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X-Received-From: 2a00:1450:400c:c09::242 Subject: [Qemu-devel] [PATCH 1/2] target/mips: Increase the 'supported instructions' flags holder size X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Currently this holder is limited to at most 32 flags on a 32-bit architecture, which lets an unique bit available for another 'chip specific instructions' flag. Relax this limit using a 64-bit integer. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/mips/cpu.h | 2 +- target/mips/internal.h | 2 +- target/mips/translate.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/target/mips/cpu.h b/target/mips/cpu.h index 28af4d191c..f2a5031fd2 100644 --- a/target/mips/cpu.h +++ b/target/mips/cpu.h @@ -614,7 +614,7 @@ struct CPUMIPSState { int CCRes; /* Cycle count resolution/divisor */ uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */ uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */ - int insn_flags; /* Supported instruction set */ + uint64_t insn_flags; /* Supported instruction set */ =20 /* Fields up to this point are cleared by a CPU reset */ struct {} end_reset_fields; diff --git a/target/mips/internal.h b/target/mips/internal.h index e41051f8e6..bfe83ee613 100644 --- a/target/mips/internal.h +++ b/target/mips/internal.h @@ -59,7 +59,7 @@ struct mips_def_t { int32_t CP0_PageGrain_rw_bitmask; int32_t CP0_PageGrain; target_ulong CP0_EBaseWG_rw_bitmask; - int insn_flags; + uint64_t insn_flags; enum mips_mmu_types mmu_type; }; =20 diff --git a/target/mips/translate.c b/target/mips/translate.c index ab16cdb911..3b4e9ebae9 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -1870,7 +1870,7 @@ static inline void check_dspr2(DisasContext *ctx) =20 /* This code generates a "reserved instruction" exception if the CPU does not support the instruction set corresponding to flags. */ -static inline void check_insn(DisasContext *ctx, int flags) +static inline void check_insn(DisasContext *ctx, uint64_t flags) { if (unlikely(!(ctx->insn_flags & flags))) { generate_exception_end(ctx, EXCP_RI); @@ -1880,7 +1880,7 @@ static inline void check_insn(DisasContext *ctx, int = flags) /* This code generates a "reserved instruction" exception if the CPU has corresponding flag set which indicates that the instruction has been removed. */ -static inline void check_insn_opc_removed(DisasContext *ctx, int flags) +static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flag= s) { if (unlikely(ctx->insn_flags & flags)) { generate_exception_end(ctx, EXCP_RI); --=20 2.19.0.rc2 From nobody Wed Nov 5 16:56:26 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1536456983407162.12790704263523; Sat, 8 Sep 2018 18:36:23 -0700 (PDT) Received: from localhost ([::1]:45726 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyoe7-0004h6-Qp for importer@patchew.org; Sat, 08 Sep 2018 21:36:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39330) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fyod7-0004JG-NA for qemu-devel@nongnu.org; Sat, 08 Sep 2018 21:35:14 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fyod3-0001Kj-Sb for qemu-devel@nongnu.org; Sat, 08 Sep 2018 21:35:13 -0400 Received: from mail-wm0-x243.google.com ([2a00:1450:400c:c09::243]:51065) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fyod1-0001JI-Rn for qemu-devel@nongnu.org; Sat, 08 Sep 2018 21:35:09 -0400 Received: by mail-wm0-x243.google.com with SMTP id s12-v6so18069415wmc.0 for ; Sat, 08 Sep 2018 18:35:06 -0700 (PDT) Received: from x1.local (dynggepcrak-114-135-66-105.inwitelecom.net. 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X-Received-From: 2a00:1450:400c:c09::243 Subject: [Qemu-devel] [PATCH 2/2] target/mips: Add entries for the Toshiba's R3900 and R5900 cores X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/mips/mips-defs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/mips/mips-defs.h b/target/mips/mips-defs.h index c8e99791ad..9875bdac82 100644 --- a/target/mips/mips-defs.h +++ b/target/mips/mips-defs.h @@ -56,6 +56,8 @@ #define INSN_LOONGSON2E 0x20000000 #define INSN_LOONGSON2F 0x40000000 #define INSN_VR54XX 0x80000000 +#define INSN_R3900 0x100000000ULL +#define INSN_R5900 0x200000000ULL =20 /* MIPS CPU defines. */ #define CPU_MIPS1 (ISA_MIPS1) --=20 2.19.0.rc2