diff mbox series

[PULL,03/12] target/riscv: Fix update of hstatus.SPVP

Message ID 20201023151619.3175155-4-alistair.francis@wdc.com
State New
Headers show
Series [PULL,01/12] riscv: Convert interrupt logs to use qemu_log_mask() | expand

Commit Message

Alistair Francis Oct. 23, 2020, 3:16 p.m. UTC 
From: Georg Kotheimer <georg.kotheimer@kernkonzept.com>

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updated, which results in SPVP having an outdated value.

Signed-off-by: Georg Kotheimer <georg.kotheimer@kernkonzept.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20201013151054.396481-1-georg.kotheimer@kernkonzept.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 target/riscv/cpu_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 6c68239a46..47d05fe34c 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -938,7 +938,7 @@  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));