From: Lionel Landwerlin <lionel.landwerlin@openwide.fr>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] sh : performance problem
Date: Tue, 03 Mar 2009 01:09:40 +0100 [thread overview]
Message-ID: <1236038980.4975.18.camel@coalu.atr> (raw)
In-Reply-To: <1236038327.4975.16.camel@coalu.atr>
You might want this patch too
--
Lionel Landwerlin <lionel.landwerlin@openwide.fr>
[PATCH] SH4: Fixed last UTLB unused and URB/URC management
Signed-off-by: Lionel Landwerlin <lionel.landwerlin@openwide.fr>
---
target-sh4/helper.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index cd0f392..54a3f1f 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -297,7 +297,7 @@ static int same_tlb_entry_exists(const tlb_t *
haystack, uint8_t nbtlb,
return 0;
}
-static void increment_urc(CPUState * env)
+static inline void increment_urc(CPUState * env)
{
uint8_t urb, urc;
@@ -305,7 +305,7 @@ static void increment_urc(CPUState * env)
urb = ((env->mmucr) >> 18) & 0x3f;
urc = ((env->mmucr) >> 10) & 0x3f;
urc++;
- if (urc == urb || urc == UTLB_SIZE - 1)
+ if ((urb > 0 && urc > urb) || urc > (UTLB_SIZE - 1))
urc = 0;
env->mmucr = (env->mmucr & 0xffff03ff) | (urc << 10);
}
--
1.5.6.5
next prev parent reply other threads:[~2009-03-03 0:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-26 16:28 [Qemu-devel] sh : performance problem Shin-ichiro KAWASAKI
2009-02-28 19:15 ` Lionel Landwerlin
2009-03-01 6:05 ` Shin-ichiro KAWASAKI
2009-03-01 12:46 ` Lionel Landwerlin
2009-03-01 16:10 ` Shin-ichiro KAWASAKI
2009-03-01 17:39 ` Lionel Landwerlin
2009-03-02 14:46 ` Shin-ichiro KAWASAKI
2009-03-02 22:30 ` Lionel Landwerlin
2009-03-03 15:32 ` Shin-ichiro KAWASAKI
2009-03-02 23:58 ` Lionel Landwerlin
2009-03-03 0:09 ` Lionel Landwerlin [this message]
2009-03-03 15:46 ` Shin-ichiro KAWASAKI
2009-03-03 18:57 ` Lionel Landwerlin
2009-03-03 19:25 ` Laurent Desnogues
2009-03-03 22:28 ` Lionel Landwerlin
2009-03-04 2:59 ` Paul Brook
2009-03-04 15:22 ` Shin-ichiro KAWASAKI
2009-03-04 15:39 ` Shin-ichiro KAWASAKI
2009-03-03 23:11 ` Lionel Landwerlin
2009-03-04 15:12 ` Shin-ichiro KAWASAKI
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