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| author | Max Filippov <jcmvbkbc@gmail.com> | 2016-04-11 20:14:17 +0200 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2016-07-24 05:33:58 +0200 |
| commit | d39af90265feb40ec198c4ca8268724645b4b50e (patch) | |
| tree | 32c3aed4a66a243251ca0a9e195c4ba8e6dddeeb /arch/xtensa/include/uapi | |
| parent | xtensa: move kernel mapping addresses into kmem_layout.h (diff) | |
| download | linux-d39af90265feb40ec198c4ca8268724645b4b50e.tar.xz linux-d39af90265feb40ec198c4ca8268724645b4b50e.zip | |
xtensa: add alternative kernel memory layouts
MMUv3 is able to support low memory bigger than 128MB.
Implement 256MB and 512MB KSEG layouts:
- add Kconfig selector for KSEG layout;
- add KSEG base address, size and alignment definitions to
arch/xtensa/include/asm/kmem_layout.h;
- use new definitions in TLB initialization;
- add build time memory map consistency checks.
See Documentation/xtensa/mmu.txt for the details of new memory layouts.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/include/uapi')
| -rw-r--r-- | arch/xtensa/include/uapi/asm/types.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/xtensa/include/uapi/asm/types.h b/arch/xtensa/include/uapi/asm/types.h index 87ec7ae73cb1..2efc921506c4 100644 --- a/arch/xtensa/include/uapi/asm/types.h +++ b/arch/xtensa/include/uapi/asm/types.h @@ -18,7 +18,8 @@ # define __XTENSA_UL_CONST(x) x #else # define __XTENSA_UL(x) ((unsigned long)(x)) -# define __XTENSA_UL_CONST(x) x##UL +# define ___XTENSA_UL_CONST(x) x##UL +# define __XTENSA_UL_CONST(x) ___XTENSA_UL_CONST(x) #endif #ifndef __ASSEMBLY__ |