From b055174e9e791d6c725dad7a7c240ddf82d24c93 Mon Sep 17 00:00:00 2001
From: Guoqi Chen <chenguoqi@loongson.cn>
Date: Fri, 13 Jan 2023 13:07:06 +0800
Subject: [PATCH 1/2] cpu: Add the matching rule "Model Name" when parsing
 cpuinfo

This is to fix the error of running TestCpuInfo on Linux/long64. In loong64
/proc/cpuinfo, the model name is capitalize the first letter

Reference:
  https://github.com/torvalds/linux/blob/master/arch/loongarch/kernel/proc.c

Signed-off-by: Guoqi Chen <chenguoqi@loongson.cn>
---
 cpu/cpu_linux.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpu/cpu_linux.go b/cpu/cpu_linux.go
index a60e462..22e487a 100644
--- a/cpu/cpu_linux.go
+++ b/cpu/cpu_linux.go
@@ -253,7 +253,7 @@ func InfoWithContext(ctx context.Context) ([]InfoStat, error) {
 					}
 				}
 			}
-		case "model name", "cpu":
+		case "Model Name", "model name", "cpu":
 			c.ModelName = value
 			if strings.Contains(value, "POWER8") ||
 				strings.Contains(value, "POWER7") {

From b793d83f72b9a3166ba1ad2b61f08c502538557e Mon Sep 17 00:00:00 2001
From: Guoqi Chen <chenguoqi@loongson.cn>
Date: Thu, 13 Jan 2022 15:55:13 +0800
Subject: [PATCH 2/2] host: add support for linux/loong64

Updates #1338.

Signed-off-by: Guoqi Chen <chenguoqi@loongson.cn>
Co-authored-by: Jiantao Shan <shanjiantao@loongson.cn>
---
 Makefile                   |  2 ++
 host/host_linux_loong64.go | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 host/host_linux_loong64.go

diff --git a/Makefile b/Makefile
index 9f6639e..ff73a0c 100644
--- a/Makefile
+++ b/Makefile
@@ -17,6 +17,7 @@ build_test:  ## test only buildable
 	GOOS=linux GOARCH=386 go test ./... | $(BUILD_FAIL_PATTERN)
 	GOOS=linux GOARCH=arm go test ./... | $(BUILD_FAIL_PATTERN)
 	GOOS=linux GOARCH=arm64 go test ./... | $(BUILD_FAIL_PATTERN)
+	GOOS=linux GOARCH=loong64 go test ./... | $(BUILD_FAIL_PATTERN)
 	GOOS=linux GOARCH=riscv64 go test ./... | $(BUILD_FAIL_PATTERN)
 	GOOS=freebsd GOARCH=amd64 go test ./... | $(BUILD_FAIL_PATTERN)
 	GOOS=freebsd GOARCH=386 go test ./... | $(BUILD_FAIL_PATTERN)
@@ -51,6 +52,7 @@ vet:
 	GOOS=linux GOARCH=amd64 go vet ./...
 	GOOS=linux GOARCH=arm64 go vet ./...
 	GOOS=linux GOARCH=arm go vet ./...
+	GOOS=linux GOARCH=loong64 go vet ./...
 	GOOS=linux GOARCH=mips64 go vet ./...
 	GOOS=linux GOARCH=mips64le go vet ./...
 	GOOS=linux GOARCH=mips go vet ./...
diff --git a/host/host_linux_loong64.go b/host/host_linux_loong64.go
new file mode 100644
index 0000000..edf1be5
--- /dev/null
+++ b/host/host_linux_loong64.go
@@ -0,0 +1,48 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs host/types_linux.go
+
+//go:build linux && loong64
+// +build linux,loong64
+
+package host
+
+const (
+	sizeofPtr      = 0x8
+	sizeofShort    = 0x2
+	sizeofInt      = 0x4
+	sizeofLong     = 0x8
+	sizeofLongLong = 0x8
+	sizeOfUtmp     = 0x190
+)
+
+type (
+	_C_short     int16
+	_C_int       int32
+	_C_long      int64
+	_C_long_long int64
+)
+
+type (
+	utmp struct {
+		Type              int16
+		Pid               int32
+		Line              [32]int8
+		Id                [4]int8
+		User              [32]int8
+		Host              [256]int8
+		Exit              exit_status
+		Session           int64
+		Tv                timeval
+		Addr_v6           [4]int32
+		X__glibc_reserved [20]int8
+		Pad_cgo_0         [4]byte
+	}
+	exit_status struct {
+		Termination int16
+		Exit        int16
+	}
+	timeval struct {
+		Sec  int64
+		Usec int64
+	}
+)