1//Original:/proj/frio/dv/testcases/core/c_progctrl_excpt/c_progctrl_excpt.dsp
2// Spec Reference: progctrl excpt uimm4
3# mach: bfin
4# sim: --environment operating
5
6#include "test.h"
7.include "testutils.inc"
8start
9
10include(std.inc)
11include(selfcheck.inc)
12include(gen_int.inc)
13INIT_R_REGS(0);
14INIT_P_REGS(0);
15INIT_I_REGS(0);     // initialize the dsp address regs
16INIT_M_REGS(0);
17INIT_L_REGS(0);
18INIT_B_REGS(0);
19//CHECK_INIT(p5, 0xe0000000);
20include(symtable.inc)
21CHECK_INIT_DEF(p5);
22
23#ifndef STACKSIZE
24#define STACKSIZE 0x10
25#endif
26#ifndef EVT
27#define EVT  0xFFE02000
28#endif
29#ifndef EVT15
30#define EVT15  0xFFE0203C
31#endif
32#ifndef EVT_OVERRIDE
33#define EVT_OVERRIDE 0xFFE02100
34#endif
35#ifndef ITABLE
36#define ITABLE 0xF0000000
37#endif
38
39GEN_INT_INIT(ITABLE) // set location for interrupt table
40
41//
42// Reset/Bootstrap Code
43//   (Here we should set the processor operating modes, initialize registers,
44//    etc.)
45//
46
47BOOT:
48
49
50LD32_LABEL(sp, KSTACK);   // setup the stack pointer
51FP = SP;        // and frame pointer
52
53LD32(p0, EVT);      // Setup Event Vectors and Handlers
54LD32_LABEL(r0, EHANDLE);  // Emulation Handler (Int0)
55    [ P0 ++ ] = R0;
56
57LD32_LABEL(r0, RHANDLE);  // Reset Handler (Int1)
58    [ P0 ++ ] = R0;
59
60LD32_LABEL(r0, NHANDLE);  // NMI Handler (Int2)
61    [ P0 ++ ] = R0;
62
63LD32_LABEL(r0, XHANDLE);  // Exception Handler (Int3)
64    [ P0 ++ ] = R0;
65
66    [ P0 ++ ] = R0;        // IVT4 not used
67
68LD32_LABEL(r0, HWHANDLE); // HW Error Handler (Int5)
69    [ P0 ++ ] = R0;
70
71LD32_LABEL(r0, THANDLE);  // Timer Handler (Int6)
72    [ P0 ++ ] = R0;
73
74LD32_LABEL(r0, I7HANDLE); // IVG7 Handler
75    [ P0 ++ ] = R0;
76
77LD32_LABEL(r0, I8HANDLE); // IVG8 Handler
78    [ P0 ++ ] = R0;
79
80LD32_LABEL(r0, I9HANDLE); // IVG9 Handler
81    [ P0 ++ ] = R0;
82
83LD32_LABEL(r0, I10HANDLE);// IVG10 Handler
84    [ P0 ++ ] = R0;
85
86LD32_LABEL(r0, I11HANDLE);// IVG11 Handler
87    [ P0 ++ ] = R0;
88
89LD32_LABEL(r0, I12HANDLE);// IVG12 Handler
90    [ P0 ++ ] = R0;
91
92LD32_LABEL(r0, I13HANDLE);// IVG13 Handler
93    [ P0 ++ ] = R0;
94
95LD32_LABEL(r0, I14HANDLE);// IVG14 Handler
96    [ P0 ++ ] = R0;
97
98LD32_LABEL(r0, I15HANDLE);// IVG15 Handler
99    [ P0 ++ ] = R0;
100
101LD32(p0, EVT_OVERRIDE);
102    R0 = 0;
103    [ P0 ++ ] = R0;
104    R0 = -1;     // Change this to mask interrupts (*)
105    [ P0 ] = R0;   // IMASK
106
107DUMMY:
108
109    R0 = 0 (Z);
110
111LT0 = r0;       // set loop counters to something deterministic
112LB0 = r0;
113LC0 = r0;
114LT1 = r0;
115LB1 = r0;
116LC1 = r0;
117
118ASTAT = r0;     // reset other internal regs
119
120// The following code sets up the test for running in USER mode
121
122LD32_LABEL(r0, STARTUSER);// One gets to user mode by doing a
