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unicorn/qemu
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Peter Maydell 5063ca11ab
target/arm: Check for xPSR mismatch usage faults earlier for v8M 
ARM v8M specifies that the INVPC usage fault for mismatched
xPSR exception field and handler mode bit should be checked
before updating the PSR and SP, so that the fault is taken
with the existing stack frame rather than by pushing a new one.
Perform this check in the right place for v8M.

Since v7M specifies in its pseudocode that this usage fault
check should happen later, we have to retain the original
code for that check rather than being able to merge the two.
(The distinction is architecturally visible but only in
very obscure corner cases like attempting an invalid exception
return with an exception frame in read only memory.)

Backports commit 224e0c300a0098fb577a03bd29d774d0769f632a from qemu
2018-03-05 01:39:39 -05:00
..
accel target/arm: [tcg] Port to generic translation framework 2018-03-04 20:28:06 -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 qom: provide root container for internal objs 2018-03-05 01:16:50 -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: provide root container for internal objs 2018-03-05 01:16:50 -05:00
scripts scripts: use build_ prefix for string not piped through cgen() 2018-03-03 22:11:28 -05:00
target target/arm: Check for xPSR mismatch usage faults earlier for v8M 2018-03-05 01:39:39 -05:00
tcg tcg/mips: Fully convert tcg_target_op_def 2018-03-04 23:54:26 -05:00
util bitmap: provide to_le/from_le helpers 2018-03-05 01:11:13 -05:00
aarch64.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
aarch64eb.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
accel.c clean-up: removed duplicate #includes 2018-02-28 08:51:56 -05:00
arm.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
armeb.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -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 configure: Drop AIX host support 2018-03-04 21:32:40 -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: Move USE_DIRECT_JUMP discriminator to tcg/cpu/tcg-target.h 2018-03-04 21:52:35 -05:00
cpus.c tcg: handle EXCP_ATOMIC exception for system emulation 2018-03-02 09:56:43 -05:00
cputlb.c cputlb: Support generating CPU exceptions on memory transaction failures 2018-03-04 13:14:50 -05:00
exec.c memory: Open code FlatView rendering 2018-03-04 02:06:48 -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 target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -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: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -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: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
mips64.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
mips64el.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
mipsel.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
powerpc.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -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 target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00
sparc64.h target/arm: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -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: Infrastructure for managing constant pools 2018-03-04 22:17:33 -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: Prepare for CONTROL.SPSEL being nonzero in Handler mode 2018-03-05 01:29:54 -05:00