1 //==========================================================================
5 // Variable memory pool with separate metadata test 1
7 //==========================================================================
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40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): dsm, jlarmour
46 // Description: Tests basic variable memory pool functionality
47 //####DESCRIPTIONEND####
49 #include <pkgconf/memalloc.h>
50 #include <pkgconf/system.h>
53 #include <pkgconf/kernel.h>
55 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
56 #include <cyg/kernel/thread.hxx> // Cyg_Thread
58 #include <cyg/kernel/sched.inl>
59 #include <cyg/kernel/thread.inl>
61 #include <cyg/kernel/timer.hxx> // Cyg_Timer
62 #include <cyg/kernel/clock.inl> // Cyg_Clock
65 #include "testaux.hxx"
69 #include <cyg/memalloc/sepmeta.hxx>
71 #include <cyg/infra/testcase.h>
73 static const cyg_int32 memsize = 10240;
74 static const cyg_int32 metadatasize = 2048;
76 static cyg_uint8 mem[2][memsize];
77 static cyg_uint8 metadata[2][metadatasize];
79 static Cyg_Mempool_Sepmeta mempool0(mem[0], memsize, 8,
80 metadata[0], metadatasize);
82 static Cyg_Mempool_Sepmeta mempool1(mem[1], memsize, 8,
83 metadata[1], metadatasize);
86 static void check_in_mp0(cyg_uint8 *p, cyg_int32 size)
88 CYG_TEST_CHECK(NULL != p,
90 CYG_TEST_CHECK(mem[0] <= p && p+size <= mem[1],
91 "Block outside memory pool");
95 static void entry0( CYG_ADDRWORD data )
97 cyg_int32 f0,f1,f2,t0;
99 cyg_int32 most_of_mem=memsize/4*3;
100 Cyg_Mempool_Status stat;
102 mempool0.get_status( CYG_MEMPOOL_STAT_ORIGBASE|
103 CYG_MEMPOOL_STAT_BLOCKSIZE|
104 CYG_MEMPOOL_STAT_MAXFREE|
105 CYG_MEMPOOL_STAT_ORIGSIZE, stat );
107 CYG_TEST_CHECK(mem[0] == stat.origbase, "get_status: base wrong");
108 CYG_TEST_CHECK(memsize == stat.origsize, "get_status: size wrong");
110 CYG_TEST_CHECK(0 < stat.maxfree && stat.maxfree <= stat.origsize,
111 "get_status: maxfree wildly wrong");
113 CYG_TEST_CHECK(-1 == stat.blocksize, "blocksize wrong" );
115 mempool0.get_status( CYG_MEMPOOL_STAT_TOTALFREE|
116 CYG_MEMPOOL_STAT_ARENASIZE, stat );
118 CYG_TEST_CHECK(t0 > 0, "Negative total memory" );
120 CYG_TEST_CHECK(f0 > 0, "Negative free memory" );
121 CYG_TEST_CHECK(t0 <= memsize, "get_totalsize: Too much memory");
122 CYG_TEST_CHECK(f0 <= t0 , "More memory free than possible" );
124 mempool0.get_status( CYG_MEMPOOL_STAT_WAITING, stat );
125 CYG_TEST_CHECK( !stat.waiting,
126 "Thread waiting for memory; there shouldn't be");
128 CYG_TEST_CHECK( NULL == mempool0.try_alloc(memsize+1),
129 "Managed to allocate too much memory");
131 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_SEPMETA_THREADAWARE
132 p0 = mempool0.alloc(most_of_mem);
134 p0 = mempool0.try_alloc(most_of_mem);
136 check_in_mp0(p0, most_of_mem);
138 mempool0.get_status( CYG_MEMPOOL_STAT_TOTALFREE, stat );
140 CYG_TEST_CHECK(f1 > 0, "Negative free memory" );
141 CYG_TEST_CHECK(f1 < f0, "Free memory didn't decrease after allocation" );
143 CYG_TEST_CHECK( NULL == mempool0.try_alloc(most_of_mem),
144 "Managed to allocate too much memory");
146 CYG_TEST_CHECK(mempool0.free(p0, most_of_mem), "Couldn't free");
148 mempool0.get_status( CYG_MEMPOOL_STAT_TOTALFREE, stat );
150 CYG_TEST_CHECK(f2 > f1, "Free memory didn't increase after free" );
152 // should be able to reallocate now memory is free
153 p0 = mempool0.try_alloc(most_of_mem);
154 check_in_mp0(p0, most_of_mem);
156 p1 = mempool0.try_alloc(10);
157 check_in_mp0(p1, 10);
159 CYG_TEST_CHECK(p1+10 <= p0 || p1 >= p0+most_of_mem,
160 "Ranges of allocated memory overlap");
162 CYG_TEST_CHECK(mempool0.free(p0, 0), "Couldn't free");
163 CYG_TEST_CHECK(mempool0.free(p1, 10), "Couldn't free");
165 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_SEPMETA_THREADAWARE
166 # ifdef CYGFUN_KERNEL_THREADS_TIMER
167 // This shouldn't have to wait
168 p0 = mempool0.alloc(most_of_mem,
169 Cyg_Clock::real_time_clock->current_value() + 100000);
170 check_in_mp0(p0, most_of_mem);
171 p1 = mempool0.alloc(most_of_mem,
172 Cyg_Clock::real_time_clock->current_value() + 2);
173 CYG_TEST_CHECK(NULL == p1, "Timed alloc unexpectedly worked");
174 p1 = mempool0.alloc(10,
175 Cyg_Clock::real_time_clock->current_value() + 2);
176 check_in_mp0(p1, 10);
178 // Expect thread 1 to have run while processing previous timed
179 // allocation. It should therefore tbe waiting.
180 mempool1.get_status( CYG_MEMPOOL_STAT_WAITING, stat );
181 CYG_TEST_CHECK(stat.waiting, "There should be a thread waiting");
185 CYG_TEST_PASS_FINISH("Sepmeta memory pool 1 OK");
188 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_SEPMETA_THREADAWARE
189 static void entry1( CYG_ADDRWORD data )
191 mempool1.alloc(memsize+1);
192 CYG_TEST_FAIL("Oversized alloc returned");
196 void sepmeta1_main( void )
199 CYG_TEST_INFO("Starting Seperate metadata pool 1 test");
201 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_SEPMETA_THREADAWARE
202 new_thread(entry0, 0);
203 new_thread(entry1, 1);
205 Cyg_Scheduler::start();
206 #elif defined(CYGPKG_KERNEL)
207 new_thread(entry0, 0);
209 Cyg_Scheduler::start();
214 CYG_TEST_FAIL_FINISH("Not reached");
220 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
221 cyg_hal_invoke_constructors();