add LPC4330 BSP based on NGX xplorer development board

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2487 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 160 insertions, 153 deletions

diff --git a/libcpu/arm/cortex-m4/cpuport.c b/libcpu/arm/cortex-m4/cpuport.c
index b8f00a7675..d320dccbb0 100644
--- a/libcpu/arm/cortex-m4/cpuport.c
+++ b/libcpu/arm/cortex-m4/cpuport.c
@@ -1,153 +1,160 @@
-/*

- * File      : cpuport.c

- * This file is part of RT-Thread RTOS

- * COPYRIGHT (C) 2006 - 2011, 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

- * 2011-10-21     Bernard      the first version.

- * 2011-10-27     aozima       update for cortex-M4 FPU.

- * 2011-12-31     aozima       fixed stack align issues.

- * 2012-01-01     aozima       support context switch load/store FPU register.

-*/

-#include <rtthread.h>

-

-#define USE_FPU   /* ARMCC */ (  (defined ( __CC_ARM ) && defined ( __TARGET_FPU_VFP )) \

-                  /* IAR */   || (defined ( __ICCARM__ ) && defined ( __ARMVFP__ )) \

-                  /* GNU */   || (defined ( __GNUC__ ) && defined ( __VFP_FP__ ) && !defined(__SOFTFP__)) )

-

-/* exception and interrupt handler table */

-rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;

-rt_uint32_t rt_thread_switch_interrupt_flag;

-

-struct exception_stack_frame

-{

-    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;

-

-#if USE_FPU

-    /* FPU register */

-    rt_uint32_t S0;

-    rt_uint32_t S1;

-    rt_uint32_t S2;

-    rt_uint32_t S3;

-    rt_uint32_t S4;

-    rt_uint32_t S5;

-    rt_uint32_t S6;

-    rt_uint32_t S7;

-    rt_uint32_t S8;

-    rt_uint32_t S9;

-    rt_uint32_t S10;

-    rt_uint32_t S11;

-    rt_uint32_t S12;

-    rt_uint32_t S13;

-    rt_uint32_t S14;

-    rt_uint32_t S15;

-    rt_uint32_t FPSCR;

-    rt_uint32_t NO_NAME;

-#endif

-};

-

-struct stack_frame

-{

-    /* r4 ~ r11 register */

-    rt_uint32_t r4;

-    rt_uint32_t r5;

-    rt_uint32_t r6;

-    rt_uint32_t r7;

-    rt_uint32_t r8;

-    rt_uint32_t r9;

-    rt_uint32_t r10;

-    rt_uint32_t r11;

-

-#if USE_FPU

-    /* FPU register s16 ~ s31 */

-    rt_uint32_t s16;

-    rt_uint32_t s17;

-    rt_uint32_t s18;

-    rt_uint32_t s19;

-    rt_uint32_t s20;

-    rt_uint32_t s21;

-    rt_uint32_t s22;

-    rt_uint32_t s23;

-    rt_uint32_t s24;

-    rt_uint32_t s25;

-    rt_uint32_t s26;

-    rt_uint32_t s27;

-    rt_uint32_t s28;

-    rt_uint32_t s29;

-    rt_uint32_t s30;

-    rt_uint32_t s31;

-#endif

-

-    struct exception_stack_frame exception_stack_frame;

-};

-

-rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,

-                             rt_uint8_t *stack_addr, void *texit)

-{

-    struct stack_frame * stack_frame;

-    rt_uint8_t * stk;

-    unsigned long i;

-

-    stk = stack_addr + sizeof(rt_uint32_t);

-

-    stk -= sizeof(struct stack_frame);

-    stack_frame = (struct stack_frame *)stk;

-

-    /* init all register */

-    for(i=0; i<sizeof(struct stack_frame)/sizeof(rt_uint32_t); i++)

-    {

-        ((rt_uint32_t*)stack_frame)[i] = 0xdeadbeef;

-    }

-

-    stack_frame->exception_stack_frame.r0 = (unsigned long)parameter; /* r0 : argument */

-    stack_frame->exception_stack_frame.r1 = 0;                        /* r1 */

-    stack_frame->exception_stack_frame.r2 = 0;                        /* r2 */

-    stack_frame->exception_stack_frame.r3 = 0;                        /* r3 */

-    stack_frame->exception_stack_frame.r12 = 0;                       /* r12 */

-    stack_frame->exception_stack_frame.lr = (unsigned long)texit;     /* lr */

-    stack_frame->exception_stack_frame.pc = (unsigned long)tentry;    /* entry point, pc */

-    stack_frame->exception_stack_frame.psr = 0x01000000L;             /* PSR */

-

-    /* return task's current stack address */

-    return stk;

-}

-

-extern void rt_hw_interrupt_thread_switch(void);

-extern long list_thread(void);

-extern rt_thread_t rt_current_thread;

-void rt_hw_hard_fault_exception(struct exception_stack_frame * exception_stack)

-{

-    rt_kprintf("psr: 0x%08x\n", exception_stack->psr);

-    rt_kprintf(" pc: 0x%08x\n", exception_stack->pc);

-    rt_kprintf(" lr: 0x%08x\n", exception_stack->lr);

-    rt_kprintf("r12: 0x%08x\n", exception_stack->r12);

-    rt_kprintf("r03: 0x%08x\n", exception_stack->r3);

-    rt_kprintf("r02: 0x%08x\n", exception_stack->r2);

-    rt_kprintf("r01: 0x%08x\n", exception_stack->r1);

-    rt_kprintf("r00: 0x%08x\n", exception_stack->r0);

-

-    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);

-#ifdef RT_USING_FINSH

-    list_thread();

-#endif

-    while (1);

-}

-

-void rt_hw_cpu_shutdown()

