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unicorn/qemu
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Michael Weiser 5fabebabee
target/arm: Fix stlxp for aarch64_be 
ldxp loads two consecutive doublewords from memory regardless of CPU
endianness. On store, stlxp currently assumes to work with a 128bit
value and consequently switches order in big-endian mode. With this
change it packs the doublewords in reverse order in anticipation of the
128bit big-endian store operation interposing them so they end up in
memory in the right order. This makes it work for both MTTCG and !MTTCG.
It effectively implements the ARM ARM STLXP operation pseudo-code:

data = if BigEndian() then el1:el2 else el2:el1;

With this change an aarch64_be Linux 4.14.4 kernel succeeds to boot up
in system emulation mode.

Backports commit 0785557f8811133bd69be02aeccf018d47a26373 from qemu
2018-03-06 08:48:12 -05:00
..
accel tcg: Merge opcode arguments into TCGOp 2018-03-05 04:45:20 -05:00
crypto crypto: Clean up includes 2018-02-19 00:47:40 -05:00
default-configs arm64eb: add support for ARM64 big endian. 2017-04-24 23:30:01 +08:00
docs docs: clarify memory region lifecycle 2018-02-12 15:11:21 -05:00
fpu softfloat: define floatx80_round() 2018-03-03 20:57:27 -05:00
hw mips: replace cpu_mips_init() with cpu_generic_init() 2018-03-05 00:49:10 -05:00
include tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
qapi qapi: add explicit null to string input and output visitors 2018-03-03 20:32:50 -05:00
qobject qnum: add uint type 2018-03-03 18:37:56 -05:00
qom qom: introduce type_register_static_array() 2018-03-05 03:49:50 -05:00
scripts scripts: use build_ prefix for string not piped through cgen() 2018-03-03 22:11:28 -05:00
target target/arm: Fix stlxp for aarch64_be 2018-03-06 08:48:12 -05:00
tcg tcg: Add tcg_signed_cond 2018-03-05 16:55:17 -05:00
util sparc: Make sure we mmap at SHMLBA alignment 2018-03-05 14:09:58 -05:00
aarch64.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
aarch64eb.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
accel.c clean-up: removed duplicate #includes 2018-02-28 08:51:56 -05:00
arm.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
armeb.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
atomic_template.h tcg: Record code_gen_buffer address for user-only memory helpers 2018-03-05 13:48:27 -05:00
CODING_STYLE import 2015-08-21 15:04:50 +08:00
configure build: disable -Wmissing-braces on older compilers 2018-03-05 11:29:54 -05:00
COPYING import 2015-08-21 15:04:50 +08:00
COPYING.LIB import 2015-08-21 15:04:50 +08:00
cpu-exec-common.c tcg: Add EXCP_ATOMIC 2018-02-27 11:57:58 -05:00
cpu-exec.c exec-all: extract tb->tc_* into a separate struct tc_tb 2018-03-05 02:57:22 -05:00
cpus.c cpu: refactor cpu_address_space_init() 2018-03-05 14:39:25 -05:00
cputlb.c tcg: Record code_gen_buffer address for user-only memory helpers 2018-03-05 13:48:28 -05:00
exec.c cpu: suffix cpu address spaces with cpu index 2018-03-05 14:41:25 -05:00
gen_all_header.sh arm64eb: add support for ARM64 big endian. 2017-04-24 23:30:01 +08:00
glib_compat.c qapi: Improve qobject input visitor error reporting 2018-03-02 12:05:53 -05:00
HACKING import 2015-08-21 15:04:50 +08:00
header_gen.py tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
ioport.c hw: remove pio_addr_t 2018-02-24 02:43:16 -05:00
LICENSE import 2015-08-21 15:04:50 +08:00
m68k.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
Makefile Makefile: use $(MAKE) variable 2018-03-05 14:16:02 -05:00
Makefile.objs tcg: Add atomic helpers 2018-02-27 15:57:47 -05:00
Makefile.target tcg: Add generic translation framework 2018-03-04 14:31:16 -05:00
memory.c memory: remove unused memory_region_set_global_locking() 2018-03-05 14:14:43 -05:00
memory_ldst.inc.c exec: introduce memory_ldst.inc.c 2018-03-01 09:59:34 -05:00
memory_mapping.c include/qemu/osdep.h: Don't include qapi/error.h 2018-02-21 23:08:18 -05:00
mips.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
mips64.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
mips64el.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
mipsel.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
powerpc.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
qapi-schema.json qapi: Update scripts to commit 01b2ffcedd94ad7b42bc870e4c6936c87ad03429 2018-03-03 18:32:12 -05:00
qemu-timer.c timer/cpus: fix some typos and update some comments 2018-02-25 23:21:57 -05:00
rules.mak rules.mak: Don't extract libs from .mo-libs in link command 2018-02-26 02:08:03 -05:00
softmmu_template.h cputlb: Support generating CPU exceptions on memory transaction failures 2018-03-04 13:14:50 -05:00
sparc.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
sparc64.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00
tcg-runtime.c exec-all: extract tb->tc_* into a separate struct tc_tb 2018-03-05 02:57:22 -05:00
translate-all.c translate-all: Zero out the TCGContext instance 2018-03-05 15:40:51 -05:00
translate-all.h translate-all.c: Compute L1 page table properties at runtime 2018-02-26 11:46:58 -05:00
translate-common.c exec: Clean up includes 2018-02-19 00:49:55 -05:00
unicorn_common.h qom/cpu: Add MemoryRegion property 2018-02-18 21:54:50 -05:00
VERSION import 2015-08-21 15:04:50 +08:00
vl.c util: add cacheinfo 2018-03-03 16:58:28 -05:00
vl.h import 2015-08-21 15:04:50 +08:00
x86_64.h tcg: Dynamically allocate TCGOps 2018-03-05 16:34:40 -05:00