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#include "spr_defs.h"
#include "board.h"
 
#define IC_ENABLE 0
#define DC_ENABLE 0
 
#define MC_CSR          (0x00)
#define MC_POC          (0x04)
#define MC_BA_MASK      (0x08)
#define MC_CSC(i)       (0x10 + (i) * 8)
#define MC_TMS(i)       (0x14 + (i) * 8)
 
 
        .extern _main
 
        .global _ic_enable
        .global _ic_disable
        .global _dc_enable
        .global _dc_disable
        .global _dc_inv
        .global _ic_inv_test
        .global _dc_inv_test
 
        .section .stack
        .space 0x1000
_stack:
 
              .section .reset, "ax"
 
        .org    0x100
_reset_vector:
        l.addi  r2,r0,0x0
        l.addi  r3,r0,0x0
        l.addi  r4,r0,0x0
        l.addi  r5,r0,0x0
        l.addi  r6,r0,0x0
        l.addi  r7,r0,0x0
        l.addi  r8,r0,0x0
        l.addi  r9,r0,0x0
        l.addi  r10,r0,0x0
        l.addi  r11,r0,0x0
        l.addi  r12,r0,0x0
        l.addi  r13,r0,0x0
        l.addi  r14,r0,0x0
        l.addi  r15,r0,0x0
        l.addi  r16,r0,0x0
        l.addi  r17,r0,0x0
        l.addi  r18,r0,0x0
        l.addi  r19,r0,0x0
        l.addi  r20,r0,0x0
        l.addi  r21,r0,0x0
        l.addi  r22,r0,0x0
        l.addi  r23,r0,0x0
        l.addi  r24,r0,0x0
        l.addi  r25,r0,0x0
        l.addi  r26,r0,0x0
        l.addi  r27,r0,0x0
        l.addi  r28,r0,0x0
        l.addi  r29,r0,0x0
        l.addi  r30,r0,0x0
        l.addi  r31,r0,0x0
 
        l.movhi r3,hi(start)
        l.ori   r3,r3,lo(start)
        l.jr    r3
        l.nop
start:
        l.jal   _init_mc
        l.nop
 
        l.movhi r1,hi(_stack)
        l.ori   r1,r1,lo(_stack)
 
        /* Copy data section */
        l.movhi r3,hi(_src_beg)
        l.ori   r3,r3,lo(_src_beg)
        l.movhi r4,hi(_dst_beg)
        l.ori   r4,r4,lo(_dst_beg)
        l.movhi r5,hi(_dst_end)
        l.ori   r5,r5,lo(_dst_end)
        l.sub   r5,r5,r4
        l.sfeqi r5,0
        l.bf    2f
        l.nop
1:      l.lwz   r6,0(r3)
        l.sw    0(r4),r6
        l.addi  r3,r3,4
        l.addi  r4,r4,4
        l.addi  r5,r5,-4
        l.sfgtsi r5,0
        l.bf    1b
        l.nop
2:
        l.movhi r2,hi(_main)
        l.ori   r2,r2,lo(_main)
        l.jr    r2
        l.nop
 
_init_mc:
 
        l.movhi r3,hi(MC_BASE_ADDR)
        l.ori   r3,r3,lo(MC_BASE_ADDR)
 
        l.addi  r4,r3,MC_CSC(0)
        l.movhi r5,hi(FLASH_BASE_ADDR)
        l.srai  r5,r5,6
        l.ori   r5,r5,0x0025
        l.sw    0(r4),r5
 
        l.addi  r4,r3,MC_TMS(0)
        l.movhi r5,hi(FLASH_TMS_VAL)
        l.ori   r5,r5,lo(FLASH_TMS_VAL)
        l.sw    0(r4),r5
 
        l.addi  r4,r3,MC_BA_MASK
        l.addi  r5,r0,MC_MASK_VAL
        l.sw    0(r4),r5
 
        l.addi  r4,r3,MC_CSR
        l.movhi r5,hi(MC_CSR_VAL)
        l.ori   r5,r5,lo(MC_CSR_VAL)
        l.sw    0(r4),r5
 
        l.addi  r4,r3,MC_TMS(1)
        l.movhi r5,hi(SDRAM_TMS_VAL)
        l.ori   r5,r5,lo(SDRAM_TMS_VAL)
        l.sw    0(r4),r5
 
        l.addi  r4,r3,MC_CSC(1)
        l.movhi r5,hi(SDRAM_BASE_ADDR)
        l.srai  r5,r5,6
        l.ori   r5,r5,0x0411
        l.sw    0(r4),r5
 
        l.jr    r9
        l.nop
 
 
        .section .text
 
_ic_enable:
        /* Disable IC */
        l.mfspr r13,r0,SPR_SR
        l.addi  r11,r0,-1
        l.xori  r11,r11,SPR_SR_ICE
        l.and   r11,r13,r11
        l.mtspr r0,r11,SPR_SR
 
