diff options
| -rw-r--r-- | target/linux/cobalt/config-default | 205 | ||||
| -rw-r--r-- | target/linux/cobalt/patches-2.6.35/001-no_module_reloc.patch | 368 |
2 files changed, 474 insertions, 99 deletions
diff --git a/target/linux/cobalt/config-default b/target/linux/cobalt/config-default index 5c0630306..5c08a666b 100644 --- a/target/linux/cobalt/config-default +++ b/target/linux/cobalt/config-default @@ -1,24 +1,47 @@ # CONFIG_32BIT is not set +CONFIG_64BIT=y # CONFIG_ALCHEMY_GPIO_INDIRECT is not set # CONFIG_AR7 is not set # CONFIG_ARCH_HAS_ILOG2_U32 is not set # CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y # CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y # CONFIG_ARPD is not set +CONFIG_ATA=y # CONFIG_BCM47XX is not set # CONFIG_BCM63XX is not set +CONFIG_BINFMT_ELF32=y +CONFIG_BITREVERSE=y # CONFIG_BLK_DEV_INITRD is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_SD=y +CONFIG_BLOCK_COMPAT=y # CONFIG_BRIDGE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set # CONFIG_CAVIUM_OCTEON_SIMULATOR is not set +CONFIG_CEVT_GT641XX=y +CONFIG_CEVT_R4K=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_COMPAT=y +CONFIG_COMPAT_BRK=y +CONFIG_COMPAT_NETLINK_MESSAGES=y +CONFIG_CONSOLE_TRANSLATIONS=y # CONFIG_CPU_BIG_ENDIAN is not set # CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_CPU_HAS_SYNC=y +CONFIG_CPU_LITTLE_ENDIAN=y # CONFIG_CPU_LOONGSON2E is not set +# CONFIG_CPU_LOONGSON2F is not set # CONFIG_CPU_MIPS32_R1 is not set # CONFIG_CPU_MIPS32_R2 is not set # CONFIG_CPU_MIPS64_R1 is not set # CONFIG_CPU_MIPS64_R2 is not set +CONFIG_CPU_NEVADA=y # CONFIG_CPU_R10000 is not set # CONFIG_CPU_R3000 is not set # CONFIG_CPU_R4300 is not set @@ -31,113 +54,21 @@ # CONFIG_CPU_RM7000 is not set # CONFIG_CPU_RM9000 is not set # CONFIG_CPU_SB1 is not set +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y # CONFIG_CPU_TX39XX is not set # CONFIG_CPU_TX49XX is not set # CONFIG_CPU_VR41XX is not set -# CONFIG_DE4X5 is not set -# CONFIG_DM9000 is not set -# CONFIG_DM9102 is not set -# CONFIG_FIRMWARE_EDID is not set -# CONFIG_FRAMEBUFFER_CONSOLE is not set -# CONFIG_HAMRADIO is not set -# CONFIG_HIGH_RES_TIMERS is not set -# CONFIG_HW_RANDOM is not set -# CONFIG_HZ_100 is not set -# CONFIG_INPUT_YEALINK is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -# CONFIG_IP_MULTICAST is not set -# CONFIG_JFFS2_FS is not set -# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set -# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set -# CONFIG_LEDS_TRIGGER_TIMER is not set -# CONFIG_LOGO is not set -# CONFIG_MACH_ALCHEMY is not set -# CONFIG_MACH_DECSTATION is not set -# CONFIG_MACH_JAZZ is not set -# CONFIG_MACH_LOONGSON is not set -# CONFIG_MACH_TX39XX is not set -# CONFIG_MACH_TX49XX is not set -# CONFIG_MACH_VR41XX is not set -# CONFIG_MII is not set -# CONFIG_MIKROTIK_RB532 is not set -# CONFIG_MIPS_MACHINE is not set -# CONFIG_MIPS_MALTA is not set -# CONFIG_MIPS_MT_SMP is not set -# CONFIG_MIPS_MT_SMTC is not set -# CONFIG_MIPS_SIM is not set -# CONFIG_MISC_DEVICES is not set -# CONFIG_MTD_BLOCK is not set -# CONFIG_MTD_BLOCK_RO is not set -# CONFIG_MTD_CFI is not set -# CONFIG_MTD_CFI_INTELEXT is not set -# CONFIG_MTD_COMPLEX_MAPPINGS is not set -# CONFIG_NETDEV_1000 is not set -# CONFIG_NET_PCI is not set -# CONFIG_NO_IOPORT is not set -# CONFIG_NXP_STB220 is not set -# CONFIG_NXP_STB225 is not set -# CONFIG_PACKET_MMAP is not set -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_PCI=y -# CONFIG_PMC_MSP is