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) // Copyright (C) 2005-2017 Andes Technology Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #include <linux/elf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #include <linux/vmalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) #include <linux/moduleloader.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include <linux/pgtable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) void *module_alloc(unsigned long size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 	return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 				    GFP_KERNEL, PAGE_KERNEL, 0, NUMA_NO_NODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 				    __builtin_return_address(0));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) void module_free(struct module *module, void *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	vfree(region);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) int module_frob_arch_sections(Elf_Ehdr * hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 			      Elf_Shdr * sechdrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 			      char *secstrings, struct module *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) void do_reloc16(unsigned int val, unsigned int *loc, unsigned int val_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 		unsigned int val_shift, unsigned int loc_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 		unsigned int partial_in_place, unsigned int swap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	unsigned int tmp = 0, tmp2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	__asm__ __volatile__("\tlhi.bi\t%0, [%2], 0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 			     "\tbeqz\t%3, 1f\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 			     "\twsbh\t%0, %1\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 			     "1:\n":"=r"(tmp):"0"(tmp), "r"(loc), "r"(swap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	    );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	tmp2 = tmp & loc_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	if (partial_in_place) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 		tmp &= (~loc_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 		tmp =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		    tmp2 | ((tmp + ((val & val_mask) >> val_shift)) & val_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		tmp = tmp2 | ((val & val_mask) >> val_shift);
^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) 	__asm__ __volatile__("\tbeqz\t%3, 2f\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 			     "\twsbh\t%0, %1\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 			     "2:\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 			     "\tshi.bi\t%0, [%2], 0\n":"=r"(tmp):"0"(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 			     "r"(loc), "r"(swap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	    );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) void do_reloc32(unsigned int val, unsigned int *loc, unsigned int val_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		unsigned int val_shift, unsigned int loc_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		unsigned int partial_in_place, unsigned int swap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	unsigned int tmp = 0, tmp2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	__asm__ __volatile__("\tlmw.bi\t%0, [%2], %0, 0\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 			     "\tbeqz\t%3, 1f\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 			     "\twsbh\t%0, %1\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 			     "\trotri\t%0, %1, 16\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			     "1:\n":"=r"(tmp):"0"(tmp), "r"(loc), "r"(swap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	    );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	tmp2 = tmp & loc_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	if (partial_in_place) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		tmp &= (~loc_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		tmp =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		    tmp2 | ((tmp + ((val & val_mask) >> val_shift)) & val_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		tmp = tmp2 | ((val & val_mask) >> val_shift);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	__asm__ __volatile__("\tbeqz\t%3, 2f\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 			     "\twsbh\t%0, %1\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 			     "\trotri\t%0, %1, 16\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 			     "2:\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 			     "\tsmw.bi\t%0, [%2], %0, 0\n":"=r"(tmp):"0"(tmp),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 			     "r"(loc), "r"(swap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	    );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) static inline int exceed_limit(int offset, unsigned int val_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 			       struct module *module, Elf32_Rela * rel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 			       unsigned int relindex, unsigned int reloc_order)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	int abs_off = offset < 0 ? ~offset : offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (abs_off & (~val_mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		pr_err("\n%s: relocation type %d out of range.\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		       "please rebuild the kernel module with gcc option \"-Wa,-mno-small-text\".\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		       module->name, ELF32_R_TYPE(rel->r_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		pr_err("section %d reloc %d offset 0x%x relative 0x%x.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		       relindex, reloc_order, rel->r_offset, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #ifdef __NDS32_EL__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define NEED_SWAP 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define NEED_SWAP 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) apply_relocate_add(Elf32_Shdr * sechdrs, const char *strtab,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		   unsigned int symindex, unsigned int relindex,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		   struct module *module)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	Elf32_Shdr *symsec = sechdrs + symindex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	Elf32_Shdr *relsec = sechdrs + relindex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	Elf32_Shdr *dstsec = sechdrs + relsec->sh_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	Elf32_Rela *rel = (void *)relsec->sh_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rela); i++, rel++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		Elf32_Addr *loc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		Elf32_Sym *sym;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		Elf32_Addr v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		s32 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		offset = ELF32_R_SYM(rel->r_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		if (offset < 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		    || offset > (symsec->sh_size / sizeof(Elf32_Sym))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 			pr_err("%s: bad relocation\n", module->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			pr_err("section %d reloc %d\n", relindex, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 			return -ENOEXEC;
