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unicorn/qemu
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Peter Maydell 352a7b2501
target/arm: Generate UNDEF for 32-bit Thumb2 insns 
The refactoring of commit 296e5a0a6c3935 has a nasty bug:
it accidentally dropped the generation of code to raise
the UNDEF exception when disas_thumb2_insn() returns nonzero.
This means that 32-bit Thumb2 instruction patterns that
ought to UNDEF just act like nops instead. This is likely
to break any number of things, including the kernel's "disable
the FPU and use the UNDEF exception to identify when to turn
it back on again" trick.

Backports commit 7472e2efb049ea65a6a5e7261b78ebf5c561bc2f from qemu
2018-03-05 13:48:29 -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 osdep.h: Make TIME_MAX handle different time_t types 2018-03-05 13:48:29 -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: Generate UNDEF for 32-bit Thumb2 insns 2018-03-05 13:48:29 -05:00
tcg tcg/s390x: Use constant pool for prologue 2018-03-05 11:28:39 -05:00
util bitmap: provide to_le/from_le helpers 2018-03-05 01:11:13 -05:00
aarch64.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
aarch64eb.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
accel.c clean-up: removed duplicate #includes 2018-02-28 08:51:56 -05:00
arm.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
armeb.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -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 tcg: handle EXCP_ATOMIC exception for system emulation 2018-03-02 09:56:43 -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 qom: Introduce CPUClass.tcg_initialize 2018-03-05 09:49:26 -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 qom: Introduce CPUClass.tcg_initialize 2018-03-05 09:49:26 -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 target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
Makefile Makefile: Add a FORCE target 2018-02-24 17:03:51 -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: avoid a name clash with access macro 2018-03-05 01:13:01 -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 target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
mips64.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
mips64el.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
mipsel.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00
powerpc.h target/arm: Implement BLXNS 2018-03-05 03:31:59 -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 qom: Introduce CPUClass.tcg_initialize 2018-03-05 09:49:26 -05:00
sparc64.h qom: Introduce CPUClass.tcg_initialize 2018-03-05 09:49:26 -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 tcg: Merge opcode arguments into TCGOp 2018-03-05 04:45:20 -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 target/arm: Implement BLXNS 2018-03-05 03:31:59 -05:00