From: Alexander Graf <agraf@suse.de>
To: Scott Wood <scottwood@freescale.com>
Cc: qemu-ppc@nongnu.org, qemu-devel Developers <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 6/8] PPC: booke: add tlbnps handling
Date: Mon, 23 Jan 2012 18:33:00 +0100 [thread overview]
Message-ID: <4F1D99CC.90203@suse.de> (raw)
In-Reply-To: <4F1D9912.1090803@freescale.com>
On 01/23/2012 06:29 PM, Scott Wood wrote:
> On 01/20/2012 10:15 PM, Alexander Graf wrote:
>> +/* returns bitmap of supported page sizes for a given TLB */
>> +static inline uint32_t booke206_tlbnps(CPUState *env, const int tlbn)
>> +{
>> + bool mav2 = false;
>> + uint32_t ret = 0;
>> +
>> + if (mav2) {
>> + ret = env->spr[SPR_BOOKE_TLB0PS + tlbn];
>> + } else {
>> + uint32_t tlbncfg = env->spr[SPR_BOOKE_TLB0CFG + tlbn];
>> + uint32_t min = (tlbncfg& TLBnCFG_MINSIZE)>> TLBnCFG_MINSIZE_SHIFT;
>> + uint32_t max = (tlbncfg& TLBnCFG_MAXSIZE)>> TLBnCFG_MAXSIZE_SHIFT;
>> + int i;
>> + for (i = min; i<= max; i++) {
>> + ret |= (1<< (i<< 1));
>> + }
>> + }
> For mav1 only the even sizes are supported.
Yes, which is why min and max are >> 1 compared to the MAV2 values.
Alex
next prev parent reply other threads:[~2012-01-23 17:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-21 4:15 [Qemu-devel] [PATCH 0/8] Make -cpu e500mc useful in TCG v2 Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 1/8] PPC: Add IVOR 38-42 Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 2/8] PPC: e500mc: add missing IVORs to bitmap Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 3/8] PPC: e500: msync is 440 only, e500 has real sync Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 4/8] PPC: rename msync to msync_4xx Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 5/8] PPC: booke206: allow NULL raddr in ppcmas_tlb_check Alexander Graf
2012-01-21 4:15 ` [Qemu-devel] [PATCH 6/8] PPC: booke: add tlbnps handling Alexander Graf
2012-01-23 17:29 ` Scott Wood
2012-01-23 17:33 ` Alexander Graf [this message]
2012-01-21 4:15 ` [Qemu-devel] [PATCH 7/8] PPC: booke206: Check for min/max TLB entry size Alexander Graf
2012-01-23 17:32 ` Scott Wood
2012-01-23 17:33 ` Alexander Graf
2012-01-23 18:19 ` Scott Wood
2012-01-23 18:41 ` Alexander Graf
2012-01-23 18:49 ` Scott Wood
2012-01-23 20:03 ` Alexander Graf
2012-01-23 20:10 ` Scott Wood
2012-01-23 21:29 ` Alexander Graf
2012-01-23 21:41 ` Scott Wood
2012-01-21 4:15 ` [Qemu-devel] [PATCH 8/8] PPC: booke206: Implement tlbilx Alexander Graf
2012-01-21 20:04 ` Blue Swirl
2012-01-23 16:49 ` [Qemu-devel] [PATCH] " Alexander Graf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4F1D99CC.90203@suse.de \
--to=agraf@suse.de \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=scottwood@freescale.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).