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comparison packages/kernel/current/tests/except1.cxx @ 78:59d97b6ba612 ecos-sw-2000-03-28

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Merge from eCos master repository on 2000-03-28-19:50:47-BST
author jlarmour
date Tue, 28 Mar 2000 20:13:29 +0000
parents c5536bad4c24
children 518f42066aba
comparison
equal deleted inserted replaced
77:abb6bd809e81 78:59d97b6ba612
53 #include <cyg/kernel/thread.inl> 53 #include <cyg/kernel/thread.inl>
54 54
55 #define NTHREADS 1 55 #define NTHREADS 1
56 #include "testaux.hxx" 56 #include "testaux.hxx"
57 57
58 static int d0;
59 #ifdef CYGNUM_HAL_EXCEPTION_DATA_ACCESS
58 static cyg_exception_handler handler0; 60 static cyg_exception_handler handler0;
59 static int d0;
60 61
61 static void handler0(CYG_ADDRWORD data, cyg_code number, CYG_ADDRWORD info) 62 static void handler0(CYG_ADDRWORD data, cyg_code number, CYG_ADDRWORD info)
62 { 63 {
63 CYG_TEST_INFO("handler 0 called"); 64 CYG_TEST_INFO("handler 0 called");
64 65
68 CYG_UNUSED_PARAM(cyg_code, number); 69 CYG_UNUSED_PARAM(cyg_code, number);
69 CYG_UNUSED_PARAM(CYG_ADDRWORD, info); 70 CYG_UNUSED_PARAM(CYG_ADDRWORD, info);
70 71
71 CYG_TEST_PASS_FINISH("Except 1 OK"); 72 CYG_TEST_PASS_FINISH("Except 1 OK");
72 } 73 }
74 #endif
73 75
74 static void handler1(CYG_ADDRWORD data, cyg_code number, CYG_ADDRWORD info) 76 static void handler1(CYG_ADDRWORD data, cyg_code number, CYG_ADDRWORD info)
75 { 77 {
76 CYG_TEST_INFO("handler 1 called"); 78 CYG_TEST_INFO("handler 1 called");
77 79
84 #endif 86 #endif
85 87
86 CYG_TEST_CHECK((CYG_ADDRWORD)99 == info, "handler given wrong info"); 88 CYG_TEST_CHECK((CYG_ADDRWORD)99 == info, "handler given wrong info");
87 } 89 }
88 90
89 91 #ifdef CYGNUM_HAL_EXCEPTION_DATA_ACCESS
90 // The following function attempts to cause an exception in various 92 // The following function attempts to cause an exception in various
91 // hacky ways. It is machine dependent what exception is generated. 93 // hacky ways. It is machine dependent what exception is generated.
92 // It does reads rather than writes hoping not to corrupt anything 94 // It does reads rather than writes hoping not to corrupt anything
93 // important. 95 // important.
94 void cause_exception(void) 96 void cause_exception(void)
99 do { 101 do {
100 x=*(volatile int *)(p-1)/p; 102 x=*(volatile int *)(p-1)/p;
101 p+=0x100000; 103 p+=0x100000;
102 } while(p != 0); 104 } while(p != 0);
103 } 105 }
106 #endif
104 107
105 static void entry0( CYG_ADDRWORD data ) 108 static void entry0( CYG_ADDRWORD data )
106 { 109 {
110 #ifdef CYGNUM_HAL_EXCEPTION_DATA_ACCESS
107 cyg_code n; 111 cyg_code n;
112 #endif
108 cyg_exception_handler *old_handler, *old_handler1; 113 cyg_exception_handler *old_handler, *old_handler1;
109 CYG_ADDRWORD old_data, old_data1; 114 CYG_ADDRWORD old_data, old_data1;
110 Cyg_Thread *p=Cyg_Thread::self(); 115 Cyg_Thread *p=Cyg_Thread::self();
111 116
112 CYG_UNUSED_PARAM(CYG_ADDRESS, data); 117 CYG_UNUSED_PARAM(CYG_ADDRESS, data);
135 CYG_TEST_INFO("handler 1 returned"); 140 CYG_TEST_INFO("handler 1 returned");
136 141
137 p->deregister_exception(CYGNUM_HAL_EXCEPTION_MAX); 142 p->deregister_exception(CYGNUM_HAL_EXCEPTION_MAX);
138 p->deregister_exception(CYGNUM_HAL_EXCEPTION_MAX); 143 p->deregister_exception(CYGNUM_HAL_EXCEPTION_MAX);
139 144
145 #ifdef CYGNUM_HAL_EXCEPTION_DATA_ACCESS
146
140 #if 0 147 #if 0
141 #elif defined(CYGPKG_HAL_POWERPC_SIM) 148 #elif defined(CYGPKG_HAL_POWERPC_SIM)
142 // The exception generated by the SIM is not recognized by GDB. 149 // The exception generated by the SIM is not recognized by GDB.
143 // PR 19945 workaround. 150 // PR 19945 workaround.
144 CYG_TEST_NA("Not applicable to PowerPC SIM"); 151 CYG_TEST_NA("Not applicable to PowerPC SIM");
159 CYG_TEST_PASS("Attempting to provoke exception"); 166 CYG_TEST_PASS("Attempting to provoke exception");
160 167
161 cause_exception(); 168 cause_exception();
162 169
163 CYG_TEST_FAIL_FINISH("Couldn't cause exception"); 170 CYG_TEST_FAIL_FINISH("Couldn't cause exception");
171 #else // CYGNUM_HAL_EXCEPTION_DATA_ACCESS
172 CYG_TEST_NA("Platform does not support data exceptions");
173 #endif
174
164 } 175 }
165 176
166 #ifdef CYG_HAL_MIPS_TX39_JMR3904 177 #ifdef CYG_HAL_MIPS_TX39_JMR3904
167 178
168 externC cyg_VSR __default_exception_vsr; 179 externC cyg_VSR __default_exception_vsr;