^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) 		sym = ((Elf32_Sym *) symsec->sh_addr) + offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		if (rel->r_offset < 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		    || rel->r_offset > dstsec->sh_size - sizeof(u16)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			pr_err("%s: out of bounds relocation\n", module->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 			pr_err("section %d reloc %d offset 0x%0x size %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			       relindex, i, rel->r_offset, dstsec->sh_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			return -ENOEXEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		loc = (Elf32_Addr *) (dstsec->sh_addr + rel->r_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		v = sym->st_value + rel->r_addend;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		switch (ELF32_R_TYPE(rel->r_info)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		case R_NDS32_NONE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		case R_NDS32_INSN16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		case R_NDS32_LABEL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		case R_NDS32_LONGCALL1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		case R_NDS32_LONGCALL2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		case R_NDS32_LONGCALL3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		case R_NDS32_LONGCALL4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		case R_NDS32_LONGJUMP1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		case R_NDS32_LONGJUMP2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		case R_NDS32_LONGJUMP3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		case R_NDS32_9_FIXED_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		case R_NDS32_15_FIXED_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		case R_NDS32_17_FIXED_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		case R_NDS32_25_FIXED_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		case R_NDS32_LOADSTORE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		case R_NDS32_DWARF2_OP1_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		case R_NDS32_DWARF2_OP2_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		case R_NDS32_DWARF2_LEB_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		case R_NDS32_RELA_NOP_MIX ... R_NDS32_RELA_NOP_MAX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		case R_NDS32_32_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 			do_reloc32(v, loc, 0xffffffff, 0, 0, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		case R_NDS32_HI20_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 			do_reloc32(v, loc, 0xfffff000, 12, 0xfff00000, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 				   NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		case R_NDS32_LO12S3_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 			do_reloc32(v, loc, 0x00000fff, 3, 0xfffff000, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 				   NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		case R_NDS32_LO12S2_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			do_reloc32(v, loc, 0x00000fff, 2, 0xfffff000, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 				   NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		case R_NDS32_LO12S1_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 			do_reloc32(v, loc, 0x00000fff, 1, 0xfffff000, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 				   NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		case R_NDS32_LO12S0_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		case R_NDS32_LO12S0_ORI_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 			do_reloc32(v, loc, 0x00000fff, 0, 0xfffff000, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 				   NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		case R_NDS32_9_PCREL_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 			if (exceed_limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 			    ((v - (Elf32_Addr) loc), 0x000000ff, module, rel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 			     relindex, i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 				return -ENOEXEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 			do_reloc16(v - (Elf32_Addr) loc, loc, 0x000001ff, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 				   0xffffff00, 0, NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		case R_NDS32_15_PCREL_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 			if (exceed_limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 			    ((v - (Elf32_Addr) loc), 0x00003fff, module, rel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 			     relindex, i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 				return -ENOEXEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 			do_reloc32(v - (Elf32_Addr) loc, loc, 0x00007fff, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 				   0xffffc000, 0, NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		case R_NDS32_17_PCREL_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 			if (exceed_limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 			    ((v - (Elf32_Addr) loc), 0x0000ffff, module, rel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			     relindex, i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 				return -ENOEXEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 			do_reloc32(v - (Elf32_Addr) loc, loc, 0x0001ffff, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 				   0xffff0000, 0, NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		case R_NDS32_25_PCREL_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 			if (exceed_limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 			    ((v - (Elf32_Addr) loc), 0x00ffffff, module, rel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 			     relindex, i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 				return -ENOEXEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 			do_reloc32(v - (Elf32_Addr) loc, loc, 0x01ffffff, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 				   0xff000000, 0, NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		case R_NDS32_WORD_9_PCREL_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 			if (exceed_limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 			    ((v - (Elf32_Addr) loc), 0x000000ff, module, rel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			     relindex, i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 				return -ENOEXEC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 			do_reloc32(v - (Elf32_Addr) loc, loc, 0x000001ff, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 				   0xffffff00, 0, NEED_SWAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		case R_NDS32_SDA15S3_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 		case R_NDS32_SDA15S2_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		case R_NDS32_SDA15S1_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		case R_NDS32_SDA15S0_RELA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 			pr_err("%s: unsupported relocation type %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 			       module->name, ELF32_R_TYPE(rel->r_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 			pr_err
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 			    ("Small data section access doesn't work in the kernel space; "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			     "please rebuild the kernel module with gcc option -mcmodel=large.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 			pr_err("section %d reloc %d offset 0x%x size %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			       relindex, i, rel->r_offset, dstsec->sh_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 			pr_err("%s: unsupported relocation type %d.\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 			       module->name, ELF32_R_TYPE(rel->r_info));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			pr_err("section %d reloc %d offset 0x%x size %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 			       relindex, i, rel->r_offset, dstsec->sh_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) module_finalize(const Elf32_Ehdr * hdr, const Elf_Shdr * sechdrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 		struct module *module)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) void module_arch_cleanup(struct module *mod)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }