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Peter Maydell 4dd57f7acc target/arm: Implement ARMv8.4-PMU extension 
The ARMv8.4-PMU extension adds:
* one new required event, STALL
* one new system register PMMIR_EL1

(There are also some more L1-cache related events, but since
we don't implement any cache we don't provide these, in the
same way we don't provide the base-PMUv3 cache events.)

The STALL event "counts every attributable cycle on which no
attributable instruction or operation was sent for execution on this
PE". QEMU doesn't stall in this sense, so this is another
always-reads-zero event.

The PMMIR_EL1 register is a read-only register providing
implementation-specific information about the PMU; currently it has
only one field, SLOTS, which defines behaviour of the STALL_SLOT PMU
event. Since QEMU doesn't implement the STALL_SLOT event, we can
validly make the register read zero.

Backports commit 15dd1ebda4a6ef928d484c5a4f48b8ccb7438bb2 from qemu
2020-03-21 18:37:50 -04:00
..
accel Ensure that PC is not fixed up when code tracing or timing. (#1179) 2020-01-14 09:52:25 -05:00
crypto crypto: Clean up includes 2018-02-19 00:47:40 -05:00
default-configs target/riscv: Initial introduction of the RISC-V target 2019-03-08 21:46:10 -05:00
docs docs/devel/memory.txt: Document _with_attrs accessors 2018-10-04 04:46:26 -04:00
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 tcg: Add support for a helper with 7 arguments 2020-03-21 16:53:56 -04:00
qapi qapi: Rewrite string-input-visitor's integer and list parsing 2018-12-18 04:57:25 -05:00
qobject qstring: Move qstring_from_substr()'s @end one to the right 2018-08-02 21:24:19 -04:00
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 target/arm: Implement ARMv8.4-PMU extension 2020-03-21 18:37:50 -04:00
tcg tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
util util/cutils: Turn FIXME comment into QEMU_BUILD_BUG_ON() 2020-01-14 08:04:30 -05:00
aarch64.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
aarch64eb.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
accel.c clean-up: removed duplicate #includes 2018-02-28 08:51:56 -05:00
arm.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
armeb.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
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 Include qapi/error.h exactly where needed 2018-03-07 12:26:38 -05:00
exec.c Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
gen_all_header.sh
glib_compat.c target/arm: Add VHE system register redirection and aliasing 2020-03-21 15:57:03 -04:00
header_gen.py tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
ioport.c hw: remove pio_addr_t 2018-02-24 02:43:16 -05:00
LICENSE
m68k.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
Makefile Makefile: Rename targets for make recursion 2019-08-08 17:26:49 -04:00
Makefile.objs qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-09 11:35:11 -05:00
Makefile.target configure: Remove old -fno-gcse workaround for GCC 4.6.x and 4.7.[012] 2018-12-18 03:52:36 -05:00
memory.c Memory: Enable writeback for given memory region 2020-01-14 07:44:24 -05:00
memory_ldst.inc.c memory: Single byte swap along the I/O path 2020-01-07 19:12:04 -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 tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
mips64.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
mips64el.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
mipsel.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
powerpc.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
qemu-timer.c timer/cpus: fix some typos and update some comments 2018-02-25 23:21:57 -05:00
riscv32.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
riscv64.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
rules.mak build-sys: silence make by default or V=0 2018-03-06 08:58:03 -05:00
sparc.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
sparc64.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00
unicorn_common.h unicorn_common: Fix unicorn memory functions failing 2018-09-03 10:40:14 -04:00
VERSION Open 5.0 development tree 2020-01-07 17:50:51 -05:00
vl.c Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
vl.h
x86_64.h tcg: Add tcg_gen_gvec_5_ptr 2020-03-21 16:54:01 -04:00