not set -# CONFIG_PMC_YOSEMITE is not set -# CONFIG_PNX8550_JBS is not set -# CONFIG_PNX8550_STB810 is not set -# CONFIG_SCSI_LOWLEVEL is not set -# CONFIG_SCSI_MULTI_LUN is not set -# CONFIG_SERIAL_8250_EXTENDED is not set -# CONFIG_SGI_IP22 is not set -# CONFIG_SGI_IP27 is not set -# CONFIG_SGI_IP28 is not set -# CONFIG_SGI_IP32 is not set -# CONFIG_SIBYTE_BIGSUR is not set -# CONFIG_SIBYTE_CARMEL is not set -# CONFIG_SIBYTE_CRHINE is not set -# CONFIG_SIBYTE_CRHONE is not set -# CONFIG_SIBYTE_LITTLESUR is not set -# CONFIG_SIBYTE_RHONE is not set -# CONFIG_SIBYTE_SENTOSA is not set -# CONFIG_SIBYTE_SWARM is not set -# CONFIG_SLAB is not set -# CONFIG_TREE_PREEMPT_RCU is not set -# CONFIG_ULI526X is not set -# CONFIG_VGA_CONSOLE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_WATCHDOG is not set -# CONFIG_WINBOND_840 is not set -# CONFIG_WLAN_80211 is not set -CONFIG_64BIT=y -CONFIG_ARCH_HIBERNATION_POSSIBLE=y -CONFIG_ARCH_POPULATES_NODE_MAP=y -CONFIG_ARCH_SUPPORTS_OPROFILE=y -CONFIG_ARCH_SUSPEND_POSSIBLE=y -CONFIG_ATA=y -CONFIG_BINFMT_ELF32=y -CONFIG_BITREVERSE=y -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_SD=y -CONFIG_BLOCK_COMPAT=y -CONFIG_CEVT_GT641XX=y -CONFIG_CEVT_R4K=y -CONFIG_CEVT_R4K_LIB=y -CONFIG_CFG80211_DEFAULT_PS_VALUE=0 -CONFIG_COMPAT=y -CONFIG_COMPAT_BRK=y -CONFIG_COMPAT_NETLINK_MESSAGES=y -CONFIG_CONSOLE_TRANSLATIONS=y -CONFIG_CPU_HAS_SYNC=y -CONFIG_CPU_LITTLE_ENDIAN=y -CONFIG_CPU_NEVADA=y -CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y -CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y CONFIG_CSRC_R4K=y CONFIG_CSRC_R4K_LIB=y CONFIG_DE2104X=y CONFIG_DE2104X_DSL=0 +# CONFIG_DE4X5 is not set CONFIG_DECOMPRESS_LZMA=y CONFIG_DEVKMEM=y CONFIG_DEVPORT=y -CONFIG_DMA_NEED_PCI_MAP_STATE=y +# CONFIG_DM9000 is not set +# CONFIG_DM9102 is not set CONFIG_DMA_NONCOHERENT=y CONFIG_DNOTIFY=y CONFIG_DUMMY_CONSOLE=y @@ -146,6 +77,9 @@ CONFIG_ELF_CORE=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_FB=y CONFIG_FB_COBALT=y +# CONFIG_FB_SM7XX is not set +# CONFIG_FB_XGI is not set +# CONFIG_FIRMWARE_EDID is not set CONFIG_FIRMWARE_IN_KERNEL=y CONFIG_FS_POSIX_ACL=y CONFIG_GENERIC_ACL=y @@ -155,19 +89,28 @@ CONFIG_GENERIC_CMOS_UPDATE=y CONFIG_GENERIC_FIND_LAST_BIT=y CONFIG_GENERIC_FIND_NEXT_BIT=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +# CONFIG_HAMRADIO is not set CONFIG_HAS_DMA=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_HAVE_IDE=y CONFIG_HAVE_OPROFILE=y CONFIG_HAVE_SYSCALL_WRAPPERS=y CONFIG_HID=m CONFIG_HID_SUPPORT=y +# CONFIG_HIGH_RES_TIMERS is not set CONFIG_HW_CONSOLE=y CONFIG_HW_HAS_PCI=y +# CONFIG_HW_RANDOM is not set CONFIG_HZ=250 +# CONFIG_HZ_100 is not set CONFIG_HZ_250=y CONFIG_I8253=y CONFIG_I8259=y @@ -177,31 +120,72 @@ CONFIG_INPUT=y CONFIG_INPUT_COBALT_BTNS=y CONFIG_INPUT_EVDEV=y CONFIG_INPUT_POLLDEV=y +# CONFIG_IP_ADVANCED_ROUTER is not set +# CONFIG_IP_MULTICAST is not set CONFIG_IRQ_CPU=y CONFIG_IRQ_GT641XX=y +# CONFIG_JFFS2_FS is not set CONFIG_KEXEC=y CONFIG_LEDS_COBALT_QUBE=y CONFIG_LEDS_COBALT_RAQ=y +# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set +# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set +# CONFIG_LEDS_TRIGGER_TIMER is not set CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 +# CONFIG_LOONGSON_MC146818 is not set +CONFIG_LOONGSON_UART_BASE=y +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_MACH_LOONGSON is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_MII is not set +# CONFIG_MIKROTIK_RB532 is not set +CONFIG_MIPS=y