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authorBroadcom Corporation (Evan Hunter) <ehunter@broadcom.com>2011-04-14 10:25:01 +0200
committerØyvind Harboe <oyvind.harboe@zylin.com>2011-04-15 08:24:18 +0200
commitb69119668ed8d9633280f8b596fe9af60f51644b (patch)
tree68a8f525c679f6ce4a9a852b90116afa214329e0 /src/rtos
parentf9feeacb7fa9b1f60d803708b831bde2187f29b5 (diff)
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RTOS Thread awareness support wip
- works on Cortex-M3 with ThreadX and FreeRTOS Compared to original patch a few nits were fixed: - remove stricmp usage - unsigned compare fix - printf formatting fixes - fixed a bug with overrunning a memory buffer allocated with malloc.
Diffstat (limited to 'src/rtos')
-rw-r--r--src/rtos/FreeRTOS.c481
-rw-r--r--src/rtos/Makefile.am35
-rw-r--r--src/rtos/ThreadX.c536
-rw-r--r--src/rtos/rtos.c657
-rw-r--r--src/rtos/rtos.h106
-rw-r--r--src/rtos/rtos_standard_stackings.c65
-rw-r--r--src/rtos/rtos_standard_stackings.h32
7 files changed, 1912 insertions, 0 deletions
diff --git a/src/rtos/FreeRTOS.c b/src/rtos/FreeRTOS.c
new file mode 100644
index 0000000..0007416
--- /dev/null
+++ b/src/rtos/FreeRTOS.c
@@ -0,0 +1,481 @@
+/***************************************************************************
+ * Copyright (C) 2011 by Broadcom Corporation *
+ * Evan Hunter - ehunter@broadcom.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <helper/time_support.h>
+#include <jtag/jtag.h>
+#include "target/target.h"
+#include "target/target_type.h"
+#include "rtos.h"
+#include "helper/log.h"
+#include "rtos_standard_stackings.h"
+
+#define FreeRTOS_STRUCT( int_type, ptr_type, list_prev_offset )
+
+
+struct FreeRTOS_params
+{
+ const char * target_name;
+ const unsigned char thread_count_width;
+ const unsigned char pointer_width;
+ const unsigned char list_next_offset;
+ const unsigned char list_width;
+ const unsigned char list_elem_next_offset;
+ const unsigned char list_elem_content_offset;
+ const unsigned char thread_stack_offset;
+ const unsigned char thread_name_offset;
+ const struct rtos_register_stacking* stacking_info;
+};
+
+
+
+
+const struct FreeRTOS_params FreeRTOS_params_list[] =
+{
+ { "cortex_m3", // target_name
+ 4, // thread_count_width;
+ 4, // pointer_width;
+ 16, // list_next_offset;
+ 20, // list_width;
+ 8, // list_elem_next_offset;
+ 12, // list_elem_content_offset
+ 0, // thread_stack_offset;
+ 52, // thread_name_offset;
+ &rtos_standard_Cortex_M3_stacking, // stacking_info
+ }
+
+};
+
+
+#define FREERTOS_NUM_PARAMS ((int)(sizeof(FreeRTOS_params_list)/sizeof(struct FreeRTOS_params)))
+
+static int FreeRTOS_detect_rtos( struct target* target );
+static int FreeRTOS_create( struct target* target );
+static int FreeRTOS_update_threads( struct rtos *rtos );
+static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, long long thread_id, char ** hex_reg_list );
+static int FreeRTOS_get_symbol_list_to_lookup(symbol_table_elem_t * symbol_list[]);
+
+
+
+
+struct rtos_type FreeRTOS_rtos =
+{
+ .name = "FreeRTOS",
+
+ .detect_rtos = FreeRTOS_detect_rtos,
+ .create = FreeRTOS_create,
+ .update_threads = FreeRTOS_update_threads,
+ .get_thread_reg_list = FreeRTOS_get_thread_reg_list,
+ .get_symbol_list_to_lookup = FreeRTOS_get_symbol_list_to_lookup,
+};
+
+enum FreeRTOS_symbol_values
+{
+ FreeRTOS_VAL_pxCurrentTCB = 0,
+ FreeRTOS_VAL_pxReadyTasksLists = 1,
+ FreeRTOS_VAL_xDelayedTaskList1 = 2,
+ FreeRTOS_VAL_xDelayedTaskList2 = 3,
+ FreeRTOS_VAL_pxDelayedTaskList = 4,
+ FreeRTOS_VAL_pxOverflowDelayedTaskList = 5,
+ FreeRTOS_VAL_xPendingReadyList = 6,
+ FreeRTOS_VAL_xTasksWaitingTermination = 7,
+ FreeRTOS_VAL_xSuspendedTaskList = 8,
+ FreeRTOS_VAL_uxCurrentNumberOfTasks = 9,
+};
+
+static char* FreeRTOS_symbol_list[] =
+{
+ "pxCurrentTCB",
+ "pxReadyTasksLists",
+ "xDelayedTaskList1",
+ "xDelayedTaskList2",
+ "pxDelayedTaskList",
+ "pxOverflowDelayedTaskList",
+ "xPendingReadyList",
+ "xTasksWaitingTermination",
+ "xSuspendedTaskList",
+ "uxCurrentNumberOfTasks",
+ NULL
+};
+
+#define FREERTOS_NUM_SYMBOLS (sizeof(FreeRTOS_symbol_list)/sizeof(char*))
+
+// TODO:
+// this is not safe for little endian yet
+// may be problems reading if sizes are not 32 bit long integers.
