[U-Boot] U-boot for 64bit ARMv8

[FengHua]

> -----Original Messages-----
> From: TigerLiu at viatech.com.cn
> Sent Time: 2014-01-23 14:44:36 (Thursday)
> To: u-boot at lists.denx.de
> Cc: 
> Subject: [U-Boot]  U-boot for 64bit ARMv8
> 
> Hi, experts:
> I found ARMv8/Exceptions.S only created a 8 items vector table.
> 
> But based on ARMv8 Arch Ref Manual, it should create 16 items in a
> vector table:
> Current Exception level with SP_EL0 : 4 items
> Current Exception level with SP_Elx : 4 items
> EL immediately lower than target_EL is using AARCH64 : 4 items
> EL immediately lower than target_EL is using AARCH32 : 4 items
> 
> Are current 8 items enough? Or will patch it in the future?
> 

Currently, u-boot for aarch64 does not provide any run time service.
So, the low level exception entries are not implemented. 

Best wishes,