diff options
Diffstat (limited to 'arch/ia64/kernel/mca_drv_asm.S')
| -rw-r--r-- | arch/ia64/kernel/mca_drv_asm.S | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S deleted file mode 100644 index 4428f57bee73..000000000000 --- a/arch/ia64/kernel/mca_drv_asm.S +++ /dev/null @@ -1,56 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * File: mca_drv_asm.S - * Purpose: Assembly portion of Generic MCA handling - * - * Copyright (C) 2004 FUJITSU LIMITED - * Copyright (C) 2004 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> - */ -#include <linux/threads.h> - -#include <asm/asmmacro.h> -#include <asm/processor.h> -#include <asm/ptrace.h> - -GLOBAL_ENTRY(mca_handler_bhhook) - invala // clear RSE ? - cover - ;; - clrrrb - ;; - alloc r16=ar.pfs,0,2,3,0 // make a new frame - mov ar.rsc=0 - mov r13=IA64_KR(CURRENT) // current task pointer - ;; - mov r2=r13 - ;; - addl r22=IA64_RBS_OFFSET,r2 - ;; - mov ar.bspstore=r22 - addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2 - ;; - adds r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13 - ;; - st1 [r2]=r0 // clear current->thread.on_ustack flag - mov loc0=r16 - movl loc1=mca_handler_bh // recovery C function - ;; - mov out0=r8 // poisoned address - mov out1=r9 // iip - mov out2=r10 // psr - mov b6=loc1 - ;; - mov loc1=rp - ssm psr.ic - ;; - srlz.i - ;; - ssm psr.i - br.call.sptk.many rp=b6 // does not return ... - ;; - mov ar.pfs=loc0 - mov rp=loc1 - ;; - mov r8=r0 - br.ret.sptk.many rp -END(mca_handler_bhhook) |