+// test mallocs for failure
+
+static int FreeRTOS_update_threads( struct rtos *rtos )
+{
+ int i = 0;
+ int retval;
+ int tasks_found = 0;
+ const struct FreeRTOS_params* param;
+
+ if (rtos->rtos_specific_params == NULL )
+ {
+ return -1;
+ }
+
+ param = (const struct FreeRTOS_params*) rtos->rtos_specific_params;
+
+ if ( rtos->symbols == NULL )
+ {
+ LOG_OUTPUT("No symbols for FreeRTOS\r\n");
+ return -3;
+ }
+
+ if ( rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address == 0 )
+ {
+ LOG_OUTPUT("Don't have the number of threads in FreeRTOS \r\n");
+ return -2;
+ }
+
+ int thread_list_size = 0;
+ retval = target_read_buffer( rtos->target, rtos->symbols[FreeRTOS_VAL_uxCurrentNumberOfTasks].address, param->thread_count_width, (uint8_t *)&thread_list_size);
+
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Could not read FreeRTOS thread count from target\r\n");
+ return retval;
+ }
+
+
+ // wipe out previous thread details if any
+ if ( rtos->thread_details != NULL )
+ {
+ int j;
+ for( j = 0; j < rtos->thread_count; j++ )
+ {
+ if ( rtos->thread_details[j].display_str != NULL )
+ {
+ free( rtos->thread_details[j].display_str );
+ rtos->thread_details[j].display_str = NULL;
+ }
+ if ( rtos->thread_details[j].thread_name_str != NULL )
+ {
+ free( rtos->thread_details[j].thread_name_str );
+ rtos->thread_details[j].thread_name_str = NULL;
+ }
+ if ( rtos->thread_details[j].extra_info_str != NULL )
+ {
+ free( rtos->thread_details[j].extra_info_str );
+ rtos->thread_details[j].extra_info_str = NULL;
+ }
+ }
+ free( rtos->thread_details );
+ rtos->thread_details = NULL;
+ }
+
+
+ // read the current thread
+ retval = target_read_buffer( rtos->target, rtos->symbols[FreeRTOS_VAL_pxCurrentTCB].address, param->pointer_width, (uint8_t *)&rtos->current_thread );
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading current thread in FreeRTOS thread list\r\n");
+ return retval;
+ }
+
+ if ( ( thread_list_size == 0 ) || ( rtos->current_thread == 0 ) )
+ {
+ // Either : No RTOS threads - there is always at least the current execution though
+ // OR : No current thread - all threads suspended - show the current execution of idling
+ char tmp_str[] = "Current Execution";
+ thread_list_size++;
+ tasks_found++;
+ rtos->thread_details = (struct thread_detail*) malloc( sizeof( struct thread_detail ) * thread_list_size );
+ rtos->thread_details->threadid = 1;
+ rtos->thread_details->exists = true;
+ rtos->thread_details->display_str = NULL;
+ rtos->thread_details->extra_info_str = NULL;
+ rtos->thread_details->thread_name_str = (char*) malloc( sizeof(tmp_str) );
+ strcpy( rtos->thread_details->thread_name_str, tmp_str );
+
+
+ if ( thread_list_size == 1 )
+ {
+ rtos->thread_count = 1;
+ return ERROR_OK;
+ }
+ }
+ else
+ {
+ // create space for new thread details
+ rtos->thread_details = (struct thread_detail*) malloc( sizeof( struct thread_detail ) * thread_list_size );
+ }
+
+
+ // Unfortunately, we can't know how many lists there are for pxReadyTasksLists,
+ // So figure it out via other variables
+ int num_ready_task_lists = (rtos->symbols[FreeRTOS_VAL_xDelayedTaskList1].address - rtos->symbols[FreeRTOS_VAL_pxReadyTasksLists].address) / param->list_width;
+
+
+ symbol_address_t* list_of_lists = (symbol_address_t *)malloc( sizeof( symbol_address_t ) * ( num_ready_task_lists + 5 ) );
+
+ int num_lists;
+ for( num_lists = 0; num_lists < num_ready_task_lists; num_lists++ )
+ {
+ list_of_lists[num_lists] = rtos->symbols[FreeRTOS_VAL_pxReadyTasksLists].address + num_lists * param->list_width;
+ }
+
+ list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xDelayedTaskList1].address;
+ list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xDelayedTaskList2].address;
+ list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xPendingReadyList].address;
+ list_of_lists[num_lists++] = rtos->symbols[FreeRTOS_VAL_xTasksWaitingTermination].address;
+
+
+ for( i = 0; i < num_lists; i++ )
+ {
+ if ( list_of_lists[i] == 0 )
+ {
+ continue;
+ }
+
+ // Read the number of threads in this list
+ long long list_thread_count = 0;
+ retval = target_read_buffer( rtos->target, list_of_lists[i], param->thread_count_width, (uint8_t *)&list_thread_count);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading number of threads in FreeRTOS thread list\r\n");
+ return retval;
+ }
+
+ if ( list_thread_count == 0 )
+ {
+ continue;
+ }
+
+ // Read the location of first list item
+ unsigned long long prev_list_elem_ptr = -1;
+ unsigned long long list_elem_ptr = 0;
+ retval = target_read_buffer( rtos->target, list_of_lists[i] + param->list_next_offset, param->pointer_width, (uint8_t *)&list_elem_ptr);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading first thread item location in FreeRTOS thread list\r\n");
+ return retval;
+ }
+
+
+ while ( (list_thread_count > 0) && ( list_elem_ptr != 0) && ( list_elem_ptr != prev_list_elem_ptr ) && ( tasks_found < thread_list_size ) )
+ {
+ // Get the location of the thread structure.
+ rtos->thread_details[tasks_found].threadid = 0;
+ retval = target_read_buffer( rtos->target, list_elem_ptr + param->list_elem_content_offset, param->pointer_width, (uint8_t *)&(rtos->thread_details[tasks_found].threadid));
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading thread list item object in FreeRTOS thread list\r\n");
+ return retval;
+ }
+
+
+ // get thread name
+
+ #define FREERTOS_THREAD_NAME_STR_SIZE (200)
+ char tmp_str[FREERTOS_THREAD_NAME_STR_SIZE];
+
+ // Read the thread name
+ retval = target_read_buffer( rtos->target, rtos->thread_details[tasks_found].threadid + param->thread_name_offset, FREERTOS_THREAD_NAME_STR_SIZE, (uint8_t *)&tmp_str);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading first thread item location in FreeRTOS thread list\r\n");
+ return retval;
+ }
+ tmp_str[FREERTOS_THREAD_NAME_STR_SIZE-1] = '\x00';
+
+ if ( tmp_str[0] == '\x00' )
+ {
+ strcpy(tmp_str,"No Name");
+ }
+
+ rtos->thread_details[tasks_found].thread_name_str = (char*)malloc( strlen(tmp_str)+1 );
+ strcpy( rtos->thread_details[tasks_found].thread_name_str, tmp_str );
+ rtos->thread_details[tasks_found].display_str = NULL;
+ rtos->thread_details[tasks_found].exists = true;
+
+ if ( rtos->thread_details[tasks_found].threadid == rtos->current_thread )
+ {
+ char running_str[] = "Running";
+ rtos->thread_details[tasks_found].extra_info_str = (char*) malloc( sizeof(running_str) );
+ strcpy( rtos->thread_details[tasks_found].extra_info_str, running_str );
+ }
+ else
+ {
+ rtos->thread_details[tasks_found].extra_info_str = NULL;
+ }
+
+
+ tasks_found++;
+ list_thread_count--;
+
