On 2024-03-19 04:15, Jan Beulich wrote:
On 18.03.2024 22:21, Jason Andryuk wrote:
On 2024-03-15 05:48, Jan Beulich wrote:
On 14.03.2024 20:19, Jason Andryuk wrote:
On 2024-03-14 09:31, Jan Beulich wrote:
On 13.03.2024 20:30, Jason Andryuk wrote:
--- a/xen/arch/x86/hvm/dom0_build.c
+++ b/xen/
On 18.03.2024 22:21, Jason Andryuk wrote:
> On 2024-03-15 05:48, Jan Beulich wrote:
>> On 14.03.2024 20:19, Jason Andryuk wrote:
>>> On 2024-03-14 09:31, Jan Beulich wrote:
On 13.03.2024 20:30, Jason Andryuk wrote:
> --- a/xen/arch/x86/hvm/dom0_build.c
> +++ b/xen/arch/x86/hvm/dom0_bui
On 18.03.2024 22:19, Jason Andryuk wrote:
> On 2024-03-14 10:19, Jan Beulich wrote:
>> On 14.03.2024 15:13, Jason Andryuk wrote:
>>> On 2024-03-14 09:21, Jan Beulich wrote:
On 13.03.2024 20:30, Jason Andryuk wrote:
> --- a/xen/include/public/elfnote.h
> +++ b/xen/include/public/elfnote
On 2024-03-15 05:48, Jan Beulich wrote:
On 14.03.2024 20:19, Jason Andryuk wrote:
On 2024-03-14 09:31, Jan Beulich wrote:
On 13.03.2024 20:30, Jason Andryuk wrote:
--- a/xen/arch/x86/hvm/dom0_build.c
+++ b/xen/arch/x86/hvm/dom0_build.c
@@ -537,6 +537,108 @@ static paddr_t __init find_memory(
On 2024-03-14 10:19, Jan Beulich wrote:
On 14.03.2024 15:13, Jason Andryuk wrote:
On 2024-03-14 09:21, Jan Beulich wrote:
On 13.03.2024 20:30, Jason Andryuk wrote:
--- a/xen/include/public/elfnote.h
+++ b/xen/include/public/elfnote.h
@@ -194,6 +194,17 @@
*/
#define XEN_ELFNOTE_PHYS32_EN
On 14.03.2024 20:19, Jason Andryuk wrote:
> On 2024-03-14 09:31, Jan Beulich wrote:
>> On 13.03.2024 20:30, Jason Andryuk wrote:
>>> --- a/xen/arch/x86/hvm/dom0_build.c
>>> +++ b/xen/arch/x86/hvm/dom0_build.c
>>> @@ -537,6 +537,108 @@ static paddr_t __init find_memory(
>>> return INVALID_PADD
On Thu, Mar 14, 2024 at 12:59:19PM -0400, Jason Andryuk wrote:
> On 2024-03-14 11:30, Jan Beulich wrote:
> > On 14.03.2024 15:33, Roger Pau Monné wrote:
> > > On Thu, Mar 14, 2024 at 09:51:22AM -0400, Jason Andryuk wrote:
> > > > On 2024-03-14 05:48, Roger Pau Monné wrote:
> > > > > On Wed, Mar 13,
On 2024-03-14 09:31, Jan Beulich wrote:
On 13.03.2024 20:30, Jason Andryuk wrote:
--- a/xen/arch/x86/hvm/dom0_build.c
+++ b/xen/arch/x86/hvm/dom0_build.c
@@ -537,6 +537,108 @@ static paddr_t __init find_memory(
return INVALID_PADDR;
}
+static bool __init check_load_address(
+cons
On 14.03.2024 17:59, Jason Andryuk wrote:
> On 2024-03-14 11:30, Jan Beulich wrote:
>> On 14.03.2024 15:33, Roger Pau Monné wrote:
>>> On Thu, Mar 14, 2024 at 09:51:22AM -0400, Jason Andryuk wrote:
On 2024-03-14 05:48, Roger Pau Monné wrote:
> On Wed, Mar 13, 2024 at 03:30:21PM -0400, Jaso
On 2024-03-14 11:30, Jan Beulich wrote:
On 14.03.2024 15:33, Roger Pau Monné wrote:
On Thu, Mar 14, 2024 at 09:51:22AM -0400, Jason Andryuk wrote:
On 2024-03-14 05:48, Roger Pau Monné wrote:
On Wed, Mar 13, 2024 at 03:30:21PM -0400, Jason Andryuk wrote:
@@ -234,6 +235,17 @@ elf_errorstatus el
On Thu, Mar 14, 2024 at 04:30:05PM +0100, Jan Beulich wrote:
> On 14.03.2024 15:33, Roger Pau Monné wrote:
> > On Thu, Mar 14, 2024 at 09:51:22AM -0400, Jason Andryuk wrote:
> >> On 2024-03-14 05:48, Roger Pau Monné wrote:
> >>> On Wed, Mar 13, 2024 at 03:30:21PM -0400, Jason Andryuk wrote:
>
On 14.03.2024 15:33, Roger Pau Monné wrote:
> On Thu, Mar 14, 2024 at 09:51:22AM -0400, Jason Andryuk wrote:
>> On 2024-03-14 05:48, Roger Pau Monné wrote:
