Release 6.1.8v6.1.8_rel

1 files changed, 79 insertions, 39 deletions

diff --git a/ports/cortex_m0/gnu/example_build/tx_initialize_low_level.S b/ports/cortex_m0/gnu/example_build/tx_initialize_low_level.S
index b4c52df3..aaf3ece2 100644
--- a/ports/cortex_m0/gnu/example_build/tx_initialize_low_level.S
+++ b/ports/cortex_m0/gnu/example_build/tx_initialize_low_level.S
@@ -135,55 +135,95 @@ _tx_initialize_low_level:
 @
     LDR     r0, =0xE000E000                         @ Build address of NVIC registers
     LDR     r1, =SYSTICK_CYCLES
-    STR     r1, [r0, #0x14]                         @ Setup SysTick Reload Value
-    LDR     r1, =0x7                                @ Build SysTick Control Enable Value
-    STR     r1, [r0, #0x10]                         @ Setup SysTick Control
-@
-@    /* Configure handler priorities.  */
-@
-    LDR     r1, =0x00000000                         @ Rsrv, UsgF, BusF, MemM
-    LDR     r0, =0xE000E000                         @ Build address of NVIC registers
-    LDR     r2, =0xD18                              @
-    ADD     r0, r0, r2                              @ 
-    STR     r1, [r0]                                @ Setup System Handlers 4-7 Priority Registers
-    LDR     r1, =0xFF000000                         @ SVCl, Rsrv, Rsrv, Rsrv
-    LDR     r0, =0xE000E000                         @ Build address of NVIC registers
-    LDR     r2, =0xD1C                              @ 
-    ADD     r0, r0, r2                              @ 
-    STR     r1, [r0]                                @ Setup System Handlers 8-11 Priority Registers
-                                                    @ Note: SVC must be lowest priority, which is 0xFF
-    LDR     r1, =0x40FF0000                         @ SysT, PnSV, Rsrv, DbgM
-    LDR     r0, =0xE000E000                         @ Build address of NVIC registers
-    LDR     r2, =0xD20                              @   
-    ADD     r0, r0, r2                              @ 
-    STR     r1, [r0]                                @ Setup System Handlers 12-15 Priority Registers
-                                                    @ Note: PnSV must be lowest priority, which is 0xFF
-        
-@
-@    /* Return to caller.  */
-@    
-    BX      lr 
-@}
-@
-@ /* System Tick timer interrupt handler */
+    STR     r1, [r0, #0x14]                         // Setup SysTick Reload Value
+    LDR     r1, =0x7                                // Build SysTick Control Enable Value
+    STR     r1, [r0, #0x10]                         // Setup SysTick Control
+
+    /* Configure handler priorities.  */
+
+    LDR     r1, =0x00000000                         // Rsrv, UsgF, BusF, MemM
+    LDR     r0, =0xE000E000                         // Build address of NVIC registers
+    LDR     r2, =0xD18                              //
+    ADD     r0, r0, r2                              // 
+    STR     r1, [r0]                                // Setup System Handlers 4-7 Priority Registers
+    LDR     r1, =0xFF000000                         // SVCl, Rsrv, Rsrv, Rsrv
+    LDR     r0, =0xE000E000                         // Build address of NVIC registers
+    LDR     r2, =0xD1C                              // 
+    ADD     r0, r0, r2                              // 
+    STR     r1, [r0]                                // Setup System Handlers 8-11 Priority Registers
+                                                    // Note: SVC must be lowest priority, which is 0xFF
+    LDR     r1, =0x40FF0000                         // SysT, PnSV, Rsrv, DbgM
+    LDR     r0, =0xE000E000                         // Build address of NVIC registers
+    LDR     r2, =0xD20                              //   
+    ADD     r0, r0, r2                              // 
+    STR     r1, [r0]                                // Setup System Handlers 12-15 Priority Registers
+                                                    // Note: PnSV must be lowest priority, which is 0xFF
+
+    /* Return to caller.  */
+    BX      lr
+// }
+
+/* Define shells for each of the unused vectors.  */
+    .global  __tx_BadHandler
+    .thumb_func
+__tx_BadHandler:
+    B       __tx_BadHandler
+
+/* added to catch the hardfault */
+    .global  __tx_HardfaultHandler
+    .thumb_func
+__tx_HardfaultHandler:
+    B       __tx_HardfaultHandler
+
+/* Generic interrupt handler template */
+    .global  __tx_IntHandler
+    .thumb_func
+__tx_IntHandler:
+// VOID InterruptHandler (VOID)
+// {
+    PUSH    {r0, lr}
+#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
+    BL      _tx_execution_isr_enter             // Call the ISR enter function
+#endif
+    /* Do interrupt handler work here */
+    /* BL <your C Function>.... */
+#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
+    BL      _tx_execution_isr_exit              // Call the ISR exit function
+#endif
+    POP     {r0, r1}
+    MOV     lr, r1
+    BX      lr
+// }
+
+/* System Tick timer interrupt handler */
     .global  __tx_SysTickHandler
     .global  SysTick_Handler
     .thumb_func
 __tx_SysTickHandler:
     .thumb_func
 SysTick_Handler:
-@ VOID SysTick_Handler (VOID)
-@ {
-@
+// VOID SysTick_Handler (VOID)
+// {
     PUSH    {r0, lr}
-#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
-    BL      _tx_execution_isr_enter                 @ Call the ISR enter function
+#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
+    BL      _tx_execution_isr_enter             // Call the ISR enter function
 #endif
     BL      _tx_timer_interrupt
-#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
-    BL      _tx_execution_isr_exit                  @ Call the ISR exit function
+#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
+    BL      _tx_execution_isr_exit              // Call the ISR exit function
 #endif
     POP     {r0, r1}
     MOV     lr, r1
     BX      lr
-@ }
+// }
+
+/* NMI, DBG handlers */
+    .global  __tx_NMIHandler
+    .thumb_func
+__tx_NMIHandler:
+    B       __tx_NMIHandler
+
+    .global  __tx_DBGHandler
+    .thumb_func
+__tx_DBGHandler:
+    B       __tx_DBGHandler