diff --git a/cpu-all.h b/cpu-all.h
index 5ba79e2..387030e 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -452,7 +452,7 @@
 {
     uint32_t a,b;
     a = ldl_be_p(ptr);
-    b = ldl_be_p(ptr+4);
+    b = ldl_be_p((uint8_t *)ptr + 4);
     return (((uint64_t)a<<32)|b);
 }
 
@@ -489,7 +489,7 @@
 static inline void stq_be_p(void *ptr, uint64_t v)
 {
     stl_be_p(ptr, v >> 32);
-    stl_be_p(ptr + 4, v);
+    stl_be_p((uint8_t *)ptr + 4, v);
 }
 
 /* float access */
@@ -518,7 +518,7 @@
 {
     CPU_DoubleU u;
     u.l.upper = ldl_be_p(ptr);
-    u.l.lower = ldl_be_p(ptr + 4);
+    u.l.lower = ldl_be_p((uint8_t *)ptr + 4);
     return u.d;
 }
 
@@ -527,7 +527,7 @@
     CPU_DoubleU u;
     u.d = v;
     stl_be_p(ptr, u.l.upper);
-    stl_be_p(ptr + 4, u.l.lower);
+    stl_be_p((uint8_t *)ptr + 4, u.l.lower);
 }
 
 #else
diff --git a/cpu-exec.c b/cpu-exec.c
index 5c64856..d003ddb 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -640,7 +640,7 @@
                    jump. */
                 {
                     if (next_tb != 0 &&
-#if USE_KQEMU
+#ifdef USE_KQEMU
                         (env->kqemu_enabled != 2) &&
 #endif
                         tb->page_addr[1] == -1) {
diff --git a/dis-asm.h b/dis-asm.h
index de6e9f8..9f2e9a6 100644
--- a/dis-asm.h
+++ b/dis-asm.h
@@ -396,7 +396,6 @@
 extern int print_insn_v850		PARAMS ((bfd_vma, disassemble_info*));
 extern int print_insn_tic30		PARAMS ((bfd_vma, disassemble_info*));
 extern int print_insn_ppc		PARAMS ((bfd_vma, disassemble_info*));
-extern int print_insn_alpha             PARAMS ((bfd_vma, disassemble_info*));
 extern int print_insn_s390		PARAMS ((bfd_vma, disassemble_info*));
 extern int print_insn_crisv32           PARAMS ((bfd_vma, disassemble_info*));
 
diff --git a/exec-all.h b/exec-all.h
index eb2c5f4..ba05af2 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -93,13 +93,13 @@
 int tlb_set_page_exec(CPUState *env, target_ulong vaddr,
                       target_phys_addr_t paddr, int prot,
                       int mmu_idx, int is_softmmu);
-static inline int tlb_set_page(CPUState *env, target_ulong vaddr,
+static inline int tlb_set_page(CPUState *env1, target_ulong vaddr,
                                target_phys_addr_t paddr, int prot,
                                int mmu_idx, int is_softmmu)
 {
     if (prot & PAGE_READ)
         prot |= PAGE_EXEC;
-    return tlb_set_page_exec(env, vaddr, paddr, prot, mmu_idx, is_softmmu);
+    return tlb_set_page_exec(env1, vaddr, paddr, prot, mmu_idx, is_softmmu);
 }
 
 #define CODE_GEN_ALIGN           16 /* must be >= of the size of a icache line */
@@ -550,7 +550,7 @@
 #endif
 
 #if defined(CONFIG_USER_ONLY)
-static inline target_ulong get_phys_addr_code(CPUState *env, target_ulong addr)
+static inline target_ulong get_phys_addr_code(CPUState *env1, target_ulong addr)
 {
     return addr;
 }
@@ -558,25 +558,25 @@
 /* NOTE: this function can trigger an exception */
 /* NOTE2: the returned address is not exactly the physical address: it
    is the offset relative to phys_ram_base */
-static inline target_ulong get_phys_addr_code(CPUState *env, target_ulong addr)
+static inline target_ulong get_phys_addr_code(CPUState *env1, target_ulong addr)
 {
-    int mmu_idx, index, pd;
+    int mmu_idx, page_index, pd;
 