+ prev_list_elem_ptr = list_elem_ptr;
+ list_elem_ptr = 0;
+ retval = target_read_buffer( rtos->target, prev_list_elem_ptr + param->list_elem_next_offset, param->pointer_width, (uint8_t *)&list_elem_ptr);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading next thread item location in FreeRTOS thread list\r\n");
+ return retval;
+ }
+ }
+
+
+ }
+ free( list_of_lists );
+ rtos->thread_count = tasks_found;
+ return 0;
+}
+
+static int FreeRTOS_get_thread_reg_list(struct rtos *rtos, long long thread_id, char ** hex_reg_list )
+{
+ int retval;
+ const struct FreeRTOS_params* param;
+ long long stack_ptr = 0;
+
+
+ *hex_reg_list = NULL;
+ if ( rtos == NULL )
+ {
+ return -1;
+ }
+
+ if ( thread_id == 0 )
+ {
+ return -2;
+ }
+
+ if (rtos->rtos_specific_params == NULL )
+ {
+ return -1;
+ }
+
+ param = (const struct FreeRTOS_params*) rtos->rtos_specific_params;
+
+ // Read the stack pointer
+ retval = target_read_buffer( rtos->target, thread_id + param->thread_stack_offset, param->pointer_width, (uint8_t*)&stack_ptr);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading stack frame from FreeRTOS thread\r\n");
+ return retval;
+ }
+
+ return rtos_generic_stack_read( rtos->target, param->stacking_info, stack_ptr, hex_reg_list );
+
+}
+
+static int FreeRTOS_get_symbol_list_to_lookup(symbol_table_elem_t * symbol_list[])
+{
+ unsigned int i;
+ *symbol_list = (symbol_table_elem_t *) malloc( sizeof( symbol_table_elem_t ) * FREERTOS_NUM_SYMBOLS );
+
+ for( i = 0; i < FREERTOS_NUM_SYMBOLS; i++ )
+ {
+ (*symbol_list)[i].symbol_name = FreeRTOS_symbol_list[i];
+ }
+
+ return 0;
+}
+
+#if 0
+
+static int FreeRTOS_set_current_thread(struct rtos *rtos, threadid_t thread_id)
+{
+ return 0;
+}
+
+
+
+static int FreeRTOS_get_thread_ascii_info( struct rtos* rtos, threadid_t thread_id, char ** info )
+{
+ int retval;
+ const struct FreeRTOS_params* param;
+
+ if ( rtos == NULL )
+ {
+ return -1;
+ }
+
+ if ( thread_id == 0 )
+ {
+ return -2;
+ }
+
+ if (rtos->rtos_specific_params == NULL )
+ {
+ return -3;
+ }
+
+ param = (const struct FreeRTOS_params*) rtos->rtos_specific_params;
+
+#define FREERTOS_THREAD_NAME_STR_SIZE (200)
+ char tmp_str[FREERTOS_THREAD_NAME_STR_SIZE];
+
+ // Read the thread name
+ retval = target_read_buffer( rtos->target, thread_id + param->thread_name_offset, FREERTOS_THREAD_NAME_STR_SIZE, (uint8_t *)&tmp_str);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading first thread item location in FreeRTOS thread list\r\n");
+ return retval;
+ }
+ tmp_str[FREERTOS_THREAD_NAME_STR_SIZE-1] = '\x00';
+
+ if ( tmp_str[0] == '\x00' )
+ {
+ strcpy(tmp_str,"No Name");
+ }
+
+ *info = (char*)malloc( strlen(tmp_str)+1 );
+ strcpy( *info, tmp_str );
+ return 0;
+}
+
+#endif
+
+static int FreeRTOS_detect_rtos( struct target* target )
+{
+ if ( ( target->rtos->symbols != NULL ) &&
+ ( target->rtos->symbols[FreeRTOS_VAL_pxReadyTasksLists].address != 0 ) )
+ {
+ // looks like FreeRTOS
+ return 1;
+ }
+ return 0;
+ return 0;
+}
+
+
+static int FreeRTOS_create( struct target* target )
+{
+ int i = 0;
+ while ( ( i < FREERTOS_NUM_PARAMS ) && ( 0 != strcmp( FreeRTOS_params_list[i].target_name, target->type->name ) ) )
+ {
+ i++;
+ }
+ if ( i >= FREERTOS_NUM_PARAMS )
+ {
+ LOG_OUTPUT("Could not find target in FreeRTOS compatability list\r\n");
+ return -1;
+ }
+
+ target->rtos->rtos_specific_params = (void*) &FreeRTOS_params_list[i];
+ return 0;
+}
diff --git a/src/rtos/Makefile.am b/src/rtos/Makefile.am
new file mode 100644
index 0000000..12368d2
--- /dev/null
+++ b/src/rtos/Makefile.am
@@ -0,0 +1,35 @@
+# ***************************************************************************
+# * Copyright (C) 2011 by Broadcom Corporation *
+# * Evan Hunter - ehunter@broadcom.com *
+# * *
+# * This program is free software; you can redistribute it and/or modify *
+# * it under the terms of the GNU General Public License as published by *
+# * the Free Software Foundation; either version 2 of the License, or *
+# * (at your option) any later version. *
+# * *
+# * This program is distributed in the hope that it will be useful, *
+# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+# * GNU General Public License for more details. *
+# * *
+# * You should have received a copy of the GNU General Public License *
+# * along with this program; if not, write to the *
+# * Free Software Foundation, Inc., *
+# * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+# ***************************************************************************
+
+include $(top_srcdir)/common.mk
+
+METASOURCES = AUTO
+noinst_LTLIBRARIES = librtos.la
+noinst_HEADERS = rtos.h
+librtos_la_SOURCES = rtos.c rtos_standard_stackings.c FreeRTOS.c ThreadX.c
+
+
+librtos_la_CFLAGS =
+if IS_MINGW
+# FD_* macros are sloppy with their signs on MinGW32 platform
+librtos_la_CFLAGS += -Wno-sign-compare
+endif
+
+MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
diff --git a/src/rtos/ThreadX.c b/src/rtos/ThreadX.c
new file mode 100644
index 0000000..da84111
--- /dev/null
+++ b/src/rtos/ThreadX.c
@@ -0,0 +1,536 @@
+/***************************************************************************
+ * Copyright (C) 2011 by Broadcom Corporation *
+ * Evan Hunter - ehunter@broadcom.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <helper/time_support.h>
+#include <jtag/jtag.h>
+#include "target/target.h"
+#include "target/target_type.h"
+#include "rtos.h"
+#include "helper/log.h"
+#include "rtos_standard_stackings.h"
+
+
+static int ThreadX_detect_rtos( struct target* target );
+static int ThreadX_create( struct target* target );
+static int ThreadX_update_threads( struct rtos* rtos);
+static int ThreadX_get_thread_reg_list(struct rtos *rtos, long long thread_id, char ** hex_reg_list );
+static int ThreadX_get_symbol_list_to_lookup(symbol_table_elem_t * symbol_list[]);
+
+
+
+struct ThreadX_thread_state
+{
+ int value;
+ char * desc;
+};
+
+
+struct ThreadX_thread_state ThreadX_thread_states[] =
+{
+ { 0, "Ready" },
+ { 1, "Completed" },
+ { 2, "Terminated" },
+ { 3, "Suspended" },
+ { 4, "Sleeping" },
+ { 5, "Waiting - Queue" },
+ { 6, "Waiting - Semaphore" },
+ { 7, "Waiting - Event flag" },
+ { 8, "Waiting - Memory" },
+ { 9, "Waiting - Memory" },
+ { 10, "Waiting - I/O" },
+ { 11, "Waiting - Filesystem" },
+ { 12, "Waiting - Network" },
+ { 13, "Waiting - Mutex" },
+};
+
+
+#define THREADX_NUM_STATES (sizeof(ThreadX_thread_states)/sizeof(struct ThreadX_thread_state))
+
+
+struct ThreadX_params
+{
+ char * target_name;
+ unsigned char pointer_width;
+ unsigned char thread_stack_offset;
+ unsigned char thread_name_offset;
+ unsigned char thread_state_offset;
