ast basic commands
like dmesg, bt, ps, etc.)? If yes for both you can add:
Reviewed-by: Daniel Kiper
Daniel
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End thread.
> });
> }
>
> for my $i (0..99)
> {
> threaded_task();
> }
> -snip-
>
> ---
> When kexec_do_unload calls kexec_swap_images to get the old kexec_image to
> free, it passes NULL for the new kexec_image pointer. The new slot wasn't
> being
> On 03/04/17 14:42, Daniel Kiper wrote:
> > On Fri, Mar 31, 2017 at 12:14:38PM +0200, Juergen Gross wrote:
> >> For kdump to work correctly it needs the physical address of
> >> vmcoreinfo_note. When running as dom0 this means the virtual address
> >> has to
On Thu, Apr 06, 2017 at 09:32:32AM +0100, Julien Grall wrote:
> Hi Juergen,
>
> On 06/04/17 07:23, Juergen Gross wrote:
> >On 05/04/17 21:49, Boris Ostrovsky wrote:
> >>On 04/05/2017 02:14 PM, Julien Grall wrote:
> >>>The x86 code has theoritically a similar issue, altought EFI does not
> >>>seem t
On Thu, Apr 06, 2017 at 04:38:24PM +0200, Juergen Gross wrote:
> On 06/04/17 16:27, Daniel Kiper wrote:
> > On Thu, Apr 06, 2017 at 09:32:32AM +0100, Julien Grall wrote:
> >> Hi Juergen,
> >>
> >> On 06/04/17 07:23, Juergen Gross wrote:
> >>> On 05/
Hi Julien,
On Thu, Apr 06, 2017 at 04:39:13PM +0100, Julien Grall wrote:
> Hi Daniel,
>
> On 06/04/17 16:20, Daniel Kiper wrote:
> >On Thu, Apr 06, 2017 at 04:38:24PM +0200, Juergen Gross wrote:
> >>On 06/04/17 16:27, Daniel Kiper wrote:
> >>>On Thu, Apr 06, 20
On Thu, Apr 06, 2017 at 06:22:44PM +0200, Juergen Gross wrote:
> On 06/04/17 18:06, Daniel Kiper wrote:
> > Hi Julien,
> >
> > On Thu, Apr 06, 2017 at 04:39:13PM +0100, Julien Grall wrote:
> >> Hi Daniel,
> >>
> >> On 06/04/17 16:20, Daniel Kiper
On Fri, Apr 07, 2017 at 11:16:22AM +0200, Petr Tesarik wrote:
> On Wed, 5 Apr 2017 13:13:00 +0200
> Petr Tesarik wrote:
>
> > On Tue, 4 Apr 2017 12:42:53 -0700 (PDT)
> > Daniel Kiper wrote:
> >
> >[...]
> > > So, if Petr did relevant tests that is nice.
On Tue, Apr 11, 2017 at 01:46:37AM -0600, Jan Beulich wrote:
> >>> On 10.04.17 at 21:44, wrote:
>
> Please don't forget Cc-ing the maintainer(s) of the code being modified.
>
> > @@ -1187,12 +1182,22 @@ static int do_kexec_op_internal(unsigned long op,
> > XEN_GUES
On Tue, Apr 11, 2017 at 06:31:36AM -0600, Jan Beulich wrote:
> >>> On 11.04.17 at 13:24, wrote:
> > On Tue, Apr 11, 2017 at 01:46:37AM -0600, Jan Beulich wrote:
> >> >>> On 10.04.17 at 21:44, wrote:
> >> wouldn't it be better to handle this with a static state variable,
> >> which gets checked/se
On Tue, Apr 11, 2017 at 02:45:43PM +0200, Juergen Gross wrote:
> On 03/04/17 14:42, Daniel Kiper wrote:
> > On Fri, Mar 31, 2017 at 12:14:38PM +0200, Juergen Gross wrote:
> >> For kdump to work correctly it needs the physical address of
> >> vmcoreinfo_note. When run
On Tue, Apr 11, 2017 at 04:59:16PM +0200, Petr Tesarik wrote:
> On Tue, 11 Apr 2017 15:00:58 +0200
> Daniel Kiper wrote:
>
> > On Tue, Apr 11, 2017 at 02:45:43PM +0200, Juergen Gross wrote:
> > > On 03/04/17 14:42, Daniel Kiper wrote:
> > > > On Fri, Mar 3
s is used as base for Xen data relative addressing in 32-bit code
> > if it is possible; %esi is used for that thing during error printing
> > because it is not always possible to properly and efficiently
> > initialize %fs.
> >
> > Signed-off-by: Daniel Kiper
>
On Mon, Aug 22, 2016 at 04:10:04AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > The final goal is xen.efi binary file which could be loaded by EFI
> > loader, multiboot (v1) protocol (only on legacy BIOS platforms) and
> > multiboot2 protocol. This way we will have:
> > - sma
On Thu, Aug 25, 2016 at 05:21:24AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > Its visibility is not needed and just pollute symbol table.
> >
> > Suggested-by: Jan Beulich
> > Signed-off-by: Daniel Kiper
>
> With Andrew effective
On Thu, Aug 25, 2016 at 05:34:31AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > Create generic alloc and copy functions. We need
> > separate tools for memory allocation and copy to
> > provide multiboot2 protocol support.
> >
> > Sign
On Thu, Aug 25, 2016 at 05:50:04AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > +case MULTIBOOT2_TAG_TYPE_MMAP:
> > +if ( get_mb2_data(tag, mmap, entry_size) < sizeof(*mmap_src) )
> > +break;
> > +
> > +mbi_out->flags |= MBI_MEMMA
On Thu, Aug 25, 2016 at 06:16:35AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > --- a/xen/arch/x86/efi/stub.c
> > +++ b/xen/arch/x86/efi/stub.c
> > @@ -4,9 +4,10 @@
> > #include
> > #include
> >
> > -#ifndef efi_enabled
> > -const bool_t efi_enabled = 0;
> > -#endif
> > +bo
On Thu, Aug 25, 2016 at 06:59:54AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > @@ -100,19 +107,45 @@ multiboot2_header_start:
> > gdt_boot_descr:
> > .word 6*8-1
> > .long sym_phys(trampoline_gdt)
> > +.long 0 /* Needed for 64-bit lgdt */
> > +
On Thu, Aug 25, 2016 at 07:27:21AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > +#define NULL ((void *)0)
> > +
> > +#define __packed __attribute__((__packed__))
> > +#define __stdcall __attribute__((__stdcall__))
> > +
> > +#define max(x,y) ({ \
> > +const typ
On Thu, Aug 25, 2016 at 08:41:39AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
> > Every multiboot protocol (regardless of version) compatible image must
> > specify its load address (in ELF or multiboot header). Multiboot protocol
> > compatible loader have to load image at speci
On Tue, Aug 30, 2016 at 09:09:50AM -0600, Jan Beulich wrote:
> >>> On 30.08.16 at 16:15, wrote:
> > On Mon, Aug 22, 2016 at 04:10:04AM -0600, Jan Beulich wrote:
> >> >>> On 20.08.16 at 00:43, wrote:
> >> > The final goal is xen.efi binary file which could be loaded by EFI
> >> > loader, multiboot
ctions. We need
> >> > separate tools for memory allocation and copy to
> >> > provide multiboot2 protocol support.
> >> >
> >> > Signed-off-by: Daniel Kiper
> >>
> >> The amount of casting in this patch alone looks very reasonable now.
>
On Tue, Aug 30, 2016 at 09:14:28AM -0600, Jan Beulich wrote:
> >>> On 30.08.16 at 16:41, wrote:
> > On Thu, Aug 25, 2016 at 05:50:04AM -0600, Jan Beulich wrote:
> >> >>> On 20.08.16 at 00:43, wrote:
> >> > +case MULTIBOOT2_TAG_TYPE_MMAP:
> >> > +if ( get_mb2_data(tag, mmap, en
On Wed, Aug 31, 2016 at 06:49:51AM -0600, Jan Beulich wrote:
> >>> On 30.08.16 at 21:32, wrote:
> > On Thu, Aug 25, 2016 at 06:59:54AM -0600, Jan Beulich wrote:
> >> >>> On 20.08.16 at 00:43, wrote:
[...]
> >> > +paddr_t __init efi_multiboot2(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE
> >> > *Sy
On Wed, Aug 31, 2016 at 07:01:10AM -0600, Jan Beulich wrote:
> >>> On 30.08.16 at 21:58, wrote:
> > On Thu, Aug 25, 2016 at 07:27:21AM -0600, Jan Beulich wrote:
> >> >>> On 20.08.16 at 00:43, wrote:
[...]
