diff mbox series

[v5,1/1] target/riscv: Add RVV registers to log

Message ID 20230629083730.386604-1-ivan.klokov@syntacore.com
State New
Headers show
Series [v5,1/1] target/riscv: Add RVV registers to log | expand

Commit Message

Ivan Klokov June 29, 2023, 8:37 a.m. UTC
Print RvV extension register to log if VPU option is enabled.

Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>
---
v5:
   - Fix typo, move macros out of function, direct access to cfg.vlen field. 
---
 target/riscv/cpu.c | 57 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)

Comments

Daniel Henrique Barboza June 29, 2023, 12:34 p.m. UTC | #1
On 6/29/23 05:37, Ivan Klokov wrote:
> Print RvV extension register to log if VPU option is enabled.
> 
> Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>
> ---
> v5:
>     - Fix typo, move macros out of function, direct access to cfg.vlen field.
> ---

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>

>   target/riscv/cpu.c | 57 +++++++++++++++++++++++++++++++++++++++++++++-
>   1 file changed, 56 insertions(+), 1 deletion(-)
> 
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 881bddf393..ff29573b1f 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -55,6 +55,17 @@ struct isa_ext_data {
>   #define ISA_EXT_DATA_ENTRY(_name, _min_ver, _prop) \
>       {#_name, _min_ver, offsetof(struct RISCVCPUConfig, _prop)}
>   
> +/*
> + * From vector_helper.c
> + * Note that vector data is stored in host-endian 64-bit chunks,
> + * so addressing bytes needs a host-endian fixup.
> + */
> +#if HOST_BIG_ENDIAN
> +#define BYTE(x)   ((x) ^ 7)
> +#else
> +#define BYTE(x)   (x)
> +#endif
> +
>   /*
>    * Here are the ordering rules of extension naming defined by RISC-V
>    * specification :
> @@ -183,6 +194,14 @@ const char * const riscv_fpr_regnames[] = {
>       "f30/ft10", "f31/ft11"
>   };
>   
> +const char * const riscv_rvv_regnames[] = {
> +  "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",
> +  "v7",  "v8",  "v9",  "v10", "v11", "v12", "v13",
> +  "v14", "v15", "v16", "v17", "v18", "v19", "v20",
> +  "v21", "v22", "v23", "v24", "v25", "v26", "v27",
> +  "v28", "v29", "v30", "v31"
> +};
> +
>   static const char * const riscv_excp_names[] = {
>       "misaligned_fetch",
>       "fault_fetch",
> @@ -608,7 +627,8 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>   {
>       RISCVCPU *cpu = RISCV_CPU(cs);
>       CPURISCVState *env = &cpu->env;
> -    int i;
> +    int i, j;
> +    uint8_t *p;
>   
>   #if !defined(CONFIG_USER_ONLY)
>       if (riscv_has_ext(env, RVH)) {
> @@ -692,6 +712,41 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>               }
>           }
>       }
> +    if (riscv_has_ext(env, RVV) && (flags & CPU_DUMP_VPU)) {
> +        static const int dump_rvv_csrs[] = {
> +                    CSR_VSTART,
> +                    CSR_VXSAT,
> +                    CSR_VXRM,
> +                    CSR_VCSR,
> +                    CSR_VL,
> +                    CSR_VTYPE,
> +                    CSR_VLENB,
> +                };
> +        for (int i = 0; i < ARRAY_SIZE(dump_rvv_csrs); ++i) {
> +            int csrno = dump_rvv_csrs[i];
> +            target_ulong val = 0;
> +            RISCVException res = riscv_csrrw_debug(env, csrno, &val, 0, 0);
> +
> +            /*
> +             * Rely on the smode, hmode, etc, predicates within csr.c
> +             * to do the filtering of the registers that are present.
> +             */
> +            if (res == RISCV_EXCP_NONE) {
> +                qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
> +                             csr_ops[csrno].name, val);
> +            }
> +        }
> +        uint16_t vlenb = cpu->cfg.vlen >> 3;
> +
> +        for (i = 0; i < 32; i++) {
> +            qemu_fprintf(f, " %-8s ", riscv_rvv_regnames[i]);
> +            p = (uint8_t *)env->vreg;
> +            for (j = vlenb - 1 ; j >= 0; j--) {
> +                qemu_fprintf(f, "%02x", *(p + i * vlenb + BYTE(j)));
> +            }
> +            qemu_fprintf(f, "\n");
> +        }
> +    }
>   }
>   
>   static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
Alistair Francis July 3, 2023, 2:28 a.m. UTC | #2
On Thu, Jun 29, 2023 at 6:39 PM Ivan Klokov <ivan.klokov@syntacore.com> wrote:
>
> Print RvV extension register to log if VPU option is enabled.
>
> Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>

