nbd: Send message along with server NBD_REP_ERR errors

[qemu.git] / target-sparc / mmu_helper.c

diff --git a/target-sparc/mmu_helper.c b/target-sparc/mmu_helper.c
index 61afbcf048cafd58a44e59e9e6559e3c2c2d93c4..044e88c4c53cf1308f3028b700a3d4537a34e608 100644 (file)
--- a/target-sparc/mmu_helper.c
+++ b/target-sparc/mmu_helper.c
@@ -17,7 +17,9 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "cpu.h"
+#include "exec/exec-all.h"
 #include "trace.h"
 #include "exec/address-spaces.h"
 
@@ -90,7 +92,7 @@ static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
 
     is_user = mmu_idx == MMU_USER_IDX;
 
-    if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
+    if (mmu_idx == MMU_PHYS_IDX) {
         *page_size = TARGET_PAGE_SIZE;
         /* Boot mode: instruction fetches are taken from PROM */
         if (rw == 2 && (env->mmuregs[0] & env->def->mmu_bm)) {
@@ -213,10 +215,9 @@ int sparc_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
                                       address, rw, mmu_idx, &page_size);
     vaddr = address;
     if (error_code == 0) {
-#ifdef DEBUG_MMU
-        printf("Translate at %" VADDR_PRIx " -> " TARGET_FMT_plx ", vaddr "
-               TARGET_FMT_lx "\n", address, paddr, vaddr);
-#endif
+        qemu_log_mask(CPU_LOG_MMU,
+                "Translate at %" VADDR_PRIx " -> " TARGET_FMT_plx ", vaddr "
+                TARGET_FMT_lx "\n", address, paddr, vaddr);
         tlb_set_page(cs, vaddr, paddr, prot, mmu_idx, page_size);
         return 0;
     }
@@ -493,23 +494,21 @@ static int get_physical_address_data(CPUSPARCState *env,
     unsigned int i;
     uint64_t context;
     uint64_t sfsr = 0;
-
-    int is_user = (mmu_idx == MMU_USER_IDX ||
-                   mmu_idx == MMU_USER_SECONDARY_IDX);
-
-    if ((env->lsu & DMMU_E) == 0) { /* DMMU disabled */
-        *physical = ultrasparc_truncate_physical(address);
-        *prot = PAGE_READ | PAGE_WRITE;
-        return 0;
-    }
+    bool is_user = false;
 
     switch (mmu_idx) {
+    case MMU_PHYS_IDX:
+        g_assert_not_reached();
     case MMU_USER_IDX:
+        is_user = true;
+        /* fallthru */
     case MMU_KERNEL_IDX:
         context = env->dmmu.mmu_primary_context & 0x1fff;
         sfsr |= SFSR_CT_PRIMARY;
         break;
     case MMU_USER_SECONDARY_IDX:
+        is_user = true;
+        /* fallthru */
     case MMU_KERNEL_SECONDARY_IDX:
         context = env->dmmu.mmu_secondary_context & 0x1fff;
         sfsr |= SFSR_CT_SECONDARY;
@@ -612,15 +611,22 @@ static int get_physical_address_code(CPUSPARCState *env,
     CPUState *cs = CPU(sparc_env_get_cpu(env));
     unsigned int i;
     uint64_t context;
+    bool is_user = false;
 
-    int is_user = (mmu_idx == MMU_USER_IDX ||
-                   mmu_idx == MMU_USER_SECONDARY_IDX);
-
-    if ((env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0) {
-        /* IMMU disabled */
-        *physical = ultrasparc_truncate_physical(address);
-        *prot = PAGE_EXEC;
-        return 0;
+    switch (mmu_idx) {
+    case MMU_PHYS_IDX:
+    case MMU_USER_SECONDARY_IDX:
+    case MMU_KERNEL_SECONDARY_IDX:
+        g_assert_not_reached();
+    case MMU_USER_IDX:
+        is_user = true;
+        /* fallthru */
+    case MMU_KERNEL_IDX:
+        context = env->dmmu.mmu_primary_context & 0x1fff;
+        break;
+    default:
+        context = 0;
+        break;
     }
 
     if (env->tl == 0) {
@@ -699,6 +705,12 @@ static int get_physical_address(CPUSPARCState *env, hwaddr *physical,
         }
     }
 
+    if (mmu_idx == MMU_PHYS_IDX) {
+        *physical = ultrasparc_truncate_physical(address);
+        *prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
+        return 0;
+    }
+
     if (rw == 2) {
         return get_physical_address_code(env, physical, prot, address,
                                          mmu_idx);
@@ -850,7 +862,7 @@ hwaddr sparc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
     SPARCCPU *cpu = SPARC_CPU(cs);
     CPUSPARCState *env = &cpu->env;
     hwaddr phys_addr;
-    int mmu_idx = cpu_mmu_index(env);
+    int mmu_idx = cpu_mmu_index(env, false);
     MemoryRegionSection section;
 
     if (cpu_sparc_get_phys_page(env, &phys_addr, addr, 2, mmu_idx) != 0) {