diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S index 88e8db3979da..39b1fb470a0a 100644 --- a/arch/arm/kernel/vmlinux-xip.lds.S +++ b/arch/arm/kernel/vmlinux-xip.lds.S @@ -179,7 +179,7 @@ SECTIONS *(.taglist.init) __tagtable_end = .; } - .init.data : { + .init.rodata : { INIT_SETUP(16) INIT_CALLS CON_INITCALL @@ -187,48 +187,46 @@ SECTIONS INIT_RAM_FS } + _exiprom = .; /* End of XIP ROM area */ + +/* + * From this point, stuff is considered writable and will be copied to RAM + */ + __data_loc = ALIGN(4); /* location in file */ + . = PAGE_OFFSET + TEXT_OFFSET; /* location in memory */ +#undef LOAD_OFFSET +#define LOAD_OFFSET (PAGE_OFFSET + TEXT_OFFSET - __data_loc) + + . = ALIGN(THREAD_SIZE); + _sdata = .; + RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE) + .data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) { + *(.data..ro_after_init) + } + _edata = .; + + . = ALIGN(PAGE_SIZE); + __init_begin = .; + .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { + INIT_DATA + } + .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { + ARM_EXIT_KEEP(EXIT_DATA) + } #ifdef CONFIG_SMP PERCPU_SECTION(L1_CACHE_BYTES) #endif - _exiprom = .; /* End of XIP ROM area */ - __data_loc = ALIGN(4); /* location in binary */ - . = PAGE_OFFSET + TEXT_OFFSET; + /* + * End of copied data. We need a dummy section to get its LMA. + * Also located before final ALIGN() as trailing padding is not stored + * in the resulting binary file and useless to copy. + */ + .data.endmark : AT(ADDR(.data.endmark) - LOAD_OFFSET) { } + _edata_loc = LOADADDR(.data.endmark); - .data : AT(__data_loc) { - _data = .; /* address in memory */ - _sdata = .; - - /* - * first, the init task union, aligned - * to an 8192 byte boundary. - */ - INIT_TASK_DATA(THREAD_SIZE) - - . = ALIGN(PAGE_SIZE); - __init_begin = .; - INIT_DATA - ARM_EXIT_KEEP(EXIT_DATA) - . = ALIGN(PAGE_SIZE); - __init_end = .; - - *(.data..ro_after_init) - - NOSAVE_DATA - CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) - READ_MOSTLY_DATA(L1_CACHE_BYTES) - - /* - * and the usual data section - */ - DATA_DATA - CONSTRUCTORS - - _edata = .; - } - _edata_loc = __data_loc + SIZEOF(.data); - - BUG_TABLE + . = ALIGN(PAGE_SIZE); + __init_end = .; #ifdef CONFIG_HAVE_TCM /*