Alistair

> ---
> v5:
>    - Fix typo, move macros out of function, direct access to cfg.vlen field.
> ---
>  target/riscv/cpu.c | 57 +++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 56 insertions(+), 1 deletion(-)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 881bddf393..ff29573b1f 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -55,6 +55,17 @@ struct isa_ext_data {
>  #define ISA_EXT_DATA_ENTRY(_name, _min_ver, _prop) \
>      {#_name, _min_ver, offsetof(struct RISCVCPUConfig, _prop)}
>
> +/*
> + * From vector_helper.c
> + * Note that vector data is stored in host-endian 64-bit chunks,
> + * so addressing bytes needs a host-endian fixup.
> + */
> +#if HOST_BIG_ENDIAN
> +#define BYTE(x)   ((x) ^ 7)
> +#else
> +#define BYTE(x)   (x)
> +#endif
> +
>  /*
>   * Here are the ordering rules of extension naming defined by RISC-V
>   * specification :
> @@ -183,6 +194,14 @@ const char * const riscv_fpr_regnames[] = {
>      "f30/ft10", "f31/ft11"
>  };
>
> +const char * const riscv_rvv_regnames[] = {
> +  "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",
> +  "v7",  "v8",  "v9",  "v10", "v11", "v12", "v13",
> +  "v14", "v15", "v16", "v17", "v18", "v19", "v20",
> +  "v21", "v22", "v23", "v24", "v25", "v26", "v27",
> +  "v28", "v29", "v30", "v31"
> +};
> +
>  static const char * const riscv_excp_names[] = {
>      "misaligned_fetch",
>      "fault_fetch",
> @@ -608,7 +627,8 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>  {
>      RISCVCPU *cpu = RISCV_CPU(cs);
>      CPURISCVState *env = &cpu->env;
> -    int i;
> +    int i, j;
> +    uint8_t *p;
>
>  #if !defined(CONFIG_USER_ONLY)
>      if (riscv_has_ext(env, RVH)) {
> @@ -692,6 +712,41 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>              }
>          }
>      }
> +    if (riscv_has_ext(env, RVV) && (flags & CPU_DUMP_VPU)) {
> +        static const int dump_rvv_csrs[] = {
> +                    CSR_VSTART,
> +                    CSR_VXSAT,
> +                    CSR_VXRM,
> +                    CSR_VCSR,
> +                    CSR_VL,
> +                    CSR_VTYPE,
> +                    CSR_VLENB,
> +                };
> +        for (int i = 0; i < ARRAY_SIZE(dump_rvv_csrs); ++i) {
> +            int csrno = dump_rvv_csrs[i];
> +            target_ulong val = 0;
> +            RISCVException res = riscv_csrrw_debug(env, csrno, &val, 0, 0);
> +
> +            /*
> +             * Rely on the smode, hmode, etc, predicates within csr.c
> +             * to do the filtering of the registers that are present.
> +             */
> +            if (res == RISCV_EXCP_NONE) {
> +                qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
> +                             csr_ops[csrno].name, val);
> +            }
> +        }
> +        uint16_t vlenb = cpu->cfg.vlen >> 3;
> +
> +        for (i = 0; i < 32; i++) {
> +            qemu_fprintf(f, " %-8s ", riscv_rvv_regnames[i]);
> +            p = (uint8_t *)env->vreg;
> +            for (j = vlenb - 1 ; j >= 0; j--) {
> +                qemu_fprintf(f, "%02x", *(p + i * vlenb + BYTE(j)));
> +            }
> +            qemu_fprintf(f, "\n");
> +        }
> +    }
>  }
>
>  static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
> --
> 2.34.1
>
>
Alistair Francis July 3, 2023, 2:37 a.m. UTC | #3
On Thu, Jun 29, 2023 at 6:39 PM Ivan Klokov <ivan.klokov@syntacore.com> wrote:
>
> Print RvV extension register to log if VPU option is enabled.
>
> Signed-off-by: Ivan Klokov <ivan.klokov@syntacore.com>

