rdma: bugfix: ram_control_save_page()

[qemu.git] / cputlb.c

diff --git a/cputlb.c b/cputlb.c
index 51b5897d37b604e74300b2b92758e09282ea897c..977c0ca59d3c527941084fc255ed10b5185d6b32 100644 (file)
--- a/cputlb.c
+++ b/cputlb.c
@@ -19,13 +19,13 @@
 
 #include "config.h"
 #include "cpu.h"
-#include "exec-all.h"
-#include "memory.h"
+#include "exec/exec-all.h"
+#include "exec/memory.h"
+#include "exec/address-spaces.h"
 
-#include "cputlb.h"
+#include "exec/cputlb.h"
 
-#define WANT_EXEC_OBSOLETE
-#include "exec-obsolete.h"
+#include "exec/memory-internal.h"
 
 //#define DEBUG_TLB
 //#define DEBUG_TLB_CHECK
@@ -54,6 +54,7 @@ static const CPUTLBEntry s_cputlb_empty_entry = {
  */
 void tlb_flush(CPUArchState *env, int flush_global)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
     int i;
 
 #if defined(DEBUG_TLB)
@@ -61,7 +62,7 @@ void tlb_flush(CPUArchState *env, int flush_global)
 #endif
     /* must reset current TB so that interrupts cannot modify the
        links while we are modifying them */
-    env->current_tb = NULL;
+    cpu->current_tb = NULL;
 
     for (i = 0; i < CPU_TLB_SIZE; i++) {
         int mmu_idx;
@@ -92,6 +93,7 @@ static inline void tlb_flush_entry(CPUTLBEntry *tlb_entry, target_ulong addr)
 
 void tlb_flush_page(CPUArchState *env, target_ulong addr)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
     int i;
     int mmu_idx;
 
@@ -110,7 +112,7 @@ void tlb_flush_page(CPUArchState *env, target_ulong addr)
     }
     /* must reset current TB so that interrupts cannot modify the
        links while we are modifying them */
-    env->current_tb = NULL;
+    cpu->current_tb = NULL;
 
     addr &= TARGET_PAGE_MASK;
     i = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
@@ -156,6 +158,17 @@ void tlb_reset_dirty_range(CPUTLBEntry *tlb_entry, uintptr_t start,
     }
 }
 
+static inline ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr)
+{
+    ram_addr_t ram_addr;
+
+    if (qemu_ram_addr_from_host(ptr, &ram_addr) == NULL) {
+        fprintf(stderr, "Bad ram pointer %p\n", ptr);
+        abort();
+    }
+    return ram_addr;
+}
+
 static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry)
 {
     ram_addr_t ram_addr;
@@ -173,11 +186,13 @@ static inline void tlb_update_dirty(CPUTLBEntry *tlb_entry)
 
 void cpu_tlb_reset_dirty_all(ram_addr_t start1, ram_addr_t length)
 {
+    CPUState *cpu;
     CPUArchState *env;
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
+    for (cpu = first_cpu; cpu != NULL; cpu = cpu->next_cpu) {
         int mmu_idx;
 
+        env = cpu->env_ptr;
         for (mmu_idx = 0; mmu_idx < NB_MMU_MODES; mmu_idx++) {
             unsigned int i;
 
@@ -237,7 +252,7 @@ static void tlb_add_large_page(CPUArchState *env, target_ulong vaddr,
    is permitted. Only a single TARGET_PAGE_SIZE region is mapped, the
    supplied size is only used by tlb_flush_page.  */
 void tlb_set_page(CPUArchState *env, target_ulong vaddr,
-                  target_phys_addr_t paddr, int prot,
+                  hwaddr paddr, int prot,
                   int mmu_idx, target_ulong size)
 {
     MemoryRegionSection *section;
@@ -246,36 +261,37 @@ void tlb_set_page(CPUArchState *env, target_ulong vaddr,
     target_ulong code_address;
     uintptr_t addend;
     CPUTLBEntry *te;
-    target_phys_addr_t iotlb;
+    hwaddr iotlb, xlat, sz;
 
     assert(size >= TARGET_PAGE_SIZE);
     if (size != TARGET_PAGE_SIZE) {
         tlb_add_large_page(env, vaddr, size);
     }
-    section = phys_page_find(paddr >> TARGET_PAGE_BITS);
+
+    sz = size;
+    section = address_space_translate_for_iotlb(&address_space_memory, paddr,
+                                                &xlat, &sz);
+    assert(sz >= TARGET_PAGE_SIZE);
+
 #if defined(DEBUG_TLB)
     printf("tlb_set_page: vaddr=" TARGET_FMT_lx " paddr=0x" TARGET_FMT_plx
-           " prot=%x idx=%d pd=0x%08lx\n",
-           vaddr, paddr, prot, mmu_idx, pd);
+           " prot=%x idx=%d\n",
+           vaddr, paddr, prot, mmu_idx);
 #endif
 
     address = vaddr;
-    if (!(memory_region_is_ram(section->mr) ||
-          memory_region_is_romd(section->mr))) {
-        /* IO memory case (romd handled later) */
+    if (!memory_region_is_ram(section->mr) && !memory_region_is_romd(section->mr)) {
+        /* IO memory case */
         address |= TLB_MMIO;
-    }
-    if (memory_region_is_ram(section->mr) ||
-        memory_region_is_romd(section->mr)) {
-        addend = (uintptr_t)memory_region_get_ram_ptr(section->mr)
-        + memory_region_section_addr(section, paddr);
-    } else {
         addend = 0;
+    } else {
+        /* TLB_MMIO for rom/romd handled below */
+        addend = (uintptr_t)memory_region_get_ram_ptr(section->mr) + xlat;
     }
 
     code_address = address;
-    iotlb = memory_region_section_get_iotlb(env, section, vaddr, paddr, prot,
-                                            &address);
+    iotlb = memory_region_section_get_iotlb(env, section, vaddr, paddr, xlat,
+                                            prot, &address);
 
     index = (vaddr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
     env->iotlb[mmu_idx][index] = iotlb - vaddr;
@@ -298,9 +314,7 @@ void tlb_set_page(CPUArchState *env, target_ulong vaddr,
             /* Write access calls the I/O callback.  */
             te->addr_write = address | TLB_MMIO;
         } else if (memory_region_is_ram(section->mr)
-                   && !cpu_physical_memory_is_dirty(
-                           section->mr->ram_addr
-                           + memory_region_section_addr(section, paddr))) {
+                   && !cpu_physical_memory_is_dirty(section->mr->ram_addr + xlat)) {
             te->addr_write = address | TLB_NOTDIRTY;
         } else {
             te->addr_write = address;
@@ -330,12 +344,15 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr)
     pd = env1->iotlb[mmu_idx][page_index] & ~TARGET_PAGE_MASK;
     mr = iotlb_to_region(pd);
     if (memory_region_is_unassigned(mr)) {
-#if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_SPARC)
-        cpu_unassigned_access(env1, addr, 0, 1, 0, 4);
-#else
-        cpu_abort(env1, "Trying to execute code outside RAM or ROM at 0x"
-                  TARGET_FMT_lx "\n", addr);
-#endif
+        CPUState *cpu = ENV_GET_CPU(env1);
+        CPUClass *cc = CPU_GET_CLASS(cpu);
+
+        if (cc->do_unassigned_access) {
+            cc->do_unassigned_access(cpu, addr, false, true, 0, 4);
+        } else {
+            cpu_abort(env1, "Trying to execute code outside RAM or ROM at 0x"
+                      TARGET_FMT_lx "\n", addr);
+        }
     }
     p = (void *)((uintptr_t)addr + env1->tlb_table[mmu_idx][page_index].addend);
     return qemu_ram_addr_from_host_nofail(p);
@@ -347,15 +364,15 @@ tb_page_addr_t get_page_addr_code(CPUArchState *env1, target_ulong addr)
 #define SOFTMMU_CODE_ACCESS
 
 #define SHIFT 0
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
 
 #define SHIFT 1
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
 
 #define SHIFT 2
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
 
 #define SHIFT 3
-#include "softmmu_template.h"
+#include "exec/softmmu_template.h"
 
 #undef env