),$(BUILD_DIR)/$(file).o)
endef
# Targets
build_pspeu: $(addsuffix _psp,$(PSP_EU_TARGETS))
extract_pspeu: $(addprefix $(BUILD_DIR)/,$(addsuffix .ld,$(PSP_EU_TARGETS)))
$(WIBO):
wget -O $@ https://github.com/decompals/wibo/releases/download/0.6.13/wibo
sha256sum --check $(WIBO).sha256
chmod +x $(WIBO)
$(MWCCPSP): $(WIBO) $(BIN_DIR)/mwccpsp_219
$(MWCCGAP_APP):
git submodule init $(MWCCGAP_DIR)
git submodule update $(MWCCGAP_DIR)
dra_psp: $(BUILD_DIR)/dra.bin
tt_000_psp: $(BUILD_DIR)/tt_000.bin
stwrp_psp: $(BUILD_DIR)/wrp.bin
$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf
$(OBJCOPY) -O binary $< $@
$(BUILD_DIR)/wrp.bin: $(BUILD_DIR)/stwrp.elf
$(OBJCOPY) -O binary $< $@
$(BUILD_DIR)/dra.ld: $(CONFIG_DIR)/splat.pspeu.dra.yaml $(PSX_BASE_SYMS) $(CONFIG_DIR)/symbols.pspeu.dra.txt
$(SPLAT_PIP) $<
$(BUILD_DIR)/st%.ld: $(CONFIG_DIR)/splat.pspeu.st%.yaml $(PSX_BASE_SYMS) $(CONFIG_DIR)/symbols.pspeu.st%.txt
$(SPLAT_PIP) $<
$(BUILD_DIR)/tt_%.ld: $(CONFIG_DIR)/splat.pspeu.tt_%.yaml $(PSX_BASE_SYMS) $(CONFIG_DIR)/symbols.pspeu.tt_%.txt
$(SPLAT_PIP) $<
ST_DRA_MERGE = 624DC
$(BUILD_DIR)/dra.elf: $(BUILD_DIR)/dra.ld $(addprefix $(BUILD_DIR)/src/dra/,$(addsuffix .c.o,$(ST_DRA_MERGE))) $$(call list_o_files_psp,dra_psp)
$(call link,dra,$@)
$(BUILD_DIR)/tt_%.elf: $(BUILD_DIR)/tt_%.ld $$(call list_o_files_psp,servant/tt_$$*) $(BUILD_DIR)/assets/servant/tt_%/mwo_header.bin.o
$(call link,tt_$*,$@)
ST_WRP_MERGE = st_update e_particles e_room_fg st_common st_debug e_breakable popup warp e_red_door
$(BUILD_DIR)/stwrp.elf: $(BUILD_DIR)/stwrp.ld $(addprefix $(BUILD_DIR)/src/st/wrp/,$(addsuffix .c.o,$(ST_WRP_MERGE))) $$(call list_o_files_psp,st/wrp_psp) $(BUILD_DIR)/assets/st/wrp/mwo_header.bin.o
$(call link,stwrp,$@)
# Recipes
$(BUILD_DIR)/%.s.o: %.s
@mkdir -p $(dir $@)
$(AS) $(AS_FLAGS) -o $@ $<
# DRA appears to be compiled with -O4,p. This will control that flag.
# May need to modify if other -O4,p functions are found in other overlays.
# Works for now. Look in git history for a different approach which filters by individual .o file.
OPT_HIGH = -O4,p #need this because otherwise the comma breaks the if-statement
OPTIMIZATION = $(if $(findstring dra, $@), $(OPT_HIGH), -Op)
$(BUILD_DIR)/%.c.o: %.c $(MWCCPSP) $(MWCCGAP_APP)
@mkdir -p $(dir $@)
$(MWCCGAP) $< $@ --mwcc-path $(MWCCPSP) --use-wibo --wibo-path $(WIBO) --as-path $(AS) --asm-dir-prefix asm/pspeu $(MWCCPSP_FLAGS) $(OPTIMIZATION)
$(BUILD_DIR)/assets/%/mwo_header.bin.o: assets/%/mwo_header.bin
@mkdir -p $(dir $@)
$(LD) -r -b binary -o $@ $<