From patchwork Wed Oct 5 00:22:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Ellerman X-Patchwork-Id: 678296 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3spcT52jtDz9s9x for ; Wed, 5 Oct 2016 11:43:05 +1100 (AEDT) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3spcT51yLZzDvj5 for ; Wed, 5 Oct 2016 11:43:05 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3spc2D16vjzDrMn for ; Wed, 5 Oct 2016 11:23:16 +1100 (AEDT) Received: by ozlabs.org (Postfix) id 3spc2C746jz9sCg; Wed, 5 Oct 2016 11:23:15 +1100 (AEDT) Delivered-To: linuxppc-dev@ozlabs.org Received: by ozlabs.org (Postfix, from userid 1034) id 3spc2C5RPCz9t0w; Wed, 5 Oct 2016 11:23:15 +1100 (AEDT) From: Michael Ellerman To: linuxppc-dev@ozlabs.org Subject: [PATCH v3 13/42] powerpc/64s: Consolidate Program 0x700 interrupt Date: Wed, 5 Oct 2016 11:22:35 +1100 Message-Id: <1475626984-18770-14-git-send-email-mpe@ellerman.id.au> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475626984-18770-1-git-send-email-mpe@ellerman.id.au> References: <1475626984-18770-1-git-send-email-mpe@ellerman.id.au> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: npiggin@gmail.com Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Nicholas Piggin Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/exceptions-64s.S | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index debd02436ed6..1df0283a5b3e 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -792,8 +792,16 @@ EXC_COMMON_BEGIN(alignment_common) EXC_REAL(program_check, 0x700, 0x800) - +EXC_VIRT(program_check, 0x4700, 0x4800, 0x700) TRAMP_KVM(PACA_EXGEN, 0x700) +EXC_COMMON_BEGIN(program_check_common) + EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN) + bl save_nvgprs + RECONCILE_IRQ_STATE(r10, r11) + addi r3,r1,STACK_FRAME_OVERHEAD + bl program_check_exception + b ret_from_except + EXC_REAL(fp_unavailable, 0x800, 0x900) @@ -1197,7 +1205,6 @@ EXC_COMMON(altivec_assist_common, 0x1700, unknown_exception) * come here. */ -EXC_VIRT(program_check, 0x4700, 0x4800, 0x700) EXC_VIRT(fp_unavailable, 0x4800, 0x4900, 0x800) EXC_VIRT_MASKABLE(decrementer, 0x4900, 0x4980, 0x900) EXC_VIRT_HV(hdecrementer, 0x4980, 0x4a00, 0x980) @@ -1281,14 +1288,6 @@ EXC_COMMON_BEGIN(h_data_storage_common) EXC_COMMON(h_instr_storage_common, 0xe20, unknown_exception) -EXC_COMMON_BEGIN(program_check_common) - EXCEPTION_PROLOG_COMMON(0x700, PACA_EXGEN) - bl save_nvgprs - RECONCILE_IRQ_STATE(r10, r11) - addi r3,r1,STACK_FRAME_OVERHEAD - bl program_check_exception - b ret_from_except - EXC_COMMON_BEGIN(fp_unavailable_common) EXCEPTION_PROLOG_COMMON(0x800, PACA_EXGEN) bne 1f /* if from user, just load it up */