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[Qemu-devel] [PATCH v3 06/12] linux-user: AArch64 requires at least 3.8.
From: |
John Rigby |
Subject: |
[Qemu-devel] [PATCH v3 06/12] linux-user: AArch64 requires at least 3.8.0 |
Date: |
Mon, 13 May 2013 00:29:11 -0600 |
From: Alexander Graf <address@hidden>
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>
Signed-off-by: John Rigby <address@hidden>
---
linux-user/syscall.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 30e93bc..1c23314 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -316,7 +316,12 @@ 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
--
1.8.2.2
- [Qemu-devel] [PATCH v3 00/12] AArch64 preparation patch set, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 01/12] ARM: Export cpu_env, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 02/12] ARM: Prepare translation for AArch64 code, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 04/12] AArch64: Add gdb stub, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 03/12] ARM: Add AArch64 translation stub, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 05/12] linux-user: Don't treat aarch64 cpu names specially, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 06/12] linux-user: AArch64 requires at least 3.8.0,
John Rigby <=
- [Qemu-devel] [PATCH v3 07/12] linux-user: Add syscall handling for AArch64, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 08/12] linux-user: Fix up AArch64 syscall handlers, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 09/12] linux-user: Add signal handling for AArch64, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 10/12] linux-user: Add AArch64 support, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 11/12] ARM: Add aarch64 target to configure, John Rigby, 2013/05/13
- [Qemu-devel] [PATCH v3 12/12] linux-user: AArch64 requires at least 3.8.0, John Rigby, 2013/05/13