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| 1 | # |
1 | # |
| 2 | # Copyright (C) 2005 Jakub Vana |
2 | # Copyright (C) 2005 Jakub Vana |
| - | 3 | # Copyright (C) 2005 Jakub Jermar |
|
| 3 | # All rights reserved. |
4 | # All rights reserved. |
| 4 | # |
5 | # |
| 5 | # Redistribution and use in source and binary forms, with or without |
6 | # Redistribution and use in source and binary forms, with or without |
| 6 | # modification, are permitted provided that the following conditions |
7 | # modification, are permitted provided that the following conditions |
| 7 | # are met: |
8 | # are met: |
| Line 25... | Line 26... | ||
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | # |
28 | # |
| 28 | 29 | ||
| 29 | #include <arch/stack.h> |
30 | #include <arch/stack.h> |
| - | 31 | #include <arch/register.h> |
|
| 30 | 32 | ||
| 31 | #define STACK_ITEMS 12 |
33 | #define STACK_ITEMS 12 |
| 32 | #define STACK_FRAME_SIZE ((STACK_ITEMS*STACK_ITEM_SIZE) + STACK_SCRATCH_AREA_SIZE) |
34 | #define STACK_FRAME_SIZE ((STACK_ITEMS*STACK_ITEM_SIZE) + STACK_SCRATCH_AREA_SIZE) |
| 33 | 35 | ||
| 34 | #if (STACK_FRAME_SIZE % STACK_ALIGNMENT != 0) |
36 | #if (STACK_FRAME_SIZE % STACK_ALIGNMENT != 0) |
| Line 187... | Line 189... | ||
| 187 | mov out0 = r26 |
189 | mov out0 = r26 |
| 188 | 190 | ||
| 189 | add out1 = STACK_SCRATCH_AREA_SIZE, r12 |
191 | add out1 = STACK_SCRATCH_AREA_SIZE, r12 |
| 190 | 192 | ||
| 191 | /* 6. switch to bank 1 and reenable PSR.ic */ |
193 | /* 6. switch to bank 1 and reenable PSR.ic */ |
| 192 | ssm 0x2000 |
194 | ssm PSR_IC_MASK |
| 193 | bsw.1 ;; |
195 | bsw.1 ;; |
| 194 | srlz.d |
196 | srlz.d |
| 195 | 197 | ||
| 196 | /* 7. preserve branch and application registers */ |
198 | /* 7. preserve branch and application registers */ |
| 197 | mov loc3 = ar.unat |
199 | mov loc3 = ar.unat |
| Line 305... | Line 307... | ||
| 305 | mov b5 = loc14 |
307 | mov b5 = loc14 |
| 306 | mov b6 = loc15 |
308 | mov b6 = loc15 |
| 307 | mov b7 = loc16 |
309 | mov b7 = loc16 |
| 308 | 310 | ||
| 309 | /* 15. disable PSR.ic and switch to bank 0 */ |
311 | /* 15. disable PSR.ic and switch to bank 0 */ |
| 310 | rsm 0x2000 |
312 | rsm PSR_IC_MASK |
| 311 | bsw.0 ;; |
313 | bsw.0 ;; |
| 312 | srlz.d |
314 | srlz.d |
| 313 | 315 | ||
| 314 | mov r24 = loc1 |
316 | mov r24 = loc1 |
| 315 | mov ar.pfs = loc0 |
317 | mov ar.pfs = loc0 |