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json2renode: IRQ: Fallback to cpu0 if plic is unavailable

This commit is contained in:
Mateusz Karlic 2022-10-21 14:14:23 +02:00 committed by Mateusz Karlic
parent 4c959740dd
commit 97772eb4bd
1 changed files with 12 additions and 3 deletions
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15
litex/tools/litex_json2renode.py
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@ -20,6 +20,14 @@ import argparse
# and should not be generated automatically
non_generated_mem_regions = ['ethmac', 'csr']
def get_soc_interrupt_parent(csr):
'''
We assume that for multi-core setups plic will be used hence cpu0 is enough
'''
if 'plic' in csr['memories']:
return 'plic'
else:
return 'cpu0'
def get_descriptor(csr, name, size=None):
res = { 'base': csr['csr_bases'][name], 'constants': {} }
@ -110,7 +118,8 @@ ethmac: Network.LiteX_Ethernet{} @ {{
interrupt_name = '{}_interrupt'.format(name)
if interrupt_name in csr['constants']:
result += ' -> plic@{}\n'.format(
result += ' -> {}@{}\n'.format(
get_soc_interrupt_parent(csr),
csr['constants'][interrupt_name])
result += """
@ -306,7 +315,7 @@ def generate_peripheral(csr, name, **kwargs):
for constant, val in peripheral['constants'].items():
if 'ignored_constants' not in kwargs or constant not in kwargs['ignored_constants']:
if constant == 'interrupt':
result += ' -> plic@{}\n'.format(val)
result += ' -> {}@{}\n'.format(get_soc_interrupt_parent(csr), val)
else:
result += ' {}: {}\n'.format(constant, val)
@ -508,7 +517,7 @@ def generate_gpio_port(csr, name, **kwargs):
ints = ''
if 'interrupt' in kwargs:
ints += f' IRQ -> plic@{kwargs["interrupt"]}'
ints += f' IRQ -> {get_soc_interrupt_parent(csr)}@{kwargs["interrupt"]}'
if 'connections' in kwargs:
for irq, target in zip(kwargs['connections'], kwargs['connections_targets']):
ints += f' {irq} -> {target}\n'