+ unsigned char thread_next_offset;
+ const struct rtos_register_stacking* stacking_info;
+};
+
+const struct ThreadX_params ThreadX_params_list[] =
+{
+ { "cortex_m3", // target_name
+ 4, // pointer_width;
+ 8, // thread_stack_offset;
+ 40, // thread_name_offset;
+ 48, // thread_state_offset;
+ 136, // thread_next_offset
+ &rtos_standard_Cortex_M3_stacking, // stacking_info
+ }
+
+};
+
+#define THREADX_NUM_PARAMS ((int)(sizeof(ThreadX_params_list)/sizeof(struct ThreadX_params)))
+
+enum ThreadX_symbol_values
+{
+ ThreadX_VAL_tx_thread_current_ptr = 0,
+ ThreadX_VAL_tx_thread_created_ptr = 1,
+ ThreadX_VAL_tx_thread_created_count = 2,
+};
+
+static char* ThreadX_symbol_list[] =
+{
+ "_tx_thread_current_ptr",
+ "_tx_thread_created_ptr",
+ "_tx_thread_created_count",
+ NULL
+};
+
+
+
+#define THREADX_NUM_SYMBOLS (sizeof(ThreadX_symbol_list)/sizeof(char*))
+
+
+const struct rtos_type ThreadX_rtos =
+{
+ .name = "ThreadX",
+
+ .detect_rtos = ThreadX_detect_rtos,
+ .create = ThreadX_create,
+ .update_threads = ThreadX_update_threads,
+ .get_thread_reg_list = ThreadX_get_thread_reg_list,
+ .get_symbol_list_to_lookup = ThreadX_get_symbol_list_to_lookup,
+
+};
+
+static int ThreadX_update_threads( struct rtos* rtos)
+{
+ int retval;
+ int tasks_found = 0;
+ int thread_list_size = 0;
+ const struct ThreadX_params* param;
+
+ if ( rtos == NULL )
+ {
+ return -1;
+ }
+
+ if (rtos->rtos_specific_params == NULL )
+ {
+ return -3;
+ }
+
+ param = (const struct ThreadX_params*) rtos->rtos_specific_params;
+
+ if ( rtos->symbols == NULL )
+ {
+ LOG_OUTPUT("No symbols for ThreadX\r\n");
+ return -4;
+ }
+
+ if ( rtos->symbols[ThreadX_VAL_tx_thread_created_count].address == 0 )
+ {
+ LOG_OUTPUT("Don't have the number of threads in ThreadX \r\n");
+ return -2;
+ }
+
+
+
+
+
+ // read the number of threads
+ retval = target_read_buffer( rtos->target, rtos->symbols[ThreadX_VAL_tx_thread_created_count].address, 4, (uint8_t *)&thread_list_size);
+
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Could not read ThreadX thread count from target\r\n");
+ return retval;
+ }
+
+
+ // wipe out previous thread details if any
+ if ( rtos->thread_details != NULL )
+ {
+ int j;
+ for( j = 0; j < rtos->thread_count; j++ )
+ {
+ if ( rtos->thread_details[j].display_str != NULL )
+ {
+ free( rtos->thread_details[j].display_str );
+ rtos->thread_details[j].display_str = NULL;
+ }
+ if ( rtos->thread_details[j].thread_name_str != NULL )
+ {
+ free( rtos->thread_details[j].thread_name_str );
+ rtos->thread_details[j].thread_name_str = NULL;
+ }
+ if ( rtos->thread_details[j].extra_info_str != NULL )
+ {
+ free( rtos->thread_details[j].extra_info_str );
+ rtos->thread_details[j].extra_info_str = NULL;
+ }
+ }
+ free( rtos->thread_details );
+ rtos->thread_details = NULL;
+ }
+
+
+ // read the current thread id
+ retval = target_read_buffer( rtos->target, rtos->symbols[ThreadX_VAL_tx_thread_current_ptr].address, 4, (uint8_t *)&rtos->current_thread);
+
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Could not read ThreadX current thread from target\r\n");
+ return retval;
+ }
+
+ if ( ( thread_list_size == 0 ) || ( rtos->current_thread == 0 ) )
+ {
+ // Either : No RTOS threads - there is always at least the current execution though
+ // OR : No current thread - all threads suspended - show the current execution of idling
+ char tmp_str[] = "Current Execution";
+ thread_list_size++;
+ tasks_found++;
+ rtos->thread_details = (struct thread_detail*) malloc( sizeof( struct thread_detail ) * thread_list_size );
+ rtos->thread_details->threadid = 1;
+ rtos->thread_details->exists = true;
+ rtos->thread_details->display_str = NULL;
+ rtos->thread_details->extra_info_str = NULL;
+ rtos->thread_details->thread_name_str = (char*) malloc( sizeof(tmp_str) );
+ strcpy( rtos->thread_details->thread_name_str, tmp_str );
+
+
+ if ( thread_list_size == 0 )
+ {
+ rtos->thread_count = 1;
+ return ERROR_OK;
+ }
+ }
+ else
+ {
+ // create space for new thread details
+ rtos->thread_details = (struct thread_detail*) malloc( sizeof( struct thread_detail ) * thread_list_size );
+ }
+
+
+
+ // Read the pointer to the first thread
+ long long thread_ptr = 0;
+ retval = target_read_buffer( rtos->target, rtos->symbols[ThreadX_VAL_tx_thread_created_ptr].address, param->pointer_width, (uint8_t *)&thread_ptr);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Could not read ThreadX thread location from target\r\n");
+ return retval;
+ }
+
+
+ // loop over all threads
+ long long prev_thread_ptr = 0;
+ while ( ( thread_ptr != prev_thread_ptr ) && ( tasks_found < thread_list_size ) )
+ {
+
+ #define THREADX_THREAD_NAME_STR_SIZE (200)
+ char tmp_str[THREADX_THREAD_NAME_STR_SIZE];
+ unsigned int i = 0;
+ long long name_ptr = 0;
+
+ // Save the thread pointer
+ rtos->thread_details[tasks_found].threadid = thread_ptr;
+
+
+ // read the name pointer
+ retval = target_read_buffer( rtos->target, thread_ptr + param->thread_name_offset, param->pointer_width, (uint8_t *)&name_ptr);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Could not read ThreadX thread name pointer from target\r\n");
+ return retval;
+ }
+
+ // Read the thread name
+ retval = target_read_buffer( rtos->target, name_ptr, THREADX_THREAD_NAME_STR_SIZE, (uint8_t *)&tmp_str);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading thread name from ThreadX target\r\n");
+ return retval;
+ }
+ tmp_str[THREADX_THREAD_NAME_STR_SIZE-1] = '\x00';
+
+ if ( tmp_str[0] == '\x00' )
+ {
+ strcpy(tmp_str,"No Name");
+ }
+
+
+ rtos->thread_details[tasks_found].thread_name_str = (char*)malloc( strlen(tmp_str)+1 );
+ strcpy( rtos->thread_details[tasks_found].thread_name_str, tmp_str );
+
+
+
+ // Read the thread status
+ long long thread_status = 0;
+ retval = target_read_buffer( rtos->target, thread_ptr + param->thread_state_offset, 4, (uint8_t *)&thread_status);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading thread state from ThreadX target\r\n");
+ return retval;
+ }
+
+ for( i = 0; (i < THREADX_NUM_STATES) && (ThreadX_thread_states[i].value!=thread_status); i++ )
+ {
+ }
+
+
+ char * state_desc;
+ if (i < THREADX_NUM_STATES)
+ {
+ state_desc = ThreadX_thread_states[i].desc;
+ }
+ else
+ {
+ state_desc = "Unknown state";
+ }
+
+ rtos->thread_details[tasks_found].extra_info_str = (char*)malloc( strlen(state_desc)+1 );
+ strcpy( rtos->thread_details[tasks_found].extra_info_str, state_desc );
+
+ rtos->thread_details[tasks_found].exists = true;
+
+ rtos->thread_details[tasks_found].display_str = NULL;
+
+
+
+
+
+ tasks_found++;
+ prev_thread_ptr = thread_ptr;
+
+ // Get the location of the next thread structure.
