Re: [Xen-devel] [PATCH v4 07/16] libxl/arm: Construct ACPI GTDT table

[Shannon Zhao <zhaoshenglong@xxxxxxxxxx>]

On 2016/8/24 22:13, Roger Pau Monné wrote:
> On Wed, Aug 24, 2016 at 01:56:04PM +0100, Wei Liu wrote:
>> On Tue, Aug 16, 2016 at 06:25:04PM +0800, Shannon Zhao wrote:
>>> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>>>
>>> Construct GTDT table with the interrupt information of timers.
>>>
>>> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>>> ---
>>>  tools/libxl/libxl_arm_acpi.c | 29 +++++++++++++++++++++++++++++
>>>  1 file changed, 29 insertions(+)
>>>
>>> diff --git a/tools/libxl/libxl_arm_acpi.c b/tools/libxl/libxl_arm_acpi.c
>>> index 8cd1d9b..28fb6fe 100644
>>> --- a/tools/libxl/libxl_arm_acpi.c
>>> +++ b/tools/libxl/libxl_arm_acpi.c
>>> @@ -24,10 +24,18 @@ typedef uint8_t u8;
>>>  typedef uint16_t u16;
>>>  typedef uint32_t u32;
>>>  typedef uint64_t u64;
>>> +typedef int64_t s64;
>>>  
>>>  #include <acpi/acconfig.h>
>>>  #include <acpi/actbl.h>
>>>  
>>> +#include <asm-generic/bitsperlong.h>
>>
>> Hmm... This is likely to be Linux-centric. But I'm not sure if FreeBSD
>> or other BSDes have plan for Xen on ARM support.
> 
> I would certainly love to see that happen, but I don't see myself working on 
> that in the near future. In any case, this is a Linux-specific header, and 
> should be included in libxl_osdeps.h. I would recommend that you use 
> something like:
> 
> #ifndef BITS_PER_LONG
> #ifdef _LP64
> #define BITS_PER_LONG 64
> #else
> #define BITS_PER_LONG 32
> #endif
> #endif
> 
> So that it works on other systems also (or maybe you don't even need to 
> include bitsperlong.h at all).
> 
OK, will fix this.

Thanks,
-- 
Shannon


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