void pok_partition_reinit (const uint8_t pid)
{
uint32_t tmp;
/*
* FIXME: reset queueing/sampling ports too
*/
pok_partition_setup_scheduler (pid);
pok_partitions[pid].thread_index = 0;
pok_partitions[pid].current_thread = pok_partitions[pid].thread_index_low;
pok_partitions[pid].prev_thread = IDLE_THREAD; // breaks the rule of prev_thread not being idle, but it's just for init
#ifdef POK_NEEDS_ERROR_HANDLING
pok_partitions[pid].thread_error = 0;
pok_partitions[pid].error_status.failed_thread = 0;
pok_partitions[pid].error_status.failed_addr = 0;
pok_partitions[pid].error_status.error_kind = POK_ERROR_KIND_INVALID;
pok_partitions[pid].error_status.msg_size = 0;
#endif
pok_loader_load_partition (pid, pok_partitions[pid].base_addr - pok_partitions[pid].base_vaddr, &tmp);
pok_partitions[pid].thread_main_entry = tmp;
pok_partition_setup_main_thread (pid);
}
/**
* \brief Initialize all partitions.
*
* It initializes everything, load the program, set thread
* and lockobjects bounds.
*/
pok_ret_t pok_partition_init ()
{
uint8_t i;
uint32_t threads_index = 0;
const uint32_t partition_size[POK_CONFIG_NB_PARTITIONS] = POK_CONFIG_PARTITIONS_SIZE;
#if defined (POK_CONFIG_PARTITIONS_LOADADDR) && defined (POK_SKIP_LOADER)
const uint32_t program_loadaddr[POK_CONFIG_NB_PARTITIONS] = POK_CONFIG_PARTITIONS_LOADADDR;
#endif
#ifdef POK_NEEDS_LOCKOBJECTS
uint8_t lockobj_index = 0;
#endif
for (i = 0 ; i < POK_CONFIG_NB_PARTITIONS ; i++)
{
uint32_t size = partition_size[i];
uint32_t base_addr = (uint32_t)pok_bsp_mem_alloc(partition_size[i]);
uint32_t program_entry;
uint32_t base_vaddr = pok_space_base_vaddr(base_addr);
#if defined (POK_CONFIG_PARTITIONS_LOADADDR) && defined (POK_SKIP_LOADER)
// One may want to check that consistent addresses were specified
printf ("Partition base addr phys=|%x| (user-defined |%x|)",base_addr, program_loadaddr[i]);
#endif
pok_partitions[i].base_addr = base_addr;
pok_partitions[i].size = size;
pok_partitions[i].sched = POK_SCHED_RR;
pok_partitions[i].partition_id = i;
//#ifdef POK_NEEDS_DEBUG
//#include <libc.h>
printf ("[XCOV] Partition %d loaded at addr virt=|%x|, phys=|%x|\n", i, base_vaddr, base_addr);
//#endif
pok_partition_setup_scheduler (i);
pok_create_space (i, base_addr, size);
pok_partitions[i].base_vaddr = base_vaddr;
/* Set the memory space and so on */
pok_partitions[i].thread_index_low = threads_index;
pok_partitions[i].nthreads = ((uint32_t[]) POK_CONFIG_PARTITIONS_NTHREADS) [i];
#ifdef POK_NEEDS_ERROR_HANDLING
if (pok_partitions[i].nthreads <= 1)
{
pok_partition_error (i, POK_ERROR_KIND_PARTITION_CONFIGURATION);
}
#endif
#ifdef POK_CONFIG_PARTITIONS_SCHEDULER
pok_partitions[i].sched = ((pok_sched_t[]) POK_CONFIG_PARTITIONS_SCHEDULER) [i];
#endif
pok_partitions[i].thread_index_high = pok_partitions[i].thread_index_low + ((uint32_t[]) POK_CONFIG_PARTITIONS_NTHREADS) [i];
pok_partitions[i].activation = 0;
#ifdef POK_CONFIG_PARTITIONS_PERIOD
pok_partitions[i].period = ((uint32_t[]) POK_CONFIG_PARTITIONS_PERIOD[i]);
#else
pok_partitions[i].period = POK_CONFIG_SCHEDULING_MAJOR_FRAME;
#endif
pok_partitions[i].thread_index = 0;
pok_partitions[i].thread_main = 0;
pok_partitions[i].current_thread = IDLE_THREAD;
pok_partitions[i].prev_current_thread = IDLE_THREAD;
threads_index = threads_index + pok_partitions[i].nthreads;
/* Initialize the threading stuff */
pok_partitions[i].mode = POK_PARTITION_MODE_INIT_WARM;
#ifdef POK_NEEDS_LOCKOBJECTS
pok_partitions[i].lockobj_index_low = lockobj_index;
pok_partitions[i].lockobj_index_high = lockobj_index + ((uint8_t[]) POK_CONFIG_PARTITIONS_NLOCKOBJECTS[i]);
pok_partitions[i].nlockobjs = ((uint8_t[]) POK_CONFIG_PARTITIONS_NLOCKOBJECTS[i]);
lockobj_index = lockobj_index + pok_partitions[i].nlockobjs;
#endif
#ifdef POK_NEEDS_ERROR_HANDLING
pok_partitions[i].thread_error = 0;
pok_partitions[i].error_status.failed_thread = 0;
pok_partitions[i].error_status.failed_addr = 0;
pok_partitions[i].error_status.error_kind = POK_ERROR_KIND_INVALID;
pok_partitions[i].error_status.msg_size = 0;
#endif
#ifdef POK_NEEDS_DEBUG
printf("loading partition\n");
#endif
/** This invokation worked just because the base_vaddr was always 0 */
//pok_loader_load_partition (i, base_addr - base_vaddr, &program_entry);
pok_loader_load_partition (i, base_addr, &program_entry);
#ifdef POK_NEEDS_DEBUG
printf("\t end loading partition\n");
#endif
/*
* Load the partition in its address space
*/
pok_partitions[i].thread_main_entry = program_entry;
#ifdef POK_NEEDS_SCHED_O1_SPLIT
/* initialize the successors bitmask with all zeros; we set to 1 the bits
* corresponding to successor threads when the partition changes its mode to NORMAL.
*/
pok_partitions[i].successors = 0;
/* initialize the executed_predecessors with all 1s; this because a thread that is
* not a successor has its bit set to 1 in this bitmask (i.e. it can always execute).
* We set to 0 the bits corresponding to successor threads when the partition change
* its mode to NORMAL.
*/
pok_partitions[i].executed_predecessors = 1;
/* initialize head and tail indexes of sporadic threads FIFO queue */
pok_partitions[i].head_index = 0;
pok_partitions[i].tail_index = -1;
/* initialize the FIFO queue; the queue is initialized with all bitmasks corresponding
* to the idle thread
*/
int sporadic_index = 0;
for (;sporadic_index<POK_CONFIG_NB_SPORADIC_THREADS;sporadic_index++)
{
pok_partitions[i].sporadic_ready_queue[sporadic_index] = 1 << (IDLE_THREAD - pok_partitions[i].thread_index_low);
}
#endif /* end ifdef POK_NEEDS_SCHED_O1_SPLIT */
} // end for
for (i = 0 ; i < POK_CONFIG_NB_PARTITIONS ; i++)
{
pok_partition_setup_main_thread (i);
}
return POK_ERRNO_OK;
}
/**
* \brief Initialize all partitions.
*
* It initializes everything, load the program, set thread
* and lockobjects bounds.
