diff options
| author | qiuyiuestc <[email protected]> | 2009-11-29 14:35:37 +0000 |
|---|---|---|
| committer | qiuyiuestc <[email protected]> | 2009-11-29 14:35:37 +0000 |
| commit | 2cac413f95dc1a0034ccd31b0fc3910f397f6475 (patch) | |
| tree | 22bdb8a2fca66087a356d60d104941b4a60269cc /libcpu | |
| parent | bfc50209aea2d4c10d025f11779400d32ed9ff8c (diff) | |
File system and net for LM3S platform are available.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@181 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'libcpu')
| -rw-r--r-- | libcpu/arm/lm3s/fault.c | 34 | ||||
| -rw-r--r-- | libcpu/arm/lm3s/fault_rvds.S | 33 | ||||
| -rw-r--r-- | libcpu/arm/lm3s/start_rvds.S | 8 |
3 files changed, 72 insertions, 3 deletions
diff --git a/libcpu/arm/lm3s/fault.c b/libcpu/arm/lm3s/fault.c new file mode 100644 index 0000000000..c3cf747018 --- /dev/null +++ b/libcpu/arm/lm3s/fault.c @@ -0,0 +1,34 @@ +#include <rtthread.h>
+
+struct stack_contex
+{
+ rt_uint32_t r0;
+ rt_uint32_t r1;
+ rt_uint32_t r2;
+ rt_uint32_t r3;
+ rt_uint32_t r12;
+ rt_uint32_t lr;
+ rt_uint32_t pc;
+ rt_uint32_t psr;
+};
+
+extern void rt_hw_interrupt_thread_switch(void);
+extern void list_thread(void);
+extern rt_thread_t rt_current_thread;
+void rt_hw_hard_fault_exception(struct stack_contex* contex)
+{
+ rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
+ rt_kprintf("psr: 0x%08x\n", contex->psr);
+ rt_kprintf(" pc: 0x%08x\n", contex->pc);
+ rt_kprintf(" lr: 0x%08x\n", contex->lr);
+ rt_kprintf("r12: 0x%08x\n", contex->r12);
+ rt_kprintf("r03: 0x%08x\n", contex->r3);
+ rt_kprintf("r02: 0x%08x\n", contex->r2);
+ rt_kprintf("r01: 0x%08x\n", contex->r1);
+ rt_kprintf("r00: 0x%08x\n", contex->r0);
+
+#ifdef RT_USING_FINSH
+ list_thread();
+#endif
+ while (1);
+}
diff --git a/libcpu/arm/lm3s/fault_rvds.S b/libcpu/arm/lm3s/fault_rvds.S new file mode 100644 index 0000000000..19da38da91 --- /dev/null +++ b/libcpu/arm/lm3s/fault_rvds.S @@ -0,0 +1,33 @@ +;/*
+; * File : context.S
+; * This file is part of RT-Thread RTOS
+; * COPYRIGHT (C) 2006, RT-Thread Development Team
+; *
+; * The license and distribution terms for this file may be
+; * found in the file LICENSE in this distribution or at
+; * http://www.rt-thread.org/license/LICENSE
+; *
+; * Change Logs:
+; * Date Author Notes
+; * 2009-01-17 Bernard first version
+; */
+
+ AREA |.text|, CODE, READONLY, ALIGN=2
+ THUMB
+ REQUIRE8
+ PRESERVE8
+
+ IMPORT rt_hw_hard_fault_exception
+
+rt_hw_hard_fault PROC
+ EXPORT rt_hw_hard_fault
+
+ ; get current context
+ MRS r0, psp ; get fault thread stack pointer
+ BL rt_hw_hard_fault_exception
+
+ ORR lr, lr, #0x04
+ BX lr
+ ENDP
+
+ END
\ No newline at end of file diff --git a/libcpu/arm/lm3s/start_rvds.S b/libcpu/arm/lm3s/start_rvds.S index ad5295faab..994d95f7d4 100644 --- a/libcpu/arm/lm3s/start_rvds.S +++ b/libcpu/arm/lm3s/start_rvds.S @@ -65,6 +65,8 @@ __heap_limit IMPORT rt_hw_pend_sv
IMPORT rt_hw_timer_handler
IMPORT rt_hw_uart_isr_1
+ IMPORT luminaryif_isr
+ IMPORT rt_hw_hard_fault
;******************************************************************************
;
@@ -91,7 +93,7 @@ __Vectors DCD StackMem + Stack ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NmiSR ; NMI Handler
- DCD FaultISR ; Hard Fault Handler
+ DCD rt_hw_hard_fault ; Hard Fault Handler
DCD IntDefaultHandler ; MPU Fault Handler
DCD IntDefaultHandler ; Bus Fault Handler
DCD IntDefaultHandler ; Usage Fault Handler
@@ -146,8 +148,8 @@ __Vectors DCD IntDefaultHandler ; CAN0
DCD IntDefaultHandler ; CAN1
DCD IntDefaultHandler ; CAN2
- DCD IntDefaultHandler ; Ethernet
- DCD IntDefaultHandler ; Hibernate
+ DCD luminaryif_isr ; Ethernet
+ DCD IntDefaultHandler ; Hibernate
DCD IntDefaultHandler ; USB0
DCD IntDefaultHandler ; PWM Generator 3
DCD IntDefaultHandler ; uDMA Software Transfer
|