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authorAlex AUVOLAT <alexis211@gmail.com>2012-05-01 12:20:45 +0200
committerAlex AUVOLAT <alexis211@gmail.com>2012-05-01 12:20:45 +0200
commit5cac9acd3aedc8043d4272d93c56805c46ff6214 (patch)
treeba9eb5ef86f7cf7afd4f7ab02de1d6bb86715632 /src/common
parent66b32658d2e5aa99493dcb3abcb73cdb2cc6f0b5 (diff)
downloadTCE-5cac9acd3aedc8043d4272d93c56805c46ff6214.tar.gz
TCE-5cac9acd3aedc8043d4272d93c56805c46ff6214.zip
Some cleanup ; relocated the kernel at 0xC0000000
Diffstat (limited to 'src/common')
-rw-r--r--src/common/Makefile8
-rw-r--r--src/common/include/stdlib.h14
-rw-r--r--src/common/include/string.h14
-rw-r--r--src/common/include/types.h17
-rw-r--r--src/common/string.c80
5 files changed, 133 insertions, 0 deletions
diff --git a/src/common/Makefile b/src/common/Makefile
new file mode 100644
index 0000000..ef0f6b1
--- /dev/null
+++ b/src/common/Makefile
@@ -0,0 +1,8 @@
+Out = _common.o
+Obj = string.o
+ExtObj =
+
+include $(SrcPath)/common.make
+
+LDFLAGS += -r
+CFLAGS += -I $(SrcPath)/common/include
diff --git a/src/common/include/stdlib.h b/src/common/include/stdlib.h
new file mode 100644
index 0000000..2c5e6dd
--- /dev/null
+++ b/src/common/include/stdlib.h
@@ -0,0 +1,14 @@
+#ifndef _DEF_STDLIB_H
+#define _DEF_STDLIB_H
+
+#include <types.h>
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+
+void *memcpy(void *dest, const void *src, int count);
+uint8_t *memset(uint8_t *dest, uint8_t val, int count);
+uint16_t *memsetw(uint16_t *dest, uint16_t val, int count);
+
+#endif
+
diff --git a/src/common/include/string.h b/src/common/include/string.h
new file mode 100644
index 0000000..a41459e
--- /dev/null
+++ b/src/common/include/string.h
@@ -0,0 +1,14 @@
+#ifndef _DEF_STRING_H
+#define _DEF_STRING_H
+
+// #include <stdlib.h>
+#include <types.h>
+
+int strlen(const char *str);
+char *strcpy(char *dest, const char *src);
+// char *strdup(const char *src); // uses malloc, that's bad
+char *strchr(const char *str, char c);
+char *strcat(char *dest, const char *src);
+int strcmp(const char *s1, const char *s2);
+
+#endif
diff --git a/src/common/include/types.h b/src/common/include/types.h
new file mode 100644
index 0000000..ec24ce5
--- /dev/null
+++ b/src/common/include/types.h
@@ -0,0 +1,17 @@
+#ifndef DEF_TYPES_H
+#define DEF_TYPES_H
+
+typedef unsigned long long uint64_t;
+typedef unsigned int uint32_t;
+typedef unsigned short uint16_t;
+typedef unsigned char uint8_t;
+typedef long long int64_t;
+typedef int int32_t;
+typedef short int16_t;
+typedef char int8_t;
+
+typedef unsigned int size_t;
+
+#define NULL 0
+
+#endif
diff --git a/src/common/string.c b/src/common/string.c
new file mode 100644
index 0000000..b2ec309
--- /dev/null
+++ b/src/common/string.c
@@ -0,0 +1,80 @@
+#include <string.h>
+#include <stdlib.h>
+
+int strlen(const char *str) {
+ int i = 0;
+ while (str[i++]);
+ return i;
+}
+
+char *strchr(const char *str, char c) {
+ while (*str) {
+ if (*str == c) return (char*)str;
+ str++;
+ }
+ return NULL;
+}
+
+char *strcpy(char *dest, const char *src) {
+ memcpy(dest, src, strlen(src) + 1);
+ return (char*)src;
+}
+
+/*char *strdup(const char *src) {
+ char* ret = malloc(strlen(src) + 1);
+ if (ret == NULL) return ret;
+ strcpy(ret, src);
+ return ret;
+}*/
+
+char *strcat(char *dest, const char *src) {
+ char *dest2 = dest;
+ dest2 += strlen(dest) - 1;
+ while (*src) {
+ *dest2 = *src;
+ src++;
+ dest2++;
+ }
+ *dest2 = 0;
+ return dest;
+}
+
+int strcmp(const char *s1, const char *s2) {
+ while ((*s1) && (*s1 == *s2)) {
+ s1++;
+ s2++;
+ }
+ return (* (unsigned char*)s1 - *(unsigned char*)s2);
+}
+
+void *memcpy(void *vd, const void *vs, int count) {
+ uint8_t *dest = (uint8_t*)vd, *src = (uint8_t*)vs;
+ uint32_t f = count % 4, n = count / 4, i;
+ const uint32_t* s = (uint32_t*)src;
+ uint32_t* d = (uint32_t*)dest;
+ for (i = 0; i < n; i++) {
+ d[i] = s[i];
+ }
+ if (f != 0) {
+ for (i = count - f; i < count; i++) {
+ dest[i] = src[i];
+ }
+ }
+ return vd;
+}
+
+uint8_t *memset(uint8_t *dest, uint8_t val, int count) {
+ int i;
+ for (i = 0; i < count; i++) {
+ dest[i] = val;
+ }
+ return dest;
+}
+
+uint16_t *memsetw(uint16_t *dest, uint16_t val, int count) {
+ int i;
+ for (i = 0; i < count; i++) {
+ dest[i] = val;
+ }
+ return dest;
+}