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rt-thread-official
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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
This commit is contained in:
qiuyiuestc 2009-11-29 14:35:37 +00:00
parent bfc50209ae
commit 2cac413f95
5 changed files with 77 additions and 6 deletions
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34
libcpu/arm/lm3s/fault.c Normal file
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@ -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);
}

33
libcpu/arm/lm3s/fault_rvds.S Normal file
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@ -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

8
libcpu/arm/lm3s/start_rvds.S
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@ -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

6
net/lwip/src/lwipopts.h
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@ -63,8 +63,8 @@
#define AUTOIP_DEBUG LWIP_DBG_OFF
#define DHCP_DEBUG LWIP_DBG_OFF
#define IP_DEBUG LWIP_DBG_OFF
#define IP_REASS_DEBUG LWIP_DBG_ON
#define ICMP_DEBUG LWIP_DBG_ON
#define IP_REASS_DEBUG LWIP_DBG_OFF
#define ICMP_DEBUG LWIP_DBG_OFF
#define IGMP_DEBUG LWIP_DBG_OFF
#define UDP_DEBUG LWIP_DBG_OFF
#define TCP_DEBUG LWIP_DBG_OFF
@ -142,6 +142,8 @@
link level header. */
#define PBUF_LINK_HLEN 16
#define ETH_PAD_SIZE 2 // default is 0
/** SYS_LIGHTWEIGHT_PROT
* define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
* for certain critical regions during buffer allocation, deallocation and memory

2
net/lwip/src/netif/ethernetif.c
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@ -63,7 +63,7 @@ err_t eth_input(struct pbuf *p, struct netif *inp)
{
case ETHTYPE_IP:
etharp_ip_input(inp, p);
pbuf_header(p, -14);
pbuf_header(p, -((rt_int16_t)sizeof(struct eth_hdr)));
tcpip_input(p, inp);
break;