Thanks!

Applied to riscv-to-apply.next

Alistair

> ---
> v5:
>    - Fix typo, move macros out of function, direct access to cfg.vlen field.
> ---
>  target/riscv/cpu.c | 57 +++++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 56 insertions(+), 1 deletion(-)
>
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 881bddf393..ff29573b1f 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -55,6 +55,17 @@ struct isa_ext_data {
>  #define ISA_EXT_DATA_ENTRY(_name, _min_ver, _prop) \
>      {#_name, _min_ver, offsetof(struct RISCVCPUConfig, _prop)}
>
> +/*
> + * From vector_helper.c
> + * Note that vector data is stored in host-endian 64-bit chunks,
> + * so addressing bytes needs a host-endian fixup.
> + */
> +#if HOST_BIG_ENDIAN
> +#define BYTE(x)   ((x) ^ 7)
> +#else
> +#define BYTE(x)   (x)
> +#endif
> +
>  /*
>   * Here are the ordering rules of extension naming defined by RISC-V
>   * specification :
> @@ -183,6 +194,14 @@ const char * const riscv_fpr_regnames[] = {
>      "f30/ft10", "f31/ft11"
>  };
>
> +const char * const riscv_rvv_regnames[] = {
> +  "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",
> +  "v7",  "v8",  "v9",  "v10", "v11", "v12", "v13",
> +  "v14", "v15", "v16", "v17", "v18", "v19", "v20",
> +  "v21", "v22", "v23", "v24", "v25", "v26", "v27",
> +  "v28", "v29", "v30", "v31"
> +};
> +
>  static const char * const riscv_excp_names[] = {
>      "misaligned_fetch",
>      "fault_fetch",
> @@ -608,7 +627,8 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>  {
>      RISCVCPU *cpu = RISCV_CPU(cs);
>      CPURISCVState *env = &cpu->env;
> -    int i;
> +    int i, j;
> +    uint8_t *p;
>
>  #if !defined(CONFIG_USER_ONLY)
>      if (riscv_has_ext(env, RVH)) {
> @@ -692,6 +712,41 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
>              }
>          }
>      }
> +    if (riscv_has_ext(env, RVV) && (flags & CPU_DUMP_VPU)) {
> +        static const int dump_rvv_csrs[] = {
> +                    CSR_VSTART,
> +                    CSR_VXSAT,
> +                    CSR_VXRM,
> +                    CSR_VCSR,
> +                    CSR_VL,
> +                    CSR_VTYPE,
> +                    CSR_VLENB,
> +                };
> +        for (int i = 0; i < ARRAY_SIZE(dump_rvv_csrs); ++i) {
> +            int csrno = dump_rvv_csrs[i];
> +            target_ulong val = 0;
> +            RISCVException res = riscv_csrrw_debug(env, csrno, &val, 0, 0);
> +
> +            /*
> +             * Rely on the smode, hmode, etc, predicates within csr.c
> +             * to do the filtering of the registers that are present.
> +             */
> +            if (res == RISCV_EXCP_NONE) {
> +                qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
> +                             csr_ops[csrno].name, val);
> +            }
> +        }
> +        uint16_t vlenb = cpu->cfg.vlen >> 3;
> +
> +        for (i = 0; i < 32; i++) {
> +            qemu_fprintf(f, " %-8s ", riscv_rvv_regnames[i]);
> +            p = (uint8_t *)env->vreg;
> +            for (j = vlenb - 1 ; j >= 0; j--) {
> +                qemu_fprintf(f, "%02x", *(p + i * vlenb + BYTE(j)));
> +            }
> +            qemu_fprintf(f, "\n");
> +        }
> +    }
>  }
>
>  static void riscv_cpu_set_pc(CPUState *cs, vaddr value)
> --
> 2.34.1
>
>
diff mbox series

