bootloader: disable usage of mono/normal fonts

Makefile.bootloader

@@ -76,10 +76,12 @@ OBJ_BOOTLOADER += $(addprefix $(BUILD_FW)/, \
 	extmod/modtrezorui/inflate.o \
 	extmod/modtrezorui/font_bitmap.o \
 	extmod/modtrezorui/font_roboto_bold_20.o \
-	extmod/modtrezorui/font_roboto_regular_20.o \
-	extmod/modtrezorui/font_robotomono_regular_20.o \
 	)
 
+CFLAGS_MOD += \
+	-DTREZOR_FONT_MONO_DISABLE=1 \
+	-DTREZOR_FONT_NORMAL_DISABLE=1 \
+
 OBJ_TREZORHAL += $(addprefix $(BUILD_FW)/, \
 	trezorhal/common.o \
 	trezorhal/image.o \

micropython/bootloader/main.c

@@ -42,7 +42,7 @@ void display_vendor(const uint8_t *vimg, const char *vstr, uint32_t vstr_len, ui
     ver_str[3] += (fw_version >> 8) & 0xFF;
     ver_str[5] += (fw_version >> 16) & 0xFF;
     ver_str[7] += (fw_version >> 24) & 0xFF;
-    display_text_center(120, 215, ver_str, -1, FONT_NORMAL, 0x7BEF, 0x0000);
+    display_text_center(120, 215, ver_str, -1, FONT_BOLD, 0x7BEF, 0x0000);
     display_refresh();
 }
 

micropython/extmod/modtrezorui/display.c

@@ -7,9 +7,15 @@
 
 #include "inflate.h"
 #include "font_bitmap.h"
+#ifndef TREZOR_FONT_MONO_DISABLE
 #include "font_robotomono_regular_20.h"
+#endif
+#ifndef TREZOR_FONT_NORMAL_DISABLE
 #include "font_roboto_regular_20.h"
+#endif
+#ifndef TREZOR_FONT_BOLD_DISABLE
 #include "font_roboto_bold_20.h"
+#endif
 
 #include "trezor-qrenc/qr_encode.h"
 
@@ -218,12 +224,18 @@ static const uint8_t *get_glyph(uint8_t font, uint8_t c)
         return 0;
     }
     switch (font) {
+#ifndef TREZOR_FONT_MONO_DISABLE
         case FONT_MONO:
             return Font_RobotoMono_Regular_20[c - ' '];
+#endif
+#ifndef TREZOR_FONT_NORMAL_DISABLE
         case FONT_NORMAL:
             return Font_Roboto_Regular_20[c - ' '];
+#endif
+#ifndef TREZOR_FONT_BOLD_DISABLE
         case FONT_BOLD:
             return Font_Roboto_Bold_20[c - ' '];
+#endif
     }
     return 0;
 }

micropython/extmod/modtrezorui/display.h

@@ -13,9 +13,15 @@
 #define DISPLAY_RESX 240
 #define DISPLAY_RESY 240
 
+#ifndef TREZOR_FONT_MONO_DISABLE
 #define FONT_MONO   0
+#endif
+#ifndef TREZOR_FONT_NORMAL_DISABLE
 #define FONT_NORMAL 1
+#endif
+#ifndef TREZOR_FONT_BOLD_DISABLE
 #define FONT_BOLD   2
+#endif
 
 #define LOADER_ICON_SIZE 64