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target/ppc: fix tlbsync to check privilege level depending on GTSE

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tlbsync also needs to check the Guest Translation Shootdown Enable
(GTSE) bit in the Logical Partition Control Register (LPCR) to
determine at which privilege level it is running.

See commit c6fd28fd57 ("target/ppc: Update tlbie to check privilege
level based on GTSE")

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2018-03-14 18:33:36 +01:00 committed by David Gibson
parent 21a5a442ae
commit 91c60f124e
1 changed files with 7 additions and 2 deletions
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9
target/ppc/translate.c
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@ -4526,7 +4526,7 @@ static void gen_tlbie(DisasContext *ctx)
TCGv_i32 t1;
if (ctx->gtse) {
CHK_SV; /* If gtse is set then tblie is supervisor privileged */
CHK_SV; /* If gtse is set then tlbie is supervisor privileged */
} else {
CHK_HV; /* Else hypervisor privileged */
}
@ -4553,7 +4553,12 @@ static void gen_tlbsync(DisasContext *ctx)
#if defined(CONFIG_USER_ONLY)
GEN_PRIV;
#else
CHK_HV;
if (ctx->gtse) {
CHK_SV; /* If gtse is set then tlbsync is supervisor privileged */
} else {
CHK_HV; /* Else hypervisor privileged */
}
/* BookS does both ptesync and tlbsync make tlbsync a nop for server */
if (ctx->insns_flags & PPC_BOOKE) {