Add support for the EFM32GG_STK3700 target

Fixes #19: "mbed-os-example-uvisor-number-store doesn't work on EFM32GG_STK3700"

Author: AlessandroA

README.md

@@ -20,9 +20,10 @@ As usual, all the code/data that is not protected by a secure box ends up in the
 
 Supported devices:
 
-| Target | Toolchain | Baud rate |
-|--------|-----------|-----------|
-| `K64F` | `GCC_ARM` | 9600      |
+| Target            | Toolchain | Baud rate |
+|-------------------|-----------|-----------|
+| `K64F`            | `GCC_ARM` | 9600      |
+| `EFM32GG_STK3700` | `GCC_ARM` | 9600      |
 
 Latest release: [mbed-os-5.4.x](https://github.com/ARMmbed/mbed-os-example-uvisor/releases/tag/latest). Tested with [mbed-cli v1.0.0](https://github.com/ARMmbed/mbed-cli/releases/tag/1.0.0).
 

source/main-hw.h

@@ -52,7 +52,29 @@ extern Serial shared_pc;
         {SPI0,   sizeof(*SPI0),   UVISOR_TACLDEF_PERIPH}, \
     }
 
+#elif defined(TARGET_EFM32GG_STK3700)
+
+#define MAIN_LED           LED1
+#define SECURE_LED         LED2
+#define LED_ON             true
+#define LED_OFF            false
+#define SECURE_SWITCH      SW0
+#define SECURE_SWITCH_PULL PullUp
+#define SHARED_SERIAL_BAUD 115200
+
+#define MAIN_ACL(acl_list_name) \
+    static const UvisorBoxAclItem acl_list_name[] = {     \
+        {CMU,                 sizeof(*CMU),    UVISOR_TACLDEF_PERIPH}, \
+        {MSC,                 sizeof(*MSC),    UVISOR_TACLDEF_PERIPH}, \
+        {GPIO,                sizeof(*GPIO),   UVISOR_TACLDEF_PERIPH}, \
+        {TIMER0,              sizeof(*TIMER0), UVISOR_TACLDEF_PERIPH}, \
+        {UART0,               sizeof(*UART0),  UVISOR_TACLDEF_PERIPH}, \
+        {(void *) 0x0FE08000, 0x1000,          UVISOR_TACLDEF_PERIPH}, \
+        {(void *) 0x42000000, 0x2000000,       UVISOR_TACLDEF_PERIPH}, \
+    }
+
 #else /* Target-specific settings */
+
 #error "Unsupported target. Checkout the README.md file for the list of supported targets for this app."
 
 #endif /* Target-specific settings */

test/filters.json

@@ -1,6 +1,6 @@
 {
     "blacklist" : [ {
-        "platforms" : ["EFM32GG_STK3700", "DISCO_F429ZI"]
+        "platforms" : ["DISCO_F429ZI"]
         }
     ]
 }