initial import

internal commit: 14ac2bc2299032fa6714d1fefa7cf0987b3e3085

Signed-off-by: Eddie Dong <eddie.dong@intel.com>

hypervisor/bsp/uefi/efi/stdlib.h

@@ -0,0 +1,137 @@
+/*
+ * Copyright (c) 2011, Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer
+ *      in the documentation and/or other materials provided with the
+ *      distribution.
+ *    * Neither the name of Intel Corporation nor the names of its
+ *      contributors may be used to endorse or promote products
+ *      derived from this software without specific prior written
+ *      permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This file contains some wrappers around the gnu-efi functions. As
+ * we're not going through uefi_call_wrapper() directly, this allows
+ * us to get some type-safety for function call arguments and for the
+ * compiler to check that the number of function call arguments is
+ * correct.
+ *
+ * It's also a good place to document the EFI interface.
+ */
+
+
+
+#ifndef __STDLIB_H__
+#define __STDLIB_H__
+
+extern void *malloc(UINTN size);
+extern void free(void *buf);
+extern void *calloc(UINTN nmemb, UINTN size);
+
+extern EFI_STATUS emalloc(UINTN, UINTN, EFI_PHYSICAL_ADDRESS *);
+extern EFI_STATUS __emalloc(UINTN, UINTN, EFI_PHYSICAL_ADDRESS *, EFI_MEMORY_TYPE);
+extern void efree(EFI_PHYSICAL_ADDRESS, UINTN);
+
+static inline void memset(void *dstv, char ch, UINTN size)
+{
+	char *dst = dstv;
+	int i;
+
+	for (i = 0; i < size; i++)
+		dst[i] = ch;
+}
+
+static inline void memcpy(char *dst, const char *src, UINTN size)
+{
+	int i;
+
+	for (i = 0; i < size; i++)
+		*dst++ = *src++;
+}
+
+static inline int strlen(const char *str)
+{
+	int len;
+
+	len = 0;
+	while (*str++)
+		len++;
+
+	return len;
+}
+
+static inline char *strstr(const char *haystack, const char *needle)
+{
+	const char *p;
+	const char *word = NULL;
+	int len = strlen(needle);
+
+	if (!len)
+		return NULL;
+
+	p = haystack;
+	while (*p) {
+		word = p;
+		if (!strncmpa((CHAR8 *)p, (CHAR8 *)needle, len))
+			break;
+		p++;
+		word = NULL;
+	}
+
+	return (char *)word;
+}
+
+static inline char *strdup(const char *src)
+{
+	int len;
+	char *dst;
+
+	len = strlen(src);
+	dst = malloc(len + 1);
+	if (dst)
+		memcpy(dst, src, len + 1);
+	return dst;
+}
+
+static inline CHAR16 *strstr_16(CHAR16 *haystack, CHAR16 *needle)
+{
+	CHAR16 *p;
+	CHAR16 *word = NULL;
+	UINTN len = StrLen(needle);
+
+	if (!len)
+		return NULL;
+
+	p = haystack;
+	while (*p) {
+		if (!StrnCmp(p, needle, len)) {
+			word = p;
+			break;
+		}
+		p++;
+	}
+
+	return (CHAR16*)word;
+}
+
+#endif /* __STDLIB_H__ */