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target/riscv: Fix update of hstatus.SPVP

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When trapping from virt into HS mode, hstatus.SPVP was set to
the value of sstatus.SPP, as according to the specification both
flags should be set to the same value.
However, the assignment of SPVP takes place before SPP itself is
updated, which results in SPVP having an outdated value.

Backports ace544532c4064e995ef69ec9dc93aad62e19988
This commit is contained in:
Georg Kotheimer 2021-03-08 14:38:14 -05:00 committed by Lioncash
parent 4805f204d8
commit 640a26bf58
1 changed files with 1 additions and 1 deletions
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2
qemu/target/riscv/cpu_helper.c
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@ -925,7 +925,7 @@ void riscv_cpu_do_interrupt(CPUState *cs)
/* Trap into HS mode, from virt */
riscv_cpu_swap_hypervisor_regs(env);
env->hstatus = set_field(env->hstatus, HSTATUS_SPVP,
get_field(env->mstatus, SSTATUS_SPP));
env->priv);
env->hstatus = set_field(env->hstatus, HSTATUS_SPV,
riscv_cpu_virt_enabled(env));