windows: Switch to VFS subsystem and use VfsPosix.

Following the unix port.

Signed-off-by: Damien George <damien@micropython.org>

extmod/vfs_posix.c

@@ -37,6 +37,9 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <dirent.h>
+#ifdef _MSC_VER
+#include <direct.h> // For mkdir etc.
+#endif
 
 typedef struct _mp_obj_vfs_posix_t {
     mp_obj_base_t base;
@@ -254,7 +257,11 @@ STATIC mp_obj_t vfs_posix_mkdir(mp_obj_t self_in, mp_obj_t path_in) {
     mp_obj_vfs_posix_t *self = MP_OBJ_TO_PTR(self_in);
     const char *path = vfs_posix_get_path_str(self, path_in);
     MP_THREAD_GIL_EXIT();
+    #ifdef _WIN32
+    int ret = mkdir(path);
+    #else
     int ret = mkdir(path, 0777);
+    #endif
     MP_THREAD_GIL_ENTER();
     if (ret != 0) {
         mp_raise_OSError(errno);
@@ -308,6 +315,8 @@ STATIC mp_obj_t vfs_posix_stat(mp_obj_t self_in, mp_obj_t path_in) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(vfs_posix_stat_obj, vfs_posix_stat);
 
+#if MICROPY_PY_UOS_STATVFS
+
 #ifdef __ANDROID__
 #define USE_STATFS 1
 #endif
@@ -349,6 +358,8 @@ STATIC mp_obj_t vfs_posix_statvfs(mp_obj_t self_in, mp_obj_t path_in) {
 }
 STATIC MP_DEFINE_CONST_FUN_OBJ_2(vfs_posix_statvfs_obj, vfs_posix_statvfs);
 
+#endif
+
 STATIC const mp_rom_map_elem_t vfs_posix_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_mount), MP_ROM_PTR(&vfs_posix_mount_obj) },
     { MP_ROM_QSTR(MP_QSTR_umount), MP_ROM_PTR(&vfs_posix_umount_obj) },
@@ -362,7 +373,9 @@ STATIC const mp_rom_map_elem_t vfs_posix_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_rename), MP_ROM_PTR(&vfs_posix_rename_obj) },
     { MP_ROM_QSTR(MP_QSTR_rmdir), MP_ROM_PTR(&vfs_posix_rmdir_obj) },
     { MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&vfs_posix_stat_obj) },
+    #if MICROPY_PY_UOS_STATVFS
     { MP_ROM_QSTR(MP_QSTR_statvfs), MP_ROM_PTR(&vfs_posix_statvfs_obj) },
+    #endif
 };
 STATIC MP_DEFINE_CONST_DICT(vfs_posix_locals_dict, vfs_posix_locals_dict_table);
 

ports/windows/Makefile

@@ -49,7 +49,6 @@ SRC_C = \
 	shared/runtime/gchelper_generic.c \
 	ports/unix/main.c \
 	ports/unix/input.c \
-	ports/unix/modos.c \
 	ports/unix/modmachine.c \
 	ports/unix/modtime.c \
 	ports/unix/gccollect.c \

ports/windows/micropython.vcxproj

@@ -93,7 +93,6 @@
     <ClCompile Include="$(PyBaseDir)ports\unix\gccollect.c"/>
     <ClCompile Include="$(PyBaseDir)ports\unix\input.c"/>
     <ClCompile Include="$(PyBaseDir)ports\unix\main.c"/>
-    <ClCompile Include="$(PyBaseDir)ports\unix\modos.c"/>
     <ClCompile Include="$(PyBaseDir)ports\unix\modtime.c"/>
     <ClCompile Include="$(PyBaseDir)ports\unix\modmachine.c" />
     <ClCompile Include="$(PyVariantDir)*.c" />

