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[Qemu-devel] [PATCH 2/2] disas: Remove uses of CPU env


From: Peter Crosthwaite
Subject: [Qemu-devel] [PATCH 2/2] disas: Remove uses of CPU env
Date: Sun, 17 May 2015 12:51:52 -0700

disas does not need to access the CPU env for any reason. Change the
APIs to accept CPU pointers instead. Small change pattern needs to be
applied to all target translate.c. This brings us closer to making
disas.o a common-obj and less architecture specific in general.

Cc: Richard Henderson <address@hidden>
Cc: Peter Maydell <address@hidden>
Cc: "Edgar E. Iglesias" <address@hidden>
Cc: Paolo Bonzini <address@hidden>
Cc: Eduardo Habkost <address@hidden>
Cc: Michael Walle <address@hidden>
Cc: Aurelien Jarno <address@hidden>
Cc: Leon Alrae <address@hidden>
Cc: Jia Liu <address@hidden>
Cc: Alexander Graf <address@hidden>
Cc: Mark Cave-Ayland <address@hidden>
Cc: Bastian Koppelmann <address@hidden>
Cc: Guan Xuetao <address@hidden>
Cc: Max Filippov <address@hidden>
Signed-off-by: Peter Crosthwaite <address@hidden>
---
 disas.c                       | 14 +++++++-------
 include/disas/disas.h         |  4 ++--
 include/qemu/log.h            |  4 ++--
 monitor.c                     |  2 +-
 target-alpha/translate.c      |  2 +-
 target-arm/translate-a64.c    |  2 +-
 target-arm/translate.c        |  2 +-
 target-cris/translate.c       |  2 +-
 target-i386/translate.c       |  2 +-
 target-lm32/translate.c       |  2 +-
 target-m68k/translate.c       |  2 +-
 target-microblaze/translate.c |  2 +-
 target-mips/translate.c       |  2 +-
 target-openrisc/translate.c   |  2 +-
 target-ppc/translate.c        |  2 +-
 target-s390x/translate.c      |  2 +-
 target-sh4/translate.c        |  2 +-
 target-sparc/translate.c      |  2 +-
 target-tricore/translate.c    |  2 +-
 target-unicore32/translate.c  |  2 +-
 target-xtensa/translate.c     |  2 +-
 21 files changed, 29 insertions(+), 29 deletions(-)

diff --git a/disas.c b/disas.c
index 44a019a..576c6a4 100644
--- a/disas.c
+++ b/disas.c
@@ -9,7 +9,7 @@
 
 typedef struct CPUDebug {
     struct disassemble_info info;
-    CPUArchState *env;
+    CPUState *cpu;
 } CPUDebug;
 
 /* Filled in by elfload.c.  Simplistic, but will do for now. */
@@ -39,7 +39,7 @@ target_read_memory (bfd_vma memaddr,
 {
     CPUDebug *s = container_of(info, CPUDebug, info);
 
-    cpu_memory_rw_debug(ENV_GET_CPU(s->env), memaddr, myaddr, length, 0);
+    cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0);
     return 0;
 }
 
@@ -195,7 +195,7 @@ static int print_insn_od_target(bfd_vma pc, 
disassemble_info *info)
            bit 16 indicates little endian.
     other targets - unused
  */
-void target_disas(FILE *out, CPUArchState *env, target_ulong code,
+void target_disas(FILE *out, CPUState *cpu, target_ulong code,
                   target_ulong size, int flags)
 {
     target_ulong pc;
@@ -205,7 +205,7 @@ void target_disas(FILE *out, CPUArchState *env, 
target_ulong code,
 
     INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
 
-    s.env = env;
+    s.cpu = cpu;
     s.info.read_memory_func = target_read_memory;
     s.info.buffer_vma = code;
     s.info.buffer_length = size;
@@ -430,7 +430,7 @@ monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int 
length,
     if (monitor_disas_is_physical) {
         cpu_physical_memory_read(memaddr, myaddr, length);
     } else {
-        cpu_memory_rw_debug(ENV_GET_CPU(s->env), memaddr, myaddr, length, 0);
+        cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0);
     }
     return 0;
 }
@@ -447,7 +447,7 @@ monitor_fprintf(FILE *stream, const char *fmt, ...)
 
