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0d0d054382
unicorn/qemu
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Charles Ferguson 0d0d054382 Add implementation of access to the ARM SPSR register. (#1178) 
The SPSR register is named within the Unicorn headers, but the code
to access it is absent. This means that it will always read as 0 and
ignore writes. This makes it harder to work with changes in processor
mode, as the usual way to return from a CPU exception is a
`MOVS pc, lr` for undefined instructions or `SUBS pc, lr, #4`
for most other aborts - which implicitly restores the CPSR from SPSR.

This change adds the access to the SPSR so that it can be read and
written as the caller might expect.

Backports commit 99097cab4c39fb3fc50eea8f0006954f62a149b2 from unicorn.
2020-01-14 09:57:55 -05:00
..
accel Ensure that PC is not fixed up when code tracing or timing. (#1179) 2020-01-14 09:52:25 -05:00
crypto
default-configs target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
docs
fpu fpu: rename softfloat-specialize.h -> .inc.c 2019-11-18 21:12:30 -05:00
hw Expose different 32-bit ARM CPU models to users via UC_MODE flags (#1165) 2020-01-14 09:37:21 -05:00
include Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
qapi
qobject
qom cpu: Move icount_decr to CPUNegativeOffsetState 2019-06-13 15:34:28 -04:00
scripts decodetree: Suppress redundant declaration warnings 2019-11-18 21:21:30 -05:00
target Add implementation of access to the ARM SPSR register. (#1178) 2020-01-14 09:57:55 -05:00
tcg tcg: TCGMemOp is now accelerator independent MemOp 2019-11-28 03:01:12 -05:00
util util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON() 2020-01-14 08:04:30 -05:00
aarch64.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
aarch64eb.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
accel.c
arm.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
armeb.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
CODING_STYLE.rst docs: split the CODING_STYLE doc into distinct groups 2019-11-28 02:54:44 -05:00
configure configure: Require Python >= 3.5 2020-01-14 08:09:23 -05:00
COPYING
COPYING.LIB
cpus.c
exec.c Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
gen_all_header.sh
glib_compat.c Remove warnings (#1140) 2020-01-14 09:05:43 -05:00
header_gen.py Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
ioport.c
LICENSE
m68k.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
Makefile Makefile: Rename targets for make recursion 2019-08-08 17:26:49 -04:00
Makefile.objs
Makefile.target
memory_ldst.inc.c memory: Single byte swap along the I/O path 2020-01-07 19:12:04 -05:00
memory_mapping.c
memory.c Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
mips64.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
mips64el.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
mips.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
mipsel.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
powerpc.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
qemu-timer.c
riscv32.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
riscv64.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
rules.mak
sparc64.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
sparc.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
unicorn_common.h
VERSION Open 5.0 development tree 2020-01-07 17:50:51 -05:00
vl.c
vl.h
x86_64.h Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00