add ARM11

Author: Scott Larson

ports/arm11/ac5/example_build/build_threadx.bat

@@ -0,0 +1,4 @@
+armasm -g --cpu ARM1136J-S --apcs /interwork tx_initialize_low_level.s
+armcc -g -c -O2 --cpu ARM1136J-S --apcs /interwork -I../../../../common/inc -I../inc sample_threadx.c
+armlink -d -o sample_threadx.axf --elf --ro 0 --first tx_initialize_low_level.o(Init) --remove --map --symbols --list sample_threadx.map tx_initialize_low_level.o sample_threadx.o tx.a
+

ports/arm11/ac5/example_build/build_threadx_sample.bat

@@ -0,0 +1,369 @@
+/* This is a small demo of the high-performance ThreadX kernel.  It includes examples of eight
+   threads of different priorities, using a message queue, semaphore, mutex, event flags group, 
+   byte pool, and block pool.  */
+
+#include "tx_api.h"
+
+#define DEMO_STACK_SIZE         1024
+#define DEMO_BYTE_POOL_SIZE     9120
+#define DEMO_BLOCK_POOL_SIZE    100
+#define DEMO_QUEUE_SIZE         100
+
+
+/* Define the ThreadX object control blocks...  */
+
+TX_THREAD               thread_0;
+TX_THREAD               thread_1;
+TX_THREAD               thread_2;
+TX_THREAD               thread_3;
+TX_THREAD               thread_4;
+TX_THREAD               thread_5;
+TX_THREAD               thread_6;
+TX_THREAD               thread_7;
+TX_QUEUE                queue_0;
+TX_SEMAPHORE            semaphore_0;
+TX_MUTEX                mutex_0;
+TX_EVENT_FLAGS_GROUP    event_flags_0;
+TX_BYTE_POOL            byte_pool_0;
+TX_BLOCK_POOL           block_pool_0;
+
+
+/* Define the counters used in the demo application...  */
+
+ULONG                   thread_0_counter;
+ULONG                   thread_1_counter;
+ULONG                   thread_1_messages_sent;
+ULONG                   thread_2_counter;
+ULONG                   thread_2_messages_received;
+ULONG                   thread_3_counter;
+ULONG                   thread_4_counter;
+ULONG                   thread_5_counter;
+ULONG                   thread_6_counter;
+ULONG                   thread_7_counter;
+
+
+/* Define thread prototypes.  */
+
+void    thread_0_entry(ULONG thread_input);
+void    thread_1_entry(ULONG thread_input);
+void    thread_2_entry(ULONG thread_input);
+void    thread_3_and_4_entry(ULONG thread_input);
+void    thread_5_entry(ULONG thread_input);
+void    thread_6_and_7_entry(ULONG thread_input);
+
+
+/* Define main entry point.  */
+
+int main()
+{
+
+    /* Enter the ThreadX kernel.  */
+    tx_kernel_enter();
+}
+
+
+/* Define what the initial system looks like.  */
+
+void    tx_application_define(void *first_unused_memory)
+{
+
+CHAR    *pointer = TX_NULL;
+
+
+    /* Create a byte memory pool from which to allocate the thread stacks.  */
+    tx_byte_pool_create(&byte_pool_0, "byte pool 0", first_unused_memory, DEMO_BYTE_POOL_SIZE);
+
+    /* Put system definition stuff in here, e.g. thread creates and other assorted
+       create information.  */
+
+    /* Allocate the stack for thread 0.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    /* Create the main thread.  */
+    tx_thread_create(&thread_0, "thread 0", thread_0_entry, 0,  
+            pointer, DEMO_STACK_SIZE, 
+            1, 1, TX_NO_TIME_SLICE, TX_AUTO_START);
+
+
+    /* Allocate the stack for thread 1.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    /* Create threads 1 and 2. These threads pass information through a ThreadX 
+       message queue.  It is also interesting to note that these threads have a time
+       slice.  */
+    tx_thread_create(&thread_1, "thread 1", thread_1_entry, 1,  
+            pointer, DEMO_STACK_SIZE, 
+            16, 16, 4, TX_AUTO_START);
+
+    /* Allocate the stack for thread 2.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    tx_thread_create(&thread_2, "thread 2", thread_2_entry, 2,  
+            pointer, DEMO_STACK_SIZE, 
+            16, 16, 4, TX_AUTO_START);
+
