Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Early cpufeature override framework
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2020 Google LLC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Author: Marc Zyngier <maz@kernel.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/libfdt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <asm/cacheflush.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <asm/cpufeature.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #define FTR_DESC_NAME_LEN	20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define FTR_DESC_FIELD_LEN	10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define FTR_ALIAS_NAME_LEN	30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define FTR_ALIAS_OPTION_LEN	80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) struct ftr_set_desc {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	char 				name[FTR_DESC_NAME_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	struct arm64_ftr_override	*override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 		char			name[FTR_DESC_FIELD_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		u8			shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	} 				fields[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static const struct ftr_set_desc mmfr1 __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	.name		= "id_aa64mmfr1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	.override	= &id_aa64mmfr1_override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	.fields		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	        { "vh", ID_AA64MMFR1_VHE_SHIFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 		{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) static const struct ftr_set_desc pfr1 __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	.name		= "id_aa64pfr1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	.override	= &id_aa64pfr1_override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	.fields		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	        { "bt", ID_AA64PFR1_BT_SHIFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		{ "mte", ID_AA64PFR1_MTE_SHIFT},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) static const struct ftr_set_desc isar1 __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	.name		= "id_aa64isar1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	.override	= &id_aa64isar1_override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	.fields		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	        { "gpi", ID_AA64ISAR1_GPI_SHIFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	        { "gpa", ID_AA64ISAR1_GPA_SHIFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	        { "api", ID_AA64ISAR1_API_SHIFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	        { "apa", ID_AA64ISAR1_APA_SHIFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) extern struct arm64_ftr_override kaslr_feature_override;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) static const struct ftr_set_desc kaslr __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	.name		= "kaslr",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) #ifdef CONFIG_RANDOMIZE_BASE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	.override	= &kaslr_feature_override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	.fields		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		{ "disabled", 0 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) static const struct ftr_set_desc * const regs[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	&mmfr1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	&pfr1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	&isar1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	&kaslr,
^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 const struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	char	alias[FTR_ALIAS_NAME_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	char	feature[FTR_ALIAS_OPTION_LEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) } aliases[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	{ "kvm-arm.mode=nvhe",		"id_aa64mmfr1.vh=0" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	{ "kvm-arm.mode=protected",	"id_aa64mmfr1.vh=0" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	{ "arm64.nobti",		"id_aa64pfr1.bt=0" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	{ "arm64.nopauth",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	  "id_aa64isar1.gpi=0 id_aa64isar1.gpa=0 "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	  "id_aa64isar1.api=0 id_aa64isar1.apa=0"	   },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	{ "arm64.nomte",		"id_aa64pfr1.mte=0" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	{ "nokaslr",			"kaslr.disabled=1" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) static int __init find_field(const char *cmdline,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 			     const struct ftr_set_desc *reg, int f, u64 *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	char opt[FTR_DESC_NAME_LEN + FTR_DESC_FIELD_LEN + 2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	len = snprintf(opt, ARRAY_SIZE(opt), "%s.%s=",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		       reg->name, reg->fields[f].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	if (!parameqn(cmdline, opt, len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	return kstrtou64(cmdline + len, 0, v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static void __init match_options(const char *cmdline)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 		int f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 		if (!regs[i]->override)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		for (f = 0; strlen(regs[i]->fields[f].name); f++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			u64 shift = regs[i]->fields[f].shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 			u64 mask = 0xfUL << shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 			u64 v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 			if (find_field(cmdline, regs[i], f, &v))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 			regs[i]->override->val  &= ~mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 			regs[i]->override->val  |= (v << shift) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 			regs[i]->override->mask |= mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static __init void __parse_cmdline(const char *cmdline, bool parse_aliases)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		char buf[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		cmdline = skip_spaces(cmdline);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		for (len = 0; cmdline[len] && !isspace(cmdline[len]); len++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		if (!len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		len = min(len, ARRAY_SIZE(buf) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		strncpy(buf, cmdline, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		buf[len] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		if (strcmp(buf, "--") == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		cmdline += len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		match_options(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		for (i = 0; parse_aliases && i < ARRAY_SIZE(aliases); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 			if (parameq(buf, aliases[i].alias))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 				__parse_cmdline(aliases[i].feature, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	} while (1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static __init const u8 *get_bootargs_cmdline(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	const u8 *prop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	void *fdt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	int node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	fdt = get_early_fdt_ptr();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	if (!fdt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	node = fdt_path_offset(fdt, "/chosen");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	if (node < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	prop = fdt_getprop(fdt, node, "bootargs", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	if (!prop)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	return strlen(prop) ? prop : NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static __init void parse_cmdline(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	const u8 *prop = get_bootargs_cmdline();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	    IS_ENABLED(CONFIG_CMDLINE_FORCE) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	    !prop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		__parse_cmdline(CONFIG_CMDLINE, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	if (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && prop)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		__parse_cmdline(prop, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) /* Keep checkers quiet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) void init_feature_override(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) asmlinkage void __init init_feature_override(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		if (regs[i]->override) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 			regs[i]->override->val  = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 			regs[i]->override->mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	parse_cmdline();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	for (i = 0; i < ARRAY_SIZE(regs); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		if (regs[i]->override)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			__flush_dcache_area(regs[i]->override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 					    sizeof(*regs[i]->override));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }