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* Patch by Arun Dharankar, 4 Apr 2003:

Browse Source 
Add IDMA example code (tested on 8260 only)

* Add support for Purple Board (MIPS64 5Kc)

* Add support for MIPS64 5Kc CPUs

* Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS

* Patch by Denis Peter, 04 Apr 2003:
  - update MIP405-4 board

* Patches by Denis Peter, 03 April 2003:
  - fix PCI IRQs on MPL boards
  - fix two more un-relocated pointer problems

* Fix behaviour of "run" command:
  - print error message iv variable does not exist
  - terminate processing of arguments in case of error

* Patches by Peter Figuli, 10 Mar 2003
  - Add support for BTUART on PXA platform
  - Add support for WEP EP250 (PXA) board

* Fix flash problems on INCA-IP; add tool to allow bruning images  to
  flash using a BDI2000

* Implement fix for I2C Edge Conditions problem for all boards that
  use the bit-banging driver (common/soft_i2c.c)

* Add patches by Robert Schwebel, 31 Mar 2003:
  - csb226 board: bring in sync with innokom/memsetup.S
  - csb226 board: fix MDREFR handling
  - misc doc fixes / extensions
  - innokom board: cleanup, MDREFR fix in memsetup.S, config update
  - add BOOT_PROGRESS to armlinux.c
This commit is contained in:
wdenk
2003-04-05 00:53:31 +00:00
parent 36c05a80ec
commit 3e38691e8f
52 changed files with 2063 additions and 450 deletions
Download Patch File Download Diff File Expand all files Collapse all files

