babblesim: Fix build errors

that occurred after recent updates (nordic-nrfx v3.3.0.)

babblesim/core/include/core_cm4.h

@@ -17,6 +17,8 @@
 extern void NVIC_SetPriority(IRQn_Type IRQn, uint32_t priority);
 extern void NVIC_EnableIRQ(IRQn_Type IRQn);
 extern void NVIC_DisableIRQ(IRQn_Type IRQn);
+extern void NVIC_SetPendingIRQ(IRQn_Type IRQn);
+extern void NVIC_ClearPendingIRQ(IRQn_Type IRQn);
 
 void __WFI(void);
 

babblesim/core/src/main_config.c

@@ -23,6 +23,8 @@
 uint global_device_nbr;
 struct nrf52_bsim_args_t *args;
 
+extern int mynewt_main(int argc, char **argv);
+
 void
 bst_tick(bs_time_t time)
 {
@@ -46,7 +48,7 @@ main_clean_up_trace_wrap(void)
     return inner_main_clean_up(0);
 }
 
-void
+int
 main(int argc, char** argv)
 {
         setvbuf(stdout, NULL, _IOLBF, 512);

babblesim/edtt/hci_test/src/main.c

@@ -22,8 +22,8 @@
 #include "os/mynewt.h"
 #include "ble_hci_edtt.h"
 
-static int
-main_fn(int argc, char **argv)
+int
+mynewt_main(int argc, char **argv)
 {
     sysinit();
 
@@ -34,12 +34,3 @@ main_fn(int argc, char **argv)
     }
     return 0;
 }
-
-int
-main(int argc, char **argv)
-{
-    extern void bsim_init(int argc, char** argv, void *main_fn);
-    bsim_init(argc, argv, main_fn);
-
-    return 0;
-}

babblesim/hw/mcu/nordic/nrf52_bsim/src/hal_timer.c

@@ -663,7 +663,9 @@ hal_timer_config(int timer_num, uint32_t freq_hz)
     nrf_timer_task_trigger(hwtimer, NRF_TIMER_TASK_CLEAR);
 
     /* Put the timer in timer mode using 32 bits. */
-    nrf_timer_mode_set(hwtimer, NRF_TIMER_MODE_TIMER);
+    hwtimer->MODE = (hwtimer->MODE & ~TIMER_MODE_MODE_Msk) |
+                    ((NRF_TIMER_MODE_TIMER << TIMER_MODE_MODE_Pos) &
+                     TIMER_MODE_MODE_Msk);
     hwtimer->BITMODE = TIMER_BITMODE_BITMODE_32Bit;
 
     /* Set the pre-scalar */