On 4/30/21 12:35 PM, Bruno Larsen (billionai) wrote:
moved RW callback parameters of _spr_register into an ifdef, to support
building without TCG in the future, and added definitions for
spr_register and spr_register_kvm, to keep the same call regardless of
build options

Signed-off-by: Bruno Larsen (billionai) <bruno.lar...@eldorado.org.br>
---
  target/ppc/translate_init.c.inc | 26 +++++++++++++++++++++-----
  1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/target/ppc/translate_init.c.inc b/target/ppc/translate_init.c.inc
index 6235eb7536..22b23793fd 100644
--- a/target/ppc/translate_init.c.inc
+++ b/target/ppc/translate_init.c.inc
@@ -720,6 +720,7 @@ static inline void vscr_init(CPUPPCState *env, uint32_t val)
      helper_mtvscr(env, val);
  }
+#ifdef CONFIG_TCG
  #ifdef CONFIG_USER_ONLY
  #define spr_register_kvm(env, num, name, uea_read, uea_write,                 
 \
                           oea_read, oea_write, one_reg_id, initial_value)      
 \
@@ -728,7 +729,7 @@ static inline void vscr_init(CPUPPCState *env, uint32_t val)
                              oea_read, oea_write, hea_read, hea_write,         
 \
                              one_reg_id, initial_value)                        
 \
      _spr_register(env, num, name, uea_read, uea_write, initial_value)
-#else
+#else /* CONFIG_USER_ONLY */
  #if !defined(CONFIG_KVM)
  #define spr_register_kvm(env, num, name, uea_read, uea_write,                 
 \
                           oea_read, oea_write, one_reg_id, initial_value)      
 \
@@ -739,7 +740,7 @@ static inline void vscr_init(CPUPPCState *env, uint32_t val)
                              one_reg_id, initial_value)                        
 \
      _spr_register(env, num, name, uea_read, uea_write,                        
 \
                    oea_read, oea_write, hea_read, hea_write, initial_value)
-#else
+#else /* CONFIG_KVM */
  #define spr_register_kvm(env, num, name, uea_read, uea_write,                 
 \
                           oea_read, oea_write, one_reg_id, initial_value)      
 \
      _spr_register(env, num, name, uea_read, uea_write,                        
 \
@@ -751,8 +752,21 @@ static inline void vscr_init(CPUPPCState *env, uint32_t 
val)
      _spr_register(env, num, name, uea_read, uea_write,                        
 \
                    oea_read, oea_write, hea_read, hea_write,                   
 \
                    one_reg_id, initial_value)
-#endif
-#endif
+#endif /* CONFIG_KVM */
+#endif /* CONFIG_USER_ONLY */
+#else /* CONFIG_TCG */
+#ifdef CONFIG_KVM /* sanity check. should always enter this */
+#define spr_register_kvm(env, num, name, uea_read, uea_write,                  
\
+                         oea_read, oea_write, one_reg_id, initial_value)       
\
+    _spr_register(env, num, name, one_reg_id, initial_value)
+#define spr_register_kvm_hv(env, num, name, uea_read, uea_write,               
\
+                            oea_read, oea_write, hea_read, hea_write,          
\
+                            one_reg_id, initial_value)                         
\
+    _spr_register(env, num, name, one_reg_id, initial_value)
+#else /* CONFIG_KVM */
+#error "Either TCG or KVM should be configured"
+#endif /* CONFIG_KVM */
+#endif /* CONFIG_TCG */

I think this ifdef tree, and the repetition, is unnecessarily confusing. How about something like this?

r~
diff --git a/target/ppc/translate_init.c.inc b/target/ppc/translate_init.c.inc
index 22b23793fd..1e1539f929 100644
--- a/target/ppc/translate_init.c.inc
+++ b/target/ppc/translate_init.c.inc
@@ -721,52 +721,34 @@ static inline void vscr_init(CPUPPCState *env, uint32_t 
val)
 }
 
 #ifdef CONFIG_TCG
-#ifdef CONFIG_USER_ONLY
+# define U(X)   X,
+# ifndef CONFIG_USER_ONLY
+#  define S(X)  X,
+# else
+#  define S(X)
+# endif
+#else
+# define U(X)
+# define S(X)
+#endif
+#ifdef CONFIG_KVM
+# define K(X)   X,
+#else
+# define K(X)
+#endif
+
 #define spr_register_kvm(env, num, name, uea_read, uea_write,                  
\
                          oea_read, oea_write, one_reg_id, initial_value)       
\
-    _spr_register(env, num, name, uea_read, uea_write, initial_value)
+    _spr_register(env, num, name, U(uea_read) U(uea_write)                     
\
+                  S(oea_read) S(oea_write) S(oea_read) S(oea_write)            
\
+                  K(one_reg_id) initial_value)
+
 #define spr_register_kvm_hv(env, num, name, uea_read, uea_write,               
\
                             oea_read, oea_write, hea_read, hea_write,          
\
                             one_reg_id, initial_value)                         
\
-    _spr_register(env, num, name, uea_read, uea_write, initial_value)
-#else /* CONFIG_USER_ONLY */
-#if !defined(CONFIG_KVM)
-#define spr_register_kvm(env, num, name, uea_read, uea_write,                  
\
-                         oea_read, oea_write, one_reg_id, initial_value)       
\
-    _spr_register(env, num, name, uea_read, uea_write,                         
\
-                  oea_read, oea_write, oea_read, oea_write, initial_value)
-#define spr_register_kvm_hv(env, num, name, uea_read, uea_write,               
\
-                            oea_read, oea_write, hea_read, hea_write,          
\
-                            one_reg_id, initial_value)                         
\
-    _spr_register(env, num, name, uea_read, uea_write,                         
\
-                  oea_read, oea_write, hea_read, hea_write, initial_value)
-#else /* CONFIG_KVM */
-#define spr_register_kvm(env, num, name, uea_read, uea_write,                  
\
-                         oea_read, oea_write, one_reg_id, initial_value)       
\
-    _spr_register(env, num, name, uea_read, uea_write,                         
\
-                  oea_read, oea_write, oea_read, oea_write,                    
\
-                  one_reg_id, initial_value)
-#define spr_register_kvm_hv(env, num, name, uea_read, uea_write,               
\
-                            oea_read, oea_write, hea_read, hea_write,          
\
-                            one_reg_id, initial_value)                         
\
-    _spr_register(env, num, name, uea_read, uea_write,                         
\
-                  oea_read, oea_write, hea_read, hea_write,                    
\
-                  one_reg_id, initial_value)
-#endif /* CONFIG_KVM */
-#endif /* CONFIG_USER_ONLY */
-#else /* CONFIG_TCG */
-#ifdef CONFIG_KVM /* sanity check. should always enter this */
-#define spr_register_kvm(env, num, name, uea_read, uea_write,                  
\
-                         oea_read, oea_write, one_reg_id, initial_value)       
\
-    _spr_register(env, num, name, one_reg_id, initial_value)
-#define spr_register_kvm_hv(env, num, name, uea_read, uea_write,               
\
-                            oea_read, oea_write, hea_read, hea_write,          
\
-                            one_reg_id, initial_value)                         
\
-    _spr_register(env, num, name, one_reg_id, initial_value)
-#else /* CONFIG_KVM */
-#error "Either TCG or KVM should be configured"
-#endif /* CONFIG_KVM */
-#endif /* CONFIG_TCG */
+    _spr_register(env, num, name, U(uea_read) U(uea_write)                     
\
+                  S(oea_read) S(oea_write) S(hea_read) S(hea_write)            
\
+                  K(one_reg_id) initial_value)
 
 #define spr_register(env, num, name, uea_read, uea_write,                      
\
                      oea_read, oea_write, initial_value)                       
\

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