        /* Invalidate IC */
        l.addi  r13,r0,0
        l.addi  r11,r0,8192
1:
        l.mtspr r0,r13,SPR_ICBIR
        l.sfne  r13,r11
        l.bf    1b
        l.addi  r13,r13,16
 
        /* Enable IC */
        l.mfspr r13,r0,SPR_SR
        l.ori   r13,r13,SPR_SR_ICE
        l.mtspr r0,r13,SPR_SR
        l.nop
        l.nop
        l.nop
        l.nop
        l.nop
 
        l.jr    r9
        l.nop
 
_ic_disable:
        /* Disable IC */
        l.mfspr r13,r0,SPR_SR
        l.addi  r11,r0,-1
        l.xori  r11,r11,SPR_SR_ICE
        l.and   r11,r13,r11
        l.mtspr r0,r11,SPR_SR
 
        l.jr    r9
        l.nop
 
_dc_enable:
        /* Disable DC */
        l.mfspr r13,r0,SPR_SR
        l.addi  r11,r0,-1
        l.xori  r11,r11,SPR_SR_DCE
        l.and   r11,r13,r11
        l.mtspr r0,r11,SPR_SR
 
        /* Flush DC */
        l.addi  r13,r0,0
        l.addi  r11,r0,8192
1:
        l.mtspr r0,r13,SPR_DCBIR
        l.sfne  r13,r11
        l.bf    1b
        l.addi  r13,r13,16
 
        /* Enable DC */
        l.mfspr r13,r0,SPR_SR
        l.ori   r13,r13,SPR_SR_DCE
        l.mtspr r0,r13,SPR_SR
 
        l.jr    r9
        l.nop
 
_dc_disable:
        /* Disable DC */
        l.mfspr r13,r0,SPR_SR
        l.addi  r11,r0,-1
        l.xori  r11,r11,SPR_SR_DCE
        l.and   r11,r13,r11
        l.mtspr r0,r11,SPR_SR
 
        l.jr    r9
        l.nop
 
_dc_inv:
        l.mfspr r4,r0,SPR_SR
        l.addi  r5,r0,-1
        l.xori  r5,r5,SPR_SR_DCE
        l.and   r5,r4,r5
        l.mtspr r0,r5,SPR_SR
        l.mtspr r0,r3,SPR_DCBIR
        l.mtspr r0,r4,SPR_SR
        l.jr    r9
        l.nop
 
        .align  0x10
_ic_inv_test:
        l.movhi r7,hi(_ic_test_1)
        l.ori   r7,r7,lo(_ic_test_1)
        l.addi  r3,r0,0
        l.addi  r4,r0,0
        l.addi  r5,r0,0
        l.nop
        l.nop
        l.nop
 
_ic_test_1:
3:      l.addi  r3,r3,1
 
        l.sfeqi r4,0x01
        l.bnf   1f
        l.nop
 
        l.mfspr r8,r0,SPR_SR
        l.addi  r11,r0,-1
        l.xori  r11,r11,SPR_SR_ICE
        l.and   r11,r8,r11
        l.mtspr r0,r11,SPR_SR
        l.mtspr r0,r7,SPR_ICBIR
        l.mtspr r0,r8,SPR_SR
        l.bf    2f
        l.nop
 
1:      l.lwz   r6,0(r7)
        l.addi  r6,r6,1
        l.sw    0(r7),r6
 
2:      l.addi  r5,r5,1
        l.sfeqi r5,10
        l.bnf   3b
        l.xori  r4,r4,0x01
 
        l.addi  r11,r3,0
        l.jr    r9
        l.nop
 
_dc_inv_test:
        l.movhi r4,hi(0x08040201)
        l.ori   r4,r4,lo(0x08040201)
        l.sw    0x00(r3),r4
        l.slli  r4,r4,1
        l.sw    0x14(r3),r4
        l.slli  r4,r4,1
        l.sw    0x28(r3),r4
 
        l.addi  r8,r9,0
        l.jal   _dc_enable
        l.nop
        l.addi  r9,r8,0
 
        l.lbz   r4,0x03(r3)
        l.lhz   r5,0x16(r3)
        l.add   r4,r4,r5
        l.lwz   r5,0x28(r3)
        l.add   r4,r4,r5
 
