target-i386: unify reserved bits and NX bit check

[mirror_qemu.git] / target-i386 / arch_memory_mapping.c

diff --git a/target-i386/arch_memory_mapping.c b/target-i386/arch_memory_mapping.c
index 2566a040a62046b11baa9bd79dbc149821d55d0d..2d35f63e1e35e880ea3c92a6d68b8181027049cf 100644 (file)
--- a/target-i386/arch_memory_mapping.c
+++ b/target-i386/arch_memory_mapping.c
@@ -16,7 +16,8 @@
 #include "sysemu/memory_mapping.h"
 
 /* PAE Paging or IA-32e Paging */
-static void walk_pte(MemoryMappingList *list, hwaddr pte_start_addr,
+static void walk_pte(MemoryMappingList *list, AddressSpace *as,
+                     hwaddr pte_start_addr,
                      int32_t a20_mask, target_ulong start_line_addr)
 {
     hwaddr pte_addr, start_paddr;
@@ -26,7 +27,7 @@ static void walk_pte(MemoryMappingList *list, hwaddr pte_start_addr,
 
     for (i = 0; i < 512; i++) {
         pte_addr = (pte_start_addr + i * 8) & a20_mask;
-        pte = ldq_phys(pte_addr);
+        pte = ldq_phys(as, pte_addr);
         if (!(pte & PG_PRESENT_MASK)) {
             /* not present */
             continue;
@@ -45,7 +46,7 @@ static void walk_pte(MemoryMappingList *list, hwaddr pte_start_addr,
 }
 
 /* 32-bit Paging */
-static void walk_pte2(MemoryMappingList *list,
+static void walk_pte2(MemoryMappingList *list, AddressSpace *as,
                       hwaddr pte_start_addr, int32_t a20_mask,
                       target_ulong start_line_addr)
 {
@@ -56,7 +57,7 @@ static void walk_pte2(MemoryMappingList *list,
 
     for (i = 0; i < 1024; i++) {
         pte_addr = (pte_start_addr + i * 4) & a20_mask;
-        pte = ldl_phys(pte_addr);
+        pte = ldl_phys(as, pte_addr);
         if (!(pte & PG_PRESENT_MASK)) {
             /* not present */
             continue;
@@ -75,9 +76,10 @@ static void walk_pte2(MemoryMappingList *list,
 }
 
 /* PAE Paging or IA-32e Paging */
-#define PLM4_ADDR_MASK 0xffffffffff000 /* selects bits 51:12 */
+#define PLM4_ADDR_MASK 0xffffffffff000ULL /* selects bits 51:12 */
 
-static void walk_pde(MemoryMappingList *list, hwaddr pde_start_addr,
+static void walk_pde(MemoryMappingList *list, AddressSpace *as,
+                     hwaddr pde_start_addr,
                      int32_t a20_mask, target_ulong start_line_addr)
 {
     hwaddr pde_addr, pte_start_addr, start_paddr;
@@ -87,7 +89,7 @@ static void walk_pde(MemoryMappingList *list, hwaddr pde_start_addr,
 
     for (i = 0; i < 512; i++) {
         pde_addr = (pde_start_addr + i * 8) & a20_mask;
-        pde = ldq_phys(pde_addr);
+        pde = ldq_phys(as, pde_addr);
         if (!(pde & PG_PRESENT_MASK)) {
             /* not present */
             continue;
@@ -108,12 +110,12 @@ static void walk_pde(MemoryMappingList *list, hwaddr pde_start_addr,
         }
 
         pte_start_addr = (pde & PLM4_ADDR_MASK) & a20_mask;
-        walk_pte(list, pte_start_addr, a20_mask, line_addr);
+        walk_pte(list, as, pte_start_addr, a20_mask, line_addr);
     }
 }
 
 /* 32-bit Paging */
-static void walk_pde2(MemoryMappingList *list,
+static void walk_pde2(MemoryMappingList *list, AddressSpace *as,
                       hwaddr pde_start_addr, int32_t a20_mask,
                       bool pse)
 {
@@ -124,7 +126,7 @@ static void walk_pde2(MemoryMappingList *list,
 
     for (i = 0; i < 1024; i++) {
         pde_addr = (pde_start_addr + i * 4) & a20_mask;
-        pde = ldl_phys(pde_addr);
+        pde = ldl_phys(as, pde_addr);
         if (!(pde & PG_PRESENT_MASK)) {
             /* not present */
             continue;
@@ -150,12 +152,12 @@ static void walk_pde2(MemoryMappingList *list,
         }
 
         pte_start_addr = (pde & ~0xfff) & a20_mask;
-        walk_pte2(list, pte_start_addr, a20_mask, line_addr);
+        walk_pte2(list, as, pte_start_addr, a20_mask, line_addr);
     }
 }
 