> >> > +static unsigned int strtoui(const char *s, const char *stop, const char
> >> > **
Jan Beulich wrote:
> >> >> >>> On 20.08.16 at 00:43, wrote:
> >> >> > Create generic alloc and copy functions. We need
> >> >> > separate tools for memory allocation and copy to
> >> >> > provide multiboot2 protocol
On Wed, Aug 31, 2016 at 09:46:31AM -0600, Jan Beulich wrote:
> >>> On 31.08.16 at 16:59, wrote:
> > On Thu, Aug 25, 2016 at 08:41:39AM -0600, Jan Beulich wrote:
> >> >>> On 20.08.16 at 00:43, wrote:
[...]
> >> > --- a/xen/arch/x86/boot/head.S
> >> > +++ b/xen/arch/x86/boot/head.S
> >> > @@ -12,
On Wed, Aug 31, 2016 at 09:18:39PM +0100, Andrew Cooper wrote:
> On 19/08/2016 23:43, Daniel Kiper wrote:
> > @@ -106,3 +121,122 @@ multiboot_info_t __stdcall *reloc(u32 mbi_in, u32
> > trampoline)
> >
> > return mbi_out;
> > }
> > +
> >
On Thu, Sep 01, 2016 at 01:40:11AM -0600, Jan Beulich wrote:
> >>> On 31.08.16 at 19:07, wrote:
> > On Wed, Aug 31, 2016 at 06:49:51AM -0600, Jan Beulich wrote:
> >> >>> On 30.08.16 at 21:32, wrote:
> >> > On Thu, Aug 25, 2016 at 06:59:54AM -0600, Jan Beulich wrote:
> >> >> >>> On 20.08.16 at 00:
On Thu, Sep 01, 2016 at 01:41:26AM -0600, Jan Beulich wrote:
> >>> On 31.08.16 at 21:31, wrote:
> > On Wed, Aug 31, 2016 at 07:01:10AM -0600, Jan Beulich wrote:
> >> >>> On 30.08.16 at 21:58, wrote:
> >> > On Thu, Aug 25, 2016 at 07:27:21AM -0600, Jan Beulich wrote:
> >> >> >>> On 20.08.16 at 00:
On Thu, Sep 01, 2016 at 01:46:24AM -0600, Jan Beulich wrote:
> >>> On 31.08.16 at 22:50, wrote:
> > On Wed, Aug 31, 2016 at 09:46:31AM -0600, Jan Beulich wrote:
> >> >>> On 31.08.16 at 16:59, wrote:
> >> > On Thu, Aug 25, 2016 at 08:41:39AM -0600, Jan Beulich wrote:
> >> >> >>> On 20.08.16 at 00:
Hey Julien,
On Thu, Sep 01, 2016 at 01:47:05PM +0100, Julien Grall wrote:
> Hi Daniel,
>
> I have heard you became co-maintainer of GRUB. Congratulations for that :).
Thanks a lot!
> We have a couple series (this series and [1]) to allow grub booting
> Xen on ARM that have been waiting on the GR
On Fri, Sep 02, 2016 at 12:58:14AM -0600, Jan Beulich wrote:
> >>> On 01.09.16 at 23:19, wrote:
> > On Thu, Sep 01, 2016 at 01:46:24AM -0600, Jan Beulich wrote:
> >> >>> On 31.08.16 at 22:50, wrote:
> >> > On Wed, Aug 31, 2016 at 09:46:31AM -0600, Jan Beulich wrote:
> >> >> >>> On 31.08.16 at 16:
On Mon, Sep 05, 2016 at 06:33:57AM -0600, Jan Beulich wrote:
> >>> On 20.08.16 at 00:43, wrote:
[...]
> > +static char __initdata *ebmalloc_free = NULL;
> > +
> > +/* EFI boot allocator. */
> > +static void __init *ebmalloc(size_t size)
> > +{
> > +void *ptr;
> > +
> > +/*
> > + * In
On Wed, Sep 07, 2016 at 08:01:31AM -0600, Jan Beulich wrote:
> >>> On 07.09.16 at 14:05, wrote:
> > On Mon, Sep 05, 2016 at 06:33:57AM -0600, Jan Beulich wrote:
> >> >>> On 20.08.16 at 00:43, wrote:
> >> > +static char __initdata *ebmalloc_free = NULL;
> >> > +
> >> > +/* EFI boot allocator. */
>
e, it have to be changed to something more reliable. So, let's take
ELF end of image address by reading _end symbol address from nm output.
Signed-off-by: Daniel Kiper
---
xen/arch/x86/Makefile |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/x86/Makefile
insertions(+), 568 deletions(-)
Daniel Kiper (15):
x86: properly calculate ELF end of image address
x86/boot/reloc: create generic alloc and copy functions
x86/boot/reloc: rename some variables and rearrange code a bit
x86: add multiboot2 protocol support
efi: create
EFI_BOOT, EFI_LOADER and EFI_RS features. EFI_BOOT is equal
to old efi_enabled == 1. EFI_RS ease control on runtime
services usage. EFI_LOADER tells that Xen was loaded
directly from EFI as PE executable.
Suggested-by: Jan Beulich
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- define
Create generic alloc and copy functions. We need
separate tools for memory allocation and copy to
provide multiboot2 protocol support.
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- reduce number of casts
(suggested by Andrew Cooper and Jan Beulich).
v4 - suggestions/fixes
Replace mbi with mbi_out and mbi_old with mbi_in and rearrange code
a bit to make it more readable. Additionally, this way multiboot (v1)
protocol implementation and future multiboot2 protocol implementation
will use the same variable naming convention.
Signed-off-by: Daniel Kiper
Acked-by: Jan
This way we will have one
Xen binary which can be loaded by three boot protocols: EFI native loader,
multiboot (v1) and multiboot2.
Signed-off-by: Daniel Kiper
Acked-by: Jan Beulich
---
v6 - suggestions/fixes:
- improve efi_enabled() checks in efi_runtime_call()
(suggested by Jan Beu
..nor EFI platforms with runtime services enabled.
Suggested-by: Jan Beulich
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- move this commit behind "efi: create efi_enabled()" commit
(suggested by Jan Beulich).
v5 - suggestions/fixes:
- fix build error
(su
Add multiboot2 protocol support. Alter min memory limit handling as we
now may not find it from either multiboot (v1) or multiboot2.
This way we are laying the foundation for EFI + GRUB2 + Xen development.
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- properly index
: Andrew Cooper
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- put common cmdline.c and reloc.c
definitions into defs.h header
(suggested by Jan Beulich),
- use xen/include/xen/stdbool.h
and bool type from it instead
of own defined bool_t
(suggested by Jan
fault load address from 1 MiB to 2 MiB. This way page table
code will be nice and easy. Hence, there is a chance that it will be
less error prone too... :-)))
Signed-off-by: Daniel Kiper
---
xen/arch/x86/Makefile |2 +-
xen/arch/x86/Rules.mk |4
xen/arch/x86/setup.c |3 ++-
xen
This way Xen can be loaded on EFI platforms using GRUB2 and
other boot loaders which support multiboot2 protocol.
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- improve label names in assembly
error printing code
(suggested by Jan Beulich),
- improve comments
Add multiboot2 protocol support for relocatable images. Only GRUB2 with
"multiboot2: Add support for relocatable images" patch understands
that feature. Older multiboot protocol (regardless of version)
compatible loaders ignore it and everything works as usual.
Signed-off-by: Daniel Kip
not always possible to properly and efficiently
initialize %fs.
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- leave static mapping of first
16 MiB in l2_identmap as is
(suggested by Jan Beulich),
- use xen_phys_start instead of xen_img_load_base_addr
(suggested
ented because it is quite simple and requires
limited number of changes, especially in __start_xen().
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- optimize ebmalloc allocator,
- move ebmalloc machinery to xen/common/efi/boot.c
(suggested by Jan Beulich),
- enforce PAGE
..calculating its value during runtime.
Signed-off-by: Daniel Kiper
---
xen/arch/x86/setup.c |4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index f19af6e..ca1a97a 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
This way macro name better describes its function.
There is no functional change.
Suggested-by: Jan Beulich
Signed-off-by: Daniel Kiper
---
xen/arch/x86/boot/head.S | 40
xen/arch/x86/boot/trampoline.S |2 +-
xen/arch/x86/boot/wakeup.S
On Wed, Aug 31, 2016 at 09:30:46AM +0100, Wei Liu wrote:
[...]
> * Boot Xen on EFI platforms using GRUB2 (multiboot2 protocol)
> - Daniel Kiper
I have just sent v6.
Daniel
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Hey,
So, as I promised in other thread I am sending more info about my investigation
related to low memory allocation for trampoline and other early boot data.
Starting from the beginning it looks that there are "soft" limits enforced
in BIOS early boot code looking for usable low memory region.
On Fri, Sep 16, 2016 at 04:43:21PM -0400, Konrad Rzeszutek Wilk wrote:
> On Mon, Sep 12, 2016 at 10:18:16PM +0200, Daniel Kiper wrote:
> > Currently ELF end of image address is calculated using first line from
> > "nm -nr xen/xen-syms" output. However, today usually it c
On Mon, Sep 19, 2016 at 05:14:07AM -0600, Jan Beulich wrote:
> >>> On 16.09.16 at 22:43, wrote:
> > On Mon, Sep 12, 2016 at 10:18:16PM +0200, Daniel Kiper wrote:
> >> Currently ELF end of image address is calculated using first line from
> >> "nm -nr xen
On Mon, Sep 19, 2016 at 05:58:46AM -0600, Jan Beulich wrote:
> >>> On 12.09.16 at 22:18, wrote:
> > --- a/xen/arch/x86/domain_page.c
> > +++ b/xen/arch/x86/domain_page.c
> > @@ -36,7 +36,7 @@ static inline struct vcpu *mapcache_current_vcpu(void)
> > * domain's page tables but current may po
On Mon, Sep 19, 2016 at 06:29:55AM -0600, Jan Beulich wrote:
> >>> On 12.09.16 at 22:18, wrote:
> > --- a/xen/arch/x86/efi/stub.c
> > +++ b/xen/arch/x86/efi/stub.c
> > @@ -3,6 +3,43 @@
> > #include
> > #include
> > #include
> > +#include
> > +#include
> > +#include
> > +#include
> > +#in
On Mon, Sep 19, 2016 at 06:47:50AM -0600, Jan Beulich wrote:
> >>> On 12.09.16 at 22:18, wrote:
[...]
> > --- a/xen/arch/x86/boot/trampoline.S
> > +++ b/xen/arch/x86/boot/trampoline.S
> > @@ -220,8 +220,22 @@ trampoline_boot_cpu_entry:
> > /* Jump to the common bootstrap entry point. */
On Mon, Sep 19, 2016 at 06:12:35AM -0600, Jan Beulich wrote:
> >>> On 12.09.16 at 22:18, wrote:
> > --- a/xen/arch/x86/setup.c
> > +++ b/xen/arch/x86/setup.c
> > @@ -520,6 +520,8 @@ static void noinline init_done(void)
> >
> > system_state = SYS_STATE_active;
> >
> > +free_ebmalloc_unused
On Mon, Sep 19, 2016 at 08:57:02AM -0600, Jan Beulich wrote:
> >>> On 19.09.16 at 16:27, wrote:
> > On Mon, Sep 19, 2016 at 05:58:46AM -0600, Jan Beulich wrote:
> >> >>> On 12.09.16 at 22:18, wrote:
> >> > --- a/xen/arch/x86/domain_page.c
> >> > +++ b/xen/arch/x86/domain_page.c
> >> > @@ -36,7 +3
On Mon, Sep 19, 2016 at 09:17:50AM -0600, Jan Beulich wrote:
> >>> On 19.09.16 at 17:04, wrote:
> > On Mon, Sep 19, 2016 at 06:12:35AM -0600, Jan Beulich wrote:
> >> >>> On 12.09.16 at 22:18, wrote:
> >> > --- a/xen/arch/x86/setup.c
> >> > +++ b/xen/arch/x86/setup.c
> >> > @@ -520,6 +520,8 @@ sta
On Mon, Sep 19, 2016 at 10:03:08AM -0600, Jan Beulich wrote:
> >>> On 19.09.16 at 17:27, wrote:
> > On Mon, Sep 19, 2016 at 06:47:50AM -0600, Jan Beulich wrote:
> >> >>> On 12.09.16 at 22:18, wrote:
> >
> > [...]
