motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 00:33:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

accel/tcg: Move @plugin_mem_cbs from CPUState to CPUNegativeOffsetState

Browse source 
@plugin_mem_cbs is accessed by tcg generated code, move it
to CPUNegativeOffsetState.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240429213050.55177-4-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-01-09 23:38:04 +01:00
parent fc44d592db
commit 80f034c5b2
5 changed files with 13 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

6
accel/tcg/plugin-gen.c
View file

@ -55,7 +55,7 @@ static void gen_enable_mem_helper(struct qemu_plugin_tb *ptb,
* Tracking memory accesses performed from helpers requires extra work.
* If an instruction is emulated with helpers, we do two things:
* (1) copy the CB descriptors, and keep track of it so that they can be
* freed later on, and (2) point CPUState.plugin_mem_cbs to the
* freed later on, and (2) point CPUState.neg.plugin_mem_cbs to the
* descriptors, so that we can read them at run-time
* (i.e. when the helper executes).
* This run-time access is performed from qemu_plugin_vcpu_mem_cb.
@ -90,14 +90,14 @@ static void gen_enable_mem_helper(struct qemu_plugin_tb *ptb,
qemu_plugin_add_dyn_cb_arr(arr);
tcg_gen_st_ptr(tcg_constant_ptr((intptr_t)arr), tcg_env,
offsetof(CPUState, plugin_mem_cbs) -
offsetof(CPUState, neg.plugin_mem_cbs) -
offsetof(ArchCPU, env));
}
static void gen_disable_mem_helper(void)
{
tcg_gen_st_ptr(tcg_constant_ptr(0), tcg_env,
offsetof(CPUState, plugin_mem_cbs) -
offsetof(CPUState, neg.plugin_mem_cbs) -
offsetof(ArchCPU, env));
}