Subversion Repositories HelenOS

Rev

Rev 94 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 94 Rev 100
Line 34... Line 34...
34 
context_save:
 34 
context_save:
35 
	alloc loc0 = ar.pfs, 1, 11, 0, 0
 35 
	alloc loc0 = ar.pfs, 1, 11, 0, 0
36 
	mov loc1 = ar.unat	;;
 36 
	mov loc1 = ar.unat	;;
37 
	/* loc2 */
 37 
	/* loc2 */
38 
	mov loc3 = ar.rsc
 38 
	mov loc3 = ar.rsc
- 
 
 39 
 
- 
 
 40 
	.auto
- 
 
 41 
 
- 
 
 42 
	/*
- 
 
 43 
	 * Flush dirty registers to backing store.
- 
 
 44 
	 * After this ar.bsp and ar.bspstore are equal.
- 
 
 45 
	 */
- 
 
 46 
	flushrs
39 
	mov loc4 = ar.bsp
 47 
	mov loc4 = ar.bsp
- 
 
 48
- 
 
 49 
	/*
- 
 
 50 
	 * Put RSE to enforced lazy mode.
- 
 
 51 
	 * So that ar.rnat can be read.
- 
 
 52 
	 */
- 
 
 53 
	movl loc5 = ~3
- 
 
 54 
	and loc5 = loc3, loc5
- 
 
 55 
	mov ar.rsc = loc5
40 
	mov loc5 = ar.rnat
 56 
	mov loc5 = ar.rnat
- 
 
 57 
 
- 
 
 58 
	.explicit
- 
 
 59 
 
41 
	mov loc6 = ar.lc
 60 
	mov loc6 = ar.lc
42 
	mov loc7 = ar.ec
 61 
	mov loc7 = ar.ec
43 
	mov loc8 = ar.ccv
 62 
	mov loc8 = ar.ccv
44 
	mov loc9 = ar.csd
 63 
	mov loc9 = ar.csd
45 
	mov loc10 = ar.ssd
 64 
	mov loc10 = ar.ssd
Line 143... Line 162...
143 
	ld8 loc7 = [in0], 8	;;	/* load ar.ec */
 162 
	ld8 loc7 = [in0], 8	;;	/* load ar.ec */
144 
	ld8 loc8 = [in0], 8	;;	/* load ar.ccv */
 163 
	ld8 loc8 = [in0], 8	;;	/* load ar.ccv */
145 
	ld8 loc9 = [in0], 8	;;	/* load ar.csd */
 164 
	ld8 loc9 = [in0], 8	;;	/* load ar.csd */
146 
	ld8 loc10 = [in0], 8	;;	/* load ar.ssd */
 165 
	ld8 loc10 = [in0], 8	;;	/* load ar.ssd */
147
166
- 
 
 167 
	.auto
- 
 
 168 
 
- 
 
 169 
	/*
- 
 
 170 
	 * Invalidate the ALAT
- 
 
 171 
	 */
- 
 
 172 
	invala
- 
 
 173 
 
148 
	/*
 174 
	/*
149 
	 * Restore application registers
 175 
	 * Restore application registers
150 
	 */
 176 
	 */
- 
 
 177 
 
- 
 
 178 
	mov ar.bspstore = loc4
- 
 
 179 
	mov ar.rnat = loc5
- 
 
 180 
	mov ar.pfs = loc0
- 
 
 181 
	mov ar.rsc = loc3
- 
 
 182 
 
- 
 
 183 
	.explicit
- 
 
 184 
 
151 
	mov ar.unat = loc2	;;
 185 
	mov ar.unat = loc2	;;
152 
	/* TODO: restore ar.rsc, ar.rnat, ar.bspstore */
- 
 
153 
	mov ar.lc = loc6
 186 
	mov ar.lc = loc6
154 
	mov ar.ec = loc7
 187 
	mov ar.ec = loc7
155 
	mov ar.ccv = loc8
 188 
	mov ar.ccv = loc8
156 
	mov ar.csd = loc9
 189 
	mov ar.csd = loc9
157 
	mov ar.ssd = loc10
 190 
	mov ar.ssd = loc10
Line 215... Line 248...
215 
	 * Restore predicate registers
 248 
	 * Restore predicate registers
216 
	 */
 249 
	 */
217 
	ld8 loc2 = [in0], 8	;;
 250 
	ld8 loc2 = [in0], 8	;;
218 
	mov pr = loc2, ~0
 251 
	mov pr = loc2, ~0
219
252
220 
	mov ar.pfs = loc0
 - 
 
221 
	mov ar.unat = loc1
 253 
	mov ar.unat = loc1
222
254
223 
	mov r8 = r0			/* context_restore returns 0 */
 255 
	mov r8 = r0			/* context_restore returns 0 */
224 
	br.ret.sptk.many b0
 256 
	br.ret.sptk.many b0