From: Gabor Juhos <juhosg@openwrt.org>
Date: Fri, 18 May 2012 09:59:22 +0000 (+0000)
Subject: cobalt: remove 2.6.39 specific patches
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e3678eb33eb4ebd24b7a53194056b16d93341029;p=openwrt%2Fstaging%2Frmilecki.git

cobalt: remove 2.6.39 specific patches

SVN-Revision: 31785
---

diff --git a/target/linux/cobalt/patches-2.6.39/001-no_module_reloc.patch b/target/linux/cobalt/patches-2.6.39/001-no_module_reloc.patch
deleted file mode 100644
index f0e34cbea9f..00000000000
--- a/target/linux/cobalt/patches-2.6.39/001-no_module_reloc.patch
+++ /dev/null
@@ -1,370 +0,0 @@
---- a/arch/mips/include/asm/module.h
-+++ b/arch/mips/include/asm/module.h
-@@ -9,11 +9,6 @@ struct mod_arch_specific {
- 	struct list_head dbe_list;
- 	const struct exception_table_entry *dbe_start;
- 	const struct exception_table_entry *dbe_end;
--
--	void *phys_plt_tbl;
--	void *virt_plt_tbl;
--	unsigned int phys_plt_offset;
--	unsigned int virt_plt_offset;
- };
- 
- typedef uint8_t Elf64_Byte;		/* Type for a 8-bit quantity.  */
---- a/arch/mips/kernel/module.c
-+++ b/arch/mips/kernel/module.c
-@@ -45,117 +45,6 @@ static struct mips_hi16 *mips_hi16_list;
- static LIST_HEAD(dbe_list);
- static DEFINE_SPINLOCK(dbe_lock);
- 
--/*
-- * Get the potential max trampolines size required of the init and
-- * non-init sections. Only used if we cannot find enough contiguous
-- * physically mapped memory to put the module into.
-- */
--static unsigned int
--get_plt_size(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
--             const char *secstrings, unsigned int symindex, bool is_init)
--{
--	unsigned long ret = 0;
--	unsigned int i, j;
--	Elf_Sym *syms;
--
--	/* Everything marked ALLOC (this includes the exported symbols) */
--	for (i = 1; i < hdr->e_shnum; ++i) {
--		unsigned int info = sechdrs[i].sh_info;
--
--		if (sechdrs[i].sh_type != SHT_REL
--		    && sechdrs[i].sh_type != SHT_RELA)
--			continue;
--
--		/* Not a valid relocation section? */
--		if (info >= hdr->e_shnum)
--			continue;
--
--		/* Don't bother with non-allocated sections */
--		if (!(sechdrs[info].sh_flags & SHF_ALLOC))
--			continue;
--
--		/* If it's called *.init*, and we're not init, we're
--                   not interested */
--		if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0)
--		    != is_init)
--			continue;
--
--		syms = (Elf_Sym *) sechdrs[symindex].sh_addr;
--		if (sechdrs[i].sh_type == SHT_REL) {
--			Elf_Mips_Rel *rel = (void *) sechdrs[i].sh_addr;
--			unsigned int size = sechdrs[i].sh_size / sizeof(*rel);
--
--			for (j = 0; j < size; ++j) {
--				Elf_Sym *sym;
--
--				if (ELF_MIPS_R_TYPE(rel[j]) != R_MIPS_26)
--					continue;
--
--				sym = syms + ELF_MIPS_R_SYM(rel[j]);
--				if (!is_init && sym->st_shndx != SHN_UNDEF)
--					continue;
--
--				ret += 4 * sizeof(int);
--			}
--		} else {
--			Elf_Mips_Rela *rela = (void *) sechdrs[i].sh_addr;
--			unsigned int size = sechdrs[i].sh_size / sizeof(*rela);
--
--			for (j = 0; j < size; ++j) {
--				Elf_Sym *sym;
--
--				if (ELF_MIPS_R_TYPE(rela[j]) != R_MIPS_26)
--					continue;
--
--				sym = syms + ELF_MIPS_R_SYM(rela[j]);
--				if (!is_init && sym->st_shndx != SHN_UNDEF)
--					continue;
--
--				ret += 4 * sizeof(int);
--			}
--		}
--	}
--
--	return ret;
--}
--
--#ifndef MODULE_START
--static void *alloc_phys(unsigned long size)
--{
--	unsigned order;
--	struct page *page;
--	struct page *p;
--
--	size = PAGE_ALIGN(size);
