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[MULTIBOOT2 DOC PATCH 07/10] multiboot2: Say that memory maps may not be
From: |
Daniel Kiper |
Subject: |
[MULTIBOOT2 DOC PATCH 07/10] multiboot2: Say that memory maps may not be available on EFI platforms |
Date: |
Thu, 9 Jun 2016 22:30:41 +0200 |
Signed-off-by: Daniel Kiper <address@hidden>
---
doc/multiboot.texi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/doc/multiboot.texi b/doc/multiboot.texi
index f1e0e09..c81b2ea 100644
--- a/doc/multiboot.texi
+++ b/doc/multiboot.texi
@@ -927,6 +927,10 @@ possible value for lower memory is 640 kilobytes. The
value returned for
upper memory is maximally the address of the first upper memory hole
minus 1 megabyte. It is not guaranteed to be this value.
+This tag may not be provided by some boot loaders on EFI platforms if EFI
+boot services are enabled and available for loaded image (EFI boot services
+not terminated tag exists in Multiboot information structure).
+
@subsection BIOS Boot device
@example
@group
@@ -1078,6 +1082,10 @@ indicated a reserved area.
The map provided is guaranteed to list all standard @sc{ram} that should
be available for normal use. This type however includes the regions occupied
by kernel, mbi, segments and modules. Kernel must take care not to overwrite
these regions.
+This tag may not be provided by some boot loaders on EFI platforms if EFI
+boot services are enabled and available for loaded image (EFI boot services
+not terminated tag exists in Multiboot information structure).
+
@subsection Boot loader name
@example
@group
@@ -1310,6 +1318,9 @@ u32 | descriptor version|
This tag contains EFI memory map as per EFI specification.
+This tag may not be provided by some boot loaders on EFI platforms if EFI
+boot services are enabled and available for loaded image (EFI boot services
+not terminated tag exists in Multiboot information structure).
@subsection EFI boot services not terminated
@example
--
1.7.10.4
- [MULTIBOOT2 DOC PATCH 05/10] multiboot2: Add description of EFI image handle tags, (continued)
- [MULTIBOOT2 DOC PATCH 05/10] multiboot2: Add description of EFI image handle tags, Daniel Kiper, 2016/06/09
- [MULTIBOOT2 DOC PATCH 04/10] multiboot2: Add description of support for EFI boot services, Daniel Kiper, 2016/06/09
- [MULTIBOOT2 DOC PATCH 06/10] multiboot2: Add description of support for relocatable images, Daniel Kiper, 2016/06/09
- [MULTIBOOT2 DOC PATCH 09/10] multiboot2: Add me to authors, Daniel Kiper, 2016/06/09
- [MULTIBOOT2 DOC PATCH 08/10] multiboot2: Add C structure alignment and padding consideration section, Daniel Kiper, 2016/06/09
- [MULTIBOOT2 DOC PATCH 07/10] multiboot2: Say that memory maps may not be available on EFI platforms,
Daniel Kiper <=
- [MULTIBOOT2 DOC PATCH 10/10] multiboot2: Bump version to 2.0, Daniel Kiper, 2016/06/09