[Xen-devel,v2,for-4.9,1/5] xen/arm: Add BOOT_FDT_VIRT_END and BOOT_FDT_SLOT_SIZE

Message ID 20170420151228.19158-2-julien.grall@arm.com
State New
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  • xen/arm: Properly map the FDT in the boot page table
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Commit Message

Julien Grall April 20, 2017, 3:12 p.m.
The 2 new defines will help to avoid hardcoding the size and the end of
the slot in the code.

The newlines are added for clarity.

Signed-off-by: Julien Grall <julien.grall@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

    Changes in v2:
        - Add Stefano's reviewed-by
 xen/include/asm-arm/config.h | 4 ++++
 1 file changed, 4 insertions(+)

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diff --git a/xen/include/asm-arm/config.h b/xen/include/asm-arm/config.h
index b2edf95f72..9c14a385e7 100644
--- a/xen/include/asm-arm/config.h
+++ b/xen/include/asm-arm/config.h
@@ -111,7 +111,11 @@ 
 #define XEN_VIRT_START         _AT(vaddr_t,0x00200000)
 #define FIXMAP_ADDR(n)        (_AT(vaddr_t,0x00400000) + (n) * PAGE_SIZE)
 #define BOOT_FDT_VIRT_START    _AT(vaddr_t,0x00600000)
+#define BOOT_FDT_SLOT_SIZE     MB(2)
 #define BOOT_RELOC_VIRT_START  _AT(vaddr_t,0x00800000)
 #define LIVEPATCH_VMAP_START   _AT(vaddr_t,0x00800000)