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target/arm: mark SP_EL1 with ARM_CP_EL3_NO_EL2_KEEP 

SP_EL1 must be kept when EL3 is present but EL2 is not. Therefore mark
it with ARM_CP_EL3_NO_EL2_KEEP.

Cc: qemu-stable@nongnu.org
Fixes: 696ba37718 ("target/arm: Handle cpreg registration for missing EL")
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220927120058.670901-1-jerome.forissier@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Jerome Forissier 2022-09-27 14:00:58 +02:00 committed by Peter Maydell
parent 6ebbf2f9d1
commit beeec926d2
1 changed files with 1 additions and 1 deletions
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2
target/arm/helper.c
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@ -5088,7 +5088,7 @@ static const ARMCPRegInfo v8_cp_reginfo[] = {
.fieldoffset = offsetof(CPUARMState, sp_el[0]) },
{ .name = "SP_EL1", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 4, .crn = 4, .crm = 1, .opc2 = 0,
.access = PL2_RW, .type = ARM_CP_ALIAS,
.access = PL2_RW, .type = ARM_CP_ALIAS | ARM_CP_EL3_NO_EL2_KEEP,
.fieldoffset = offsetof(CPUARMState, sp_el[1]) },
{ .name = "SPSel", .state = ARM_CP_STATE_AA64,
.opc0 = 3, .opc1 = 0, .crn = 4, .crm = 2, .opc2 = 0,