core, build: reintroduce evmone

.gitignore

@@ -57,3 +57,7 @@ cmd/geth/geth
 cmd/rlpdump/rlpdump
 cmd/workload/workload
 cmd/keeper/keeper
+
+geth
+cmd/keeper/keeper-zisk
+keeper-zisk.elf

.gitmodules

@@ -6,3 +6,6 @@
 	path = tests/evm-benchmarks
 	url = https://github.com/ipsilon/evm-benchmarks
 	shallow = true
+[submodule "evmone"]
+	path = evmone
+	url = https://github.com/ethereum/evmone

build/ci.go

@@ -123,6 +123,34 @@ var (
 			Name: "example",
 			Tags: "example",
 		},
+		{
+			Name: "example-evmone",
+			Tags: "example,evmone",
+		},
+		{
+			Name:   "ziren-evmone",
+			GOOS:   "linux",
+			GOARCH: "mipsle",
+			CC:     "mipsel-linux-gnu-gcc",
+			Tags:   "ziren,evmone",
+			Env:    map[string]string{"GOMIPS": "softfloat", "CGO_ENABLED": "1"},
+		},
+		{
+			// WASM targets cannot use CGO, so evmone falls back to Go interpreter.
+			// The evmone tag is included for uniformity with other evmone targets.
+			Name:   "wasm-js-evmone",
+			GOOS:   "js",
+			GOARCH: "wasm",
+			Tags:   "example,evmone",
+		},
+		{
+			// WASM targets cannot use CGO, so evmone falls back to Go interpreter.
+			// The evmone tag is included for uniformity with other evmone targets.
+			Name:   "wasm-wasi-evmone",
+			GOOS:   "wasip1",
+			GOARCH: "wasm",
+			Tags:   "example,evmone",
+		},
 	}
 
 	// A debian package is created for all executables listed here.
@@ -288,6 +316,28 @@ func doInstallKeeper(cmdline []string) {
 		tc.Root = build.DownloadGo(csdb)
 	}
 
+	// Pre-build evmone static libraries for targets that need them.
+	builtEvmone := make(map[string]bool)
+	for _, target := range keeperTargets {
+		if !strings.Contains(target.Tags, "evmone") {
+			continue
+		}
+		// Skip targets where CGO is disabled or unavailable.
+		if target.GOARCH == "wasm" || target.Env["CGO_ENABLED"] == "0" {
+			continue
+		}
+		evmoneTarget := "native"
+		if target.GOARCH != "" {
+			evmoneTarget = target.GOARCH
+		}
+		if builtEvmone[evmoneTarget] {
+			continue
+		}
+		log.Printf("Building evmone library for %s", evmoneTarget)
+		build.MustRun(exec.Command("./evmone/build.sh", evmoneTarget))
+		builtEvmone[evmoneTarget] = true
+	}
+
 	for _, target := range keeperTargets {
 		log.Printf("Building keeper-%s", target.Name)
 

cmd/keeper/zisk.ld

@@ -0,0 +1,45 @@
+OUTPUT_FORMAT("elf64-littleriscv")
+OUTPUT_ARCH("riscv")
+ENTRY(_rt0_riscv64_tamago)
+
+MEMORY {
+  rom   (xa) : ORIGIN = 0x80000000, LENGTH = 0x08000000
+  ram   (wxa) : ORIGIN = 0xa0000000, LENGTH = 0x20000000
+}
+
+PHDRS {
+  text PT_LOAD FLAGS(5);
+  rodata PT_LOAD FLAGS(4);
+  data PT_LOAD FLAGS(6);
+  bss PT_LOAD FLAGS(6);
+}
+
+SECTIONS
+{
+  .text : { *(.text.init) *(.text .text.*) } >rom AT>rom :text
+
+  . = ALIGN(8);
+  PROVIDE(_global_pointer = .);
+  .rodata : { *(.rodata .rodata.*) } >rom AT>rom :rodata
+
+  .data : { *(.data .data.* .sdata .sdata.*) } >ram AT>ram :data
+
+  . = ALIGN(8);
+  .bss : {
+    PROVIDE(_bss_start = .);
+    *(.bss .bss.* .sbss .sbss.*);
+    PROVIDE(_bss_end = .);
+  } >ram AT>ram :bss
+
+  . = ALIGN(8);
+  .noptrbss : { *(.noptrbss) } >ram AT>ram :bss
+
+  . = ALIGN(8);
+  PROVIDE(_init_stack_top = . + 0x800000);
+
+  PROVIDE(_kernel_heap_bottom = _init_stack_top);
+  PROVIDE(_kernel_heap_top = ORIGIN(ram) + LENGTH(ram));
+  PROVIDE(_kernel_heap_size = _kernel_heap_top - _kernel_heap_bottom);
+
+  _end = .;
+}