From 37efe6427dd50e889473fb3c7fcec02dbbd098eb Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 1 Dec 2008 11:53:07 +0000 Subject: [PATCH] [ARM] use asm/sections.h Update to use the asm/sections.h header rather than declaring these symbols ourselves. Change __data_start to _data to conform with the naming found within asm/sections.h. Signed-off-by: Russell King --- arch/arm/kernel/head-common.S | 2 +- arch/arm/kernel/module.c | 4 ++-- arch/arm/kernel/setup.c | 18 +++++++++--------- arch/arm/kernel/vmlinux.lds.S | 2 +- arch/arm/mm/init.c | 13 +++++++------ arch/arm/mm/mm.h | 2 -- arch/arm/mm/mmu.c | 9 +++++---- arch/arm/mm/nommu.c | 5 +++-- 8 files changed, 28 insertions(+), 27 deletions(-) diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S index bde52df1c668..991952c644d1 100644 --- a/arch/arm/kernel/head-common.S +++ b/arch/arm/kernel/head-common.S @@ -18,7 +18,7 @@ __switch_data: .long __mmap_switched .long __data_loc @ r4 - .long __data_start @ r5 + .long _data @ r5 .long __bss_start @ r6 .long _end @ r7 .long processor_id @ r4 diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index b8d965dcd6fd..dab48f27263f 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -21,6 +21,7 @@ #include #include +#include #ifdef CONFIG_XIP_KERNEL /* @@ -29,9 +30,8 @@ * MODULES_VADDR is redefined here and not in asm/memory.h to avoid * recompiling the whole kernel when CONFIG_XIP_KERNEL is turned on/off. */ -extern void _etext; #undef MODULES_VADDR -#define MODULES_VADDR (((unsigned long)&_etext + ~PGDIR_MASK) & PGDIR_MASK) +#define MODULES_VADDR (((unsigned long)_etext + ~PGDIR_MASK) & PGDIR_MASK) #endif #ifdef CONFIG_MMU diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 4f6ae06d0855..7049815d66d5 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -61,7 +62,6 @@ __setup("fpe=", fpe_setup); extern void paging_init(struct machine_desc *desc); extern void reboot_setup(char *str); -extern void _text, _etext, __data_start, _edata, _end; unsigned int processor_id; EXPORT_SYMBOL(processor_id); @@ -484,10 +484,10 @@ request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc) struct resource *res; int i; - kernel_code.start = virt_to_phys(&_text); - kernel_code.end = virt_to_phys(&_etext - 1); - kernel_data.start = virt_to_phys(&__data_start); - kernel_data.end = virt_to_phys(&_end - 1); + kernel_code.start = virt_to_phys(_text); + kernel_code.end = virt_to_phys(_etext - 1); + kernel_data.start = virt_to_phys(_data); + kernel_data.end = virt_to_phys(_end - 1); for (i = 0; i < mi->nr_banks; i++) { if (mi->bank[i].size == 0) @@ -715,10 +715,10 @@ void __init setup_arch(char **cmdline_p) parse_tags(tags); } - init_mm.start_code = (unsigned long) &_text; - init_mm.end_code = (unsigned long) &_etext; - init_mm.end_data = (unsigned long) &_edata; - init_mm.brk = (unsigned long) &_end; + init_mm.start_code = (unsigned long) _text; + init_mm.end_code = (unsigned long) _etext; + init_mm.end_data = (unsigned long) _edata; + init_mm.brk = (unsigned long) _end; memcpy(boot_command_line, from, COMMAND_LINE_SIZE); boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 4898bdcfe7dd..00216071eaf7 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -119,7 +119,7 @@ SECTIONS #endif .data : AT(__data_loc) { - __data_start = .; /* address in memory */ + _data = .; /* address in memory */ /* * first, the init task union, aligned diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index ab5c9abd5c34..34df4d9d03a6 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -17,6 +17,7 @@ #include #include +#include #include #include #include @@ -129,7 +130,7 @@ find_bootmap_pfn(int node, struct meminfo *mi, unsigned int bootmap_pages) { unsigned int start_pfn, i, bootmap_pfn; - start_pfn = PAGE_ALIGN(__pa(&_end)) >> PAGE_SHIFT; + start_pfn = PAGE_ALIGN(__pa(_end)) >> PAGE_SHIFT; bootmap_pfn = 0; for_each_nodebank(i, mi, node) { @@ -515,9 +516,9 @@ void __init mem_init(void) } printk(" = %luMB total\n", num_physpages >> (20 - PAGE_SHIFT)); - codesize = &_etext - &_text; - datasize = &_end - &__data_start; - initsize = &__init_end - &__init_begin; + codesize = _etext - _text; + datasize = _end - _data; + initsize = __init_end - __init_begin; printk(KERN_NOTICE "Memory: %luKB available (%dK code, " "%dK data, %dK init)\n", @@ -538,8 +539,8 @@ void __init mem_init(void) void free_initmem(void) { if (!machine_is_integrator() && !machine_is_cintegrator()) - totalram_pages += free_area(__phys_to_pfn(__pa(&__init_begin)), - __phys_to_pfn(__pa(&__init_end)), + totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)), + __phys_to_pfn(__pa(__init_end)), "init"); } diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 94367bdbb5a8..95bbe112965e 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -34,5 +34,3 @@ struct pglist_data; void __init create_mapping(struct map_desc *md); void __init bootmem_init(void); void reserve_node_zero(struct pglist_data *pgdat); - -extern void _text, _stext, _etext, __data_start, _end, __init_begin, __init_end; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index c0b9a78d7b87..2ab5f962a053 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -17,6 +17,7 @@ #include #include +#include #include #include #include @@ -730,7 +731,7 @@ static inline void prepare_page_table(void) #ifdef CONFIG_XIP_KERNEL /* The XIP kernel is mapped in the module area -- skip over it */ - addr = ((unsigned long)&_etext + PGDIR_SIZE - 1) & PGDIR_MASK; + addr = ((unsigned long)_etext + PGDIR_SIZE - 1) & PGDIR_MASK; #endif for ( ; addr < PAGE_OFFSET; addr += PGDIR_SIZE) pmd_clear(pmd_off_k(addr)); @@ -756,10 +757,10 @@ void __init reserve_node_zero(pg_data_t *pgdat) * Note that this can only be in node 0. */ #ifdef CONFIG_XIP_KERNEL - reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start, + reserve_bootmem_node(pgdat, __pa(_data), _end - _data, BOOTMEM_DEFAULT); #else - reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext, + reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext, BOOTMEM_DEFAULT); #endif @@ -838,7 +839,7 @@ static void __init devicemaps_init(struct machine_desc *mdesc) #ifdef CONFIG_XIP_KERNEL map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK); map.virtual = MODULES_VADDR; - map.length = ((unsigned long)&_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK; + map.length = ((unsigned long)_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK; map.type = MT_ROM; create_mapping(&map); #endif diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index c085f4e8248b..ad7bacc693b2 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -10,6 +10,7 @@ #include #include +#include #include #include @@ -25,10 +26,10 @@ void __init reserve_node_zero(pg_data_t *pgdat) * Note that this can only be in node 0. */ #ifdef CONFIG_XIP_KERNEL - reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start, + reserve_bootmem_node(pgdat, __pa(_data), _end - _data, BOOTMEM_DEFAULT); #else - reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext, + reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext, BOOTMEM_DEFAULT); #endif