All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: xen-devel@lists.xen.org
Cc: edgar.iglesias@xilinx.com, julien.grall@arm.com, sstabellini@kernel.org
Subject: [RFC v1 3/6] xen/arm: Allow platform_hvc to handle guest SMC calls
Date: Mon, 30 Jan 2017 18:21:52 +0100	[thread overview]
Message-ID: <1485796915-9372-4-git-send-email-edgar.iglesias@gmail.com> (raw)
In-Reply-To: <1485796915-9372-1-git-send-email-edgar.iglesias@gmail.com>

From: "Edgar E. Iglesias" <edgar.iglesias@xilinx.com>

Allow platform_hvc to handle guest SMC calls (as well as
HVC calls) in a platform specific way.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
---
 xen/arch/arm/traps.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index e8cd111..1925122 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -2622,6 +2622,9 @@ static void do_trap_smc(struct cpu_user_regs *regs, const union hsr hsr)
     if ( current->domain->arch.monitor.privileged_call_enabled )
         rc = monitor_smc();
 
+    if ( platform_hvc(regs) )
+        rc = 1;
+
     if ( rc != 1 )
         inject_undef_exception(regs, hsr);
 }
-- 
2.7.4


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel

  parent reply	other threads:[~2017-01-30 17:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-30 17:21 [RFC v1 0/6] zynqmp: Add forwarding of platform specific firmware calls Edgar E. Iglesias
2017-01-30 17:21 ` [RFC v1 1/6] xen/arm: traps: Reorder early overwrite of FID Edgar E. Iglesias
2017-01-30 17:21 ` [RFC v1 2/6] xen/arm: Introduce platform_hvc Edgar E. Iglesias
2017-01-30 17:21 ` Edgar E. Iglesias [this message]
2017-01-30 17:21 ` [RFC v1 4/6] xen/arm: Introduce call_smcc64 Edgar E. Iglesias
2017-01-30 17:21 ` [RFC v1 5/6] xen/arm: zynqmp: Forward plaform specific firmware calls Edgar E. Iglesias
2017-01-31  9:52   ` Edgar E. Iglesias
2017-01-30 17:21 ` [RFC v1 6/6] xen/arm: zynqmp: Remove blacklist of ZynqMP's PM node Edgar E. Iglesias

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=1485796915-9372-4-git-send-email-edgar.iglesias@gmail.com \
    --to=edgar.iglesias@gmail.com \
    --cc=edgar.iglesias@xilinx.com \
    --cc=julien.grall@arm.com \
    --cc=sstabellini@kernel.org \
    --cc=xen-devel@lists.xen.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.