112
examples/sched.c
View File

@@ -3,12 +3,12 @@
* 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,
@@ -17,7 +17,6 @@
#include <common.h>
#include <syscall.h>
#include <setjmp.h>
/*
* Author: Arun Dharankar <ADharankar@ATTBI.Com>
@@ -54,6 +53,13 @@
#define RC_FAILURE (-1)
#define RC_SUCCESS (0)
typedef vu_char *jmp_ctx;
unsigned long setctxsp (vu_char *sp);
int ppc_setjmp(jmp_ctx env);
void ppc_longjmp(jmp_ctx env, int val);
#define setjmp ppc_setjmp
#define longjmp ppc_longjmp
struct lthread {
int state;
int retval;
@@ -68,13 +74,13 @@ static volatile int current_tid = MASTER_THREAD;
static uchar dbg = 0;
#define DEBUG(fmt, args...) { \
if(dbg != 0) { \
mon_printf("[%s %d %s]: ", __FILE__, __LINE__, __FUNCTION__); \
mon_printf(fmt, ##args); \
mon_printf("\n"); \
} \
}
#define PDEBUG(fmt, args...) { \
if(dbg != 0) { \
mon_printf("[%s %d %s]: ",__FILE__,__LINE__,__FUNCTION__);\
mon_printf(fmt, ##args); \
mon_printf("\n"); \
} \
}
static int testthread (void *);
static void sched_init (void);
@@ -83,14 +89,15 @@ static int thread_start (int id);
static void thread_yield (void);
static int thread_delete (int id);
static int thread_join (int *ret);
#if 0 /* not used yet */
#if 0 /* not used yet */
static int thread_stop (int id);
#endif /* not used yet */
#endif /* not used yet */
/* An example of schedular test */
#define NUMTHREADS 7
int sched (bd_t *bd, int ac, char *av[])
int sched (bd_t * bd, int ac, char *av[])
{
int i, j;
int tid[NUMTHREADS];
@@ -102,11 +109,10 @@ int sched (bd_t *bd, int ac, char *av[])
names[i] = i;
j = thread_create (testthread, (void *) &names[i]);
if (j == RC_FAILURE)
mon_printf ("schedtest: Failed to create thread %d\n",
i);
mon_printf ("schedtest: Failed to create thread %d\n", i);
if (j > 0) {
mon_printf ("schedtest: Created thread with id %d, name %d\n",
j, i);
j, i);
tid[i] = j;
}
}
@@ -125,8 +131,7 @@ int sched (bd_t *bd, int ac, char *av[])
if (mon_tstc () && mon_getc () == 0x3) {
mon_printf ("schedtest: Aborting threads...\n");
for (i = 0; i < NUMTHREADS; i++) {
mon_printf ("schedtest: Deleting thread %d\n",
tid[i]);
mon_printf ("schedtest: Deleting thread %d\n", tid[i]);
thread_delete (tid[i]);
}
return RC_SUCCESS;
@@ -135,11 +140,10 @@ int sched (bd_t *bd, int ac, char *av[])
i = thread_join (&j);
if (i == RC_FAILURE) {
mon_printf ("schedtest: No threads pending, "
"exiting schedular test\n");
"exiting schedular test\n");
return RC_SUCCESS;
}
mon_printf ("schedtest: thread is %d returned %d\n", i,
j);
mon_printf ("schedtest: thread is %d returned %d\n", i, j);
thread_yield ();
}
@@ -151,14 +155,14 @@ static int testthread (void *name)
int i;
mon_printf ("testthread: Begin executing thread, myname %d, &i=0x%08x\n",
*(int *) name, &i);
*(int *) name, &i);
mon_printf ("Thread %02d, i=%d\n", *(int *) name);
for (i = 0; i < 0xffff * (*(int *) name + 1); i++) {
if (mon_tstc () && mon_getc () == 0x3) {
mon_printf ("testthread: myname %d terminating.\n",
*(int *) name);
*(int *) name);
return *(int *) name + 1;
}
@@ -167,7 +171,7 @@ static int testthread (void *name)
}
mon_printf ("testthread: returning %d, i=0x%x\n",
*(int *) name + 1, i);
*(int *) name + 1, i);
return *(int *) name + 1;
}
@@ -182,8 +186,8 @@ static void sched_init (void)
current_tid = MASTER_THREAD;
lthreads[current_tid].state = STATE_RUNNABLE;
DEBUG ("sched_init: master context = 0x%08x",
lthreads[current_tid].context);
PDEBUG ("sched_init: master context = 0x%08x",
lthreads[current_tid].context);
return;
}
@@ -191,19 +195,19 @@ static void thread_yield (void)
{
static int i;
DEBUG ("thread_yield: current tid=%d", current_tid);
PDEBUG ("thread_yield: current tid=%d", current_tid);
#define SWITCH(new) \
if(lthreads[new].state == STATE_RUNNABLE) { \
DEBUG("thread_yield: %d match, ctx=0x%08x", \
PDEBUG("thread_yield: %d match, ctx=0x%08x", \
new, lthreads[current_tid].context); \
if(setjmp(lthreads[current_tid].context) == 0) { \
current_tid = new; \
DEBUG("thread_yield: tid %d returns 0", \
PDEBUG("thread_yield: tid %d returns 0", \
new); \
