97 lines
2.4 KiB
C
Executable File
97 lines
2.4 KiB
C
Executable File
/**
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* @file globals.c
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* @author ATShining (1358745329@qq.com)
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* @brief
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* @version 0.1
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* @date 2023-09-29
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*
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* @copyright Copyright (c) 2023
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*
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*/
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#include "globals.h"
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#include "types.h"
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#include "init.h"
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#include "mm.h"
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#include "kobject.h"
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#include "prot.h"
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#include "assert.h"
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#include "mm_man.h"
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#include "ipc.h"
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#include <libfdt.h>
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static mem_t global_mem; //!< 全局内存管理块
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static kobject_t *kobj_ls[FACTORY_FUNC_MAX]; //!< 全局静态内核对象
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/**
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* @brief 注册一个全局静态的内核对象
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*
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* @param kobj 注册的内核对象
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* @param inx 注册的内核对象号
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*/
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void global_reg_kobj(kobject_t *kobj, int inx)
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{
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assert(inx >= 0);
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assert(inx < FACTORY_FUNC_MAX);
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kobj_ls[inx - 1] = kobj;
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}
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/**
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* @brief 获取注册的内核对象
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*
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* @param inx 获取哪一个
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* @return kobject_t* ==NULL 失败 !=NULL成功
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*/
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kobject_t *global_get_kobj(int inx)
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{
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assert(inx >= 0);
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assert(inx < FACTORY_FUNC_MAX);
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return kobj_ls[inx - 1];
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}
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#if CONFIG_BUDDY_SLAB
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#include <buddy.h>
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#include <arch.h>
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#endif
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/**
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* @brief 系统内存初始化
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*
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*/
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static void mem_sys_init(void)
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{
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#if CONFIG_BUDDY_SLAB
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extern char _buddy_data_start[];
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// extern char _buddy_data_end[];
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int ret;
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size_t buddy_size = (size_t)CONFIG_SYS_DATA_SIZE - ((addr_t)_buddy_data_start - CONFIG_SYS_DATA_ADDR - CONFIG_BOOTSTRAP_TEXT_SIZE);
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ret = buddy_init(buddy_get_alloter(),
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ALIGN((addr_t)_buddy_data_start, (1 << (BUDDY_MAX_ORDER + CONFIG_PAGE_SHIFT))) /*FIXME:这里可能会浪费一点内存*/,
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ALIGN_DOWN(buddy_size - (1 << (BUDDY_MAX_ORDER + CONFIG_PAGE_SHIFT)), (1 << (BUDDY_MAX_ORDER + CONFIG_PAGE_SHIFT))));
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assert(ret >= 0);
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mmu_page_alloc_set(mm_buddy_alloc_one_page);
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#else
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mm_init(arch_get_boot_info());
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#endif
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}
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INIT_MEM(mem_sys_init);
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#if IS_ENABLED(CONFIG_DTBO_SUPPORT)
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static void dts_parse(void)
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{
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printk("init dtbo parsing.\n");
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addr_t entry;
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size_t size;
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void *fdt;
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fdt = (void *)arch_get_boot_info()->flash_layer.flash_layer_list[DTBO_LAYER_1].st_addr;
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assert(fdt);
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int fdt_size = fdt_totalsize(fdt);
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printk("dtbo: fdt_size:%d\n", fdt_size);
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fdt32_t magic = fdt_get_header(fdt, magic);
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assert(magic == 0xd00dfeed);
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fdt32_t version = fdt_get_header(fdt, version);
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printk("dtbo: 0x%x 0x%0x\n", magic, version);
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}
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INIT_ONBOOT(dts_parse);
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#endif
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