        l.mfspr r6,r0,SPR_SR
        l.addi  r5,r0,-1
        l.xori  r5,r5,SPR_SR_DCE
        l.and   r5,r6,r5
        l.mtspr r0,r5,SPR_SR
        l.addi  r7,r3,0x10
        l.mtspr r0,r7,SPR_DCBIR
 
        l.lwz   r5,0(r3)
        l.slli  r5,r5,3
        l.sw    0x00(r3),r5
        l.slli  r5,r5,1
        l.sw    0x14(r3),r5
        l.slli  r5,r5,1
        l.sw    0x28(r3),r5
 
        l.mtspr r0,r6,SPR_SR
 
        l.lbz   r5,0x03(r3)
        l.add   r4,r4,r5
        l.lhz   r5,0x16(r3)
        l.add   r4,r4,r5
        l.lwz   r5,0x28(r3)
        l.add   r4,r4,r5
 
        l.addi  r5,r0,-1
        l.xori  r5,r5,SPR_SR_DCE
        l.and   r5,r6,r5
        l.mtspr r0,r5,SPR_SR
 
        l.addi  r11,r4,0x0
1:
        l.jr  r9
        l.nop

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[/] [or1k/] [branches/] [stable_0_2_x/] [or1ksim/] [testbench/] [cache_asm.S] - Blame information for rev 970

