diff options
| -rw-r--r-- | arch/arm/kernel/vmlinux.lds.S | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index ba65f1217310..2d760df0d57d 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -11,7 +11,27 @@ #ifdef CONFIG_ARM_KERNMEM_PERMS #include <asm/pgtable.h> #endif - + +/* + * Poor man's version of LOG2CEIL(), which is + * not available in binutils before v2.24. + */ +#define LOG2_ROUNDUP(size) ( \ + __LOG2_ROUNDUP(size, 2) \ + __LOG2_ROUNDUP(size, 3) \ + __LOG2_ROUNDUP(size, 4) \ + __LOG2_ROUNDUP(size, 5) \ + __LOG2_ROUNDUP(size, 6) \ + __LOG2_ROUNDUP(size, 7) \ + __LOG2_ROUNDUP(size, 8) \ + __LOG2_ROUNDUP(size, 9) \ + __LOG2_ROUNDUP(size, 10) \ + __LOG2_ROUNDUP(size, 11) \ + 12) + +#define __LOG2_ROUNDUP(size, order) \ + (size) <= (1 << order) ? order : + #define PROC_INFO \ . = ALIGN(4); \ VMLINUX_SYMBOL(__proc_info_begin) = .; \ @@ -23,7 +43,7 @@ VMLINUX_SYMBOL(__idmap_text_start) = .; \ *(.idmap.text) \ VMLINUX_SYMBOL(__idmap_text_end) = .; \ - . = ALIGN(1 << LOG2CEIL(__hyp_idmap_size)); \ + . = ALIGN(1 << LOG2_ROUNDUP(__hyp_idmap_size)); \ VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \ *(.hyp.idmap.text) \ VMLINUX_SYMBOL(__hyp_idmap_text_end) = .; |