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From: Alexandre Courbot <gnurou@gmail.com>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: Alexandre Courbot <gnurou@gmail.com>, qemu-devel@nongnu.org
Subject: [Qemu-devel] [PATCH v2] target-sh4: update PTEH upon MMU exception
Date: Wed, 26 Jan 2011 11:57:53 +0900	[thread overview]
Message-ID: <1296010673-3841-1-git-send-email-gnurou@gmail.com> (raw)
In-Reply-To: <20110125080510.GD23331@hall.aurel32.net>

Update the PTEH register to contain the VPN at which an MMU
exception occured as specified by the SH4 reference.

Signed-off-by: Alexandre Courbot <gnurou@gmail.com>
---
 target-sh4/helper.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index 19b309b..8f8c66c 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -453,6 +453,10 @@ int cpu_sh4_handle_mmu_fault(CPUState * env, target_ulong address, int rw,
 
     if (ret != MMU_OK) {
 	env->tea = address;
+	if (ret != MMU_DTLB_MULTIPLE && ret != MMU_ITLB_MULTIPLE) {
+	    env->pteh = (env->pteh & PTEH_ASID_MASK) |
+		    (address & PTEH_VPN_MASK);
+	}
 	switch (ret) {
 	case MMU_ITLB_MISS:
 	case MMU_DTLB_MISS_READ:
-- 
1.7.3.5

  reply	other threads:[~2011-01-26  2:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-25  4:51 [Qemu-devel] [PATCH] target-sh4: fix index of address read error exception Alexandre Courbot
2011-01-25  4:51 ` [Qemu-devel] [PATCH] target-sh4: update PTEH upon MMU exception Alexandre Courbot
2011-01-25  8:05   ` Aurelien Jarno
2011-01-26  2:57     ` Alexandre Courbot [this message]
2011-01-26 13:31       ` [Qemu-devel] [PATCH v2] " Aurelien Jarno
2011-01-25  8:03 ` [Qemu-devel] [PATCH] target-sh4: fix index of address read error exception Aurelien Jarno

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