C++ (Cpp) get_k_stack_topの例

コード例 #1

ファイル: arch_system.c プロジェクト: bdeepak77/minix3

void arch_init(void)
{
	k_stacks = (void*) &k_stacks_start;
	assert(!((vir_bytes) k_stacks % K_STACK_SIZE));

#ifndef CONFIG_SMP
	/*
	 * use stack 0 and cpu id 0 on a single processor machine, SMP
	 * configuration does this in smp_init() for all cpus at once
	 */
	tss_init(0, get_k_stack_top(0));
#endif

#if !CONFIG_OXPCIE
	ser_init();
#endif

#ifdef USE_ACPI
	acpi_init();
#endif

#if defined(USE_APIC) && !defined(CONFIG_SMP)
	if (config_no_apic) {
		BOOT_VERBOSE(printf("APIC disabled, using legacy PIC\n"));
	}
	else if (!apic_single_cpu_init()) {
		BOOT_VERBOSE(printf("APIC not present, using legacy PIC\n"));
	}
#endif

	/* Reserve some BIOS ranges */
	cut_memmap(&kinfo, BIOS_MEM_BEGIN, BIOS_MEM_END);
	cut_memmap(&kinfo, BASE_MEM_TOP, UPPER_MEM_END);
}

コード例 #2

ファイル: arch_system.c プロジェクト: chanddu/MINIX

PUBLIC void arch_init(void)
{
#ifdef USE_APIC
	/*
	 * this is setting kernel segments to cover most of the phys memory. The
	 * value is high enough to reach local APIC nad IOAPICs before paging is
	 * turned on.
	 */
	prot_set_kern_seg_limit(0xfff00000);
	reload_ds();
#endif

	idt_init();

	/* FIXME stupid a.out
	 * align the stacks in the stack are to the K_STACK_SIZE which is a
	 * power of 2
	 */
	k_stacks = (void*) (((vir_bytes)&k_stacks_start + K_STACK_SIZE - 1) &
							~(K_STACK_SIZE - 1));

#ifndef CONFIG_SMP
	/*
	 * use stack 0 and cpu id 0 on a single processor machine, SMP
	 * configuration does this in smp_init() for all cpus at once
	 */
	tss_init(0, get_k_stack_top(0));
#endif

#if !CONFIG_OXPCIE
	ser_init();
#endif

#ifdef USE_ACPI
	acpi_init();
#endif

#if defined(USE_APIC) && !defined(CONFIG_SMP)
	if (config_no_apic) {
		BOOT_VERBOSE(printf("APIC disabled, using legacy PIC\n"));
	}
	else if (!apic_single_cpu_init()) {
		BOOT_VERBOSE(printf("APIC not present, using legacy PIC\n"));
	}
#endif
}