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From: afzal mohammed <afzal.mohd.ma@gmail.com>
To: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: Vladimir Murzin <vladimir.murzin@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	afzal mohammed <afzal.mohd.ma@gmail.com>
Subject: [PATCH WIP 3/4] ARM: mm: nommu: display dynamic exception base
Date: Sat,  7 Jan 2017 22:52:00 +0530	[thread overview]
Message-ID: <20170107172200.6397-1-afzal.mohd.ma@gmail.com> (raw)
In-Reply-To: <20170107171339.GA5044@afzalpc>

Display dynamically estimated nommu exception base.

TODO: Dynamically update MMU case too.

Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>
---
 arch/arm/mm/init.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 370581aeb871..1777ee23a6a2 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -39,6 +39,10 @@
 
 #include "mm.h"
 
+#ifndef CONFIG_MMU
+extern unsigned long vectors_base;
+#endif
+
 #ifdef CONFIG_CPU_CP15_MMU
 unsigned long __init __clear_cr(unsigned long mask)
 {
@@ -521,8 +525,13 @@ void __init mem_init(void)
 			"      .data : 0x%p" " - 0x%p" "   (%4td kB)\n"
 			"       .bss : 0x%p" " - 0x%p" "   (%4td kB)\n",
 
+#ifdef CONFIG_MMU
 			MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
 				(PAGE_SIZE)),
+#else
+			MLK_ROUNDUP(vectors_base, vectors_base + PAGE_SIZE),
+#endif
+
 #ifdef CONFIG_HAVE_TCM
 			MLK(DTCM_OFFSET, (unsigned long) dtcm_end),
 			MLK(ITCM_OFFSET, (unsigned long) itcm_end),
-- 
2.11.0

WARNING: multiple messages have this Message-ID (diff)
From: afzal.mohd.ma@gmail.com (afzal mohammed)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH WIP 3/4] ARM: mm: nommu: display dynamic exception base
Date: Sat,  7 Jan 2017 22:52:00 +0530	[thread overview]
Message-ID: <20170107172200.6397-1-afzal.mohd.ma@gmail.com> (raw)
In-Reply-To: <20170107171339.GA5044@afzalpc>

Display dynamically estimated nommu exception base.

TODO: Dynamically update MMU case too.

Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>
---
 arch/arm/mm/init.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 370581aeb871..1777ee23a6a2 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -39,6 +39,10 @@
 
 #include "mm.h"
 
+#ifndef CONFIG_MMU
+extern unsigned long vectors_base;
+#endif
+
 #ifdef CONFIG_CPU_CP15_MMU
 unsigned long __init __clear_cr(unsigned long mask)
 {
@@ -521,8 +525,13 @@ void __init mem_init(void)
 			"      .data : 0x%p" " - 0x%p" "   (%4td kB)\n"
 			"       .bss : 0x%p" " - 0x%p" "   (%4td kB)\n",
 
+#ifdef CONFIG_MMU
 			MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
 				(PAGE_SIZE)),
+#else
+			MLK_ROUNDUP(vectors_base, vectors_base + PAGE_SIZE),
+#endif
+
 #ifdef CONFIG_HAVE_TCM
 			MLK(DTCM_OFFSET, (unsigned long) dtcm_end),
 			MLK(ITCM_OFFSET, (unsigned long) itcm_end),
-- 
2.11.0

  parent reply	other threads:[~2017-01-07 17:22 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-11 13:10 [PATCH 0/2] ARM: v7-A !MMU fixes for fun (&fame) Afzal Mohammed
2016-12-11 13:10 ` Afzal Mohammed
2016-12-11 13:11 ` [PATCH 1/2] ARM: nommu: allow enabling REMAP_VECTORS_TO_RAM Afzal Mohammed
2016-12-11 13:11   ` Afzal Mohammed
2016-12-13  9:17   ` Vladimir Murzin
2016-12-13  9:17     ` Vladimir Murzin
2016-12-11 13:12 ` [PATCH RFC 2/2] ARM: nommu: remap exception base address to RAM Afzal Mohammed
2016-12-11 13:12   ` Afzal Mohammed
2016-12-11 14:42   ` Afzal Mohammed
2016-12-11 14:42     ` Afzal Mohammed
2016-12-13  9:38   ` Vladimir Murzin
2016-12-13  9:38     ` Vladimir Murzin
2016-12-13 18:44     ` Afzal Mohammed
2016-12-13 18:44       ` Afzal Mohammed
2016-12-13 10:02   ` Russell King - ARM Linux
2016-12-13 10:02     ` Russell King - ARM Linux
2016-12-13 18:35     ` Afzal Mohammed
2016-12-13 18:35       ` Afzal Mohammed
2017-01-07 17:13     ` Afzal Mohammed
2017-01-07 17:13       ` Afzal Mohammed
2017-01-07 17:20       ` [PATCH WIP 1/4] ARM: nommu: dynamic exception base address setting afzal mohammed
2017-01-07 17:20         ` afzal mohammed
2017-01-07 17:21       ` [PATCH WIP 2/4] ARM: nommu: remove Hivecs configuration is asm afzal mohammed
2017-01-07 17:21         ` afzal mohammed
2017-01-07 17:22       ` afzal mohammed [this message]
2017-01-07 17:22         ` [PATCH WIP 3/4] ARM: mm: nommu: display dynamic exception base afzal mohammed
2017-01-07 17:22       ` [PATCH WIP 4/4] ARM: remove compile time vector base for CP15 case afzal mohammed
2017-01-07 17:22         ` afzal mohammed
2017-01-07 17:38         ` Russell King - ARM Linux
2017-01-07 17:38           ` Russell King - ARM Linux
2017-01-07 18:02           ` Afzal Mohammed
2017-01-07 18:02             ` Afzal Mohammed
2017-01-07 18:07             ` Afzal Mohammed
2017-01-07 18:07               ` Afzal Mohammed
2017-01-07 18:24             ` Russell King - ARM Linux
2017-01-07 18:24               ` Russell King - ARM Linux
2017-01-08  9:58               ` Afzal Mohammed
2017-01-08  9:58                 ` Afzal Mohammed
2017-01-15 11:47       ` [PATCH RFC 2/2] ARM: nommu: remap exception base address to RAM Afzal Mohammed
2017-01-15 11:47         ` Afzal Mohammed
2017-01-16  9:53         ` Vladimir Murzin
2017-01-16  9:53           ` Vladimir Murzin
2017-01-16 12:34           ` Afzal Mohammed
2017-01-16 12:34             ` Afzal Mohammed
2016-12-12 18:44 ` [PATCH 0/2] ARM: v7-A !MMU fixes for fun (&fame) Afzal Mohammed
2016-12-12 18:44   ` Afzal Mohammed
2016-12-12 20:42   ` Peter Korsgaard
2016-12-12 20:42     ` Peter Korsgaard

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