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zephyr/scripts/sysgen

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#! /usr/bin/env python
#
# sysgen - System Generator
#
#
# Copyright (c) 2015, Wind River Systems, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Arguments:
# - name of MDEF file
# - name of directory for output files (optional)
# Generates:
# - kernel_main.c file
# - kernel_main.h file (local copy)
# - micro_private_types.h file (local copy)
# - sysgen.h file
import os
import sys
import subprocess
import argparse
# global variables describing system
MIN_HEAP = 64
heap_pos_in_pool_list = -1
num_kargs = 0
num_timers = 0
num_prios = 0
task_list = []
event_list = []
mutex_list = []
sema_list = []
fifo_list = []
pipe_list = []
mbx_list = []
map_list = []
pool_list = []
group_dictionary = {}
group_key_list = []
# global variables used during generation of output files
do_not_edit_warning = \
"\n\n\n/* THIS FILE IS AUTOGENERATED -- DO NOT MODIFY! */\n\n\n"
copyright = \
"/*\n" + \
" * Copyright (c) 2015 Wind River Systems, Inc.\n" + \
" *\n" + \
" * Licensed under the Apache License, Version 2.0 (the \"License\");\n" + \
" * you may not use this file except in compliance with the License.\n" + \
" * You may obtain a copy of the License at\n" + \
" *\n" + \
" * http://www.apache.org/licenses/LICENSE-2.0\n" + \
" *\n" + \
" * Unless required by applicable law or agreed to in writing, software\n" + \
" * distributed under the License is distributed on an \"AS IS\" BASIS,\n" + \
" * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n" + \
" * See the License for the specific language governing permissions and\n" + \
" * limitations under the License.\n" + \
" */\n"
output_dir = ""
input_mdef_file = ""
kernel_type = 'micro'
def get_cmdline_args():
""" Handle optional output directory argument """
global input_mdef_file
global output_dir
global kernel_type
output_dir_help='output directory for kernel_main.*, sysgen.h, etc'
input_mdef_file_help='input MDEF file'
kernel_type_help="'micro' or 'unified'"
parser = argparse.ArgumentParser()
parser.add_argument('-i', '--input-mdef-file', action='store',
required=True, help=input_mdef_file_help)
parser.add_argument('-o', '--output-dir', action='store',
help=output_dir_help)
parser.add_argument('-k', '--kernel-type', action='store',
help=kernel_type_help)
args = parser.parse_args()
input_mdef_file = args.input_mdef_file
if (args.output_dir != None):
output_dir = args.output_dir
if (args.kernel_type != None):
kernel_type = args.kernel_type
def write_file(filename, contents):
""" Create file using specified name and contents """
f = open(filename, 'w') # overwrites file if it already exists
f.write(contents)
f.close()
#
# ERROR HANDLING
#
def sysgen_error(msg):
print("\n*** sysgen error: " + msg + "\n")
sys.exit(1)
def error_arg_count(line):
sysgen_error("invalid number of arguments on following line\n" + line)
#
# CREATE INTERNAL REPRESENTATION OF SYSTEM
#
def mdef_parse():
""" Parse MDEF file """
global num_kargs
global num_timers
global num_prios
global MIN_HEAP
global heap_pos_in_pool_list
# read file contents in a single shot
with open(input_mdef_file, 'r') as infile:
data = infile.read()
# create list of the lines, breaking at line boundaries
my_list = data.splitlines()
# process each line
for line in my_list:
words = line.split()
if (len(words) == 0):
continue # ignore blank line
if (words[0][0] == "%"):
continue # ignore comment line
if (words[0] == "CONFIG"):
if (len(words) != 4):
error_arg_count(line)
num_kargs = int(words[1])
