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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [services/] [memalloc/] [common/] [current/] [tests/] [sepmeta2.cxx] - Rev 838
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//========================================================================== // // sepmeta2.cxx // // Variable memory pool with separate metadata test 2 // //========================================================================== // ####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: 2001-06-28 // Description: test allocation and freeing in variable memory pools //####DESCRIPTIONEND#### #include <pkgconf/memalloc.h> #include <pkgconf/system.h> #ifdef CYGPKG_KERNEL #include <pkgconf/kernel.h> #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start() #include <cyg/kernel/thread.hxx> // Cyg_Thread #include <cyg/kernel/thread.inl> #include <cyg/kernel/sema.hxx> #include <cyg/kernel/sched.inl> #define NTHREADS 1 #include "testaux.hxx" #endif #include <cyg/memalloc/sepmeta.hxx> #include <cyg/infra/testcase.h> static const cyg_int32 memsize = 10240; static const cyg_int32 metadatasize = 2048; static cyg_uint8 mem[memsize]; static cyg_uint8 metadata[metadatasize]; static Cyg_Mempool_Sepmeta mempool(mem, memsize, 8, metadata, metadatasize); #define NUM_PTRS 16 // Should be even static cyg_uint8 *ptr[NUM_PTRS]; static cyg_int32 size[NUM_PTRS]; // We make a number of passes over a table of pointers which point to // blocks of allocated memory. The block is freed and a new block // allocated. The size and the order of the processing of blocks // is varied. static void entry( CYG_ADDRWORD data ) { cyg_uint32 s = 1; // The number of passes that can be successfully performed // depends on the fragmentation performance of the memory // allocator. for(cyg_ucount32 passes = 0; passes < 10; passes++) { // The order which the table is processed varies according to // stepsize. cyg_ucount8 stepsize = (passes*2 + 1) % NUM_PTRS; // odd for(cyg_ucount8 c=0, i=0; c < NUM_PTRS; c++) { i = (i+stepsize) % NUM_PTRS; if(ptr[i]) { for(cyg_ucount32 j=size[i];j--;) { CYG_TEST_CHECK(ptr[i][j]==i, "Memory corrupted"); } CYG_TEST_CHECK(mempool.free(ptr[i], size[i]), "bad free"); } s = (s*2 + 17) % 100; // size always odds therefore non-0 ptr[i] = mempool.try_alloc(s); size[i] = s; CYG_TEST_CHECK(NULL != ptr[i], "Memory pool not big enough"); CYG_TEST_CHECK(mem<=ptr[i] && ptr[i]+s < mem+memsize, "Allocated region not within pool"); // Scribble over memory to check whether region overlaps // with other regions. The contents of the memory are // checked on freeing. This also tests that the memory // does not overlap with allocator memory structures. for(cyg_ucount32 j=size[i];j--;) { ptr[i][j]=i; } } } CYG_TEST_PASS_FINISH("Sepmeta memory pool 2 OK"); } void sepmeta2_main( void ) { CYG_TEST_INIT(); CYG_TEST_INFO("Starting Seperate metadata memory pool 2 test"); for(cyg_ucount32 i = 0; i<NUM_PTRS; i++) { ptr[i] = NULL; } #ifdef CYGPKG_KERNEL new_thread(entry, 0); Cyg_Scheduler::start(); #else entry(0); #endif CYG_TEST_FAIL_FINISH("Not reached"); } externC void cyg_start( void ) { #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG cyg_hal_invoke_constructors(); #endif sepmeta2_main(); } // EOF sepmeta2.cxx
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