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meso: makefile improvements, sysreg accessors

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This commit is contained in:
Michael Scire 2020-01-29 05:37:14 -08:00
parent 507ab46709
commit ad0d2faa6c
4 changed files with 32 additions and 5 deletions
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12
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
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@ -71,4 +71,16 @@ namespace ams::kern::arm64::cpu {
EnsureInstructionConsistency();
}
ALWAYS_INLINE uintptr_t GetCoreLocalRegionAddress() {
register uintptr_t x18 asm("x18");
__asm__ __volatile__("" : [x18]"=r"(x18));
return x18;
}
ALWAYS_INLINE void SetCoreLocalRegionAddress(uintptr_t value) {
register uintptr_t x18 asm("x18") = value;
__asm__ __volatile__("":: [x18]"r"(x18));
SetTpidrEl1(value);
}
}