cmake: link default flash-protect hook

Include hal/hal.c in wolfboothal and mark hal_flash_protect RAMFUNCTION so CMake RAM_CODE targets link and call the default hook correctly.

Author: danielinux

CMakeLists.txt

@@ -1152,7 +1152,7 @@ if(TZEN)
     endif()
 endif()
 
-target_sources(wolfboothal PRIVATE include/hal.h hal/${WOLFBOOT_TARGET}.c ${WOLFBOOT_FLASH_SOURCES}
+target_sources(wolfboothal PRIVATE include/hal.h hal/hal.c hal/${WOLFBOOT_TARGET}.c ${WOLFBOOT_FLASH_SOURCES}
                                    ${PARTITION_SOURCE} ${WOLFBOOT_TZ_HAL_SOURCES})
 
 

hal/hal.c

@@ -281,7 +281,7 @@ int hal_flash_test_dualbank(void)
 
 #endif /* TEST_FLASH */
 
-WEAKFUNCTION int hal_flash_protect(haladdr_t address, int len)
+WEAKFUNCTION int RAMFUNCTION hal_flash_protect(haladdr_t address, int len)
 {
     (void)address;
     (void)len;

hal/nrf5340.c

@@ -827,7 +827,7 @@ void hal_init(void)
 
 #ifdef __WOLFBOOT
 /* enable write protection for the region of flash specified */
-int hal_flash_protect(uint32_t start, uint32_t len)
+int RAMFUNCTION hal_flash_protect(uint32_t start, uint32_t len)
 {
     /* only application core supports SPU */
 #ifdef TARGET_nrf5340_app