diff mbox series

[Xen-devel,for-4.9,1/4] xen/arm: Add BOOT_FDT_VIRT_END and BOOT_FDT_SLOT_SIZE

Message ID 20170419171311.3243-2-julien.grall@arm.com
State Superseded
Headers show
Series xen/arm: Properly map the FDT in the boot page table | expand

Commit Message

Julien Grall April 19, 2017, 5:13 p.m. UTC 
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>
---
 xen/include/asm-arm/config.h | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Stefano Stabellini April 19, 2017, 9:01 p.m. UTC | #1 
On Wed, 19 Apr 2017, Julien Grall wrote:
> 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>


> ---
>  xen/include/asm-arm/config.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> 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_FDT_VIRT_END      (BOOT_FDT_VIRT_START + BOOT_FDT_SLOT_SIZE)
> +
>  #define BOOT_RELOC_VIRT_START  _AT(vaddr_t,0x00800000)
>  #ifdef CONFIG_LIVEPATCH
>  #define LIVEPATCH_VMAP_START   _AT(vaddr_t,0x00800000)
> -- 
> 2.11.0
>
diff mbox series

Patch

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_FDT_VIRT_END      (BOOT_FDT_VIRT_START + BOOT_FDT_SLOT_SIZE)
+
 #define BOOT_RELOC_VIRT_START  _AT(vaddr_t,0x00800000)
 #ifdef CONFIG_LIVEPATCH
 #define LIVEPATCH_VMAP_START   _AT(vaddr_t,0x00800000)