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[Qemu-devel] [PATCH 07/12] linux-user: AArch64 requires at least 3.8.0
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH 07/12] linux-user: AArch64 requires at least 3.8.0 |
Date: |
Wed, 6 Mar 2013 03:01:15 +0100 |
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 <address@hidden>
---
linux-user/syscall.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 19630ea..38c0711 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -313,7 +313,12 @@ 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_ARM64
+ /* 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
--
1.6.0.2
- Re: [Qemu-devel] [PATCH 12/12] ARM: Add arm64 target to configure, (continued)
- [Qemu-devel] [PATCH 05/12] AArch64: Add gdb stub, Alexander Graf, 2013/03/05
- [Qemu-devel] [PATCH 07/12] linux-user: AArch64 requires at least 3.8.0,
Alexander Graf <=
- [Qemu-devel] [PATCH 11/12] linux-user: Add AArch64 support, Alexander Graf, 2013/03/05
- [Qemu-devel] [PATCH 01/12] ARM: Extract the disas struct to a header file, Alexander Graf, 2013/03/05
- [Qemu-devel] [PATCH 06/12] linux-user: Don't treat aarch64 cpu names specially, Alexander Graf, 2013/03/05
- [Qemu-devel] [PATCH 08/12] linux-user: Add syscall handling for AArch64, Alexander Graf, 2013/03/05
- [Qemu-devel] [PATCH 10/12] linux-user: Add signal handling for AArch64, Alexander Graf, 2013/03/05
- [Qemu-devel] [PATCH 04/12] ARM: Add AArch64 translation stub, Alexander Graf, 2013/03/05