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Clear floating point registers on guest entry

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Mesosphere does this too:
fa4a96d021/libraries/libmesosphere/source/arch/arm64/kern_k_thread_context.cpp (L135)
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◱ PixelyIon 2020-06-27 17:23:26 +01:00 committed by ◱ PixelyIon
parent f381883c0b
commit e7f880e782
1 changed files with 34 additions and 0 deletions
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34
app/src/main/cpp/skyline/nce/guest.cpp
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@ -320,6 +320,40 @@ namespace skyline::guest {
"MOV X27, XZR\n\t"
"MOV X28, XZR\n\t"
"MOV X29, XZR\n\t"
"MSR FPSR, XZR\n\t"
"MSR FPCR, XZR\n\t"
"DUP V0.16B, WZR\n\t"
"DUP V1.16B, WZR\n\t"
"DUP V2.16B, WZR\n\t"
"DUP V3.16B, WZR\n\t"
"DUP V4.16B, WZR\n\t"
"DUP V5.16B, WZR\n\t"
"DUP V6.16B, WZR\n\t"
"DUP V7.16B, WZR\n\t"
"DUP V8.16B, WZR\n\t"
"DUP V9.16B, WZR\n\t"
"DUP V10.16B, WZR\n\t"
"DUP V11.16B, WZR\n\t"
"DUP V12.16B, WZR\n\t"
"DUP V13.16B, WZR\n\t"
"DUP V14.16B, WZR\n\t"
"DUP V15.16B, WZR\n\t"
"DUP V16.16B, WZR\n\t"
"DUP V17.16B, WZR\n\t"
"DUP V18.16B, WZR\n\t"
"DUP V19.16B, WZR\n\t"
"DUP V20.16B, WZR\n\t"
"DUP V21.16B, WZR\n\t"
"DUP V22.16B, WZR\n\t"
"DUP V23.16B, WZR\n\t"
"DUP V24.16B, WZR\n\t"
"DUP V25.16B, WZR\n\t"
"DUP V26.16B, WZR\n\t"
"DUP V27.16B, WZR\n\t"
"DUP V28.16B, WZR\n\t"
"DUP V29.16B, WZR\n\t"
"DUP V30.16B, WZR\n\t"
"DUP V31.16B, WZR\n\t"
"BR X9"::"r"(ctx->registers.x0), "r"(ctx->registers.x1), "r"(address) : "x0", "x1", "x9");
__builtin_unreachable();