target: Clean up how the dump_mmu() print

The various dump_mmu() take an fprintf()-like callback and a FILE * to
pass to it, and so do their helper functions.  Passing around callback
and argument is rather tiresome.

Most dump_mmu() are called only by the target's hmp_info_tlb().  These
all pass monitor_printf() cast to fprintf_function and the current
monitor cast to FILE *.

SPARC's dump_mmu() gets also called from target/sparc/ldst_helper.c a
few times #ifdef DEBUG_MMU.  These calls pass fprintf() and stdout.

The type-punning is technically undefined behaviour, but works in
practice.  Clean up: drop the callback, and call qemu_printf()
instead.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190417191805.28198-11-armbru@redhat.com>

4 files changed, 60 insertions, 59 deletions

diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h
index ab9fa3d..b298bd9 100644
--- a/target/sparc/cpu.h
+++ b/target/sparc/cpu.h
@@ -583,7 +583,7 @@ void sparc_cpu_list(void);
 int sparc_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int size, int rw,
                                int mmu_idx);
 target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev);
-void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env);
+void dump_mmu(CPUSPARCState *env);
 
 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
 int sparc_cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
diff --git a/target/sparc/ldst_helper.c b/target/sparc/ldst_helper.c
index 5bc0902..a7fcb84 100644
--- a/target/sparc/ldst_helper.c
+++ b/target/sparc/ldst_helper.c
@@ -198,7 +198,7 @@ static void demap_tlb(SparcTLBEntry *tlb, target_ulong demap_addr,
             replace_tlb_entry(&tlb[i], 0, 0, env1);
 #ifdef DEBUG_MMU
             DPRINTF_MMU("%s demap invalidated entry [%02u]\n", strmmu, i);
-            dump_mmu(stdout, fprintf, env1);
+            dump_mmu(env1);
 #endif
         }
     }
@@ -260,7 +260,7 @@ static void replace_tlb_1bit_lru(SparcTLBEntry *tlb,
             replace_tlb_entry(&tlb[i], tlb_tag, tlb_tte, env1);
 #ifdef DEBUG_MMU
             DPRINTF_MMU("%s lru replaced invalid entry [%i]\n", strmmu, i);
-            dump_mmu(stdout, fprintf, env1);
+            dump_mmu(env1);
 #endif
             return;
         }
@@ -279,7 +279,7 @@ static void replace_tlb_1bit_lru(SparcTLBEntry *tlb,
 #ifdef DEBUG_MMU
                 DPRINTF_MMU("%s lru replaced unlocked %s entry [%i]\n",
                             strmmu, (replace_used ? "used" : "unused"), i);
-                dump_mmu(stdout, fprintf, env1);
+                dump_mmu(env1);
 #endif
                 return;
             }
@@ -886,7 +886,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val,
                 break;
             }
 #ifdef DEBUG_MMU
-            dump_mmu(stdout, fprintf, env);
+            dump_mmu(env);
 #endif
         }
         break;
@@ -941,7 +941,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, uint64_t val,
                             reg, oldreg, env->mmuregs[reg]);
             }
 #ifdef DEBUG_MMU
-            dump_mmu(stdout, fprintf, env);
+            dump_mmu(env);
 #endif
         }
         break;
@@ -1634,7 +1634,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val,
                             PRIx64 "\n", reg, oldreg, env->immuregs[reg]);
             }
 #ifdef DEBUG_MMU
-            dump_mmu(stdout, fprintf, env);
+            dump_mmu(env);
 #endif
             return;
         }
@@ -1658,7 +1658,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val,
             }
 #ifdef DEBUG_MMU
             DPRINTF_MMU("immu data access replaced entry [%i]\n", i);
-            dump_mmu(stdout, fprintf, env);
+            dump_mmu(env);
 #endif
             return;
         }
@@ -1718,7 +1718,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val,
                             PRIx64 "\n", reg, oldreg, env->dmmuregs[reg]);
             }
 #ifdef DEBUG_MMU
-            dump_mmu(stdout, fprintf, env);
+            dump_mmu(env);
 #endif
             return;
         }
@@ -1740,7 +1740,7 @@ void helper_st_asi(CPUSPARCState *env, target_ulong addr, target_ulong val,
             }
 #ifdef DEBUG_MMU
             DPRINTF_MMU("dmmu data access replaced entry [%i]\n", i);
-            dump_mmu(stdout, fprintf, env);
+            dump_mmu(env);
 #endif
             return;
         }
diff --git a/target/sparc/mmu_helper.c b/target/sparc/mmu_helper.c
index 135a9c9..afcc5b6 100644
--- a/target/sparc/mmu_helper.c
+++ b/target/sparc/mmu_helper.c
@@ -20,6 +20,7 @@
 #include "qemu/osdep.h"
 #include "cpu.h"
 #include "exec/exec-all.h"
+#include "qemu/qemu-print.h"
 #include "trace.h"
 
