diff options
Diffstat (limited to 'arch/arm/vfp/entry.S')
| -rw-r--r-- | arch/arm/vfp/entry.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index c1a978402583..89d2161c0484 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -19,6 +19,15 @@ #include <asm/vfpmacros.h> #include "../kernel/entry-header.S" +@ VFP entry point. +@ +@ r0 = instruction opcode (32-bit ARM or two 16-bit Thumb) +@ r2 = PC value to resume execution after successful emulation +@ r9 = normal "successful" return address +@ r10 = this threads thread_info structure +@ lr = unrecognised instruction return address +@ IRQs disabled. +@ ENTRY(do_vfp) #ifdef CONFIG_PREEMPT ldr r4, [r10, #TI_PREEMPT] @ get preempt count |