diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/mmu-hash64.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/page.h | 14 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/sections.h | 6 |
3 files changed, 17 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index c2df53c5ceb9..5a441742ffba 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -437,7 +437,7 @@ typedef struct { }) #endif /* 1 */ -/* This is only valid for addresses >= KERNELBASE */ +/* This is only valid for addresses >= PAGE_OFFSET */ static inline unsigned long get_kernel_vsid(unsigned long ea, int ssize) { if (ssize == MMU_SEGSIZE_256M) diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index e088545cb3f5..64e144505f65 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -71,15 +71,21 @@ #define PAGE_OFFSET ASM_CONST(CONFIG_PAGE_OFFSET) #define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_PHYSICAL_START)) -#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_FLATMEM) +#if defined(CONFIG_RELOCATABLE) #ifndef __ASSEMBLY__ extern phys_addr_t memstart_addr; extern phys_addr_t kernstart_addr; #endif #define PHYSICAL_START kernstart_addr -#define MEMORY_START memstart_addr #else #define PHYSICAL_START ASM_CONST(CONFIG_PHYSICAL_START) +#endif + +#ifdef CONFIG_PPC64 +#define MEMORY_START 0UL +#elif defined(CONFIG_RELOCATABLE) +#define MEMORY_START memstart_addr +#else #define MEMORY_START (PHYSICAL_START + PAGE_OFFSET - KERNELBASE) #endif @@ -92,8 +98,8 @@ extern phys_addr_t kernstart_addr; #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) -#define __va(x) ((void *)((unsigned long)(x) - PHYSICAL_START + KERNELBASE)) -#define __pa(x) ((unsigned long)(x) + PHYSICAL_START - KERNELBASE) +#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET - MEMORY_START)) +#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET + MEMORY_START) /* * Unfortunately the PLT is in the BSS in the PPC32 ELF ABI, diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index 7710e9e6660f..baf318aec533 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -16,6 +16,12 @@ static inline int in_kernel_text(unsigned long addr) return 0; } +static inline int overlaps_kernel_text(unsigned long start, unsigned long end) +{ + return start < (unsigned long)__init_end && + (unsigned long)_stext < end; +} + #undef dereference_function_descriptor void *dereference_function_descriptor(void *); |