unix: enable modtrezorio, mock sdcard

micropython/extmod/modtrezorio/modtrezorio-sdcard.h

@@ -5,7 +5,13 @@
  * see LICENSE file for details
  */
 
+#if defined TREZOR_STM32
 #include "sdcard.h"
+#elif defined TREZOR_UNIX
+#include "unix-sdcard-mock.h"
+#else
+#error Unsupported TREZOR port. Only STM32 and UNIX ports are supported.
+#endif
 
 typedef struct _mp_obj_SDCard_t {
     mp_obj_base_t base;

micropython/extmod/modtrezorio/unix-sdcard-mock.h

@@ -0,0 +1,31 @@
+#include "../../trezorhal/sdcard.h"
+
+#define SD_ERROR 41U
+
+int sdcard_init(void) {
+    return 0;
+}
+
+bool sdcard_is_present(void) {
+    return false;
+}
+
+bool sdcard_power_on(void) {
+    return false;
+}
+
+bool sdcard_power_off(void) {
+    return true;
+}
+
+uint64_t sdcard_get_capacity_in_bytes(void) {
+    return 0;
+}
+
+uint32_t sdcard_read_blocks(void *dest, uint32_t block_num, uint32_t num_blocks) {
+   return SD_ERROR;
+}
+
+uint32_t sdcard_write_blocks(const void *src, uint32_t block_num, uint32_t num_blocks) {
+   return SD_ERROR;
+}

micropython/unix/Makefile

@@ -2,7 +2,7 @@ MICROPY_PY_TREZORCONFIG = 1
 
 MICROPY_PY_TREZORCRYPTO = 1
 
-MICROPY_PY_TREZORIO = 0
+MICROPY_PY_TREZORIO = 1
 
 MICROPY_PY_TREZORMSG = 1
 

micropython/unix/mpconfigport.h

@@ -136,7 +136,7 @@
 
 #define MICROPY_PY_TREZORCONFIG     (1)
 #define MICROPY_PY_TREZORCRYPTO     (1)
-#define MICROPY_PY_TREZORIO         (0)
+#define MICROPY_PY_TREZORIO         (1)
 #define MICROPY_PY_TREZORMSG        (1)
 #define MICROPY_PY_TREZORUI         (1)
 #define MICROPY_PY_TREZORUTILS      (1)