Convert references to logfile/loglevel to use qemu_log*() macros

This is a large patch that changes all occurrences of logfile/loglevel
global variables to use the new qemu_log*() macros.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6338 c046a42c-6fe2-441c-8c8c-71466251a162

40 files changed, 295 insertions, 471 deletions

diff --git a/block-raw-posix.c b/block-raw-posix.c
index d17af0b..5b13f6b 100644
--- a/block-raw-posix.c
+++ b/block-raw-posix.c
@@ -67,8 +67,8 @@
 
 //#define DEBUG_BLOCK
 #if defined(DEBUG_BLOCK)
-#define DEBUG_BLOCK_PRINT(formatCstr, args...) do { if (loglevel != 0)	\
-    { fprintf(logfile, formatCstr, ##args); fflush(logfile); } } while (0)
+#define DEBUG_BLOCK_PRINT(formatCstr, args...) do { if (qemu_log_enabled())	\
+    { qemu_log(formatCstr, ##args); fflush(logfile); } } while (0)
 #else
 #define DEBUG_BLOCK_PRINT(formatCstr, args...)
 #endif
diff --git a/bsd-user/elfload.c b/bsd-user/elfload.c
index 82f172c..de7b4de 100644
--- a/bsd-user/elfload.c
+++ b/bsd-user/elfload.c
@@ -1456,7 +1456,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
 
     free(elf_phdata);
 
-    if (loglevel)
+    if (qemu_log_enabled())
         load_symbols(&elf_ex, bprm->fd);
 
     if (interpreter_type != INTERPRETER_AOUT) close(bprm->fd);
diff --git a/bsd-user/main.c b/bsd-user/main.c
index 45f0bc5..b809f43 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -533,21 +533,19 @@ int main(int argc, char **argv)
 
     free(target_environ);
 
-    if (loglevel) {
-        page_dump(logfile);
-
-        fprintf(logfile, "start_brk   0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
-        fprintf(logfile, "end_code    0x" TARGET_ABI_FMT_lx "\n", info->end_code);
-        fprintf(logfile, "start_code  0x" TARGET_ABI_FMT_lx "\n",
-                info->start_code);
-        fprintf(logfile, "start_data  0x" TARGET_ABI_FMT_lx "\n",
-                info->start_data);
-        fprintf(logfile, "end_data    0x" TARGET_ABI_FMT_lx "\n", info->end_data);
-        fprintf(logfile, "start_stack 0x" TARGET_ABI_FMT_lx "\n",
-                info->start_stack);
-        fprintf(logfile, "brk         0x" TARGET_ABI_FMT_lx "\n", info->brk);
-        fprintf(logfile, "entry       0x" TARGET_ABI_FMT_lx "\n", info->entry);
-    }
+    log_page_dump();
+
+    qemu_log("start_brk   0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
+    qemu_log("end_code    0x" TARGET_ABI_FMT_lx "\n", info->end_code);
+    qemu_log("start_code  0x" TARGET_ABI_FMT_lx "\n",
+            info->start_code);
+    qemu_log("start_data  0x" TARGET_ABI_FMT_lx "\n",
+            info->start_data);
+    qemu_log("end_data    0x" TARGET_ABI_FMT_lx "\n", info->end_data);
+    qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
+            info->start_stack);
+    qemu_log("brk         0x" TARGET_ABI_FMT_lx "\n", info->brk);
+    qemu_log("entry       0x" TARGET_ABI_FMT_lx "\n", info->entry);
 
     target_set_brk(info->brk);
     syscall_init();
diff --git a/cpu-exec.c b/cpu-exec.c
index b40e74a..7751625 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -390,9 +390,7 @@ int cpu_exec(CPUState *env1)
                             svm_check_intercept(SVM_EXIT_INTR);
                             env->interrupt_request &= ~(CPU_INTERRUPT_HARD | CPU_INTERRUPT_VIRQ);
                             intno = cpu_get_pic_interrupt(env);
-                            if (loglevel & CPU_LOG_TB_IN_ASM) {
-                                fprintf(logfile, "Servicing hardware INT=0x%02x\n", intno);
-                            }
+                            qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing hardware INT=0x%02x\n", intno);
                             do_interrupt(intno, 0, 0, 0, 1);
                             /* ensure that no TB jump will be modified as
                                the program flow was changed */
@@ -405,8 +403,7 @@ int cpu_exec(CPUState *env1)
                             /* FIXME: this should respect TPR */
                             svm_check_intercept(SVM_EXIT_VINTR);
                             intno = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.int_vector));
-                            if (loglevel & CPU_LOG_TB_IN_ASM)
-                                fprintf(logfile, "Servicing virtual hardware INT=0x%02x\n", intno);
+                            qemu_log_mask(CPU_LOG_TB_IN_ASM, "Servicing virtual hardware INT=0x%02x\n", intno);
                             do_interrupt(intno, 0, 0, 0, 1);
                             env->interrupt_request &= ~CPU_INTERRUPT_VIRQ;
                             next_tb = 0;
@@ -540,28 +537,28 @@ int cpu_exec(CPUState *env1)
                     regs_to_env();
 #if defined(TARGET_I386)
                     env->eflags = env->eflags | helper_cc_compute_all(CC_OP) | (DF & DF_MASK);
-                    cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
+                    log_cpu_state(env, X86_DUMP_CCOP);
                     env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
 #elif defined(TARGET_ARM)
-                    cpu_dump_state(env, logfile, fprintf, 0);
+                    log_cpu_state(env, 0);
 #elif defined(TARGET_SPARC)
-                    cpu_dump_state(env, logfile, fprintf, 0);
+                    log_cpu_state(env, 0);
 #elif defined(TARGET_PPC)
-                    cpu_dump_state(env, logfile, fprintf, 0);
+                    log_cpu_state(env, 0);
 #elif defined(TARGET_M68K)
                     cpu_m68k_flush_flags(env, env->cc_op);
                     env->cc_op = CC_OP_FLAGS;
                     env->sr = (env->sr & 0xffe0)
                               | env->cc_dest | (env->cc_x << 4);
-                    cpu_dump_state(env, logfile, fprintf, 0);
+                    log_cpu_state(env, 0);
 #elif defined(TARGET_MIPS)
-                    cpu_dump_state(env, logfile, fprintf, 0);
+                    log_cpu_state(env, 0);
 #elif defined(TARGET_SH4)
-		    cpu_dump_state(env, logfile, fprintf, 0);
+		    log_cpu_state(env, 0);
 #elif defined(TARGET_ALPHA)
-                    cpu_dump_state(env, logfile, fprintf, 0);
+                    log_cpu_state(env, 0);
 #elif defined(TARGET_CRIS)
-                    cpu_dump_state(env, logfile, fprintf, 0);
+                    log_cpu_state(env, 0);
 #else
 #error unsupported target CPU
 #endif
@@ -579,11 +576,9 @@ int cpu_exec(CPUState *env1)
                     tb_invalidated_flag = 0;
                 }
 #ifdef DEBUG_EXEC
-                if ((loglevel & CPU_LOG_EXEC)) {
-                    fprintf(logfile, "Trace 0x%08lx [" TARGET_FMT_lx "] %s\n",
-                            (long)tb->tc_ptr, tb->pc,
-                            lookup_symbol(tb->pc));
-                }
+                qemu_log_mask(CPU_LOG_EXEC, "Trace 0x%08lx [" TARGET_FMT_lx "] %s\n",
+                             (long)tb->tc_ptr, tb->pc,
+                             lookup_symbol(tb->pc));
 #endif
                 /* see if we can patch the calling TB. When the TB
                    spans two pages, we cannot safely do a direct
diff --git a/darwin-user/commpage.c b/darwin-user/commpage.c
index 58f429c..8961bef 100644
--- a/darwin-user/commpage.c
+++ b/darwin-user/commpage.c
@@ -35,9 +35,9 @@
 //#define DEBUG_COMMPAGE
 
 #ifdef DEBUG_COMMPAGE
-# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); printf(__VA_ARGS__); } while(0)
+# define DPRINTF(...) do { qemu_log(__VA_ARGS__); printf(__VA_ARGS__); } while(0)
 #else
-# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); } while(0)
+# define DPRINTF(...) do { qemu_log(__VA_ARGS__); } while(0)
 #endif
 
 /********************************************************************
diff --git a/darwin-user/machload.c b/darwin-user/machload.c
index 9d7aaf5..794aefa 100644
--- a/darwin-user/machload.c
+++ b/darwin-user/machload.c
@@ -39,9 +39,9 @@
 //#define DEBUG_MACHLOAD
 
 #ifdef DEBUG_MACHLOAD
-# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); printf(__VA_ARGS__); } while(0)
+# define DPRINTF(...) do { qemu_log(__VA_ARGS__); printf(__VA_ARGS__); } while(0)
 #else
-# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); } while(0)
+# define DPRINTF(...) do { qemu_log(__VA_ARGS__); } while(0)
 #endif
 
 # define check_mach_header(x) (x.magic == MH_CIGAM)
diff --git a/darwin-user/main.c b/darwin-user/main.c
index b1011cd..24e738b 100644
--- a/darwin-user/main.c
+++ b/darwin-user/main.c
@@ -160,10 +160,8 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
 do {                                                                          \
     fprintf(stderr, fmt , ##args);                                            \
     cpu_dump_state(env, stderr, fprintf, 0);                                  \
-    if (loglevel != 0) {                                                      \
-        fprintf(logfile, fmt , ##args);                                       \
-        cpu_dump_state(env, logfile, fprintf, 0);                             \
-    }                                                                         \
+    qemu_log(fmt, ##args);                                                   \
+    log_cpu_state(env, 0);                                                      \
 } while (0)
 
 void cpu_loop(CPUPPCState *env)
diff --git a/darwin-user/syscall.c b/darwin-user/syscall.c
index 8d56de7..130d33c 100644
--- a/darwin-user/syscall.c
+++ b/darwin-user/syscall.c
@@ -69,7 +69,7 @@
 # define DEBUG_ENABLE_ALL()  static int __DEBUG_qemu_user_force_enable = 1
     DEBUG_ENABLE_ALL();
 
-# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); \
+# define DPRINTF(...) do { qemu_log(__VA_ARGS__); \
                            if(__DEBUG_qemu_user_force_enable) fprintf(stderr, __VA_ARGS__); \
                          } while(0)
 #else
@@ -77,7 +77,7 @@
 # define DEBUG_BEGIN_ENABLE
 # define DEBUG_END_ENABLE
 
