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[Qemu-devel] [PATCH v4 12/12] linux-user: AArch64 requires at least 3.8.
From: |
John Rigby |
Subject: |
[Qemu-devel] [PATCH v4 12/12] linux-user: AArch64 requires at least 3.8.0 |
Date: |
Mon, 13 May 2013 22:33:00 -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>
---
Changes in v4:
- Go back to original way of doing this as I lack the config-fu
to do it via changes in configure
linux-user/syscall.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 3345508..171424e 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 v4 02/12] ARM: Export cpu_env, (continued)
- [Qemu-devel] [PATCH v4 02/12] ARM: Export cpu_env, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 03/12] ARM: Prepare translation for AArch64 code, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 04/12] ARM: Add AArch64 translation stub, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 05/12] AArch64: Add gdb stub, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 06/12] linux-user: Don't treat aarch64 cpu names specially, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 07/12] linux-user: Add syscall handling for AArch64, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 08/12] linux-user: Fix up AArch64 syscall handlers, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 09/12] linux-user: Add signal handling for AArch64, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 10/12] linux-user: Add AArch64 support, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 11/12] ARM: Add aarch64 target to configure, John Rigby, 2013/05/14
- [Qemu-devel] [PATCH v4 12/12] linux-user: AArch64 requires at least 3.8.0,
John Rigby <=