diff options
Diffstat (limited to 'arch/arm/machine/boot_asm.S')
| -rw-r--r-- | arch/arm/machine/boot_asm.S | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/machine/boot_asm.S b/arch/arm/machine/boot_asm.S index fedb63bb..ae250b1b 100644 --- a/arch/arm/machine/boot_asm.S +++ b/arch/arm/machine/boot_asm.S @@ -58,7 +58,14 @@ ASM_FUNC(_start): b 1b /* Continue otherwise */ 1: - /* TODO Invalidate all caches */ + /* + * Relocation is done. Make sure that the processor actually runs kernel + * code by flushing all the relevant caches. + */ + mov %r0, #0 + mcr p15, 0, %r0, c7, c7, 0 /* Clean all caches */ + mcr p15, 0, %r0, c7, c10, 5 /* Data synchronization barrier */ + mcr p15, 0, %r0, c7, c5, 4 /* Flush prefetch buffer */ /* Set up the stack */ ldr %r13, boot_stack_addr |