-# define DPRINTF(...) do { if(loglevel) fprintf(logfile, __VA_ARGS__); } while(0)
+# define DPRINTF(...) do { qemu_log(__VA_ARGS__); } while(0)
 #endif
 
 enum {
diff --git a/exec.c b/exec.c
index d6fa977..83400f5 100644
--- a/exec.c
+++ b/exec.c
@@ -1004,12 +1004,10 @@ static inline void tb_invalidate_phys_page_fast(target_phys_addr_t start, int le
     int offset, b;
 #if 0
     if (1) {
-        if (loglevel) {
-            fprintf(logfile, "modifying code at 0x%x size=%d EIP=%x PC=%08x\n",
-                   cpu_single_env->mem_io_vaddr, len,
-                   cpu_single_env->eip,
-                   cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base);
-        }
+        qemu_log("modifying code at 0x%x size=%d EIP=%x PC=%08x\n",
+                  cpu_single_env->mem_io_vaddr, len,
+                  cpu_single_env->eip,
+                  cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base);
     }
 #endif
     p = page_find(start >> TARGET_PAGE_BITS);
@@ -1634,17 +1632,17 @@ void cpu_abort(CPUState *env, const char *fmt, ...)
 #else
     cpu_dump_state(env, stderr, fprintf, 0);
 #endif
-    if (logfile) {
-        fprintf(logfile, "qemu: fatal: ");
-        vfprintf(logfile, fmt, ap2);
-        fprintf(logfile, "\n");
+    if (qemu_log_enabled()) {
+        qemu_log("qemu: fatal: ");
+        qemu_log_vprintf(fmt, ap2);
+        qemu_log("\n");
 #ifdef TARGET_I386
-        cpu_dump_state(env, logfile, fprintf, X86_DUMP_FPU | X86_DUMP_CCOP);
+        log_cpu_state(env, X86_DUMP_FPU | X86_DUMP_CCOP);
 #else
-        cpu_dump_state(env, logfile, fprintf, 0);
+        log_cpu_state(env, 0);
 #endif
         fflush(logfile);
-        fclose(logfile);
+        qemu_log_close();
     }
     va_end(ap2);
     va_end(ap);
diff --git a/hw/alpha_palcode.c b/hw/alpha_palcode.c
index 151f3c2..bfffb5d 100644
--- a/hw/alpha_palcode.c
+++ b/hw/alpha_palcode.c
@@ -1061,13 +1061,11 @@ void call_pal (CPUState *env, int palcode)
 {
     target_long ret;
 
-    if (logfile != NULL)
-        fprintf(logfile, "%s: palcode %02x\n", __func__, palcode);
+    qemu_log("%s: palcode %02x\n", __func__, palcode);
     switch (palcode) {
     case 0x83:
         /* CALLSYS */
-        if (logfile != NULL)
-            fprintf(logfile, "CALLSYS n " TARGET_FMT_ld "\n", env->ir[0]);
+        qemu_log("CALLSYS n " TARGET_FMT_ld "\n", env->ir[0]);
         ret = do_syscall(env, env->ir[IR_V0], env->ir[IR_A0], env->ir[IR_A1],
                          env->ir[IR_A2], env->ir[IR_A3], env->ir[IR_A4],
                          env->ir[IR_A5]);
@@ -1082,18 +1080,15 @@ void call_pal (CPUState *env, int palcode)
     case 0x9E:
         /* RDUNIQUE */
         env->ir[IR_V0] = env->unique;
-        if (logfile != NULL)
-            fprintf(logfile, "RDUNIQUE: " TARGET_FMT_lx "\n", env->unique);
+        qemu_log("RDUNIQUE: " TARGET_FMT_lx "\n", env->unique);
         break;
     case 0x9F:
         /* WRUNIQUE */
         env->unique = env->ir[IR_A0];
-        if (logfile != NULL)
-            fprintf(logfile, "WRUNIQUE: " TARGET_FMT_lx "\n", env->unique);
+        qemu_log("WRUNIQUE: " TARGET_FMT_lx "\n", env->unique);
         break;
     default:
-        if (logfile != NULL)
-            fprintf(logfile, "%s: unhandled palcode %02x\n",
+        qemu_log("%s: unhandled palcode %02x\n",
                     __func__, palcode);
         exit(1);
     }
diff --git a/hw/mips_timer.c b/hw/mips_timer.c
index 67b8735..d341e51 100644
--- a/hw/mips_timer.c
+++ b/hw/mips_timer.c
@@ -84,9 +84,7 @@ static void mips_timer_cb (void *opaque)
 
     env = opaque;
 #if 0
-    if (logfile) {
-        fprintf(logfile, "%s\n", __func__);
-    }
+    qemu_log("%s\n", __func__);
 #endif
 
     if (env->CP0_Cause & (1 << CP0Ca_DC))
diff --git a/hw/ppc.c b/hw/ppc.c
index d2821fe..05e787f 100644
--- a/hw/ppc.c
+++ b/hw/ppc.c
@@ -32,20 +32,14 @@
 //#define PPC_DEBUG_TB
 
 #ifdef PPC_DEBUG_IRQ
-#  define LOG_IRQ(...) do {              \
-     if (loglevel & CPU_LOG_INT)         \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_IRQ(...) qemu_log_mask(CPU_LOG_INT, ## __VA_ARGS__)
 #else
 #  define LOG_IRQ(...) do { } while (0)
 #endif
 
 
 #ifdef PPC_DEBUG_TB
-#  define LOG_TB(...) do {               \
-     if (loglevel)                       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_TB(...) qemu_log(__VA_ARGS__)
 #else
 #  define LOG_TB(...) do { } while (0)
 #endif
diff --git a/hw/ppc4xx_devs.c b/hw/ppc4xx_devs.c
index 4605159..aec0602 100644
--- a/hw/ppc4xx_devs.c
+++ b/hw/ppc4xx_devs.c
@@ -33,10 +33,7 @@
 
 
 #ifdef DEBUG_UIC
-#  define LOG_UIC(...) do {              \
-     if (loglevel & CPU_LOG_INT)         \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_UIC(...) qemu_log_mask(CPU_LOG_INT, ## __VA_ARGS__)
 #else
 #  define LOG_UIC(...) do { } while (0)
 #endif
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index 6c0d8fe..506391c 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -53,18 +53,13 @@
 #define PPC_IO_DPRINTF(fmt, args...)                     \
 do {                                                     \
     if (loglevel & CPU_LOG_IOPORT) {                     \
-        fprintf(logfile, "%s: " fmt, __func__ , ##args); \
+        qemu_log("%s: " fmt, __func__ , ##args); \
     } else {                                             \
         printf("%s : " fmt, __func__ , ##args);          \
     }                                                    \
 } while (0)
 #elif defined (DEBUG_PPC_IO)
-#define PPC_IO_DPRINTF(fmt, args...)                     \
-do {                                                     \
-    if (loglevel & CPU_LOG_IOPORT) {                     \
-        fprintf(logfile, "%s: " fmt, __func__ , ##args); \
-    }                                                    \
-} while (0)
+#define PPC_IO_DPRINTF(fmt, args...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
 #else
 #define PPC_IO_DPRINTF(fmt, args...) do { } while (0)
 #endif
diff --git a/kqemu.c b/kqemu.c
index d14a620..25f4ea7 100644
--- a/kqemu.c
+++ b/kqemu.c
@@ -49,15 +49,8 @@
 
 
 #ifdef DEBUG
-#  define LOG_INT(...) do {              \
-     if (loglevel & CPU_LOG_INT)         \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
-#  define LOG_INT_STATE(env) \
-      do {                                            \
-         if (loglevel & CPU_LOG_INT)                  \
-            cpu_dump_state(env, logfile, fprintf, 0); \
-      } while (0)
+#  define LOG_INT(...) qemu_log_mask(CPU_LOG_INT, ## __VA_ARGS__)
+#  define LOG_INT_STATE(env) log_cpu_state_mask(CPU_LOG_INT, (env), 0)
 #else
 #  define LOG_INT(...) do { } while (0)
 #  define LOG_INT_STATE(env) do { } while (0)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index ba1d631..6de30f4 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1454,7 +1454,7 @@ int load_elf_binary(struct linux_binprm * bprm, struct target_pt_regs * regs,
 
     free(elf_phdata);
 
-    if (loglevel)
+    if (qemu_log_enabled())
 	load_symbols(&elf_ex, bprm->fd);
 
     if (interpreter_type != INTERPRETER_AOUT) close(bprm->fd);
diff --git a/linux-user/main.c b/linux-user/main.c
index 4b62d94..5685b37 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -1057,10 +1057,8 @@ int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, target_ulong val)
 do {                                                                          \
     fprintf(stderr, fmt , ##args);                                            \
     cpu_dump_state(env, stderr, fprintf, 0);                                  \
-    if (loglevel != 0) {                                                      \
-        fprintf(logfile, fmt , ##args);                                       \
-        cpu_dump_state(env, logfile, fprintf, 0);                             \
-    }                                                                         \
+    qemu_log(fmt, ##args);                                                   \
+    log_cpu_state(env, 0);                                                      \
 } while (0)
 
 void cpu_loop(CPUPPCState *env)
@@ -2396,21 +2394,19 @@ int main(int argc, char **argv, char **envp)
 
     free(target_environ);
 
