Add a note to spell out that if the address tag is not present the
file should be loaded using the elf header.
Signed-off-by: Roger Pau Monné <roger....@citrix.com>
---
Cc: Daniel Kiper <daniel.ki...@oracle.com>
Cc: xen-de...@lists.xenproject.org
---
Changes since v2:
- Clarify that the address tag must be used if present.
Changes since v1:
- s/elf/@sc{elf}/
- s/Multiboot/Multiboot2/
---
doc/multiboot.texi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/doc/multiboot.texi b/doc/multiboot.texi
index 2e2d7e74a..df8a0d056 100644
--- a/doc/multiboot.texi
+++ b/doc/multiboot.texi
@@ -509,6 +509,14 @@ assumes that no bss segment is present.
@end table
+Note: This information does not need to be provided if the kernel image
+is in @sc{elf} format, but it must be provided if the image is in a.out
+format or in some other format. When the address tag is present it must
+be used in order to load the image, regardless of whether an @sc{elf}
+header is also present. Compliant boot loaders must be able to load
+images that are either in @sc{elf} format or contain the address tag
+embedded in the Multiboot2 header.
+
@subsection The entry address tag of Multiboot2 header
@example
--
2.17.1
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