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[Qemu-devel] [RFC PATCH v5 11/31] From 7abf2f72777958d395cfd01d97fe707cc


From: Pavel Dovgalyuk
Subject: [Qemu-devel] [RFC PATCH v5 11/31] From 7abf2f72777958d395cfd01d97fe707cc06152b5 Mon Sep 17 00:00:00 2001
Date: Wed, 26 Nov 2014 13:39:48 +0300
User-agent: StGit/0.16

From: Paolo Bonzini <address@hidden>

Subject: [PATCH] target-ppc: pass DisasContext to SPR generator functions

Signed-off-by: Paolo Bonzini <address@hidden>

Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
 target-ppc/cpu.h            |   13 +-
 target-ppc/translate.c      |   10 +-
 target-ppc/translate_init.c |  247 +++++++++++++++++++++----------------------
 3 files changed, 133 insertions(+), 137 deletions(-)

diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 8724561..21deddf 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -320,6 +320,7 @@ typedef struct opc_handler_t opc_handler_t;
 /*****************************************************************************/
 /* Types used to describe some PowerPC registers */
 typedef struct CPUPPCState CPUPPCState;
+typedef struct DisasContext DisasContext;
 typedef struct ppc_tb_t ppc_tb_t;
 typedef struct ppc_spr_t ppc_spr_t;
 typedef struct ppc_dcr_t ppc_dcr_t;
@@ -328,13 +329,13 @@ typedef union ppc_tlb_t ppc_tlb_t;
 
 /* SPR access micro-ops generations callbacks */
 struct ppc_spr_t {
-    void (*uea_read)(void *opaque, int gpr_num, int spr_num);
-    void (*uea_write)(void *opaque, int spr_num, int gpr_num);
+    void (*uea_read)(DisasContext *ctx, int gpr_num, int spr_num);
+    void (*uea_write)(DisasContext *ctx, int spr_num, int gpr_num);
 #if !defined(CONFIG_USER_ONLY)
-    void (*oea_read)(void *opaque, int gpr_num, int spr_num);
-    void (*oea_write)(void *opaque, int spr_num, int gpr_num);
-    void (*hea_read)(void *opaque, int gpr_num, int spr_num);
-    void (*hea_write)(void *opaque, int spr_num, int gpr_num);
+    void (*oea_read)(DisasContext *ctx, int gpr_num, int spr_num);
+    void (*oea_write)(DisasContext *ctx, int spr_num, int gpr_num);
+    void (*hea_read)(DisasContext *ctx, int gpr_num, int spr_num);
+    void (*hea_write)(DisasContext *ctx, int spr_num, int gpr_num);
 #endif
     const char *name;
     target_ulong default_value;
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index d03daea..439f7f0 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -183,7 +183,7 @@ void ppc_translate_init(void)
 }
 
 /* internal defines */
-typedef struct DisasContext {
+struct DisasContext {
     struct TranslationBlock *tb;
     target_ulong nip;
     uint32_t opcode;
@@ -206,7 +206,7 @@ typedef struct DisasContext {
     int singlestep_enabled;
     uint64_t insns_flags;
     uint64_t insns_flags2;
-} DisasContext;
+};
 
 /* Return true iff byteswap is needed in a scalar memop */
 static inline bool need_byteswap(const DisasContext *ctx)
@@ -4221,7 +4221,7 @@ static void gen_mfmsr(DisasContext *ctx)
 #endif
 }
 
-static void spr_noaccess(void *opaque, int gprn, int sprn)
+static void spr_noaccess(DisasContext *ctx, int gprn, int sprn)
 {
 #if 0
     sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
@@ -4233,7 +4233,7 @@ static void spr_noaccess(void *opaque, int gprn, int sprn)
 /* mfspr */
 static inline void gen_op_mfspr(DisasContext *ctx)
 {
-    void (*read_cb)(void *opaque, int gprn, int sprn);
+    void (*read_cb)(DisasContext *ctx, int gprn, int sprn);
     uint32_t sprn = SPR(ctx->opcode);
 
 #if !defined(CONFIG_USER_ONLY)
@@ -4384,7 +4384,7 @@ static void gen_mtmsr(DisasContext *ctx)
 /* mtspr */
 static void gen_mtspr(DisasContext *ctx)
 {
-    void (*write_cb)(void *opaque, int sprn, int gprn);
+    void (*write_cb)(DisasContext *ctx, int sprn, int gprn);
     uint32_t sprn = SPR(ctx->opcode);
 
 #if !defined(CONFIG_USER_ONLY)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 33fb4cc..c7ca95e 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -65,7 +65,7 @@ static void spr_load_dump_spr(int sprn)
 #endif
 }
 
-static void spr_read_generic (void *opaque, int gprn, int sprn)
+static void spr_read_generic (DisasContext *ctx, int gprn, int sprn)
 {
     gen_load_spr(cpu_gpr[gprn], sprn);
     spr_load_dump_spr(sprn);
@@ -80,14 +80,14 @@ static void spr_store_dump_spr(int sprn)
 #endif
 }
 
-static void spr_write_generic (void *opaque, int sprn, int gprn)
+static void spr_write_generic (DisasContext *ctx, int sprn, int gprn)
 {
     gen_store_spr(sprn, cpu_gpr[gprn]);
     spr_store_dump_spr(sprn);
 }
 
 #if !defined(CONFIG_USER_ONLY)
-static void spr_write_generic32(void *opaque, int sprn, int gprn)
+static void spr_write_generic32(DisasContext *ctx, int sprn, int gprn)
 {
 #ifdef TARGET_PPC64
     TCGv t0 = tcg_temp_new();
@@ -96,11 +96,11 @@ static void spr_write_generic32(void *opaque, int sprn, int 
gprn)
     tcg_temp_free(t0);
     spr_store_dump_spr(sprn);
 #else
-    spr_write_generic(opaque, sprn, gprn);
+    spr_write_generic(ctx, sprn, gprn);
 #endif
 }
 
-static void spr_write_clear (void *opaque, int sprn, int gprn)
+static void spr_write_clear (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv t0 = tcg_temp_new();
     TCGv t1 = tcg_temp_new();
@@ -112,7 +112,7 @@ static void spr_write_clear (void *opaque, int sprn, int 
gprn)
     tcg_temp_free(t1);
 }
 
-static void spr_access_nop(void *opaque, int sprn, int gprn)
+static void spr_access_nop(DisasContext *ctx, int sprn, int gprn)
 {
 }
 
@@ -120,47 +120,47 @@ static void spr_access_nop(void *opaque, int sprn, int 
gprn)
 
 /* SPR common to all PowerPC */
 /* XER */
-static void spr_read_xer (void *opaque, int gprn, int sprn)
+static void spr_read_xer (DisasContext *ctx, int gprn, int sprn)
 {
     gen_read_xer(cpu_gpr[gprn]);
 }
 
-static void spr_write_xer (void *opaque, int sprn, int gprn)
+static void spr_write_xer (DisasContext *ctx, int sprn, int gprn)
 {
     gen_write_xer(cpu_gpr[gprn]);
 }
 
 /* LR */
-static void spr_read_lr (void *opaque, int gprn, int sprn)
+static void spr_read_lr (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_mov_tl(cpu_gpr[gprn], cpu_lr);
 }
 
-static void spr_write_lr (void *opaque, int sprn, int gprn)
+static void spr_write_lr (DisasContext *ctx, int sprn, int gprn)
 {
     tcg_gen_mov_tl(cpu_lr, cpu_gpr[gprn]);
 }
 
 /* CFAR */
 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
-static void spr_read_cfar (void *opaque, int gprn, int sprn)
+static void spr_read_cfar (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_mov_tl(cpu_gpr[gprn], cpu_cfar);
 }
 
-static void spr_write_cfar (void *opaque, int sprn, int gprn)
+static void spr_write_cfar (DisasContext *ctx, int sprn, int gprn)
 {
     tcg_gen_mov_tl(cpu_cfar, cpu_gpr[gprn]);
 }
 #endif /* defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY) */
 
 /* CTR */
-static void spr_read_ctr (void *opaque, int gprn, int sprn)
+static void spr_read_ctr (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_mov_tl(cpu_gpr[gprn], cpu_ctr);
 }
 
-static void spr_write_ctr (void *opaque, int sprn, int gprn)
+static void spr_write_ctr (DisasContext *ctx, int sprn, int gprn)
 {
     tcg_gen_mov_tl(cpu_ctr, cpu_gpr[gprn]);
 }
@@ -171,13 +171,13 @@ static void spr_write_ctr (void *opaque, int sprn, int 
gprn)
 /* UPMCx */
 /* USIA */
 /* UDECR */
-static void spr_read_ureg (void *opaque, int gprn, int sprn)
+static void spr_read_ureg (DisasContext *ctx, int gprn, int sprn)
 {
     gen_load_spr(cpu_gpr[gprn], sprn + 0x10);
 }
 
 #if defined(TARGET_PPC64) && !defined(CONFIG_USER_ONLY)
-static void spr_write_ureg(void *opaque, int sprn, int gprn)
+static void spr_write_ureg(DisasContext *ctx, int sprn, int gprn)
 {
     gen_store_spr(sprn + 0x10, cpu_gpr[gprn]);
 }
@@ -186,7 +186,7 @@ static void spr_write_ureg(void *opaque, int sprn, int gprn)
 /* SPR common to all non-embedded PowerPC */
 /* DECR */
 #if !defined(CONFIG_USER_ONLY)
-static void spr_read_decr (void *opaque, int gprn, int sprn)
+static void spr_read_decr (DisasContext *ctx, int gprn, int sprn)
 {
     if (use_icount) {
         gen_io_start();
@@ -194,11 +194,11 @@ static void spr_read_decr (void *opaque, int gprn, int 
sprn)
     gen_helper_load_decr(cpu_gpr[gprn], cpu_env);
     if (use_icount) {
         gen_io_end();
-        gen_stop_exception(opaque);
+        gen_stop_exception(ctx);
     }
 }
 
-static void spr_write_decr (void *opaque, int sprn, int gprn)
+static void spr_write_decr (DisasContext *ctx, int sprn, int gprn)
 {
     if (use_icount) {
         gen_io_start();
@@ -206,14 +206,14 @@ static void spr_write_decr (void *opaque, int sprn, int 
gprn)
     gen_helper_store_decr(cpu_env, cpu_gpr[gprn]);
     if (use_icount) {
         gen_io_end();
-        gen_stop_exception(opaque);
+        gen_stop_exception(ctx);
     }
 }
 #endif
 
 /* SPR common to all non-embedded PowerPC, except 601 */
 /* Time base */
-static void spr_read_tbl (void *opaque, int gprn, int sprn)
+static void spr_read_tbl (DisasContext *ctx, int gprn, int sprn)
 {
     if (use_icount) {
         gen_io_start();
@@ -221,11 +221,11 @@ static void spr_read_tbl (void *opaque, int gprn, int 
sprn)
     gen_helper_load_tbl(cpu_gpr[gprn], cpu_env);
     if (use_icount) {
         gen_io_end();
-        gen_stop_exception(opaque);
+        gen_stop_exception(ctx);
     }
 }
 
-static void spr_read_tbu (void *opaque, int gprn, int sprn)
+static void spr_read_tbu (DisasContext *ctx, int gprn, int sprn)
 {
     if (use_icount) {
         gen_io_start();
@@ -233,24 +233,24 @@ static void spr_read_tbu (void *opaque, int gprn, int 
sprn)
     gen_helper_load_tbu(cpu_gpr[gprn], cpu_env);
     if (use_icount) {
         gen_io_end();
-        gen_stop_exception(opaque);
+        gen_stop_exception(ctx);
     }
 }
 
 __attribute__ (( unused ))
-static void spr_read_atbl (void *opaque, int gprn, int sprn)
+static void spr_read_atbl (DisasContext *ctx, int gprn, int sprn)
 {
     gen_helper_load_atbl(cpu_gpr[gprn], cpu_env);
 }
 
 __attribute__ (( unused ))
-static void spr_read_atbu (void *opaque, int gprn, int sprn)
+static void spr_read_atbu (DisasContext *ctx, int gprn, int sprn)
 {
     gen_helper_load_atbu(cpu_gpr[gprn], cpu_env);
 }
 
 #if !defined(CONFIG_USER_ONLY)
-static void spr_write_tbl (void *opaque, int sprn, int gprn)
+static void spr_write_tbl (DisasContext *ctx, int sprn, int gprn)
 {
     if (use_icount) {
         gen_io_start();
@@ -258,11 +258,11 @@ static void spr_write_tbl (void *opaque, int sprn, int 
gprn)
     gen_helper_store_tbl(cpu_env, cpu_gpr[gprn]);
     if (use_icount) {
         gen_io_end();
-        gen_stop_exception(opaque);
+        gen_stop_exception(ctx);
     }
 }
 
-static void spr_write_tbu (void *opaque, int sprn, int gprn)
+static void spr_write_tbu (DisasContext *ctx, int sprn, int gprn)
 {
     if (use_icount) {
         gen_io_start();
@@ -270,25 +270,25 @@ static void spr_write_tbu (void *opaque, int sprn, int 
gprn)
     gen_helper_store_tbu(cpu_env, cpu_gpr[gprn]);
     if (use_icount) {
         gen_io_end();
-        gen_stop_exception(opaque);
+        gen_stop_exception(ctx);
     }
 }
 
 __attribute__ (( unused ))
-static void spr_write_atbl (void *opaque, int sprn, int gprn)
+static void spr_write_atbl (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_atbl(cpu_env, cpu_gpr[gprn]);
 }
 
 __attribute__ (( unused ))
-static void spr_write_atbu (void *opaque, int sprn, int gprn)
+static void spr_write_atbu (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_atbu(cpu_env, cpu_gpr[gprn]);
 }
 
 #if defined(TARGET_PPC64)
 __attribute__ (( unused ))
-static void spr_read_purr (void *opaque, int gprn, int sprn)
+static void spr_read_purr (DisasContext *ctx, int gprn, int sprn)
 {
     gen_helper_load_purr(cpu_gpr[gprn], cpu_env);
 }
@@ -298,38 +298,38 @@ static void spr_read_purr (void *opaque, int gprn, int 
sprn)
 #if !defined(CONFIG_USER_ONLY)
 /* IBAT0U...IBAT0U */
 /* IBAT0L...IBAT7L */
-static void spr_read_ibat (void *opaque, int gprn, int sprn)
+static void spr_read_ibat (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, IBAT[sprn & 
1][(sprn - SPR_IBAT0U) / 2]));
 }
 
-static void spr_read_ibat_h (void *opaque, int gprn, int sprn)
+static void spr_read_ibat_h (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, IBAT[sprn & 
1][(sprn - SPR_IBAT4U) / 2]));
 }
 
-static void spr_write_ibatu (void *opaque, int sprn, int gprn)
+static void spr_write_ibatu (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
     gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_ibatu_h (void *opaque, int sprn, int gprn)
+static void spr_write_ibatu_h (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4U) / 2) + 4);
     gen_helper_store_ibatu(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_ibatl (void *opaque, int sprn, int gprn)
+static void spr_write_ibatl (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0L) / 2);
     gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_ibatl_h (void *opaque, int sprn, int gprn)
+static void spr_write_ibatl_h (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_IBAT4L) / 2) + 4);
     gen_helper_store_ibatl(cpu_env, t0, cpu_gpr[gprn]);
@@ -338,38 +338,38 @@ static void spr_write_ibatl_h (void *opaque, int sprn, 
int gprn)
 
 /* DBAT0U...DBAT7U */
 /* DBAT0L...DBAT7L */
-static void spr_read_dbat (void *opaque, int gprn, int sprn)
+static void spr_read_dbat (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, DBAT[sprn & 
1][(sprn - SPR_DBAT0U) / 2]));
 }
 
-static void spr_read_dbat_h (void *opaque, int gprn, int sprn)
+static void spr_read_dbat_h (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, DBAT[sprn & 
1][((sprn - SPR_DBAT4U) / 2) + 4]));
 }
 
-static void spr_write_dbatu (void *opaque, int sprn, int gprn)
+static void spr_write_dbatu (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0U) / 2);
     gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_dbatu_h (void *opaque, int sprn, int gprn)
+static void spr_write_dbatu_h (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4U) / 2) + 4);
     gen_helper_store_dbatu(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_dbatl (void *opaque, int sprn, int gprn)
+static void spr_write_dbatl (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32((sprn - SPR_DBAT0L) / 2);
     gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_dbatl_h (void *opaque, int sprn, int gprn)
+static void spr_write_dbatl_h (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32(((sprn - SPR_DBAT4L) / 2) + 4);
     gen_helper_store_dbatl(cpu_env, t0, cpu_gpr[gprn]);
@@ -377,19 +377,19 @@ static void spr_write_dbatl_h (void *opaque, int sprn, 
int gprn)
 }
 
 /* SDR1 */
-static void spr_write_sdr1 (void *opaque, int sprn, int gprn)
+static void spr_write_sdr1 (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_sdr1(cpu_env, cpu_gpr[gprn]);
 }
 
 /* 64 bits PowerPC specific SPRs */
 #if defined(TARGET_PPC64)
-static void spr_read_hior (void *opaque, int gprn, int sprn)
+static void spr_read_hior (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, excp_prefix));
 }
 
-static void spr_write_hior (void *opaque, int sprn, int gprn)
+static void spr_write_hior (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv t0 = tcg_temp_new();
     tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0x3FFFFF00000ULL);
@@ -401,31 +401,29 @@ static void spr_write_hior (void *opaque, int sprn, int 
gprn)
 
 /* PowerPC 601 specific registers */
 /* RTC */
-static void spr_read_601_rtcl (void *opaque, int gprn, int sprn)
+static void spr_read_601_rtcl (DisasContext *ctx, int gprn, int sprn)
 {
     gen_helper_load_601_rtcl(cpu_gpr[gprn], cpu_env);
 }
 
-static void spr_read_601_rtcu (void *opaque, int gprn, int sprn)
+static void spr_read_601_rtcu (DisasContext *ctx, int gprn, int sprn)
 {
     gen_helper_load_601_rtcu(cpu_gpr[gprn], cpu_env);
 }
 
 #if !defined(CONFIG_USER_ONLY)
-static void spr_write_601_rtcu (void *opaque, int sprn, int gprn)
+static void spr_write_601_rtcu (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_601_rtcu(cpu_env, cpu_gpr[gprn]);
 }
 
-static void spr_write_601_rtcl (void *opaque, int sprn, int gprn)
+static void spr_write_601_rtcl (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_601_rtcl(cpu_env, cpu_gpr[gprn]);
 }
 
-static void spr_write_hid0_601 (void *opaque, int sprn, int gprn)
+static void spr_write_hid0_601 (DisasContext *ctx, int sprn, int gprn)
 {
-    DisasContext *ctx = opaque;
-
     gen_helper_store_hid0_601(cpu_env, cpu_gpr[gprn]);
     /* Must stop the translation as endianness may have changed */
     gen_stop_exception(ctx);
@@ -434,19 +432,19 @@ static void spr_write_hid0_601 (void *opaque, int sprn, 
int gprn)
 
 /* Unified bats */
 #if !defined(CONFIG_USER_ONLY)
-static void spr_read_601_ubat (void *opaque, int gprn, int sprn)
+static void spr_read_601_ubat (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, IBAT[sprn & 
1][(sprn - SPR_IBAT0U) / 2]));
 }
 
-static void spr_write_601_ubatu (void *opaque, int sprn, int gprn)
+static void spr_write_601_ubatu (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
     gen_helper_store_601_batl(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_601_ubatl (void *opaque, int sprn, int gprn)
+static void spr_write_601_ubatl (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32((sprn - SPR_IBAT0U) / 2);
     gen_helper_store_601_batu(cpu_env, t0, cpu_gpr[gprn]);
@@ -456,36 +454,34 @@ static void spr_write_601_ubatl (void *opaque, int sprn, 
int gprn)
 
 /* PowerPC 40x specific registers */
 #if !defined(CONFIG_USER_ONLY)
-static void spr_read_40x_pit (void *opaque, int gprn, int sprn)
+static void spr_read_40x_pit (DisasContext *ctx, int gprn, int sprn)
 {
     gen_helper_load_40x_pit(cpu_gpr[gprn], cpu_env);
 }
 
-static void spr_write_40x_pit (void *opaque, int sprn, int gprn)
+static void spr_write_40x_pit (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_40x_pit(cpu_env, cpu_gpr[gprn]);
 }
 
-static void spr_write_40x_dbcr0 (void *opaque, int sprn, int gprn)
+static void spr_write_40x_dbcr0 (DisasContext *ctx, int sprn, int gprn)
 {
-    DisasContext *ctx = opaque;
-
     gen_helper_store_40x_dbcr0(cpu_env, cpu_gpr[gprn]);
     /* We must stop translation as we may have rebooted */
     gen_stop_exception(ctx);
 }
 
-static void spr_write_40x_sler (void *opaque, int sprn, int gprn)
+static void spr_write_40x_sler (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_40x_sler(cpu_env, cpu_gpr[gprn]);
 }
 
-static void spr_write_booke_tcr (void *opaque, int sprn, int gprn)
+static void spr_write_booke_tcr (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_booke_tcr(cpu_env, cpu_gpr[gprn]);
 }
 
-static void spr_write_booke_tsr (void *opaque, int sprn, int gprn)
+static void spr_write_booke_tsr (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_store_booke_tsr(cpu_env, cpu_gpr[gprn]);
 }
@@ -494,19 +490,19 @@ static void spr_write_booke_tsr (void *opaque, int sprn, 
int gprn)
 /* PowerPC 403 specific registers */
 /* PBL1 / PBU1 / PBL2 / PBU2 */
 #if !defined(CONFIG_USER_ONLY)
-static void spr_read_403_pbr (void *opaque, int gprn, int sprn)
+static void spr_read_403_pbr (DisasContext *ctx, int gprn, int sprn)
 {
     tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, pb[sprn - 
SPR_403_PBL1]));
 }
 
-static void spr_write_403_pbr (void *opaque, int sprn, int gprn)
+static void spr_write_403_pbr (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32(sprn - SPR_403_PBL1);
     gen_helper_store_403_pbr(cpu_env, t0, cpu_gpr[gprn]);
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_pir (void *opaque, int sprn, int gprn)
+static void spr_write_pir (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv t0 = tcg_temp_new();
     tcg_gen_andi_tl(t0, cpu_gpr[gprn], 0xF);
@@ -516,7 +512,7 @@ static void spr_write_pir (void *opaque, int sprn, int gprn)
 #endif
 
 /* SPE specific registers */
-static void spr_read_spefscr (void *opaque, int gprn, int sprn)
+static void spr_read_spefscr (DisasContext *ctx, int gprn, int sprn)
 {
     TCGv_i32 t0 = tcg_temp_new_i32();
     tcg_gen_ld_i32(t0, cpu_env, offsetof(CPUPPCState, spe_fscr));
@@ -524,7 +520,7 @@ static void spr_read_spefscr (void *opaque, int gprn, int 
sprn)
     tcg_temp_free_i32(t0);
 }
 
-static void spr_write_spefscr (void *opaque, int sprn, int gprn)
+static void spr_write_spefscr (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_temp_new_i32();
     tcg_gen_trunc_tl_i32(t0, cpu_gpr[gprn]);
@@ -534,7 +530,7 @@ static void spr_write_spefscr (void *opaque, int sprn, int 
gprn)
 
 #if !defined(CONFIG_USER_ONLY)
 /* Callback used to write the exception vector base */
-static void spr_write_excp_prefix (void *opaque, int sprn, int gprn)
+static void spr_write_excp_prefix (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv t0 = tcg_temp_new();
     tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUPPCState, ivpr_mask));
@@ -544,9 +540,8 @@ static void spr_write_excp_prefix (void *opaque, int sprn, 
int gprn)
     tcg_temp_free(t0);
 }
 
-static void spr_write_excp_vector (void *opaque, int sprn, int gprn)
+static void spr_write_excp_vector (DisasContext *ctx, int sprn, int gprn)
 {
-    DisasContext *ctx = opaque;
     int sprn_offs;
 
     if (sprn >= SPR_BOOKE_IVOR0 && sprn <= SPR_BOOKE_IVOR15) {
@@ -604,12 +599,12 @@ static inline void vscr_init (CPUPPCState *env, uint32_t 
val)
 
 static inline void _spr_register(CPUPPCState *env, int num,
                                  const char *name,
-                                 void (*uea_read)(void *opaque, int gprn, int 
sprn),
-                                 void (*uea_write)(void *opaque, int sprn, int 
gprn),
+                                 void (*uea_read)(DisasContext *ctx, int gprn, 
int sprn),
+                                 void (*uea_write)(DisasContext *ctx, int 
sprn, int gprn),
 #if !defined(CONFIG_USER_ONLY)
 
-                                 void (*oea_read)(void *opaque, int gprn, int 
sprn),
-                                 void (*oea_write)(void *opaque, int sprn, int 
gprn),
+                                 void (*oea_read)(DisasContext *ctx, int gprn, 
int sprn),
+                                 void (*oea_write)(DisasContext *ctx, int 
sprn, int gprn),
 #endif
 #if defined(CONFIG_KVM)
                                  uint64_t one_reg_id,
@@ -1040,19 +1035,19 @@ static void gen_spr_7xx (CPUPPCState *env)
 
 #ifdef TARGET_PPC64
 #ifndef CONFIG_USER_ONLY
-static void spr_read_uamr (void *opaque, int gprn, int sprn)
+static void spr_read_uamr (DisasContext *ctx, int gprn, int sprn)
 {
     gen_load_spr(cpu_gpr[gprn], SPR_AMR);
     spr_load_dump_spr(SPR_AMR);
 }
 
-static void spr_write_uamr (void *opaque, int sprn, int gprn)
+static void spr_write_uamr (DisasContext *ctx, int sprn, int gprn)
 {
     gen_store_spr(SPR_AMR, cpu_gpr[gprn]);
     spr_store_dump_spr(SPR_AMR);
 }
 
-static void spr_write_uamr_pr (void *opaque, int sprn, int gprn)
+static void spr_write_uamr_pr (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv t0 = tcg_temp_new();
 
@@ -1454,7 +1449,7 @@ static void gen_74xx_soft_tlb (CPUPPCState *env, int 
nb_tlbs, int nb_ways)
 }
 
 #if !defined(CONFIG_USER_ONLY)
-static void spr_write_e500_l1csr0 (void *opaque, int sprn, int gprn)
+static void spr_write_e500_l1csr0 (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv t0 = tcg_temp_new();
 
@@ -1463,7 +1458,7 @@ static void spr_write_e500_l1csr0 (void *opaque, int 
sprn, int gprn)
     tcg_temp_free(t0);
 }
 
-static void spr_write_e500_l1csr1(void *opaque, int sprn, int gprn)
+static void spr_write_e500_l1csr1(DisasContext *ctx, int sprn, int gprn)
 {
     TCGv t0 = tcg_temp_new();
 
@@ -1472,12 +1467,12 @@ static void spr_write_e500_l1csr1(void *opaque, int 
sprn, int gprn)
     tcg_temp_free(t0);
 }
 
-static void spr_write_booke206_mmucsr0 (void *opaque, int sprn, int gprn)
+static void spr_write_booke206_mmucsr0 (DisasContext *ctx, int sprn, int gprn)
 {
     gen_helper_booke206_tlbflush(cpu_env, cpu_gpr[gprn]);
 }
 
-static void spr_write_booke_pid (void *opaque, int sprn, int gprn)
+static void spr_write_booke_pid (DisasContext *ctx, int sprn, int gprn)
 {
     TCGv_i32 t0 = tcg_const_i32(sprn);
     gen_helper_booke_setpid(cpu_env, t0, cpu_gpr[gprn]);
@@ -1693,7 +1688,7 @@ static void gen_spr_BookE206(CPUPPCState *env, uint32_t 
mas_mask,
     /* TLB assist registers */
     /* XXX : not implemented */
     for (i = 0; i < 8; i++) {
-        void (*uea_write)(void *o, int sprn, int gprn) = &spr_write_generic32;
+        void (*uea_write)(DisasContext *ctx, int sprn, int gprn) = 
&spr_write_generic32;
         if (i == 2 && (mas_mask & (1 << i)) && (env->insns_flags & PPC_64B)) {
             uea_write = &spr_write_generic;
         }
@@ -4642,7 +4637,7 @@ POWERPC_FAMILY(e300)(ObjectClass *oc, void *data)
 }
 
 #if !defined(CONFIG_USER_ONLY)
-static void spr_write_mas73(void *opaque, int sprn, int gprn)
+static void spr_write_mas73(DisasContext *ctx, int sprn, int gprn)
 {
     TCGv val = tcg_temp_new();
     tcg_gen_ext32u_tl(val, cpu_gpr[gprn]);
@@ -4652,7 +4647,7 @@ static void spr_write_mas73(void *opaque, int sprn, int 
gprn)
     tcg_temp_free(val);
 }
 
-static void spr_read_mas73(void *opaque, int gprn, int sprn)
+static void spr_read_mas73(DisasContext *ctx, int gprn, int sprn)
 {
     TCGv mas7 = tcg_temp_new();
     TCGv mas3 = tcg_temp_new();
@@ -7283,14 +7278,14 @@ enum BOOK3S_CPU_TYPE {
     BOOK3S_CPU_POWER8
 };
 
-static void gen_fscr_facility_check(void *opaque, int facility_sprn, int bit,
-                                    int sprn, int cause)
+static void gen_fscr_facility_check(DisasContext *ctx, int facility_sprn,
+                                    int bit, int sprn, int cause)
 {
     TCGv_i32 t1 = tcg_const_i32(bit);
     TCGv_i32 t2 = tcg_const_i32(sprn);
     TCGv_i32 t3 = tcg_const_i32(cause);
 
-    gen_update_current_nip(opaque);
+    gen_update_current_nip(ctx);
     gen_helper_fscr_facility_check(cpu_env, t1, t2, t3);
 
     tcg_temp_free_i32(t3);
@@ -7298,14 +7293,14 @@ static void gen_fscr_facility_check(void *opaque, int 
facility_sprn, int bit,
     tcg_temp_free_i32(t1);
 }
 
-static void gen_msr_facility_check(void *opaque, int facility_sprn, int bit,
-                                   int sprn, int cause)
+static void gen_msr_facility_check(DisasContext *ctx, int facility_sprn,
+                                   int bit, int sprn, int cause)
 {
     TCGv_i32 t1 = tcg_const_i32(bit);
     TCGv_i32 t2 = tcg_const_i32(sprn);
     TCGv_i32 t3 = tcg_const_i32(cause);
 
-    gen_update_current_nip(opaque);
+    gen_update_current_nip(ctx);
     gen_helper_msr_facility_check(cpu_env, t1, t2, t3);
 
     tcg_temp_free_i32(t3);
@@ -7313,7 +7308,7 @@ static void gen_msr_facility_check(void *opaque, int 
facility_sprn, int bit,
     tcg_temp_free_i32(t1);
 }
 
-static void spr_read_prev_upper32(void *opaque, int gprn, int sprn)
+static void spr_read_prev_upper32(DisasContext *ctx, int gprn, int sprn)
 {
     TCGv spr_up = tcg_temp_new();
     TCGv spr = tcg_temp_new();
@@ -7326,7 +7321,7 @@ static void spr_read_prev_upper32(void *opaque, int gprn, 
int sprn)
     tcg_temp_free(spr_up);
 }
 
-static void spr_write_prev_upper32(void *opaque, int sprn, int gprn)
+static void spr_write_prev_upper32(DisasContext *ctx, int sprn, int gprn)
 {
     TCGv spr = tcg_temp_new();
 
@@ -7665,16 +7660,16 @@ static void gen_spr_power6_common(CPUPPCState *env)
                  0x00000000);
 }
 
-static void spr_read_tar(void *opaque, int gprn, int sprn)
+static void spr_read_tar(DisasContext *ctx, int gprn, int sprn)
 {
-    gen_fscr_facility_check(opaque, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
-    spr_read_generic(opaque, gprn, sprn);
+    gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
+    spr_read_generic(ctx, gprn, sprn);
 }
 
-static void spr_write_tar(void *opaque, int sprn, int gprn)
+static void spr_write_tar(DisasContext *ctx, int sprn, int gprn)
 {
-    gen_fscr_facility_check(opaque, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
-    spr_write_generic(opaque, sprn, gprn);
+    gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_TAR, sprn, FSCR_IC_TAR);
+    spr_write_generic(ctx, sprn, gprn);
 }
 
 static void gen_spr_power8_tce_address_control(CPUPPCState *env)
@@ -7685,28 +7680,28 @@ static void 
gen_spr_power8_tce_address_control(CPUPPCState *env)
                  0x00000000);
 }
 
-static void spr_read_tm(void *opaque, int gprn, int sprn)
+static void spr_read_tm(DisasContext *ctx, int gprn, int sprn)
 {
-    gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
-    spr_read_generic(opaque, gprn, sprn);
+    gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+    spr_read_generic(ctx, gprn, sprn);
 }
 
-static void spr_write_tm(void *opaque, int sprn, int gprn)
+static void spr_write_tm(DisasContext *ctx, int sprn, int gprn)
 {
-    gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
-    spr_write_generic(opaque, sprn, gprn);
+    gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+    spr_write_generic(ctx, sprn, gprn);
 }
 
-static void spr_read_tm_upper32(void *opaque, int gprn, int sprn)
+static void spr_read_tm_upper32(DisasContext *ctx, int gprn, int sprn)
 {
-    gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
-    spr_read_prev_upper32(opaque, gprn, sprn);
+    gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+    spr_read_prev_upper32(ctx, gprn, sprn);
 }
 
-static void spr_write_tm_upper32(void *opaque, int sprn, int gprn)
+static void spr_write_tm_upper32(DisasContext *ctx, int sprn, int gprn)
 {
-    gen_msr_facility_check(opaque, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
-    spr_write_prev_upper32(opaque, sprn, gprn);
+    gen_msr_facility_check(ctx, SPR_FSCR, MSR_TM, sprn, FSCR_IC_TM);
+    spr_write_prev_upper32(ctx, sprn, gprn);
 }
 
 static void gen_spr_power8_tm(CPUPPCState *env)
@@ -7729,28 +7724,28 @@ static void gen_spr_power8_tm(CPUPPCState *env)
                  0x00000000);
 }
 
-static void spr_read_ebb(void *opaque, int gprn, int sprn)
+static void spr_read_ebb(DisasContext *ctx, int gprn, int sprn)
 {
-    gen_fscr_facility_check(opaque, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
-    spr_read_generic(opaque, gprn, sprn);
+    gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
+    spr_read_generic(ctx, gprn, sprn);
 }
 
-static void spr_write_ebb(void *opaque, int sprn, int gprn)
+static void spr_write_ebb(DisasContext *ctx, int sprn, int gprn)
 {
-    gen_fscr_facility_check(opaque, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
-    spr_write_generic(opaque, sprn, gprn);
+    gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
+    spr_write_generic(ctx, sprn, gprn);
 }
 
-static void spr_read_ebb_upper32(void *opaque, int gprn, int sprn)
+static void spr_read_ebb_upper32(DisasContext *ctx, int gprn, int sprn)
 {
-    gen_fscr_facility_check(opaque, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
-    spr_read_prev_upper32(opaque, gprn, sprn);
+    gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
+    spr_read_prev_upper32(ctx, gprn, sprn);
 }
 
-static void spr_write_ebb_upper32(void *opaque, int sprn, int gprn)
+static void spr_write_ebb_upper32(DisasContext *ctx, int sprn, int gprn)
 {
-    gen_fscr_facility_check(opaque, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
-    spr_write_prev_upper32(opaque, sprn, gprn);
+    gen_fscr_facility_check(ctx, SPR_FSCR, FSCR_EBB, sprn, FSCR_IC_EBB);
+    spr_write_prev_upper32(ctx, sprn, gprn);
 }
 
 static void gen_spr_power8_ebb(CPUPPCState *env)




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