feat(build): add MIPS32 LE (mipsle) cross-compilation support (#1051)

Makefile

@@ -18,6 +18,28 @@ LDFLAGS=-ldflags "-X $(INTERNAL).version=$(VERSION) -X $(INTERNAL).gitCommit=$(G
 GO?=CGO_ENABLED=0 go
 GOFLAGS?=-v -tags stdjson
 
+# Patch MIPS LE ELF e_flags (offset 36) for NaN2008-only kernels (e.g. Ingenic X2600).
+#
+# Bytes (octal): \004 \024 \000 \160  →  little-endian 0x70001404
+#   0x70000000  EF_MIPS_ARCH_32R2   MIPS32 Release 2
+#   0x00001000  EF_MIPS_ABI_O32     O32 ABI
+#   0x00000400  EF_MIPS_NAN2008     IEEE 754-2008 NaN encoding
+#   0x00000004  EF_MIPS_CPIC        PIC calling sequence
+#
+# Go's GOMIPS=softfloat emits no FP instructions, so the NaN mode is irrelevant
+# at runtime — this is purely an ELF metadata fix to satisfy the kernel's check.
+# patchelf cannot modify e_flags; dd at a fixed offset is the most portable way.
+#
+# Ref: https://codebrowser.dev/linux/linux/arch/mips/include/asm/elf.h.html
+define PATCH_MIPS_FLAGS
+	@if [ -f "$(1)" ]; then \
+		printf '\004\024\000\160' | dd of=$(1) bs=1 seek=36 count=4 conv=notrunc 2>/dev/null || \
+		{ echo "Error: failed to patch MIPS e_flags for $(1)"; exit 1; }; \
+	else \
+		echo "Error: $(1) not found, cannot patch MIPS e_flags"; exit 1; \
+	fi
+endef
+
 # Golangci-lint
 GOLANGCI_LINT?=golangci-lint
 
@@ -50,6 +72,8 @@ ifeq ($(UNAME_S),Linux)
 		ARCH=loong64
 	else ifeq ($(UNAME_M),riscv64)
 		ARCH=riscv64
+	else ifeq ($(UNAME_M),mipsel)
+		ARCH=mipsle
 	else
 		ARCH=$(UNAME_M)
 	endif
@@ -97,6 +121,8 @@ build-whatsapp-native: generate
 	GOOS=linux GOARCH=arm64 $(GO) build -tags whatsapp_native $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-arm64 ./$(CMD_DIR)
 	GOOS=linux GOARCH=loong64 $(GO) build -tags whatsapp_native $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-loong64 ./$(CMD_DIR)
 	GOOS=linux GOARCH=riscv64 $(GO) build -tags whatsapp_native $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-riscv64 ./$(CMD_DIR)
+	GOOS=linux GOARCH=mipsle GOMIPS=softfloat $(GO) build -tags whatsapp_native $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-mipsle ./$(CMD_DIR)
+	$(call PATCH_MIPS_FLAGS,$(BUILD_DIR)/$(BINARY_NAME)-linux-mipsle)
 	GOOS=darwin GOARCH=arm64 $(GO) build -tags whatsapp_native $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-darwin-arm64 ./$(CMD_DIR)
 	GOOS=windows GOARCH=amd64 $(GO) build -tags whatsapp_native $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-windows-amd64.exe ./$(CMD_DIR)
 ## @$(GO) build $(GOFLAGS) -tags whatsapp_native $(LDFLAGS) -o $(BINARY_PATH) ./$(CMD_DIR)
@@ -117,6 +143,14 @@ build-linux-arm64: generate
 	GOOS=linux GOARCH=arm64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-arm64 ./$(CMD_DIR)
 	@echo "Build complete: $(BUILD_DIR)/$(BINARY_NAME)-linux-arm64"
 
