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我的理解是scall和ecall在riscv. 但是,qemu riscv scall实现不同于尖峰ecall实现。请你解释一下区别。谢谢。
scall
ecall
riscv
qemu
QEMU 目前对于 RISC-V 的最新权限规范来说已经过时了。如有疑问,假设尖峰是正确的。