diff mbox series

[v9,2/5] riscv: Change type of valid_vm_1_10_[32|64] to bool

Message ID 20230131133906.1956228-3-alexghiti@rivosinc.com (mailing list archive)
State New, archived
Headers show
Series riscv: Allow user to set the satp mode | expand

Commit Message

Alexandre Ghiti Jan. 31, 2023, 1:39 p.m. UTC
This array is actually used as a boolean so swap its current char type
to a boolean and at the same time, change the type of validate_vm to
bool since it returns valid_vm_1_10_[32|64].

Suggested-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
---
 target/riscv/csr.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

Comments

Frank Chang Feb. 1, 2023, 1:21 p.m. UTC | #1
Reviewed-by: Frank Chang <frank.chang@sifive.com>

On Tue, Jan 31, 2023 at 10:29 PM Alexandre Ghiti <alexghiti@rivosinc.com>
wrote:

> This array is actually used as a boolean so swap its current char type
> to a boolean and at the same time, change the type of validate_vm to
> bool since it returns valid_vm_1_10_[32|64].
>
> Suggested-by: Andrew Jones <ajones@ventanamicro.com>
> Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
> Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
> Reviewed-by: Bin Meng <bmeng@tinylab.org>
> ---
>  target/riscv/csr.c | 21 +++++++++++----------
>  1 file changed, 11 insertions(+), 10 deletions(-)
>
> diff --git a/target/riscv/csr.c b/target/riscv/csr.c
> index 0db2c233e5..6b157806a5 100644
> --- a/target/riscv/csr.c
> +++ b/target/riscv/csr.c
> @@ -1117,16 +1117,16 @@ static const target_ulong hip_writable_mask =
> MIP_VSSIP;
>  static const target_ulong hvip_writable_mask = MIP_VSSIP | MIP_VSTIP |
> MIP_VSEIP;
>  static const target_ulong vsip_writable_mask = MIP_VSSIP;
>
> -static const char valid_vm_1_10_32[16] = {
> -    [VM_1_10_MBARE] = 1,
> -    [VM_1_10_SV32] = 1
> +static const bool valid_vm_1_10_32[16] = {
> +    [VM_1_10_MBARE] = true,
> +    [VM_1_10_SV32] = true
>  };
>
> -static const char valid_vm_1_10_64[16] = {
> -    [VM_1_10_MBARE] = 1,
> -    [VM_1_10_SV39] = 1,
> -    [VM_1_10_SV48] = 1,
> -    [VM_1_10_SV57] = 1
> +static const bool valid_vm_1_10_64[16] = {
> +    [VM_1_10_MBARE] = true,
> +    [VM_1_10_SV39] = true,
> +    [VM_1_10_SV48] = true,
> +    [VM_1_10_SV57] = true
>  };
>
>  /* Machine Information Registers */
> @@ -1209,7 +1209,7 @@ static RISCVException read_mstatus(CPURISCVState
> *env, int csrno,
>      return RISCV_EXCP_NONE;
>  }
>
> -static int validate_vm(CPURISCVState *env, target_ulong vm)
> +static bool validate_vm(CPURISCVState *env, target_ulong vm)
>  {
>      if (riscv_cpu_mxl(env) == MXL_RV32) {
>          return valid_vm_1_10_32[vm & 0xf];
> @@ -2648,7 +2648,8 @@ static RISCVException read_satp(CPURISCVState *env,
> int csrno,
>  static RISCVException write_satp(CPURISCVState *env, int csrno,
>                                   target_ulong val)
>  {
> -    target_ulong vm, mask;
> +    target_ulong mask;
> +    bool vm;
>
>      if (!riscv_feature(env, RISCV_FEATURE_MMU)) {
>          return RISCV_EXCP_NONE;
> --
> 2.37.2
>
>
>
diff mbox series

Patch

diff --git a/target/riscv/csr.c b/target/riscv/csr.c
index 0db2c233e5..6b157806a5 100644
--- a/target/riscv/csr.c
+++ b/target/riscv/csr.c
@@ -1117,16 +1117,16 @@  static const target_ulong hip_writable_mask = MIP_VSSIP;
 static const target_ulong hvip_writable_mask = MIP_VSSIP | MIP_VSTIP | MIP_VSEIP;
 static const target_ulong vsip_writable_mask = MIP_VSSIP;
 
-static const char valid_vm_1_10_32[16] = {
-    [VM_1_10_MBARE] = 1,
-    [VM_1_10_SV32] = 1
+static const bool valid_vm_1_10_32[16] = {
+    [VM_1_10_MBARE] = true,
+    [VM_1_10_SV32] = true
 };
 
-static const char valid_vm_1_10_64[16] = {
-    [VM_1_10_MBARE] = 1,
-    [VM_1_10_SV39] = 1,
-    [VM_1_10_SV48] = 1,
-    [VM_1_10_SV57] = 1
+static const bool valid_vm_1_10_64[16] = {
+    [VM_1_10_MBARE] = true,
+    [VM_1_10_SV39] = true,
+    [VM_1_10_SV48] = true,
+    [VM_1_10_SV57] = true
 };
 
 /* Machine Information Registers */
@@ -1209,7 +1209,7 @@  static RISCVException read_mstatus(CPURISCVState *env, int csrno,
     return RISCV_EXCP_NONE;
 }
 
-static int validate_vm(CPURISCVState *env, target_ulong vm)
+static bool validate_vm(CPURISCVState *env, target_ulong vm)
 {
     if (riscv_cpu_mxl(env) == MXL_RV32) {
         return valid_vm_1_10_32[vm & 0xf];
@@ -2648,7 +2648,8 @@  static RISCVException read_satp(CPURISCVState *env, int csrno,
 static RISCVException write_satp(CPURISCVState *env, int csrno,
                                  target_ulong val)
 {
-    target_ulong vm, mask;
+    target_ulong mask;
+    bool vm;
 
     if (!riscv_feature(env, RISCV_FEATURE_MMU)) {
         return RISCV_EXCP_NONE;