[kernel] make 64-bits MIPS kernel compile again on arch/mips/kernel/module.c
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17147 3c298f89-4303-0410-b956-a3cf2f4a3e73master
Florian Fainelli
parent
25a843cb1d
commit
e52728c0b8
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@ -1,6 +1,8 @@
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--- a/arch/mips/Makefile
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+++ b/arch/mips/Makefile
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@@ -83,7 +83,7 @@ all-$(CONFIG_BOOT_ELF64) := $(vmlinux-64
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Index: linux-2.6.30.4/arch/mips/Makefile
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===================================================================
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--- linux-2.6.30.4.orig/arch/mips/Makefile 2009-08-06 16:02:25.000000000 +0200
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+++ linux-2.6.30.4/arch/mips/Makefile 2009-08-06 16:02:37.000000000 +0200
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@@ -83,7 +83,7 @@
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cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
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cflags-y += -msoft-float
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LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
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@ -9,9 +11,11 @@
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cflags-y += -ffreestanding
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--- a/arch/mips/include/asm/module.h
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+++ b/arch/mips/include/asm/module.h
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@@ -9,6 +9,11 @@ struct mod_arch_specific {
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Index: linux-2.6.30.4/arch/mips/include/asm/module.h
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===================================================================
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--- linux-2.6.30.4.orig/arch/mips/include/asm/module.h 2009-08-06 16:02:25.000000000 +0200
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+++ linux-2.6.30.4/arch/mips/include/asm/module.h 2009-08-06 16:02:37.000000000 +0200
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@@ -9,6 +9,11 @@
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struct list_head dbe_list;
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const struct exception_table_entry *dbe_start;
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const struct exception_table_entry *dbe_end;
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@ -23,9 +27,11 @@
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};
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typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
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--- a/arch/mips/kernel/module.c
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+++ b/arch/mips/kernel/module.c
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@@ -43,6 +43,114 @@ static struct mips_hi16 *mips_hi16_list;
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Index: linux-2.6.30.4/arch/mips/kernel/module.c
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===================================================================
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--- linux-2.6.30.4.orig/arch/mips/kernel/module.c 2009-08-06 16:02:36.000000000 +0200
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+++ linux-2.6.30.4/arch/mips/kernel/module.c 2009-08-06 16:03:15.000000000 +0200
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@@ -43,6 +43,116 @@
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static LIST_HEAD(dbe_list);
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static DEFINE_SPINLOCK(dbe_lock);
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@ -35,7 +41,7 @@
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+ * physically mapped memory to put the module into.
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+ */
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+static unsigned int
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+get_plt_size(const Elf32_Ehdr *hdr, const Elf32_Shdr *sechdrs,
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+get_plt_size(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
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+ const char *secstrings, unsigned int symindex, bool is_init)
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+{
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+ unsigned long ret = 0;
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@ -103,6 +109,7 @@
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+ return ret;
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+}
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+
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+#ifndef MODULE_START
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+static void *alloc_phys(unsigned long size)
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+{
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+ unsigned order;
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@ -124,6 +131,7 @@
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+
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+ return page_address(page);
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+}
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+#endif
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+
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+static void free_phys(void *ptr, unsigned long size)
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+{
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@ -140,7 +148,7 @@
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void *module_alloc(unsigned long size)
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{
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#ifdef MODULE_START
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@@ -58,16 +166,41 @@ void *module_alloc(unsigned long size)
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@@ -58,16 +168,45 @@
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return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL);
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#else
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@ -159,14 +167,18 @@
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+ return vmalloc(size);
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+
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+ return ptr;
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+#endif
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+}
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+
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+static inline bool is_phys_addr(void *ptr)
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+{
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+#ifdef CONFIG_64BIT
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+ return (KSEGX((unsigned long)ptr) == CKSEG0);
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+#else
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+ return (KSEGX(ptr) == KSEG0);
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#endif
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}
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+static inline bool is_phys_addr(void *ptr)
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+{
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+ return (KSEGX(ptr) == KSEG0);
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+}
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+
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/* Free memory returned from module_alloc */
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void module_free(struct module *mod, void *module_region)
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{
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@ -184,7 +196,7 @@
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/* FIXME: If module_region == mod->init_region, trim exception
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table entries. */
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}
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@@ -75,6 +208,24 @@ void module_free(struct module *mod, voi
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@@ -75,6 +214,24 @@
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int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
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char *secstrings, struct module *mod)
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{
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@ -209,7 +221,7 @@
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return 0;
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}
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@@ -97,27 +248,41 @@ static int apply_r_mips_32_rela(struct m
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@@ -97,27 +254,41 @@
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return 0;
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}
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@ -234,14 +246,14 @@
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+ /* adjust carry for addiu */
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+ if (v & 0x00008000)
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+ v += 0x10000;
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- *location = (*location & ~0x03ffffff) |
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- ((*location + (v >> 2)) & 0x03ffffff);
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+
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+ tramp[0] = 0x3c190000 | (v >> 16); /* lui t9, hi16 */
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+ tramp[1] = 0x27390000 | (v & 0xffff); /* addiu t9, t9, lo16 */
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+ tramp[2] = 0x03200008; /* jr t9 */
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+ tramp[3] = 0x00000000; /* nop */
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+
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- *location = (*location & ~0x03ffffff) |
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- ((*location + (v >> 2)) & 0x03ffffff);
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+ return (Elf_Addr) tramp;
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+}
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+
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@ -265,7 +277,7 @@
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{
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if (v % 4) {
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printk(KERN_ERR "module %s: dangerous relocation\n", me->name);
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@@ -125,17 +290,31 @@ static int apply_r_mips_26_rela(struct m
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@@ -125,17 +296,31 @@
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}
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if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
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@ -300,7 +312,7 @@
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static int apply_r_mips_hi16_rel(struct module *me, u32 *location, Elf_Addr v)
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{
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struct mips_hi16 *n;
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@@ -400,11 +579,23 @@ int module_finalize(const Elf_Ehdr *hdr,
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@@ -400,11 +585,23 @@
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list_add(&me->arch.dbe_list, &dbe_list);
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spin_unlock_irq(&dbe_lock);
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}
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