diff options
Diffstat (limited to 'tools/binman/etype/x86_start16_tpl.py')
| -rw-r--r-- | tools/binman/etype/x86_start16_tpl.py | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/binman/etype/x86_start16_tpl.py b/tools/binman/etype/x86_start16_tpl.py new file mode 100644 index 0000000000..46ce169ae0 --- /dev/null +++ b/tools/binman/etype/x86_start16_tpl.py @@ -0,0 +1,30 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (c) 2018 Google, Inc +# Written by Simon Glass <sjg@chromium.org> +# +# Entry-type module for the 16-bit x86 start-up code for U-Boot TPL +# + +from entry import Entry +from blob import Entry_blob + +class Entry_x86_start16_tpl(Entry_blob): + """x86 16-bit start-up code for TPL + + Properties / Entry arguments: + - filename: Filename of tpl/u-boot-x86-16bit-tpl.bin (default + 'tpl/u-boot-x86-16bit-tpl.bin') + + x86 CPUs start up in 16-bit mode, even if they are 64-bit CPUs. This code + must be placed at a particular address. This entry holds that code. It is + typically placed at offset CONFIG_SYS_X86_START16. The code is responsible + for changing to 32-bit mode and starting TPL, which in turn jumps to SPL. + + If TPL is not being used, the 'x86_start16_spl or 'x86_start16' entry types + may be used instead. + """ + def __init__(self, section, etype, node): + Entry_blob.__init__(self, section, etype, node) + + def GetDefaultFilename(self): + return 'tpl/u-boot-x86-16bit-tpl.bin' |