 /* PAE Paging */
-static void walk_pdpe2(MemoryMappingList *list,
+static void walk_pdpe2(MemoryMappingList *list, AddressSpace *as,
                        hwaddr pdpe_start_addr, int32_t a20_mask)
 {
     hwaddr pdpe_addr, pde_start_addr;
@@ -165,7 +167,7 @@ static void walk_pdpe2(MemoryMappingList *list,
 
     for (i = 0; i < 4; i++) {
         pdpe_addr = (pdpe_start_addr + i * 8) & a20_mask;
-        pdpe = ldq_phys(pdpe_addr);
+        pdpe = ldq_phys(as, pdpe_addr);
         if (!(pdpe & PG_PRESENT_MASK)) {
             /* not present */
             continue;
@@ -173,13 +175,13 @@ static void walk_pdpe2(MemoryMappingList *list,
 
         line_addr = (((unsigned int)i & 0x3) << 30);
         pde_start_addr = (pdpe & ~0xfff) & a20_mask;
-        walk_pde(list, pde_start_addr, a20_mask, line_addr);
+        walk_pde(list, as, pde_start_addr, a20_mask, line_addr);
     }
 }
 
 #ifdef TARGET_X86_64
 /* IA-32e Paging */
-static void walk_pdpe(MemoryMappingList *list,
+static void walk_pdpe(MemoryMappingList *list, AddressSpace *as,
                       hwaddr pdpe_start_addr, int32_t a20_mask,
                       target_ulong start_line_addr)
 {
@@ -190,7 +192,7 @@ static void walk_pdpe(MemoryMappingList *list,
 
     for (i = 0; i < 512; i++) {
         pdpe_addr = (pdpe_start_addr + i * 8) & a20_mask;
-        pdpe = ldq_phys(pdpe_addr);
+        pdpe = ldq_phys(as, pdpe_addr);
         if (!(pdpe & PG_PRESENT_MASK)) {
             /* not present */
             continue;
@@ -211,12 +213,12 @@ static void walk_pdpe(MemoryMappingList *list,
         }
 
         pde_start_addr = (pdpe & PLM4_ADDR_MASK) & a20_mask;
-        walk_pde(list, pde_start_addr, a20_mask, line_addr);
+        walk_pde(list, as, pde_start_addr, a20_mask, line_addr);
     }
 }
 
 /* IA-32e Paging */
-static void walk_pml4e(MemoryMappingList *list,
+static void walk_pml4e(MemoryMappingList *list, AddressSpace *as,
                        hwaddr pml4e_start_addr, int32_t a20_mask)
 {
     hwaddr pml4e_addr, pdpe_start_addr;
@@ -226,7 +228,7 @@ static void walk_pml4e(MemoryMappingList *list,
 
     for (i = 0; i < 512; i++) {
         pml4e_addr = (pml4e_start_addr + i * 8) & a20_mask;
-        pml4e = ldq_phys(pml4e_addr);
+        pml4e = ldq_phys(as, pml4e_addr);
         if (!(pml4e & PG_PRESENT_MASK)) {
             /* not present */
             continue;
@@ -234,7 +236,7 @@ static void walk_pml4e(MemoryMappingList *list,
 
         line_addr = ((i & 0x1ffULL) << 39) | (0xffffULL << 48);
         pdpe_start_addr = (pml4e & PLM4_ADDR_MASK) & a20_mask;
-        walk_pdpe(list, pdpe_start_addr, a20_mask, line_addr);
+        walk_pdpe(list, as, pdpe_start_addr, a20_mask, line_addr);
     }
 }
 #endif
@@ -256,14 +258,14 @@ void x86_cpu_get_memory_mapping(CPUState *cs, MemoryMappingList *list,
             hwaddr pml4e_addr;
 
             pml4e_addr = (env->cr[3] & PLM4_ADDR_MASK) & env->a20_mask;
-            walk_pml4e(list, pml4e_addr, env->a20_mask);
+            walk_pml4e(list, cs->as, pml4e_addr, env->a20_mask);
         } else
 #endif
         {
             hwaddr pdpe_addr;
 
             pdpe_addr = (env->cr[3] & ~0x1f) & env->a20_mask;
-            walk_pdpe2(list, pdpe_addr, env->a20_mask);
+            walk_pdpe2(list, cs->as, pdpe_addr, env->a20_mask);
         }
     } else {
         hwaddr pde_addr;
@@ -271,7 +273,7 @@ void x86_cpu_get_memory_mapping(CPUState *cs, MemoryMappingList *list,
 
         pde_addr = (env->cr[3] & ~0xfff) & env->a20_mask;
         pse = !!(env->cr[4] & CR4_PSE_MASK);
-        walk_pde2(list, pde_addr, env->a20_mask, pse);
+        walk_pde2(list, cs->as, pde_addr, env->a20_mask, pse);
     }
 }