* [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range
@ 2021-09-01 15:13 Geert Uytterhoeven
2021-09-01 15:13 ` [PATCH dt-schema 2/2] schemas: chosen: Improve linux,elfcorehdr documentation Geert Uytterhoeven
2021-09-03 21:15 ` [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range Rob Herring
0 siblings, 2 replies; 3+ messages in thread
From: Geert Uytterhoeven @ 2021-09-01 15:13 UTC (permalink / raw)
To: Rob Herring; +Cc: devicetree, Geert Uytterhoeven
The properties "linux,elfcorehdr" and "linux,usable-memory-range" are no
longer limited to arm64.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
schemas/chosen.yaml | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/schemas/chosen.yaml b/schemas/chosen.yaml
index b93cd1dfd7d26bda..78b87cb1b2b7fb87 100644
--- a/schemas/chosen.yaml
+++ b/schemas/chosen.yaml
@@ -78,17 +78,17 @@ properties:
$ref: types.yaml#/definitions/uint64-array
maxItems: 2
description:
- This property (currently used only on arm64) holds the memory range,
- the address and the size, of the elf core header which mainly describes
- the panicked kernel\'s memory layout as PT_LOAD segments of elf format.
+ This property holds the memory range, the address and the size, of the
+ elf core header which mainly describes the panicked kernel\'s memory
+ layout as PT_LOAD segments of elf format.
linux,usable-memory-range:
$ref: types.yaml#/definitions/uint64-array
maxItems: 2
description: |
- This property (arm64 only) holds a base address and size, describing a
- limited region in which memory may be considered available for use by
- the kernel. Memory outside of this range is not available for use.
+ This property holds a base address and size, describing a limited region
+ in which memory may be considered available for use by the kernel. Memory
+ outside of this range is not available for use.
This property describes a limitation: memory within this range is only
valid when also described through another mechanism that the kernel
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH dt-schema 2/2] schemas: chosen: Improve linux,elfcorehdr documentation
2021-09-01 15:13 [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range Geert Uytterhoeven
@ 2021-09-01 15:13 ` Geert Uytterhoeven
2021-09-03 21:15 ` [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range Rob Herring
1 sibling, 0 replies; 3+ messages in thread
From: Geert Uytterhoeven @ 2021-09-01 15:13 UTC (permalink / raw)
To: Rob Herring; +Cc: devicetree, Geert Uytterhoeven
Add an example for the "linux,elfcorehdr" property, and clarify the
length of its address and size.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
schemas/chosen.yaml | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/schemas/chosen.yaml b/schemas/chosen.yaml
index 78b87cb1b2b7fb87..d66d10ad3cad0654 100644
--- a/schemas/chosen.yaml
+++ b/schemas/chosen.yaml
@@ -77,11 +77,21 @@ properties:
linux,elfcorehdr:
$ref: types.yaml#/definitions/uint64-array
maxItems: 2
- description:
+ description: |
This property holds the memory range, the address and the size, of the
elf core header which mainly describes the panicked kernel\'s memory
layout as PT_LOAD segments of elf format.
+ / {
+ chosen {
+ linux,elfcorehdr = <0x9 0xfffff000 0x0 0x800>;
+ };
+ };
+
+ While this property does not represent a real hardware, the address
+ and the size are expressed in #address-cells and #size-cells,
+ respectively, of the root node.
+
linux,usable-memory-range:
$ref: types.yaml#/definitions/uint64-array
maxItems: 2
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range
2021-09-01 15:13 [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range Geert Uytterhoeven
2021-09-01 15:13 ` [PATCH dt-schema 2/2] schemas: chosen: Improve linux,elfcorehdr documentation Geert Uytterhoeven
@ 2021-09-03 21:15 ` Rob Herring
1 sibling, 0 replies; 3+ messages in thread
From: Rob Herring @ 2021-09-03 21:15 UTC (permalink / raw)
To: Geert Uytterhoeven; +Cc: devicetree, Rob Herring
On Wed, 01 Sep 2021 17:13:09 +0200, Geert Uytterhoeven wrote:
> The properties "linux,elfcorehdr" and "linux,usable-memory-range" are no
> longer limited to arm64.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> schemas/chosen.yaml | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
Applied both, thanks!
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-09-01 15:13 [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range Geert Uytterhoeven
2021-09-01 15:13 ` [PATCH dt-schema 2/2] schemas: chosen: Improve linux,elfcorehdr documentation Geert Uytterhoeven
2021-09-03 21:15 ` [PATCH dt-schema 1/2] schemas: chosen: Generalize linux,elfcorehdr and linux,usable-memory-range Rob Herring
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