Patch

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 881bddf393..ff29573b1f 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -55,6 +55,17 @@  struct isa_ext_data {
 #define ISA_EXT_DATA_ENTRY(_name, _min_ver, _prop) \
     {#_name, _min_ver, offsetof(struct RISCVCPUConfig, _prop)}
 
+/*
+ * From vector_helper.c
+ * Note that vector data is stored in host-endian 64-bit chunks,
+ * so addressing bytes needs a host-endian fixup.
+ */
+#if HOST_BIG_ENDIAN
+#define BYTE(x)   ((x) ^ 7)
+#else
+#define BYTE(x)   (x)
+#endif
+
 /*
  * Here are the ordering rules of extension naming defined by RISC-V
  * specification :
@@ -183,6 +194,14 @@  const char * const riscv_fpr_regnames[] = {
     "f30/ft10", "f31/ft11"
 };
 
+const char * const riscv_rvv_regnames[] = {
+  "v0",  "v1",  "v2",  "v3",  "v4",  "v5",  "v6",
+  "v7",  "v8",  "v9",  "v10", "v11", "v12", "v13",
+  "v14", "v15", "v16", "v17", "v18", "v19", "v20",
+  "v21", "v22", "v23", "v24", "v25", "v26", "v27",
+  "v28", "v29", "v30", "v31"
+};
+
 static const char * const riscv_excp_names[] = {
     "misaligned_fetch",
     "fault_fetch",
@@ -608,7 +627,8 @@  static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 {
     RISCVCPU *cpu = RISCV_CPU(cs);
     CPURISCVState *env = &cpu->env;
-    int i;
+    int i, j;
+    uint8_t *p;
 
 #if !defined(CONFIG_USER_ONLY)
     if (riscv_has_ext(env, RVH)) {
@@ -692,6 +712,41 @@  static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags)
             }
         }
     }
+    if (riscv_has_ext(env, RVV) && (flags & CPU_DUMP_VPU)) {
+        static const int dump_rvv_csrs[] = {
+                    CSR_VSTART,
+                    CSR_VXSAT,
+                    CSR_VXRM,
+                    CSR_VCSR,
+                    CSR_VL,
+                    CSR_VTYPE,
+                    CSR_VLENB,
+                };
+        for (int i = 0; i < ARRAY_SIZE(dump_rvv_csrs); ++i) {
+            int csrno = dump_rvv_csrs[i];
+            target_ulong val = 0;
+            RISCVException res = riscv_csrrw_debug(env, csrno, &val, 0, 0);
+
+            /*
+             * Rely on the smode, hmode, etc, predicates within csr.c
+             * to do the filtering of the registers that are present.
+             */
+            if (res == RISCV_EXCP_NONE) {
+                qemu_fprintf(f, " %-8s " TARGET_FMT_lx "\n",
+                             csr_ops[csrno].name, val);
+            }
+        }
+        uint16_t vlenb = cpu->cfg.vlen >> 3;
+
+        for (i = 0; i < 32; i++) {
+            qemu_fprintf(f, " %-8s ", riscv_rvv_regnames[i]);
+            p = (uint8_t *)env->vreg;
+            for (j = vlenb - 1 ; j >= 0; j--) {
+                qemu_fprintf(f, "%02x", *(p + i * vlenb + BYTE(j)));
+            }
+            qemu_fprintf(f, "\n");
+        }
+    }
 }
 
 static void riscv_cpu_set_pc(CPUState *cs, vaddr value)