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Fri, 25 Apr 2025 02:45:03 -0700 (PDT) From: Jay Chang To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Jay Chang , Frank Chang Subject: [PATCH v2 1/2] target/riscv: Extend PMP region up to 64 Date: Fri, 25 Apr 2025 17:44:51 +0800 Message-ID: <20250425094452.17013-2-jay.chang@sifive.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250425094452.17013-1-jay.chang@sifive.com> References: <20250425094452.17013-1-jay.chang@sifive.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::1032; envelope-from=jay.chang@sifive.com; helo=mail-pj1-x1032.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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_NONE=-0.0001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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 @sifive.com) X-ZM-MESSAGEID: 1745574354696019000 According to the RISC-V Privileged Specification (version >1.12), RV32 supports 16 CSRs (pmpcfg0=E2=80=93pmpcfg15) to configure 64 PMP regions (pmpaddr0=E2=80=93pmpaddr63). Reviewed-by: Frank Chang Signed-off-by: Jay Chang Reviewed-by: Alistair Francis --- target/riscv/cpu_bits.h | 60 +++++++++++++++++++ target/riscv/csr.c | 124 +++++++++++++++++++++++++++++++++++++++- 2 files changed, 182 insertions(+), 2 deletions(-) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index a30317c617..e6b3e28386 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -372,6 +372,18 @@ #define CSR_PMPCFG1 0x3a1 #define CSR_PMPCFG2 0x3a2 #define CSR_PMPCFG3 0x3a3 +#define CSR_PMPCFG4 0x3a4 +#define CSR_PMPCFG5 0x3a5 +#define CSR_PMPCFG6 0x3a6 +#define CSR_PMPCFG7 0x3a7 +#define CSR_PMPCFG8 0x3a8 +#define CSR_PMPCFG9 0x3a9 +#define CSR_PMPCFG10 0x3aa +#define CSR_PMPCFG11 0x3ab +#define CSR_PMPCFG12 0x3ac +#define CSR_PMPCFG13 0x3ad +#define CSR_PMPCFG14 0x3ae +#define CSR_PMPCFG15 0x3af #define CSR_PMPADDR0 0x3b0 #define CSR_PMPADDR1 0x3b1 #define CSR_PMPADDR2 0x3b2 @@ -388,6 +400,54 @@ #define CSR_PMPADDR13 0x3bd #define CSR_PMPADDR14 0x3be #define CSR_PMPADDR15 0x3bf +#define CSR_PMPADDR16 0x3c0 +#define CSR_PMPADDR17 0x3c1 +#define CSR_PMPADDR18 0x3c2 +#define CSR_PMPADDR19 0x3c3 +#define CSR_PMPADDR20 0x3c4 +#define CSR_PMPADDR21 0x3c5 +#define CSR_PMPADDR22 0x3c6 +#define CSR_PMPADDR23 0x3c7 +#define CSR_PMPADDR24 0x3c8 +#define CSR_PMPADDR25 0x3c9 +#define CSR_PMPADDR26 0x3ca +#define CSR_PMPADDR27 0x3cb +#define CSR_PMPADDR28 0x3cc +#define CSR_PMPADDR29 0x3cd +#define CSR_PMPADDR30 0x3ce +#define CSR_PMPADDR31 0x3cf +#define CSR_PMPADDR32 0x3d0 +#define CSR_PMPADDR33 0x3d1 +#define CSR_PMPADDR34 0x3d2 +#define CSR_PMPADDR35 0x3d3 +#define CSR_PMPADDR36 0x3d4 +#define CSR_PMPADDR37 0x3d5 +#define CSR_PMPADDR38 0x3d6 +#define CSR_PMPADDR39 0x3d7 +#define CSR_PMPADDR40 0x3d8 +#define CSR_PMPADDR41 0x3d9 +#define CSR_PMPADDR42 0x3da +#define CSR_PMPADDR43 0x3db +#define CSR_PMPADDR44 0x3dc +#define CSR_PMPADDR45 0x3dd +#define CSR_PMPADDR46 0x3de +#define CSR_PMPADDR47 0x3df +#define CSR_PMPADDR48 0x3e0 +#define CSR_PMPADDR49 0x3e1 +#define CSR_PMPADDR50 0x3e2 +#define CSR_PMPADDR51 0x3e3 +#define CSR_PMPADDR52 0x3e4 +#define CSR_PMPADDR53 0x3e5 +#define CSR_PMPADDR54 0x3e6 +#define CSR_PMPADDR55 0x3e7 +#define CSR_PMPADDR56 0x3e8 +#define CSR_PMPADDR57 0x3e9 +#define CSR_PMPADDR58 0x3ea +#define CSR_PMPADDR59 0x3eb +#define CSR_PMPADDR60 0x3ec +#define CSR_PMPADDR61 0x3ed +#define CSR_PMPADDR62 0x3ee +#define CSR_PMPADDR63 0x3ef =20 /* RNMI */ #define CSR_MNSCRATCH 0x740 diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 560b45d10d..41cf469615 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -6093,6 +6093,30 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] =3D { [CSR_PMPCFG1] =3D { "pmpcfg1", pmp, read_pmpcfg, write_pmpcfg }, [CSR_PMPCFG2] =3D { "pmpcfg2", pmp, read_pmpcfg, write_pmpcfg }, [CSR_PMPCFG3] =3D { "pmpcfg3", pmp, read_pmpcfg, write_pmpcfg }, + [CSR_PMPCFG4] =3D { "pmpcfg4", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG5] =3D { "pmpcfg5", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG6] =3D { "pmpcfg6", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG7] =3D { "pmpcfg7", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG8] =3D { "pmpcfg8", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG9] =3D { "pmpcfg9", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG10] =3D { "pmpcfg10", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG11] =3D { "pmpcfg11", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG12] =3D { "pmpcfg12", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG13] =3D { "pmpcfg13", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG14] =3D { "pmpcfg14", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPCFG15] =3D { "pmpcfg15", pmp, read_pmpcfg, write_pmpcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, [CSR_PMPADDR0] =3D { "pmpaddr0", pmp, read_pmpaddr, write_pmpaddr }, [CSR_PMPADDR1] =3D { "pmpaddr1", pmp, read_pmpaddr, write_pmpaddr }, [CSR_PMPADDR2] =3D { "pmpaddr2", pmp, read_pmpaddr, write_pmpaddr }, @@ -6107,8 +6131,104 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] =3D { [CSR_PMPADDR11] =3D { "pmpaddr11", pmp, read_pmpaddr, write_pmpaddr }, [CSR_PMPADDR12] =3D { "pmpaddr12", pmp, read_pmpaddr, write_pmpaddr }, [CSR_PMPADDR13] =3D { "pmpaddr13", pmp, read_pmpaddr, write_pmpaddr }, - [CSR_PMPADDR14] =3D { "pmpaddr14", pmp, read_pmpaddr, write_pmpaddr }, - [CSR_PMPADDR15] =3D { "pmpaddr15", pmp, read_pmpaddr, write_pmpaddr }, + [CSR_PMPADDR14] =3D { "pmpaddr14", pmp, read_pmpaddr, write_pmpaddr }, + [CSR_PMPADDR15] =3D { "pmpaddr15", pmp, read_pmpaddr, write_pmpaddr }, + [CSR_PMPADDR16] =3D { "pmpaddr16", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR17] =3D { "pmpaddr17", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR18] =3D { "pmpaddr18", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR19] =3D { "pmpaddr19", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR20] =3D { "pmpaddr20", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR21] =3D { "pmpaddr21", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR22] =3D { "pmpaddr22", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR23] =3D { "pmpaddr23", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR24] =3D { "pmpaddr24", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR25] =3D { "pmpaddr25", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR26] =3D { "pmpaddr26", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR27] =3D { "pmpaddr27", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR28] =3D { "pmpaddr28", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR29] =3D { "pmpaddr29", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR30] =3D { "pmpaddr30", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR31] =3D { "pmpaddr31", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR32] =3D { "pmpaddr32", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR33] =3D { "pmpaddr33", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR34] =3D { "pmpaddr34", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR35] =3D { "pmpaddr35", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR36] =3D { "pmpaddr36", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR37] =3D { "pmpaddr37", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR38] =3D { "pmpaddr38", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR39] =3D { "pmpaddr39", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR40] =3D { "pmpaddr40", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR41] =3D { "pmpaddr41", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR42] =3D { "pmpaddr42", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR43] =3D { "pmpaddr43", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR44] =3D { "pmpaddr44", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR45] =3D { "pmpaddr45", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR46] =3D { "pmpaddr46", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR47] =3D { "pmpaddr47", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR48] =3D { "pmpaddr48", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR49] =3D { "pmpaddr49", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR50] =3D { "pmpaddr50", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR51] =3D { "pmpaddr51", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR52] =3D { "pmpaddr52", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR53] =3D { "pmpaddr53", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR54] =3D { "pmpaddr54", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR55] =3D { "pmpaddr55", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR56] =3D { "pmpaddr56", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR57] =3D { "pmpaddr57", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR58] =3D { "pmpaddr58", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR59] =3D { "pmpaddr59", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR60] =3D { "pmpaddr60", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR61] =3D { "pmpaddr61", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR62] =3D { "pmpaddr62", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_PMPADDR63] =3D { "pmpaddr63", pmp, read_pmpaddr, write_pmpaddr, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, =20 /* Debug CSRs */ [CSR_TSELECT] =3D { "tselect", debug, read_tselect, write_tselect= }, --=20 2.48.1