+## build-linux-mipsle: Build for Linux MIPS32 LE
+build-linux-mipsle: generate
+	@echo "Building for linux/mipsle (softfloat)..."
+	@mkdir -p $(BUILD_DIR)
+	GOOS=linux GOARCH=mipsle GOMIPS=softfloat $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-mipsle ./$(CMD_DIR)
+	$(call PATCH_MIPS_FLAGS,$(BUILD_DIR)/$(BINARY_NAME)-linux-mipsle)
+	@echo "Build complete: $(BUILD_DIR)/$(BINARY_NAME)-linux-mipsle"
+
 ## build-pi-zero: Build for Raspberry Pi Zero 2 W (32-bit and 64-bit)
 build-pi-zero: build-linux-arm build-linux-arm64
 	@echo "Pi Zero 2 W builds: $(BUILD_DIR)/$(BINARY_NAME)-linux-arm (32-bit), $(BUILD_DIR)/$(BINARY_NAME)-linux-arm64 (64-bit)"
@@ -130,6 +164,8 @@ build-all: generate
 	GOOS=linux GOARCH=arm64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-arm64 ./$(CMD_DIR)
 	GOOS=linux GOARCH=loong64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-loong64 ./$(CMD_DIR)
 	GOOS=linux GOARCH=riscv64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-riscv64 ./$(CMD_DIR)
+	GOOS=linux GOARCH=mipsle GOMIPS=softfloat $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-mipsle ./$(CMD_DIR)
+	$(call PATCH_MIPS_FLAGS,$(BUILD_DIR)/$(BINARY_NAME)-linux-mipsle)
 	GOOS=linux GOARCH=arm GOARM=7 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-linux-armv7 ./$(CMD_DIR)
 	GOOS=darwin GOARCH=arm64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-darwin-arm64 ./$(CMD_DIR)
 	GOOS=windows GOARCH=amd64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY_NAME)-windows-amd64.exe ./$(CMD_DIR)

README.fr.md

@@ -7,7 +7,7 @@
 
   <p>
     <img src="https://img.shields.io/badge/Go-1.21+-00ADD8?style=flat&logo=go&logoColor=white" alt="Go">
-    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20RISC--V-blue" alt="Hardware">
+    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20MIPS%2C%20RISC--V-blue" alt="Hardware">
     <img src="https://img.shields.io/badge/license-MIT-green" alt="License">
     <br>
     <a href="https://picoclaw.io"><img src="https://img.shields.io/badge/Website-picoclaw.io-blue?style=flat&logo=google-chrome&logoColor=white" alt="Website"></a>
@@ -65,7 +65,7 @@
 
 ⚡️ **Démarrage Éclair** : Temps de démarrage 400X plus rapide, boot en 1 seconde même sur un cœur unique à 0,6 GHz.
 
-🌍 **Véritable Portabilité** : Un seul binaire autonome pour RISC-V, ARM et x86. Un clic et c'est parti !
+🌍 **Véritable Portabilité** : Un seul binaire autonome pour RISC-V, ARM, MIPS et x86. Un clic et c'est parti !
 
 🤖 **Auto-Construit par l'IA** : Implémentation native en Go de manière autonome — 95% du cœur généré par l'Agent avec affinement humain dans la boucle.
 

README.ja.md

@@ -8,7 +8,7 @@
 
 <p>
 <img src="https://img.shields.io/badge/Go-1.21+-00ADD8?style=flat&logo=go&logoColor=white" alt="Go">
-<img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20RISC--V-blue" alt="Hardware">
+<img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20MIPS%2C%20RISC--V-blue" alt="Hardware">
 <img src="https://img.shields.io/badge/license-MIT-green" alt="License">
 </p>
 
@@ -49,7 +49,7 @@
 
 ⚡️ **超高速**: 起動時間 400 倍高速、0.6GHz シングルコアでも 1 秒で起動。
 
-🌍 **真のポータビリティ**: RISC-V、ARM、x86 対応の単一バイナリ。ワンクリックで Go！
+🌍 **真のポータビリティ**: RISC-V、ARM、MIPS、x86 対応の単一バイナリ。ワンクリックで Go！
 
 🤖 **AI ブートストラップ**: 自律的な Go ネイティブ実装 — コアの 95% が AI 生成、人間によるレビュー付き。
 

README.md

@@ -7,7 +7,7 @@
 
   <p>
     <img src="https://img.shields.io/badge/Go-1.21+-00ADD8?style=flat&logo=go&logoColor=white" alt="Go">
-    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20RISC--V-blue" alt="Hardware">
+    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20MIPS%2C%20RISC--V-blue" alt="Hardware">
     <img src="https://img.shields.io/badge/license-MIT-green" alt="License">
     <br>
     <a href="https://picoclaw.io"><img src="https://img.shields.io/badge/Website-picoclaw.io-blue?style=flat&logo=google-chrome&logoColor=white" alt="Website"></a>
@@ -69,7 +69,7 @@
 
 ⚡️ **Lightning Fast**: 400X Faster startup time, boot in 1 second even in 0.6GHz single core.
 
