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73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
from typing import List
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from yaml.loader import Loader
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from splat.segtypes.segment import Segment
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from splat.util import options
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import yaml as yaml_loader
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class N64SegPm_effect_shims(Segment):
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shims: List[str] = []
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@staticmethod
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def get_shim_asm(index, name):
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return f""".include "macro.inc"
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# assembler directives
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.set noat # allow manual use of $at
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.set noreorder # don't insert nops after branches
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.set gp=64 # allow use of 64-bit general purpose registers
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.section .text, "ax"
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glabel {name}
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/* 0 3C01E020 */ lui $at, %hi(effectFuncs + 0x{index * 4:X})
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/* 4 8C210694 */ lw $at, %lo(effectFuncs + 0x{index * 4:X})($at)
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/* 8 00200008 */ jr $at
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/* C 00000000 */ nop
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"""
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def shim_path(self, shim: str):
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return options.opts.build_path / "asm" / "effect_shims" / f"{shim}.s"
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def __init__(
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self,
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rom_start,
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rom_end,
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type,
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name,
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vram_start,
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args,
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yaml,
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):
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super().__init__(
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rom_start,
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rom_end,
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type,
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name,
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vram_start,
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args=args,
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yaml=yaml,
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)
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with open(options.opts.src_path / "effect_shims.yaml") as f:
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self.shims = yaml_loader.load(f.read(), Loader=yaml_loader.SafeLoader)
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def split(self, rom_bytes):
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for i, shim in enumerate(self.shims):
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shim_asm = N64SegPm_effect_shims.get_shim_asm(i, shim)
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self.shim_path("").parent.mkdir(parents=True, exist_ok=True)
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with open(self.shim_path(shim), "w") as f:
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f.write(shim_asm)
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def get_linker_entries(self):
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from splat.segtypes.linker_entry import LinkerEntry
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ret = []
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for shim in self.shims:
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ret.append(LinkerEntry(self, [self.shim_path(shim)], self.shim_path(shim), ".text", ".text"))
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return ret
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