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13#include <asm/asmmacro.h>
14#include <asm/kregs.h>
15#include <asm/page.h>
16#include <asm/pgtable.h>
17#include <asm/mca_asm.h>
18
19
20
21GLOBAL_ENTRY(relocate_new_kernel)
22 .prologue
23 alloc r31=ar.pfs,4,0,0,0
24 .body
25.reloc_entry:
26{
27 rsm psr.i| psr.ic
28 mov r2=ip
29}
30 ;;
31{
32 flushrs
33 srlz.i
34}
35 ;;
36 dep r2=0,r2,61,3
37 ;;
38
39 add r3=1f-.reloc_entry, r2
40 movl r16 = IA64_PSR_AC|IA64_PSR_BN|IA64_PSR_IC
41 mov ar.rsc=0
42 ;;
43 add sp=(memory_stack_end - 16 - .reloc_entry),r2
44 add r8=(register_stack - .reloc_entry),r2
45 ;;
46 mov r18=ar.rnat
47 mov ar.bspstore=r8
48 ;;
49 mov cr.ipsr=r16
50 mov cr.iip=r3
51 mov cr.ifs=r0
52 srlz.i
53 ;;
54 mov ar.rnat=r18
55 rfi
56 ;;
571:
58
59 mov b6=in1
60 dep r28=0,in2,61,3
61
62
63#define O(member) IA64_CPUINFO_
64 GET_THIS_PADDR(r2, ia64_cpu_info)
65 ;;
66 addl r17=O(PTCE_STRIDE),r2
67 addl r2=O(PTCE_BASE),r2
68 ;;
69 ld8 r18=[r2],(O(PTCE_COUNT)-O(PTCE_BASE));;
70 ld4 r19=[r2],4
71 ld4 r21=[r17],4
72 ;;
73 ld4 r20=[r2]
74 ld4 r22=[r17]
75 mov r24=r0
76 ;;
77 adds r20=-1,r20
78 ;;
79#undef O
802:
81 cmp.ltu p6,p7=r24,r19
82(p7) br.cond.dpnt.few 4f
83 mov ar.lc=r20
843:
85 ptc.e r18
86 ;;
87 add r18=r22,r18
88 br.cloop.sptk.few 3b
89 ;;
90 add r18=r21,r18
91 add r24=1,r24
92 ;;
93 br.sptk.few 2b
944:
95 srlz.i
96 ;;
97
98 movl r16=KERNEL_START
99 mov r18=KERNEL_TR_PAGE_SHIFT<<2
100 ;;
101 ptr.i r16, r18
102 ptr.d r16, r18
103 ;;
104 srlz.i
105 ;;
106
107
108 mov r16=in3
109 mov r18=IA64_GRANULE_SHIFT<<2
110 ;;
111 ptr.i r16,r18
112 ;;
113 srlz.i
114 ;;
115
116
117 mov r16=IA64_KR(CURRENT_STACK)
118 ;;
119 shl r16=r16,IA64_GRANULE_SHIFT
120 movl r19=PAGE_OFFSET
121 ;;
122 add r16=r19,r16
123 mov r18=IA64_GRANULE_SHIFT<<2
124 ;;
125 ptr.d r16,r18
126 ;;
127 srlz.i
128 ;;
129
130
131 movl r16=PAGE_MASK
132 mov r30=in0
133 br.sptk.few .dest_page
134 ;;
135.loop:
136 ld8 r30=[in0], 8;;
137.dest_page:
138 tbit.z p0, p6=r30, 0;;
139(p6) and r17=r30, r16
140(p6) br.cond.sptk.few .loop;;
141
142 tbit.z p0, p6=r30, 1;;
143(p6) and in0=r30, r16
144(p6) br.cond.sptk.few .loop;;
145
146 tbit.z p0, p6=r30, 2;;
147(p6) br.cond.sptk.few .end_loop;;
148
149 tbit.z p6, p0=r30, 3;;
150(p6) br.cond.sptk.few .loop
151
152 and r18=r30, r16
153
154
155 movl r14=PAGE_SIZE/8 - 1;;
156 mov ar.lc=r14;;
1571:
158 ld8 r14=[r18], 8;;
159 st8 [r17]=r14;;
160 fc.i r17
161 add r17=8, r17
162 br.ctop.sptk.few 1b
163 br.sptk.few .loop
164 ;;
165
166.end_loop:
167 sync.i
168 ;;
169 srlz.i
170 ;;
171 srlz.d
172 ;;
173 br.call.sptk.many b0=b6;;
174