num_timers = int(words[2])
num_prios = int(words[3])
continue
if (words[0] == "TASK"):
if kernel_type == 'micro':
if (len(words) != 6):
error_arg_count(line)
task_list.append((words[1], int(words[2]), words[3],
int(words[4]), words[5]))
continue
elif (kernel_type == 'unified'):
if len(words) < 6 and len(words) > 10:
error_arg_count(line)
p1 = 0
p2 = 0
p3 = 0
if len(words) >= 7:
p1 = words[6]
if len(words) >= 8:
p2 = words[7]
if len(words) == 9:
p3 = words[8]
abort = 0
if len(words) == 10:
abort = words[9]
task_list.append((words[1], int(words[2]), words[3],
int(words[4]), words[5], p1, p2, p3, abort))
continue
if (words[0] == "TASKGROUP"):
if (len(words) != 2):
error_arg_count(line)
if words[1] in group_dictionary:
continue # ignore re-definition of a task group
group_bitmask = 1 << len(group_dictionary)
group_dictionary[words[1]] = group_bitmask
group_key_list.append(words[1])
continue
if (words[0] == "EVENT"):
if (len(words) != 3):
error_arg_count(line)
event_list.append((words[1], words[2]))
continue
if (words[0] == "SEMA"):
if (kernel_type == "micro"):
if (len(words) != 2):
error_arg_count(line)
sema_list.append((words[1],))
continue
elif (kernel_type == "unified"):
if len(words) < 2 and len(words) > 4:
error_arg_count(line)
if len(words) == 2:
sema_list.append((words[1], 0, 0xffffffff))
elif len(words) == 3:
sema_list.append((words[1], int(words[2]), 0xffffffff))
else:
sema_list.append((words[1], int(words[2]), int(words[3])))
continue
if (words[0] == "MUTEX"):
if (len(words) != 2):
error_arg_count(line)
mutex_list.append((words[1],))
continue
if (words[0] == "FIFO"):
if (len(words) != 4):
error_arg_count(line)
fifo_list.append((words[1], int(words[2]), int(words[3])))
continue
if (words[0] == "PIPE"):
if (len(words) != 3):
error_arg_count(line)
pipe_list.append((words[1], int(words[2])))
continue
if (words[0] == "MAILBOX"):
if (len(words) != 2):
error_arg_count(line)
mbx_list.append((words[1],))
continue
if (words[0] == "MAP"):
if (len(words) != 4):
error_arg_count(line)
map_list.append((words[1], int(words[2]), int(words[3])))
continue
if (words[0] == "POOL"):
if (len(words) != 5):
error_arg_count(line)
pool_list.append((words[1], int(words[2]), int(words[3]),
int(words[4])))
continue
if (words[0] == "HEAP_SIZE"):
if (len(words) != 2):
error_arg_count(line)
heap_size = int(words[1])
heap_pos_in_pool_list = len(pool_list)
pool_list.append(("_HEAP_MEM_POOL", MIN_HEAP, heap_size, 1))
continue
sysgen_error("unrecognized keyword %s on following line\n%s" %
(words[0], line))
#
# GENERATE kernel_main.c FILE
#
kernel_main_c_data = ""
kernel_main_c_filename_str = \
"/* kernel_main.c - microkernel objects */\n\n"
def kernel_main_c_out(string):
""" Append a string to kernel_main.c """
global kernel_main_c_data
kernel_main_c_data += string
def kernel_main_c_header():
""" Generate initial portion of kernel_main.c """
if kernel_type == 'micro':
kernel_main_c_out(
kernel_main_c_filename_str +
copyright +
do_not_edit_warning +
"\n" +
"#include <sysgen.h>\n" +
"#include <misc/debug/object_tracing_common.h>\n" +
"#include <micro_private_types.h>\n" +
"#include <kernel_main.h>\n" +
"#include <toolchain.h>\n" +
"#include <sections.h>\n")
else:
kernel_main_c_out(
kernel_main_c_filename_str +
copyright +
do_not_edit_warning +
"\n" +
"#include <sysgen.h>\n" +
"#include <misc/debug/object_tracing_common.h>\n" +
"#include <kernel.h>\n" +
"#include <toolchain.h>\n" +
"#include <sections.h>\n")
def kernel_main_c_kargs():
""" Generate command packet variables """
# command packets
kernel_main_c_out("\n" +
