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fix detecting if nifm ctest patch is already applied

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the patch itself always worked, however it failed to detect if the patch was already applied.
this isn't a big issue, and the only one to notice was probably me ;)
This commit is contained in:
TotalJustice 2023-05-27 23:40:19 +01:00
parent 3da8f21d20
commit d5fbbd40d3
3 changed files with 6 additions and 5 deletions
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2
Makefile
View File

@ -2,7 +2,7 @@ MAKEFILES := sysmod overlay
TARGETS := $(foreach dir,$(MAKEFILES),$(CURDIR)/$(dir))
# the below was taken from atmosphere + switch-examples makefile
export VERSION := 1.4.0
export VERSION := 1.4.1
export GIT_BRANCH := $(shell git symbolic-ref --short HEAD)
ifeq ($(strip $(shell git status --porcelain 2>/dev/null)),)

1
README.md
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@ -101,3 +101,4 @@ Software is built on the shoulders of giants. This tool wouldn't be possible wit
- DevkitPro (toolchain)
- [minIni](https://github.com/compuphase/minIni)
- [libtesla](https://github.com/WerWolv/libtesla)
- [Shoutout to the best switch cfw setup guide](https://rentry.org/SwitchHackingIsEasy)

8
sysmod/src/main.cpp
View File

@ -176,14 +176,14 @@ constexpr auto bne_cond(u32 inst) -> bool {
}
constexpr auto ctest_cond(u32 inst) -> bool {
return true; // we overwrite the function so we don't care to check
return std::byteswap(0xF50301AA) == inst; // mov x21, x1
}
// to view patches, use https://armconverter.com/?lock=arm64
constexpr PatchData ret0_patch_data{ "0xE0031F2A" };
constexpr PatchData nop_patch_data{ "0x1F2003D5" };
constexpr PatchData mov0_patch_data{ "0xE0031FAA" };
constexpr PatchData ctest_patch_data{ "00309AD2001EA1F2610100D4E0031FAAC0035FD6" };
constexpr PatchData ctest_patch_data{ "0x00309AD2001EA1F2610100D4E0031FAAC0035FD6" };
constexpr auto ret0_patch(u32 inst) -> PatchData { return ret0_patch_data; }
constexpr auto nop_patch(u32 inst) -> PatchData { return nop_patch_data; }
@ -248,7 +248,7 @@ constinit Patterns es_patterns[] = {
};
constinit Patterns nifm_patterns[] = {
{ "ctest", "................F50301AAF40300AA....F30314AAE00314AA9F0201397F8E04F8", 0, 0, ctest_cond, ctest_patch, ctest_applied, true },
{ "ctest", "....................F40300AA....F30314AAE00314AA9F0201397F8E04F8", 16, -16, ctest_cond, ctest_patch, ctest_applied, true },
};
// NOTE: add system titles that you want to be patched to this table.
@ -338,7 +338,7 @@ void patcher(Handle handle, std::span<const u8> data, u64 addr, std::span<Patter
}
// move onto next pattern
break;
} else if (p.applied(data.data() + inst_offset, inst)) {
} else if (p.applied(data.data() + inst_offset + p.patch_offset, inst)) {
// patch already applied by sigpatches
p.result = PatchResult::PATCHED_FILE;
break;