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unicorn/qemu
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Peter Maydell 4d0bdc61b6
target-arm: Use a single entry point for AArch64 and AArch32 exceptions 
If EL2 or EL3 is present on an AArch64 CPU, then exceptions can be
taken to an exception level which is running AArch32 (if only EL0
and EL1 are present then EL1 must be AArch64 and all exceptions are
taken to AArch64). To support this we need to have a single
implementation of the CPU do_interrupt() method which can handle both
32 and 64 bit exception entry.

Pull the common parts of aarch64_cpu_do_interrupt() and
arm_cpu_do_interrupt() out into a new function which calls
either the AArch32 or AArch64 specific entry code once it has
worked out which one is needed.

We temporarily special-case the handling of EXCP_SEMIHOST to
avoid an assertion in arm_el_is_aa64(); the next patch will
pull all the semihosting handling out to the arm_cpu_do_interrupt()
level (since semihosting semantics depend on the register width
of the calling code, not on that of any higher EL).

Backports commit 966f758c49ff478c4757efa5970ce649161bff92 from qemu
2018-02-18 22:34:31 -05:00
..
crypto Drop unused crypto source files 2018-02-17 15:23:57 -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: expand out STATUS macro 2018-02-12 13:43:13 -05:00
hw hw/arm: Clean up includes 2018-02-17 21:10:57 -05:00
include qom/cpu: Add MemoryRegion property 2018-02-18 21:54:50 -05:00
qapi qstring: Make conversion from QObject * accept null 2018-02-17 15:24:12 -05:00
qobject qstring: Make conversion from QObject * accept null 2018-02-17 15:24:12 -05:00
qom qom: Introduce ObjectPropertyIterator struct for iteration 2018-02-17 18:39:00 -05:00
scripts Save copies of generated qapi files. 2017-01-21 00:30:50 +11:00
target-arm target-arm: Use a single entry point for AArch64 and AArch32 exceptions 2018-02-18 22:34:31 -05:00
target-i386 exec.c: Drop TARGET_HAS_ICE define and checks 2018-02-18 18:17:14 -05:00
target-m68k exec.c: Drop TARGET_HAS_ICE define and checks 2018-02-18 18:17:14 -05:00
target-mips exec.c: Drop TARGET_HAS_ICE define and checks 2018-02-18 18:17:14 -05:00
target-sparc exec.c: Drop TARGET_HAS_ICE define and checks 2018-02-18 18:17:14 -05:00
tcg tcg: Fix highwater check 2018-02-17 18:53:18 -05:00
util error: Improve documentation 2018-02-17 20:52:49 -05:00
aarch64.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
aarch64eb.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
accel.c Automated leading tab to spaces conversion. 2017-01-21 12:28:22 +11:00
arm.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
armeb.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
CODING_STYLE import 2015-08-21 15:04:50 +08:00
configure tcg: Drop ia64 host support 2018-02-04 18:33:02 -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 cputlb.c: Use correct address space when looking up MemoryRegionSection 2018-02-17 23:15:22 -05:00
cpu-exec.c cpu-exec: Fix compiler warning (-Werror=clobbered) 2018-02-17 15:24:15 -05:00
cpus.c qom/cpu: Add MemoryRegion property 2018-02-18 21:54:50 -05:00
cputlb.c exec.c: Pass MemTxAttrs to iotlb_to_region so it uses the right AS 2018-02-17 23:19:00 -05:00
exec.c exec: Respect as_translate_internal length clamp 2018-02-18 22:04:02 -05:00
gen_all_header.sh arm64eb: add support for ARM64 big endian. 2017-04-24 23:30:01 +08:00
glib_compat.c crypto: introduce new module for computing hash digests 2018-02-17 15:23:17 -05:00
HACKING import 2015-08-21 15:04:50 +08:00
header_gen.py target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
ioport.c ioport: do not use CPU_LOG_IOPORT 2018-02-17 15:24:15 -05:00
LICENSE import 2015-08-21 15:04:50 +08:00
m68k.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
Makefile crypto: move crypto objects out of libqemuutil.la 2018-02-17 15:23:50 -05:00
Makefile.objs crypto: move crypto objects out of libqemuutil.la 2018-02-17 15:23:50 -05:00
Makefile.target tcg: split tcg_op_defs to -common 2018-02-17 15:23:51 -05:00
memory.c memory: Silence unused variable warning 2018-02-18 17:52:03 -05:00
memory_mapping.c memory_mapping: Rework cpu related includes 2018-02-17 15:23:15 -05:00
mips.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
mips64.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
mips64el.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
mipsel.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
powerpc.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
qapi-schema.json import 2015-08-21 15:04:50 +08:00
qemu-log.c import 2015-08-21 15:04:50 +08:00
qemu-timer.c timer is redundant 2017-01-20 16:46:58 +08:00
rules.mak import 2015-08-21 15:04:50 +08:00
softmmu_template.h exec.c: Pass MemTxAttrs to iotlb_to_region so it uses the right AS 2018-02-17 23:19:00 -05:00
sparc.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
sparc64.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00
tcg-runtime.c platform.h move #3 2017-01-21 00:13:21 +11:00
translate-all.c exec.c: Drop TARGET_HAS_ICE define and checks 2018-02-18 18:17:14 -05:00
translate-all.h translate-all: remove unnecessary argument to tb_invalidate_phys_range 2018-02-13 09:04:51 -05:00
translate-common.c translate-all: Move tcg_handle_interrupt() to -common 2018-02-17 15:23:51 -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 vl.c: Remove periods and exclamation points from error messages 2018-02-17 15:24:14 -05:00
vl.h import 2015-08-21 15:04:50 +08:00
x86_64.h target-arm: Implement cpu_get_phys_page_attrs_debug 2018-02-18 22:15:50 -05:00