From: afzal.mohd.ma@gmail.com (afzal mohammed)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] ARM: nommu: display vectors base
Date: Thu, 19 Jan 2017 02:08:37 +0530 [thread overview]
Message-ID: <20170118203837.6536-1-afzal.mohd.ma@gmail.com> (raw)
In-Reply-To: <20170118203525.6246-1-afzal.mohd.ma@gmail.com>
The exception base address is now dynamically estimated for no-MMU
case, display it.
Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com>
---
arch/arm/mm/init.c | 5 +++++
arch/arm/mm/mm.h | 5 +++--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index cf47f86f79ed..9e11f255c3bf 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -522,7 +522,12 @@ 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(VECTORS_BASE), UL(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),
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index ce727d47275c..546f09437fca 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -79,8 +79,9 @@ struct static_vm {
extern struct list_head static_vmlist;
extern struct static_vm *find_static_vm_vaddr(void *vaddr);
extern __init void add_static_vm_early(struct static_vm *svm);
-
-#endif
+#else /* CONFIG_MMU */
+extern unsigned long vectors_base;
+#endif /* CONFIG_MMU */
#ifdef CONFIG_ZONE_DMA
extern phys_addr_t arm_dma_limit;
--
2.11.0
next prev parent reply other threads:[~2017-01-18 20:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 20:35 [PATCH 0/4] ARM: v7-A !MMU support, CONFIG_VECTORS_BASE removal (almost) afzal mohammed
2017-01-18 20:37 ` [PATCH 1/4] ARM: mmu: decouple VECTORS_BASE from Kconfig afzal mohammed
2017-01-19 13:21 ` Afzal Mohammed
2017-01-19 14:07 ` kbuild test robot
2017-01-19 14:24 ` Russell King - ARM Linux
2017-01-20 16:06 ` Afzal Mohammed
2017-01-22 3:27 ` Afzal Mohammed
2017-01-18 20:38 ` [PATCH 2/4] ARM: nommu: dynamic exception base address setting afzal mohammed
2017-01-19 13:59 ` Vladimir Murzin
2017-01-20 16:20 ` Afzal Mohammed
2017-01-22 3:37 ` Afzal Mohammed
2017-01-18 20:38 ` afzal mohammed [this message]
2017-01-18 22:13 ` [PATCH 3/4] ARM: nommu: display vectors base Russell King - ARM Linux
2017-01-19 13:16 ` Afzal Mohammed
2017-01-30 12:09 ` Russell King - ARM Linux
2017-01-18 20:39 ` [PATCH 4/4] ARM: nommu: remove Hivecs configuration is asm afzal mohammed
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