-    if (loglevel) {
-        page_dump(logfile);
-
-        fprintf(logfile, "start_brk   0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
-        fprintf(logfile, "end_code    0x" TARGET_ABI_FMT_lx "\n", info->end_code);
-        fprintf(logfile, "start_code  0x" TARGET_ABI_FMT_lx "\n",
-                info->start_code);
-        fprintf(logfile, "start_data  0x" TARGET_ABI_FMT_lx "\n",
-                info->start_data);
-        fprintf(logfile, "end_data    0x" TARGET_ABI_FMT_lx "\n", info->end_data);
-        fprintf(logfile, "start_stack 0x" TARGET_ABI_FMT_lx "\n",
-                info->start_stack);
-        fprintf(logfile, "brk         0x" TARGET_ABI_FMT_lx "\n", info->brk);
-        fprintf(logfile, "entry       0x" TARGET_ABI_FMT_lx "\n", info->entry);
-    }
+    log_page_dump();
+
+    qemu_log("start_brk   0x" TARGET_ABI_FMT_lx "\n", info->start_brk);
+    qemu_log("end_code    0x" TARGET_ABI_FMT_lx "\n", info->end_code);
+    qemu_log("start_code  0x" TARGET_ABI_FMT_lx "\n",
+            info->start_code);
+    qemu_log("start_data  0x" TARGET_ABI_FMT_lx "\n",
+            info->start_data);
+    qemu_log("end_data    0x" TARGET_ABI_FMT_lx "\n", info->end_data);
+    qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n",
+            info->start_stack);
+    qemu_log("brk         0x" TARGET_ABI_FMT_lx "\n", info->brk);
+    qemu_log("entry       0x" TARGET_ABI_FMT_lx "\n", info->entry);
 
     target_set_brk(info->brk);
     syscall_init();
diff --git a/linux-user/vm86.c b/linux-user/vm86.c
index 960bf90..cc6c8c9 100644
--- a/linux-user/vm86.c
+++ b/linux-user/vm86.c
@@ -30,7 +30,7 @@
 //#define DEBUG_VM86
 
 #ifdef DEBUG_VM86
-#  define LOG_VM86(...) fprintf(logfile, ## __VA_ARGS__);
+#  define LOG_VM86(...) qemu_log(__VA_ARGS__);
 #else
 #  define LOG_VM86(...) do { } while (0)
 #endif
diff --git a/target-alpha/translate.c b/target-alpha/translate.c
index eb50ec8..9fa3ea0 100644
--- a/target-alpha/translate.c
+++ b/target-alpha/translate.c
@@ -39,10 +39,7 @@
 
 
 #ifdef ALPHA_DEBUG_DISAS
-#  define LOG_DISAS(...) do {            \
-     if (logfile)                        \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_DISAS(...) qemu_log(__VA_ARGS__)
 #else
 #  define LOG_DISAS(...) do { } while (0)
 #endif
@@ -2444,13 +2441,11 @@ static always_inline void gen_intermediate_code_internal (CPUState *env,
         tb->icount = num_insns;
     }
 #if defined ALPHA_DEBUG_DISAS
-    if (loglevel & CPU_LOG_TB_CPU) {
-        cpu_dump_state(env, logfile, fprintf, 0);
-    }
+    log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
     if (loglevel & CPU_LOG_TB_IN_ASM) {
-        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
-        target_disas(logfile, pc_start, ctx.pc - pc_start, 1);
-        fprintf(logfile, "\n");
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
+        log_target_disas(pc_start, ctx.pc - pc_start, 1);
+        qemu_log("\n");
     }
 #endif
 }
diff --git a/target-arm/translate.c b/target-arm/translate.c
index c36a91f..a0e7282 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -8871,10 +8871,10 @@ done_generating:
 
 #ifdef DEBUG_DISAS
     if (loglevel & CPU_LOG_TB_IN_ASM) {
-        fprintf(logfile, "----------------\n");
-        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
-        target_disas(logfile, pc_start, dc->pc - pc_start, env->thumb);
-        fprintf(logfile, "\n");
+        qemu_log("----------------\n");
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
+        log_target_disas(pc_start, dc->pc - pc_start, env->thumb);
+        qemu_log("\n");
     }
 #endif
     if (search_pc) {
diff --git a/target-cris/helper.c b/target-cris/helper.c
index e24ba13..ae2f8dd 100644
--- a/target-cris/helper.c
+++ b/target-cris/helper.c
@@ -34,7 +34,7 @@
 
 #ifdef CRIS_HELPER_DEBUG
 #define D(x) x
-#define D_LOG(...) fprintf(logfile, ## __VA_ARGS__)
+#define D_LOG(...) qemu_log(__VA__ARGS__)
 #else
 #define D(x)
 #define D_LOG(...) do { } while (0)
diff --git a/target-cris/mmu.c b/target-cris/mmu.c
index dd4fb3f..9d79816 100644
--- a/target-cris/mmu.c
+++ b/target-cris/mmu.c
@@ -32,7 +32,7 @@
 
 #ifdef DEBUG
 #define D(x) x
-#define D_LOG(...) fprintf(logfile, ## __VA_ARGS__)
+#define D_LOG(...) qemu_log(__VA__ARGS__)
 #else
 #define D(x)
 #define D_LOG(...) do { } while (0)
diff --git a/target-cris/op_helper.c b/target-cris/op_helper.c
index c55ce86..2e280f3 100644
--- a/target-cris/op_helper.c
+++ b/target-cris/op_helper.c
@@ -30,7 +30,7 @@
 
 #ifdef CRIS_OP_HELPER_DEBUG
 #define D(x) x
-#define D_LOG(...) fprintf(logfile, ## __VA_ARGS__)
+#define D_LOG(...) qemu_log(__VA__ARGS__)
 #else
 #define D(x)
 #define D_LOG(...) do { } while (0)
@@ -117,7 +117,7 @@ void helper_spc_write(uint32_t new_spc)
 
 void helper_dump(uint32_t a0, uint32_t a1, uint32_t a2)
 {
-	(fprintf(logfile, "%s: a0=%x a1=%x\n", __func__, a0, a1)); 
+	qemu_log("%s: a0=%x a1=%x\n", __func__, a0, a1);
 }
 
 /* Used by the tlb decoder.  */
diff --git a/target-cris/translate.c b/target-cris/translate.c
index c536635..8bd2136 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -44,10 +44,7 @@
 
 #define DISAS_CRIS 0
 #if DISAS_CRIS
-#  define LOG_DIS(...) do {               \
-     if (loglevel & CPU_LOG_TB_IN_ASM)    \
-       fprintf(logfile, ## __VA_ARGS__);  \
-   } while (0)
+#  define LOG_DIS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
 #else
 #  define LOG_DIS(...) do { } while (0)
 #endif
@@ -131,7 +128,7 @@ typedef struct DisasContext {
 static void gen_BUG(DisasContext *dc, const char *file, int line)
 {
 	printf ("BUG: pc=%x %s %d\n", dc->pc, file, line);
-	fprintf (logfile, "BUG: pc=%x %s %d\n", dc->pc, file, line);
+	qemu_log("BUG: pc=%x %s %d\n", dc->pc, file, line);
 	cpu_abort(dc->env, "%s:%d\n", file, line);
 }
 
@@ -798,7 +795,7 @@ static void cris_alu_op_exec(DisasContext *dc, int op,
 			t_gen_subx_carry(dc, dst);
 			break;
 		default:
-			fprintf (logfile, "illegal ALU op.\n");
+			qemu_log("illegal ALU op.\n");
 			BUG();
 			break;
 	}
@@ -3147,8 +3144,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
         int num_insns;
         int max_insns;
 
-	if (!logfile)
-		logfile = stderr;
+	qemu_log_try_set_file(stderr);
 
 	/* Odd PC indicates that branch is rexecuting due to exception in the
 	 * delayslot, like in real hw.
@@ -3184,7 +3180,7 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
 	dc->cpustate_changed = 0;
 
 	if (loglevel & CPU_LOG_TB_IN_ASM) {
-		fprintf(logfile,
+		qemu_log(
 			"srch=%d pc=%x %x flg=%llx bt=%x ds=%u ccs=%x\n"
 			"pid=%x usp=%x\n"
 			"%x.%x.%x.%x\n"
@@ -3202,8 +3198,8 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
 			env->regs[10], env->regs[11],
 			env->regs[12], env->regs[13],
 			env->regs[14], env->regs[15]);
-		fprintf(logfile, "--------------\n");
-		fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
+		qemu_log("--------------\n");
+		qemu_log("IN: %s\n", lookup_symbol(pc_start));
 	}
 
 	next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
@@ -3336,8 +3332,8 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
 #ifdef DEBUG_DISAS
 #if !DISAS_CRIS
 	if (loglevel & CPU_LOG_TB_IN_ASM) {
-		target_disas(logfile, pc_start, dc->pc - pc_start, 0);
-		fprintf(logfile, "\nisize=%d osize=%zd\n",
+		log_target_disas(pc_start, dc->pc - pc_start, 0);
+		qemu_log("\nisize=%d osize=%zd\n",
 			dc->pc - pc_start, gen_opc_ptr - gen_opc_buf);
 	}
 #endif
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c
index bb24353..8ebc63b 100644
--- a/target-i386/op_helper.c
+++ b/target-i386/op_helper.c
@@ -26,14 +26,9 @@
 
 
 #ifdef DEBUG_PCALL
-#  define LOG_PCALL(...) do {            \
-     if (loglevel & CPU_LOG_PCALL)       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
-#  define LOG_PCALL_STATE(env) do {                             \
-    if (loglevel & CPU_LOG_PCALL)                               \
-        cpu_dump_state((env), logfile, fprintf, X86_DUMP_CCOP); \
-   } while (0)
+#  define LOG_PCALL(...) qemu_log_mask(CPU_LOG_PCALL, ## __VA_ARGS__)
+#  define LOG_PCALL_STATE(env) \
+          log_cpu_state_mask(CPU_LOG_PCALL, (env), X86_DUMP_CCOP)
 #else
 #  define LOG_PCALL(...) do { } while (0)
 #  define LOG_PCALL_STATE(env) do { } while (0)
@@ -43,8 +38,7 @@
 #if 0
 #define raise_exception_err(a, b)\
 do {\
-    if (logfile)\
-        fprintf(logfile, "raise_exception line=%d\n", __LINE__);\
+    qemu_log("raise_exception line=%d\n", __LINE__);\
     (raise_exception_err)(a, b);\
 } while (0)
 #endif
@@ -1215,29 +1209,29 @@ void do_interrupt(int intno, int is_int, int error_code,
     if (loglevel & CPU_LOG_INT) {
         if ((env->cr[0] & CR0_PE_MASK)) {
             static int count;
-            fprintf(logfile, "%6d: v=%02x e=%04x i=%d cpl=%d IP=%04x:" TARGET_FMT_lx " pc=" TARGET_FMT_lx " SP=%04x:" TARGET_FMT_lx,
+            qemu_log("%6d: v=%02x e=%04x i=%d cpl=%d IP=%04x:" TARGET_FMT_lx " pc=" TARGET_FMT_lx " SP=%04x:" TARGET_FMT_lx,
                     count, intno, error_code, is_int,
                     env->hflags & HF_CPL_MASK,
                     env->segs[R_CS].selector, EIP,
                     (int)env->segs[R_CS].base + EIP,
                     env->segs[R_SS].selector, ESP);
             if (intno == 0x0e) {
-                fprintf(logfile, " CR2=" TARGET_FMT_lx, env->cr[2]);
+                qemu_log(" CR2=" TARGET_FMT_lx, env->cr[2]);
             } else {
-                fprintf(logfile, " EAX=" TARGET_FMT_lx, EAX);
+                qemu_log(" EAX=" TARGET_FMT_lx, EAX);
             }
-            fprintf(logfile, "\n");
-            cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
+            qemu_log("\n");
+            log_cpu_state(env, X86_DUMP_CCOP);
 #if 0
             {
                 int i;
                 uint8_t *ptr;
-                fprintf(logfile, "       code=");
+                qemu_log("       code=");
                 ptr = env->segs[R_CS].base + env->eip;
                 for(i = 0; i < 16; i++) {
-                    fprintf(logfile, " %02x", ldub(ptr + i));
+                    qemu_log(" %02x", ldub(ptr + i));
                 }
-                fprintf(logfile, "\n");
+                qemu_log("\n");
             }
 #endif
             count++;
@@ -1270,8 +1264,7 @@ static int check_exception(int intno, int *error_code)
     int second_contributory = intno == 0 ||
                                (intno >= 10 && intno <= 13);
 