 /* Disassembler for the monitor.
    See target_disas for a description of flags. */
-void monitor_disas(Monitor *mon, CPUArchState *env,
+void monitor_disas(Monitor *mon, CPUState *cpu,
                    target_ulong pc, int nb_insn, int is_physical, int flags)
 {
     int count, i;
@@ -456,7 +456,7 @@ void monitor_disas(Monitor *mon, CPUArchState *env,
 
     INIT_DISASSEMBLE_INFO(s.info, (FILE *)mon, monitor_fprintf);
 
-    s.env = env;
+    s.cpu = cpu;
     monitor_disas_is_physical = is_physical;
     s.info.read_memory_func = monitor_read_memory;
     s.info.print_address_func = generic_print_target_address;
diff --git a/include/disas/disas.h b/include/disas/disas.h
index c13ca9a..2b9293b 100644
--- a/include/disas/disas.h
+++ b/include/disas/disas.h
@@ -6,10 +6,10 @@
 #ifdef NEED_CPU_H
 /* Disassemble this for me please... (debugging). */
 void disas(FILE *out, void *code, unsigned long size);
-void target_disas(FILE *out, CPUArchState *env, target_ulong code,
+void target_disas(FILE *out, CPUState *cpu, target_ulong code,
                   target_ulong size, int flags);
 
-void monitor_disas(Monitor *mon, CPUArchState *env,
+void monitor_disas(Monitor *mon, CPUState *cpu,
                    target_ulong pc, int nb_insn, int is_physical, int flags);
 
 /* Look up symbol for debugging purpose.  Returns "" if unknown. */
diff --git a/include/qemu/log.h b/include/qemu/log.h
index 195f665..f880e66 100644
--- a/include/qemu/log.h
+++ b/include/qemu/log.h
@@ -104,10 +104,10 @@ static inline void log_cpu_state_mask(int mask, CPUState 
*cpu, int flags)
 
 #ifdef NEED_CPU_H
 /* disas() and target_disas() to qemu_logfile: */
-static inline void log_target_disas(CPUArchState *env, target_ulong start,
+static inline void log_target_disas(CPUState *cpu, target_ulong start,
                                     target_ulong len, int flags)
 {
-    target_disas(qemu_logfile, env, start, len, flags);
+    target_disas(qemu_logfile, cpu, start, len, flags);
 }
 
 static inline void log_disas(void *code, unsigned long size)
diff --git a/monitor.c b/monitor.c
index e6df072..9d29d06 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1236,7 +1236,7 @@ static void memory_dump(Monitor *mon, int count, int 
format, int wsize,
         flags = msr_le << 16;
         flags |= env->bfd_mach;
 #endif
-        monitor_disas(mon, mon_get_env(), addr, count, is_physical, flags);
+        monitor_disas(mon, mon_get_cpu(), addr, count, is_physical, flags);
         return;
     }
 
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index efeeb05..5fe7ecd 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -2926,7 +2926,7 @@ static inline void 
gen_intermediate_code_internal(AlphaCPU *cpu,
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, ctx.pc - pc_start, 1);
+        log_target_disas(cs, pc_start, ctx.pc - pc_start, 1);
         qemu_log("\n");
     }
 #endif
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index 0b192a1..220f055 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -11114,7 +11114,7 @@ done_generating:
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("----------------\n");
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, dc->pc - pc_start,
+        log_target_disas(cs, pc_start, dc->pc - pc_start,
                          4 | (dc->bswap_code << 1));
         qemu_log("\n");
     }
diff --git a/target-arm/translate.c b/target-arm/translate.c
index 9116529..cd91b13 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -11365,7 +11365,7 @@ done_generating:
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("----------------\n");
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, dc->pc - pc_start,
+        log_target_disas(cs, pc_start, dc->pc - pc_start,
                          dc->thumb | (dc->bswap_code << 1));
         qemu_log("\n");
     }
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 687c88b..3e59601 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -3345,7 +3345,7 @@ gen_intermediate_code_internal(CRISCPU *cpu, 
TranslationBlock *tb,
 #ifdef DEBUG_DISAS
 #if !DISAS_CRIS
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
-        log_target_disas(env, pc_start, dc->pc - pc_start,
+        log_target_disas(cs, pc_start, dc->pc - pc_start,
                          env->pregs[PR_VR]);
         qemu_log("\nisize=%d osize=%d\n",
                  dc->pc - pc_start, tcg_op_buf_count());
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 305ce50..723e0cb 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -8093,7 +8093,7 @@ done_generating:
         else
 #endif
             disas_flags = !dc->code32;
-        log_target_disas(env, pc_start, pc_ptr - pc_start, disas_flags);
+        log_target_disas(cs, pc_start, pc_ptr - pc_start, disas_flags);
         qemu_log("\n");
     }
 #endif
diff --git a/target-lm32/translate.c b/target-lm32/translate.c
index 81a204f..cf7042e 100644
--- a/target-lm32/translate.c
+++ b/target-lm32/translate.c
@@ -1168,7 +1168,7 @@ void gen_intermediate_code_internal(LM32CPU *cpu,
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("\n");
-        log_target_disas(env, pc_start, dc->pc - pc_start, 0);
+        log_target_disas(cs, pc_start, dc->pc - pc_start, 0);
         qemu_log("\nisize=%d osize=%d\n",
                  dc->pc - pc_start, tcg_op_buf_count());
     }
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 4959b97..22ecc20 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -3077,7 +3077,7 @@ gen_intermediate_code_internal(M68kCPU *cpu, 
TranslationBlock *tb,
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("----------------\n");
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, dc->pc - pc_start, 0);
+        log_target_disas(cs, pc_start, dc->pc - pc_start, 0);
         qemu_log("\n");
     }
 #endif
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index 4068946..633131e 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -1855,7 +1855,7 @@ gen_intermediate_code_internal(MicroBlazeCPU *cpu, 
TranslationBlock *tb,
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("\n");
 #if DISAS_GNU
-        log_target_disas(env, pc_start, dc->pc - pc_start, 0);
+        log_target_disas(cs, pc_start, dc->pc - pc_start, 0);
 #endif
         qemu_log("\nisize=%d osize=%d\n",
                  dc->pc - pc_start, tcg_op_buf_count());
diff --git a/target-mips/translate.c b/target-mips/translate.c
index fd063a2..f8f8f94 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -19273,7 +19273,7 @@ done_generating:
     LOG_DISAS("\n");
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, ctx.pc - pc_start, 0);
+        log_target_disas(cs, pc_start, ctx.pc - pc_start, 0);
         qemu_log("\n");
     }
 #endif
diff --git a/target-openrisc/translate.c b/target-openrisc/translate.c
index dc76789..a62cbf4 100644
--- a/target-openrisc/translate.c
+++ b/target-openrisc/translate.c
@@ -1770,7 +1770,7 @@ static inline void 
gen_intermediate_code_internal(OpenRISCCPU *cpu,
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("\n");
-        log_target_disas(&cpu->env, pc_start, dc->pc - pc_start, 0);
+        log_target_disas(cs, pc_start, dc->pc - pc_start, 0);
         qemu_log("\nisize=%d osize=%d\n",
                  dc->pc - pc_start, tcg_op_buf_count());
     }
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 8f255ea..84c5cea 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -11607,7 +11607,7 @@ static inline void 
gen_intermediate_code_internal(PowerPCCPU *cpu,
         flags = env->bfd_mach;
         flags |= ctx.le_mode << 16;
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, ctx.nip - pc_start, flags);
+        log_target_disas(cs, pc_start, ctx.nip - pc_start, flags);
         qemu_log("\n");
     }
 #endif
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 80e3a54..2fdd542 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -4990,7 +4990,7 @@ static inline void gen_intermediate_code_internal(S390CPU 
*cpu,
 #if defined(S390X_DEBUG_DISAS)
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, dc.pc - pc_start, 1);
+        log_target_disas(cs, pc_start, dc.pc - pc_start, 1);
         qemu_log("\n");
     }
 #endif
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 41aa928..27858e5 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1974,7 +1974,7 @@ gen_intermediate_code_internal(SuperHCPU *cpu, 
TranslationBlock *tb,
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
        qemu_log("IN:\n");      /* , lookup_symbol(pc_start)); */
-        log_target_disas(env, pc_start, ctx.pc - pc_start, 0);
+        log_target_disas(cs, pc_start, ctx.pc - pc_start, 0);
        qemu_log("\n");
     }
 #endif
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 3708c01..c58dd4e 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -5334,7 +5334,7 @@ static inline void 
gen_intermediate_code_internal(SPARCCPU *cpu,
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("--------------\n");
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, last_pc + 4 - pc_start, 0);
+        log_target_disas(cs, pc_start, last_pc + 4 - pc_start, 0);
         qemu_log("\n");
     }
 #endif
diff --git a/target-tricore/translate.c b/target-tricore/translate.c
index 663b2a0..5abfbbf 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -8173,7 +8173,7 @@ gen_intermediate_code_internal(TriCoreCPU *cpu, struct 
TranslationBlock *tb,
 #ifdef DEBUG_DISAS
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, ctx.pc - pc_start, 0);
+        log_target_disas(cs, pc_start, ctx.pc - pc_start, 0);
         qemu_log("\n");
     }
 #endif
diff --git a/target-unicore32/translate.c b/target-unicore32/translate.c
index 9efcff5..2fc78e6 100644
--- a/target-unicore32/translate.c
+++ b/target-unicore32/translate.c
@@ -2039,7 +2039,7 @@ done_generating:
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("----------------\n");
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, dc->pc - pc_start, 0);
+        log_target_disas(cs, pc_start, dc->pc - pc_start, 0);
         qemu_log("\n");
     }
 #endif
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index 6e5096c..3bdd052 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -3137,7 +3137,7 @@ void gen_intermediate_code_internal(XtensaCPU *cpu,
     if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
         qemu_log("----------------\n");
         qemu_log("IN: %s\n", lookup_symbol(pc_start));
-        log_target_disas(env, pc_start, dc.pc - pc_start, 0);
+        log_target_disas(cs, pc_start, dc.pc - pc_start, 0);
         qemu_log("\n");
     }
 #endif
-- 
1.9.1




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