Reorganize the CPUPPCState structure to group features.

Add #ifdef to avoid compiling not relevant resources:
- MMU related stuff for user-mode only targets
- PowerPC 64 only resources for PowerPC 32 targets
- embedded PowerPC extensions for non-ppcemb targets.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3343 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 21 insertions, 16 deletions

diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 8a24d4d06..e2d51ec07 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -495,9 +495,14 @@ struct CPUPPCState {
     int access_type; /* when a memory exception occurs, the access
                         type is stored here */
 
-    /* MMU context */
+    /* MMU context - only relevant for full system emulation */
+#if !defined(CONFIG_USER_ONLY)
+#if defined(TARGET_PPC64)
     /* Address space register */
     target_ulong asr;
+    /* PowerPC 64 SLB area */
+    int slb_nr;
+#endif
     /* segment registers */
     target_ulong sdr1;
     target_ulong sr[16];
@@ -505,17 +510,31 @@ struct CPUPPCState {
     int nb_BATs;
     target_ulong DBAT[2][8];
     target_ulong IBAT[2][8];
+    /* PowerPC TLB registers (for 4xx and 60x software driven TLBs) */
+    int nb_tlb;      /* Total number of TLB                                  */
+    int tlb_per_way; /* Speed-up helper: used to avoid divisions at run time */
+    int nb_ways;     /* Number of ways in the TLB set                        */
+    int last_way;    /* Last used way used to allocate TLB in a LRU way      */
+    int id_tlbs;     /* If 1, MMU has separated TLBs for instructions & data */
+    int nb_pids;     /* Number of available PID registers                    */
+    ppc_tlb_t *tlb;  /* TLB is optional. Allocate them only if needed        */
+    /* 403 dedicated access protection registers */
+    target_ulong pb[4];
+#endif
 
     /* Other registers */
     /* Special purpose registers */
     target_ulong spr[1024];
+    ppc_spr_t spr_cb[1024];
     /* Altivec registers */
     ppc_avr_t avr[32];
     uint32_t vscr;
+#if defined(TARGET_PPCEMB)
     /* SPE registers */
     ppc_gpr_t spe_acc;
     float_status spe_status;
     uint32_t spe_fscr;
+#endif
 
     /* Internal devices resources */
     /* Time base and decrementer */
@@ -523,19 +542,6 @@ struct CPUPPCState {
     /* Device control registers */
     ppc_dcr_t *dcr_env;
 
-    /* PowerPC TLB registers (for 4xx and 60x software driven TLBs) */
-    int nb_tlb;      /* Total number of TLB                                  */
-    int tlb_per_way; /* Speed-up helper: used to avoid divisions at run time */
-    int nb_ways;     /* Number of ways in the TLB set                        */
-    int last_way;    /* Last used way used to allocate TLB in a LRU way      */
-    int id_tlbs;     /* If 1, MMU has separated TLBs for instructions & data */
-    int nb_pids;     /* Number of available PID registers                    */
-    ppc_tlb_t *tlb;  /* TLB is optional. Allocate them only if needed        */
-    /* 403 dedicated access protection registers */
-    target_ulong pb[4];
-    /* PowerPC 64 SLB area */
-    int slb_nr;
-
     int dcache_line_size;
     int icache_line_size;
 
@@ -570,8 +576,7 @@ struct CPUPPCState {
     /* Those resources are used only during code translation */
     /* Next instruction pointer */
     target_ulong nip;
-    /* SPR translation callbacks */
-    ppc_spr_t spr_cb[1024];
+
     /* opcode handlers */
     opc_handler_t *opcodes[0x40];