-    index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
-    mmu_idx = cpu_mmu_index(env);
-    if (__builtin_expect(env->tlb_table[mmu_idx][index].addr_code !=
+    page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+    mmu_idx = cpu_mmu_index(env1);
+    if (__builtin_expect(env1->tlb_table[mmu_idx][page_index].addr_code !=
                          (addr & TARGET_PAGE_MASK), 0)) {
         ldub_code(addr);
     }
-    pd = env->tlb_table[mmu_idx][index].addr_code & ~TARGET_PAGE_MASK;
+    pd = env1->tlb_table[mmu_idx][page_index].addr_code & ~TARGET_PAGE_MASK;
     if (pd > IO_MEM_ROM && !(pd & IO_MEM_ROMD)) {
 #if defined(TARGET_SPARC) || defined(TARGET_MIPS)
         do_unassigned_access(addr, 0, 1, 0);
 #else
-        cpu_abort(env, "Trying to execute code outside RAM or ROM at 0x" TARGET_FMT_lx "\n", addr);
+        cpu_abort(env1, "Trying to execute code outside RAM or ROM at 0x" TARGET_FMT_lx "\n", addr);
 #endif
     }
-    return addr + env->tlb_table[mmu_idx][index].addend - (unsigned long)phys_ram_base;
+    return addr + env1->tlb_table[mmu_idx][page_index].addend - (unsigned long)phys_ram_base;
 }
 #endif
 
diff --git a/softmmu_header.h b/softmmu_header.h
index 51bd22d..481051e 100644
--- a/softmmu_header.h
+++ b/softmmu_header.h
@@ -222,20 +222,20 @@
 
 static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
 {
-    int index;
+    int page_index;
     RES_TYPE res;
     target_ulong addr;
     unsigned long physaddr;
     int mmu_idx;
 
     addr = ptr;
-    index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+    page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
     mmu_idx = CPU_MMU_INDEX;
-    if (__builtin_expect(env->tlb_table[mmu_idx][index].ADDR_READ !=
+    if (__builtin_expect(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
                          (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
         res = glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx);
     } else {
-        physaddr = addr + env->tlb_table[mmu_idx][index].addend;
+        physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
         res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
     }
     return res;
@@ -244,19 +244,19 @@
 #if DATA_SIZE <= 2
 static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
 {
-    int res, index;
+    int res, page_index;
     target_ulong addr;
     unsigned long physaddr;
     int mmu_idx;
 
     addr = ptr;
-    index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+    page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
     mmu_idx = CPU_MMU_INDEX;
-    if (__builtin_expect(env->tlb_table[mmu_idx][index].ADDR_READ !=
+    if (__builtin_expect(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
                          (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
         res = (DATA_STYPE)glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx);
     } else {
-        physaddr = addr + env->tlb_table[mmu_idx][index].addend;
+        physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
         res = glue(glue(lds, SUFFIX), _raw)((uint8_t *)physaddr);
     }
     return res;
@@ -269,19 +269,19 @@
 
 static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
 {
-    int index;
+    int page_index;
     target_ulong addr;
     unsigned long physaddr;
     int mmu_idx;
 
     addr = ptr;
-    index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
+    page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
     mmu_idx = CPU_MMU_INDEX;
-    if (__builtin_expect(env->tlb_table[mmu_idx][index].addr_write !=
+    if (__builtin_expect(env->tlb_table[mmu_idx][page_index].addr_write !=
                          (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))), 0)) {
         glue(glue(__st, SUFFIX), MMUSUFFIX)(addr, v, mmu_idx);
     } else {
-        physaddr = addr + env->tlb_table[mmu_idx][index].addend;
+        physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
         glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, v);
     }
 }
diff --git a/sysemu.h b/sysemu.h
index 9b4480f..a8fd299 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -130,8 +130,8 @@
 #define MAX_SCSI_DEVS	7
 #define MAX_DRIVES 32
 
-int nb_drives;
-DriveInfo drives_table[MAX_DRIVES+1];
+extern int nb_drives;
+extern DriveInfo drives_table[MAX_DRIVES+1];
 
 extern int drive_get_index(BlockInterfaceType type, int bus, int unit);
 extern int drive_get_max_bus(BlockInterfaceType type);