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Alexander Graf a70daba377 linux-user: Tell guest about big host page sizes 
We tell the guest its page size via AUX vectors. The guest process then uses
this page size as information on which boundaries it can mmap() things.

However, if the host has a bigger page size granularity than the guest, it can
not fulfill these mmap() requests - which falls apart when MAP_FIXED is passed
to mmap.

So in that case, let the guest know that we're running on a bigger page size
granularity than the target would require.

This fixes running qemu-ppc (TARGET_PAGE_SIZE=4k) on a 64k page size ppc64 host
for me.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Richard Henderson <rth@twiddle.net>
 		2014-06-16 13:24:45 +02:00
..
aarch64
…
alpha linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
arm linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
cris linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
i386 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
m68k cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00
microblaze linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
mips linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
mips64 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
openrisc linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
ppc target-ppc: Support little-endian PPC64 in user mode. 2014-06-16 13:24:40 +02:00
s390x linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
sh4 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
sparc linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
sparc64 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
unicore32 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
x86_64 linux-user: set minimum kernel version to 2.6.32 2014-03-10 13:55:00 +02:00
Makefile.objs linux-user: rename cpu-uname -> uname 2014-05-02 21:59:36 +03:00
elfload.c linux-user: Tell guest about big host page sizes 2014-06-16 13:24:45 +02:00
errno_defs.h
…
flat.h
…
flatload.c
…
ioctls.h
…
linux_loop.h
…
linuxload.c cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00
m68k-sim.c exec: Change cpu_abort() argument to CPUState 2014-03-13 19:52:28 +01:00
main.c target-ppc: Store Quadword Conditional Drops Size Bit 2014-06-16 13:24:40 +02:00
mmap.c
…
qemu.h softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
signal.c linux-user/signal.c: Set fault address in AArch64 signal info 2014-05-02 21:59:36 +03:00
socket.h
…
strace.c
…
strace.list
…
syscall.c linux-user: fix getrusage and wait4 failures with invalid rusage struct 2014-05-05 15:21:05 +03:00
syscall_defs.h linux-user: avoid using glibc internals in _syscall5 and in definition of target_sigevent struct 2014-05-02 21:59:28 +03:00
syscall_types.h
…
target_flat.h
…
uaccess.c
…
uname.c linux-user: remove configure option for setting uname release 2014-05-02 21:59:36 +03:00
uname.h linux-user: move uname functions to uname.c 2014-05-02 21:59:36 +03:00
vm86.c cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00