175.align 32
176memory_stack:
177 .fill 8192, 1, 0
178memory_stack_end:
179register_stack:
180 .fill 8192, 1, 0
181register_stack_end:
182relocate_new_kernel_end:
183END(relocate_new_kernel)
184
185.global relocate_new_kernel_size
186relocate_new_kernel_size:
187 data8 relocate_new_kernel_end - relocate_new_kernel
188
189GLOBAL_ENTRY(ia64_dump_cpu_regs)
190 .prologue
191 alloc loc0=ar.pfs,1,2,0,0
192 .body
193 mov ar.rsc=0
194 add loc1=4*8, in0
195 ;;
196{
197 flushrs
198 srlz.i
199}
200 st8 [loc1]=r4, 8
201 ;;
202 st8 [loc1]=r5, 8
203 ;;
204 add loc1=32*8, in0
205 mov r4=ar.rnat
206 ;;
207 st8 [in0]=r0, 8
208 st8 [loc1]=r4, 8
209 mov r5=pr
210 ;;
211 st8 [in0]=r1, 8
212 st8 [loc1]=r5, 8
213 mov r4=b0
214 ;;
215 st8 [in0]=r2, 8
216 st8 [loc1]=r4, 8
217 mov r5=b1;
218 ;;
219 st8 [in0]=r3, 24
220 st8 [loc1]=r5, 8
221 mov r4=b2
222 ;;
223 st8 [in0]=r6, 8
224 st8 [loc1]=r4, 8
225 mov r5=b3
226 ;;
227 st8 [in0]=r7, 8
228 st8 [loc1]=r5, 8
229 mov r4=b4
230 ;;
231 st8 [in0]=r8, 8
232 st8 [loc1]=r4, 8
233 mov r5=b5
234 ;;
235 st8 [in0]=r9, 8
236 st8 [loc1]=r5, 8
237 mov r4=b6
238 ;;
239 st8 [in0]=r10, 8
240 st8 [loc1]=r5, 8
241 mov r5=b7
242 ;;
243 st8 [in0]=r11, 8
244 st8 [loc1]=r5, 8
245 mov r4=b0
246 ;;
247 st8 [in0]=r12, 8
248 st8 [loc1]=r4, 8
249 mov r5=loc0
250 ;;
251 st8 [in0]=r13, 8
252 extr.u r5=r5, 0, 38
253 mov r4=r0
254 ;;
255 st8 [in0]=r14, 8
256 st8 [loc1]=r5, 8
257 ;;
258 st8 [in0]=r15, 8
259 st8 [loc1]=r4, 8
260 mov r5=ar.rsc
261 ;;
262 st8 [in0]=r16, 8
263 st8 [loc1]=r5, 8
264 mov r4=ar.bsp
265 ;;
266 st8 [in0]=r17, 8
267 st8 [loc1]=r4, 8
268 mov r5=ar.bspstore
269 ;;
270 st8 [in0]=r18, 8
271 st8 [loc1]=r5, 8
272 mov r4=ar.rnat
273 ;;
274 st8 [in0]=r19, 8
275 st8 [loc1]=r4, 8
276 mov r5=ar.ccv
277 ;;
278 st8 [in0]=r20, 8
279 st8 [loc1]=r5, 8
280 mov r4=ar.unat
281 ;;
282 st8 [in0]=r21, 8
283 st8 [loc1]=r4, 8
284 mov r5 = ar.fpsr
285 ;;
286 st8 [in0]=r22, 8
287 st8 [loc1]=r5, 8
288 mov r4 = ar.unat
289 ;;
290 st8 [in0]=r23, 8
291 st8 [loc1]=r4, 8
292 mov r5 = ar.fpsr
293 ;;
294 st8 [in0]=r24, 8
295 st8 [loc1]=r5, 8
296 mov r4 = ar.pfs
297 ;;
298 st8 [in0]=r25, 8
299 st8 [loc1]=r4, 8
300 mov r5 = ar.lc
301 ;;
302 st8 [in0]=r26, 8
303 st8 [loc1]=r5, 8
304 mov r4 = ar.ec
305 ;;
306 st8 [in0]=r27, 8
307 st8 [loc1]=r4, 8
308 mov r5 = ar.csd
309 ;;
310 st8 [in0]=r28, 8
311 st8 [loc1]=r5, 8
312 mov r4 = ar.ssd
313 ;;
314 st8 [in0]=r29, 8
315 st8 [loc1]=r4, 8
316 ;;
317 st8 [in0]=r30, 8
318 ;;
319 st8 [in0]=r31, 8
320 mov ar.pfs=loc0
321 ;;
322 br.ret.sptk.many rp
323END(ia64_dump_cpu_regs)
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