[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/lib/libc/atoi.c b/src/bsp/lk/lib/libc/atoi.c
new file mode 100644
index 0000000..d641e00
--- /dev/null
+++ b/src/bsp/lk/lib/libc/atoi.c
@@ -0,0 +1,191 @@
+/*
+** Copyright 2001, Travis Geiselbrecht. All rights reserved.
+** Distributed under the terms of the NewOS License.
+*/
+/*
+ * Copyright (c) 2008 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <ctype.h>
+#include <errno.h>
+
+#define LONG_IS_INT 1
+
+static int hexval(char c)
+{
+ if (c >= '0' && c <= '9')
+ return c - '0';
+ else if (c >= 'a' && c <= 'f')
+ return c - 'a' + 10;
+ else if (c >= 'A' && c <= 'F')
+ return c - 'A' + 10;
+
+ return 0;
+}
+
+int atoi(const char *num)
+{
+#if !LONG_IS_INT
+ // XXX fail
+#else
+ return atol(num);
+#endif
+}
+
+unsigned int atoui(const char *num)
+{
+#if !LONG_IS_INT
+ // XXX fail
+#else
+ return atoul(num);
+#endif
+}
+
+long atol(const char *num)
+{
+ long value = 0;
+ int neg = 0;
+
+ if (num[0] == '0' && num[1] == 'x') {
+ // hex
+ num += 2;
+ while (*num && isxdigit(*num))
+ value = value * 16 + hexval(*num++);
+ } else {
+ // decimal
+ if (num[0] == '-') {
+ neg = 1;
+ num++;
+ }
+ while (*num && isdigit(*num))
+ value = value * 10 + *num++ - '0';
+ }
+
+ if (neg)
+ value = -value;
+
+ return value;
+}
+
+unsigned long atoul(const char *num)
+{
+ unsigned long value = 0;
+ if (num[0] == '0' && num[1] == 'x') {
+ // hex
+ num += 2;
+ while (*num && isxdigit(*num))
+ value = value * 16 + hexval(*num++);
+ } else {
+ // decimal
+ while (*num && isdigit(*num))
+ value = value * 10 + *num++ - '0';
+ }
+
+ return value;
+}
+
+unsigned long long atoull(const char *num)
+{
+ unsigned long long value = 0;
+ if (num[0] == '0' && num[1] == 'x') {
+ // hex
+ num += 2;
+ while (*num && isxdigit(*num))
+ value = value * 16 + hexval(*num++);
+ } else {
+ // decimal
+ while (*num && isdigit(*num))
+ value = value * 10 + *num++ - '0';
+ }
+
+ return value;
+}
+
+unsigned long strtoul(const char *nptr, char **endptr, int base)
+{
+ int neg = 0;
+ unsigned long ret = 0;
+
+ if (base < 0 || base == 1 || base > 36) {
+ errno = EINVAL;
+ return 0;
+ }
+
+ while (isspace(*nptr)) {
+ nptr++;
+ }
+
+ if (*nptr == '+') {
+ nptr++;
+ } else if (*nptr == '-') {
+ neg = 1;
+ nptr++;
+ }
+
+ if ((base == 0 || base == 16) && nptr[0] == '0' && nptr[1] == 'x') {
+ base = 16;
+ nptr += 2;
+ } else if (base == 0 && nptr[0] == '0') {
+ base = 8;
+ nptr++;
+ } else if (base == 0) {
+ base = 10;
+ }
+
+ for (;;) {
+ char c = *nptr;
+ int v = -1;
+ unsigned long new_ret;
+
+ if (c >= 'A' && c <= 'Z') {
+ v = c - 'A' + 10;
+ } else if (c >= 'a' && c <= 'z') {
+ v = c - 'a' + 10;
+ } else if (c >= '0' && c <= '9') {
+ v = c - '0';
+ }
+
+ if (v < 0 || v >= base) {
+ *endptr = (char *) nptr;
+ break;
+ }
+
+ new_ret = ret * base;
+ if (new_ret / base != ret ||
+ new_ret + v < new_ret ||
+ ret == ULONG_MAX) {
+ ret = ULONG_MAX;
+ errno = ERANGE;
+ } else {
+ ret = new_ret + v;
+ }
+
+ nptr++;
+ }
+
+ if (neg && ret != ULONG_MAX) {
+ ret = -ret;
+ }
+
+ return ret;
+}