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charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241226-la32-fixes1-v2-19-0414594f8cb5@flygoat.com> References: <20241226-la32-fixes1-v2-0-0414594f8cb5@flygoat.com> In-Reply-To: <20241226-la32-fixes1-v2-0-0414594f8cb5@flygoat.com> To: qemu-devel@nongnu.org Cc: Song Gao , Bibo Mao , Eric Blake , Markus Armbruster , Eduardo Habkost , Marcel Apfelbaum , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Zhao Liu , Paolo Bonzini , Jiaxun Yang X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=4409; i=jiaxun.yang@flygoat.com; h=from:subject:message-id; bh=vEacUjKkUMYiOaoh7JhdLKxOhu9cYeGzxhK2xx4ZzFk=; b=owGbwMvMwCXmXMhTe71c8zDjabUkhvTcE9nfGti89juZpZXkZv2uS1j3UPzY97Qg/UVLLnSt3 92a+GxLRykLgxgXg6yYIkuIgFLfhsaLC64/yPoDM4eVCWQIAxenAExksxYjw6eMKj3P6NYPjx6w th7RuiW/jF3WveYuw8TfMX7nyy9kXmBk+J2tElosYvi0bZ6ozYO95nfsg4TKvUUma8d8/n3drvA pLwA= X-Developer-Key: i=jiaxun.yang@flygoat.com; a=openpgp; fpr=980379BEFEBFBF477EA04EF9C111949073FC0F67 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=103.168.172.155; envelope-from=jiaxun.yang@flygoat.com; helo=fhigh-a4-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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 @flygoat.com) X-ZM-MESSAGEID: 1735248088975116600 Introduce max32 CPU type as it's necessary to demonstrate all features we have in LA32. Signed-off-by: Jiaxun Yang --- target/loongarch/cpu.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 92 insertions(+) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index 720f5b97698abe454c79c2f8fb2a36d0113c5c24..afc6ff30b34af86c611c5866c9c= 79b3924c69ed7 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -404,6 +404,97 @@ static void loongarch_la132_initfn(Object *obj) env->cpucfg[1] =3D data; } =20 +static void loongarch_max32_initfn(Object *obj) +{ + LoongArchCPU *cpu =3D LOONGARCH_CPU(obj); + CPULoongArchState *env =3D &cpu->env; + int i; + + for (i =3D 0; i < 21; i++) { + env->cpucfg[i] =3D 0x0; + } + + cpu->dtb_compatible =3D "loongarch,la32"; + env->cpucfg[0] =3D 0x148042; /* PRID */ + + uint32_t data =3D 0; + data =3D FIELD_DP32(data, CPUCFG1, ARCH, 1); /* LA32 */ + data =3D FIELD_DP32(data, CPUCFG1, PGMMU, 1); + data =3D FIELD_DP32(data, CPUCFG1, IOCSR, 1); + data =3D FIELD_DP32(data, CPUCFG1, PALEN, 0x1f); /* 32 bits */ + data =3D FIELD_DP32(data, CPUCFG1, VALEN, 0x1f); /* 32 bits */ + data =3D FIELD_DP32(data, CPUCFG1, UAL, 1); + data =3D FIELD_DP32(data, CPUCFG1, HP, 1); + data =3D FIELD_DP32(data, CPUCFG1, IOCSR_BRD, 1); + env->cpucfg[1] =3D data; + + data =3D 0; + data =3D FIELD_DP32(data, CPUCFG2, FP, 1); + data =3D FIELD_DP32(data, CPUCFG2, FP_SP, 1); + data =3D FIELD_DP32(data, CPUCFG2, FP_DP, 