+    /* Allocate the stack for thread 3.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    /* Create threads 3 and 4.  These threads compete for a ThreadX counting semaphore.  
+       An interesting thing here is that both threads share the same instruction area.  */
+    tx_thread_create(&thread_3, "thread 3", thread_3_and_4_entry, 3,  
+            pointer, DEMO_STACK_SIZE, 
+            8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
+
+    /* Allocate the stack for thread 4.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    tx_thread_create(&thread_4, "thread 4", thread_3_and_4_entry, 4,  
+            pointer, DEMO_STACK_SIZE, 
+            8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
+
+    /* Allocate the stack for thread 5.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    /* Create thread 5.  This thread simply pends on an event flag which will be set
+       by thread_0.  */
+    tx_thread_create(&thread_5, "thread 5", thread_5_entry, 5,  
+            pointer, DEMO_STACK_SIZE, 
+            4, 4, TX_NO_TIME_SLICE, TX_AUTO_START);
+
+    /* Allocate the stack for thread 6.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    /* Create threads 6 and 7.  These threads compete for a ThreadX mutex.  */
+    tx_thread_create(&thread_6, "thread 6", thread_6_and_7_entry, 6,  
+            pointer, DEMO_STACK_SIZE, 
+            8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
+
+    /* Allocate the stack for thread 7.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_STACK_SIZE, TX_NO_WAIT);
+
+    tx_thread_create(&thread_7, "thread 7", thread_6_and_7_entry, 7,  
+            pointer, DEMO_STACK_SIZE, 
+            8, 8, TX_NO_TIME_SLICE, TX_AUTO_START);
+
+    /* Allocate the message queue.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_QUEUE_SIZE*sizeof(ULONG), TX_NO_WAIT);
+
+    /* Create the message queue shared by threads 1 and 2.  */
+    tx_queue_create(&queue_0, "queue 0", TX_1_ULONG, pointer, DEMO_QUEUE_SIZE*sizeof(ULONG));
+
+    /* Create the semaphore used by threads 3 and 4.  */
+    tx_semaphore_create(&semaphore_0, "semaphore 0", 1);
+
+    /* Create the event flags group used by threads 1 and 5.  */
+    tx_event_flags_create(&event_flags_0, "event flags 0");
+
+    /* Create the mutex used by thread 6 and 7 without priority inheritance.  */
+    tx_mutex_create(&mutex_0, "mutex 0", TX_NO_INHERIT);
+
+    /* Allocate the memory for a small block pool.  */
+    tx_byte_allocate(&byte_pool_0, (VOID **) &pointer, DEMO_BLOCK_POOL_SIZE, TX_NO_WAIT);
+
+    /* Create a block memory pool to allocate a message buffer from.  */
+    tx_block_pool_create(&block_pool_0, "block pool 0", sizeof(ULONG), pointer, DEMO_BLOCK_POOL_SIZE);
+
+    /* Allocate a block and release the block memory.  */
+    tx_block_allocate(&block_pool_0, (VOID **) &pointer, TX_NO_WAIT);
+
+    /* Release the block back to the pool.  */
+    tx_block_release(pointer);
+}
+
+
+
+/* Define the test threads.  */
+
+void    thread_0_entry(ULONG thread_input)
+{
+
+UINT    status;
+
+
+    /* This thread simply sits in while-forever-sleep loop.  */
+    while(1)
+    {
+
+        /* Increment the thread counter.  */
+        thread_0_counter++;
+
+        /* Sleep for 10 ticks.  */
+        tx_thread_sleep(10);
+
+        /* Set event flag 0 to wakeup thread 5.  */
+        status =  tx_event_flags_set(&event_flags_0, 0x1, TX_OR);
+
+        /* Check status.  */
+        if (status != TX_SUCCESS)
+            break;
+    }
+}
+
+
+void    thread_1_entry(ULONG thread_input)
+{
+
+UINT    status;
+
+
+    /* This thread simply sends messages to a queue shared by thread 2.  */
+    while(1)
+    {
+
+        /* Increment the thread counter.  */
+        thread_1_counter++;
+
+        /* Send message to queue 0.  */
+        status =  tx_queue_send(&queue_0, &thread_1_messages_sent, TX_WAIT_FOREVER);