longjmp(lthreads[new].context, 1); \
} else { \
DEBUG("thread_yield: tid %d returns 1", \
PDEBUG("thread_yield: tid %d returns 1", \
new); \
return; \
} \
@@ -219,7 +223,7 @@ static void thread_yield (void)
}
}
DEBUG ("thread_yield: returning from thread_yield");
PDEBUG ("thread_yield: returning from thread_yield");
return;
}
@@ -232,12 +236,12 @@ static int thread_create (int (*func) (void *), void *arg)
lthreads[i].state = STATE_STOPPED;
lthreads[i].func = func;
lthreads[i].arg = arg;
DEBUG ("thread_create: returns new tid %d", i);
PDEBUG ("thread_create: returns new tid %d", i);
return i;
}
}
DEBUG ("thread_create: returns failure");
PDEBUG ("thread_create: returns failure");
return RC_FAILURE;
}
@@ -255,13 +259,13 @@ static int thread_delete (int id)
static void thread_launcher (void)
{
DEBUG ("thread_launcher: invoking func=0x%08x",
PDEBUG ("thread_launcher: invoking func=0x%08x",
lthreads[current_tid].func);
lthreads[current_tid].retval =
lthreads[current_tid].func(lthreads[current_tid].arg);
lthreads[current_tid].func (lthreads[current_tid].arg);
DEBUG ("thread_launcher: tid %d terminated", current_tid);
PDEBUG ("thread_launcher: tid %d terminated", current_tid);
lthreads[current_tid].state = STATE_TERMINATED;
thread_yield ();
@@ -272,7 +276,7 @@ static void thread_launcher (void)
static int thread_start (int id)
{
DEBUG ("thread_start: id=%d", id);
PDEBUG ("thread_start: id=%d", id);
if (id <= MASTER_THREAD || id > MAX_THREADS) {
return RC_FAILURE;
}
@@ -283,17 +287,17 @@ static int thread_start (int id)
if (setjmp (lthreads[current_tid].context) == 0) {
lthreads[id].state = STATE_RUNNABLE;
current_tid = id;
DEBUG ("thread_start: to be stack=0%08x", lthreads[id].stack);
PDEBUG ("thread_start: to be stack=0%08x", lthreads[id].stack);
setctxsp (&lthreads[id].stack[STK_SIZE]);
thread_launcher ();
}
DEBUG ("thread_start: Thread id=%d started, parent returns", id);
PDEBUG ("thread_start: Thread id=%d started, parent returns", id);
return RC_SUCCESS;
}
#if 0 /* not used so far */
#if 0 /* not used so far */
static int thread_stop (int id)
{
if (id <= MASTER_THREAD || id >= MAX_THREADS)
@@ -305,46 +309,46 @@ static int thread_stop (int id)
lthreads[id].state = STATE_STOPPED;
return RC_SUCCESS;
}
#endif /* not used so far */
#endif /* not used so far */
static int thread_join (int *ret)
{
int i, j = 0;
DEBUG ("thread_join: *ret = %d", *ret);
PDEBUG ("thread_join: *ret = %d", *ret);
if (!(*ret == -1 || *ret > MASTER_THREAD || *ret < MAX_THREADS)) {
DEBUG ("thread_join: invalid tid %d", *ret);
PDEBUG ("thread_join: invalid tid %d", *ret);
return RC_FAILURE;
}
if (*ret == -1) {
DEBUG ("Checking for tid = -1");
PDEBUG ("Checking for tid = -1");
while (1) {
/* DEBUG("thread_join: start while-loopn"); */
/* PDEBUG("thread_join: start while-loopn"); */
j = 0;
for (i = MASTER_THREAD + 1; i < MAX_THREADS; i++) {
if (lthreads[i].state == STATE_TERMINATED) {
*ret = lthreads[i].retval;
lthreads[i].state = STATE_EMPTY;
/* DEBUG("thread_join: returning retval %d of tid %d",
ret, i); */
/* PDEBUG("thread_join: returning retval %d of tid %d",
ret, i); */
return RC_SUCCESS;
}
if (lthreads[i].state != STATE_EMPTY) {
DEBUG ("thread_join: %d used slots tid %d state=%d",
j, i, lthreads[i].state);
PDEBUG ("thread_join: %d used slots tid %d state=%d",
j, i, lthreads[i].state);
j++;
}
}
if (j == 0) {
DEBUG ("thread_join: all slots empty!");
PDEBUG ("thread_join: all slots empty!");
return RC_FAILURE;
}
/* DEBUG("thread_join: yielding"); */
/* PDEBUG("thread_join: yielding"); */
thread_yield ();
/* DEBUG("thread_join: back from yield"); */
/* PDEBUG("thread_join: back from yield"); */
}
}
@@ -352,10 +356,10 @@ static int thread_join (int *ret)
i = *ret;
*ret = lthreads[*ret].retval;
lthreads[*ret].state = STATE_EMPTY;
DEBUG ("thread_join: returing %d for tid %d", *ret, i);
PDEBUG ("thread_join: returing %d for tid %d", *ret, i);
return RC_SUCCESS;
}
DEBUG ("thread_join: thread %d is not terminated!", *ret);
PDEBUG ("thread_join: thread %d is not terminated!", *ret);
return RC_FAILURE;
}