-{

-    rt_kprintf("shutdown...\n");

-

-    RT_ASSERT(0);

-}

+/*
+ * File      : cpuport.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2012, 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
+ * 2011-10-21     Bernard      the first version.
+ * 2011-10-27     aozima       update for cortex-M4 FPU.
+ * 2011-12-31     aozima       fixed stack align issues.
+ * 2012-01-01     aozima       support context switch load/store FPU register.
+ * 2012-12-11     lgnq         fixed the coding style.
+ */
+
+#include <rtthread.h>
+
+#define USE_FPU   /* ARMCC */ (  (defined ( __CC_ARM ) && defined ( __TARGET_FPU_VFP )) \
+                  /* IAR */   || (defined ( __ICCARM__ ) && defined ( __ARMVFP__ )) \
+                  /* GNU */   || (defined ( __GNUC__ ) && defined ( __VFP_FP__ ) && !defined(__SOFTFP__)) )
+
+/* exception and interrupt handler table */
+rt_uint32_t rt_interrupt_from_thread;
+rt_uint32_t rt_interrupt_to_thread;
+rt_uint32_t rt_thread_switch_interrupt_flag;
+
+struct exception_stack_frame
+{
+    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;
+
+#if USE_FPU
+    /* FPU register */
+    rt_uint32_t S0;
+    rt_uint32_t S1;
+    rt_uint32_t S2;
+    rt_uint32_t S3;
+    rt_uint32_t S4;
+    rt_uint32_t S5;
+    rt_uint32_t S6;
+    rt_uint32_t S7;
+    rt_uint32_t S8;
+    rt_uint32_t S9;
+    rt_uint32_t S10;
+    rt_uint32_t S11;
+    rt_uint32_t S12;
+    rt_uint32_t S13;
+    rt_uint32_t S14;
+    rt_uint32_t S15;
+    rt_uint32_t FPSCR;
+    rt_uint32_t NO_NAME;
+#endif
+};
+
+struct stack_frame
+{
+    /* r4 ~ r11 register */
+    rt_uint32_t r4;
+    rt_uint32_t r5;
+    rt_uint32_t r6;
+    rt_uint32_t r7;
+    rt_uint32_t r8;
+    rt_uint32_t r9;
+    rt_uint32_t r10;
+    rt_uint32_t r11;
+
+#if USE_FPU
+    /* FPU register s16 ~ s31 */
+    rt_uint32_t s16;
+    rt_uint32_t s17;
+    rt_uint32_t s18;
+    rt_uint32_t s19;
+    rt_uint32_t s20;
+    rt_uint32_t s21;
+    rt_uint32_t s22;
+    rt_uint32_t s23;
+    rt_uint32_t s24;
+    rt_uint32_t s25;
+    rt_uint32_t s26;
+    rt_uint32_t s27;
+    rt_uint32_t s28;
+    rt_uint32_t s29;
+    rt_uint32_t s30;
+    rt_uint32_t s31;
+#endif
+
+    struct exception_stack_frame exception_stack_frame;
+};
+
+rt_uint8_t *rt_hw_stack_init(void       *tentry,
+                             void       *parameter,
+                             rt_uint8_t *stack_addr,
+                             void       *texit)
+{
+    struct stack_frame *stack_frame;
+    rt_uint8_t         *stk;
+    unsigned long       i;
+
+    stk         = stack_addr + sizeof(rt_uint32_t);
+    stk        -= sizeof(struct stack_frame);
+
+    stack_frame = (struct stack_frame *)stk;
+
+    /* init all register */
+    for (i = 0; i < sizeof(struct stack_frame) / sizeof(rt_uint32_t); i ++)
+    {
+        ((rt_uint32_t *)stack_frame)[i] = 0xdeadbeef;
+    }
+
+    stack_frame->exception_stack_frame.r0  = (unsigned long)parameter; /* r0 : argument */
+    stack_frame->exception_stack_frame.r1  = 0;                        /* r1 */
+    stack_frame->exception_stack_frame.r2  = 0;                        /* r2 */
+    stack_frame->exception_stack_frame.r3  = 0;                        /* r3 */
+    stack_frame->exception_stack_frame.r12 = 0;                        /* r12 */
+    stack_frame->exception_stack_frame.lr  = (unsigned long)texit;     /* lr */
+    stack_frame->exception_stack_frame.pc  = (unsigned long)tentry;    /* entry point, pc */
+    stack_frame->exception_stack_frame.psr = 0x01000000L;              /* PSR */
+
+    /* return task's current stack address */
+    return stk;
+}
+
+extern void rt_hw_interrupt_thread_switch(void);
+extern long list_thread(void);
+extern rt_thread_t rt_current_thread;
+void rt_hw_hard_fault_exception(struct exception_stack_frame *exception_stack)
+{
+    rt_kprintf("psr: 0x%08x\n", exception_stack->psr);
+    rt_kprintf(" pc: 0x%08x\n", exception_stack->pc);
+    rt_kprintf(" lr: 0x%08x\n", exception_stack->lr);
+    rt_kprintf("r12: 0x%08x\n", exception_stack->r12);
+    rt_kprintf("r03: 0x%08x\n", exception_stack->r3);
+    rt_kprintf("r02: 0x%08x\n", exception_stack->r2);
+    rt_kprintf("r01: 0x%08x\n", exception_stack->r1);
+    rt_kprintf("r00: 0x%08x\n", exception_stack->r0);
+
+    rt_kprintf("hard fault on thread: %s\n", rt_current_thread->name);
+
+#ifdef RT_USING_FINSH
+    list_thread();
+#endif
+
+    while (1);
+}
+
+void rt_hw_cpu_shutdown(void)
+{
+    rt_kprintf("shutdown...\n");
+
+    RT_ASSERT(0);
+}