ports/windows/mpconfigport.h

@@ -51,6 +51,7 @@
 #define MICROPY_DEBUG_PRINTER       (&mp_stderr_print)
 #define MICROPY_DEBUG_PRINTERS      (1)
 #define MICROPY_READER_POSIX        (1)
+#define MICROPY_READER_VFS          (1)
 #define MICROPY_USE_READLINE_HISTORY (1)
 #define MICROPY_HELPER_REPL         (1)
 #define MICROPY_REPL_EMACS_KEYS     (1)
@@ -72,7 +73,8 @@
 #ifndef MICROPY_ENABLE_SCHEDULER
 #define MICROPY_ENABLE_SCHEDULER    (1)
 #endif
-#define MICROPY_VFS_POSIX_FILE      (1)
+#define MICROPY_VFS                 (1)
+#define MICROPY_VFS_POSIX           (1)
 #define MICROPY_PY_FUNCTION_ATTRS   (1)
 #define MICROPY_PY_DESCRIPTORS      (1)
 #define MICROPY_PY_DELATTR_SETATTR  (1)
@@ -124,6 +126,14 @@
 #define MICROPY_STACKLESS_STRICT    (0)
 #endif
 
+#define MICROPY_PY_UOS              (1)
+#define MICROPY_PY_UOS_INCLUDEFILE  "ports/unix/moduos.c"
+#define MICROPY_PY_UOS_ERRNO        (1)
+#define MICROPY_PY_UOS_GETENV_PUTENV_UNSETENV (1)
+#define MICROPY_PY_UOS_SEP          (1)
+#define MICROPY_PY_UOS_STATVFS      (0)
+#define MICROPY_PY_UOS_SYSTEM       (1)
+#define MICROPY_PY_UOS_URANDOM      (1)
 #define MICROPY_PY_UTIME            (1)
 #define MICROPY_PY_UTIME_MP_HAL     (1)
 #define MICROPY_PY_UERRNO           (1)
@@ -161,6 +171,8 @@ extern const struct _mp_print_t mp_stderr_print;
 #define MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE     (256)
 #define MICROPY_KBD_EXCEPTION       (1)
 
+#define mp_import_stat mp_vfs_import_stat
+#define mp_builtin_open_obj mp_vfs_open_obj
 #define mp_type_fileio mp_type_vfs_posix_fileio
 #define mp_type_textio mp_type_vfs_posix_textio
 
@@ -203,11 +215,9 @@ typedef long mp_off_t;
 #define MICROPY_PORT_BUILTINS \
     { MP_ROM_QSTR(MP_QSTR_open), MP_ROM_PTR(&mp_builtin_open_obj) },
 
-extern const struct _mp_obj_module_t mp_module_os;
 extern const struct _mp_obj_module_t mp_module_time;
 #define MICROPY_PORT_BUILTIN_MODULES \
     { MP_ROM_QSTR(MP_QSTR_utime), MP_ROM_PTR(&mp_module_time) }, \
-    { MP_ROM_QSTR(MP_QSTR_uos), MP_ROM_PTR(&mp_module_os) }, \
 
 #if MICROPY_USE_READLINE == 1
 #define MICROPY_PORT_ROOT_POINTERS \

ports/windows/msvc/sources.props

@@ -13,6 +13,7 @@
     <PyExtModSource Include="$(PyBaseDir)extmod\moduhashlib.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\moduheapq.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\modujson.c" />
+    <PyExtModSource Include="$(PyBaseDir)extmod\moduos.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\modurandom.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\modure.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\moduselect.c" />
@@ -20,7 +21,10 @@
     <PyExtModSource Include="$(PyBaseDir)extmod\moduzlib.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\utime_mphal.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\virtpin.c" />
+    <PyExtModSource Include="$(PyBaseDir)extmod\vfs.c" />
+    <PyExtModSource Include="$(PyBaseDir)extmod\vfs_posix.c" />
     <PyExtModSource Include="$(PyBaseDir)extmod\vfs_posix_file.c" />
+    <PyExtModSource Include="$(PyBaseDir)extmod\vfs_reader.c" />
   </ItemGroup>
   <ItemGroup>
     <PyCoreInclude Include="$(PyBaseDir)py\*.h" />

py/mpconfig.h

@@ -1459,6 +1459,10 @@ typedef double mp_float_t;
 #define MICROPY_PY_UOS (MICROPY_CONFIG_ROM_LEVEL_AT_LEAST_EXTRA_FEATURES)
 #endif
 
+#ifndef MICROPY_PY_UOS_STATVFS
+#define MICROPY_PY_UOS_STATVFS (MICROPY_PY_UOS)
+#endif
+
 #ifndef MICROPY_PY_URE
 #define MICROPY_PY_URE (MICROPY_CONFIG_ROM_LEVEL_AT_LEAST_EXTRA_FEATURES)
 #endif