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GET /api/patches/954106/?format=api
{ "id": 954106, "url": "http://patchwork.ozlabs.org/api/patches/954106/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1533574847-19294-47-git-send-email-aleksandar.markovic@rt-rk.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1533574847-19294-47-git-send-email-aleksandar.markovic@rt-rk.com>", "list_archive_url": null, "date": "2018-08-06T17:00:13", "name": "[v7,46/80] target/mips: Add handling of branch delay slots for nanoMIPS", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "587412b62a9c96e20f4a4ed7942016b866e109b3", "submitter": { "id": 68635, "url": "http://patchwork.ozlabs.org/api/people/68635/?format=api", "name": "Aleksandar Markovic", "email": "aleksandar.markovic@rt-rk.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1533574847-19294-47-git-send-email-aleksandar.markovic@rt-rk.com/mbox/", "series": [ { "id": 59520, "url": "http://patchwork.ozlabs.org/api/series/59520/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=59520", "date": "2018-08-06T16:59:27", "name": "Add nanoMIPS support to QEMU", "version": 7, "mbox": "http://patchwork.ozlabs.org/series/59520/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/954106/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/954106/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdmarc=none (p=none dis=none) header.from=rt-rk.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 41klpt46xFz9rxx\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 7 Aug 2018 04:02:13 +1000 (AEST)", "from localhost ([::1]:35508 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1fmjpX-0007H7-4U\n\tfor incoming@patchwork.ozlabs.org; Mon, 06 Aug 2018 14:02:07 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:39552)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <aleksandar.markovic@rt-rk.com>) id 1fmjEl-0005RE-7M\n\tfor qemu-devel@nongnu.org; Mon, 06 Aug 2018 13:24:08 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <aleksandar.markovic@rt-rk.com>) id 1fmjEg-0008KL-W3\n\tfor qemu-devel@nongnu.org; Mon, 06 Aug 2018 13:24:07 -0400", "from mx2.rt-rk.com ([89.216.37.149]:40384 helo=mail.rt-rk.com)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <aleksandar.markovic@rt-rk.com>)\n\tid 1fmjEg-0008IO-N0\n\tfor qemu-devel@nongnu.org; Mon, 06 Aug 2018 13:24:02 -0400", "from localhost (localhost [127.0.0.1])\n\tby mail.rt-rk.com (Postfix) with ESMTP id 3845C1A2126;\n\tMon, 6 Aug 2018 19:24:01 +0200 (CEST)", "from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local\n\t[10.10.13.43])\n\tby mail.rt-rk.com (Postfix) with ESMTPSA id 13CC11A2036;\n\tMon, 6 Aug 2018 19:24:01 +0200 (CEST)" ], "X-Virus-Scanned": "amavisd-new at rt-rk.com", "From": "Aleksandar Markovic <aleksandar.markovic@rt-rk.com>", "To": "qemu-devel@nongnu.org", "Date": "Mon, 6 Aug 2018 19:00:13 +0200", "Message-Id": "<1533574847-19294-47-git-send-email-aleksandar.markovic@rt-rk.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1533574847-19294-1-git-send-email-aleksandar.markovic@rt-rk.com>", "References": "<1533574847-19294-1-git-send-email-aleksandar.markovic@rt-rk.com>", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 3.x [fuzzy]", "X-Received-From": "89.216.37.149", "Subject": "[Qemu-devel] [PATCH v7 46/80] target/mips: Add handling of branch\n\tdelay slots for nanoMIPS", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "peter.maydell@linaro.org, thuth@redhat.com, pburton@wavecomp.com,\n\tsmarkovic@wavecomp.com, riku.voipio@iki.fi,\n\trichard.henderson@linaro.org, laurent@vivier.eu,\n\tarmbru@redhat.com, arikalo@wavecomp.com,\n\tphilippe.mathieu.daude@gmail.com, amarkovic@wavecomp.com,\n\tpjovanovic@wavecomp.com, aurelien@aurel32.net", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "From: Matthew Fortune <matthew.fortune@mips.com>\n\nISA mode bit (LSB of address) is no longer required but is also\nmasked to allow for tools transition. The flag has_isa_mode has the\nkey role in the implementation.\n\nSigned-off-by: Yongbok Kim <yongbok.kim@mips.com>\nSigned-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>\nSigned-off-by: Stefan Markovic <smarkovic@wavecomp.com>\n---\n target/mips/translate.c | 6 ++++--\n 1 file changed, 4 insertions(+), 2 deletions(-)", "diff": "diff --git a/target/mips/translate.c b/target/mips/translate.c\nindex e1534cd..da03978 100644\n--- a/target/mips/translate.c\n+++ b/target/mips/translate.c\n@@ -1459,6 +1459,7 @@ typedef struct DisasContext {\n bool nan2008;\n bool abs2008;\n bool xnp;\n+ bool has_isa_mode;\n } DisasContext;\n \n #define DISAS_STOP DISAS_TARGET_0\n@@ -4621,7 +4622,7 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc,\n \n if (blink > 0) {\n int post_delay = insn_bytes + delayslot_size;\n- int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);\n+ int lowbit = ctx->has_isa_mode && !!(ctx->hflags & MIPS_HFLAG_M16);\n \n tcg_gen_movi_tl(cpu_gpr[blink],\n ctx->base.pc_next + post_delay + lowbit);\n@@ -11110,7 +11111,7 @@ static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,\n int bcond_compute = 0;\n TCGv t0 = tcg_temp_new();\n TCGv t1 = tcg_temp_new();\n- int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0;\n+ int m16_lowbit = ctx->has_isa_mode && ((ctx->hflags & MIPS_HFLAG_M16) != 0);\n \n if (ctx->hflags & MIPS_HFLAG_BMASK) {\n #ifdef MIPS_DEBUG_DISAS\n@@ -24982,6 +24983,7 @@ static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)\n ctx->nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1;\n ctx->abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1;\n ctx->xnp = (env->CP0_Config5 >> CP0C5_XNP) & 1;\n+ ctx->has_isa_mode = ((env->CP0_Config3 >> CP0C3_MMAR) & 0x7) < 3;\n restore_cpu_state(env, ctx);\n #ifdef CONFIG_USER_ONLY\n ctx->mem_idx = MIPS_HFLAG_UM;\n", "prefixes": [ "v7", "46/80" ] }