Messages in this thread | | | Date | Tue, 27 Sep 2022 09:13:58 -0700 | From | Ira Weiny <> | Subject | Re: [RFC PATCH 7/9] cxl/test: Add generic mock events |
| |
On Tue, Sep 27, 2022 at 02:56:23PM +0100, Jonathan Cameron wrote: > On Mon, 26 Sep 2022 14:39:52 -0700 > Ira Weiny <ira.weiny@intel.com> wrote: > > > On Tue, Sep 20, 2022 at 09:17:48AM -0700, Jonathan Cameron wrote: > > > On Thu, 15 Sep 2022 11:53:29 -0700 > > > Ira Weiny <ira.weiny@intel.com> wrote: > > > > > > > On Thu, Aug 25, 2022 at 12:31:19PM +0100, Jonathan Cameron wrote: > > > > > On Fri, 12 Aug 2022 22:32:41 -0700 > > > > > ira.weiny@intel.com wrote: > > > > > > > > > > > From: Ira Weiny <ira.weiny@intel.com> > > > > > > > > > > > > Facilitate testing basic Get/Clear Event functionality by creating > > > > > > multiple logs and generic events with made up UUID's. > > > > > > > > > > > > Data is completely made up with data patterns which should be easy to > > > > > > spot in trace output. > > > > > Hi Ira, > > > > > > > > > > I'm tempted to hack the QEMU emulation for this in with appropriately > > > > > complex interface to inject all the record types... > > > > > > > > Every time I look at the QEMU code it makes my head spin. :-( > > > > > > You get used to it ;)` > > > > I'm trying... :-/ > > > > Question though: > > > > Is there a call in qemu which is equivalent to cpu_to_leXX()? The > > exec/cpu-all.h is having compilation issues for me because the > > TARGET_BIG_ENDIAN is not defined (it is defined in a meson generated header). > > > > So I'm afraid that the tswapXX() calls are not what I'm supposed to use. Is > > this true? Are those some sort of internal call? > I'm confused. There is cpu_to_le16 in "qemu/bswap.h"
<sigh> I don't know how I missed it. Sorry.
> > I suspect we've played a bit fast and loose with endianness in a few places in > current qemu code and should probably check all that sometime.
Yea nothing in hw/cxl seems to use any swapping. I suppose only little endian hosts have been used thus far?
I greped for 'ENDIAN' and found the tswap* calls. I guess I should have grepped for 'cpu_to'! That found it right away! :-/ :-D
Sorry for the distraction, Ira
> Jonathan > > > > > > > Ira >
| |