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riscv: Don't use stage-2 PTE lookup protection flags 

When doing the fist of a two stage lookup (Hypervisor extensions) don't
set the current protection flags from the second stage lookup of the
base address PTE.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Anup Patel <anup@brainfault.org>
Message-id: 931db85d6890ed4bc2b527fd1011197cd28299aa.1585262586.git.alistair.francis@wdc.com
Message-Id: <931db85d6890ed4bc2b527fd1011197cd28299aa.1585262586.git.alistair.francis@wdc.com>
This commit is contained in:
Alistair Francis 2020-03-26 15:44:07 -07:00
parent 3ca109c3f8
commit 3847289054
1 changed files with 2 additions and 1 deletions
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3
target/riscv/cpu_helper.c
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@ -452,10 +452,11 @@ restart:
hwaddr pte_addr;
if (two_stage && first_stage) {
int vbase_prot;
hwaddr vbase;
/* Do the second stage translation on the base PTE address. */
get_physical_address(env, &vbase, prot, base, access_type,
get_physical_address(env, &vbase, &vbase_prot, base, access_type,
mmu_idx, false, true);
pte_addr = vbase + idx * ptesize;