From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34508) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UtiCp-000574-Fh for qemu-devel@nongnu.org; Mon, 01 Jul 2013 13:48:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Uti0f-0002xC-8d for qemu-devel@nongnu.org; Mon, 01 Jul 2013 13:35:33 -0400 Received: from mnementh.archaic.org.uk ([81.2.115.146]:32885) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uti0f-0002vc-0Q for qemu-devel@nongnu.org; Mon, 01 Jul 2013 13:35:29 -0400 From: Peter Maydell Date: Mon, 1 Jul 2013 18:35:17 +0100 Message-Id: <1372700120-8896-19-git-send-email-peter.maydell@linaro.org> In-Reply-To: <1372700120-8896-1-git-send-email-peter.maydell@linaro.org> References: <1372700120-8896-1-git-send-email-peter.maydell@linaro.org> Subject: [Qemu-devel] [PATCH v5 18/21] linux-user: AArch64 requires at least 3.8.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Andreas Schwab , Alexander Graf , "Mian M. Hamayun" , patches@linaro.org From: Alexander Graf Glibc 1.17 checks for the host kernel version on startup. Unfortunately, it also checks whether the host kernel version is recent enough for the target to run at all. Since AArch64 support only got introduced in 3.8.0, that means that glibc refuses to run on any older kernel version than that. To allow for execution of linux-user guests even on older host kernels, let's always fake the kernel version to 3.8.0 on AArch64 guests. Signed-off-by: Alexander Graf Signed-off-by: John Rigby Message-id: 1368505980-17151-13-git-send-email-john.rigby@linaro.org Signed-off-by: Peter Maydell --- linux-user/syscall.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 802ec95..c2497e4 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -304,7 +304,12 @@ static int sys_uname(struct new_utsname *buf) memset(buf, 0, sizeof(*buf)); COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname); COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename); +#ifdef TARGET_AARCH64 + /* glibc refuses to run on older kernels */ + COPY_UTSNAME_FIELD(buf->release, "3.8.0"); +#else COPY_UTSNAME_FIELD(buf->release, uts_buf.release); +#endif COPY_UTSNAME_FIELD(buf->version, uts_buf.version); COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine); #ifdef _GNU_SOURCE -- 1.7.9.5