"struct k_args _k_server_command_packets[%s] =\n" % (num_kargs) +
"{\n" +
" {NULL, NULL, 0, 0, _K_SVC_UNDEFINED},\n")
for i in range(1, num_kargs - 1):
kernel_main_c_out(
" {&_k_server_command_packets[%d], " % (i - 1) +
"NULL, 0, 0, _K_SVC_UNDEFINED},\n")
kernel_main_c_out(
" {&_k_server_command_packets[%d], " % (num_kargs - 2) +
"NULL, 0, 0, _K_SVC_UNDEFINED}\n" +
"};\n")
# linked list of free command packets
kernel_main_c_out("\n" +
"struct nano_lifo _k_server_command_packet_free = " +
"{{NULL, &_k_server_command_packet_free.wait_q.head}, " +
"(void *) &_k_server_command_packets[%d]};\n" % (num_kargs - 1))
def kernel_main_c_timers():
""" Generate timer system variables """
if (num_timers == 0):
return
# timer descriptors
kernel_main_c_out("\n" +
"struct k_timer _k_timer_blocks[%d] =\n" % (num_timers) +
"{\n" +
" {NULL, NULL, 0, 0, (struct k_args *)0xffffffff},\n")
for i in range(1, num_timers - 1):
kernel_main_c_out(
" {&_k_timer_blocks[%d], " % (i - 1) +
"NULL, 0, 0, (struct k_args *)0xffffffff},\n")
kernel_main_c_out(
" {&_k_timer_blocks[%d], " % (num_timers - 2) +
"NULL, 0, 0, (struct k_args *)0xffffffff}\n" +
"};\n")
# linked list of free timers
kernel_main_c_out("\n" +
"struct nano_lifo _k_timer_free = " +
"{{NULL, &_k_timer_free.wait_q.head}, " +
"(void *) &_k_timer_blocks[%d]};\n" % (num_timers - 1))
def get_group_bitmask(group_str):
# create bitmask of group(s) task belongs to
group_bitmask = 0
group_set = group_str[1:len(group_str) - 1] # drop [] surrounding groups
if (group_set != ""):
group_list = group_set.split(',')
for group in group_list:
group_bitmask |= group_dictionary[group]
return group_bitmask
def is_float(x):
try:
float(x)
return True
except ValueError:
return False
def is_int(x):
try:
int(x)
return True
except ValueError:
return False
def is_number(x):
return is_float(x) or is_int(x)
def kernel_main_c_tasks_unified():
global num_prios
kernel_main_c_out("\n")
# declare task entry points
kernel_main_c_out("\n")
for task in task_list:
kernel_main_c_out("EXTERN_C void %s(void *, void *, void *);\n" %
task[2])
# thread_init objects
kernel_main_c_out("\n")
for task in task_list:
name = task[0]
prio = task[1]
entry = task[2]
stack_size = task[3]
groups = get_group_bitmask(task[4])
params = (task[5], task[6], task[7])
for param in params:
if not is_number(param):
kernel_main_c_out("extern void *%s;\n" % (param));
abort = task[8]
if abort != 0 and abort != 'NULL':
kernel_main_c_out("EXTERN_C void %s(void);\n" % abort)
kernel_main_c_out(
"K_THREAD_OBJ_DEFINE(%s, %u, %s, %s, %s, %s, %s, %d, 0x%x);\n" %
(name, int(stack_size), entry,
params[0], params[1], params[2],
abort, int(prio), int(groups)))
def kernel_main_c_tasks_micro():
global num_prios
# task stack areas
kernel_main_c_out("\n")
for task in task_list:
kernel_main_c_out("char __noinit __stack __%s_stack[%d];\n" %
(task[0], task[3]))
kernel_main_c_out("extern char main_task_stack[CONFIG_MAIN_STACK_SIZE];\n")
# declare task entry points
kernel_main_c_out("\n")
for task in task_list:
kernel_main_c_out("EXTERN_C void %s(void);\n" % task[2])
# task descriptors (including one for idle task)
#
# compiler puts these objects into the section as if
# it is a stack. hence the need to reverse the list.
# this is to preseve the order defined in MDEF file.
kernel_main_c_out("\n")
for task in reversed(task_list):
name = task[0]
prio = task[1]
entry = task[2]
size = task[3]
obj_name = "_k_task_obj_%s" % (name)
stack = "__" + task[0] + "_stack"
# create bitmask of group(s) task belongs to
group_bitmask = get_group_bitmask(task[4])