 /* Sparc MMU emulation */
@@ -320,7 +321,7 @@ target_ulong mmu_probe(CPUSPARCState *env, target_ulong address, int mmulev)
     return 0;
 }
 
-void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env)
+void dump_mmu(CPUSPARCState *env)
 {
     CPUState *cs = CPU(sparc_env_get_cpu(env));
     target_ulong va, va1, va2;
@@ -330,29 +331,29 @@ void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env)
 
     pde_ptr = (env->mmuregs[1] << 4) + (env->mmuregs[2] << 2);
     pde = ldl_phys(cs->as, pde_ptr);
-    (*cpu_fprintf)(f, "Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
-                   (hwaddr)env->mmuregs[1] << 4, env->mmuregs[2]);
+    qemu_printf("Root ptr: " TARGET_FMT_plx ", ctx: %d\n",
+                (hwaddr)env->mmuregs[1] << 4, env->mmuregs[2]);
     for (n = 0, va = 0; n < 256; n++, va += 16 * 1024 * 1024) {
         pde = mmu_probe(env, va, 2);
         if (pde) {
             pa = cpu_get_phys_page_debug(cs, va);
-            (*cpu_fprintf)(f, "VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
-                           " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
+            qemu_printf("VA: " TARGET_FMT_lx ", PA: " TARGET_FMT_plx
+                        " PDE: " TARGET_FMT_lx "\n", va, pa, pde);
             for (m = 0, va1 = va; m < 64; m++, va1 += 256 * 1024) {
                 pde = mmu_probe(env, va1, 1);
                 if (pde) {
                     pa = cpu_get_phys_page_debug(cs, va1);
-                    (*cpu_fprintf)(f, " VA: " TARGET_FMT_lx ", PA: "
-                                   TARGET_FMT_plx " PDE: " TARGET_FMT_lx "\n",
-                                   va1, pa, pde);
+                    qemu_printf(" VA: " TARGET_FMT_lx ", PA: "
+                                TARGET_FMT_plx " PDE: " TARGET_FMT_lx "\n",
+                                va1, pa, pde);
                     for (o = 0, va2 = va1; o < 64; o++, va2 += 4 * 1024) {
                         pde = mmu_probe(env, va2, 0);
                         if (pde) {
                             pa = cpu_get_phys_page_debug(cs, va2);
-                            (*cpu_fprintf)(f, "  VA: " TARGET_FMT_lx ", PA: "
-                                           TARGET_FMT_plx " PTE: "
-                                           TARGET_FMT_lx "\n",
-                                           va2, pa, pde);
+                            qemu_printf("  VA: " TARGET_FMT_lx ", PA: "
+                                        TARGET_FMT_plx " PTE: "
+                                        TARGET_FMT_lx "\n",
+                                        va2, pa, pde);
                         }
                     }
                 }
@@ -739,21 +740,21 @@ int sparc_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int size, int rw,
     return 1;
 }
 
-void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env)
+void dump_mmu(CPUSPARCState *env)
 {
     unsigned int i;
     const char *mask;
 
