/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/arch/arm/vfp/entry.S * * Copyright (C) 2004 ARM Limited. * Written by Deep Blue Solutions Limited. */ #include #include #include #include #include #include @ 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 enabled. @ ENTRY(do_vfp) inc_preempt_count r10, r4 ldr r4, .LCvfp ldr r11, [r10, #TI_CPU] @ CPU number add r10, r10, #TI_VFPSTATE @ r10 = workspace ldr pc, [r4] @ call VFP entry point ENDPROC(do_vfp) ENTRY(vfp_null_entry) dec_preempt_count_ti r10, r4 ret lr ENDPROC(vfp_null_entry) .align 2 .LCvfp: .word vfp_vector