-🌍 **True Portability**: Single self-contained binary across RISC-V, ARM, and x86, One-click to Go!
+🌍 **True Portability**: Single self-contained binary across RISC-V, ARM, MIPS, and x86, One-click to Go!
 
 🤖 **AI-Bootstrapped**: Autonomous Go-native implementation — 95% Agent-generated core with human-in-the-loop refinement.
 

README.pt-br.md

@@ -7,7 +7,7 @@
 
   <p>
     <img src="https://img.shields.io/badge/Go-1.21+-00ADD8?style=flat&logo=go&logoColor=white" alt="Go">
-    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20RISC--V-blue" alt="Hardware">
+    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20MIPS%2C%20RISC--V-blue" alt="Hardware">
     <img src="https://img.shields.io/badge/license-MIT-green" alt="License">
     <br>
     <a href="https://picoclaw.io"><img src="https://img.shields.io/badge/Website-picoclaw.io-blue?style=flat&logo=google-chrome&logoColor=white" alt="Website"></a>
@@ -66,7 +66,7 @@
 
 ⚡️ **Inicialização Relámpago**: Tempo de inicialização 400X mais rápido, boot em 1 segundo mesmo em CPU single-core de 0.6GHz.
 
-🌍 **Portabilidade Real**: Um único binário auto-contido para RISC-V, ARM e x86. Um clique e já era!
+🌍 **Portabilidade Real**: Um único binário auto-contido para RISC-V, ARM, MIPS e x86. Um clique e já era!
 
 🤖 **Auto-Construído por IA**: Implementação nativa em Go de forma autônoma — 95% do núcleo gerado pelo Agente com refinamento humano no loop.
 

README.vi.md

@@ -7,7 +7,7 @@
 
   <p>
     <img src="https://img.shields.io/badge/Go-1.21+-00ADD8?style=flat&logo=go&logoColor=white" alt="Go">
-    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20RISC--V-blue" alt="Hardware">
+    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20MIPS%2C%20RISC--V-blue" alt="Hardware">
     <img src="https://img.shields.io/badge/license-MIT-green" alt="License">
     <br>
     <a href="https://picoclaw.io"><img src="https://img.shields.io/badge/Website-picoclaw.io-blue?style=flat&logo=google-chrome&logoColor=white" alt="Website"></a>
@@ -65,7 +65,7 @@
 
 ⚡️ **Khởi động siêu nhanh**: Nhanh gấp 400 lần, khởi động trong 1 giây ngay cả trên CPU đơn nhân 0.6GHz.
 
-🌍 **Di động thực sự**: Một file binary duy nhất chạy trên RISC-V, ARM và x86. Một click là chạy!
+🌍 **Di động thực sự**: Một file binary duy nhất chạy trên RISC-V, ARM, MIPS và x86. Một click là chạy!
 
 🤖 **AI tự xây dựng**: Triển khai Go-native tự động — 95% mã nguồn cốt lõi được Agent tạo ra, với sự tinh chỉnh của con người.
 

README.zh.md

@@ -7,7 +7,7 @@
 
   <p>
     <img src="https://img.shields.io/badge/Go-1.21+-00ADD8?style=flat&logo=go&logoColor=white" alt="Go">
-    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20RISC--V-blue" alt="Hardware">
+    <img src="https://img.shields.io/badge/Arch-x86__64%2C%20ARM64%2C%20MIPS%2C%20RISC--V-blue" alt="Hardware">
     <img src="https://img.shields.io/badge/license-MIT-green" alt="License">
     <br>
     <a href="https://picoclaw.io"><img src="https://img.shields.io/badge/Website-picoclaw.io-blue?style=flat&logo=google-chrome&logoColor=white" alt="Website"></a>
@@ -67,7 +67,7 @@
 
 ⚡️ **闪电启动**: 启动速度快 400 倍，即使在 0.6GHz 单核处理器上也能在 1 秒内启动。
 
-🌍 **真正可移植**: 跨 RISC-V、ARM 和 x86 架构的单二进制文件，一键运行！
+🌍 **真正可移植**: 跨 RISC-V、ARM、MIPS 和 x86 架构的单二进制文件，一键运行！
 
 🤖 **AI 自举**: 纯 Go 语言原生实现 — 95% 的核心代码由 Agent 生成，并经由“人机回环 (Human-in-the-loop)”微调。