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unicorn/qemu
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Alex Bennée 0bd8dc4e0a
target/arm: use DISAS_EXIT for eret handling 
Previously DISAS_JUMP did ensure this but with the optimisation of
8a6b28c7 (optimize indirect branches) we might not leave the loop.
This means if any pending interrupts are cleared by changing IRQ flags
we might never get around to servicing them. You usually notice this
by seeing the lookup_tb_ptr() helper gainfully chaining TBs together
while cpu->interrupt_request remains high and the exit_request has not
been set.

This breaks amongst other things the OPTEE test suite which executes
an eret from the secure world after a non-secure world IRQ has gone
pending which then never gets serviced.

Instead of using the previously implied semantics of DISAS_JUMP we use
DISAS_EXIT which will always exit the run-loop.

Backports commit b29fd33db578decacd14f34933b29aece3e7c25e from qemu
2018-03-03 22:43:16 -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 i386: Remove AMD feature flag aliases from Opteron models 2018-03-01 23:49:04 -05:00
include include/exec/exec-all: document common exit conditions 2018-03-03 22:31:28 -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: enforce readonly nature of link's check callback 2018-03-03 22:17:20 -05:00
scripts scripts: use build_ prefix for string not piped through cgen() 2018-03-03 22:11:28 -05:00
target target/arm: use DISAS_EXIT for eret handling 2018-03-03 22:43:16 -05:00
tcg tcg/mips: Bugfix for crash when running program with qemu-i386. 2018-03-03 22:06:26 -05:00
util util/cacheinfo: Fix warning generated by clang 2018-03-03 22:04:12 -05:00
aarch64.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
aarch64eb.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
accel.c clean-up: removed duplicate #includes 2018-02-28 08:51:56 -05:00
arm.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
armeb.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
atomic_template.h tcg: Add atomic128 helpers 2018-02-27 21:43:48 -05:00
CODING_STYLE import 2015-08-21 15:04:50 +08:00
configure build: add -Wexpansion-to-defined 2018-03-03 22:12:31 -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 tcg: Introduce goto_ptr opcode and tcg_gen_lookup_and_goto_ptr 2018-03-02 21:05:18 -05:00
cpus.c tcg: handle EXCP_ATOMIC exception for system emulation 2018-03-02 09:56:43 -05:00
cputlb.c tcg: consistently access cpu->tb_jmp_cache atomically 2018-03-03 21:12:36 -05:00
exec.c Revert "exec.c: Fix breakpoint invalidation race" 2018-03-03 22:14:35 -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 memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -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 memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -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 the CONFIG_TCG into Makefiles 2018-03-03 21:39:30 -05:00
memory.c memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -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 memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
mips64.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
mips64el.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
mipsel.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
powerpc.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -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: Remove includes from softmmu_template.h 2018-02-27 12:40:43 -05:00
sparc.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
sparc64.h memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00
tcg-runtime.c tcg: Increase hit rate of lookup_tb_ptr 2018-03-03 17:16:23 -05:00
translate-all.c tcg/aarch64: Use ADRP+ADD to compute target address 2018-03-03 22:01:38 -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 memory: Rename memory_region_init_rom() and _rom_device() to _nomigrate() 2018-03-03 22:29:01 -05:00