From: George Sapkin <george@sapk.in>
Date: Sat, 1 Nov 2025 22:27:22 +0000 (+0200)
Subject: golang: set GOARM64 based on CONFIG_CPU_TYPE
X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=bfd5e0e899daa872d2fc0140fe2db9d501a3bec7;p=feed%2Fpackages.git

golang: set GOARM64 based on CONFIG_CPU_TYPE

Fixes: https://github.com/openwrt/packages/issues/26852
Signed-off-by: George Sapkin <george@sapk.in>
---

diff --git a/lang/golang/golang-package.mk b/lang/golang/golang-package.mk
index cc00505368..8edcb278c5 100644
--- a/lang/golang/golang-package.mk
+++ b/lang/golang/golang-package.mk
@@ -200,6 +200,7 @@ GO_PKG_TARGET_VARS= \
 	GO386="$(GO_386)" \
 	GOAMD64="$(GO_AMD64)" \
 	GOARM="$(GO_ARM)" \
+	GOARM64="$(GO_ARM64)" \
 	GOMIPS="$(GO_MIPS)" \
 	GOMIPS64="$(GO_MIPS64)" \
 	GOPPC64="$(GO_PPC64)" \
diff --git a/lang/golang/golang-values.mk b/lang/golang/golang-values.mk
index 727739e2d2..06e6cec38f 100644
--- a/lang/golang/golang-values.mk
+++ b/lang/golang/golang-values.mk
@@ -147,6 +147,34 @@ GO_HOST_ARCH:=$(call go_arch,$(subst \
   i686,i386,$(HOST_ARCH)))))
 GO_HOST_OS_ARCH:=$(GO_HOST_OS)_$(GO_HOST_ARCH)
 
+# Filter lists for ARM64 cores
+# See https://en.wikipedia.org/wiki/ARM_architecture_family#Cores
+GO_ARM64_V8_0_CORES= \
+  cortex-a34 \
+  cortex-a35 \
+  cortex-a53 \
+  cortex-a57 \
+  cortex-a72 \
+  cortex-a73
+GO_ARM64_V8_2_CORES= \
+  cortex-a55 \
+  cortex-a65 \
+  cortex-a75 \
+  cortex-a76 \
+  cortex-a77 \
+  cortex-a78 \
+  cortex-x1
+GO_ARM64_V9_0_CORES= \
+  cortex-a510 \
+  cortex-a710 \
+  cortex-a715 \
+  cortex-x2 \
+  cortex-x3
+GO_ARM64_V9_2_CORES= \
+  cortex-a520 \
+  cortex-a720 \
+  cortex-x4
+
 ifeq ($(GO_OS_ARCH),$(GO_HOST_OS_ARCH))
   GO_HOST_TARGET_SAME:=1
 else
@@ -180,6 +208,22 @@ else ifeq ($(GO_ARCH),arm)
     GO_ARM:=7
   endif
 
+else ifeq ($(GO_ARCH),arm64)
+  GO_TARGET_CPU:=$(call qstrip,$(CONFIG_CPU_TYPE))
+
+  ifneq ($(filter $(GO_TARGET_CPU),$(GO_ARM64_V8_0_CORES)),)
+    GO_ARM64:=v8.0
+  else ifneq ($(filter $(GO_TARGET_CPU),$(GO_ARM64_V8_2_CORES)),)
+    GO_ARM64:=v8.2
+  else ifneq ($(filter $(GO_TARGET_CPU),$(GO_ARM64_V9_0_CORES)),)
+    GO_ARM64:=v9.0
+  else ifneq ($(filter $(GO_TARGET_CPU),$(GO_ARM64_V9_2_CORES)),)
+    GO_ARM64:=v9.2
+  else
+    # Unknown CPU, assume baseline
+    GO_ARM64:=v8.0
+  endif
+
 else ifneq ($(filter $(GO_ARCH),mips mipsle),)
   ifeq ($(CONFIG_HAS_FPU),y)
     GO_MIPS:=hardfloat
diff --git a/lang/golang/golang/Makefile b/lang/golang/golang/Makefile
index 5d4eb1ebac..b525386ee9 100644
--- a/lang/golang/golang/Makefile
+++ b/lang/golang/golang/Makefile
@@ -12,7 +12,7 @@ GO_VERSION_PATCH:=4
 
 PKG_NAME:=golang
 PKG_VERSION:=$(GO_VERSION_MAJOR_MINOR)$(if $(GO_VERSION_PATCH),.$(GO_VERSION_PATCH))
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 GO_SOURCE_URLS:=https://dl.google.com/go/ \
                 https://mirrors.ustc.edu.cn/golang/ \
@@ -357,6 +357,7 @@ PKG_GO_ZBOOTSTRAP_MODS:= \
 	s/defaultGO386 = `[^`]*`/defaultGO386 = `$(or $(GO_386),sse2)`/; \
 	s/defaultGOAMD64 = `[^`]*`/defaultGOAMD64 = `$(or $(GO_AMD64),v1)`/; \
 	s/defaultGOARM = `[^`]*`/defaultGOARM = `$(or $(GO_ARM),7)`/; \
+	s/defaultGOARM64 = `[^`]*`/defaultGOARM64 = `$(or $(GO_ARM64),v8.0)`/; \
 	s/defaultGOMIPS = `[^`]*`/defaultGOMIPS = `$(or $(GO_MIPS),hardfloat)`/; \
 	s/defaultGOMIPS64 = `[^`]*`/defaultGOMIPS64 = `$(or $(GO_MIPS64),hardfloat)`/; \
 	s/defaultGOPPC64 = `[^`]*`/defaultGOPPC64 = `$(or $(GO_PPC64),power8)`/;