--	order = get_order(size);
--
--	page = alloc_pages(GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN |
--			__GFP_THISNODE, order);
--	if (!page)
--		return NULL;
--
--	split_page(page, order);
--
--	for (p = page + (size >> PAGE_SHIFT); p < page + (1 << order); ++p)
--		__free_page(p);
--
--	return page_address(page);
--}
--#endif
--
--static void free_phys(void *ptr, unsigned long size)
--{
--	struct page *page;
--	struct page *end;
--
--	page = virt_to_page(ptr);
--	end = page + (PAGE_ALIGN(size) >> PAGE_SHIFT);
--
--	for (; page < end; ++page)
--		__free_page(page);
--}
--
--
- void *module_alloc(unsigned long size)
- {
- #ifdef MODULE_START
-@@ -163,99 +52,21 @@ void *module_alloc(unsigned long size)
- 				GFP_KERNEL, PAGE_KERNEL, -1,
- 				__builtin_return_address(0));
- #else
--	void *ptr;
--
- 	if (size == 0)
- 		return NULL;
--
--	ptr = alloc_phys(size);
--
--	/* If we failed to allocate physically contiguous memory,
--	 * fall back to regular vmalloc. The module loader code will
--	 * create jump tables to handle long jumps */
--	if (!ptr)
--		return vmalloc(size);
--
--	return ptr;
--#endif
--}
--
--static inline bool is_phys_addr(void *ptr)
--{
--#ifdef CONFIG_64BIT
--	return (KSEGX((unsigned long)ptr) == CKSEG0);
--#else
--	return (KSEGX(ptr) == KSEG0);
-+	return vmalloc(size);
- #endif
- }
- 
- /* Free memory returned from module_alloc */
- void module_free(struct module *mod, void *module_region)
- {
--	if (is_phys_addr(module_region)) {
--		if (mod->module_init == module_region)
--			free_phys(module_region, mod->init_size);
--		else if (mod->module_core == module_region)
--			free_phys(module_region, mod->core_size);
--		else
--			BUG();
--	} else {
--		vfree(module_region);
--	}
--}
--
--static void *__module_alloc(int size, bool phys)
--{
--	void *ptr;
--
--	if (phys)
--		ptr = kmalloc(size, GFP_KERNEL);
--	else
--		ptr = vmalloc(size);
--	return ptr;
--}
--
--static void __module_free(void *ptr)
--{
--	if (is_phys_addr(ptr))
--		kfree(ptr);
--	else
--		vfree(ptr);
-+	vfree(module_region);
- }
- 
- int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
- 			      char *secstrings, struct module *mod)
- {
--	unsigned int symindex = 0;
--	unsigned int core_size, init_size;
--	int i;
--
--	for (i = 1; i < hdr->e_shnum; i++)
--		if (sechdrs[i].sh_type == SHT_SYMTAB)
--			symindex = i;
--
--	core_size = get_plt_size(hdr, sechdrs, secstrings, symindex, false);
--	init_size = get_plt_size(hdr, sechdrs, secstrings, symindex, true);
--
--	mod->arch.phys_plt_offset = 0;
--	mod->arch.virt_plt_offset = 0;
--	mod->arch.phys_plt_tbl = NULL;
--	mod->arch.virt_plt_tbl = NULL;
--
--	if ((core_size + init_size) == 0)
--		return 0;
--
--	mod->arch.phys_plt_tbl = __module_alloc(core_size + init_size, 1);
--	if (!mod->arch.phys_plt_tbl)
--		return -ENOMEM;
--
--	mod->arch.virt_plt_tbl = __module_alloc(core_size + init_size, 0);
--	if (!mod->arch.virt_plt_tbl) {
--		__module_free(mod->arch.phys_plt_tbl);
--		mod->arch.phys_plt_tbl = NULL;
--		return -ENOMEM;
--	}
--
- 	return 0;
- }
- 
-@@ -278,36 +89,28 @@ static int apply_r_mips_32_rela(struct m
- 	return 0;
- }
- 
--static Elf_Addr add_plt_entry_to(unsigned *plt_offset,
--				 void *start, Elf_Addr v)
-+static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
- {
--	unsigned *tramp = start + *plt_offset;
--	*plt_offset += 4 * sizeof(int);
--
--	/* adjust carry for addiu */
--	if (v & 0x00008000)
--		v += 0x10000;
--
--	tramp[0] = 0x3c190000 | (v >> 16);      /* lui t9, hi16 */