> >
> >> > --- a/xen/arch/x86/boot/trampoline.S
> >> > +++ b/xen/arch/x86/boot/tramp
On Tue, Sep 20, 2016 at 03:57:19AM -0600, Jan Beulich wrote:
> >>> On 20.09.16 at 11:45, wrote:
> > On Mon, Sep 19, 2016 at 09:17:50AM -0600, Jan Beulich wrote:
> >> >>> On 19.09.16 at 17:04, wrote:
> >> > On Mon, Sep 19, 2016 at 06:12:35AM -0600, Jan Beulich wrote:
> >> >> >>> On 12.09.16 at 22:
On Tue, Sep 20, 2016 at 04:05:12AM -0600, Jan Beulich wrote:
> >>> On 20.09.16 at 11:49, wrote:
> > Out of curiosity, could you outline in a few words your idea?
>
> Well, one approach would be something along the lines of
> the public headers errno.h and cpufeatureset.h: Have a helper
> header in
On Mon, Sep 19, 2016 at 08:52:02AM -0600, Jan Beulich wrote:
> >>> On 19.09.16 at 15:56, wrote:
> > On Mon, Sep 19, 2016 at 05:14:07AM -0600, Jan Beulich wrote:
> >> >>> On 16.09.16 at 22:43, wrote:
> >> > On Mon, Sep 12, 2016 at 10:18:16PM +0200,
On Fri, Sep 16, 2016 at 06:15:10AM -0600, Jan Beulich wrote:
> >>> On 14.09.16 at 10:23, wrote:
> > Starting from the beginning it looks that there are "soft" limits enforced
> > in BIOS early boot code looking for usable low memory region. Hight limit
> > is set at 640 KiB and low at 256 KiB. Thi
On Mon, Sep 19, 2016 at 08:52:02AM -0600, Jan Beulich wrote:
> >>> On 19.09.16 at 15:56, wrote:
> > On Mon, Sep 19, 2016 at 05:14:07AM -0600, Jan Beulich wrote:
[...]
> >> So before taking this patch I'd really like to see proof that what gets
> >> done currently does actually go wrong in at lea
On Tue, Sep 20, 2016 at 07:23:06AM -0600, Jan Beulich wrote:
> >>> On 20.09.16 at 14:11, wrote:
> > On Fri, Sep 16, 2016 at 06:15:10AM -0600, Jan Beulich wrote:
> >> >>> On 14.09.16 at 10:23, wrote:
> >> > Additionally, my investigation has shown that there are no bound checks
> >> > in
> >> > l
On Tue, Sep 20, 2016 at 07:46:56AM -0600, Jan Beulich wrote:
> >>> On 20.09.16 at 12:52, wrote:
> > On Tue, Sep 20, 2016 at 03:57:19AM -0600, Jan Beulich wrote:
> >> >>> On 20.09.16 at 11:45, wrote:
> >> > On Mon, Sep 19, 2016 at 09:17:50AM -0600, Jan Beulich wrote:
> >> >> >>> On 19.09.16 at 17:
On Mon, Sep 19, 2016 at 05:42:36AM -0600, Jan Beulich wrote:
> >>> On 12.09.16 at 22:18, wrote:
[...]
> > +case MULTIBOOT2_TAG_TYPE_MODULE:
> > +if ( mod_idx >= mbi_out->mods_count )
> > +break;
> > +
> > +mbi_out_mods[mod_idx].mod_start = get_mb2_
On Wed, Sep 21, 2016 at 03:42:09AM -0600, Jan Beulich wrote:
> >>> On 20.09.16 at 20:45, wrote:
> > On Tue, Sep 20, 2016 at 07:46:56AM -0600, Jan Beulich wrote:
> >> >>> On 20.09.16 at 12:52, wrote:
[...]
> >> > Do you suggest that I should move out of #ifndef CONFIG_ARM all ebmalloc
> >> > st
On Wed, Sep 21, 2016 at 03:37:52AM -0600, Jan Beulich wrote:
> >>> On 20.09.16 at 20:00, wrote:
> > OK, I did some more tests and found out that after patch "efi: build
> > xen.gz with EFI code" we have following xen ELF file:
> >
> > Program Headers:
> > Type Offset VirtAddr PhysA
On Thu, Sep 22, 2016 at 05:25:46AM -0600, Jan Beulich wrote:
> >>> On 22.09.16 at 12:52, wrote:
> > On Wed, Sep 21, 2016 at 03:42:09AM -0600, Jan Beulich wrote:
> >> >>> On 20.09.16 at 20:45, wrote:
> >> > On Tue, Sep 20, 2016 at 07:46:56AM -0600, Jan Beulich wrote:
> >> >> >>> On 20.09.16 at 12:
Hi Julien,
On Thu, Sep 22, 2016 at 06:07:26PM +0100, Julien Grall wrote:
[...]