123                        // ReturnFromInterrupt (RTI)
124RETI = r0;      // We need to load the return address
125
126// Comment the following line for a USER Mode test
127
128JUMP    STARTSUP;   // jump to code start for SUPERVISOR mode
129
130RTI;
131
132STARTSUP:
133LD32_LABEL(p1, BEGIN);
134
135LD32(p0, EVT15);
136    [ P0 ] = P1;   // IVG15 (General) handler (Int 15) load with start
137
138RAISE 15;       // after we RTI, INT 15 should be taken
139
140NOP;    // Workaround for Bug 217
141RTI;
142
143//
144// The Main Program
145//
146STARTUSER:
147LD32_LABEL(sp, USTACK);   // setup the stack pointer
148FP = SP;            // set frame pointer
149JUMP BEGIN;
150
151//*********************************************************************
152
153BEGIN:
154
155                // COMMENT the following line for USER MODE tests
156    [ -- SP ] = RETI;  // enable interrupts in supervisor mode
157
158                // **** YOUR CODE GOES HERE ****
159
160
161
162    // PUT YOUR TEST HERE!
163EXCPT 2;    // RETX  RTX
164
165CHECKREG(r0, 0x0000000A);
166CHECKREG(r1, 0x0000000B);
167CHECKREG(r2, 0x0000000C);
168CHECKREG(r3, 0x0000000D);
169CHECKREG(r4, 0x00000000);
170CHECKREG(r5, 0x00000000);
171CHECKREG(r6, 0x00000000);
172CHECKREG(r7, 0x00000000);
173
174
175END:
176dbg_pass;            // End the test
177
178//*********************************************************************
179
180//
181// Handlers for Events
182//
183
184EHANDLE:            // Emulation Handler 0
185RTE;
186
187RHANDLE:            // Reset Handler 1
188RTI;
189
190NHANDLE:            // NMI Handler 2
191    R0 = 2;
192RTN;
193
194XHANDLE:            // Exception Handler 3
195    R0 = 10;
196    R1 = 11;
197    R2 = 12;
198    R3 = 13;
199RTX;
200
201HWHANDLE:           // HW Error Handler 5
202    R2 = 5;
203RTI;
204
205THANDLE:            // Timer Handler 6
206    R3 = 6;
207RTI;
208
209I7HANDLE:           // IVG 7 Handler
210    R4 = 7;
211RTI;
212
213I8HANDLE:           // IVG 8 Handler
214    R5 = 8;
215RTI;
216
217I9HANDLE:           // IVG 9 Handler
218    R6 = 9;
219RTI;
220
221I10HANDLE:          // IVG 10 Handler
222    R7 = 10;
223RTI;
224
225I11HANDLE:          // IVG 11 Handler
226    R0 = 11;
227RTI;
228
229I12HANDLE:          // IVG 12 Handler
230    R1 = 12;
231RTI;
232
233I13HANDLE:          // IVG 13 Handler
234    R2 = 13;
235RTI;
236
237I14HANDLE:          // IVG 14 Handler
238    R3 = 14;
239RTI;
240
241I15HANDLE:          // IVG 15 Handler
242    R4 = 15;
243RTI;
244
245NOP;NOP;NOP;NOP;NOP;NOP;NOP; // needed for icache bug
246
247//
248// Data Segment
249//
250
251.data
252DATA:
253    .space (0x10);
254
255// Stack Segments (Both Kernel and User)
256
257    .space (STACKSIZE);
258KSTACK:
259
260    .space (STACKSIZE);
261USTACK:
262