CRIS: Do post-increment without going via T0.

[qemu.git] / osdep.c

diff --git a/osdep.c b/osdep.c
index 8c2f0a9ec41b346033dfbbd77781cfe509d92aea..46434af605d510b721cf8859ac3c3135ee3d5673 100644 (file)
--- a/osdep.c
+++ b/osdep.c
@@ -37,6 +37,7 @@
 #include "sysemu.h"
 
 #ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #elif defined(_BSD)
 #include <stdlib.h>
@@ -44,23 +45,12 @@
 #include <malloc.h>
 #endif
 
-void *get_mmap_addr(unsigned long size)
-{
-    return NULL;
-}
-
-void qemu_free(void *ptr)
-{
-    free(ptr);
-}
-
-void *qemu_malloc(size_t size)
+#if defined(_WIN32)
+void *qemu_memalign(size_t alignment, size_t size)
 {
-    return malloc(size);
+    return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
 }
 
-#if defined(_WIN32)
-
 void *qemu_vmalloc(size_t size)
 {
     /* FIXME: this is not exactly optimal solution since VirtualAlloc
@@ -82,7 +72,7 @@ void qemu_vfree(void *ptr)
 #include <sys/mman.h>
 #include <fcntl.h>
 
-void *kqemu_vmalloc(size_t size)
+static void *kqemu_vmalloc(size_t size)
 {
     static int phys_ram_fd = -1;
     static int phys_ram_size = 0;
@@ -108,7 +98,6 @@ void *kqemu_vmalloc(size_t size)
             int64_t free_space;
             int ram_mb;
 
-            extern int ram_size;
             free_space = (int64_t)stfs.f_bavail * stfs.f_bsize;
             if ((ram_size + 8192 * 1024) >= free_space) {
                 ram_mb = (ram_size / (1024 * 1024));
@@ -117,8 +106,7 @@ void *kqemu_vmalloc(size_t size)
                         tmpdir, ram_mb);
                 if (strcmp(tmpdir, "/dev/shm") == 0) {
                     fprintf(stderr, "To have more space available provided you have enough RAM and swap, do as root:\n"
-                            "umount /dev/shm\n"
-                            "mount -t tmpfs -o size=%dm none /dev/shm\n",
+                            "mount -o remount,size=%dm /dev/shm\n",
                             ram_mb + 16);
                 } else {
                     fprintf(stderr,
@@ -164,13 +152,29 @@ void *kqemu_vmalloc(size_t size)
     return ptr;
 }
 
-void kqemu_vfree(void *ptr)
+static void kqemu_vfree(void *ptr)
 {
     /* may be useful some day, but currently we do not need to free */
 }
 
 #endif
 
+void *qemu_memalign(size_t alignment, size_t size)
+{
+#if defined(_POSIX_C_SOURCE)
+    int ret;
+    void *ptr;
+    ret = posix_memalign(&ptr, alignment, size);
+    if (ret != 0)
+        return NULL;
+    return ptr;
+#elif defined(_BSD)
+    return valloc(size);
+#else
+    return memalign(alignment, size);
+#endif
+}
+
 /* alloc shared memory pages */
 void *qemu_vmalloc(size_t size)
 {
@@ -196,26 +200,6 @@ void qemu_vfree(void *ptr)
 
 #endif
 
-void *qemu_mallocz(size_t size)
-{
-    void *ptr;
-    ptr = qemu_malloc(size);
-    if (!ptr)
-        return NULL;
-    memset(ptr, 0, size);
-    return ptr;
-}
-
-char *qemu_strdup(const char *str)
-{
-    char *ptr;
-    ptr = qemu_malloc(strlen(str) + 1);
-    if (!ptr)
-        return NULL;
-    strcpy(ptr, str);
-    return ptr;
-}
-
 int qemu_create_pidfile(const char *filename)
 {
     char buffer[128];