1); + data =3D FIELD_DP32(data, CPUCFG2, FP_VER, 1); + data =3D FIELD_DP32(data, CPUCFG2, LLFTP, 1); + data =3D FIELD_DP32(data, CPUCFG2, LLFTP_VER, 1); + env->cpucfg[2] =3D data; + + data =3D 0; + data =3D FIELD_DP32(data, CPUCFG3, CCDMA, 1); + data =3D FIELD_DP32(data, CPUCFG3, ITLBHMC, 1); + data =3D FIELD_DP32(data, CPUCFG3, ICHMC, 1); + env->cpucfg[3] =3D data; + + env->cpucfg[4] =3D 100 * 1000 * 1000; /* Crystal frequency */ + + data =3D 0; + data =3D FIELD_DP32(data, CPUCFG5, CC_MUL, 1); + data =3D FIELD_DP32(data, CPUCFG5, CC_DIV, 1); + env->cpucfg[5] =3D data; + + data =3D 0; + data =3D FIELD_DP32(data, CPUCFG16, L1_IUPRE, 1); + data =3D FIELD_DP32(data, CPUCFG16, L1_DPRE, 1); + data =3D FIELD_DP32(data, CPUCFG16, L2_IUPRE, 1); + data =3D FIELD_DP32(data, CPUCFG16, L2_IUUNIFY, 1); + data =3D FIELD_DP32(data, CPUCFG16, L2_IUINCL, 1); + env->cpucfg[16] =3D data; + + /* 16K L1I */ + data =3D 0; + data =3D FIELD_DP32(data, CPUCFG17, L1IU_WAYS, 3); + data =3D FIELD_DP32(data, CPUCFG17, L1IU_SETS, 7); + data =3D FIELD_DP32(data, CPUCFG17, L1IU_SIZE, 5); + env->cpucfg[17] =3D data; + + /* 16K L1D */ + data =3D 0; + data =3D FIELD_DP32(data, CPUCFG18, L1D_WAYS, 3); + data =3D FIELD_DP32(data, CPUCFG18, L1D_SETS, 7); + data =3D FIELD_DP32(data, CPUCFG18, L1D_SIZE, 5); + env->cpucfg[18] =3D data; + + data =3D 0; + /* 128K L2 */ + data =3D FIELD_DP32(data, CPUCFG19, L2IU_WAYS, 7); + data =3D FIELD_DP32(data, CPUCFG19, L2IU_SETS, 9); + data =3D FIELD_DP32(data, CPUCFG19, L2IU_SIZE, 5); + env->cpucfg[19] =3D data; + + env->CSR_ASID =3D FIELD_DP64(0, CSR_ASID, ASIDBITS, 0xa); + + env->CSR_PRCFG1 =3D FIELD_DP64(env->CSR_PRCFG1, CSR_PRCFG1, SAVE_NUM, = 8); + env->CSR_PRCFG1 =3D FIELD_DP64(env->CSR_PRCFG1, CSR_PRCFG1, TIMER_BITS= , 31); + env->CSR_PRCFG1 =3D FIELD_DP64(env->CSR_PRCFG1, CSR_PRCFG1, VSMAX, 0); + + env->CSR_PRCFG2 =3D 0x3ffff000; + + env->CSR_PRCFG3 =3D FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, TLB_TYPE, = 2); + env->CSR_PRCFG3 =3D FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, MTLB_ENTRY= , 63); + env->CSR_PRCFG3 =3D FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, STLB_WAYS,= 7); + env->CSR_PRCFG3 =3D FIELD_DP64(env->CSR_PRCFG3, CSR_PRCFG3, STLB_SETS,= 8); + + loongarch_cpu_post_init(obj); +} + #ifdef TARGET_LOONGARCH64 static void loongarch_la464_initfn(Object *obj) { @@ -923,6 +1014,7 @@ static const TypeInfo loongarch_cpu_type_infos[] =3D { }, #endif DEFINE_LOONGARCH_CPU_TYPE(32, "la132", loongarch_la132_initfn), + DEFINE_LOONGARCH_CPU_TYPE(32, "max32", loongarch_max32_initfn), #ifdef TARGET_LOONGARCH64 DEFINE_LOONGARCH_CPU_TYPE(64, "la464", loongarch_la464_initfn), DEFINE_LOONGARCH_CPU_TYPE(64, "max", loongarch_max_initfn), --=20 2.43.0