内存缓存和ext4完整支持

third_party/lwext4_config/include/assert.h

@@ -0,0 +1,6 @@
+#ifndef ZEROOS_ASSERT_H_
+#define ZEROOS_ASSERT_H_
+
+#define assert(x) ((void)(x))
+
+#endif

third_party/lwext4_config/include/errno.h

@@ -0,0 +1,6 @@
+#ifndef ZEROOS_ERRNO_H_
+#define ZEROOS_ERRNO_H_
+
+#include <ext4_errno.h>
+
+#endif

third_party/lwext4_config/include/fcntl.h

@@ -0,0 +1,6 @@
+#ifndef ZEROOS_FCNTL_H_
+#define ZEROOS_FCNTL_H_
+
+#include <ext4_oflags.h>
+
+#endif

third_party/lwext4_config/include/generated/ext4_config.h

@@ -0,0 +1,23 @@
+#ifndef ZEROOS_LWEXT4_GENERATED_CONFIG_H_
+#define ZEROOS_LWEXT4_GENERATED_CONFIG_H_
+
+#define CONFIG_EXT_FEATURE_SET_LVL F_SET_EXT4
+#define CONFIG_JOURNALING_ENABLE 0
+#define CONFIG_XATTR_ENABLE 1
+#define CONFIG_EXTENTS_ENABLE 1
+#define CONFIG_HAVE_OWN_ERRNO 1
+#define CONFIG_DEBUG_PRINTF 0
+#define CONFIG_DEBUG_ASSERT 0
+#define CONFIG_HAVE_OWN_ASSERT 1
+#define CONFIG_BLOCK_DEV_ENABLE_STATS 0
+#define CONFIG_BLOCK_DEV_CACHE_SIZE 16
+#define CONFIG_EXT4_MAX_BLOCKDEV_NAME 32
+#define CONFIG_EXT4_BLOCKDEVS_COUNT 2
+#define CONFIG_EXT4_MAX_MP_NAME 32
+#define CONFIG_EXT4_MOUNTPOINTS_COUNT 2
+#define CONFIG_HAVE_OWN_OFLAGS 1
+#define CONFIG_MAX_TRUNCATE_SIZE (16ul * 1024ul * 1024ul)
+#define CONFIG_UNALIGNED_ACCESS 0
+#define CONFIG_USE_USER_MALLOC 1
+
+#endif

third_party/lwext4_config/include/inttypes.h

@@ -0,0 +1,9 @@
+#ifndef ZEROOS_INTTYPES_H_
+#define ZEROOS_INTTYPES_H_
+
+#include <stdint.h>
+
+#define PRIu64 "llu"
+#define PRId64 "lld"
+
+#endif

third_party/lwext4_config/include/stdarg.h

@@ -0,0 +1,10 @@
+#ifndef ZEROOS_STDARG_H_
+#define ZEROOS_STDARG_H_
+
+typedef __builtin_va_list va_list;
+#define va_start(ap, last) __builtin_va_start(ap, last)
+#define va_end(ap) __builtin_va_end(ap)
+#define va_arg(ap, type) __builtin_va_arg(ap, type)
+#define va_copy(dest, src) __builtin_va_copy(dest, src)
+
+#endif

third_party/lwext4_config/include/stdbool.h

@@ -0,0 +1,8 @@
+#ifndef ZEROOS_STDBOOL_H_
+#define ZEROOS_STDBOOL_H_
+
+#define bool _Bool
+#define true 1
+#define false 0
+
+#endif

third_party/lwext4_config/include/stddef.h

@@ -0,0 +1,8 @@
+#ifndef ZEROOS_STDDEF_H_
+#define ZEROOS_STDDEF_H_
+
+#define NULL ((void *)0)
+typedef __SIZE_TYPE__ size_t;
+typedef __PTRDIFF_TYPE__ ptrdiff_t;
+
+#endif

third_party/lwext4_config/include/stdint.h

@@ -0,0 +1,18 @@
+#ifndef ZEROOS_STDINT_H_
+#define ZEROOS_STDINT_H_
+
+typedef signed char int8_t;
+typedef unsigned char uint8_t;
+typedef short int16_t;
+typedef unsigned short uint16_t;
+typedef int int32_t;
+typedef unsigned int uint32_t;
+typedef long long int64_t;
+typedef unsigned long long uint64_t;
+typedef __INTPTR_TYPE__ intptr_t;
+typedef __UINTPTR_TYPE__ uintptr_t;
+
+#define UINT32_MAX 0xffffffffu
+#define UINT64_MAX 0xffffffffffffffffull
+
+#endif

third_party/lwext4_config/include/stdio.h

@@ -0,0 +1,8 @@
+#ifndef ZEROOS_STDIO_H_
+#define ZEROOS_STDIO_H_
+
+#define stdout ((void *)0)
+int printf(const char *fmt, ...);
+int fflush(void *stream);
+
+#endif

third_party/lwext4_config/include/stdlib.h

@@ -0,0 +1,16 @@
+#ifndef ZEROOS_STDLIB_H_
+#define ZEROOS_STDLIB_H_
+
+#include <stddef.h>
+
+void *ext4_user_malloc(size_t size);
+void *ext4_user_calloc(size_t count, size_t size);
+void ext4_user_free(void *ptr);
+void qsort(
+    void *base,
+    size_t nmemb,
+    size_t size,
+    int (*compar)(const void *, const void *)
+);
+
+#endif

third_party/lwext4_config/include/string.h

@@ -0,0 +1,15 @@
+#ifndef ZEROOS_STRING_H_
+#define ZEROOS_STRING_H_
+
+#include <stddef.h>
+
+void *memcpy(void *dest, const void *src, size_t n);
+void *memmove(void *dest, const void *src, size_t n);
+void *memset(void *dest, int c, size_t n);
+int memcmp(const void *a, const void *b, size_t n);
+size_t strlen(const char *s);
+int strcmp(const char *a, const char *b);
+int strncmp(const char *a, const char *b, size_t n);
+char *strcpy(char *dest, const char *src);
+
+#endif

third_party/lwext4_config/include/unistd.h

@@ -0,0 +1,6 @@
+#ifndef ZEROOS_UNISTD_H_
+#define ZEROOS_UNISTD_H_
+
+#include <ext4_oflags.h>
+
+#endif