CONFIG_MIPS32_COMPAT=y CONFIG_MIPS32_N32=y CONFIG_MIPS32_O32=y -CONFIG_MIPS=y CONFIG_MIPS_COBALT=y +CONFIG_MIPS_EXTERNAL_TIMER=y CONFIG_MIPS_L1_CACHE_SHIFT=5 +# CONFIG_MIPS_MACHINE is not set +# CONFIG_MIPS_MALTA is not set CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +# CONFIG_MIPS_SIM is not set +# CONFIG_MISC_DEVICES is not set +# CONFIG_MTD_BLOCK is not set +# CONFIG_MTD_BLOCK_RO is not set +# CONFIG_MTD_CFI is not set +# CONFIG_MTD_CFI_INTELEXT is not set +# CONFIG_MTD_COMPLEX_MAPPINGS is not set CONFIG_MTD_JEDECPROBE=y CONFIG_MTD_PHYSMAP=y +CONFIG_NEED_DMA_MAP_STATE=y +# CONFIG_NETDEV_1000 is not set +# CONFIG_NET_PCI is not set CONFIG_NET_TULIP=y +# CONFIG_NO_IOPORT is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set CONFIG_PAGEFLAGS_EXTENDED=y +# CONFIG_PARTITION_ADVANCED is not set CONFIG_PATA_VIA=y +CONFIG_PCI=y CONFIG_PCI_DISABLE_COMMON_QUIRKS=y CONFIG_PCI_DOMAINS=y CONFIG_PCI_GT64XXX_PCI0=y -CONFIG_PCI_LEGACY=y CONFIG_PCSPKR_PLATFORM=y CONFIG_PHYS_ADDR_T_64BIT=y +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +# CONFIG_POWERTV is not set CONFIG_PROC_PAGE_MONITOR=y CONFIG_RAID_ATTRS=y CONFIG_RELAY=y @@ -210,9 +194,26 @@ CONFIG_RTC_INTF_DEV_UIE_EMUL=y CONFIG_SATA_PMP=y CONFIG_SCHED_OMIT_FRAME_POINTER=y CONFIG_SCSI=y +# CONFIG_SCSI_LOWLEVEL is not set +CONFIG_SCSI_MOD=y +# CONFIG_SCSI_MULTI_LUN is not set CONFIG_SECCOMP=y +# CONFIG_SERIAL_8250_EXTENDED is not set CONFIG_SERIAL_8250_NR_UARTS=4 CONFIG_SERIAL_8250_RUNTIME_UARTS=4 +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_SWARM is not set +# CONFIG_SLAB is not set CONFIG_SLUB=y CONFIG_SYSVIPC_COMPAT=y CONFIG_SYS_HAS_CPU_NEVADA=y @@ -221,6 +222,7 @@ CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y CONFIG_SYS_SUPPORTS_ARBIT_HZ=y CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y +# CONFIG_TINY_RCU is not set CONFIG_TMPFS_POSIX_ACL=y CONFIG_TREE_RCU=y CONFIG_TULIP=y @@ -228,9 +230,14 @@ CONFIG_TULIP_MMIO=y CONFIG_TULIP_MWI=y CONFIG_TULIP_NAPI=y CONFIG_TULIP_NAPI_HW_MITIGATION=y +# CONFIG_ULI526X is not set CONFIG_USB_SUPPORT=y +# CONFIG_VGA_CONSOLE is not set +# CONFIG_VLAN_8021Q is not set CONFIG_VM_EVENT_COUNTERS=y CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_VT_HW_CONSOLE_BINDING=y +# CONFIG_WATCHDOG is not set +# CONFIG_WINBOND_840 is not set CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/cobalt/patches-2.6.35/001-no_module_reloc.patch b/target/linux/cobalt/patches-2.6.35/001-no_module_reloc.patch new file mode 100644 index 000000000..3b1f12427 --- /dev/null +++ b/target/linux/cobalt/patches-2.6.35/001-no_module_reloc.patch @@ -0,0 +1,368 @@ +--- a/arch/mips/Makefile ++++ b/arch/mips/Makefile +@@ -85,7 +85,7 @@ all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64 + cflags-y += -G 0 -mno-abicalls -fno-pic -pipe + cflags-y += -msoft-float + LDFLAGS_vmlinux += -G 0 -static -n -nostdlib +-MODFLAGS += -mno-long-calls ++MODFLAGS += -mlong-calls + + cflags-y += -ffreestanding + +--- 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 +@@ -43,117 +43,6 @@ 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 +@@ -169,99 +58,21 @@ void *module_alloc(unsigned long size) + + return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL); + #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; + } + +@@ -284,36 +95,28 @@ 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", +@@ -322,31 +125,17 @@ 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; +@@ -611,32 +400,11 @@ 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); |