-    if (loglevel & CPU_LOG_INT)
-        fprintf(logfile, "check_exception old: 0x%x new 0x%x\n",
+    qemu_log_mask(CPU_LOG_INT, "check_exception old: 0x%x new 0x%x\n",
                 env->old_exception, intno);
 
     if (env->old_exception == EXCP08_DBLE)
@@ -1352,10 +1345,8 @@ void do_smm_enter(void)
     SegmentCache *dt;
     int i, offset;
 
-    if (loglevel & CPU_LOG_INT) {
-        fprintf(logfile, "SMM: enter\n");
-        cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
-    }
+    qemu_log_mask(CPU_LOG_INT, "SMM: enter\n");
+    log_cpu_state_mask(CPU_LOG_INT, env, X86_DUMP_CCOP);
 
     env->hflags |= HF_SMM_MASK;
     cpu_smm_update(env);
@@ -1595,10 +1586,8 @@ void helper_rsm(void)
     env->hflags &= ~HF_SMM_MASK;
     cpu_smm_update(env);
 
-    if (loglevel & CPU_LOG_INT) {
-        fprintf(logfile, "SMM: after RSM\n");
-        cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
-    }
+    qemu_log_mask(CPU_LOG_INT, "SMM: after RSM\n");
+    log_cpu_state_mask(CPU_LOG_INT, env, X86_DUMP_CCOP);
 }
 
 #endif /* !CONFIG_USER_ONLY */
@@ -2156,7 +2145,7 @@ void helper_load_seg(int seg_reg, int selector)
                        get_seg_limit(e1, e2),
                        e2);
 #if 0
-        fprintf(logfile, "load_seg: sel=0x%04x base=0x%08lx limit=0x%08lx flags=%08x\n",
+        qemu_log("load_seg: sel=0x%04x base=0x%08lx limit=0x%08lx flags=%08x\n",
                 selector, (unsigned long)sc->base, sc->limit, sc->flags);
 #endif
     }
@@ -4774,8 +4763,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
     else
         addr = (uint32_t)EAX;
 
-    if (loglevel & CPU_LOG_TB_IN_ASM)
-        fprintf(logfile,"vmrun! " TARGET_FMT_lx "\n", addr);
+    qemu_log_mask(CPU_LOG_TB_IN_ASM, "vmrun! " TARGET_FMT_lx "\n", addr);
 
     env->vm_vmcb = addr;
 
@@ -4895,8 +4883,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
         uint32_t event_inj_err = ldl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj_err));
         stl_phys(env->vm_vmcb + offsetof(struct vmcb, control.event_inj), event_inj & ~SVM_EVTINJ_VALID);
 
-        if (loglevel & CPU_LOG_TB_IN_ASM)
-            fprintf(logfile, "Injecting(%#hx): ", valid_err);
+        qemu_log_mask(CPU_LOG_TB_IN_ASM, "Injecting(%#hx): ", valid_err);
         /* FIXME: need to implement valid_err */
         switch (event_inj & SVM_EVTINJ_TYPE_MASK) {
         case SVM_EVTINJ_TYPE_INTR:
@@ -4904,8 +4891,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
                 env->error_code = event_inj_err;
                 env->exception_is_int = 0;
                 env->exception_next_eip = -1;
-                if (loglevel & CPU_LOG_TB_IN_ASM)
-                    fprintf(logfile, "INTR");
+                qemu_log_mask(CPU_LOG_TB_IN_ASM, "INTR");
                 /* XXX: is it always correct ? */
                 do_interrupt(vector, 0, 0, 0, 1);
                 break;
@@ -4914,8 +4900,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
                 env->error_code = event_inj_err;
                 env->exception_is_int = 0;
                 env->exception_next_eip = EIP;
-                if (loglevel & CPU_LOG_TB_IN_ASM)
-                    fprintf(logfile, "NMI");
+                qemu_log_mask(CPU_LOG_TB_IN_ASM, "NMI");
                 cpu_loop_exit();
                 break;
         case SVM_EVTINJ_TYPE_EXEPT:
@@ -4923,8 +4908,7 @@ void helper_vmrun(int aflag, int next_eip_addend)
                 env->error_code = event_inj_err;
                 env->exception_is_int = 0;
                 env->exception_next_eip = -1;
-                if (loglevel & CPU_LOG_TB_IN_ASM)
-                    fprintf(logfile, "EXEPT");
+                qemu_log_mask(CPU_LOG_TB_IN_ASM, "EXEPT");
                 cpu_loop_exit();
                 break;
         case SVM_EVTINJ_TYPE_SOFT:
@@ -4932,13 +4916,11 @@ void helper_vmrun(int aflag, int next_eip_addend)
                 env->error_code = event_inj_err;
                 env->exception_is_int = 1;
                 env->exception_next_eip = EIP;
-                if (loglevel & CPU_LOG_TB_IN_ASM)
-                    fprintf(logfile, "SOFT");
+                qemu_log_mask(CPU_LOG_TB_IN_ASM, "SOFT");
                 cpu_loop_exit();
                 break;
         }
-        if (loglevel & CPU_LOG_TB_IN_ASM)
-            fprintf(logfile, " %#x %#x\n", env->exception_index, env->error_code);
+        qemu_log_mask(CPU_LOG_TB_IN_ASM, " %#x %#x\n", env->exception_index, env->error_code);
     }
 }
 
@@ -4958,8 +4940,7 @@ void helper_vmload(int aflag)
     else
         addr = (uint32_t)EAX;
 
-    if (loglevel & CPU_LOG_TB_IN_ASM)
-        fprintf(logfile,"vmload! " TARGET_FMT_lx "\nFS: %016" PRIx64 " | " TARGET_FMT_lx "\n",
+    qemu_log_mask(CPU_LOG_TB_IN_ASM, "vmload! " TARGET_FMT_lx "\nFS: %016" PRIx64 " | " TARGET_FMT_lx "\n",
                 addr, ldq_phys(addr + offsetof(struct vmcb, save.fs.base)),
                 env->segs[R_FS].base);
 
@@ -4994,8 +4975,7 @@ void helper_vmsave(int aflag)
     else
         addr = (uint32_t)EAX;
 
-    if (loglevel & CPU_LOG_TB_IN_ASM)
-        fprintf(logfile,"vmsave! " TARGET_FMT_lx "\nFS: %016" PRIx64 " | " TARGET_FMT_lx "\n",
+    qemu_log_mask(CPU_LOG_TB_IN_ASM, "vmsave! " TARGET_FMT_lx "\nFS: %016" PRIx64 " | " TARGET_FMT_lx "\n",
                 addr, ldq_phys(addr + offsetof(struct vmcb, save.fs.base)),
                 env->segs[R_FS].base);
 
@@ -5143,8 +5123,7 @@ void helper_vmexit(uint32_t exit_code, uint64_t exit_info_1)
 {
     uint32_t int_ctl;
 
-    if (loglevel & CPU_LOG_TB_IN_ASM)
-        fprintf(logfile,"vmexit(%08x, %016" PRIx64 ", %016" PRIx64 ", " TARGET_FMT_lx ")!\n",
+    qemu_log_mask(CPU_LOG_TB_IN_ASM, "vmexit(%08x, %016" PRIx64 ", %016" PRIx64 ", " TARGET_FMT_lx ")!\n",
                 exit_code, exit_info_1,
                 ldq_phys(env->vm_vmcb + offsetof(struct vmcb, control.exit_info_2)),
                 EIP);
diff --git a/target-i386/translate.c b/target-i386/translate.c
index 93f805f..d7f97dc 100644
--- a/target-i386/translate.c
+++ b/target-i386/translate.c
@@ -7675,21 +7675,19 @@ static inline void gen_intermediate_code_internal(CPUState *env,
     }
 
 #ifdef DEBUG_DISAS
-    if (loglevel & CPU_LOG_TB_CPU) {
-        cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
-    }
+    log_cpu_state_mask(CPU_LOG_TB_CPU, env, X86_DUMP_CCOP);
     if (loglevel & CPU_LOG_TB_IN_ASM) {
         int disas_flags;
-        fprintf(logfile, "----------------\n");
-        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
+        qemu_log("----------------\n");
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
 #ifdef TARGET_X86_64
         if (dc->code64)
             disas_flags = 2;
         else
 #endif
             disas_flags = !dc->code32;
-	target_disas(logfile, pc_start, pc_ptr - pc_start, disas_flags);
-        fprintf(logfile, "\n");
+        log_target_disas(pc_start, pc_ptr - pc_start, disas_flags);
+        qemu_log("\n");
     }
 #endif
 
@@ -7716,13 +7714,13 @@ void gen_pc_load(CPUState *env, TranslationBlock *tb,
 #ifdef DEBUG_DISAS
     if (loglevel & CPU_LOG_TB_OP) {
         int i;
-        fprintf(logfile, "RESTORE:\n");
+        qemu_log("RESTORE:\n");
         for(i = 0;i <= pc_pos; i++) {
             if (gen_opc_instr_start[i]) {
-                fprintf(logfile, "0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]);
+                qemu_log("0x%04x: " TARGET_FMT_lx "\n", i, gen_opc_pc[i]);
             }
         }
-        fprintf(logfile, "spc=0x%08lx pc_pos=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n",
+        qemu_log("spc=0x%08lx pc_pos=0x%x eip=" TARGET_FMT_lx " cs_base=%x\n",
                 searched_pc, pc_pos, gen_opc_pc[pc_pos] - tb->cs_base,
                 (uint32_t)tb->cs_base);
     }
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 0546fca..6f379fa 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -165,7 +165,7 @@ typedef void (*disas_proc)(DisasContext *, uint16_t);
 #define DISAS_INSN(name) \
   static void real_disas_##name (DisasContext *s, uint16_t insn); \
   static void disas_##name (DisasContext *s, uint16_t insn) { \
-    if (logfile) fprintf(logfile, "Dispatch " #name "\n"); \
+    qemu_log("Dispatch " #name "\n"); \
     real_disas_##name(s, insn); } \
   static void real_disas_##name (DisasContext *s, uint16_t insn)
 #else
@@ -3064,10 +3064,10 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
 
 #ifdef DEBUG_DISAS
     if (loglevel & CPU_LOG_TB_IN_ASM) {
-        fprintf(logfile, "----------------\n");
-        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
-        target_disas(logfile, pc_start, dc->pc - pc_start, 0);
-        fprintf(logfile, "\n");
+        qemu_log("----------------\n");
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
+        log_target_disas(pc_start, dc->pc - pc_start, 0);
+        qemu_log("\n");
     }
 #endif
     if (search_pc) {
diff --git a/target-mips/helper.c b/target-mips/helper.c
index 344d431..35b2c59 100644
--- a/target-mips/helper.c
+++ b/target-mips/helper.c
@@ -117,10 +117,7 @@ static int get_physical_address (CPUState *env, target_ulong *physical,
     int ret = TLBRET_MATCH;
 
 #if 0
-    if (logfile) {
-        fprintf(logfile, "user mode %d h %08x\n",
-                user_mode, env->hflags);
-    }
+    qemu_log("user mode %d h %08x\n", user_mode, env->hflags);
 #endif
 
     if (address <= (int32_t)0x7FFFFFFFUL) {
@@ -198,9 +195,8 @@ static int get_physical_address (CPUState *env, target_ulong *physical,
         }
     }
 #if 0
-    if (logfile) {
-        fprintf(logfile, TARGET_FMT_lx " %d %d => " TARGET_FMT_lx " %d (%d)\n",
-                address, rw, access_type, *physical, *prot, ret);
+    qemu_log(TARGET_FMT_lx " %d %d => " TARGET_FMT_lx " %d (%d)\n",
+            address, rw, access_type, *physical, *prot, ret);
     }
 #endif
 
@@ -233,13 +229,11 @@ int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
     int access_type;
     int ret = 0;
 
-    if (logfile) {
 #if 0
-        cpu_dump_state(env, logfile, fprintf, 0);
+    log_cpu_state(env, 0);
 #endif
-        fprintf(logfile, "%s pc " TARGET_FMT_lx " ad " TARGET_FMT_lx " rw %d mmu_idx %d smmu %d\n",
-                __func__, env->active_tc.PC, address, rw, mmu_idx, is_softmmu);
-    }
+    qemu_log("%s pc " TARGET_FMT_lx " ad " TARGET_FMT_lx " rw %d mmu_idx %d smmu %d\n",
+              __func__, env->active_tc.PC, address, rw, mmu_idx, is_softmmu);
 
     rw &= 1;
 
@@ -252,10 +246,8 @@ int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
 #else
     ret = get_physical_address(env, &physical, &prot,
                                address, rw, access_type);
-    if (logfile) {
-        fprintf(logfile, "%s address=" TARGET_FMT_lx " ret %d physical " TARGET_FMT_lx " prot %d\n",
-                __func__, address, ret, physical, prot);
-    }
+    qemu_log("%s address=" TARGET_FMT_lx " ret %d physical " TARGET_FMT_lx " prot %d\n",
+              __func__, address, ret, physical, prot);
     if (ret == TLBRET_MATCH) {
        ret = tlb_set_page(env, address & TARGET_PAGE_MASK,
                           physical & TARGET_PAGE_MASK, prot,
@@ -357,14 +349,14 @@ void do_interrupt (CPUState *env)
     int cause = -1;
     const char *name;
 
-    if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) {
+    if (qemu_log_enabled() && env->exception_index != EXCP_EXT_INTERRUPT) {
         if (env->exception_index < 0 || env->exception_index > EXCP_LAST)
             name = "unknown";
         else
             name = excp_names[env->exception_index];
 
-        fprintf(logfile, "%s enter: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " %s exception\n",
-                __func__, env->active_tc.PC, env->CP0_EPC, name);
+        qemu_log("%s enter: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " %s exception\n",
+                 __func__, env->active_tc.PC, env->CP0_EPC, name);
     }
     if (env->exception_index == EXCP_EXT_INTERRUPT &&
         (env->hflags & MIPS_HFLAG_DM))
@@ -558,15 +550,12 @@ void do_interrupt (CPUState *env)
         env->CP0_Cause = (env->CP0_Cause & ~(0x1f << CP0Ca_EC)) | (cause << CP0Ca_EC);
         break;
     default:
-        if (logfile) {
-            fprintf(logfile, "Invalid MIPS exception %d. Exiting\n",
-                    env->exception_index);
-        }
+        qemu_log("Invalid MIPS exception %d. Exiting\n", env->exception_index);
         printf("Invalid MIPS exception %d. Exiting\n", env->exception_index);
         exit(1);
     }
-    if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) {
-        fprintf(logfile, "%s: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " cause %d\n"
+    if (qemu_log_enabled() && env->exception_index != EXCP_EXT_INTERRUPT) {
+        qemu_log("%s: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx " cause %d\n"
                 "    S %08x C %08x A " TARGET_FMT_lx " D " TARGET_FMT_lx "\n",
                 __func__, env->active_tc.PC, env->CP0_EPC, cause,
                 env->CP0_Status, env->CP0_Cause, env->CP0_BadVAddr,
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index f09d8fe..6b0600a 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -29,8 +29,8 @@
 void do_raise_exception_err (uint32_t exception, int error_code)
 {
 #if 1
-    if (logfile && exception < 0x100)
-        fprintf(logfile, "%s: %d %d\n", __func__, exception, error_code);
+    if (exception < 0x100)
+        qemu_log("%s: %d %d\n", __func__, exception, error_code);
 #endif
     env->exception_index = exception;
     env->error_code = error_code;
@@ -1342,21 +1342,21 @@ void do_mtc0_datahi (target_ulong t0)
 
 void do_mtc0_status_debug(uint32_t old, uint32_t val)
 {
-    fprintf(logfile, "Status %08x (%08x) => %08x (%08x) Cause %08x",
+    qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
             old, old & env->CP0_Cause & CP0Ca_IP_mask,
             val, val & env->CP0_Cause & CP0Ca_IP_mask,
             env->CP0_Cause);
     switch (env->hflags & MIPS_HFLAG_KSU) {
-    case MIPS_HFLAG_UM: fputs(", UM\n", logfile); break;
-    case MIPS_HFLAG_SM: fputs(", SM\n", logfile); break;
-    case MIPS_HFLAG_KM: fputs("\n", logfile); break;
+    case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
+    case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
+    case MIPS_HFLAG_KM: qemu_log("\n"); break;
     default: cpu_abort(env, "Invalid MMU mode!\n"); break;
     }
 }
 
 void do_mtc0_status_irqraise_debug(void)
 {
-    fprintf(logfile, "Raise pending IRQs\n");
+    qemu_log("Raise pending IRQs\n");
 }
 
 /* MIPS MT functions */
@@ -1705,35 +1705,38 @@ target_ulong do_ei (void)
 
 static void debug_pre_eret (void)
 {
-    fprintf(logfile, "ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
-            env->active_tc.PC, env->CP0_EPC);
-    if (env->CP0_Status & (1 << CP0St_ERL))
-        fprintf(logfile, " ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
-    if (env->hflags & MIPS_HFLAG_DM)
-        fprintf(logfile, " DEPC " TARGET_FMT_lx, env->CP0_DEPC);
-    fputs("\n", logfile);
+    if (loglevel & CPU_LOG_EXEC) {
+        qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
+                env->active_tc.PC, env->CP0_EPC);
+        if (env->CP0_Status & (1 << CP0St_ERL))
+            qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
+        if (env->hflags & MIPS_HFLAG_DM)
+            qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
+        qemu_log("\n");
+    }
 }
 
 static void debug_post_eret (void)
 {
-    fprintf(logfile, "  =>  PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
-            env->active_tc.PC, env->CP0_EPC);
-    if (env->CP0_Status & (1 << CP0St_ERL))
-        fprintf(logfile, " ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
-    if (env->hflags & MIPS_HFLAG_DM)
-        fprintf(logfile, " DEPC " TARGET_FMT_lx, env->CP0_DEPC);
-    switch (env->hflags & MIPS_HFLAG_KSU) {
-    case MIPS_HFLAG_UM: fputs(", UM\n", logfile); break;
-    case MIPS_HFLAG_SM: fputs(", SM\n", logfile); break;
-    case MIPS_HFLAG_KM: fputs("\n", logfile); break;
-    default: cpu_abort(env, "Invalid MMU mode!\n"); break;
+    if (loglevel & CPU_LOG_EXEC) {
+        qemu_log("  =>  PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
+                env->active_tc.PC, env->CP0_EPC);
+        if (env->CP0_Status & (1 << CP0St_ERL))
+            qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
+        if (env->hflags & MIPS_HFLAG_DM)
+            qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
+        switch (env->hflags & MIPS_HFLAG_KSU) {
+        case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
+        case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
+        case MIPS_HFLAG_KM: qemu_log("\n"); break;
+        default: cpu_abort(env, "Invalid MMU mode!\n"); break;
+        }
     }
 }
 
 void do_eret (void)
 {
-    if (loglevel & CPU_LOG_EXEC)
-        debug_pre_eret();
+    debug_pre_eret();
     if (env->CP0_Status & (1 << CP0St_ERL)) {
         env->active_tc.PC = env->CP0_ErrorEPC;
         env->CP0_Status &= ~(1 << CP0St_ERL);
@@ -1742,20 +1745,17 @@ void do_eret (void)
         env->CP0_Status &= ~(1 << CP0St_EXL);
     }
     compute_hflags(env);
-    if (loglevel & CPU_LOG_EXEC)
-        debug_post_eret();
+    debug_post_eret();
     env->CP0_LLAddr = 1;
 }
 
 void do_deret (void)
 {
-    if (loglevel & CPU_LOG_EXEC)
-        debug_pre_eret();
+    debug_pre_eret();
     env->active_tc.PC = env->CP0_DEPC;
     env->hflags &= MIPS_HFLAG_DM;
     compute_hflags(env);
-    if (loglevel & CPU_LOG_EXEC)
-        debug_post_eret();
+    debug_post_eret();
     env->CP0_LLAddr = 1;
 }
 #endif /* !CONFIG_USER_ONLY */
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 59f9fd8..a3bbd74 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -514,18 +514,11 @@ static const char *fregnames_h[] =
       "h24", "h25", "h26", "h27", "h28", "h29", "h30", "h31", };
 
 #ifdef MIPS_DEBUG_DISAS
-#define MIPS_DEBUG(fmt, args...)                                              \
-do {                                                                          \
-    if (loglevel & CPU_LOG_TB_IN_ASM) {                                       \
-        fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n",                    \
-                ctx->pc, ctx->opcode , ##args);                               \
-    }                                                                         \
-} while (0)
-#define LOG_DISAS(...)                        \
-    do {                                      \
-        if (loglevel & CPU_LOG_TB_IN_ASM)     \
-            fprintf(logfile, ## __VA_ARGS__); \
-    } while (0)
+#define MIPS_DEBUG(fmt, args...)                         \
+        qemu_log_mask(CPU_LOG_TB_IN_ASM,                \
+                       TARGET_FMT_lx ": %08x " fmt "\n", \
+                       ctx->pc, ctx->opcode , ##args)
+#define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
 #else
 #define MIPS_DEBUG(fmt, args...) do { } while(0)
 #define LOG_DISAS(...) do { } while (0)
@@ -8180,8 +8173,8 @@ gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
     int num_insns;
     int max_insns;
 
-    if (search_pc && loglevel)
-        fprintf (logfile, "search pc %d\n", search_pc);
+    if (search_pc)
+        qemu_log("search pc %d\n", search_pc);
 
     pc_start = tb->pc;
     /* Leave some spare opc slots for branch handling. */
@@ -8203,11 +8196,9 @@ gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
     if (max_insns == 0)
         max_insns = CF_COUNT_MASK;
 #ifdef DEBUG_DISAS
-    if (loglevel & CPU_LOG_TB_CPU) {
-        fprintf(logfile, "------------------------------------------------\n");
-        /* FIXME: This may print out stale hflags from env... */
-        cpu_dump_state(env, logfile, fprintf, 0);
-    }
+    qemu_log_mask(CPU_LOG_TB_CPU, "------------------------------------------------\n");
+    /* FIXME: This may print out stale hflags from env... */
+    log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
 #endif
     LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
     gen_icount_start();
@@ -8299,13 +8290,11 @@ done_generating:
 #ifdef DEBUG_DISAS
     LOG_DISAS("\n");
     if (loglevel & CPU_LOG_TB_IN_ASM) {
-        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
-        target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
-        fprintf(logfile, "\n");
-    }
-    if (loglevel & CPU_LOG_TB_CPU) {
-        fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
+        log_target_disas(pc_start, ctx.pc - pc_start, 0);
+        qemu_log("\n");
     }
+    qemu_log_mask(CPU_LOG_TB_CPU, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
 #endif
 }
 
diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index 60e09e3..2bf7650 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -40,14 +40,8 @@
 //#define FLUSH_ALL_TLBS
 
 #ifdef DEBUG_MMU
-#  define LOG_MMU(...) do {              \
-     if (loglevel)                       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
-#  define LOG_MMU_STATE(env) do {                     \
-        if (loglevel)                                 \
-            cpu_dump_state(env, logfile, fprintf, 0); \
-   } while (0)
+#  define LOG_MMU(...) qemu_log(__VA_ARGS__)
+#  define LOG_MMU_STATE(env) log_cpu_state((env), 0)
 #else
 #  define LOG_MMU(...) do { } while (0)
 #  define LOG_MMU_STATE(...) do { } while (0)
@@ -55,37 +49,25 @@
 
 
 #ifdef DEBUG_SOFTWARE_TLB
-#  define LOG_SWTLB(...) do {            \
-     if (loglevel)                       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_SWTLB(...) qemu_log(__VA_ARGS__)
 #else
 #  define LOG_SWTLB(...) do { } while (0)
 #endif
 
 #ifdef DEBUG_BATS
-#  define LOG_BATS(...) do {             \
-     if (loglevel)                       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_BATS(...) qemu_log(__VA_ARGS__)
 #else
 #  define LOG_BATS(...) do { } while (0)
 #endif
 
 #ifdef DEBUG_SLB
-#  define LOG_SLB(...) do {              \
-     if (loglevel)                       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_SLB(...) qemu_log(__VA_ARGS__)
 #else
 #  define LOG_SLB(...) do { } while (0)
 #endif
 
 #ifdef DEBUG_EXCEPTIONS
-#  define LOG_EXCP(...) do {             \
-     if (loglevel)                       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_EXCP(...) qemu_log(__VA_ARGS__)
 #else
 #  define LOG_EXCP(...) do { } while (0)
 #endif
@@ -257,8 +239,7 @@ static always_inline int _pte_check (mmu_ctx_t *ctx, int is_64b,
             if (ctx->raddr != (target_phys_addr_t)-1ULL) {
                 /* all matches should have equal RPN, WIMG & PP */
                 if ((ctx->raddr & mmask) != (pte1 & mmask)) {
-                    if (loglevel != 0)
-                        fprintf(logfile, "Bad RPN/WIMG/PP\n");
+                    qemu_log("Bad RPN/WIMG/PP\n");
                     return -3;
                 }
             }
@@ -988,11 +969,11 @@ static always_inline int get_segment (CPUState *env, mmu_ctx_t *ctx,
                 }
             }
 #if defined (DUMP_PAGE_TABLES)
-            if (loglevel != 0) {
+            if (qemu_log_enabled()) {
                 target_phys_addr_t curaddr;
                 uint32_t a0, a1, a2, a3;
-                fprintf(logfile, "Page table: " PADDRX " len " PADDRX "\n",
-                        sdr, mask + 0x80);
+                qemu_log("Page table: " PADDRX " len " PADDRX "\n",
+                          sdr, mask + 0x80);
                 for (curaddr = sdr; curaddr < (sdr + mask + 0x80);
                      curaddr += 16) {
                     a0 = ldl_phys(curaddr);
@@ -1000,8 +981,8 @@ static always_inline int get_segment (CPUState *env, mmu_ctx_t *ctx,
                     a2 = ldl_phys(curaddr + 8);
                     a3 = ldl_phys(curaddr + 12);
                     if (a0 != 0 || a1 != 0 || a2 != 0 || a3 != 0) {
-                        fprintf(logfile, PADDRX ": %08x %08x %08x %08x\n",
-                                curaddr, a0, a1, a2, a3);
+                        qemu_log(PADDRX ": %08x %08x %08x %08x\n",
+                                  curaddr, a0, a1, a2, a3);
                     }
                 }
             }
@@ -1037,10 +1018,8 @@ static always_inline int get_segment (CPUState *env, mmu_ctx_t *ctx,
             /* eciwx or ecowx */
             return -4;
         default:
-            if (logfile) {
-                fprintf(logfile, "ERROR: instruction should not need "
+            qemu_log("ERROR: instruction should not need "
                         "address translation\n");
-            }
             return -4;
         }
         if ((rw == 1 || ctx->key != 1) && (rw == 0 || ctx->key != 0)) {
@@ -1064,8 +1043,7 @@ static always_inline int ppcemb_tlb_check (CPUState *env, ppcemb_tlb_t *tlb,
 
     /* Check valid flag */
     if (!(tlb->prot & PAGE_VALID)) {
-        if (loglevel != 0)
-            fprintf(logfile, "%s: TLB %d not valid\n", __func__, i);
+        qemu_log("%s: TLB %d not valid\n", __func__, i);
         return -1;
     }
     mask = ~(tlb->size - 1);
@@ -1335,9 +1313,7 @@ int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong eaddr,
     int ret;
 
 #if 0
-    if (loglevel != 0) {
-        fprintf(logfile, "%s\n", __func__);
-    }
+    qemu_log("%s\n", __func__);
 #endif
     if ((access_type == ACCESS_CODE && msr_ir == 0) ||
         (access_type != ACCESS_CODE && msr_dr == 0)) {
@@ -1388,10 +1364,8 @@ int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong eaddr,
         }
     }
 #if 0
-    if (loglevel != 0) {
-        fprintf(logfile, "%s address " ADDRX " => %d " PADDRX "\n",
+    qemu_log("%s address " ADDRX " => %d " PADDRX "\n",
                 __func__, eaddr, ret, ctx->raddr);
-    }
 #endif
 
     return ret;
@@ -2016,7 +1990,7 @@ void ppc_hw_interrupt (CPUState *env)
 #else /* defined (CONFIG_USER_ONLY) */
 static always_inline void dump_syscall (CPUState *env)
 {
-    fprintf(logfile, "syscall r0=" REGX " r3=" REGX " r4=" REGX
+    qemu_log_mask(CPU_LOG_INT, "syscall r0=" REGX " r3=" REGX " r4=" REGX
             " r5=" REGX " r6=" REGX " nip=" ADDRX "\n",
             ppc_dump_gpr(env, 0), ppc_dump_gpr(env, 3), ppc_dump_gpr(env, 4),
             ppc_dump_gpr(env, 5), ppc_dump_gpr(env, 6), env->nip);
@@ -2042,10 +2016,8 @@ static always_inline void powerpc_excp (CPUState *env,
         lpes1 = 1;
     }
 
-    if (loglevel & CPU_LOG_INT) {
-        fprintf(logfile, "Raise exception at " ADDRX " => %08x (%02x)\n",
-                env->nip, excp, env->error_code);
-    }
+    qemu_log_mask(CPU_LOG_INT, "Raise exception at " ADDRX " => %08x (%02x)\n",
+                 env->nip, excp, env->error_code);
     msr = env->msr;
     new_msr = msr;
     srr0 = SPR_SRR0;
@@ -2079,8 +2051,8 @@ static always_inline void powerpc_excp (CPUState *env,
             /* Machine check exception is not enabled.
              * Enter checkstop state.
              */
-            if (loglevel != 0) {
-                fprintf(logfile, "Machine check while not allowed. "
+            if (qemu_log_enabled()) {
+                qemu_log("Machine check while not allowed. "
                         "Entering checkstop state\n");
             } else {
                 fprintf(stderr, "Machine check while not allowed. "
@@ -2200,9 +2172,7 @@ static always_inline void powerpc_excp (CPUState *env,
                 return;
             }
         }
-        if (loglevel & CPU_LOG_INT) {
-            dump_syscall(env);
-        }
+        dump_syscall(env);
         new_msr &= ~((target_ulong)1 << MSR_RI);
         lev = env->error_code;
         if (lev == 1 || (lpes0 == 0 && lpes1 == 0))
@@ -2416,7 +2386,7 @@ static always_inline void powerpc_excp (CPUState *env,
         case POWERPC_EXCP_7x5:
         tlb_miss:
 #if defined (DEBUG_SOFTWARE_TLB)
-            if (loglevel != 0) {
+            if (qemu_log_enabled()) {
                 const unsigned char *es;
                 target_ulong *miss, *cmp;
                 int en;
@@ -2434,7 +2404,7 @@ static always_inline void powerpc_excp (CPUState *env,
                     miss = &env->spr[SPR_DMISS];
                     cmp = &env->spr[SPR_DCMP];
                 }
-                fprintf(logfile, "6xx %sTLB miss: %cM " ADDRX " %cC " ADDRX
+                qemu_log("6xx %sTLB miss: %cM " ADDRX " %cC " ADDRX
                         " H1 " ADDRX " H2 " ADDRX " %08x\n",
                         es, en, *miss, en, *cmp,
                         env->spr[SPR_HASH1], env->spr[SPR_HASH2],
@@ -2449,7 +2419,7 @@ static always_inline void powerpc_excp (CPUState *env,
         case POWERPC_EXCP_74xx:
         tlb_miss_74xx:
 #if defined (DEBUG_SOFTWARE_TLB)
-            if (loglevel != 0) {
+            if (qemu_log_enabled()) {
                 const unsigned char *es;
                 target_ulong *miss, *cmp;
                 int en;
@@ -2467,7 +2437,7 @@ static always_inline void powerpc_excp (CPUState *env,
                     miss = &env->spr[SPR_TLBMISS];
                     cmp = &env->spr[SPR_PTEHI];
                 }
-                fprintf(logfile, "74xx %sTLB miss: %cM " ADDRX " %cC " ADDRX
+                qemu_log("74xx %sTLB miss: %cM " ADDRX " %cC " ADDRX
                         " %08x\n",
                         es, en, *miss, en, *cmp, env->error_code);
             }
@@ -2619,11 +2589,9 @@ void ppc_hw_interrupt (CPUPPCState *env)
     int hdice;
 
 #if 0
-    if (loglevel & CPU_LOG_INT) {
-        fprintf(logfile, "%s: %p pending %08x req %08x me %d ee %d\n",
+    qemu_log_mask(CPU_LOG_INT, "%s: %p pending %08x req %08x me %d ee %d\n",
                 __func__, env, env->pending_interrupts,
                 env->interrupt_request, (int)msr_me, (int)msr_ee);
-    }
 #endif
     /* External reset */
     if (env->pending_interrupts & (1 << PPC_INTERRUPT_RESET)) {
@@ -2735,16 +2703,8 @@ void ppc_hw_interrupt (CPUPPCState *env)
 
 void cpu_dump_rfi (target_ulong RA, target_ulong msr)
 {
-    FILE *f;
-
-    if (logfile) {
-        f = logfile;
-    } else {
-        f = stdout;
-        return;
-    }
-    fprintf(f, "Return from exception at " ADDRX " with flags " ADDRX "\n",
-            RA, msr);
+    qemu_log("Return from exception at " ADDRX " with flags " ADDRX "\n",
+             RA, msr);
 }
 
 void cpu_ppc_reset (void *opaque)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index a5e3a3c..d531dd8 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -29,10 +29,7 @@
 //#define DEBUG_SOFTWARE_TLB
 
 #ifdef DEBUG_SOFTWARE_TLB
-#  define LOG_SWTLB(...) do {            \
-     if (loglevel)                       \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_SWTLB(...) qemu_log(__VA_ARGS__)
 #else
 #  define LOG_SWTLB(...) do { } while (0)
 #endif
@@ -84,18 +81,14 @@ void helper_store_cr (target_ulong val, uint32_t mask)
 /* SPR accesses */
 void helper_load_dump_spr (uint32_t sprn)
 {
-    if (loglevel != 0) {
-        fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n",
+    qemu_log("Read SPR %d %03x => " ADDRX "\n",
                 sprn, sprn, env->spr[sprn]);
-    }
 }
 
 void helper_store_dump_spr (uint32_t sprn)
 {
-    if (loglevel != 0) {
-        fprintf(logfile, "Write SPR %d %03x <= " ADDRX "\n",
+    qemu_log("Write SPR %d %03x <= " ADDRX "\n",
                 sprn, sprn, env->spr[sprn]);
-    }
 }
 
 target_ulong helper_load_tbl (void)
@@ -192,10 +185,8 @@ void helper_store_hid0_601 (target_ulong val)
         env->hflags_nmsr &= ~(1 << MSR_LE);
         env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE);
         env->hflags |= env->hflags_nmsr;
-        if (loglevel != 0) {
-            fprintf(logfile, "%s: set endianness to %c => " ADDRX "\n",
+        qemu_log("%s: set endianness to %c => " ADDRX "\n",
                     __func__, val & 0x8 ? 'l' : 'b', env->hflags);
-        }
     }
     env->spr[SPR_HID0] = (uint32_t)val;
 }
@@ -1870,15 +1861,11 @@ target_ulong helper_load_dcr (target_ulong dcrn)
     target_ulong val = 0;
 
     if (unlikely(env->dcr_env == NULL)) {
-        if (loglevel != 0) {
-            fprintf(logfile, "No DCR environment\n");
-        }
+        qemu_log("No DCR environment\n");
         helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
                                    POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
     } else if (unlikely(ppc_dcr_read(env->dcr_env, dcrn, &val) != 0)) {
-        if (loglevel != 0) {
-            fprintf(logfile, "DCR read error %d %03x\n", (int)dcrn, (int)dcrn);
-        }
+        qemu_log("DCR read error %d %03x\n", (int)dcrn, (int)dcrn);
         helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
                                    POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
     }
@@ -1888,15 +1875,11 @@ target_ulong helper_load_dcr (target_ulong dcrn)
 void helper_store_dcr (target_ulong dcrn, target_ulong val)
 {
     if (unlikely(env->dcr_env == NULL)) {
-        if (loglevel != 0) {
-            fprintf(logfile, "No DCR environment\n");
-        }
+        qemu_log("No DCR environment\n");
         helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
                                    POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
     } else if (unlikely(ppc_dcr_write(env->dcr_env, dcrn, val) != 0)) {
-        if (loglevel != 0) {
-            fprintf(logfile, "DCR write error %d %03x\n", (int)dcrn, (int)dcrn);
-        }
+        qemu_log("DCR write error %d %03x\n", (int)dcrn, (int)dcrn);
         helper_raise_exception_err(POWERPC_EXCP_PROGRAM,
                                    POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
     }
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 4d62e28..be3954c 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -43,10 +43,7 @@
 //#define DO_PPC_STATISTICS
 