--	tramp[1] = 0x27390000 | (v & 0xffff);   /* addiu t9, t9, lo16 */
--	tramp[2] = 0x03200008;                  /* jr t9 */
--	tramp[3] = 0x00000000;                  /* nop */
-+	if (v % 4) {
-+		pr_err("module %s: dangerous R_MIPS_26 REL relocation\n",
-+		       me->name);
-+		return -ENOEXEC;
-+	}
- 
--	return (Elf_Addr) tramp;
--}
-+	if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
-+		printk(KERN_ERR
-+		       "module %s: relocation overflow\n",
-+		       me->name);
-+		return -ENOEXEC;
-+	}
- 
--static Elf_Addr add_plt_entry(struct module *me, void *location, Elf_Addr v)
--{
--	if (is_phys_addr(location))
--		return add_plt_entry_to(&me->arch.phys_plt_offset,
--				me->arch.phys_plt_tbl, v);
--	else
--		return add_plt_entry_to(&me->arch.virt_plt_offset,
--				me->arch.virt_plt_tbl, v);
-+	*location = (*location & ~0x03ffffff) |
-+	            ((*location + (v >> 2)) & 0x03ffffff);
- 
-+	return 0;
- }
- 
--static int set_r_mips_26(struct module *me, u32 *location, u32 ofs, Elf_Addr v)
-+static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
- {
- 	if (v % 4) {
- 		pr_err("module %s: dangerous R_MIPS_26 RELArelocation\n",
-@@ -316,31 +119,17 @@ static int set_r_mips_26(struct module *
- 	}
- 
- 	if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
--	    v = add_plt_entry(me, location, v + (ofs << 2));
--		if (!v) {
--			printk(KERN_ERR
-+		printk(KERN_ERR
- 		       "module %s: relocation overflow\n",
- 		       me->name);
--			return -ENOEXEC;
--		}
--		ofs = 0;
-+		return -ENOEXEC;
- 	}
- 
--	*location = (*location & ~0x03ffffff) | ((ofs + (v >> 2)) & 0x03ffffff);
-+	*location = (*location & ~0x03ffffff) | ((v >> 2) & 0x03ffffff);
- 
- 	return 0;
- }
- 
--static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
--{
--	return set_r_mips_26(me, location, *location & 0x03ffffff, v);
--}
--
--static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
--{
--	return set_r_mips_26(me, location, 0, v);
--}
--
- static int apply_r_mips_hi16_rel(struct module *me, u32 *location, Elf_Addr v)
- {
- 	struct mips_hi16 *n;
-@@ -608,32 +397,11 @@ int module_finalize(const Elf_Ehdr *hdr,
- 		list_add(&me->arch.dbe_list, &dbe_list);
- 		spin_unlock_irq(&dbe_lock);
- 	}
--
--	/* Get rid of the fixup trampoline if we're running the module
--	 * from physically mapped address space */
--	if (me->arch.phys_plt_offset == 0) {
--		__module_free(me->arch.phys_plt_tbl);
--		me->arch.phys_plt_tbl = NULL;
--	}
--	if (me->arch.virt_plt_offset == 0) {
--		__module_free(me->arch.virt_plt_tbl);
--		me->arch.virt_plt_tbl = NULL;
--	}
--
- 	return 0;
- }
- 
- void module_arch_cleanup(struct module *mod)
- {
--	if (mod->arch.phys_plt_tbl) {
--		__module_free(mod->arch.phys_plt_tbl);
--		mod->arch.phys_plt_tbl = NULL;
--	}
--	if (mod->arch.virt_plt_tbl) {
--		__module_free(mod->arch.virt_plt_tbl);
--		mod->arch.virt_plt_tbl = NULL;
--	}
--
- 	spin_lock_irq(&dbe_lock);
- 	list_del(&mod->arch.dbe_list);
- 	spin_unlock_irq(&dbe_lock);
---- a/arch/mips/Makefile
-+++ b/arch/mips/Makefile
-@@ -90,8 +90,8 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
- cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
- cflags-y			+= -msoft-float
- LDFLAGS_vmlinux			+= -G 0 -static -n -nostdlib
--KBUILD_AFLAGS_MODULE		+= -mno-long-calls
--KBUILD_CFLAGS_MODULE		+= -mno-long-calls
-+KBUILD_AFLAGS_MODULE		+= -mlong-calls
-+KBUILD_CFLAGS_MODULE		+= -mlong-calls
- 
- cflags-y += -ffreestanding
-