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From: Roy Franz <roy.franz@linaro.org>
To: Jan Beulich <JBeulich@suse.com>
Cc: keir <keir@xen.org>, Ian Campbell <Ian.Campbell@citrix.com>,
	tim <tim@xen.org>, xen-devel <xen-devel@lists.xen.org>,
	Stefano Stabellini <stefano.stabellini@citrix.com>,
	Fu Wei <fu.wei@linaro.org>
Subject: Re: [PATCH V4 04/15] Add architecture functions for pre/post ExitBootServices
Date: Fri, 12 Sep 2014 09:57:01 -0700	[thread overview]
Message-ID: <CAFECyb_UmNnAPwSDzVbs8sAfc8WwZF8eKPVLtU6Kz9cQFxmD7A@mail.gmail.com> (raw)
In-Reply-To: <5412DFE2020000780003468B@mail.emea.novell.com>


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On Fri, Sep 12, 2014 at 2:58 AM, Jan Beulich <JBeulich@suse.com> wrote:

> >>> On 12.09.14 at 11:46, <Ian.Campbell@citrix.com> wrote:
> > On Fri, 2014-09-12 at 08:08 +0100, Jan Beulich wrote:
> >> >>> On 11.09.14 at 19:44, <roy.franz@linaro.org> wrote:
> >> > On Thu, Sep 11, 2014 at 7:13 AM, Jan Beulich <JBeulich@suse.com>
> wrote:
> >> >>>>> On 10.09.14 at 02:51, <roy.franz@linaro.org> wrote:
> >> >>>      status = efi_bs->ExitBootServices(ImageHandle, mmap_key);
> >> >>>      if ( EFI_ERROR(status) )
> >> >>>          PrintErrMesg(L"Cannot exit boot services", status);
> >> >>>
> >> >>> -    /* Adjust pointers into EFI. */
> >> >>> -    efi_ct = (void *)efi_ct + DIRECTMAP_VIRT_START;
> >> >>> -#ifdef USE_SET_VIRTUAL_ADDRESS_MAP
> >> >>> -    efi_rs = (void *)efi_rs + DIRECTMAP_VIRT_START;
> >> >>> -#endif
> >> >>> -    efi_memmap = (void *)efi_memmap + DIRECTMAP_VIRT_START;
> >> >>> -    efi_fw_vendor = (void *)efi_fw_vendor + DIRECTMAP_VIRT_START;
> >> >>> -
> >> >>> -    efi_arch_relocate_image(__XEN_VIRT_START - xen_phys_start);
> >> >>
> >> >> Up to here I don't see anything arch-specific again.
> >> > This is due to runtime services not being implemented.  The "efi_rs"
> >> > variable is defined in the runtime services
> >> > file runtime.c, which is not yet ported to ARM.
> >> >
> >> > Short of including ARM runtime service support in the patchset, how
> >> > would you like this handled?
> >>
> >> As said before, everything that's generic but not used/usable on
> >> ARM right now should stay here, but get made conditional in one
> >> or another way.
> >
> > So in this case a HAVE_EFI_RUNTIMESERVICES ifdef would work?
>
> Yes (except that in the case I would use NEED_ or WANT_ instead
> of HAVE_). But considering this is intended to be temporary, I'd
> even be fine with just using CONFIG_ARM or alike here.
>
> Jan
>
> OK, I'll move this back.  Just having the #ifdefs in runtime.c will help a
lot.

Is commenting the #ifef like so acceptable:

#ifndef CONFIG_ARM  /* TODO - disabled until EFI runtime services
implemented */

Thanks,
Roy

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  reply	other threads:[~2014-09-12 16:57 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-10  0:51 [PATCH V4 00/15] arm64 EFI stub Roy Franz
2014-09-10  0:51 ` [PATCH V4 01/15] move x86 EFI boot code to common/efi Roy Franz
2014-09-11 13:50   ` Jan Beulich
2014-09-11 17:16     ` Roy Franz
2014-09-12  6:55       ` Jan Beulich
2014-09-10  0:51 ` [PATCH V4 02/15] Move x86 specific funtions/variables to arch header Roy Franz
2014-09-11 14:03   ` Jan Beulich
2014-09-11 17:33     ` Roy Franz
2014-09-12  7:04       ` Jan Beulich
2014-09-12  9:43         ` Ian Campbell
2014-09-12  9:53           ` Jan Beulich
2014-09-12  9:58             ` Ian Campbell
2014-09-12 16:52         ` Roy Franz
2014-09-10  0:51 ` [PATCH V4 03/15] create arch functions to get and process EFI memory map Roy Franz
2014-09-11 14:11   ` Jan Beulich
2014-09-11 17:40     ` Roy Franz
2014-09-12  7:07       ` Jan Beulich
2014-09-12  9:45         ` Ian Campbell
2014-09-12  9:56           ` Jan Beulich
2014-09-12 10:23             ` Ian Campbell
2014-09-12 10:35               ` Jan Beulich
2014-09-12 17:01                 ` Roy Franz
2014-09-10  0:51 ` [PATCH V4 04/15] Add architecture functions for pre/post ExitBootServices Roy Franz
2014-09-11 14:13   ` Jan Beulich
2014-09-11 17:44     ` Roy Franz
2014-09-12  7:08       ` Jan Beulich
2014-09-12  9:46         ` Ian Campbell
2014-09-12  9:58           ` Jan Beulich
2014-09-12 16:57             ` Roy Franz [this message]
2014-09-15  8:47               ` Jan Beulich
2014-09-10  0:51 ` [PATCH V4 05/15] Add efi_arch_cfg_file() to handle arch specific cfg file fields Roy Franz
2014-09-11 14:16   ` Jan Beulich
2014-09-11 18:11     ` Roy Franz
2014-09-12  7:10       ` Jan Beulich
2014-09-10  0:51 ` [PATCH V4 06/15] Add efi_arch_handle_cmdline() for processing commandline Roy Franz
2014-09-11 14:22   ` Jan Beulich
2014-09-11 18:24     ` Roy Franz
2014-09-10  0:51 ` [PATCH V4 07/15] Move x86 specific video and disk probing code Roy Franz
2014-09-11 14:26   ` Jan Beulich
2014-09-11 18:30     ` Roy Franz
2014-09-12  7:12       ` Jan Beulich
2014-09-10  0:51 ` [PATCH V4 08/15] Add efi_arch_memory() for arch specific memory setup Roy Franz
2014-09-11 14:27   ` Jan Beulich
2014-09-10  0:51 ` [PATCH V4 09/15] Add arch specific module handling to read_file() Roy Franz
2014-09-11 14:40   ` Jan Beulich
2014-09-10  0:52 ` [PATCH V4 10/15] Add SMBIOS and runtime services setup arch functions Roy Franz
2014-09-11 14:44   ` Jan Beulich
2014-09-11 22:03     ` Roy Franz
2014-09-11 23:41       ` Stefano Stabellini
2014-09-12  7:14       ` Jan Beulich
2014-09-12 16:24         ` Roy Franz
2014-09-10  0:52 ` [PATCH V4 11/15] Add several misc. arch functions for EFI boot code Roy Franz
2014-09-11 14:45   ` Jan Beulich
2014-09-10  0:52 ` [PATCH V4 12/15] Add efi_arch_use_config_file() function to control use of config file Roy Franz
2014-09-11 14:49   ` Jan Beulich
2014-09-11 23:54     ` Stefano Stabellini
2014-09-12  7:15       ` Jan Beulich
2014-09-12 16:30         ` Roy Franz
2014-09-10  0:52 ` [PATCH V4 13/15] add arm64 cache flushing code from linux v3.16 Roy Franz
2014-09-10  0:52 ` [PATCH V4 14/15] Update libfdt to v1.4.0 Roy Franz
2014-09-10  0:52 ` [PATCH V4 15/15] Add ARM EFI boot support Roy Franz
2014-09-11 14:53   ` Jan Beulich
2014-09-11 22:26     ` Roy Franz
2014-09-12  7:17       ` Jan Beulich
2014-09-12  0:49   ` Stefano Stabellini
2014-09-12  3:21     ` Roy Franz
2014-09-12 17:41       ` Stefano Stabellini
2014-09-12 17:50         ` Roy Franz
2014-09-12 17:55           ` Stefano Stabellini
2014-09-22 11:13             ` Ian Campbell
2014-09-23 12:39               ` Stefano Stabellini

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