*/
pok_ret_t pok_partition_init ()
{
uint8_t i;
uint32_t threads_index = 0;
const uint32_t partition_size[POK_CONFIG_NB_PARTITIONS] = POK_CONFIG_PARTITIONS_SIZE;
#ifdef POK_CONFIG_PARTITIONS_LOADADDR
const uint32_t program_loadaddr[POK_CONFIG_NB_PARTITIONS]
= POK_CONFIG_PROGRAM_LOADADDR;
#endif
#ifdef POK_NEEDS_LOCKOBJECTS
uint8_t lockobj_index = 0;
#endif
for (i = 0 ; i < POK_CONFIG_NB_PARTITIONS ; i++)
{
uint32_t size = partition_size[i];
#ifndef POK_CONFIG_PARTITIONS_LOADADDR
uint32_t base_addr = (uint32_t)pok_bsp_mem_alloc(partition_size[i]);
#else
uint32_t base_addr = program_loadaddr[i];
#endif
uint32_t program_entry;
uint32_t base_vaddr = pok_space_base_vaddr(base_addr);
pok_partitions[i].base_addr = base_addr;
pok_partitions[i].size = size;
pok_partitions[i].sched = POK_SCHED_RR;
#ifdef POK_NEEDS_COVERAGE_INFOS
#include <libc.h>
printf ("[XCOV] Partition %d loaded at addr virt=|%x|, phys=|%x|\n", i, base_vaddr, base_addr);
#endif
pok_partition_setup_scheduler (i);
pok_create_space (i, base_addr, size);
pok_partitions[i].base_vaddr = base_vaddr;
/* Set the memory space and so on */
pok_partitions[i].thread_index_low = threads_index;
pok_partitions[i].nthreads = ((uint32_t[]) POK_CONFIG_PARTITIONS_NTHREADS) [i];
#ifdef POK_NEEDS_ERROR_HANDLING
if (pok_partitions[i].nthreads <= 1)
{
pok_partition_error (i, POK_ERROR_KIND_PARTITION_CONFIGURATION);
}
#endif
#ifdef POK_CONFIG_PARTITIONS_SCHEDULER
pok_partitions[i].sched = ((pok_sched_t[]) POK_CONFIG_PARTITIONS_SCHEDULER) [i];
#endif
pok_partitions[i].thread_index_high = pok_partitions[i].thread_index_low + ((uint32_t[]) POK_CONFIG_PARTITIONS_NTHREADS) [i];
pok_partitions[i].activation = 0;
pok_partitions[i].period = 0;
pok_partitions[i].thread_index = 0;
pok_partitions[i].thread_main = 0;
pok_partitions[i].current_thread = IDLE_THREAD;
pok_partitions[i].prev_thread = IDLE_THREAD; // breaks the rule of prev_thread not being idle, but it's just for init
#ifdef POK_NEEDS_SCHED_HFPPS
pok_partitions[i].payback = 0;
#endif /* POK_NEEDS_SCHED_HFPPS */
threads_index = threads_index + pok_partitions[i].nthreads;
/* Initialize the threading stuff */
pok_partitions[i].mode = POK_PARTITION_MODE_INIT_WARM;
#ifdef POK_NEEDS_LOCKOBJECTS
pok_partitions[i].lockobj_index_low = lockobj_index;
pok_partitions[i].lockobj_index_high = lockobj_index + ((uint8_t[]) POK_CONFIG_PARTITIONS_NLOCKOBJECTS[i]);
pok_partitions[i].nlockobjs = ((uint8_t[]) POK_CONFIG_PARTITIONS_NLOCKOBJECTS[i]);
lockobj_index = lockobj_index + pok_partitions[i].nlockobjs;
/* Initialize mutexes stuff */
#endif
#ifdef POK_NEEDS_ERROR_HANDLING
pok_partitions[i].thread_error = 0;
pok_partitions[i].error_status.failed_thread = 0;
pok_partitions[i].error_status.failed_addr = 0;
pok_partitions[i].error_status.error_kind = POK_ERROR_KIND_INVALID;
pok_partitions[i].error_status.msg_size = 0;
#endif
pok_loader_load_partition (i, base_addr - base_vaddr, &program_entry);
/*
* Load the partition in its address space
*/
pok_partitions[i].thread_main_entry = program_entry;
pok_partitions[i].lock_level = 0;
pok_partitions[i].start_condition = NORMAL_START;
#ifdef POK_NEEDS_INSTRUMENTATION
pok_instrumentation_partition_archi (i);
#endif
pok_partition_setup_main_thread (i);
pok_partitions[i].current_thread = pok_partitions[i].thread_main;
}
return POK_ERRNO_OK;
}