Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753991Ab3CKLC6 (ORCPT ); Mon, 11 Mar 2013 07:02:58 -0400 Received: from mail1.windriver.com ([147.11.146.13]:54839 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753735Ab3CKLC4 (ORCPT ); Mon, 11 Mar 2013 07:02:56 -0400 From: Tiejun Chen To: , CC: , , Subject: [v4][PATCH 2/7] powerpc/book3e: store critical/machine/debug exception thread info Date: Mon, 11 Mar 2013 19:02:41 +0800 Message-ID: <1362999766-20897-3-git-send-email-tiejun.chen@windriver.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1362999766-20897-1-git-send-email-tiejun.chen@windriver.com> References: <1362999766-20897-1-git-send-email-tiejun.chen@windriver.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2186 Lines: 63 We need to store thread info to these exception thread info like something we already did for PPC32. Signed-off-by: Tiejun Chen --- arch/powerpc/kernel/exceptions-64e.S | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S index 7fd6af0..7df9a1f 100644 --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -67,6 +67,18 @@ std r10,PACA_##level##_STACK(r13); #endif +/* Store something to exception thread info */ +#define BOOK3E_STORE_EXC_LEVEL_THEAD_INFO(type) \ + ld r14,PACAKSAVE(r13); \ + CURRENT_THREAD_INFO(r14, r14); \ + CURRENT_THREAD_INFO(r15, r1); \ + ld r10,TI_FLAGS(r14); \ + std r10,TI_FLAGS(r15); \ + ld r10,TI_PREEMPT(r14); \ + std r10,TI_PREEMPT(r15); \ + ld r10,TI_TASK(r14); \ + std r10,TI_TASK(r15); + /* Exception prolog code for all exceptions */ #define EXCEPTION_PROLOG(n, intnum, type, addition) \ mtspr SPRN_SPRG_##type##_SCRATCH,r13; /* get spare registers */ \ @@ -104,6 +116,7 @@ BOOK3E_LOAD_EXC_LEVEL_STACK(CRIT); \ ld r1,PACA_CRIT_STACK(r13); \ subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \ + BOOK3E_STORE_EXC_LEVEL_THEAD_INFO(CRIT); \ 1: #define SPRN_CRIT_SRR0 SPRN_CSRR0 #define SPRN_CRIT_SRR1 SPRN_CSRR1 @@ -114,6 +127,7 @@ BOOK3E_LOAD_EXC_LEVEL_STACK(DBG); \ ld r1,PACA_DBG_STACK(r13); \ subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \ + BOOK3E_STORE_EXC_LEVEL_THEAD_INFO(DBG); \ 1: #define SPRN_DBG_SRR0 SPRN_DSRR0 #define SPRN_DBG_SRR1 SPRN_DSRR1 @@ -124,6 +138,7 @@ BOOK3E_LOAD_EXC_LEVEL_STACK(MC); \ ld r1,PACA_MC_STACK(r13); \ subi r1,r1,SPECIAL_EXC_FRAME_SIZE; \ + BOOK3E_STORE_EXC_LEVEL_THEAD_INFO(MC); \ 1: #define SPRN_MC_SRR0 SPRN_MCSRR0 #define SPRN_MC_SRR1 SPRN_MCSRR1 -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/