From: don.hong <don.hong@samsung.com>
Date: Fri, 30 Mar 2012 06:33:35 +0000 (+0900)
Subject: [Title] Modify uname system call to return machine field catenated with "_emulated"
X-Git-Tag: 2.2.1_release^2~142^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7ab14c2ee796c0e80e61e7ffc035047afe531a7b;p=sdk%2Femulator%2Femulator-kernel.git

[Title] Modify uname system call to return machine field catenated with "_emulated"
[Type] Feature
[Module]
[Priority]
[CQ#]
[Redmine#]
[Problem]
[Cause]
[Solution]
[TestCase]

Change-Id: I54e2b46351782338596f8545f9573b68ecdc49b5
---

diff --git a/kernel/sys.c b/kernel/sys.c
index ce17760d9c51..7c9cfdcd84c7 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1120,11 +1120,23 @@ DECLARE_RWSEM(uts_sem);
 SYSCALL_DEFINE1(newuname, struct new_utsname __user *, name)
 {
 	int errno = 0;
+#ifdef CONFIG_MARU
+	struct new_utsname u;
 
+	down_read(&uts_sem);
+	memcpy(&u, utsname(), sizeof *name);
+	up_read(&uts_sem);
+
+	strcat(u.machine, "_emulated");
+	
+	if (copy_to_user(name, &u, sizeof *name))
+		errno = -EFAULT;
+#else
 	down_read(&uts_sem);
 	if (copy_to_user(name, utsname(), sizeof *name))
 		errno = -EFAULT;
 	up_read(&uts_sem);
+#endif
 	return errno;
 }