114a350e55
A bit overkill for 32bit machines, but aligning all the special data structures on 8 byte boundaries removes any special case for 64bit machines.
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*
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* Copyright (c) 2013-2015 Travis Geiselbrecht
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <compiler.h>
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#include <sys/types.h>
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/*
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* LK's init system
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*/
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typedef void (*lk_init_hook)(uint level);
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enum lk_init_level {
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LK_INIT_LEVEL_EARLIEST = 1,
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LK_INIT_LEVEL_ARCH_EARLY = 0x10000,
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LK_INIT_LEVEL_PLATFORM_EARLY = 0x20000,
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LK_INIT_LEVEL_TARGET_EARLY = 0x30000,
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LK_INIT_LEVEL_HEAP = 0x40000,
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LK_INIT_LEVEL_VM = 0x50000,
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LK_INIT_LEVEL_KERNEL = 0x60000,
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LK_INIT_LEVEL_THREADING = 0x70000,
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LK_INIT_LEVEL_ARCH = 0x80000,
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LK_INIT_LEVEL_PLATFORM = 0x90000,
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LK_INIT_LEVEL_TARGET = 0xa0000,
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LK_INIT_LEVEL_APPS = 0xb0000,
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LK_INIT_LEVEL_LAST = UINT_MAX,
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};
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enum lk_init_flags {
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LK_INIT_FLAG_PRIMARY_CPU = 0x1,
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LK_INIT_FLAG_SECONDARY_CPUS = 0x2,
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LK_INIT_FLAG_ALL_CPUS = LK_INIT_FLAG_PRIMARY_CPU | LK_INIT_FLAG_SECONDARY_CPUS,
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LK_INIT_FLAG_CPU_SUSPEND = 0x4,
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LK_INIT_FLAG_CPU_RESUME = 0x8,
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};
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void lk_init_level(enum lk_init_flags flags, uint start_level, uint stop_level);
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static inline void lk_primary_cpu_init_level(uint start_level, uint stop_level) {
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lk_init_level(LK_INIT_FLAG_PRIMARY_CPU, start_level, stop_level);
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}
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static inline void lk_init_level_all(enum lk_init_flags flags) {
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lk_init_level(flags, LK_INIT_LEVEL_EARLIEST, LK_INIT_LEVEL_LAST);
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}
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struct lk_init_struct {
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uint level;
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uint flags;
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lk_init_hook hook;
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const char *name;
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};
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#define LK_INIT_HOOK_FLAGS(_name, _hook, _level, _flags) \
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const struct lk_init_struct _init_struct_##_name __SECTION(".lk_init") = { \
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.level = _level, \
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.flags = _flags, \
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.hook = _hook, \
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.name = #_name, \
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};
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#define LK_INIT_HOOK(_name, _hook, _level) \
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LK_INIT_HOOK_FLAGS(_name, _hook, _level, LK_INIT_FLAG_PRIMARY_CPU)
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// vim: set ts=4 sw=4 expandtab:
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