std: remove the malloc impl and string header

CMakeLists.txt

@@ -63,7 +63,6 @@ set(SOURCES_COMMON
   src/rtc/rtc.c
   src/rtc/rtc_ticks.c
   src/spu/spu.c
-  src/std/malloc.c
   src/tmu/inth-etmu.s
   src/tmu/inth-tmu.s
   src/tmu/sleep.c

include/gint/std/string.h

@@ -1,43 +1,2 @@
-//---
-//	gint:std:string - a few <string.h> functions provided by gint
-//---
-
-#ifndef GINT_STD_STRING
-#define GINT_STD_STRING
-
-#include <stddef.h>
-
-/* memcpy(): Copy a chunk of memory to a non-overlapping destination */
-void *memcpy(void * __restrict dest, void const * __restrict src, size_t n);
-
-/* memset(): Fill a chunk of memory with a single byte */
-void *memset(void *dest, int byte, size_t n);
-
-/* memcmp(): Compare two chunks of memory */
-int memcmp(void const *s1, void const *s2, size_t n);
-
-/* memmove(): Copy a chunk of memory to a possibly overlapping destination */
-void *memmove(void *dest, void const *src, size_t n);
-
-/* strlen(): Length of a NUL-terminated string */
-size_t strlen(char const *str);
-
-/* strncpy(): Copy a string with a size limit */
-char *strncpy(char *dst, char const *src, size_t n);
-
-/* strcat(): Concatenation a string to a pre-allocated space */
-char *strcat(char *dest, const char *src);
-
-/* strcmp(): Compare NUL-terminated strings */
-int strcmp(char const *s1, char const *s2);
-
-/* strchr(): Find the first occurrence of a character in a string */
-char *strchr(char const *s, int c);
-
-/* strrchr(): Find the last occurrence of a character in a string */
-char *strrchr(char const *s, int c);
-
-/* strchrnul(): Like strchr(), but returns end-of-string instead of NUL */
-char *strchrnul(char const *s, int c);
-
-#endif /* GINT_STD_STRING */
+/* Now provided by fxlibc. */
+#include <string.h>

src/std/malloc.c

@@ -1,36 +0,0 @@
-//---
-// gint:std:malloc - Standard memory allocation functions
-//---
-
-#include <gint/kmalloc.h>
-#include <gint/std/string.h>
-
-/* malloc(): Allocate dynamic memory */
-void *malloc(size_t size)
-{
-	return kmalloc(size, NULL);
-}
-
-/* free(): Free dynamic memory */
-void free(void *ptr)
-{
-	kfree(ptr);
-}
-
-/* calloc(): Allocate and initialize dynamic memory */
-void *calloc(size_t nmemb, size_t size)
-{
-	uint64_t total = (uint64_t)nmemb * (uint64_t)size;
-	if(total >= 1ull << 32) return NULL;
-	size = total;
-
-	void *ptr = malloc(size);
-	if(ptr) memset(ptr, 0, size);
-	return ptr;
-}
-
-/* realloc(): Reallocate dynamic memory */
-void *realloc(void *ptr, size_t size)
-{
-	return krealloc(ptr, size);
-}