diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/boot/compressed/decompress.c | 5 | ||||
| -rw-r--r-- | arch/arm/boot/compressed/misc.c | 7 | ||||
| -rw-r--r-- | arch/arm/boot/compressed/misc.h | 10 | ||||
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 11 |
5 files changed, 29 insertions, 5 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7e3d53575486..3765336e5ec6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -7,6 +7,7 @@ config ARM select ARCH_HAS_DEBUG_VIRTUAL if MMU select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE + select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_SET_MEMORY select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c index a2ac3fe7dbf8..c16c1829a5e4 100644 --- a/arch/arm/boot/compressed/decompress.c +++ b/arch/arm/boot/compressed/decompress.c @@ -6,10 +6,7 @@ #include <linux/stddef.h> /* for NULL */ #include <linux/linkage.h> #include <asm/string.h> - -extern unsigned long free_mem_ptr; -extern unsigned long free_mem_end_ptr; -extern void error(char *); +#include "misc.h" #define STATIC static #define STATIC_RW_DATA /* non-static please */ diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 16a8a804e958..79f56c5a9fe5 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -22,9 +22,9 @@ unsigned int __machine_arch_type; #include <linux/compiler.h> /* for inline */ #include <linux/types.h> #include <linux/linkage.h> +#include "misc.h" static void putstr(const char *ptr); -extern void error(char *x); #include CONFIG_UNCOMPRESS_INCLUDE @@ -167,3 +167,8 @@ decompress_kernel(unsigned long output_start, unsigned long free_mem_ptr_p, else putstr(" done, booting the kernel.\n"); } + +void fortify_panic(const char *name) +{ + error("detected buffer overflow"); +} diff --git a/arch/arm/boot/compressed/misc.h b/arch/arm/boot/compressed/misc.h new file mode 100644 index 000000000000..c958dccd1d97 --- /dev/null +++ b/arch/arm/boot/compressed/misc.h @@ -0,0 +1,10 @@ +#ifndef MISC_H +#define MISC_H + +#include <linux/compiler.h> + +void error(char *x) __noreturn; +extern unsigned long free_mem_ptr; +extern unsigned long free_mem_end_ptr; + +#endif diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index d55d493f9a1e..b528a15f460d 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -272,6 +272,7 @@ ENDPROC(cpu_pj4b_do_resume) __v7_ca5mp_setup: __v7_ca9mp_setup: __v7_cr7mp_setup: +__v7_cr8mp_setup: mov r10, #(1 << 0) @ Cache/TLB ops broadcasting b 1f __v7_ca7mp_setup: @@ -642,6 +643,16 @@ __v7_cr7mp_proc_info: .size __v7_cr7mp_proc_info, . - __v7_cr7mp_proc_info /* + * ARM Ltd. Cortex R8 processor. + */ + .type __v7_cr8mp_proc_info, #object +__v7_cr8mp_proc_info: + .long 0x410fc180 + .long 0xff0ffff0 + __v7_proc __v7_cr8mp_proc_info, __v7_cr8mp_setup + .size __v7_cr8mp_proc_info, . - __v7_cr8mp_proc_info + + /* * ARM Ltd. Cortex A7 processor. */ .type __v7_ca7mp_proc_info, #object |