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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/runtime/rt_vfs.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2013,2014 */
/* */
/* 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. */
/* */
/* IBM_PROLOG_END_TAG */
#include <runtime/interface.h>
#include <kernel/console.H>
#include <util/align.H>
#include <sys/vfs.h>
#include <vector>
#include <errno.h>
VfsSystemModule VFS_MODULES[VFS_MODULE_MAX] =
{{{VFS_MODULE_MAX,0},NULL,NULL,NULL,NULL,NULL,0}};
void vfs_module_init()
{
printk("Initializing modules.\n");
VfsSystemModule* module = &VFS_MODULES[0];
while ('\0' != module->module[0])
{
uint64_t textsize = (uint64_t)module->data - (uint64_t)module->text;
if (textsize != 0)
{
for (uint64_t i = (uint64_t)module->text;
i < (uint64_t)module->data;
i += PAGESIZE)
{
if (g_hostInterfaces->set_page_execute)
{
g_hostInterfaces->set_page_execute(
reinterpret_cast<void*>(i));
}
}
}
++module;
}
module = &VFS_MODULES[0];
while ('\0' != module->module[0])
{
printk("\tIniting module %s...", module->module);
if (NULL != module->init)
{
(module->init)(NULL);
}
printk("done.\n");
++module;
}
printk("Modules initialized.\n");
}
VfsSystemModule * vfs_find_module(VfsSystemModule * i_table,
const char * i_name)
{
VfsSystemModule* module = i_table;
VfsSystemModule* ret = NULL;
while ('\0' != module->module[0])
{
if (0 == strcmp(i_name,module->module))
{
ret = module;
break;
}
module++;
}
return ret;
}
void* vfs_start_entrypoint(VfsSystemModule * i_module)
{
void* ptr = reinterpret_cast<void*>(-ENOENT);
if(i_module != NULL)
{
if (i_module->start == NULL)
{
// module has no start() routine
ptr = reinterpret_cast<void*>(-ENOEXEC);
}
else
{
ptr = reinterpret_cast<void*>(i_module->start);
}
}
return ptr;
}
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