> >#ifndef CONFIG_ARM
> >/* Whole x86 ebmalloc stuff. */
> >...
> >#else
> >void __init free_ebmalloc_unused_mem(void)
> >{
> >}
> >#endif
> >
> >and then call free_ebmalloc_unused_mem() from e.g.
> >xen/arch/arm/setu
On Fri, Sep 23, 2016 at 12:07:14PM +0100, Julien Grall wrote:
> On 23/09/16 11:50, Daniel Kiper wrote:
> >Hi Julien,
>
> Hi Daniel,
>
> >
> >On Thu, Sep 22, 2016 at 06:07:26PM +0100, Julien Grall wrote:
> >
> >[...]
> >
> >
On Fri, Sep 23, 2016 at 12:42:10PM +0100, Julien Grall wrote:
>
>
> On 23/09/16 12:35, Daniel Kiper wrote:
> >On Fri, Sep 23, 2016 at 12:07:14PM +0100, Julien Grall wrote:
> >>On 23/09/16 11:50, Daniel Kiper wrote:
> >>>Hi Julien,
> >>
> >>Hi
EFI_BOOT, EFI_LOADER and EFI_RS features. EFI_BOOT is equal
to old efi_enabled == 1. EFI_RS ease control on runtime
services usage. EFI_LOADER tells that Xen was loaded
directly from EFI as PE executable.
Suggested-by: Jan Beulich
Signed-off-by: Daniel Kiper
Reviewed-by: Jan Beulich
---
v7
..nor EFI platforms with runtime services enabled.
Suggested-by: Jan Beulich
Signed-off-by: Daniel Kiper
Acked-by: Jan Beulich
---
v6 - suggestions/fixes:
- move this commit behind "efi: create efi_enabled()" commit
(suggested by Jan Beulich).
v5 - suggestions/fixes:
-
This way macro name better describes its function.
There is no functional change.
Suggested-by: Jan Beulich
Signed-off-by: Daniel Kiper
---
xen/arch/x86/boot/head.S | 40
xen/arch/x86/boot/trampoline.S |2 +-
xen/arch/x86/boot/wakeup.S
ecause there is no
check which symbol address is used to calculate end of image address. So,
let's fix it and take ELF end of image address by reading __end_of_image__
symbol address from nm output. This way xen ELF image build process is
not prone to changes in order of nm output.
Signed-off-by:
fault load address from 1 MiB to 2 MiB. This way page table
code will be nice and easy. Hence, there is a chance that it will be
less error prone too... :-)))
Signed-off-by: Daniel Kiper
Acked-by: Jan Beulich
---
v7 - suggestions/fixes:
- minor cleanups
(suggested by Jan Beulich).
---
xen
e. Then it (bootloader) would not be able to put
in this place anything else because from its POV simply this memory
region will be allocated and used.
This patch does not change xen ELF file size. It changes memory size
which should be allocated for the image during load.
Signed-off-by: Daniel Kiper
This way Xen can be loaded on EFI platforms using GRUB2 and
other boot loaders which support multiboot2 protocol.
Signed-off-by: Daniel Kiper
Acked-by: Jan Beulich
---
v7 - suggestions/fixes:
- do not allocate twice memory for trampoline if we were
loaded via multiboot2 protocol on EFI
..calculating its value during runtime.
Signed-off-by: Daniel Kiper
Acked-by: Jan Beulich
---
xen/arch/x86/setup.c |4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index f19af6e..ca1a97a 100644
--- a/xen/arch/x86/setup.c
ented because it is quite simple and requires
limited number of changes, especially in __start_xen().
New allocator is quite generic and can be used on ARM platforms too.
So, let's enable most of its machinery on them.
Signed-off-by: Daniel Kiper
---
v7 - suggestions/fixes:
- enable most o
This way we will have one
Xen binary which can be loaded by three boot protocols: EFI native loader,
multiboot (v1) and multiboot2.
