diff options
Diffstat (limited to 'src/lib/ppc405lib/initcall.c')
| -rw-r--r-- | src/lib/ppc405lib/initcall.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/lib/ppc405lib/initcall.c b/src/lib/ppc405lib/initcall.c new file mode 100644 index 0000000..664fb6e --- /dev/null +++ b/src/lib/ppc405lib/initcall.c @@ -0,0 +1,70 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/lib/ppc405lib/initcall.c $ */ +/* */ +/* OpenPOWER OnChipController Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* 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 */ +// $Id$ + +/// \file initcall.c +/// \brief An anonymous early initialization facility for SSX applications + +#include "ssx.h" +#include "initcall.h" + +// These linker symbols must be defined if the initcall facility is used. The +// special ELF section .data.initcall contains an array of Initcall structures +// for all declared initcalls. + +extern InitCall _INITCALL_SECTION_BASE[]; +extern SsxLinkerSymbol _INITCALL_SECTION_SIZE; + +void +_initcall_run(InitCall* initcall) +{ + void (*f)(void* arg); + + f = initcall->initcall; + if (f) { + initcall->initcall = 0; + f(initcall->arg); + } +} + + +void +initcall_run_all() +{ + InitCall* initcall; + size_t nCalls; + + initcall = _INITCALL_SECTION_BASE; + nCalls = (size_t)(&_INITCALL_SECTION_SIZE) / sizeof(InitCall); + + for (; nCalls--; initcall++) { + _initcall_run(initcall); + } +} + + + + + |
