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[124.171.76.150]) by smtp.gmail.com with ESMTPSA id e17-20020a170902cf5100b001d052d1aaf2sm1509401plg.101.2024.01.18.07.08.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jan 2024 07:08:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705590512; x=1706195312; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=vy60hrRrrlBavCX3H9x/6nZdx6ZqVNqV3pobq9fWbpc=; b=R05W4jzDC1JtKla/VR9w/Ldwh8IZ3JHBXcBr2yt5RKTNYw46laAJg8f4EOdIqZ5sbO TvBL+MljbabfqS7XkMYk1HxMoDnLYXnWFTP2X2g7PTaM9kK2dHPOZs3XlTsFGgRvl3Zq CH0iR00jwXkqOL+0wO2qGKo8h/YH0oQM83iz6eRwhOHr0ibewqZ+tMBWXEOR+ZTVlSxZ cLQ3Z2zD8wLl0BPMv0al2KtzINVQUKUsKgQY1Ss3piepgZEejwdknwjgX3kQkpEpyuA5 RDosnTx7rH8+B6tA1RWh+hSBv143pZXCwDERqzqLK+eyfbfogwQnTBEHBWrZwx0FHaCl ceBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705590512; x=1706195312; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=vy60hrRrrlBavCX3H9x/6nZdx6ZqVNqV3pobq9fWbpc=; b=aR5Z6nPfIYTRm2BV7okY+n66UWLXxcSAoNomnQnPUCKnsBAFrA1EWVkZPBMHew1sdc m75XzktU8NcYaZaiqBF8a9Rlo4yvWM4rWvaqRJquTeCJDGh6LFGfixoXjsuY2G2ga5k9 E+jb3IZNPNGD87pUYMRp6CPhSYFbpp/6wwJlmJ6VS0H9w+DyWnPVmO4STZgPrwotLdLf PIPY98uk/p6FNkcJxXOoJWtKRZz4/DSdQo2tPXdd9mBPA7ID4YQNTcOUyQ8rdjVANyuy q9e+d2Dv6aeScF6p0RrQCZj1wwZZKthNQKn5xtjaqBvBNKU84QSXp3NXwfDBNNcoGLwx r/EQ== X-Gm-Message-State: AOJu0YxNuGomI09BcEFtGFWlpj+akHt3WRF9xpcRlrIAuRHtmcFJoh/Z 0SGL6Xlg0mYWTi4tUvjpjp0k/CntK+k1rMUXPVFZPveVo+FLNypDWkLUjgQY X-Google-Smtp-Source: AGHT+IEebBuVKnO/wEjvLFnuAkft97FP4er3VEiAWpHgrJJPrTWX/S3KcBnDIjxdd5uEOwE+vvxQMw== X-Received: by 2002:a17:903:32c3:b0:1d5:78db:4293 with SMTP id i3-20020a17090332c300b001d578db4293mr1142158plr.29.1705590512290; Thu, 18 Jan 2024 07:08:32 -0800 (PST) From: Nicholas Piggin To: qemu-ppc@nongnu.org Cc: Nicholas Piggin , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Barrat?= , Daniel Henrique Barboza , David Gibson , Harsh Prateek Bora , qemu-devel@nongnu.org Subject: [PATCH 21/26] target/ppc: add helper to write per-LPAR SPRs Date: Fri, 19 Jan 2024 01:06:39 +1000 Message-ID: <20240118150644.177371-22-npiggin@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20240118150644.177371-1-npiggin@gmail.com> References: <20240118150644.177371-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=npiggin@gmail.com; helo=mail-pl1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1705590879709100003 Content-Type: text/plain; charset="utf-8" An SPR can be either per-thread, per-core, or per-LPAR. Per-LPAR means per-thread or per-core, depending on 1LPAR mode. Signed-off-by: Nicholas Piggin --- target/ppc/spr_common.h | 2 ++ target/ppc/translate.c | 26 ++++++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/target/ppc/spr_common.h b/target/ppc/spr_common.h index 9e40b3b608..85f73b860b 100644 --- a/target/ppc/spr_common.h +++ b/target/ppc/spr_common.h @@ -83,6 +83,8 @@ void spr_read_generic(DisasContext *ctx, int gprn, int sp= rn); void spr_write_generic(DisasContext *ctx, int sprn, int gprn); void spr_write_generic32(DisasContext *ctx, int sprn, int gprn); void spr_core_write_generic(DisasContext *ctx, int sprn, int gprn); +void spr_core_write_generic32(DisasContext *ctx, int sprn, int gprn); +void spr_core_lpar_write_generic(DisasContext *ctx, int sprn, int gprn); void spr_write_MMCR0(DisasContext *ctx, int sprn, int gprn); void spr_write_MMCR1(DisasContext *ctx, int sprn, int gprn); void spr_write_MMCRA(DisasContext *ctx, int sprn, int gprn); diff --git a/target/ppc/translate.c b/target/ppc/translate.c index c5089f90f6..e7749d9b32 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -472,6 +472,32 @@ void spr_core_write_generic(DisasContext *ctx, int spr= n, int gprn) spr_store_dump_spr(sprn); } =20 +void spr_core_write_generic32(DisasContext *ctx, int sprn, int gprn) +{ + TCGv t0 =3D tcg_temp_new(); + if (!(ctx->flags & POWERPC_FLAG_SMT)) { + spr_write_generic32(ctx, sprn, gprn); + return; + } + + if (!gen_serialize(ctx)) { + return; + } + + tcg_gen_ext32u_tl(t0, cpu_gpr[gprn]); + gen_helper_spr_core_write_generic(tcg_env, tcg_constant_i32(sprn), t0); + spr_store_dump_spr(sprn); +} + +void spr_core_lpar_write_generic(DisasContext *ctx, int sprn, int gprn) +{ + if (ctx->flags & POWERPC_FLAG_SMT_1LPAR) { + spr_core_write_generic(ctx, sprn, gprn); + } else { + spr_write_generic(ctx, sprn, gprn); + } +} + static void spr_write_CTRL_ST(DisasContext *ctx, int sprn, int gprn) { /* This does not implement >1 thread */ --=20 2.42.0