Line No.	Rev	Author	Line
1	621	simons	`#include "spr_defs.h"`
2	970	simons	`#include "board.h"`
3	621	simons
4			`#define IC_ENABLE 0`
5			`#define DC_ENABLE 0`
6
7	970	simons	`#define MC_CSR (0x00)`
8			`#define MC_POC (0x04)`
9			`#define MC_BA_MASK (0x08)`
10			`#define MC_CSC(i) (0x10 + (i) * 8)`
11			`#define MC_TMS(i) (0x14 + (i) * 8)`
12
13
14			`.extern _main`
15
16	621	simons	`.global _ic_enable`
17			`.global _ic_disable`
18			`.global _dc_enable`
19			`.global _dc_disable`
20			`.global _dc_inv`
21			`.global _ic_inv_test`
22			`.global _dc_inv_test`
23
24	970	simons	`.section .stack`
25			`.space 0x1000`
26			`_stack:`
27
28			`.section .reset, "ax"`
29
30			`.org 0x100`
31			`_reset_vector:`
32			`l.addi r2,r0,0x0`
33			`l.addi r3,r0,0x0`
34			`l.addi r4,r0,0x0`
35			`l.addi r5,r0,0x0`
36			`l.addi r6,r0,0x0`
37			`l.addi r7,r0,0x0`
38			`l.addi r8,r0,0x0`
39			`l.addi r9,r0,0x0`
40			`l.addi r10,r0,0x0`
41			`l.addi r11,r0,0x0`
42			`l.addi r12,r0,0x0`
43			`l.addi r13,r0,0x0`
44			`l.addi r14,r0,0x0`
45			`l.addi r15,r0,0x0`
46			`l.addi r16,r0,0x0`
47			`l.addi r17,r0,0x0`
48			`l.addi r18,r0,0x0`
49			`l.addi r19,r0,0x0`
50			`l.addi r20,r0,0x0`
51			`l.addi r21,r0,0x0`
52			`l.addi r22,r0,0x0`
53			`l.addi r23,r0,0x0`
54			`l.addi r24,r0,0x0`
55			`l.addi r25,r0,0x0`
56			`l.addi r26,r0,0x0`
57			`l.addi r27,r0,0x0`
58			`l.addi r28,r0,0x0`
59			`l.addi r29,r0,0x0`
60			`l.addi r30,r0,0x0`
61			`l.addi r31,r0,0x0`
62
63			`l.movhi r3,hi(start)`
64			`l.ori r3,r3,lo(start)`
65			`l.jr r3`
66			`l.nop`
67			`start:`
68			`l.jal _init_mc`
69			`l.nop`
70
71			`l.movhi r1,hi(_stack)`
72			`l.ori r1,r1,lo(_stack)`
73
74			`/* Copy data section */`
75			`l.movhi r3,hi(_src_beg)`
76			`l.ori r3,r3,lo(_src_beg)`
77			`l.movhi r4,hi(_dst_beg)`
78			`l.ori r4,r4,lo(_dst_beg)`
79			`l.movhi r5,hi(_dst_end)`
80			`l.ori r5,r5,lo(_dst_end)`
81			`l.sub r5,r5,r4`
82			`l.sfeqi r5,0`
83			`l.bf 2f`
84			`l.nop`
85			`1: l.lwz r6,0(r3)`
86			`l.sw 0(r4),r6`
87			`l.addi r3,r3,4`
88			`l.addi r4,r4,4`
89			`l.addi r5,r5,-4`
90			`l.sfgtsi r5,0`
91			`l.bf 1b`
92			`l.nop`
93			`2:`
94			`l.movhi r2,hi(_main)`
95			`l.ori r2,r2,lo(_main)`
96			`l.jr r2`
97			`l.nop`
98
99			`_init_mc:`
100
101			`l.movhi r3,hi(MC_BASE_ADDR)`
102			`l.ori r3,r3,lo(MC_BASE_ADDR)`
103
104			`l.addi r4,r3,MC_CSC(0)`
105			`l.movhi r5,hi(FLASH_BASE_ADDR)`
106			`l.srai r5,r5,6`
107			`l.ori r5,r5,0x0025`
108			`l.sw 0(r4),r5`
109
110			`l.addi r4,r3,MC_TMS(0)`
111			`l.movhi r5,hi(FLASH_TMS_VAL)`
112			`l.ori r5,r5,lo(FLASH_TMS_VAL)`
113			`l.sw 0(r4),r5`
114
115			`l.addi r4,r3,MC_BA_MASK`
116			`l.addi r5,r0,MC_MASK_VAL`
117			`l.sw 0(r4),r5`
118
119			`l.addi r4,r3,MC_CSR`
120			`l.movhi r5,hi(MC_CSR_VAL)`
121			`l.ori r5,r5,lo(MC_CSR_VAL)`
122			`l.sw 0(r4),r5`
123
124			`l.addi r4,r3,MC_TMS(1)`
125			`l.movhi r5,hi(SDRAM_TMS_VAL)`
126			`l.ori r5,r5,lo(SDRAM_TMS_VAL)`
127			`l.sw 0(r4),r5`
128
129			`l.addi r4,r3,MC_CSC(1)`
130			`l.movhi r5,hi(SDRAM_BASE_ADDR)`
131			`l.srai r5,r5,6`
132			`l.ori r5,r5,0x0411`
133			`l.sw 0(r4),r5`
134
135			`l.jr r9`
136			`l.nop`
137
138
139			`.section .text`
140
141	621	simons	`_ic_enable:`
142			`/* Disable IC */`
143			`l.mfspr r13,r0,SPR_SR`
144			`l.addi r11,r0,-1`
145			`l.xori r11,r11,SPR_SR_ICE`
146			`l.and r11,r13,r11`
147			`l.mtspr r0,r11,SPR_SR`
148
149			`/* Invalidate IC */`
150			`l.addi r13,r0,0`
151			`l.addi r11,r0,8192`
152			`1:`
153			`l.mtspr r0,r13,SPR_ICBIR`
154			`l.sfne r13,r11`