+ thread_ptr = 0;
+ retval = target_read_buffer( rtos->target, prev_thread_ptr + param->thread_next_offset, param->pointer_width, (uint8_t *) &thread_ptr );
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading next thread pointer in ThreadX thread list\r\n");
+ return retval;
+ }
+
+ }
+
+ rtos->thread_count = tasks_found;
+
+ return 0;
+}
+
+static int ThreadX_get_thread_reg_list(struct rtos *rtos, long long thread_id, char ** hex_reg_list )
+{
+
+ int retval;
+ const struct ThreadX_params* param;
+
+ *hex_reg_list = NULL;
+
+ if ( rtos == NULL )
+ {
+ return -1;
+ }
+
+ if ( thread_id == 0 )
+ {
+ return -2;
+ }
+
+ if (rtos->rtos_specific_params == NULL )
+ {
+ return -3;
+ }
+
+ param = (const struct ThreadX_params*) rtos->rtos_specific_params;
+
+ // Read the stack pointer
+ long long stack_ptr = 0;
+ retval = target_read_buffer( rtos->target, thread_id + param->thread_stack_offset, param->pointer_width, (uint8_t*)&stack_ptr);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading stack frame from ThreadX thread\r\n");
+ return retval;
+ }
+
+ return rtos_generic_stack_read( rtos->target, param->stacking_info, stack_ptr, hex_reg_list );
+}
+
+
+
+static int ThreadX_get_symbol_list_to_lookup(symbol_table_elem_t * symbol_list[])
+{
+ unsigned int i;
+ *symbol_list = (symbol_table_elem_t *) malloc( sizeof( symbol_table_elem_t ) * THREADX_NUM_SYMBOLS );
+
+ for( i = 0; i < THREADX_NUM_SYMBOLS; i++ )
+ {
+ (*symbol_list)[i].symbol_name = ThreadX_symbol_list[i];
+ }
+
+ return 0;
+}
+
+static int ThreadX_detect_rtos( struct target* target )
+{
+ if ( ( target->rtos->symbols != NULL ) &&
+ ( target->rtos->symbols[ThreadX_VAL_tx_thread_created_ptr].address != 0 ) )
+ {
+ // looks like ThreadX
+ return 1;
+ }
+ return 0;
+}
+
+
+
+#if 0
+
+static int ThreadX_set_current_thread(struct rtos *rtos, threadid_t thread_id)
+{
+ return 0;
+}
+
+
+
+static int ThreadX_get_thread_detail( struct rtos* rtos, threadid_t thread_id, struct thread_detail* detail )
+{
+ unsigned int i = 0;
+ int retval;
+
+#define THREADX_THREAD_NAME_STR_SIZE (200)
+ char tmp_str[THREADX_THREAD_NAME_STR_SIZE];
+
+ const struct ThreadX_params* param;
+
+ if ( rtos == NULL )
+ {
+ return -1;
+ }
+
+ if ( thread_id == 0 )
+ {
+ return -2;
+ }
+
+ if (rtos->rtos_specific_params == NULL )
+ {
+ return -3;
+ }
+
+ param = (const struct ThreadX_params*) rtos->rtos_specific_params;
+
+ if ( rtos->symbols == NULL )
+ {
+ LOG_OUTPUT("No symbols for ThreadX\r\n");
+ return -3;
+ }
+
+ detail->threadid = thread_id;
+
+ long long name_ptr = 0;
+ // read the name pointer
+ retval = target_read_buffer( rtos->target, thread_id + param->thread_name_offset, param->pointer_width, (uint8_t *)&name_ptr);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Could not read ThreadX thread name pointer from target\r\n");
+ return retval;
+ }
+
+ // Read the thread name
+ retval = target_read_buffer( rtos->target, name_ptr, THREADX_THREAD_NAME_STR_SIZE, (uint8_t *)&tmp_str);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading thread name from ThreadX target\r\n");
+ return retval;
+ }
+ tmp_str[THREADX_THREAD_NAME_STR_SIZE-1] = '\x00';
+
+ if ( tmp_str[0] == '\x00' )
+ {
+ strcpy(tmp_str,"No Name");
+ }
+
+ detail->thread_name_str = (char*)malloc( strlen(tmp_str)+1 );
+
+
+ // Read the thread status
+ long long thread_status = 0;
+ retval = target_read_buffer( rtos->target, thread_id + param->thread_state_offset, 4, (uint8_t *)&thread_status);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading thread state from ThreadX target\r\n");
+ return retval;
+ }
+
+ for( i = 0; (i < THREADX_NUM_STATES) && (ThreadX_thread_states[i].value!=thread_status); i++ )
+ {
+ }
+
+
+ char * state_desc;
+ if (i < THREADX_NUM_STATES)
+ {
+ state_desc = ThreadX_thread_states[i].desc;
+ }
+ else
+ {
+ state_desc = "Unknown state";
+ }
+
+ detail->extra_info_str = (char*)malloc( strlen(state_desc)+1 );
+
+ detail->exists = true;
+
+ detail->display_str = NULL;
+
+
+
+
+ return 0;
+}
+
+#endif
+
+static int ThreadX_create( struct target* target )
+{
+ int i = 0;
+ while ( ( i < THREADX_NUM_PARAMS ) && ( 0 != strcmp( ThreadX_params_list[i].target_name, target->type->name ) ) )
+ {
+ i++;
+ }
+ if ( i >= THREADX_NUM_PARAMS )
+ {
+ LOG_OUTPUT("Could not find target in ThreadX compatability list\r\n");
+ return -1;
+ }
+
+ target->rtos->rtos_specific_params = (void*) &ThreadX_params_list[i];
+ target->rtos->current_thread = 0;
+ target->rtos->thread_details = NULL;
+ return 0;
+}
diff --git a/src/rtos/rtos.c b/src/rtos/rtos.c
new file mode 100644
index 0000000..129770e
--- /dev/null
+++ b/src/rtos/rtos.c
@@ -0,0 +1,657 @@
+/***************************************************************************
+ * Copyright (C) 2011 by Broadcom Corporation *
+ * Evan Hunter - ehunter@broadcom.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+
+#include "rtos.h"
+#include "target/target.h"
+#include "helper/log.h"
+#include "server/gdb_server.h"
+
+
+static long long current_threadid = -1;
+
+static void hex_to_str( char* dst, char * hex_src );
+static int str_to_hex( char* hex_dst, char* src );
+
+
+/* RTOSs */
+extern struct rtos_type FreeRTOS_rtos;
+extern struct rtos_type ThreadX_rtos;
+
+static struct rtos_type *rtos_types[] =
+{
+ &ThreadX_rtos,
+ &FreeRTOS_rtos,
+ NULL
+};
+
+
+int rtos_create(Jim_GetOptInfo *goi, struct target * target)
+{
+ int x;
+ char *cp;
+
+ if (! goi->isconfigure) {
+ if (goi->argc != 0) {
+ if (goi->argc != 0) {
+ Jim_WrongNumArgs(goi->interp,
+ goi->argc, goi->argv,
+ "NO PARAMS");
+ return JIM_ERR;
+ }
+
+ Jim_SetResultString(goi->interp,
+ target_type_name(target), -1);
+ }
+ }
+
+ if (target->rtos) {
+ free((void *)(target->rtos));
+ }
+// e = Jim_GetOpt_String(goi, &cp, NULL);
+// target->rtos = strdup(cp);
+
+ Jim_GetOpt_String(goi, &cp, NULL);
+ /* now does target type exist */
+
+ if ( 0 == strcmp( cp, "auto") )
+ {
+ // auto detection of RTOS
+ target->rtos_auto_detect = true;
+ x = 0;
+ }
+ else
+ {
+
+ for (x = 0 ; rtos_types[x] ; x++) {
+ if (0 == strcmp(cp, rtos_types[x]->name)) {
+ /* found */
+ break;
+ }
+ }
+ if (rtos_types[x] == NULL) {
