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authorAfzal Mohammed <afzal.mohd.ma@gmail.com>2017-02-01 13:39:18 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2017-02-28 11:06:14 +0000
commit58c16709f9cad7e6daabeaa5c94ac4dcb260aedd (patch)
tree879c8d14ebe6d63d92929296f09074275446593a /arch/arm/include/asm/memory.h
parentARM: 8647/2: nommu: dynamic exception base address setting (diff)
downloadlinux-dev-58c16709f9cad7e6daabeaa5c94ac4dcb260aedd.tar.xz
linux-dev-58c16709f9cad7e6daabeaa5c94ac4dcb260aedd.zip
ARM: 8648/2: nommu: display vectors base
VECTORS_BASE displays the exception base address. Now on no-MMU as the exception base address is dynamically estimated, define VECTORS_BASE to the variable holding it. As it is the case, limit VECTORS_BASE constant definition to MMU. Suggested-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: afzal mohammed <afzal.mohd.ma@gmail.com> Tested-by: Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/memory.h')
-rw-r--r--arch/arm/include/asm/memory.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 00bd3529854a..1f54e4e98c1e 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -83,8 +83,15 @@
#define IOREMAP_MAX_ORDER 24
#endif
+#define VECTORS_BASE UL(0xffff0000)
+
#else /* CONFIG_MMU */
+#ifndef __ASSEMBLY__
+extern unsigned long vectors_base;
+#define VECTORS_BASE vectors_base
+#endif
+
/*
* The limitation of user task size can grow up to the end of free ram region.
* It is difficult to define and perhaps will never meet the original meaning
@@ -111,8 +118,6 @@
#endif /* !CONFIG_MMU */
-#define VECTORS_BASE UL(0xffff0000)
-
#ifdef CONFIG_XIP_KERNEL
#define KERNEL_START _sdata
#else