 #ifdef PPC_DEBUG_DISAS
-#  define LOG_DISAS(...) do {            \
-     if (loglevel & CPU_LOG_TB_IN_ASM)   \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
 #else
 #  define LOG_DISAS(...) do { } while (0)
 #endif
@@ -3900,10 +3897,8 @@ static always_inline void gen_op_mfspr (DisasContext *ctx)
              * allowing userland application to read the PVR
              */
             if (sprn != SPR_PVR) {
-                if (loglevel != 0) {
-                    fprintf(logfile, "Trying to read privileged spr %d %03x at "
+                qemu_log("Trying to read privileged spr %d %03x at "
                             ADDRX "\n", sprn, sprn, ctx->nip);
-                }
                 printf("Trying to read privileged spr %d %03x at " ADDRX "\n",
                        sprn, sprn, ctx->nip);
             }
@@ -3911,10 +3906,8 @@ static always_inline void gen_op_mfspr (DisasContext *ctx)
         }
     } else {
         /* Not defined */
-        if (loglevel != 0) {
-            fprintf(logfile, "Trying to read invalid spr %d %03x at "
+        qemu_log("Trying to read invalid spr %d %03x at "
                     ADDRX "\n", sprn, sprn, ctx->nip);
-        }
         printf("Trying to read invalid spr %d %03x at " ADDRX "\n",
                sprn, sprn, ctx->nip);
         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR);
@@ -4046,20 +4039,16 @@ GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC)
             (*write_cb)(ctx, sprn, rS(ctx->opcode));
         } else {
             /* Privilege exception */
-            if (loglevel != 0) {
-                fprintf(logfile, "Trying to write privileged spr %d %03x at "
+            qemu_log("Trying to write privileged spr %d %03x at "
                         ADDRX "\n", sprn, sprn, ctx->nip);
-            }
             printf("Trying to write privileged spr %d %03x at " ADDRX "\n",
                    sprn, sprn, ctx->nip);
             gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
         }
     } else {
         /* Not defined */
-        if (loglevel != 0) {
-            fprintf(logfile, "Trying to write invalid spr %d %03x at "
+        qemu_log("Trying to write invalid spr %d %03x at "
                     ADDRX "\n", sprn, sprn, ctx->nip);
-        }
         printf("Trying to write invalid spr %d %03x at " ADDRX "\n",
                sprn, sprn, ctx->nip);
         gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR);
@@ -8267,11 +8256,11 @@ static always_inline void gen_intermediate_code_internal (CPUState *env,
         }
         /* Is opcode *REALLY* valid ? */
         if (unlikely(handler->handler == &gen_invalid)) {
-            if (loglevel != 0) {
-                fprintf(logfile, "invalid/unsupported opcode: "
-                        "%02x - %02x - %02x (%08x) " ADDRX " %d\n",
-                        opc1(ctx.opcode), opc2(ctx.opcode),
-                        opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir);
+            if (qemu_log_enabled()) {
+                qemu_log("invalid/unsupported opcode: "
+                          "%02x - %02x - %02x (%08x) " ADDRX " %d\n",
+                          opc1(ctx.opcode), opc2(ctx.opcode),
+                          opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir);
             } else {
                 printf("invalid/unsupported opcode: "
                        "%02x - %02x - %02x (%08x) " ADDRX " %d\n",
@@ -8280,12 +8269,12 @@ static always_inline void gen_intermediate_code_internal (CPUState *env,
             }
         } else {
             if (unlikely((ctx.opcode & handler->inval) != 0)) {
-                if (loglevel != 0) {
-                    fprintf(logfile, "invalid bits: %08x for opcode: "
-                            "%02x - %02x - %02x (%08x) " ADDRX "\n",
-                            ctx.opcode & handler->inval, opc1(ctx.opcode),
-                            opc2(ctx.opcode), opc3(ctx.opcode),
-                            ctx.opcode, ctx.nip - 4);
+                if (qemu_log_enabled()) {
+                    qemu_log("invalid bits: %08x for opcode: "
+                              "%02x - %02x - %02x (%08x) " ADDRX "\n",
+                              ctx.opcode & handler->inval, opc1(ctx.opcode),
+                              opc2(ctx.opcode), opc3(ctx.opcode),
+                              ctx.opcode, ctx.nip - 4);
                 } else {
                     printf("invalid bits: %08x for opcode: "
                            "%02x - %02x - %02x (%08x) " ADDRX "\n",
@@ -8343,17 +8332,15 @@ static always_inline void gen_intermediate_code_internal (CPUState *env,
         tb->icount = num_insns;
     }
 #if defined(DEBUG_DISAS)
-    if (loglevel & CPU_LOG_TB_CPU) {
-        fprintf(logfile, "---------------- excp: %04x\n", ctx.exception);
-        cpu_dump_state(env, logfile, fprintf, 0);
-    }
+    qemu_log_mask(CPU_LOG_TB_CPU, "---------------- excp: %04x\n", ctx.exception);
+    log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
     if (loglevel & CPU_LOG_TB_IN_ASM) {
         int flags;
         flags = env->bfd_mach;
         flags |= ctx.le_mode << 16;
-        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
-        target_disas(logfile, pc_start, ctx.nip - pc_start, flags);
-        fprintf(logfile, "\n");
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
+        log_target_disas(pc_start, ctx.nip - pc_start, flags);
+        qemu_log("\n");
     }
 #endif
 }
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index a790aeb0..d4e0a84 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -151,9 +151,9 @@ void do_interrupt(CPUState * env)
             expname = do_irq ? "interrupt" : "???";
             break;
 	}
-	fprintf(logfile, "exception 0x%03x [%s] raised\n",
-		irq_vector, expname);
-	cpu_dump_state(env, logfile, fprintf, 0);
+	qemu_log("exception 0x%03x [%s] raised\n",
+		  irq_vector, expname);
+	log_cpu_state(env, 0);
     }
 
     env->ssr = env->sr;
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 7e36cf8..0f48bf1 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -1840,11 +1840,9 @@ gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
     ctx.features = env->features;
 
 #ifdef DEBUG_DISAS
-    if (loglevel & CPU_LOG_TB_CPU) {
-	fprintf(logfile,
-		"------------------------------------------------\n");
-	cpu_dump_state(env, logfile, fprintf, 0);
-    }
+    qemu_log_mask(CPU_LOG_TB_CPU,
+                 "------------------------------------------------\n");
+    log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
 #endif
 
     ii = -1;
@@ -1937,13 +1935,12 @@ gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
 
 #ifdef DEBUG_DISAS
 #ifdef SH4_DEBUG_DISAS
-    if (loglevel & CPU_LOG_TB_IN_ASM)
-	fprintf(logfile, "\n");
+    qemu_log_mask(CPU_LOG_TB_IN_ASM, "\n");
 #endif
     if (loglevel & CPU_LOG_TB_IN_ASM) {
-	fprintf(logfile, "IN:\n");	/* , lookup_symbol(pc_start)); */
-	target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
-	fprintf(logfile, "\n");
+	qemu_log("IN:\n");	/* , lookup_symbol(pc_start)); */
+	log_target_disas(pc_start, ctx.pc - pc_start, 0);
+	qemu_log("\n");
     }
 #endif
 }
diff --git a/target-sparc/op_helper.c b/target-sparc/op_helper.c
index 0cde695..0ba4cae 100644
--- a/target-sparc/op_helper.c
+++ b/target-sparc/op_helper.c
@@ -2829,23 +2829,23 @@ void do_interrupt(CPUState *env)
                 name = "Unknown";
         }
 
-        fprintf(logfile, "%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
+        qemu_log("%6d: %s (v=%04x) pc=%016" PRIx64 " npc=%016" PRIx64
                 " SP=%016" PRIx64 "\n",
                 count, name, intno,
                 env->pc,
                 env->npc, env->regwptr[6]);
-        cpu_dump_state(env, logfile, fprintf, 0);
+        log_cpu_state(env, 0);
 #if 0
         {
             int i;
             uint8_t *ptr;
 
-            fprintf(logfile, "       code=");
+            qemu_log("       code=");
             ptr = (uint8_t *)env->pc;
             for(i = 0; i < 16; i++) {
-                fprintf(logfile, " %02x", ldub(ptr + i));
+                qemu_log(" %02x", ldub(ptr + i));
             }
-            fprintf(logfile, "\n");
+            qemu_log("\n");
         }
 #endif
         count++;
@@ -2956,22 +2956,22 @@ void do_interrupt(CPUState *env)
                 name = "Unknown";
         }
 
-        fprintf(logfile, "%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
+        qemu_log("%6d: %s (v=%02x) pc=%08x npc=%08x SP=%08x\n",
                 count, name, intno,
                 env->pc,
                 env->npc, env->regwptr[6]);
-        cpu_dump_state(env, logfile, fprintf, 0);
+        log_cpu_state(env, 0);
 #if 0
         {
             int i;
             uint8_t *ptr;
 
-            fprintf(logfile, "       code=");
+            qemu_log("       code=");
             ptr = (uint8_t *)env->pc;
             for(i = 0; i < 16; i++) {
-                fprintf(logfile, " %02x", ldub(ptr + i));
+                qemu_log(" %02x", ldub(ptr + i));
             }
-            fprintf(logfile, "\n");
+            qemu_log("\n");
         }
 #endif
         count++;
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 37530e3..8b380e8 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -4829,8 +4829,7 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb,
             }
         }
         if (spc) {
-            if (loglevel > 0)
-                fprintf(logfile, "Search PC...\n");
+            qemu_log("Search PC...\n");
             j = gen_opc_ptr - gen_opc_buf;
             if (lj < j) {
                 lj++;
@@ -4897,9 +4896,7 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb,
         while (lj <= j)
             gen_opc_instr_start[lj++] = 0;
 #if 0
-        if (loglevel > 0) {
-            page_dump(logfile);
-        }
+        log_page_dump();
 #endif
         gen_opc_jump_pc[0] = dc->jump_pc[0];
         gen_opc_jump_pc[1] = dc->jump_pc[1];
@@ -4909,10 +4906,10 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb,
     }
 #ifdef DEBUG_DISAS
     if (loglevel & CPU_LOG_TB_IN_ASM) {
-        fprintf(logfile, "--------------\n");
-        fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
-        target_disas(logfile, pc_start, last_pc + 4 - pc_start, 0);
-        fprintf(logfile, "\n");
+        qemu_log("--------------\n");
+        qemu_log("IN: %s\n", lookup_symbol(pc_start));
+        log_target_disas(pc_start, last_pc + 4 - pc_start, 0);
+        qemu_log("\n");
     }
 #endif
 }
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 21b69fe..39254a6 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1879,9 +1879,9 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
 
 #ifdef DEBUG_DISAS
     if (unlikely(loglevel & CPU_LOG_TB_OP)) {
-        fprintf(logfile, "OP:\n");
+        qemu_log("OP:\n");
         tcg_dump_ops(s, logfile);
-        fprintf(logfile, "\n");
+        qemu_log("\n");
     }
 #endif
 
@@ -1895,9 +1895,9 @@ static inline int tcg_gen_code_common(TCGContext *s, uint8_t *gen_code_buf,
 
 #ifdef DEBUG_DISAS
     if (unlikely(loglevel & CPU_LOG_TB_OP_OPT)) {
-        fprintf(logfile, "OP after la:\n");
+        qemu_log("OP after la:\n");
         tcg_dump_ops(s, logfile);
-        fprintf(logfile, "\n");
+        qemu_log("\n");
     }
 #endif
 
diff --git a/translate-all.c b/translate-all.c
index 1d1364b..894062a 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -128,9 +128,9 @@ int cpu_gen_code(CPUState *env, TranslationBlock *tb, int *gen_code_size_ptr)
 
 #ifdef DEBUG_DISAS
     if (loglevel & CPU_LOG_TB_OUT_ASM) {
-        fprintf(logfile, "OUT: [size=%d]\n", *gen_code_size_ptr);
-        disas(logfile, tb->tc_ptr, *gen_code_size_ptr);
-        fprintf(logfile, "\n");
+        qemu_log("OUT: [size=%d]\n", *gen_code_size_ptr);
+        log_disas(tb->tc_ptr, *gen_code_size_ptr);
+        qemu_log("\n");
         fflush(logfile);
     }
 #endif
diff --git a/vl.c b/vl.c
index d099658..0482d97 100644
--- a/vl.c
+++ b/vl.c
@@ -156,10 +156,7 @@
 
 
 #ifdef DEBUG_IOPORT
-#  define LOG_IOPORT(...) do {           \
-     if (loglevel & CPU_LOG_IOPORT)      \
-       fprintf(logfile, ## __VA_ARGS__); \
-   } while (0)
+#  define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__)
 #else
 #  define LOG_IOPORT(...) do { } while (0)
 #endif