+
+        /* Check completion status.  */
+        if (status != TX_SUCCESS)
+            break;
+
+        /* Increment the message sent.  */
+        thread_1_messages_sent++;
+    }
+}
+
+
+void    thread_2_entry(ULONG thread_input)
+{
+
+ULONG   received_message;
+UINT    status;
+
+    /* This thread retrieves messages placed on the queue by thread 1.  */
+    while(1)
+    {
+
+        /* Increment the thread counter.  */
+        thread_2_counter++;
+
+        /* Retrieve a message from the queue.  */
+        status = tx_queue_receive(&queue_0, &received_message, TX_WAIT_FOREVER);
+
+        /* Check completion status and make sure the message is what we 
+           expected.  */
+        if ((status != TX_SUCCESS) || (received_message != thread_2_messages_received))
+            break;
+        
+        /* Otherwise, all is okay.  Increment the received message count.  */
+        thread_2_messages_received++;
+    }
+}
+
+
+void    thread_3_and_4_entry(ULONG thread_input)
+{
+
+UINT    status;
+
+
+    /* This function is executed from thread 3 and thread 4.  As the loop
+       below shows, these function compete for ownership of semaphore_0.  */
+    while(1)
+    {
+
+        /* Increment the thread counter.  */
+        if (thread_input == 3)
+            thread_3_counter++;
+        else
+            thread_4_counter++;
+
+        /* Get the semaphore with suspension.  */
+        status =  tx_semaphore_get(&semaphore_0, TX_WAIT_FOREVER);
+
+        /* Check status.  */
+        if (status != TX_SUCCESS)
+            break;
+
+        /* Sleep for 2 ticks to hold the semaphore.  */
+        tx_thread_sleep(2);
+
+        /* Release the semaphore.  */
+        status =  tx_semaphore_put(&semaphore_0);
+
+        /* Check status.  */
+        if (status != TX_SUCCESS)
+            break;
+    }
+}
+
+
+void    thread_5_entry(ULONG thread_input)
+{
+
+UINT    status;
+ULONG   actual_flags;
+
+
+    /* This thread simply waits for an event in a forever loop.  */
+    while(1)
+    {
+
+        /* Increment the thread counter.  */
+        thread_5_counter++;
+
+        /* Wait for event flag 0.  */
+        status =  tx_event_flags_get(&event_flags_0, 0x1, TX_OR_CLEAR, 
+                                                &actual_flags, TX_WAIT_FOREVER);
+
+        /* Check status.  */
+        if ((status != TX_SUCCESS) || (actual_flags != 0x1))
+            break;
+    }
+}
+
+
+void    thread_6_and_7_entry(ULONG thread_input)
+{
+
+UINT    status;
+
+
+    /* This function is executed from thread 6 and thread 7.  As the loop
+       below shows, these function compete for ownership of mutex_0.  */
+    while(1)
+    {
+
+        /* Increment the thread counter.  */
+        if (thread_input == 6)
+            thread_6_counter++;
+        else
+            thread_7_counter++;
+
+        /* Get the mutex with suspension.  */
+        status =  tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
+
+        /* Check status.  */
+        if (status != TX_SUCCESS)
+            break;
+
+        /* Get the mutex again with suspension.  This shows
+           that an owning thread may retrieve the mutex it
+           owns multiple times.  */
+        status =  tx_mutex_get(&mutex_0, TX_WAIT_FOREVER);
+
+        /* Check status.  */
+        if (status != TX_SUCCESS)
+            break;
+
+        /* Sleep for 2 ticks to hold the mutex.  */
+        tx_thread_sleep(2);
+
+        /* Release the mutex.  */
+        status =  tx_mutex_put(&mutex_0);
+
+        /* Check status.  */
+        if (status != TX_SUCCESS)
+            break;
+
+        /* Release the mutex again.  This will actually 
+           release ownership since it was obtained twice.  */
+        status =  tx_mutex_put(&mutex_0);
+
+        /* Check status.  */
+        if (status != TX_SUCCESS)
+            break;
+    }
+}