mipsevm: minimal VM state

mipsevm/state.go

+package main
+
+const (
+	pageAddrSize = 10
+	pageSize     = 1 << pageAddrSize
+)
+
+type Page [pageSize]byte
+
+type State struct {
+	PC        uint32
+	Registers [32]uint32
+	Hi, Lo    uint32 // special registers
+	Heap      uint32 // to handle mmap growth
+
+	Memory map[uint32]*Page
+
+	Exit   uint32
+	Exited bool
+}
+
+// TODO hooks for unicorn to modify the state
+
+// TODO merkleization
+
+// TODO load from JSON
+
+// TODO store to JSON
+
+// TODO hooks to detect state reads/writes
+// -> maintain access-list
+
+// TODO load Unicorn with hooks
+
+// TODO convert access-list to calldata and state-sets for EVM