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feat(sptool): invoke the HOB list creation code

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Add an SP setup function that invokes the HOB creation
utilities.

It introduces an argument "hob_path" to the shared dictionary of args
with the location of the generated binary containing the HOB list.

Signed-off-by: Kathleen Capella <kathleen.capella@arm.com>
Signed-off-by: J-Alves <joao.alves@arm.com>
Change-Id: I26a07027b6344c9d7ba732d022932736a62e2505
This commit is contained in:
J-Alves 2024-12-16 17:48:52 +00:00 • committed by Kathleen Capella
parent cc594af66e
commit 2d317e80c2
1 changed files with 27 additions and 0 deletions
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27
tools/sptool/sp_mk_generator.py
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@ -55,10 +55,15 @@ import os
import re import re
import sys import sys
import uuid import uuid
import fdt
from spactions import SpSetupActions from spactions import SpSetupActions
import hob
import struct
from hob import HobList
MAX_SP = 8 MAX_SP = 8
UUID_LEN = 4 UUID_LEN = 4
HOB_OFFSET_DEFAULT=0x2000
# Some helper functions to access args propagated to the action functions in # Some helper functions to access args propagated to the action functions in
# SpSetupActions framework. # SpSetupActions framework.
@ -179,6 +184,28 @@ def gen_fdt_sources(sp_layout, sp, args :dict):
write_to_sp_mk_gen(f"FDT_SOURCES += {manifest_path}", args) write_to_sp_mk_gen(f"FDT_SOURCES += {manifest_path}", args)
return args return args
@SpSetupActions.sp_action(exec_order=1)
def generate_hob_list(sp_layout, sp, args: dict):
'''
Generates a HOB file for the partition, if it requested it in its FF-A
manifest.
'''
with open(get_sp_manifest_full_path(sp_layout[sp], args), "r") as f:
sp_fdt = fdt.parse_dts(f.read())
if sp_fdt.exist_property('hob_list', '/boot-info'):
sp_hob_name = os.path.basename(sp + ".hob.bin")
sp_hob_name = os.path.join(args["out_dir"], f"{sp_hob_name}")
# Add to the args so it can be consumed by the TL pkg function.
sp_layout[sp]["hob_path"] = sp_hob_name
hob_list = hob.generate_hob_from_fdt_node(sp_fdt, HOB_OFFSET_DEFAULT)
with open(sp_hob_name, "wb") as h:
for block in hob_list.get_list():
h.write(block.pack())
return args
def generate_sp_pkg(sp_node, pkg, sp_img, sp_dtb): def generate_sp_pkg(sp_node, pkg, sp_img, sp_dtb):
''' Generates the rule in case SP is to be generated in an SP Pkg. ''' ''' Generates the rule in case SP is to be generated in an SP Pkg. '''
pm_offset = get_pm_offset(sp_node) pm_offset = get_pm_offset(sp_node)