diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/vfp/entry.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/vfp/entry.S | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/ANDROID_3.4.5/arch/arm/vfp/entry.S b/ANDROID_3.4.5/arch/arm/vfp/entry.S deleted file mode 100644 index c1a97840..00000000 --- a/ANDROID_3.4.5/arch/arm/vfp/entry.S +++ /dev/null @@ -1,70 +0,0 @@ -/* - * linux/arch/arm/vfp/entry.S - * - * Copyright (C) 2004 ARM Limited. - * Written by Deep Blue Solutions Limited. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Basic entry code, called from the kernel's undefined instruction trap. - * r0 = faulted instruction - * r2 = faulted PC+4 - * r9 = successful return - * r10 = thread_info structure - * lr = failure return - */ -#include <asm/thread_info.h> -#include <asm/vfpmacros.h> -#include "../kernel/entry-header.S" - -ENTRY(do_vfp) -#ifdef CONFIG_PREEMPT - ldr r4, [r10, #TI_PREEMPT] @ get preempt count - add r11, r4, #1 @ increment it - str r11, [r10, #TI_PREEMPT] -#endif - enable_irq - str r2, [sp, #S_PC] @ update regs->ARM_pc for Thumb 2 case - 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) -#ifdef CONFIG_PREEMPT - get_thread_info r10 - ldr r4, [r10, #TI_PREEMPT] @ get preempt count - sub r11, r4, #1 @ decrement it - str r11, [r10, #TI_PREEMPT] -#endif - mov pc, lr -ENDPROC(vfp_null_entry) - - .align 2 -.LCvfp: - .word vfp_vector - -@ This code is called if the VFP does not exist. It needs to flag the -@ failure to the VFP initialisation code. - - __INIT -ENTRY(vfp_testing_entry) -#ifdef CONFIG_PREEMPT - get_thread_info r10 - ldr r4, [r10, #TI_PREEMPT] @ get preempt count - sub r11, r4, #1 @ decrement it - str r11, [r10, #TI_PREEMPT] -#endif - ldr r0, VFP_arch_address - str r5, [r0] @ known non-zero value - mov pc, r9 @ we have handled the fault -ENDPROC(vfp_testing_entry) - - .align 2 -VFP_arch_address: - .word VFP_arch - - __FINIT |