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Make scheduler functions thread safe core wise. A big step towards playback running on COP (not yet possible because more protection on file system level is necessary).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12926 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Miika Pekkarinen 2007-03-26 16:55:17 +00:00
parent 6c487eb5d1
commit 66258a30a4
10 changed files with 368 additions and 148 deletions
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53
apps/debug_menu.c
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@ -92,7 +92,7 @@
/*---------------------------------------------------*/
extern int ata_device;
extern int ata_io_address;
extern struct core_entry cores[NUM_CORES];
extern struct thread_entry threads[MAXTHREADS];
#ifndef SIMULATOR
static char thread_status_char(int status)
@ -112,34 +112,33 @@ static char thread_status_char(int status)
#else
#define IF_COP2(...)
#endif
/* the MSB of thread_ids[..] is the core, so this will need changing
if we ever get a target with more than 2 cores...
The next 7 bits are used for the thread number on that core...
SO, MAXTHREADS must be kept under 256... which shouldnt be a problem */
static unsigned char thread_ids[NUM_CORES * MAXTHREADS];
static char* dbg_os_getname(int selected_item, void * data, char *buffer)
{
(void)data;
struct thread_entry *thread = NULL;
int status, usage;
int core = (thread_ids[selected_item]&0x80)>>7;
int thread_number = thread_ids[selected_item]&0x7F;
thread = &cores[core].threads[thread_number];
thread = &threads[selected_item];
if (thread->name == NULL)
{
snprintf(buffer, MAX_PATH, "%2d: ---", selected_item);
return buffer;
}
if (thread == NULL)
return "";
usage = thread_stack_usage(thread);
status = thread_get_status(thread);
#ifdef HAVE_PRIORITY_SCHEDULING
snprintf(buffer, MAX_PATH, IF_COP2("(%d) ") "%c%c %d %2d%% %s",
IF_COP2(core,)
snprintf(buffer, MAX_PATH, "%2d: " IF_COP2("(%d) ") "%c%c %d %2d%% %s",
selected_item,
IF_COP2(thread->core,)
(status == STATE_RUNNING) ? '*' : ' ',
thread_status_char(status),
thread->priority,
usage, thread->name);
#else
snprintf(buffer, MAX_PATH, IF_COP2("(%d) ") "%c%c %2d%% %s",
IF_COP2(core,)
snprintf(buffer, MAX_PATH, "%2d: " IF_COP2("(%d) ") "%c%c %2d%% %s",
selected_item,
IF_COP2(thread->core,)
(status == STATE_RUNNING) ? '*' : ' ',
thread_status_char(status),
usage, thread->name);
@ -151,30 +150,12 @@ static char* dbg_os_getname(int selected_item, void * data, char *buffer)
static bool dbg_os(void)
{
struct gui_synclist lists;
struct thread_entry *thread = NULL;
int action, i;
int thread_count = 0;
int core = 0;
#if NUM_CORES > 1
for(core = 0; core < NUM_CORES; core++)
{
#endif
for(i = 0;i < MAXTHREADS; i++)
{
thread = &cores[core].threads[i];
if (thread->name != NULL)
{
thread_ids[thread_count] = (core<<7)|i;
thread_count++;
}
}
#if NUM_CORES > 1
}
#endif
int action;
gui_synclist_init(&lists, dbg_os_getname, NULL, false, 1);
gui_synclist_set_title(&lists, IF_COP2("Core and ") "Stack usage:", NOICON);
gui_synclist_set_icon_callback(&lists, NULL);
gui_synclist_set_nb_items(&lists, thread_count);
gui_synclist_set_nb_items(&lists, MAXTHREADS);
action_signalscreenchange();
while(1)
{