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authorTom Rini <[email protected]>2020-12-15 13:57:03 -0500
committerTom Rini <[email protected]>2020-12-15 13:57:03 -0500
commitaf22790a3bc2ab85108bdffad4bbe079a52160c1 (patch)
tree766c679c6dfce6c469be8119ea09b02fe5b8bc5e /doc/develop/global_data.rst
parentc9cb6a6002fc91b045ac84b6d8fe0b34213dd320 (diff)
parentabd40a8f98ad546e34918f73865d7561a94bda44 (diff)
Merge tag 'doc-2021-01-rc4' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
Documentation fixes for v2020.01-rc4 Move several README files to reStructured text for the HTML documentation. Describe register for global data on x86. Allow building HTML documentation with Sphinx 3
Diffstat (limited to 'doc/develop/global_data.rst')
-rw-r--r--doc/develop/global_data.rst4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/develop/global_data.rst b/doc/develop/global_data.rst
index 9e7c8a24da0..230ebcd8604 100644
--- a/doc/develop/global_data.rst
+++ b/doc/develop/global_data.rst
@@ -33,8 +33,10 @@ On most architectures the global data pointer is stored in a register.
+------------+----------+
| SuperH | r13 |
+------------+----------+
+| x86 32bit | fs |
++------------+----------+
-The sandbox, x86, and Xtensa are notable exceptions.
+The sandbox, x86_64, and Xtensa are notable exceptions.
Clang for ARM does not support assigning a global register. When using Clang
gd is defined as an inline function using assembly code. This adds a few bytes