155			`l.bf 1b`
156			`l.addi r13,r13,16`
157
158			`/* Enable IC */`
159			`l.mfspr r13,r0,SPR_SR`
160			`l.ori r13,r13,SPR_SR_ICE`
161			`l.mtspr r0,r13,SPR_SR`
162			`l.nop`
163			`l.nop`
164			`l.nop`
165			`l.nop`
166			`l.nop`
167
168			`l.jr r9`
169			`l.nop`
170
171			`_ic_disable:`
172			`/* Disable IC */`
173			`l.mfspr r13,r0,SPR_SR`
174			`l.addi r11,r0,-1`
175			`l.xori r11,r11,SPR_SR_ICE`
176			`l.and r11,r13,r11`
177			`l.mtspr r0,r11,SPR_SR`
178
179			`l.jr r9`
180			`l.nop`
181
182			`_dc_enable:`
183			`/* Disable DC */`
184			`l.mfspr r13,r0,SPR_SR`
185			`l.addi r11,r0,-1`
186			`l.xori r11,r11,SPR_SR_DCE`
187			`l.and r11,r13,r11`
188			`l.mtspr r0,r11,SPR_SR`
189
190			`/* Flush DC */`
191			`l.addi r13,r0,0`
192			`l.addi r11,r0,8192`
193			`1:`
194			`l.mtspr r0,r13,SPR_DCBIR`
195			`l.sfne r13,r11`
196			`l.bf 1b`
197			`l.addi r13,r13,16`
198
199			`/* Enable DC */`
200			`l.mfspr r13,r0,SPR_SR`
201			`l.ori r13,r13,SPR_SR_DCE`
202			`l.mtspr r0,r13,SPR_SR`
203
204			`l.jr r9`
205			`l.nop`
206
207			`_dc_disable:`
208			`/* Disable DC */`
209			`l.mfspr r13,r0,SPR_SR`
210			`l.addi r11,r0,-1`
211			`l.xori r11,r11,SPR_SR_DCE`
212			`l.and r11,r13,r11`
213			`l.mtspr r0,r11,SPR_SR`
214
215			`l.jr r9`
216			`l.nop`
217
218			`_dc_inv:`
219			`l.mfspr r4,r0,SPR_SR`
220			`l.addi r5,r0,-1`
221			`l.xori r5,r5,SPR_SR_DCE`
222			`l.and r5,r4,r5`
223			`l.mtspr r0,r5,SPR_SR`
224			`l.mtspr r0,r3,SPR_DCBIR`
225			`l.mtspr r0,r4,SPR_SR`
226			`l.jr r9`
227			`l.nop`
228
229			`.align 0x10`
230			`_ic_inv_test:`
231			`l.movhi r7,hi(_ic_test_1)`
232			`l.ori r7,r7,lo(_ic_test_1)`
233			`l.addi r3,r0,0`
234			`l.addi r4,r0,0`
235			`l.addi r5,r0,0`
236			`l.nop`
237			`l.nop`
238			`l.nop`
239
240			`_ic_test_1:`
241			`3: l.addi r3,r3,1`
242
243			`l.sfeqi r4,0x01`
244			`l.bnf 1f`
245			`l.nop`
246
247			`l.mfspr r8,r0,SPR_SR`
248			`l.addi r11,r0,-1`
249			`l.xori r11,r11,SPR_SR_ICE`
250			`l.and r11,r8,r11`
251			`l.mtspr r0,r11,SPR_SR`
252			`l.mtspr r0,r7,SPR_ICBIR`
253			`l.mtspr r0,r8,SPR_SR`
254			`l.bf 2f`
255			`l.nop`
256
257			`1: l.lwz r6,0(r7)`
258			`l.addi r6,r6,1`
259			`l.sw 0(r7),r6`
260
261			`2: l.addi r5,r5,1`
262			`l.sfeqi r5,10`
263			`l.bnf 3b`
264			`l.xori r4,r4,0x01`
265
266			`l.addi r11,r3,0`
267			`l.jr r9`
268			`l.nop`
269
270			`_dc_inv_test:`
271			`l.movhi r4,hi(0x08040201)`
272			`l.ori r4,r4,lo(0x08040201)`
273			`l.sw 0x00(r3),r4`
274			`l.slli r4,r4,1`
275			`l.sw 0x14(r3),r4`
276			`l.slli r4,r4,1`
277			`l.sw 0x28(r3),r4`
278
279			`l.addi r8,r9,0`
280			`l.jal _dc_enable`
281			`l.nop`
282			`l.addi r9,r8,0`
283
284			`l.lbz r4,0x03(r3)`
285			`l.lhz r5,0x16(r3)`
286			`l.add r4,r4,r5`
287			`l.lwz r5,0x28(r3)`
288			`l.add r4,r4,r5`
289
290			`l.mfspr r6,r0,SPR_SR`
291			`l.addi r5,r0,-1`
292			`l.xori r5,r5,SPR_SR_DCE`
293			`l.and r5,r6,r5`
294			`l.mtspr r0,r5,SPR_SR`
295			`l.addi r7,r3,0x10`
296			`l.mtspr r0,r7,SPR_DCBIR`
297
298			`l.lwz r5,0(r3)`
299			`l.slli r5,r5,3`
300			`l.sw 0x00(r3),r5`
301			`l.slli r5,r5,1`
302			`l.sw 0x14(r3),r5`
303			`l.slli r5,r5,1`
304			`l.sw 0x28(r3),r5`
305
306			`l.mtspr r0,r6,SPR_SR`
307
308			`l.lbz r5,0x03(r3)`
309			`l.add r4,r4,r5`
310			`l.lhz r5,0x16(r3)`
311			`l.add r4,r4,r5`
312			`l.lwz r5,0x28(r3)`
313			`l.add r4,r4,r5`
314
315			`l.addi r5,r0,-1`
316			`l.xori r5,r5,SPR_SR_DCE`
317			`l.and r5,r6,r5`
318			`l.mtspr r0,r5,SPR_SR`
319
320			`l.addi r11,r4,0x0`
321			`1:`
322			`l.jr r9`
323			`l.nop`