1234567891011121314151617181920212223242526272829 |
- # SPDX-License-Identifier: GPL-2.0+
- # Copyright (c) 2016 Google, Inc
- # Written by Simon Glass <sjg@chromium.org>
- #
- # Entry-type module for the 16-bit x86 reset code for U-Boot
- #
- from binman.entry import Entry
- from binman.etype.blob import Entry_blob
- class Entry_x86_reset16(Entry_blob):
- """x86 16-bit reset code for U-Boot
- Properties / Entry arguments:
- - filename: Filename of u-boot-x86-reset16.bin (default
- 'u-boot-x86-reset16.bin')
- x86 CPUs start up in 16-bit mode, even if they are 32-bit CPUs. This code
- must be placed at a particular address. This entry holds that code. It is
- typically placed at offset CONFIG_RESET_VEC_LOC. The code is responsible
- for jumping to the x86-start16 code, which continues execution.
- For 64-bit U-Boot, the 'x86_reset16_spl' entry type is used instead.
- """
- def __init__(self, section, etype, node):
- super().__init__(section, etype, node)
- def GetDefaultFilename(self):
- return 'u-boot-x86-reset16.bin'
|