diff options
author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
---|---|---|
committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/sparc/kernel/module.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/kernel/module.c')
-rw-r--r-- | ANDROID_3.4.5/arch/sparc/kernel/module.c | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/kernel/module.c b/ANDROID_3.4.5/arch/sparc/kernel/module.c deleted file mode 100644 index 276359e1..00000000 --- a/ANDROID_3.4.5/arch/sparc/kernel/module.c +++ /dev/null @@ -1,253 +0,0 @@ -/* Kernel module help for sparc64. - * - * Copyright (C) 2001 Rusty Russell. - * Copyright (C) 2002 David S. Miller. - */ - -#include <linux/moduleloader.h> -#include <linux/kernel.h> -#include <linux/elf.h> -#include <linux/vmalloc.h> -#include <linux/fs.h> -#include <linux/gfp.h> -#include <linux/string.h> -#include <linux/ctype.h> -#include <linux/mm.h> - -#include <asm/processor.h> -#include <asm/spitfire.h> -#include <asm/cacheflush.h> - -#include "entry.h" - -#ifdef CONFIG_SPARC64 - -#include <linux/jump_label.h> - -static void *module_map(unsigned long size) -{ - if (PAGE_ALIGN(size) > MODULES_LEN) - return NULL; - return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, - GFP_KERNEL, PAGE_KERNEL, -1, - __builtin_return_address(0)); -} - -static char *dot2underscore(char *name) -{ - return name; -} -#else -static void *module_map(unsigned long size) -{ - return vmalloc(size); -} - -/* Replace references to .func with _Func */ -static char *dot2underscore(char *name) -{ - if (name[0] == '.') { - name[0] = '_'; - name[1] = toupper(name[1]); - } - return name; -} -#endif /* CONFIG_SPARC64 */ - -void *module_alloc(unsigned long size) -{ - void *ret; - - /* We handle the zero case fine, unlike vmalloc */ - if (size == 0) - return NULL; - - ret = module_map(size); - if (!ret) - ret = ERR_PTR(-ENOMEM); - else - memset(ret, 0, size); - - return ret; -} - -/* Make generic code ignore STT_REGISTER dummy undefined symbols. */ -int module_frob_arch_sections(Elf_Ehdr *hdr, - Elf_Shdr *sechdrs, - char *secstrings, - struct module *mod) -{ - unsigned int symidx; - Elf_Sym *sym; - char *strtab; - int i; - - for (symidx = 0; sechdrs[symidx].sh_type != SHT_SYMTAB; symidx++) { - if (symidx == hdr->e_shnum-1) { - printk("%s: no symtab found.\n", mod->name); - return -ENOEXEC; - } - } - sym = (Elf_Sym *)sechdrs[symidx].sh_addr; - strtab = (char *)sechdrs[sechdrs[symidx].sh_link].sh_addr; - - for (i = 1; i < sechdrs[symidx].sh_size / sizeof(Elf_Sym); i++) { - if (sym[i].st_shndx == SHN_UNDEF) { - if (ELF_ST_TYPE(sym[i].st_info) == STT_REGISTER) { - sym[i].st_shndx = SHN_ABS; - } else { - char *name = strtab + sym[i].st_name; - dot2underscore(name); - } - } - } - return 0; -} - -int apply_relocate_add(Elf_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - unsigned int i; - Elf_Rela *rel = (void *)sechdrs[relsec].sh_addr; - Elf_Sym *sym; - u8 *location; - u32 *loc32; - - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - Elf_Addr v; - - /* This is where to make the change */ - location = (u8 *)sechdrs[sechdrs[relsec].sh_info].sh_addr - + rel[i].r_offset; - loc32 = (u32 *) location; - -#ifdef CONFIG_SPARC64 - BUG_ON(((u64)location >> (u64)32) != (u64)0); -#endif /* CONFIG_SPARC64 */ - - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf_Sym *)sechdrs[symindex].sh_addr - + ELF_R_SYM(rel[i].r_info); - v = sym->st_value + rel[i].r_addend; - - switch (ELF_R_TYPE(rel[i].r_info) & 0xff) { -#ifdef CONFIG_SPARC64 - case R_SPARC_64: - location[0] = v >> 56; - location[1] = v >> 48; - location[2] = v >> 40; - location[3] = v >> 32; - location[4] = v >> 24; - location[5] = v >> 16; - location[6] = v >> 8; - location[7] = v >> 0; - break; - - case R_SPARC_DISP32: - v -= (Elf_Addr) location; - *loc32 = v; - break; - - case R_SPARC_WDISP19: - v -= (Elf_Addr) location; - *loc32 = (*loc32 & ~0x7ffff) | - ((v >> 2) & 0x7ffff); - break; - - case R_SPARC_OLO10: - *loc32 = (*loc32 & ~0x1fff) | - (((v & 0x3ff) + - (ELF_R_TYPE(rel[i].r_info) >> 8)) - & 0x1fff); - break; -#endif /* CONFIG_SPARC64 */ - - case R_SPARC_32: - case R_SPARC_UA32: - location[0] = v >> 24; - location[1] = v >> 16; - location[2] = v >> 8; - location[3] = v >> 0; - break; - - case R_SPARC_WDISP30: - v -= (Elf_Addr) location; - *loc32 = (*loc32 & ~0x3fffffff) | - ((v >> 2) & 0x3fffffff); - break; - - case R_SPARC_WDISP22: - v -= (Elf_Addr) location; - *loc32 = (*loc32 & ~0x3fffff) | - ((v >> 2) & 0x3fffff); - break; - - case R_SPARC_LO10: - *loc32 = (*loc32 & ~0x3ff) | (v & 0x3ff); - break; - - case R_SPARC_HI22: - *loc32 = (*loc32 & ~0x3fffff) | - ((v >> 10) & 0x3fffff); - break; - - default: - printk(KERN_ERR "module %s: Unknown relocation: %x\n", - me->name, - (int) (ELF_R_TYPE(rel[i].r_info) & 0xff)); - return -ENOEXEC; - } - } - return 0; -} - -#ifdef CONFIG_SPARC64 -static void do_patch_sections(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs) -{ - const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL; - char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; - - for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) { - if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name)) - sun4v_1insn = s; - if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name)) - sun4v_2insn = s; - } - - if (sun4v_1insn && tlb_type == hypervisor) { - void *p = (void *) sun4v_1insn->sh_addr; - sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size); - } - if (sun4v_2insn && tlb_type == hypervisor) { - void *p = (void *) sun4v_2insn->sh_addr; - sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size); - } -} - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *me) -{ - /* make jump label nops */ - jump_label_apply_nops(me); - - do_patch_sections(hdr, sechdrs); - - /* Cheetah's I-cache is fully coherent. */ - if (tlb_type == spitfire) { - unsigned long va; - - flushw_all(); - for (va = 0; va < (PAGE_SIZE << 1); va += 32) - spitfire_put_icache_tag(va, 0x0); - __asm__ __volatile__("flush %g6"); - } - - return 0; -} -#endif /* CONFIG_SPARC64 */ |