# invert bitmask to convert SYS indication to non-SYS indication
#
# NOTE: There actually is no SYS group; instead, there is a non-SYS
# group that all tasks belong to unless they specify the 'SYS' name.
# This approach allows the kernel to easily suspend all non-SYS tasks
# during debugging, while minimizing the number of task entries that
# have to explicitly indicate their SYS/non-SYS status.
group_bitmask ^= group_dictionary['SYS']
kernel_main_c_out(
"struct k_task %s " % (obj_name)+
"__in_section(_k_task_list, public, task) =\n" +
" {NULL, NULL, %d, (ktask_t)&%s,\n" % (prio, obj_name) +
" 0x00000001, %#010x,\n" % (group_bitmask) +
" %s, %s, %d,\n" % (entry, stack, size) +
" (taskabortfunction)NULL, NULL};\n" +
"ktask_t _k_task_ptr_%s " % (name) +
" __in_section(_k_task_ptr, public, task) = " +
" (ktask_t)&%s;\n" % (obj_name))
kernel_main_c_out(
"struct k_task _k_task_idle " +
"__in_section(_k_task_list, idle, task) =\n" +
" {NULL, NULL, %d, 0x00000000,\n" % (num_prios - 1) +
" 0x00000000, 0x00000000,\n" +
" (taskstartfunction)NULL, main_task_stack,\n"
" CONFIG_MAIN_STACK_SIZE,\n" +
" (taskabortfunction)NULL, NULL};\n" +
"ktask_t _k_task_ptr_idle " +
" __in_section(_k_task_ptr, idle, task) = " +
" (ktask_t)&_k_task_idle;\n")
# currently scheduled task (idle task)
kernel_main_c_out("\n" +
"struct k_task * _k_current_task = &_k_task_idle;\n")
def kernel_main_c_tasks():
""" Generate task variables """
if kernel_type == 'micro':
kernel_main_c_tasks_micro()
else:
kernel_main_c_tasks_unified()
def kernel_main_c_priorities():
""" Generate task scheduling variables """
global num_prios
total_tasks = len(task_list) + 1
# priority queue descriptors (lowest priority queue contains idle task)
kernel_main_c_out("\n" +
"struct k_tqhd _k_task_priority_list[%d] =\n" % (num_prios) +
"{\n")
for i in range(1, num_prios):
kernel_main_c_out(
" {NULL, (struct k_task *)&_k_task_priority_list[%d]},\n" %
(i - 1))
kernel_main_c_out(
" {&_k_task_idle, &_k_task_idle}\n" +
"};\n")
# active priority queue (idle task's queue)
kernel_main_c_out("\n" +
"struct k_tqhd * K_Prio = &_k_task_priority_list[%d];\n" %
(num_prios - 1))
# priority queue bit map (indicates which priority queues are non-empty;
# initially only the idle task's queue has a runnable task)
num_bit_maps = ((num_prios + 31) // 32)
kernel_main_c_out("\n" +
"uint32_t _k_task_priority_bitmap[%d] = {" % (num_bit_maps))
for i in range(1, num_bit_maps):
kernel_main_c_out("0, ")
kernel_main_c_out("(1u << %d)};\n" % ((num_prios - 1) & 0x1f))
def kernel_main_c_events():
""" Generate event variables """
if kernel_type == 'micro':
event_type = 'int'
else:
event_type = 'struct k_event *'
# event descriptors
# pre-defined event for timer
if (num_timers > 0):
kernel_main_c_out("DEFINE_EVENT(TICK_EVENT, _k_ticker);\n")
else:
kernel_main_c_out("DEFINE_EVENT(TICK_EVENT, NULL);\n")
# project-specific events
for event in event_list:
# if there is a handler function, it needs to be declared
# before setting up the object via DEFINE_EVENT()
#
# in other words, no declaration if handler is NULL or 0
handler = event[1].strip().lower()
if handler != "null" and handler != "0":
kernel_main_c_out("extern int %s(%s event);\n" %
(event[1], event_type))
if kernel_type == 'micro':
kernel_main_c_out("DEFINE_EVENT(%s, %s);\n" % (event[0], event[1]))
else:
kernel_main_c_out("K_EVENT_DEFINE(_k_event_obj_%s, %s);\n" %
(event[0], event[1]))
def kernel_main_c_mutexes():
""" Generate mutex variables """
total_mutexes = len(mutex_list)
if (total_mutexes == 0):
return
# mutex descriptors
kernel_main_c_out("\n")
for mutex in mutex_list:
name = mutex[0]
if kernel_type == 'micro':
kernel_main_c_out("struct _k_mutex_struct _k_mutex_obj_%s = " %
(name) + "__MUTEX_DEFAULT;\n")
else:
kernel_main_c_out("K_MUTEX_DEFINE(_k_mutex_obj_%s);\n" % (name))
def kernel_main_c_semas():
""" Generate semaphore variables """
total_semas = len(sema_list)
if (total_semas == 0):
return
# semaphore descriptors
kernel_main_c_out("\n")
for semaphore in sema_list:
name = semaphore[0]
if kernel_type == 'micro':
kernel_main_c_out("struct _k_sem_struct _k_sem_obj_%s = " %
(name) + "__K_SEMAPHORE_DEFAULT;\n")
else:
initial_count = semaphore[1]
limit = semaphore[2]
kernel_main_c_out("K_SEM_DEFINE(_k_sem_obj_%s, %s, %s);\n" %
(name, initial_count, limit))
def kernel_main_c_fifos():
""" Generate FIFO variables """
total_fifos = len(fifo_list)
if (total_fifos == 0):
return
kernel_main_c_out("\n")
if kernel_type == 'micro':
# FIFO buffers and descriptors
for fifo in fifo_list:
name = fifo[0]
depth = fifo[1]
width = fifo[2]
buffer = "__" + name + "_buffer"
kernel_main_c_out("char __noinit %s[%d];\n" %
(buffer, depth * width))
kernel_main_c_out(
"struct _k_fifo_struct _k_fifo_obj_%s = " % (name) +
"__K_FIFO_DEFAULT(%d, %d, %s);\n" % (depth, width, buffer))
else:
# message queue objects
for fifo in fifo_list:
name = fifo[0]
depth = fifo[1]
width = fifo[2]
kernel_main_c_out("K_MSGQ_DEFINE(_k_fifo_obj_%s, %s, %s);\n" %
(name, depth, width))
def kernel_main_c_pipes():
""" Generate pipe variables """
total_pipes = len(pipe_list)
if (total_pipes == 0):
return
# pipe buffers
kernel_main_c_out("\n")
if kernel_type == 'micro':
for pipe in pipe_list:
kernel_main_c_out(
"char __noinit __%s_buffer[%d];\n" % (pipe[0], pipe[1]))
# pipe descriptors
for pipe in pipe_list:
name = pipe[0]
size = pipe[1]
buffer = "__" + pipe[0] + "_buffer"
kernel_main_c_out("struct _k_pipe_struct _k_pipe_obj_%s = "
% (name) +
" __K_PIPE_INITIALIZER(%d, %s);\n" % (size, buffer) +
"kpipe_t _k_pipe_ptr_%s " % (name) +
" __in_section(_k_pipe_ptr, public, pipe) =\n" +
" (kpipe_t)&_k_pipe_obj_%s;\n" % (name))
else:
# pipe objects
for pipe in pipe_list:
name = pipe[0]
size = pipe[1]
kernel_main_c_out("K_PIPE_DEFINE(_k_pipe_obj_%s, %d);\n" %
(name, size))
def kernel_main_c_mailboxes():
""" Generate mailbox variables """
total_mbxs = len(mbx_list)
if (total_mbxs == 0):
return
kernel_main_c_out("\n")
if kernel_type == 'micro':
# mailbox descriptors
for mbx in mbx_list:
name = mbx[0]
kernel_main_c_out(
"struct _k_mbox_struct _k_mbox_obj_%s = " % (name) +
"__K_MAILBOX_DEFAULT;\n")
else:
# mailbox objects
for mbx in mbx_list:
name = mbx[0]
kernel_main_c_out("K_MBOX_DEFINE(_k_mbox_obj_%s);\n" % (name))
def kernel_main_c_maps():
""" Generate memory map variables """
total_maps = len(map_list)
if (total_maps == 0):
return
kernel_main_c_out("\n")
if kernel_type == 'micro':
# memory map buffers and descriptors
for map in map_list:
name = map[0]
blocks = map[1]
block_size = map[2]
kernel_main_c_out("char __noinit __MAP_%s_buffer[%d];\n" %
(map[0], blocks * block_size))
kernel_main_c_out(
"struct _k_mem_map_struct _k_mem_map_obj_%s = " % (name) +
"__K_MEM_MAP_INITIALIZER(%d, %d, __MAP_%s_buffer);\n" %
(blocks, block_size, map[0]))
kernel_main_c_out(
"kmemory_map_t _k_mem_map_ptr_%s " % (name) +
" __in_section(_k_mem_map_ptr, public, mem_map) =\n" +
" (kmemory_map_t)&_k_mem_map_obj_%s;\n" % (name))
else:
# memory map objects
for map in map_list:
name = map[0]
blocks = map[1]
block_size = map[2]
kernel_main_c_out("K_MEM_MAP_DEFINE(_k_mem_map_obj_%s, %s, %s);\n" %
(name, blocks, block_size))
def kernel_main_c_pools():
""" Generate memory pool variables """
global heap_pos_in_pool_list
total_pools = len(pool_list)
# pool global variables
kernel_main_c_out("\nint _k_mem_pool_count = %d;\n" % (total_pools))
if kernel_type == 'micro':
if (total_pools == 0):
kernel_main_c_out("\nstruct pool_struct * _k_mem_pool_list = NULL;\n")
return
# Heap pool if present can be indexed using the below variable
if (heap_pos_in_pool_list != -1):
kernel_main_c_out("\nconst kmemory_pool_t _heap_mem_pool_id = %d;\n" \
%(heap_pos_in_pool_list))
# start accumulating memory pool descriptor info
pool_descriptors = "\nstruct pool_struct _k_mem_pool_list[%d] =\n{\n" % \
(total_pools)
ident = 0x00010000
for pool in pool_list:
kernel_main_c_out("\n")
# create local variables relating to current pool
min_block_size = pool[1]
max_block_size = pool[2]
num_maximal_blocks = pool[3]
total_memory = max_block_size * num_maximal_blocks
buffer = "__" + pool[0] + "_buffer"
frag_table = "block_sets_%#010x" % ident
# determine block sizes used by pool (including actual minimum size)
block_size_list = [max_block_size]
while (ident != 0): # loop forever
min_block_size_actual = block_size_list[len(block_size_list) - 1]
min_block_size_proposed = min_block_size_actual / 4
if (min_block_size_proposed < min_block_size):
break
block_size_list.append(min_block_size_proposed)
frag_levels = len(block_size_list)
# determine size of quad-block arrays,
# from the largest block size to the smallest block size
# - each array must be big enough to track the status of
# the entire memory pool buffer
# - each array entry tracks the status of 4 consecutive blocks
# - need to do rounding up with array for largest block size
# in case the # of largest size blocks isn't a multiple of 4
# (i.e. it's final array entry may be partly unused)
quad_block_sizes = [(num_maximal_blocks + 3) / 4]
quad_block_size_to_use = num_maximal_blocks
for index in range(1, frag_levels):
quad_block_sizes.append(quad_block_size_to_use)
quad_block_size_to_use *= 4
# generate array of quad-blocks for each block set
for index in range(0, frag_levels):
kernel_main_c_out(
"struct pool_quad_block quad_blocks_%#010x_%d[%d];\n" %
(ident, index, quad_block_sizes[index]))
# generate array of block sets for memory pool
kernel_main_c_out("\nstruct pool_block_set %s[%d] =\n{\n" %
(frag_table, frag_levels))
for index in range(0, frag_levels):
kernel_main_c_out(" { %d, %d, quad_blocks_%#010x_%d},\n" %
(block_size_list[index], quad_block_sizes[index],
ident, index))
kernel_main_c_out("};\n")
# generate memory pool buffer
kernel_main_c_out("\nchar __noinit %s[%d];\n" % (buffer, total_memory))
# append memory pool descriptor info
pool_descriptors += " {%d, %d, %d, %d, NULL, %s, %s},\n" % \
(max_block_size, min_block_size_actual,
num_maximal_blocks, frag_levels, frag_table, buffer)
ident += 1
# generate memory pool descriptor info
pool_descriptors += "};\n"
elif kernel_type == 'unified':
pool_descriptors = ""
for pool in pool_list:
kernel_main_c_out("\n")
min_block_size = pool[1]
max_block_size = pool[2]
num_maximal_blocks = pool[3]
pool_descriptors += "K_MEMORY_POOL_DEFINE(_k_mem_pool_obj_%s, %d, %d, %d);\n" % \
(pool[0], min_block_size, max_block_size,
num_maximal_blocks)
kernel_main_c_out(pool_descriptors)
def kernel_main_c_node_init():
""" Generate node initialization routine """
kernel_main_c_out("\n" +
"void _k_init_dynamic(void)\n{\n")
kernel_main_c_out(" _k_pipe_init();\n")
kernel_main_c_out(" _k_mem_map_init();\n")
if (len(pool_list) > 0):
kernel_main_c_out(" _k_mem_pool_init();\n")
kernel_main_c_out("#ifdef CONFIG_DEBUG_TRACING_KERNEL_OBJECTS\n")
# mutex object ids
for mutex in mutex_list:
name = mutex[0]
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_mutex, " +
"&_k_mutex_obj_%s);\n" % (name))
# semaphore object ids
for semaphore in sema_list:
name = semaphore[0]
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_sem, " +
"&_k_sem_obj_%s);\n" % (name))
# fifo object ids
for fifo in fifo_list:
name = fifo[0]
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_fifo, " +
"&_k_fifo_obj_%s);\n" % (name))
# mailbox object ids
for mbx in mbx_list:
name = mbx[0]
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_mbox, " +
"&_k_mbox_obj_%s);\n" % (name))
# pipe object id
for pipe in pipe_list:
name = pipe[0];
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_pipe, " +
"&_k_pipe_obj_%s);\n" % (name))
# memory map object id
for map in map_list:
name = map[0];
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_mem_map, " +
"&_k_mem_map_obj_%s);\n" % (name))
# memory pool object id
pool_count = 0;
total_pools = len(pool_list);
while (pool_count < total_pools):
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_mem_pool, " +
"&(_k_mem_pool_list[%d]));\n" % (pool_count))
pool_count = pool_count + 1;
# event map object id
for event in event_list:
# no need to expose the irq task events
if not (event[0].startswith("_TaskIrqEvt")):
name = event[0];
kernel_main_c_out("\tSYS_TRACING_OBJ_INIT(micro_event, " +
"&_k_event_obj_%s);\n" % (name))
kernel_main_c_out("#endif\n")
kernel_main_c_out("}\n")
def kernel_main_c_generate():
""" Generate kernel_main.c file """
global kernel_main_c_data
kernel_main_c_header()
kernel_main_c_mutexes()
kernel_main_c_semas()
kernel_main_c_events()
kernel_main_c_maps()
kernel_main_c_fifos()
kernel_main_c_mailboxes()
kernel_main_c_tasks()
kernel_main_c_pipes()
kernel_main_c_pools()
if kernel_type == 'micro':
kernel_main_c_kargs()
kernel_main_c_timers()
kernel_main_c_node_init()
kernel_main_c_priorities()
write_file(output_dir + 'kernel_main.c', kernel_main_c_data)
#
# GENERATE kernel_main.h FILE
#
def kernel_main_h_generate():
""" Generate kernel_main.h file """
global output_dir
subprocess.check_call([
"cp",
"-f",
os.environ["ZEPHYR_BASE"] +
"/kernel/microkernel/include/kernel_main.h",
output_dir])
#
# GENERATE micro_private_types.h FILE
#
def micro_private_types_h_generate():
""" Generate micro_private_types.h file """
global output_dir
subprocess.check_call([
"cp",
"-f",
os.environ["ZEPHYR_BASE"] +
"/kernel/microkernel/include/micro_private_types.h",
output_dir])
#
# GENERATE sysgen.h FILE
#
sysgen_h_data = ""
sysgen_h_filename_str = \
"/* sysgen.h - system generated microkernel definitions */\n\n"
sysgen_h_include_guard = "_SYSGEN__H_"
sysgen_h_header_include_guard_str = \
"#ifndef " + sysgen_h_include_guard + "\n" \
"#define " + sysgen_h_include_guard + "\n\n"
def generate_sysgen_h_header():
global sysgen_h_data
if kernel_type == 'micro':
kernel_api_file = "#include <microkernel.h>\n"
else:
kernel_api_file = "#include <kernel.h>\n"
sysgen_h_data += \
sysgen_h_filename_str + \
copyright + \
do_not_edit_warning + \
kernel_api_file + \
sysgen_h_header_include_guard_str + \
"\n"
def generate_taskgroup_line(taskgroup, group_id):
global sysgen_h_data
sysgen_h_data += \
"#define " + taskgroup + " 0x%8.8x\n" % group_id
def generate_sysgen_h_taskgroups():
global sysgen_h_data
for group in group_key_list:
generate_taskgroup_line(group, group_dictionary[group])
sysgen_h_data += "\n"
def generate_obj_id_line(name, obj_id):
return "#define " + name + " 0x0001%4.4x\n" % obj_id
def generate_obj_id_lines(obj_types):
data = ""
for obj_type in obj_types:
for obj in obj_type[0]:
data += generate_obj_id_line(str(obj[0]), obj_type[1])
obj_type[1] += 1
if obj_type[1] > 0:
data += "\n"
return data
def generate_sysgen_h_obj_ids():
global sysgen_h_data
if kernel_type == 'micro':
mutex_struct = '_k_mutex_struct'
mutex_type = 'kmutex_t'
sem_struct = '_k_sem_struct'
sem_type = 'ksem_t'
pipe_struct = '_k_pipe_struct'
pipe_type = 'kpipe_t'
map_struct = '_k_mem_map_struct'
map_type = 'kmemory_map_t'
fifo_struct = '_k_fifo_struct'
fifo_type = 'kfifo_t'
mbox_struct = '_k_mbox_struct'
mbox_type = 'kmbox_t'
event_type = 'kevent_t'
# add missing object types
else:
mutex_struct = 'k_mutex'
mutex_type = 'struct k_mutex *'
