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| author | Afzal Mohammed <afzal.mohd.ma@gmail.com> | 2017-02-01 13:39:18 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2017-02-28 11:06:14 +0000 |
| commit | 58c16709f9cad7e6daabeaa5c94ac4dcb260aedd (patch) | |
| tree | 879c8d14ebe6d63d92929296f09074275446593a /arch | |
| parent | f8300a0b5de08c09db105db3c34a2a1c618e147e (diff) | |
| download | linux-58c16709f9cad7e6daabeaa5c94ac4dcb260aedd.tar.bz2 | |
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')
| -rw-r--r-- | arch/arm/include/asm/memory.h | 9 |
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 |