mipsevm: mv go mod, create cannon command

cmd/gen_proof.go

+package cmd
+
+import "github.com/urfave/cli/v2"
+
+func GenProof(ctx *cli.Context) error {
+	// TODO
+	return nil
+}
+
+var GenProofCommand = &cli.Command{
+	Name:        "gen-proof",
+	Usage:       "",
+	Description: "",
+	Action:      GenProof,
+	Flags:       nil,
+}

cmd/load_elf.go

+package cmd
+
+import "github.com/urfave/cli/v2"
+
+func LoadELF(ctx *cli.Context) error {
+	// TODO
+	return nil
+}
+
+var LoadELFCommand = &cli.Command{
+	Name:        "load-elf",
+	Usage:       "",
+	Description: "",
+	Action:      LoadELF,
+	Flags:       nil,
+}

cmd/run_steps.go

+package cmd
+
+import "github.com/urfave/cli/v2"
+
+func RunSteps(ctx *cli.Context) error {
+	// TODO
+	return nil
+}
+
+var RunStepsCommand = &cli.Command{
+	Name:        "run-steps",
+	Usage:       "",
+	Description: "",
+	Action:      RunSteps,
+	Flags:       nil,
+}

mipsevm/go.mod → go.mod

-module mipsevm
+module cannon
 
 go 1.20
 
@@ -60,7 +60,7 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-replace github.com/ethereum-optimism/cannon/preimage v0.0.0 => ../preimage
+replace github.com/ethereum-optimism/cannon/preimage v0.0.0 => ./preimage
 
 // We need to point to our local Unicorn clone for the shared object to be located correctly in all our Go commands.
 // See https://github.com/unicorn-engine/unicorn/blob/7b8c63dfe650b5d4d2bf684526161971925e6350/bindings/go/unicorn/unicorn.go#L11
@@ -70,4 +70,4 @@ replace github.com/ethereum-optimism/cannon/preimage v0.0.0 => ../preimage
 // If you are importing Cannon as a library you will need to also point it to a unicorn clone with a `replace`
 // in your `go.mod` (or `go.work`), or use `go build -ldflags="-L../path/to/my/unicorn/build -lunicorn`,
 // or simply have it installed globally so Go can find it. The `replace` here will be ignored as library-user.
-replace github.com/unicorn-engine/unicorn v0.0.0-20230207094436-7b8c63dfe650 => ../unicorn
+replace github.com/unicorn-engine/unicorn v0.0.0-20230207094436-7b8c63dfe650 => ./unicorn

main.go

+package main
+
+import (
+	"github.com/urfave/cli/v2"
+
+	"cannon/cmd"
+)
+
+func main() {
+	app := cli.NewApp()
+	app.Name = "cannon"
+	app.Usage = "MIPS Fault Proof tool"
+	app.Description = "MIPS Fault Proof tool"
+	app.Commands = []*cli.Command{
+		cmd.LoadELFCommand,
+		cmd.RunStepsCommand,
+		cmd.GenProofCommand,
+	}
+}