vbox的更動 36170 路徑 trunk/src/recompiler/cutils.c

時間撮記:

2011-3-4 下午12:49:02 (14 年 以前)

作者:

vboxsync

訊息:

rem: synced up to ​svn://svn.savannah.nongnu.org/qemu/trunk@6686 (repo UUID c046a42c-6fe2-441c-8c8c-71466251a162).

檔案:

• trunk/src/recompiler/cutils.c (修改) (3 筆差異)

trunk/src/recompiler/cutils.c

@@ -23 +23 @@
  */
 #include "qemu-common.h"
+#include "host-utils.h"
 
 #ifdef VBOX
 #include "osdep.h"
+
 
 static inline int toupper(int ch) {
@@ -565 +567 @@
     q = val;
     while (*q != '\0') {
-        if (toupper(*p) != toupper(*q))
+        if (qemu_toupper(*p) != qemu_toupper(*q))
             return 0;
         p++;
@@ -589 +591 @@
     return t;
 }
-#endif /* VBOX */
+#endif /* !VBOX */
+
+int qemu_fls(int i)
+{
+    return 32 - clz32(i);
+}
+
+#ifndef VBOX
+/* io vectors */
+
+void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint)
+{
+    qiov->iov = qemu_malloc(alloc_hint * sizeof(struct iovec));
+    qiov->niov = 0;
+    qiov->nalloc = alloc_hint;
+    qiov->size = 0;
+}
+
+void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len)
+{
+    if (qiov->niov == qiov->nalloc) {
+        qiov->nalloc = 2 * qiov->nalloc + 1;
+        qiov->iov = qemu_realloc(qiov->iov, qiov->nalloc * sizeof(struct iovec));
+    }
+    qiov->iov[qiov->niov].iov_base = base;
+    qiov->iov[qiov->niov].iov_len = len;
+    qiov->size += len;
+    ++qiov->niov;
+}
+
+void qemu_iovec_destroy(QEMUIOVector *qiov)
+{
+    qemu_free(qiov->iov);
+}
+
+void qemu_iovec_reset(QEMUIOVector *qiov)
+{
+    qiov->niov = 0;
+    qiov->size = 0;
+}
+
+void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf)
+{
+    uint8_t *p = (uint8_t *)buf;
+    int i;
+
+    for (i = 0; i < qiov->niov; ++i) {
+        memcpy(p, qiov->iov[i].iov_base, qiov->iov[i].iov_len);
+        p += qiov->iov[i].iov_len;
+    }
+}
+
+void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count)
+{
+    const uint8_t *p = (const uint8_t *)buf;
+    size_t copy;
+    int i;
+
+    for (i = 0; i < qiov->niov && count; ++i) {
+        copy = count;
+        if (copy > qiov->iov[i].iov_len)
+            copy = qiov->iov[i].iov_len;
+        memcpy(qiov->iov[i].iov_base, p, copy);
+        p     += copy;
+        count -= copy;
+    }
+}
+#endif /* !VBOX */