package riscvemu

// EEI (Execution Environment Interface) is the enivronment in which RISC-V
// code is run.
type EEI interface {
	ReadByte(addr uint32) (byte, error)
	Read16(addr uint32) (uint16, error)
	Read32(addr uint32) (uint32, error)

	WriteByte(addr uint32, value byte) error
	Write16(addr uint32, value uint16) error
	Write32(addr, value uint32) error

	Syscall()

	Trap() (bool, error)
}