+ Jim_SetResultFormatted(goi->interp, "Unknown rtos type %s, try one of ", cp);
+ for (x = 0 ; rtos_types[x] ; x++) {
+ if (rtos_types[x + 1]) {
+ Jim_AppendStrings(goi->interp,
+ Jim_GetResult(goi->interp),
+ rtos_types[x]->name,
+ ", ", NULL);
+ } else {
+ Jim_AppendStrings(goi->interp,
+ Jim_GetResult(goi->interp),
+ " or ",
+ rtos_types[x]->name,NULL);
+ }
+ }
+ return JIM_ERR;
+ }
+ }
+ /* Create it */
+ target->rtos = calloc(1,sizeof(struct rtos));
+ target->rtos->type = rtos_types[x];
+ target->rtos->current_thread = 0;
+ target->rtos->symbols = NULL;
+ target->rtos->target = target;
+
+ if ( 0 != strcmp( cp, "auto") )
+ {
+ target->rtos->type->create( target );
+ }
+
+ return JIM_OK;
+}
+
+
+
+
+int gdb_thread_packet(struct connection *connection, struct target *target, char *packet, int packet_size)
+{
+ if (strstr(packet, "qP"))
+ {
+ #define TAG_THREADID 1 /* Echo the thread identifier */
+ #define TAG_EXISTS 2 /* Is this process defined enough to
+ fetch registers and its stack */
+ #define TAG_DISPLAY 4 /* A short thing maybe to put on a window */
+ #define TAG_THREADNAME 8 /* string, maps 1-to-1 with a thread is */
+ #define TAG_MOREDISPLAY 16 /* Whatever the kernel wants to say about */
+
+ // TODO: need to scanf the mode variable (or it with the tags), and the threadid
+
+ unsigned long mode;
+ threadid_t threadid = 0;
+ struct thread_detail* detail;
+ sscanf(packet, "qP%8lx%16" SCNx64, &mode, &threadid);
+
+
+ int found = -1;
+
+ if ((target->rtos != NULL) && (target->rtos->thread_details
+ != NULL)) {
+ int thread_num;
+ for (thread_num = 0; thread_num
+ < target->rtos->thread_count; thread_num++) {
+ if (target->rtos->thread_details[thread_num].threadid
+ == threadid) {
+ if (target->rtos->thread_details[thread_num].exists) {
+ found = thread_num;
+ }
+ }
+ }
+ }
+ if (found == -1) {
+ gdb_put_packet(connection, "E01", 3); // thread not found
+ return ERROR_OK;
+ }
+
+ detail = &target->rtos->thread_details[found];
+
+ if ( detail->display_str != NULL )
+ {
+ mode &= TAG_DISPLAY;
+ }
+ if ( detail->thread_name_str != NULL )
+ {
+ mode &= TAG_THREADNAME;
+ }
+ if ( detail->extra_info_str != NULL )
+ {
+ mode &= TAG_MOREDISPLAY;
+ }
+
+
+ mode &= TAG_THREADID | TAG_EXISTS;
+
+ char thread_str[1000];
+
+ sprintf(thread_str, "%08lx", mode);
+ sprintf(thread_str, "%016" PRIx64, threadid);
+
+
+ if (mode & TAG_THREADID) {
+ sprintf(thread_str, "%08" PRIx32 "10%016" PRIx64, TAG_THREADID, threadid);
+ }
+ if (mode & TAG_EXISTS) {
+ sprintf(thread_str, "%08" PRIx32 "08%08" PRIx32, TAG_EXISTS, (detail->exists==true)?1:0);
+ }
+ if (mode & TAG_DISPLAY) {
+ sprintf(thread_str, "%08" PRIx32 "%02x%s", TAG_DISPLAY, (unsigned char)strlen(detail->display_str), detail->display_str );
+ }
+ if (mode & TAG_MOREDISPLAY) {
+ sprintf(thread_str, "%08" PRIx32 "%02x%s", TAG_MOREDISPLAY, (unsigned char)strlen(detail->extra_info_str), detail->extra_info_str );
+ }
+ if (mode & TAG_THREADNAME) {
+ sprintf(thread_str, "%08" PRIx32 "%02x%s", TAG_THREADNAME, (unsigned char)strlen(detail->thread_name_str), detail->thread_name_str );
+ }
+
+ //gdb_put_packet(connection, tmpstr, sizeof(tmpstr)-1);
+ gdb_put_packet(connection, thread_str, strlen(thread_str));
+
+ // gdb_put_packet(connection, "", 0);
+ // gdb_put_packet(connection, "OK", 2); // all threads alive
+ return ERROR_OK;
+ }
+ else if (strstr(packet, "qThreadExtraInfo,"))
+ {
+ if ((target->rtos != NULL) && (target->rtos->thread_details != NULL) && (target->rtos->thread_count != 0))
+ {
+ threadid_t threadid = 0;
+ int found = -1;
+ sscanf(packet, "qThreadExtraInfo,%" SCNx64, &threadid );
+
+ if ((target->rtos != NULL) && (target->rtos->thread_details
+ != NULL)) {
+ int thread_num;
+ for (thread_num = 0; thread_num
+ < target->rtos->thread_count; thread_num++) {
+ if (target->rtos->thread_details[thread_num].threadid
+ == threadid) {
+ if (target->rtos->thread_details[thread_num].exists) {
+ found = thread_num;
+ }
+ }
+ }
+ }
+ if (found == -1) {
+ gdb_put_packet(connection, "E01", 3); // thread not found
+ return ERROR_OK;
+ }
+
+ struct thread_detail* detail = &target->rtos->thread_details[found];
+
+ int str_size = 0;
+ if ( detail->display_str != NULL )
+ {
+ str_size += strlen(detail->display_str);
+ }
+ if ( detail->thread_name_str != NULL )
+ {
+ str_size += strlen(detail->thread_name_str);
+ }
+ if ( detail->extra_info_str != NULL )
+ {
+ str_size += strlen(detail->extra_info_str);
+ }
+
+ char * tmp_str = (char*) malloc( str_size + 7 );
+ char* tmp_str_ptr = tmp_str;
+
+ if ( detail->display_str != NULL )
+ {
+ tmp_str_ptr += sprintf( tmp_str_ptr, "%s", detail->display_str );
+ }
+ if ( detail->thread_name_str != NULL )
+ {
+ if ( tmp_str_ptr != tmp_str )
+ {
+ tmp_str_ptr += sprintf( tmp_str_ptr, " : " );
+ }
+ tmp_str_ptr += sprintf( tmp_str_ptr, "%s", detail->thread_name_str );
+ }
+ if ( detail->extra_info_str != NULL )
+ {
+ if ( tmp_str_ptr != tmp_str )
+ {
+ tmp_str_ptr += sprintf( tmp_str_ptr, " : " );
+ }
+ tmp_str_ptr += sprintf( tmp_str_ptr, " : %s", detail->extra_info_str );
+ }
+
+ char * hex_str = (char*) malloc( strlen(tmp_str)*2 +1 );
+ str_to_hex( hex_str, tmp_str );
+
+ gdb_put_packet(connection, hex_str, strlen(hex_str));
+ free(hex_str);
+ free(tmp_str);
+ return ERROR_OK;
+
+ }
+ gdb_put_packet(connection, "", 0);
+ return ERROR_OK;
+ }
+ else if (strstr(packet, "qSymbol"))
+ {
+ if ( target->rtos != NULL )
+ {
+ int next_symbol_num = -1;
+ if (target->rtos->symbols == NULL)
+ {
+ target->rtos->type->get_symbol_list_to_lookup( &target->rtos->symbols );
+ }
+ if (0 == strcmp( "qSymbol::", packet ) )
+ {
+ // first query -
+ next_symbol_num = 0;
+ }
+ else
+ {
+ long long value = 0;
+ char * hex_name_str = malloc( strlen(packet));
+ char * name_str;
+ int symbol_num;
+
+ char* found = strstr( packet, "qSymbol::" );
+ int numconv;
+ if (0 == found )
+ {
+ numconv =sscanf(packet, "qSymbol:%" SCNx64 ":%s", &value, hex_name_str);
+ }
+ else
+ {
+ // No value returned by GDB - symbol was not found
+ numconv =sscanf(packet, "qSymbol::%s", hex_name_str);
+ }
+ name_str = (char*) malloc( 1+ strlen(hex_name_str) / 2 );
+
+ hex_to_str( name_str, hex_name_str );
+
+
+ symbol_num = 0;
