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unicorn/qemu
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Peter Maydell 40718df109
tcg/sparc: Zero extend data argument to store helpers 
The C store helper functions take the data argument as a uint8_t,
uint16_t, etc depending on the store size. The SPARC calling
convention requires that data types smaller than the register
size must be extended by the caller. We weren't doing this,
which meant that if QEMU was compiled with optimizations enabled
we could end up storing incorrect values to guest memory.
(In particular the i386 guest BIOS would crash on startup.)

Add code to the trampolines that call the store helpers to
do the zero extension as required.

Backports commit 709a340d679d95a0c6cbb9b5f654498f04345b50 from qemu
2018-03-02 14:24:24 -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: Use correct type in float64_to_uint64_round_to_zero() 2018-03-02 10:44:10 -05:00
hw i386: Remove AMD feature flag aliases from Opteron models 2018-03-01 23:49:04 -05:00
include armv7m: Fix reads of CONTROL register bit 1 2018-03-02 13:26:38 -05:00
qapi qapi: Fix object input visit beyond end of list 2018-03-02 12:22:50 -05:00
qobject util/cutils: Rename qemu_strtoll(), qemu_strtoull() 2018-03-02 08:39:45 -05:00
qom qapi: Drop unused non-strict qobject input visitor 2018-03-02 12:14:52 -05:00
scripts qapi: rename QmpOutputVisitor to QObjectOutputVisitor 2018-02-27 08:05:33 -05:00
target i386: Don't override -cpu options on -cpu host/max 2018-03-02 14:22:45 -05:00
tcg tcg/sparc: Zero extend data argument to store helpers 2018-03-02 14:24:24 -05:00
util util/cutils: Change qemu_strtosz*() from int64_t to uint64_t 2018-03-02 08:58:55 -05:00
aarch64.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
aarch64eb.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
accel.c clean-up: removed duplicate #includes 2018-02-28 08:51:56 -05:00
arm.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
armeb.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -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: remove Cygwin 2018-03-02 14:17:41 -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 cpu-exec: remove unnecessary check of cpu->exit_request 2018-03-02 11:21:35 -05:00
cpus.c tcg: handle EXCP_ATOMIC exception for system emulation 2018-03-02 09:56:43 -05:00
cputlb.c cputlb: Don't assume do_unassigned_access() never returns 2018-03-02 10:42:35 -05:00
exec.c RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -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 RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -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 RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -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 Move target-* CPU file into a target/ folder 2018-03-01 22:50:58 -05:00
memory.c memory: Introduce DEVICE_HOST_ENDIAN for ram device 2018-03-02 11:24:32 -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 RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
mips64.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
mips64el.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
mipsel.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
powerpc.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
qapi-schema.json qapi: add missing colon-ending for section name 2018-03-01 09:07:10 -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 RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
sparc64.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00
tcg-runtime.c tcg: Add opcode for ctpop 2018-03-01 18:26:41 -05:00
translate-all.c translate-all: exit cpu_restore_state early if translating 2018-03-02 12:46:16 -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 tcg: add options for enabling MTTCG 2018-03-02 09:25:01 -05:00
vl.h import 2015-08-21 15:04:50 +08:00
x86_64.h RAMBlocks: qemu_ram_is_shared 2018-03-02 13:05:35 -05:00