sem_struct = 'k_sem'
sem_type = 'struct k_sem *'
pipe_struct = 'k_pipe'
pipe_type = 'struct k_pipe *'
map_struct = 'k_mem_map'
map_type = 'struct k_mem_map *'
fifo_struct = 'k_msgq'
fifo_type = 'struct k_msgq *'
mbox_struct = 'k_mbox'
mbox_type = 'struct k_mbox *'
event_type = 'struct k_event *'
mem_pool_type = 'struct k_mem_pool'
# add missing object types
# mutex object ids
sysgen_h_data += "\n"
for mutex in mutex_list:
name = mutex[0]
sysgen_h_data += \
"extern struct %s _k_mutex_obj_%s;\n" % (mutex_struct, name)
sysgen_h_data += \
"#define %s ((%s)&_k_mutex_obj_%s)\n\n" % (name, mutex_type, name)
# semaphore object ids
sysgen_h_data += "\n"
for semaphore in sema_list:
name = semaphore[0]
sysgen_h_data += \
"extern struct %s _k_sem_obj_%s;\n" % (sem_struct, name)
sysgen_h_data += \
"#define %s ((%s)&_k_sem_obj_%s)\n\n" % (name, sem_type, name)
# fifo (aka message queue) object ids
sysgen_h_data += "\n"
for fifo in fifo_list:
name = fifo[0]
sysgen_h_data += \
"extern struct %s _k_fifo_obj_%s;\n" % (fifo_struct, name)
sysgen_h_data += \
"#define %s ((%s)&_k_fifo_obj_%s)\n\n" % (name, fifo_type, name)
# mailbox object ids
sysgen_h_data += "\n"
for mbx in mbx_list:
name = mbx[0]
sysgen_h_data += \
"extern struct %s _k_mbox_obj_%s;\n" % (mbox_struct, name)
sysgen_h_data += \
"#define %s ((%s)&_k_mbox_obj_%s)\n\n" % (name, mbox_type, name)
# pipe object id
sysgen_h_data += "\n"
for pipe in pipe_list:
name = pipe[0];
sysgen_h_data += \
"extern struct %s _k_pipe_obj_%s;\n" % (pipe_struct, name)
sysgen_h_data += \
"#define %s ((%s)&_k_pipe_obj_%s)\n\n" % (name, pipe_type, name)
# memory map object id
sysgen_h_data += "\n"
for map in map_list:
name = map[0];
sysgen_h_data += \
"extern struct %s _k_mem_map_obj_%s;\n" % (map_struct, name)
sysgen_h_data += \
"#define %s ((%s)&_k_mem_map_obj_%s)\n" % (name, map_type, name)
# task object id
sysgen_h_data += "\n"
for task in task_list:
name = task[0];
if kernel_type == 'micro':
sysgen_h_data += \
"extern struct k_task _k_task_obj_%s;\n" % (name) + \
"#define %s ((ktask_t)&_k_task_obj_%s)\n" % (name, name)
elif (kernel_type == 'unified'):
sysgen_h_data += \
"extern char _k_thread_obj_%s[];\n" % (name) + \
"#define %s ((k_tid_t)_k_thread_obj_%s)\n" % (name, name)
# event object ids
sysgen_h_data += "\n"
for event in event_list:
# no need to expose the irq task events
if not (event[0].startswith("_TaskIrqEvt")):
name = event[0];
if kernel_type == 'micro':
sysgen_h_data += "extern const %s %s;\n" % (event_type, name)
elif (kernel_type == 'unified'):
sysgen_h_data += \
"extern struct k_event _k_event_obj_%s;\n" % (name)
sysgen_h_data += \
"#define %s (&_k_event_obj_%s)\n\n" % (name, name)
# memory pool object ids
if kernel_type == 'micro':
obj_types = [
[pool_list, 0],
]
sysgen_h_data += generate_obj_id_lines(obj_types)
elif (kernel_type == 'unified'):
for mem_pool in pool_list:
name = mem_pool[0];
sysgen_h_data += \
"extern %s _k_mem_pool_obj_%s;\n" % (mem_pool_type, name)
sysgen_h_data += \
"#define %s ((%s *)&_k_mem_pool_obj_%s)\n" % (name, mem_pool_type, name)
# all other object ids
sysgen_h_footer_include_guard_str = \
"\n#endif /* " + sysgen_h_include_guard + " */\n"
def generate_sysgen_h_footer():
global sysgen_h_data
sysgen_h_data += \
sysgen_h_footer_include_guard_str
def sysgen_h_generate():
""" Generate sysgen.h file """
generate_sysgen_h_header()
generate_sysgen_h_taskgroups()
generate_sysgen_h_obj_ids()
generate_sysgen_h_footer()
write_file(output_dir + 'sysgen.h', sysgen_h_data)
#
# SYSTEM GENERATOR MAINLINE
#
get_cmdline_args()
mdef_parse()
kernel_main_c_generate()
if kernel_type == 'micro':
kernel_main_h_generate()
micro_private_types_h_generate()
sysgen_h_generate()
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