DragonOS-Community/riscv: Low level access to RISC-V processors @ f1734229ab6d42f45d785d7a65426b2b10d6224e

réplica de https://github.com/DragonOS-Community/riscv

dkhayes117 f1734229ab Make pmp_byte() more consise, replace panic!(), and option<Permission>		%!s(int64=4) %!d(string=hai) anos
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register	f1734229ab Make pmp_byte() more consise, replace panic!(), and option<Permission>	%!s(int64=4) %!d(string=hai) anos
asm.rs	5211b5b699 Replace asm! with llvm_asm!	%!s(int64=5) %!d(string=hai) anos
interrupt.rs	184d511b1c fix cargo fmt	%!s(int64=5) %!d(string=hai) anos
lib.rs	2daf0d2e76 Update MSRV to 1.42	%!s(int64=5) %!d(string=hai) anos