diff mbox series

[v2,3/8] target/sparc: Define an enumeration for accessing env->regwptr

Message ID 20190510032710.23910-4-richard.henderson@linaro.org
State Superseded
Headers show
Series linux-user sparc fixes | expand

Commit Message

Richard Henderson May 10, 2019, 3:27 a.m. UTC
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/sparc/cpu.h | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

-- 
2.17.1

Comments

Philippe Mathieu-Daudé May 15, 2019, 5:44 a.m. UTC | #1
Hi Richard,

On 5/10/19 5:27 AM, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  target/sparc/cpu.h | 33 +++++++++++++++++++++++++++++++++

>  1 file changed, 33 insertions(+)

> 

> diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h

> index 85b9665ccc..08f7d1a3c6 100644

> --- a/target/sparc/cpu.h

> +++ b/target/sparc/cpu.h

> @@ -31,6 +31,39 @@

>  

>  /*#define EXCP_INTERRUPT 0x100*/

>  

> +/* Windowed register indexes.  */

> +enum {

> +    WREG_O0,

> +    WREG_O1,

> +    WREG_O2,

> +    WREG_O3,

> +    WREG_O4,

> +    WREG_O5,

> +    WREG_O6,

> +    WREG_O7,

> +

> +    WREG_L0,

> +    WREG_L1,

> +    WREG_L2,

> +    WREG_L3,

> +    WREG_L4,

> +    WREG_L5,

> +    WREG_L6,

> +    WREG_L7,

> +

> +    WREG_I0,

> +    WREG_I1,

> +    WREG_I2,

> +    WREG_I3,

> +    WREG_I4,

> +    WREG_I5,

> +    WREG_I6,

> +    WREG_I7,


I'd feel safer if you initialize those enums (better safe than sorry!).

> +

> +    WREG_SP = WREG_O6,

> +    WREG_FP = WREG_I6,

> +};

> +

>  /* trap definitions */

>  #ifndef TARGET_SPARC64

>  #define TT_TFAULT   0x01

>
Richard Henderson May 20, 2019, 3:09 a.m. UTC | #2
On 5/14/19 10:44 PM, Philippe Mathieu-Daudé wrote:
>> +/* Windowed register indexes.  */

>> +enum {

>> +    WREG_O0,

>> +    WREG_O1,

>> +    WREG_O2,

>> +    WREG_O3,

>> +    WREG_O4,

>> +    WREG_O5,

>> +    WREG_O6,

>> +    WREG_O7,

>> +

>> +    WREG_L0,

>> +    WREG_L1,

>> +    WREG_L2,

>> +    WREG_L3,

>> +    WREG_L4,

>> +    WREG_L5,

>> +    WREG_L6,

>> +    WREG_L7,

>> +

>> +    WREG_I0,

>> +    WREG_I1,

>> +    WREG_I2,

>> +    WREG_I3,

>> +    WREG_I4,

>> +    WREG_I5,

>> +    WREG_I6,

>> +    WREG_I7,

> 

> I'd feel safer if you initialize those enums (better safe than sorry!).


What are you suggesting?  This is how C works, and always has...


r~
diff mbox series

Patch

diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h
index 85b9665ccc..08f7d1a3c6 100644
--- a/target/sparc/cpu.h
+++ b/target/sparc/cpu.h
@@ -31,6 +31,39 @@ 
 
 /*#define EXCP_INTERRUPT 0x100*/
 
+/* Windowed register indexes.  */
+enum {
+    WREG_O0,
+    WREG_O1,
+    WREG_O2,
+    WREG_O3,
+    WREG_O4,
+    WREG_O5,
+    WREG_O6,
+    WREG_O7,
+
+    WREG_L0,
+    WREG_L1,
+    WREG_L2,
+    WREG_L3,
+    WREG_L4,
+    WREG_L5,
+    WREG_L6,
+    WREG_L7,
+
+    WREG_I0,
+    WREG_I1,
+    WREG_I2,
+    WREG_I3,
+    WREG_I4,
+    WREG_I5,
+    WREG_I6,
+    WREG_I7,
+
+    WREG_SP = WREG_O6,
+    WREG_FP = WREG_I6,
+};
+
 /* trap definitions */
 #ifndef TARGET_SPARC64
 #define TT_TFAULT   0x01