>>> On Wed, Mar 13, 2024 at 03:30:21PM -0400, Jason Andryuk wrote:
@@ -234,6 +235,17 @@ elf_errorstatus elf_xen_parse_note(struct elf_bina
On Thu, Mar 14, 2024 at 09:51:22AM -0400, Jason Andryuk wrote:
> On 2024-03-14 05:48, Roger Pau Monné wrote:
> > On Wed, Mar 13, 2024 at 03:30:21PM -0400, Jason Andryuk wrote:
> > > Xen tries to load a PVH dom0 kernel at the fixed guest physical address
> > > from the elf headers. For Linux, this
On 14.03.2024 15:13, Jason Andryuk wrote:
> On 2024-03-14 09:21, Jan Beulich wrote:
>> On 13.03.2024 20:30, Jason Andryuk wrote:
>>> --- a/xen/include/public/elfnote.h
>>> +++ b/xen/include/public/elfnote.h
>>> @@ -194,6 +194,17 @@
>>>*/
>>> #define XEN_ELFNOTE_PHYS32_ENTRY 18
>>>
>>> +/*
On 2024-03-14 09:21, Jan Beulich wrote:
On 13.03.2024 20:30, Jason Andryuk wrote:
--- a/xen/include/public/elfnote.h
+++ b/xen/include/public/elfnote.h
@@ -194,6 +194,17 @@
*/
#define XEN_ELFNOTE_PHYS32_ENTRY 18
+/*
+ * Physical loading constraints for PVH kernels
+ *
+ * Used to place
On 2024-03-14 05:48, Roger Pau Monné wrote:
On Wed, Mar 13, 2024 at 03:30:21PM -0400, Jason Andryuk wrote:
Xen tries to load a PVH dom0 kernel at the fixed guest physical address
from the elf headers. For Linux, this defaults to 0x100 (16MB), but
it can be configured.
Unfortunately there e
On 13.03.2024 20:30, Jason Andryuk wrote:
> --- a/xen/arch/x86/hvm/dom0_build.c
> +++ b/xen/arch/x86/hvm/dom0_build.c
> @@ -537,6 +537,108 @@ static paddr_t __init find_memory(
> return INVALID_PADDR;
> }
>
> +static bool __init check_load_address(
> +const struct domain *d, const struc
On 13.03.2024 20:30, Jason Andryuk wrote:
> --- a/xen/include/public/elfnote.h
> +++ b/xen/include/public/elfnote.h
> @@ -194,6 +194,17 @@
> */
> #define XEN_ELFNOTE_PHYS32_ENTRY 18
>
> +/*
> + * Physical loading constraints for PVH kernels
> + *
> + * Used to place constraints on the guest ph
On 2024-03-14 03:12, Jan Beulich wrote:
On 13.03.2024 22:02, Jason Andryuk wrote:
On 2024-03-13 15:30, Jason Andryuk wrote:
+/* Find an e820 RAM region that fits the kernel at a suitable alignment. */
+static paddr_t __init find_kernel_memory(
+const struct domain *d, struct elf_binary *elf
On Wed, Mar 13, 2024 at 03:30:21PM -0400, Jason Andryuk wrote:
> Xen tries to load a PVH dom0 kernel at the fixed guest physical address
> from the elf headers. For Linux, this defaults to 0x100 (16MB), but
> it can be configured.
>
> Unfortunately there exist firmwares that have reserved reg
On 13.03.2024 22:02, Jason Andryuk wrote:
> On 2024-03-13 15:30, Jason Andryuk wrote:
>> +/* Find an e820 RAM region that fits the kernel at a suitable alignment. */
>> +static paddr_t __init find_kernel_memory(
>> +const struct domain *d, struct elf_binary *elf,
>> +const struct elf_dom_pa
On 2024-03-13 15:30, Jason Andryuk wrote:
+/* Find an e820 RAM region that fits the kernel at a suitable alignment. */
+static paddr_t __init find_kernel_memory(
+const struct domain *d, struct elf_binary *elf,
+const struct elf_dom_parms *parms)
+{
+paddr_t kernel_start = (paddr_t)el
Xen tries to load a PVH dom0 kernel at the fixed guest physical address
from the elf headers. For Linux, this defaults to 0x100 (16MB), but
it can be configured.
Unfortunately there exist firmwares that have reserved regions at this
address, so Xen fails to load the dom0 kernel since it's not
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