+ while ( ( target->rtos->symbols[ symbol_num ].symbol_name != NULL ) && ( 0 != strcmp( target->rtos->symbols[ symbol_num ].symbol_name, name_str ) ) )
+ {
+ symbol_num++;
+ }
+
+
+ if ( target->rtos->symbols[ symbol_num ].symbol_name == NULL )
+ {
+ LOG_OUTPUT("ERROR: unknown symbol\r\n");
+ gdb_put_packet(connection, "OK", 2);
+ return ERROR_OK;
+ }
+
+ target->rtos->symbols[ symbol_num ].address = value;
+
+ next_symbol_num = symbol_num+1;
+ free( hex_name_str );
+ free( name_str );
+
+ }
+
+ int symbols_done = 0;
+ if ( target->rtos->symbols[ next_symbol_num ].symbol_name == NULL )
+ {
+ if ( ( target->rtos_auto_detect == false ) ||
+ ( 1 == target->rtos->type->detect_rtos( target ) ) )
+ {
+ // Found correct RTOS or not autodetecting
+ if ( target->rtos_auto_detect == true )
+ {
+ LOG_OUTPUT( "Auto-detected RTOS: %s\r\n",target->rtos->type->name );
+ }
+ symbols_done = 1;
+ }
+ else
+ {
+ // Auto detecting RTOS and currently not found
+ if( 1 != rtos_try_next( target ) )
+ {
+ // No more RTOS's to try
+ symbols_done = 1;
+ }
+ else
+ {
+ next_symbol_num = 0;
+ target->rtos->type->get_symbol_list_to_lookup( &target->rtos->symbols );
+ }
+
+ }
+ }
+
+
+ if ( symbols_done == 1 )
+ {
+ target->rtos_auto_detect = false;
+ target->rtos->type->create( target );
+ target->rtos->type->update_threads(target->rtos);
+ // No more symbols needed
+ gdb_put_packet(connection, "OK", 2);
+ return ERROR_OK;
+
+ }
+ else
+ {
+ char* symname = target->rtos->symbols[ next_symbol_num ].symbol_name;
+ char qsymstr[] = "qSymbol:";
+ char * opstring = (char*)malloc(sizeof(qsymstr)+strlen(symname)*2+1);
+ char * posptr = opstring;
+ posptr += sprintf( posptr, "%s", qsymstr );
+ str_to_hex( posptr, symname );
+ gdb_put_packet(connection, opstring, strlen(opstring));
+ free(opstring);
+ return ERROR_OK;
+ }
+
+ }
+ gdb_put_packet(connection, "OK", 2);
+ return ERROR_OK;
+ }
+ else if (strstr(packet, "qfThreadInfo"))
+ {
+ int i;
+ if ( ( target->rtos != NULL ) && ( target->rtos->thread_count != 0 ) )
+ {
+
+ char* out_str = (char*) malloc(17 * target->rtos->thread_count + 5);
+ char* tmp_str = out_str;
+ tmp_str += sprintf(tmp_str, "m");
+ for (i = 0; i < target->rtos->thread_count; i++) {
+ if (i != 0) {
+ tmp_str += sprintf(tmp_str, ",");
+ }
+ tmp_str += sprintf(tmp_str, "%016" PRIx64,
+ target->rtos->thread_details[i].threadid);
+ }
+ tmp_str[0] = 0;
+ gdb_put_packet(connection, out_str, strlen(out_str));
+ }
+ else
+ {
+ gdb_put_packet(connection, "", 0);
+ }
+
+ return ERROR_OK;
+ }
+ else if (strstr(packet, "qsThreadInfo"))
+ {
+ gdb_put_packet(connection, "l", 1);
+ return ERROR_OK;
+ }
+ else if (strstr(packet, "qAttached"))
+ {
+ gdb_put_packet(connection, "1", 1);
+ return ERROR_OK;
+ }
+ else if (strstr(packet, "qOffsets"))
+ {
+ char offsets[] = "Text=0;Data=0;Bss=0";
+ gdb_put_packet(connection, offsets, sizeof(offsets)-1);
+ return ERROR_OK;
+ }
+ else if (strstr(packet, "qC"))
+ {
+ gdb_put_packet(connection, "QC0", 3);
+ return ERROR_OK;
+ }
+ else if ( packet[0] == 'T' ) // Is thread alive?
+ {
+ threadid_t threadid;
+ int found = -1;
+ sscanf(packet, "T%" SCNx64, &threadid);
+ if ((target->rtos != NULL) && (target->rtos->thread_details
+ != NULL)) {
+ int thread_num;
+ for (thread_num = 0; thread_num
+ < target->rtos->thread_count; thread_num++) {
+ if (target->rtos->thread_details[thread_num].threadid
+ == threadid) {
+ if (target->rtos->thread_details[thread_num].exists) {
+ found = thread_num;
+ }
+ }
+ }
+ }
+ if (found != -1) {
+ gdb_put_packet(connection, "OK", 2); // thread alive
+ } else {
+ gdb_put_packet(connection, "E01", 3); // thread not found
+ }
+ }
+ else if ( packet[0] == 'H') // Set current thread ( 'c' for step and continue, 'g' for all other operations )
+ {
+ if (packet[1] == 'g')
+ {
+ sscanf(packet, "Hg%16" SCNx64, &current_threadid);
+ }
+ gdb_put_packet(connection, "OK", 2);
+ }
+
+ return GDB_THREAD_PACKET_NOT_CONSUMED;
+}
+
+int rtos_get_gdb_reg_list(struct connection *connection, struct target *target, struct reg **reg_list[], int *reg_list_size)
+{
+ if ( ( target->rtos != NULL ) &&
+ ( current_threadid != 1 ) &&
+ ( current_threadid != 0 ) &&
+ ( current_threadid != target->rtos->current_thread ) )
+ {
+ char * hex_reg_list;
+ target->rtos->type->get_thread_reg_list( target->rtos, current_threadid, &hex_reg_list );
+
+ if ( hex_reg_list != NULL )
+ {
+ gdb_put_packet(connection, hex_reg_list, strlen(hex_reg_list));
+ free(hex_reg_list);
+ return ERROR_OK;
+ }
+ }
+ return ERROR_FAIL;
+}
+
+
+
+int rtos_generic_stack_read( struct target * target, const struct rtos_register_stacking* stacking, long long stack_ptr, char ** hex_reg_list )
+{
+ int list_size = 0;
+ char * tmp_str_ptr;
+ long long new_stack_ptr;
+ int i;
+ int retval;
+
+ if ( stack_ptr == 0)
+ {
+ LOG_OUTPUT("Error: null stack pointer in thread\r\n");
+ return -5;
+ }
+ // Read the stack
+ uint8_t * stack_data = (uint8_t*) malloc( stacking->stack_registers_size );
+ uint32_t address = stack_ptr;
+
+ if ( stacking->stack_growth_direction == 1 )
+ {
+ address -= stacking->stack_registers_size;
+ }
+ retval = target_read_buffer( target, stack_ptr, stacking->stack_registers_size, stack_data);
+ if ( retval != ERROR_OK )
+ {
+ LOG_OUTPUT("Error reading stack frame from FreeRTOS thread\r\n");
+ return retval;
+ }
+/*
+ LOG_OUTPUT("Stack Data :");
+ for(i = 0; i < stacking->stack_registers_size; i++ )
+ {
+ LOG_OUTPUT("%02X",stack_data[i]);
+ }
+ LOG_OUTPUT("\r\n");
+*/
+ for( i = 0; i < stacking->num_output_registers; i++ )
+ {
+ list_size += stacking->register_offsets[i].width_bits/8;
+ }
+ *hex_reg_list = (char*)malloc( list_size*2 +1 );
+ tmp_str_ptr = *hex_reg_list;
+ new_stack_ptr = stack_ptr + stacking->stack_growth_direction * stacking->stack_registers_size;
+ for( i = 0; i < stacking->num_output_registers; i++ )
+ {
+ int j;
+ for ( j = 0; j < stacking->register_offsets[i].width_bits/8; j++ )
+ {
+ if ( stacking->register_offsets[i].offset == -1 )
+ {
+ tmp_str_ptr += sprintf( tmp_str_ptr, "%02x", 0 );
+ }
+ else if ( stacking->register_offsets[i].offset == -2 )
+ {
+ tmp_str_ptr += sprintf( tmp_str_ptr, "%02x", ((uint8_t*)&new_stack_ptr)[j] );
+ }
+ else
+ {
