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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
77 lines
1.9 KiB
ArmAsm
77 lines
1.9 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 1996 Paul Mackerras.
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*
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* NOTE: assert(sizeof(buf) > 23 * sizeof(long))
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*/
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#include <asm/processor.h>
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#include <asm/ppc_asm.h>
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#include <asm/asm-offsets.h>
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#include <asm/ptrace.h>
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#include <asm/asm-compat.h>
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/*
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* Grab the register values as they are now.
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* This won't do a particularly good job because we really
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* want our caller's caller's registers, and our caller has
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* already executed its prologue.
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* ToDo: We could reach back into the caller's save area to do
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* a better job of representing the caller's state (note that
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* that will be different for 32-bit and 64-bit, because of the
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* different ABIs, though).
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*/
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_GLOBAL(ppc_save_regs)
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PPC_STL r0,0*SZL(r3)
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#ifdef CONFIG_PPC32
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stmw r2, 2*SZL(r3)
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#else
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PPC_STL r2,2*SZL(r3)
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PPC_STL r3,3*SZL(r3)
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PPC_STL r4,4*SZL(r3)
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PPC_STL r5,5*SZL(r3)
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PPC_STL r6,6*SZL(r3)
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PPC_STL r7,7*SZL(r3)
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PPC_STL r8,8*SZL(r3)
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PPC_STL r9,9*SZL(r3)
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PPC_STL r10,10*SZL(r3)
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PPC_STL r11,11*SZL(r3)
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PPC_STL r12,12*SZL(r3)
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PPC_STL r13,13*SZL(r3)
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PPC_STL r14,14*SZL(r3)
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PPC_STL r15,15*SZL(r3)
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PPC_STL r16,16*SZL(r3)
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PPC_STL r17,17*SZL(r3)
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PPC_STL r18,18*SZL(r3)
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PPC_STL r19,19*SZL(r3)
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PPC_STL r20,20*SZL(r3)
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PPC_STL r21,21*SZL(r3)
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PPC_STL r22,22*SZL(r3)
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PPC_STL r23,23*SZL(r3)
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PPC_STL r24,24*SZL(r3)
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PPC_STL r25,25*SZL(r3)
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PPC_STL r26,26*SZL(r3)
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PPC_STL r27,27*SZL(r3)
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PPC_STL r28,28*SZL(r3)
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PPC_STL r29,29*SZL(r3)
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PPC_STL r30,30*SZL(r3)
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PPC_STL r31,31*SZL(r3)
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#endif
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/* go up one stack frame for SP */
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PPC_LL r4,0(r1)
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PPC_STL r4,1*SZL(r3)
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/* get caller's LR */
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PPC_LL r0,LRSAVE(r4)
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PPC_STL r0,_NIP-STACK_FRAME_OVERHEAD(r3)
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PPC_STL r0,_LINK-STACK_FRAME_OVERHEAD(r3)
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mfmsr r0
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PPC_STL r0,_MSR-STACK_FRAME_OVERHEAD(r3)
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mfctr r0
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PPC_STL r0,_CTR-STACK_FRAME_OVERHEAD(r3)
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mfxer r0
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PPC_STL r0,_XER-STACK_FRAME_OVERHEAD(r3)
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mfcr r0
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PPC_STL r0,_CCR-STACK_FRAME_OVERHEAD(r3)
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li r0,0
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PPC_STL r0,_TRAP-STACK_FRAME_OVERHEAD(r3)
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blr
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