Signed-off-by: Daniel Kiper
Acked-by: Jan Beulich
---
v6 - suggestions/fixes:
- improve efi_enabled() checks in efi_runtime_call()
(suggested by Jan Beu
not always possible to properly and efficiently
initialize %fs.
Signed-off-by: Daniel Kiper
---
v6 - suggestions/fixes:
- leave static mapping of first
16 MiB in l2_identmap as is
(suggested by Jan Beulich),
- use xen_phys_start instead of xen_img_load_base_addr
(suggested
: Andrew Cooper
Signed-off-by: Daniel Kiper
---
v7 - suggestions/fixes:
- add min() macro
(suggested by Jan Beulich),
- add padding to early_boot_opts_t
in more standard way
(suggested by Jan Beulich),
- simplify defs.h dependencies
(suggested by Jan Beulich).
v6
|2 +-
xen/include/xen/efi.h |9 +-
xen/include/xen/multiboot2.h | 182
34 files changed, 1522 insertions(+), 540 deletions(-)
Daniel Kiper (14):
x86: move xen ELF end of image to 16 MiB
x86: properly calculate xen ELF end of
Add multiboot2 protocol support. Alter min memory limit handling as we
now may not find it from either multiboot (v1) or multiboot2.
This way we are laying the foundation for EFI + GRUB2 + Xen development.
Signed-off-by: Daniel Kiper
---
v7 - suggestions/fixes:
- rename mbi_mbi/mbi2_mbi to
Add multiboot2 protocol support for relocatable images. Only GRUB2 with
"multiboot2: Add support for relocatable images" patch understands
that feature. Older multiboot protocol (regardless of version)
compatible loaders ignore it and everything works as usual.
Signed-off-by: Daniel Kip
On Mon, Sep 26, 2016 at 04:39:37AM -0600, Jan Beulich wrote:
> >>> On 23.09.16 at 23:47, wrote:
> > It seems that from xen ELF image POV _end symbol properly determine
> > image end. However, taking into account that initial Xen image mapping
> > covers 16 MiB it looks that it is not sufficient. C
On Mon, Sep 26, 2016 at 04:45:25AM -0600, Jan Beulich wrote:
> >>> On 23.09.16 at 23:47, wrote:
> > Currently xen ELF end of image address is calculated using first line from
> > "nm -nr xen/xen-syms" output. However, sometimes it may contain random
> > symbol address not related to the end of ima
On Mon, Feb 06, 2017 at 03:18:53AM -0700, Jan Beulich wrote:
> >>> On 02.02.17 at 23:01, wrote:
> > This way Xen can be loaded on EFI platforms using GRUB2 and
> > other boot loaders which support multiboot2 protocol.
> >
> > Signed-off-by: Daniel Kiper
+-
xen/include/xen/config.h |1 +
xen/include/xen/multiboot2.h | 182 ++
20 files changed, 1103 insertions(+), 124 deletions(-)
Daniel Kiper (10):
x86: add "w" flag to .init.data section definition
x86: add multiboot2 protocol support
ented because it is quite simple and requires
limited number of changes, especially in __start_xen().
New allocator is quite generic and can be used on ARM platforms too.
Though it is not enabled on ARM yet due to lack of some prereq.
List of them is placed before ebmalloc code.
Signed-off-by: D
This way we will have one
Xen binary which can be loaded by three boot protocols: EFI native loader,
multiboot (v1) and multiboot2.
Signed-off-by: Daniel Kiper
Acked-by: Jan Beulich
Reviewed-by: Doug Goldstein
---
v14 - suggestions/fixes:
- at least GNU Make 4.1 does not build efi/buildid.o
fault load address from 1 MiB to 2 MiB. This way page table
code will be nice and easy. Hence, there is a chance that it will be
less error prone too... :-)))
Additionally, drop first 2 MiB mapping from Xen image mapping.
It is no longer needed.
Signed-off-by: Daniel Kiper
Reviewed-by: Jan Be
Add multiboot2 protocol support. Alter min memory limit handling as we
now may not find it from either multiboot (v1) or multiboot2.
This way we are laying the foundation for EFI + GRUB2 + Xen development.
Signed-off-by: Daniel Kiper
Reviewed-by: Jan Beulich
Reviewed-by: Doug Goldstein
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