qemu/accel
Pierrick Bouvier b709da5d29 plugins: save value during memory accesses
Different code paths handle memory accesses:
- tcg generated code
- load/store helpers
- atomic helpers

This value is saved in cpu->neg.plugin_mem_value_{high,low}. Values are
written only for accessed word size (upper bits are not set).

Atomic operations are doing read/write at the same time, so we generate
two memory callbacks instead of one, to allow plugins to access distinct
values.

For now, we can have access only up to 128 bits, thus split this in two
64 bits words. When QEMU will support wider operations, we'll be able to
reconsider this.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240724194708.1843704-2-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240916085400.1046925-5-alex.bennee@linaro.org>
2024-09-19 15:58:01 +01:00
..
hvf hvf: arm: Implement and use hvf_get_physical_address_range 2024-09-13 15:31:47 +01:00
kvm kvm: Use 'unsigned long' for request argument in functions wrapping ioctl() 2024-09-13 15:31:46 +01:00
qtest qtest: move qtest_{get, set}_virtual_clock to accel/qtest/qtest.c 2024-06-24 10:14:56 +01:00
stubs accel: Restrict probe_access*() functions to TCG 2024-07-23 18:08:44 +02:00
tcg plugins: save value during memory accesses 2024-09-19 15:58:01 +01:00
xen hw/xen: Extract 'xen_igd.h' from 'xen_pt.h' 2024-03-09 18:51:45 +01:00
accel-blocker.c system/cpus: rename qemu_mutex_lock_iothread() to bql_lock() 2024-01-08 10:45:43 -05:00
accel-system.c accel: Rename accel_init_ops_interfaces() to include 'system' 2024-01-19 12:28:59 +01:00
accel-system.h accel: Rename accel_init_ops_interfaces() to include 'system' 2024-01-19 12:28:59 +01:00
accel-target.c accel: Rename accel_init_ops_interfaces() to include 'system' 2024-01-19 12:28:59 +01:00
accel-user.c
dummy-cpus.c cpu: move Qemu[Thread|Cond] setup into common code 2024-06-04 10:02:39 +02:00
Kconfig i386: xen: fix compilation --without-default-devices 2024-02-16 13:56:09 +01:00
meson.build accel: Rename accel_softmmu* -> accel_system* 2023-10-07 19:02:57 +02:00