From: Ian Campbell <ian.campbell@citrix.com>
To: xen-devel@lists.xen.org
Cc: julien.grall@linaro.org, tim@xen.org,
Ian Campbell <ian.campbell@citrix.com>,
stefano.stabellini@eu.citrix.com
Subject: [PATCH v4 01/11] xen: arm: Load xen under 4GB on 32-bit
Date: Fri, 27 Sep 2013 14:29:46 +0100 [thread overview]
Message-ID: <1380288596-1514-1-git-send-email-ian.campbell@citrix.com> (raw)
In-Reply-To: <1380288533.29483.192.camel@kazak.uk.xensource.com>
We need to be able to use a 1:1 mapping during bring up.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Tim Deegan <tim@xen.org>
---
xen/arch/arm/setup.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/xen/arch/arm/setup.c b/xen/arch/arm/setup.c
index d97b900..315fa1d 100644
--- a/xen/arch/arm/setup.c
+++ b/xen/arch/arm/setup.c
@@ -323,6 +323,14 @@ static paddr_t __init get_xen_paddr(void)
if ( !e )
continue;
+#ifdef CONFIG_ARM_32
+ /* Xen must be under 4GB */
+ if ( e > 0x100000000ULL )
+ e = 0x100000000ULL;
+ if ( e < bank->start )
+ continue;
+#endif
+
s = e - min_size;
if ( s > paddr )
--
1.7.10.4
next prev parent reply other threads:[~2013-09-27 13:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-27 13:28 [PATCH v4 00/11] xen: arm: rework early bring up Ian Campbell
2013-09-27 13:29 ` Ian Campbell [this message]
2013-09-27 13:29 ` [PATCH v4 02/11] xen: arm: build platform support only on the relevant arch Ian Campbell
2013-09-27 13:29 ` [PATCH v4 03/11] xen: arm: Log the raw MIDR on boot Ian Campbell
2013-09-27 13:29 ` [PATCH v4 04/11] xen: arm: make sure we stay within the memory bank during mm setup Ian Campbell
2013-09-27 13:29 ` [PATCH v4 05/11] xen: arm: add two new device tree helpers Ian Campbell
2013-09-27 13:29 ` [PATCH v4 06/11] xen: arm: implement arch/platform SMP and CPU initialisation framework Ian Campbell
2013-09-27 13:29 ` [PATCH v4 07/11] xen: arm: implement smp initialisation callbacks for exynos5 Ian Campbell
2013-09-27 15:12 ` Julien Grall
2013-09-27 13:29 ` [PATCH v4 08/11] xen: arm: rewrite start of day page table and cpu bring up Ian Campbell
2013-09-27 13:29 ` [PATCH v4 09/11] xen: arm: use symbolic names for MPIDR bits Ian Campbell
2013-09-27 13:29 ` [PATCH v4 10/11] xen: arm: configure TCR_EL2 for 40 bit physical address space Ian Campbell
2013-09-27 13:29 ` [PATCH v4 11/11] xen: arm: split cpu0's domheap mapping PTs out from xen_second Ian Campbell
2013-09-27 15:44 ` [PATCH EXTRA] xen: arm: move smp_init_cpus to smpboot.c Ian Campbell
2013-09-27 15:47 ` Julien Grall
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