Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * License.  See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright (C) 1998-2003 Hewlett-Packard Co
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *	David Mosberger-Tang <davidm@hpl.hp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *	Stephane Eranian <eranian@hpl.hp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Copyright (C) 2000, Rohit Seth <rohit.seth@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Copyright (C) 1999 VA Linux Systems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Copyright (C) 2003 Silicon Graphics, Inc. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * Routines used by ia64 machines with contiguous (or virtually contiguous)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/efi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/memblock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/nmi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/swap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <asm/meminit.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <asm/sections.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <asm/mca.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #ifdef CONFIG_VIRTUAL_MEM_MAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) static unsigned long max_gap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) /* physical address where the bootmem map is located */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) unsigned long bootmap_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #ifdef CONFIG_SMP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) static void *cpu_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  * per_cpu_init - setup per-cpu variables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39)  * Allocate and setup per-cpu data areas.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) void *per_cpu_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	static bool first_time = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	void *cpu0_data = __cpu0_per_cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	unsigned int cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	if (!first_time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		goto skip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	first_time = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	 * get_free_pages() cannot be used before cpu_init() done.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	 * BSP allocates PERCPU_PAGE_SIZE bytes for all possible CPUs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	 * to avoid that AP calls get_zeroed_page().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	for_each_possible_cpu(cpu) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 		void *src = cpu == 0 ? cpu0_data : __phys_per_cpu_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		memcpy(cpu_data, src, __per_cpu_end - __per_cpu_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		__per_cpu_offset[cpu] = (char *)cpu_data - __per_cpu_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		 * percpu area for cpu0 is moved from the __init area
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		 * which is setup by head.S and used till this point.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		 * Update ar.k3.  This move is ensures that percpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		 * area for cpu0 is on the correct node and its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		 * virtual address isn't insanely far from other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		 * percpu areas which is important for congruent
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		 * percpu allocator.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		if (cpu == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 			ia64_set_kr(IA64_KR_PER_CPU_DATA, __pa(cpu_data) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 				    (unsigned long)__per_cpu_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		cpu_data += PERCPU_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) skip:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) alloc_per_cpu_data(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	size_t size = PERCPU_PAGE_SIZE * num_possible_cpus();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	cpu_data = memblock_alloc_from(size, PERCPU_PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 				       __pa(MAX_DMA_ADDRESS));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	if (!cpu_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		      __func__, size, PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)  * setup_per_cpu_areas - setup percpu areas
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97)  * Arch code has already allocated and initialized percpu areas.  All
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98)  * this function has to do is to teach the determined layout to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99)  * dynamic percpu allocator, which happens to be more complex than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)  * creating whole new ones using helpers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) void __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) setup_per_cpu_areas(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	struct pcpu_alloc_info *ai;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	struct pcpu_group_info *gi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	unsigned int cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	ssize_t static_size, reserved_size, dyn_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	ai = pcpu_alloc_alloc_info(1, num_possible_cpus());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	if (!ai)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		panic("failed to allocate pcpu_alloc_info");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	gi = &ai->groups[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	/* units are assigned consecutively to possible cpus */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	for_each_possible_cpu(cpu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		gi->cpu_map[gi->nr_units++] = cpu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	/* set parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	static_size = __per_cpu_end - __per_cpu_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	reserved_size = PERCPU_MODULE_RESERVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	dyn_size = PERCPU_PAGE_SIZE - static_size - reserved_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	if (dyn_size < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		panic("percpu area overflow static=%zd reserved=%zd\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		      static_size, reserved_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	ai->static_size		= static_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	ai->reserved_size	= reserved_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	ai->dyn_size		= dyn_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	ai->unit_size		= PERCPU_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	ai->atom_size		= PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	ai->alloc_size		= PERCPU_PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	pcpu_setup_first_chunk(ai, __per_cpu_start + __per_cpu_offset[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	pcpu_free_alloc_info(ai);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #define alloc_per_cpu_data() do { } while (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #endif /* CONFIG_SMP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)  * find_memory - setup memory map
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)  * Walk the EFI memory map and find usable memory for the system, taking
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  * into account reserved areas.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) void __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) find_memory (void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	reserve_memory();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	/* first find highest page frame number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	min_low_pfn = ~0UL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	max_low_pfn = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	efi_memmap_walk(find_max_min_low_pfn, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	max_pfn = max_low_pfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) #ifdef CONFIG_VIRTUAL_MEM_MAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	efi_memmap_walk(filter_memory, register_active_ranges);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	memblock_add_node(0, PFN_PHYS(max_low_pfn), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	find_initrd();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	alloc_per_cpu_data();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)  * Set up the page tables.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) void __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) paging_init (void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	unsigned long max_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	unsigned long max_zone_pfns[MAX_NR_ZONES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) #ifdef CONFIG_ZONE_DMA32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	max_zone_pfns[ZONE_DMA32] = max_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) #ifdef CONFIG_VIRTUAL_MEM_MAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	efi_memmap_walk(find_largest_hole, (u64 *)&max_gap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	if (max_gap < LARGE_GAP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		vmem_map = (struct page *) 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		unsigned long map_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		/* allocate virtual_mem_map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		map_size = PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 			sizeof(struct page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		VMALLOC_END -= map_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		vmem_map = (struct page *) VMALLOC_END;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		efi_memmap_walk(create_mem_map_page_table, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		 * alloc_node_mem_map makes an adjustment for mem_map
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		 * which isn't compatible with vmem_map.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		NODE_DATA(0)->node_mem_map = vmem_map +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 			find_min_pfn_with_active_regions();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		printk("Virtual mem_map starts at 0x%p\n", mem_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) #endif /* !CONFIG_VIRTUAL_MEM_MAP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	free_area_init(max_zone_pfns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }