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target/arm/sme: Rebuild hflags in aarch64_set_svcr()

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230112102436.1913-7-philmd@linaro.org
Message-Id: <20230112004322.161330-1-richard.henderson@linaro.org>
[PMD: Split patch in multiple tiny steps]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2023-01-12 11:24:35 +01:00 • committed by Peter Maydell
parent fccb49182e
commit f431855714
4 changed files with 6 additions and 19 deletions
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8
linux-user/aarch64/cpu_loop.c
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@ -89,14 +89,8 @@ void cpu_loop(CPUARMState *env)
switch (trapnr) {
case EXCP_SWI:
/*
* On syscall, PSTATE.ZA is preserved, along with the ZA matrix.
* PSTATE.SM is cleared, per SMSTOP, which does ResetSVEState.
*/
/* On syscall, PSTATE.ZA is preserved, PSTATE.SM is cleared. */
aarch64_set_svcr(env, 0, R_SVCR_SM_MASK);
if (FIELD_EX64(env->svcr, SVCR, SM)) {
arm_rebuild_hflags(env);
}
ret = do_syscall(env,
env->xregs[8],
env->xregs[0],