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target/arm: Move PMSAv7 reset into arm_cpu_reset() so M profile MPUs get reset

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When the PMSAv7 implementation was originally added it was for R profile
CPUs only, and reset was handled using the cpreg .resetfn hooks.
Unfortunately for M profile cores this doesn't work, because they do
not register any cpregs. Move the reset handling into arm_cpu_reset(),
where it will work for both R profile and M profile cores.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 1501153150-19984-5-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2017-07-27 11:59:09 +01:00
parent 8531eb4f61
commit 69ceea64bf
2 changed files with 26 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

14
target/arm/cpu.c
View file

@ -232,6 +232,20 @@ static void arm_cpu_reset(CPUState *s)
env->vfp.xregs[ARM_VFP_FPEXC] = 0;
#endif
if (arm_feature(env, ARM_FEATURE_PMSA) &&
arm_feature(env, ARM_FEATURE_V7)) {
if (cpu->pmsav7_dregion > 0) {
memset(env->pmsav7.drbar, 0,
sizeof(*env->pmsav7.drbar) * cpu->pmsav7_dregion);
memset(env->pmsav7.drsr, 0,
sizeof(*env->pmsav7.drsr) * cpu->pmsav7_dregion);
memset(env->pmsav7.dracr, 0,
sizeof(*env->pmsav7.dracr) * cpu->pmsav7_dregion);
}
env->pmsav7.rnr = 0;
}
set_flush_to_zero(1, &env->vfp.standard_fp_status);
set_flush_inputs_to_zero(1, &env->vfp.standard_fp_status);
set_default_nan_mode(1, &env->vfp.standard_fp_status);