+ tmp_str_ptr += sprintf( tmp_str_ptr,"%02x", stack_data[ stacking->register_offsets[i].offset + j ] );
+ }
+ }
+ }
+// LOG_OUTPUT("Output register string: %s\r\n", *hex_reg_list);
+ return ERROR_OK;
+}
+
+int rtos_try_next( struct target * target )
+{
+ int x;
+
+ if ( target->rtos == NULL )
+ {
+ return -1;
+ }
+
+ for (x = 0 ; rtos_types[x] ; x++) {
+ if (target->rtos->type == rtos_types[x] ) {
+ /* found */
+ if ( rtos_types[x+1] != NULL )
+ {
+ target->rtos->type = rtos_types[x+1];
+ if ( target->rtos->symbols != NULL )
+ {
+ free( target->rtos->symbols );
+ }
+ return 1;
+ }
+ else
+ {
+ // No more rtos types
+ return 0;
+ }
+
+ }
+ }
+ return 0;
+
+}
+
+static void hex_to_str( char* dst, char * hex_src )
+{
+ int src_pos = 0;
+ int dst_pos = 0;
+
+ while ( hex_src[src_pos] != '\x00' )
+ {
+ char hex_char = hex_src[src_pos];
+ char hex_digit_val = (hex_char>='a')?hex_char-'a'+10:(hex_char>='A')?hex_char-'A'+10:hex_char-'0';
+ if ( 0 == (src_pos & 0x01) )
+ {
+ dst[dst_pos] = hex_digit_val;
+ dst[dst_pos+1] = 0;
+ }
+ else
+ {
+ ((unsigned char*)dst)[dst_pos] <<= 4;
+ ((unsigned char*)dst)[dst_pos] += hex_digit_val;
+ dst_pos++;
+ }
+ src_pos++;
+ }
+
+}
+
+static int str_to_hex( char* hex_dst, char* src )
+{
+ char * posptr = hex_dst;
+ unsigned i;
+ for( i = 0; i < strlen(src); i++)
+ {
+ posptr += sprintf( posptr, "%02x", (unsigned char)src[i] );
+ }
+ return (posptr-hex_dst);
+}
+
+
+int rtos_update_threads( struct target* target )
+{
+ if ((target->rtos != NULL) && (target->rtos->type != NULL))
+ {
+ target->rtos->type->update_threads(target->rtos);
+ }
+ return ERROR_OK;
+}
diff --git a/src/rtos/rtos.h b/src/rtos/rtos.h
new file mode 100644
index 0000000..cd4bbb2
--- /dev/null
+++ b/src/rtos/rtos.h
@@ -0,0 +1,106 @@
+/***************************************************************************
+ * Copyright (C) 2011 by Broadcom Corporation *
+ * Evan Hunter - ehunter@broadcom.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifndef RTOS_H
+#define RTOS_H
+
+
+#include "server/server.h"
+#include <helper/types.h>
+#include <jim-nvp.h>
+
+typedef long long threadid_t;
+typedef long long symbol_address_t;
+
+struct reg;
+
+/**
+ * Table should be terminated by an element with NULL in symbol_name
+ */
+typedef struct symbol_table_elem_struct
+{
+ char * symbol_name;
+ symbol_address_t address;
+
+} symbol_table_elem_t;
+
+struct thread_detail
+{
+ threadid_t threadid;
+ bool exists;
+ char * display_str;
+ char * thread_name_str;
+ char * extra_info_str;
+};
+
+struct rtos
+{
+ const struct rtos_type *type;
+
+
+ symbol_table_elem_t * symbols;
+ struct target *target;
+
+ threadid_t current_thread;
+ struct thread_detail* thread_details;
+ int thread_count;
+
+ void * rtos_specific_params;
+
+};
+
+
+
+struct rtos_type
+{
+ char * name;
+ int (*detect_rtos) ( struct target* target );
+ int (*create) ( struct target* target );
+ int (*update_threads) ( struct rtos* rtos );
+ int (*get_thread_reg_list) ( struct rtos *rtos, long long thread_id, char ** hex_reg_list );
+ int (*get_symbol_list_to_lookup) (symbol_table_elem_t * symbol_list[] );
+};
+
+
+struct stack_register_offset
+{
+ signed short offset; // offset in bytes from stack head, or -1 to indicate register is not stacked, or -2 to indicate this is the stack pointer register
+ unsigned short width_bits;
+
+};
+
+struct rtos_register_stacking
+{
+ unsigned char stack_registers_size;
+ signed char stack_growth_direction;
+ unsigned char num_output_registers;
+ const struct stack_register_offset* register_offsets;
+};
+
+#define GDB_THREAD_PACKET_NOT_CONSUMED (-40)
+
+int rtos_create(Jim_GetOptInfo *goi, struct target * target);
+int rtos_generic_stack_read( struct target * target, const struct rtos_register_stacking* stacking, long long stack_ptr, char ** hex_reg_list );
+int rtos_try_next( struct target * target );
+int gdb_thread_packet(struct connection *connection, struct target *target, char *packet, int packet_size);
+int rtos_get_gdb_reg_list(struct connection *connection, struct target *target, struct reg **reg_list[], int *reg_list_size);
+int rtos_update_threads( struct target *target );
+
+#endif // RTOS_H
diff --git a/src/rtos/rtos_standard_stackings.c b/src/rtos/rtos_standard_stackings.c
new file mode 100644
index 0000000..e0ae065
--- /dev/null
+++ b/src/rtos/rtos_standard_stackings.c
@@ -0,0 +1,65 @@
+/***************************************************************************
+ * Copyright (C) 2011 by Broadcom Corporation *
+ * Evan Hunter - ehunter@broadcom.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "rtos.h"
+
+static const struct stack_register_offset rtos_standard_Cortex_M3_stack_offsets [] =
+{ { 0x20, 32 }, // r0
+ { 0x24, 32 }, // r1
+ { 0x28, 32 }, // r2
+ { 0x2c, 32 }, // r3
+ { 0x00, 32 }, // r4
+ { 0x04, 32 }, // r5
+ { 0x08, 32 }, // r6
+ { 0x0c, 32 }, // r7
+ { 0x10, 32 }, // r8
+ { 0x14, 32 }, // r9
+ { 0x18, 32 }, // r10
+ { 0x1c, 32 }, // r11
+ { 0x30, 32 }, // r12
+ { -2, 32 }, // sp
+ { 0x34, 32 }, // lr
+ { 0x38, 32 }, // pc
+ { -1, 96 }, // FPA1
+ { -1, 96 }, // FPA2
+ { -1, 96 }, // FPA3
+ { -1, 96 }, // FPA4
+ { -1, 96 }, // FPA5
+ { -1, 96 }, // FPA6
+ { -1, 96 }, // FPA7
+ { -1, 96 }, // FPA8
+ { -1, 32 }, // FPS
+ { 0x3c, 32 }, // xPSR
+};
+
+
+const struct rtos_register_stacking rtos_standard_Cortex_M3_stacking =
+{
+ 0x40, // stack_registers_size
+ 1, // stack_growth_direction
+ 26, // num_output_registers
+ rtos_standard_Cortex_M3_stack_offsets // register_offsets
+};
+
+
diff --git a/src/rtos/rtos_standard_stackings.h b/src/rtos/rtos_standard_stackings.h
new file mode 100644
index 0000000..1e8568c
--- /dev/null
+++ b/src/rtos/rtos_standard_stackings.h
@@ -0,0 +1,32 @@
+/***************************************************************************
+ * Copyright (C) 2011 by Broadcom Corporation *
+ * Evan Hunter - ehunter@broadcom.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#ifndef INCLUDED_RTOS_STANDARD_STACKINGS_H_
+#define INCLUDED_RTOS_STANDARD_STACKINGS_H_
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "rtos.h"
+
+extern const struct rtos_register_stacking rtos_standard_Cortex_M3_stacking;
+
+#endif //ifndef INCLUDED_RTOS_STANDARD_STACKINGS_H_