-    (*cpu_fprintf)(f, "MMU contexts: Primary: %" PRId64 ", Secondary: %"
-                   PRId64 "\n",
-                   env->dmmu.mmu_primary_context,
-                   env->dmmu.mmu_secondary_context);
-    (*cpu_fprintf)(f, "DMMU Tag Access: %" PRIx64 ", TSB Tag Target: %" PRIx64
-                   "\n", env->dmmu.tag_access, env->dmmu.tsb_tag_target);
+    qemu_printf("MMU contexts: Primary: %" PRId64 ", Secondary: %"
+                PRId64 "\n",
+                env->dmmu.mmu_primary_context,
+                env->dmmu.mmu_secondary_context);
+    qemu_printf("DMMU Tag Access: %" PRIx64 ", TSB Tag Target: %" PRIx64
+                "\n", env->dmmu.tag_access, env->dmmu.tsb_tag_target);
     if ((env->lsu & DMMU_E) == 0) {
-        (*cpu_fprintf)(f, "DMMU disabled\n");
+        qemu_printf("DMMU disabled\n");
     } else {
-        (*cpu_fprintf)(f, "DMMU dump\n");
+        qemu_printf("DMMU dump\n");
         for (i = 0; i < 64; i++) {
             switch (TTE_PGSIZE(env->dtlb[i].tte)) {
             default:
@@ -771,26 +772,26 @@ void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env)
                 break;
             }
             if (TTE_IS_VALID(env->dtlb[i].tte)) {
-                (*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %llx"
-                               ", %s, %s, %s, %s, ctx %" PRId64 " %s\n",
-                               i,
-                               env->dtlb[i].tag & (uint64_t)~0x1fffULL,
-                               TTE_PA(env->dtlb[i].tte),
-                               mask,
-                               TTE_IS_PRIV(env->dtlb[i].tte) ? "priv" : "user",
-                               TTE_IS_W_OK(env->dtlb[i].tte) ? "RW" : "RO",
-                               TTE_IS_LOCKED(env->dtlb[i].tte) ?
-                               "locked" : "unlocked",
-                               env->dtlb[i].tag & (uint64_t)0x1fffULL,
-                               TTE_IS_GLOBAL(env->dtlb[i].tte) ?
-                               "global" : "local");
+                qemu_printf("[%02u] VA: %" PRIx64 ", PA: %llx"
+                            ", %s, %s, %s, %s, ctx %" PRId64 " %s\n",
+                            i,
+                            env->dtlb[i].tag & (uint64_t)~0x1fffULL,
+                            TTE_PA(env->dtlb[i].tte),
+                            mask,
+                            TTE_IS_PRIV(env->dtlb[i].tte) ? "priv" : "user",
+                            TTE_IS_W_OK(env->dtlb[i].tte) ? "RW" : "RO",
+                            TTE_IS_LOCKED(env->dtlb[i].tte) ?
+                            "locked" : "unlocked",
+                            env->dtlb[i].tag & (uint64_t)0x1fffULL,
+                            TTE_IS_GLOBAL(env->dtlb[i].tte) ?
+                            "global" : "local");
             }
         }
     }
     if ((env->lsu & IMMU_E) == 0) {
-        (*cpu_fprintf)(f, "IMMU disabled\n");
+        qemu_printf("IMMU disabled\n");
     } else {
-        (*cpu_fprintf)(f, "IMMU dump\n");
+        qemu_printf("IMMU dump\n");
         for (i = 0; i < 64; i++) {
             switch (TTE_PGSIZE(env->itlb[i].tte)) {
             default:
@@ -808,18 +809,18 @@ void dump_mmu(FILE *f, fprintf_function cpu_fprintf, CPUSPARCState *env)
                 break;
             }
             if (TTE_IS_VALID(env->itlb[i].tte)) {
-                (*cpu_fprintf)(f, "[%02u] VA: %" PRIx64 ", PA: %llx"
-                               ", %s, %s, %s, ctx %" PRId64 " %s\n",
-                               i,
-                               env->itlb[i].tag & (uint64_t)~0x1fffULL,
-                               TTE_PA(env->itlb[i].tte),
-                               mask,
-                               TTE_IS_PRIV(env->itlb[i].tte) ? "priv" : "user",
-                               TTE_IS_LOCKED(env->itlb[i].tte) ?
-                               "locked" : "unlocked",
-                               env->itlb[i].tag & (uint64_t)0x1fffULL,
-                               TTE_IS_GLOBAL(env->itlb[i].tte) ?
-                               "global" : "local");
+                qemu_printf("[%02u] VA: %" PRIx64 ", PA: %llx"
+                            ", %s, %s, %s, ctx %" PRId64 " %s\n",
+                            i,
+                            env->itlb[i].tag & (uint64_t)~0x1fffULL,
+                            TTE_PA(env->itlb[i].tte),
+                            mask,
+                            TTE_IS_PRIV(env->itlb[i].tte) ? "priv" : "user",
+                            TTE_IS_LOCKED(env->itlb[i].tte) ?
+                            "locked" : "unlocked",
+                            env->itlb[i].tag & (uint64_t)0x1fffULL,
+                            TTE_IS_GLOBAL(env->itlb[i].tte) ?
+                            "global" : "local");
             }
         }
     }
diff --git a/target/sparc/monitor.c b/target/sparc/monitor.c
index f3ca524..3ec3b51 100644
--- a/target/sparc/monitor.c
+++ b/target/sparc/monitor.c
@@ -36,7 +36,7 @@ void hmp_info_tlb(Monitor *mon, const QDict *qdict)
         monitor_printf(mon, "No CPU available\n");
         return;
     }
-    dump_mmu((FILE*)mon, (fprintf_function)monitor_printf, env1);
+    dump_mmu(env1);
 }
 
 #ifndef TARGET_SPARC64