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target/arm: Copy EXLOCKEn to EXLOCK on exception to the same EL

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Per R_WTXBY, PSTATE.EXLOCK is 0 on an exception to a higher EL,
and copied from EXLOCKEn otherwise.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20251008215613.300150-61-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson
2025-10-10 13:19:10 +01:00
committed by Peter Maydell
parent 3d366bb67f
commit d77ed96016
1 changed files with 7 additions and 2 deletions
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target/arm/helper.c
+7 -2
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@@ -9071,8 +9071,13 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs)
} else {
addr += 0x600;
}
} else if (pstate_read(env) & PSTATE_SP) {
addr += 0x200;
} else {
if (pstate_read(env) & PSTATE_SP) {
addr += 0x200;
}
if (is_a64(env) && (env->cp15.gcscr_el[new_el] & GCSCR_EXLOCKEN)) {
new_mode |= PSTATE_EXLOCK;
}
}
switch (cs->exception_index) {