diff options
Diffstat (limited to 'arch/powerpc/include/asm/sections.h')
| -rw-r--r-- | arch/powerpc/include/asm/sections.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index e92d39c0cd1d..34d82ae1774c 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -26,16 +26,16 @@ extern char start_virt_trampolines[]; extern char end_virt_trampolines[]; #endif +/* + * This assumes the kernel is never compiled -mcmodel=small or + * the total .toc is always less than 64k. + */ static inline unsigned long kernel_toc_addr(void) { - /* Defined by the linker, see vmlinux.lds.S */ - extern unsigned long __toc_start; - - /* - * The TOC register (r2) points 32kB into the TOC, so that 64kB of - * the TOC can be addressed using a single machine instruction. - */ - return (unsigned long)(&__toc_start) + 0x8000UL; + unsigned long toc_ptr; + + asm volatile("mr %0, 2" : "=r" (toc_ptr)); + return toc_ptr; } static inline int overlaps_interrupt_vector_text(unsigned long start, |