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From: Nicholas Piggin <npiggin@gmail.com>
To: qemu-devel@nongnu.org
Cc: Nicholas Piggin <npiggin@gmail.com>,
	qemu-ppc@nongnu.org, Alexey Kardashevskiy <aik@ozlabs.ru>,
	David Gibson <david@gibson.dropbear.id.au>,
	Alexander Graf <agraf@suse.de>
Subject: [Qemu-devel] [PATCH 2/3] ppc: allow system reset interrupt to be delivered to guests
Date: Thu, 20 Oct 2016 17:59:11 +1100	[thread overview]
Message-ID: <20161020065912.16132-3-npiggin@gmail.com> (raw)
In-Reply-To: <20161020065912.16132-1-npiggin@gmail.com>

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 target-ppc/excp_helper.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/target-ppc/excp_helper.c b/target-ppc/excp_helper.c
index 53c4075..477af10 100644
--- a/target-ppc/excp_helper.c
+++ b/target-ppc/excp_helper.c
@@ -390,9 +390,13 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
             /* indicate that we resumed from power save mode */
             msr |= 0x10000;
             new_msr |= ((target_ulong)1 << MSR_ME);
+            new_msr |= (target_ulong)MSR_HVB;
+        } else {
+	    /* The ISA specifies the HV bit is set when the hardware interrupt
+	     * is raised, however when hypervisors deliver the exception to
+	     * guests, it should not be set.
+	     */
         }
-
-        new_msr |= (target_ulong)MSR_HVB;
         ail = 0;
         break;
     case POWERPC_EXCP_DSEG:      /* Data segment exception                   */
-- 
2.9.3

  parent reply	other threads:[~2016-10-20  6:59 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-20  6:59 [Qemu-devel] (no subject) Nicholas Piggin
2016-10-20  6:59 ` [Qemu-devel] [PATCH 1/3] ppc: fix MSR_ME handling for system reset interrupt Nicholas Piggin
2016-10-20 10:23   ` [Qemu-devel] [Qemu-ppc] " Greg Kurz
2016-10-20 10:23   ` Cédric Le Goater
2016-10-21  1:09   ` [Qemu-devel] " David Gibson
2016-10-21  1:49     ` Nicholas Piggin
2016-10-20  6:59 ` Nicholas Piggin [this message]
2016-10-20 13:08   ` [Qemu-devel] [Qemu-ppc] [PATCH 2/3] ppc: allow system reset interrupt to be delivered to guests Cédric Le Goater
2016-10-20 13:40     ` Nicholas Piggin
2016-10-21  1:09       ` David Gibson
2016-10-21  4:35         ` [Qemu-devel] [PATCH v2] ppc: allow certain HV interrupts " Nicholas Piggin
2016-10-21 10:22           ` Cédric Le Goater
2016-10-24  1:16           ` David Gibson
2016-10-24  6:56             ` Nicholas Piggin
2016-10-25  1:23               ` David Gibson
2016-10-20  6:59 ` [Qemu-devel] [PATCH 3/3] ppc/spapr: implement H_SIGNAL_SYS_RESET Nicholas Piggin
2016-10-20  9:21   ` [Qemu-devel] [Qemu-ppc] " Thomas Huth
2016-10-20 13:25     ` Nicholas Piggin
2016-10-20 16:49   ` Greg Kurz
2016-10-21  0:56     ` Nicholas Piggin
2016-10-21  1:21       ` David Gibson
2016-10-20 11:49 ` [Qemu-devel] [Qemu-ppc] (no subject) Greg Kurz
2016-10-20 13:26   ` Nicholas Piggin
2016-10-20 13:19 ` Cédric Le Goater

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