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/*==========================================================================
//
// kmemfix1.cxx
//
// Kernel C API Fixed memory pool test 1
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos 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 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): dsm, jlarmour
// Contributors:
// Date: 2000-06-19
// Description: Tests basic fixed memory pool functionality
//####DESCRIPTIONEND####
*/
#include <pkgconf/memalloc.h>
#include <cyg/infra/testcase.h>
#ifdef CYGFUN_MEMALLOC_KAPI
#include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
#include <pkgconf/kernel.h>
#include <cyg/kernel/kapi.h>
#define NTHREADS 2
#define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
static cyg_handle_t thread[NTHREADS];
static cyg_thread thread_obj[NTHREADS];
static char stack[NTHREADS][STACKSIZE];
#define MEMSIZE 10240
static cyg_uint8 mem[2][MEMSIZE];
static cyg_mempool_fix mempool_obj[2];
static cyg_handle_t mempool0, mempool1;
static void check_in_mp0(cyg_uint8 *p, cyg_int32 size)
{
CYG_TEST_CHECK(NULL != p,
"Allocation failed");
CYG_TEST_CHECK(mem[0] <= p && p+size < mem[1],
"Block outside memory pool");
}
static void entry0( cyg_addrword_t data )
{
cyg_uint8 *p0, *p1, *p2;
cyg_mempool_info info0, info1, info2;
cyg_mempool_fix_get_info(mempool0, &info0);
CYG_TEST_CHECK(mem[0] == info0.base, "get_arena: base wrong");
CYG_TEST_CHECK(MEMSIZE == info0.size, "get_arena: size wrong");
CYG_TEST_CHECK(0 < info0.maxfree && info0.maxfree <= info0.size,
"get_arena: maxfree wildly wrong");
CYG_TEST_CHECK(100 == info0.blocksize, "get_blocksize wrong" );
CYG_TEST_CHECK(info0.totalmem > 0, "Negative total memory" );
CYG_TEST_CHECK(info0.freemem > 0, "Negative free memory" );
CYG_TEST_CHECK(info0.totalmem <= MEMSIZE,
"info.totalsize: Too much memory");
CYG_TEST_CHECK(info0.freemem <= info0.totalmem ,
"More memory free than possible" );
CYG_TEST_CHECK( !cyg_mempool_fix_waiting(mempool0) ,
"Thread waiting for memory; there shouldn't be");
#ifdef CYGSEM_MEMALLOC_ALLOCATOR_FIXED_THREADAWARE
p0 = cyg_mempool_fix_alloc(mempool0);
check_in_mp0(p0, 100);
cyg_mempool_fix_get_info(mempool0, &info1);
CYG_TEST_CHECK(info1.freemem > 0, "Negative free memory" );
CYG_TEST_CHECK(info1.freemem < info0.freemem,
"Free memory didn't decrease after allocation" );
p1 = NULL;
while((p2 = cyg_mempool_fix_try_alloc(mempool0) ))
p1 = p2;
cyg_mempool_fix_get_info(mempool0, &info1);
cyg_mempool_fix_free(mempool0, p0);
cyg_mempool_fix_get_info(mempool0, &info2);
CYG_TEST_CHECK(info2.freemem > info1.freemem,
"Free memory didn't increase after free" );
#endif
// should be able to reallocate now a block is free
p0 = cyg_mempool_fix_try_alloc(mempool0);
check_in_mp0(p0, 100);
CYG_TEST_CHECK(p1+100 <= p0 || p1 >= p0+100,
"Ranges of allocated memory overlap");
cyg_mempool_fix_free(mempool0, p0);
cyg_mempool_fix_free(mempool0, p1);
#ifdef CYGSEM_MEMALLOC_ALLOCATOR_FIXED_THREADAWARE
# ifdef CYGFUN_KERNEL_THREADS_TIMER
// This shouldn't have to wait
p0 = cyg_mempool_fix_timed_alloc(mempool0, cyg_current_time()+100000);
check_in_mp0(p0, 100);
p1 = cyg_mempool_fix_timed_alloc(mempool0, cyg_current_time()+20);
check_in_mp0(p1, 10);
p1 = cyg_mempool_fix_timed_alloc(mempool0, cyg_current_time()+20);
CYG_TEST_CHECK(NULL == p1, "Timed alloc unexpectedly worked");
// Expect thread 1 to have run while processing previous timed
// allocation. It should therefore be waiting.
CYG_TEST_CHECK(cyg_mempool_fix_waiting(mempool1),
"There should be a thread waiting");
# endif
#endif
CYG_TEST_PASS_FINISH("Kernel C API Fixed memory pool 1 OK");
}
#ifdef CYGSEM_MEMALLOC_ALLOCATOR_FIXED_THREADAWARE
static void entry1( cyg_addrword_t data )
{
while(NULL != cyg_mempool_fix_alloc(mempool1))
;
CYG_TEST_FAIL("alloc returned NULL");
}
#endif
void kmemfix1_main( void )
{
CYG_TEST_INIT();
CYG_TEST_INFO("Starting Kernel C API Fixed memory pool 1 test");
cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmemfix1-0",
(void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
cyg_thread_resume(thread[0]);
#ifdef CYGSEM_MEMALLOC_ALLOCATOR_FIXED_THREADAWARE
cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmemfix1-1",
(void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
cyg_thread_resume(thread[1]);
#endif
cyg_mempool_fix_create(mem[0], MEMSIZE, 100, &mempool0, &mempool_obj[0]);
cyg_mempool_fix_create(mem[1], MEMSIZE, 316, &mempool1, &mempool_obj[1]);
cyg_scheduler_start();
CYG_TEST_FAIL_FINISH("Not reached");
}
externC void
cyg_start( void )
{
kmemfix1_main();
}
#else /* def CYGFUN_MEMALLOC_KAPI */
externC void
cyg_start( void )
{
CYG_TEST_INIT();
CYG_TEST_NA("Kernel C API layer disabled");
}
#endif /* def CYGFUN_MEMALLOC_KAPI */
/* EOF kmemfix1.c */
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