linux-4.4.1/setup_processor()(arm) の履歴(No.1)

• 履歴一覧
• 差分 を表示
• 現在との差分 を表示
• ソース を表示
• linux-4.4.1/setup_processor()(arm) へ行く。
  • 1 (2016-02-22 (月) 21:53:41)

参照元†

• linux-4.4.1/cpu_cache(global)(arm)
• linux-4.4.1/setup_processor()

説明†

• パス: linux-4.4.1/arch/arm/kernel/setup.c

• FIXME: これは何？
  • 説明

引数†

• なし

返り値†

• なし

参考†

実装†

static void __init setup_processor(void)
{
        struct proc_info_list *list;

        /*
         * locate processor in the list of supported processor
         * types.  The linker builds this table for us from the
         * entries in arch/arm/mm/proc-*.S
         */
        list = lookup_processor_type(read_cpuid_id());
        if (!list) {
                pr_err("CPU configuration botched (ID %08x), unable to continue.\n",
                       read_cpuid_id());
                while (1);
        }

        cpu_name = list->cpu_name;
        __cpu_architecture = __get_cpu_architecture();

#ifdef MULTI_CPU
        processor = *list->proc;
#endif
#ifdef MULTI_TLB
        cpu_tlb = *list->tlb;
#endif
#ifdef MULTI_USER
        cpu_user = *list->user;
#endif
#ifdef MULTI_CACHE
        cpu_cache = *list->cache;
#endif

        pr_info("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
                cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
                proc_arch[cpu_architecture()], get_cr());

        snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
                 list->arch_name, ENDIANNESS);
        snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
                 list->elf_name, ENDIANNESS);
        elf_hwcap = list->elf_hwcap;

        cpuid_init_hwcaps();

#ifndef CONFIG_ARM_THUMB
        elf_hwcap &= ~(HWCAP_THUMB | HWCAP_IDIVT);
#endif
#ifdef CONFIG_MMU
        init_default_cache_policy(list->__cpu_mm_mmu_flags);
#endif
        erratum_a15_798181_init();

        elf_hwcap_fixup();

        cacheid_init();
        cpu_init();
}

コメント†