From 86ed40bd6fe511d26bb8f3fa65a84cb65c235366 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sat, 27 Dec 2008 00:35:12 -0800 Subject: [PATCH] sparc: unify sections.h While doing this use standard names for start/end so we could use definitions straight from asm-generic for all the typical symbols. This also allowed us to drop the use of PROVIDE in the linker script so sprc is less non-standard on this area. Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller --- arch/sparc/include/asm/sections.h | 16 +++++++++------- arch/sparc/include/asm/sections_32.h | 6 ------ arch/sparc/include/asm/sections_64.h | 9 --------- arch/sparc/kernel/head_32.S | 2 +- arch/sparc/kernel/vmlinux.lds.S | 3 --- arch/sparc/mm/init_32.c | 14 +++++++------- arch/sparc/mm/sun4c.c | 4 ++-- 7 files changed, 19 insertions(+), 35 deletions(-) delete mode 100644 arch/sparc/include/asm/sections_32.h delete mode 100644 arch/sparc/include/asm/sections_64.h diff --git a/arch/sparc/include/asm/sections.h b/arch/sparc/include/asm/sections.h index c7c69b00967..0b0553bbd8a 100644 --- a/arch/sparc/include/asm/sections.h +++ b/arch/sparc/include/asm/sections.h @@ -1,8 +1,10 @@ -#ifndef ___ASM_SPARC_SECTIONS_H -#define ___ASM_SPARC_SECTIONS_H -#if defined(__sparc__) && defined(__arch64__) -#include -#else -#include -#endif +#ifndef __SPARC_SECTIONS_H +#define __SPARC_SECTIONS_H + +/* nothing to see, move along */ +#include + +/* sparc entry point */ +extern char _start[]; + #endif diff --git a/arch/sparc/include/asm/sections_32.h b/arch/sparc/include/asm/sections_32.h deleted file mode 100644 index 6832841df05..00000000000 --- a/arch/sparc/include/asm/sections_32.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _SPARC_SECTIONS_H -#define _SPARC_SECTIONS_H - -#include - -#endif diff --git a/arch/sparc/include/asm/sections_64.h b/arch/sparc/include/asm/sections_64.h deleted file mode 100644 index 3f4b9fdc28d..00000000000 --- a/arch/sparc/include/asm/sections_64.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef _SPARC64_SECTIONS_H -#define _SPARC64_SECTIONS_H - -/* nothing to see, move along */ -#include - -extern char _start[]; - -#endif diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index 51b40426f9c..f0b4b516304 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S @@ -990,7 +990,7 @@ sun4c_continue_boot: /* Zero out our BSS section. */ set __bss_start , %o0 ! First address of BSS - set end , %o1 ! Last address of BSS + set _end , %o1 ! Last address of BSS add %o0, 0x1, %o0 1: stb %g0, [%o0] diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 59c8d090920..76267085b13 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -49,7 +49,6 @@ SECTIONS *(.gnu.warning) } = 0 _etext = .; - PROVIDE (etext = .); RO_DATA(PAGE_SIZE) .data : { @@ -69,7 +68,6 @@ SECTIONS } /* End of data section */ _edata = .; - PROVIDE (edata = .); /* init_task */ . = ALIGN(THREAD_SIZE); @@ -172,7 +170,6 @@ SECTIONS *(COMMON) } _end = . ; - PROVIDE (end = .); /DISCARD/ : { EXIT_TEXT diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index 677c1e187a2..fec926021f4 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -25,6 +25,7 @@ #include #include +#include #include #include #include @@ -48,9 +49,6 @@ unsigned long sparc_unmapped_base; struct pgtable_cache_struct pgt_quicklists; -/* References to section boundaries */ -extern char __init_begin, __init_end, _start, _end, etext , edata; - /* Initial ramdisk setup */ extern unsigned int sparc_ramdisk_image; extern unsigned int sparc_ramdisk_size; @@ -450,9 +448,9 @@ void __init mem_init(void) totalram_pages += totalhigh_pages; - codepages = (((unsigned long) &etext) - ((unsigned long)&_start)); + codepages = (((unsigned long) &_etext) - ((unsigned long)&_start)); codepages = PAGE_ALIGN(codepages) >> PAGE_SHIFT; - datapages = (((unsigned long) &edata) - ((unsigned long)&etext)); + datapages = (((unsigned long) &_edata) - ((unsigned long)&_etext)); datapages = PAGE_ALIGN(datapages) >> PAGE_SHIFT; initpages = (((unsigned long) &__init_end) - ((unsigned long) &__init_begin)); initpages = PAGE_ALIGN(initpages) >> PAGE_SHIFT; @@ -476,8 +474,10 @@ void __init mem_init(void) void free_initmem (void) { unsigned long addr; + unsigned long freed; addr = (unsigned long)(&__init_begin); + freed = (unsigned long)(&__init_end) - addr; for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { struct page *p; @@ -490,8 +490,8 @@ void free_initmem (void) totalram_pages++; num_physpages++; } - printk(KERN_INFO "Freeing unused kernel memory: %dk freed\n", - (&__init_end - &__init_begin) >> 10); + printk(KERN_INFO "Freeing unused kernel memory: %ldk freed\n", + freed >> 10); } #ifdef CONFIG_BLK_DEV_INITRD diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index ad0ce117f35..2ffacd67c42 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -18,6 +18,7 @@ #include #include +#include #include #include #include @@ -1951,7 +1952,6 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p } extern void sparc_context_init(int); -extern unsigned long end; extern unsigned long bootmem_init(unsigned long *pages_avail); extern unsigned long last_valid_pfn; @@ -1962,7 +1962,7 @@ void __init sun4c_paging_init(void) extern struct resource sparc_iomap; unsigned long end_pfn, pages_avail; - kernel_end = (unsigned long) &end; + kernel_end = (unsigned long) &_end; kernel_end = SUN4C_REAL_PGDIR_ALIGN(kernel_end); pages_avail = 0; -- 2.41.0