Runtime error running on RISCV

[Shuumatsu]

cd zCore
make run arch=riscv64 linux=1

按照 Quick start for RISCV64 执行后出现运行时异常

OpenSBI v0.8
   ____                    _____ ____ _____
  / __ \                  / ____|  _ \_   _|
 | |  | |_ __   ___ _ __ | (___ | |_) || |
 | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
 | |__| | |_) |  __/ | | |____) | |_) || |_
  \____/| .__/ \___|_| |_|_____/|____/_____|
        | |
        |_|

Platform Name       : riscv-virtio,qemu
Platform Features   : timer,mfdeleg
Platform HART Count : 1
Boot HART ID        : 0
Boot HART ISA       : rv64imafdcsu
BOOT HART Features  : pmp,scounteren,mcounteren,time
BOOT HART PMP Count : 16
Firmware Base       : 0x80000000
Firmware Size       : 92 KB
Runtime SBI Version : 0.2

MIDELEG : 0x0000000000000222
MEDELEG : 0x000000000000b109
PMP0    : 0x0000000080000000-0x000000008001ffff (A)
PMP1    : 0x0000000000000000-0xffffffffffffffff (A,R,W,X)
[334.8694ms  WARN 0 0:0] rust_main(), After logging init


Uart output testing
+++ Setting up UART interrupts +++
+++ Setting up PLIC +++
+++ setup interrupt +++
Exception::Breakpoint: A breakpoint set @0xffffffff8034bdd2 
Setup virtio @devicetree 0xffffffff87e00000
[417.9476ms ERROR 0 0:0] 

panicked at 'attempt to create unaligned or null slice', /home/curry/.rustup/toolchains/nightly-2021-07-27-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/raw.rs:130:5

[DeathWish5]

Fixed by PR#202.