| /SPARTAN/trunk/arch/ia64/include/context.h |
|---|
| 31,12 → 31,40 |
| #include <arch/types.h> |
| struct context { |
| __u64 sp; |
| __u64 pc; |
| __u64 r1; |
| __u64 r2; |
| __u64 r3; |
| __u64 r4; |
| __u64 r5; |
| __u64 r6; |
| __u64 r7; |
| __u64 r8; |
| __u64 r9; |
| __u64 r10; |
| __u64 r11; |
| __u64 sp; /* r12 */ |
| __u64 r13; |
| __u64 r14; |
| __u64 r15; |
| __u64 r16; |
| __u64 r17; |
| __u64 r18; |
| __u64 r19; |
| __u64 r20; |
| __u64 r21; |
| __u64 r22; |
| __u64 r23; |
| __u64 r24; |
| __u64 r25; |
| __u64 r26; |
| __u64 r27; |
| __u64 r28; |
| __u64 r29; |
| __u64 r30; |
| __u64 r31; |
| __u64 pc; /* b0 */ |
| pri_t pri; |
| }; |
| } __attribute__ ((packed)); |
| #endif |
| /SPARTAN/trunk/arch/ia64/Makefile.inc |
|---|
| 16,6 → 16,7 |
| arch_sources= \ |
| arch/start.S \ |
| arch/asm.S \ |
| arch/fake.s \ |
| arch/putchar.c \ |
| arch/ia64.c \ |
| /SPARTAN/trunk/arch/ia64/src/asm.S |
|---|
| 0,0 → 1,40 |
| # |
| # Copyright (C) 2005 Jakub Jermar |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions |
| # are met: |
| # |
| # - Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # - Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution. |
| # - The name of the author may not be used to endorse or promote products |
| # derived from this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| .text |
| .global memcpy |
| memcpy: |
| /* |
| * Switch the role of first two arguments |
| */ |
| sub r33 = r32, r33 ;; |
| add r32 = r32, r33 ;; |
| sub r33 = r33, r32 |
| br _memcopy |
| /SPARTAN/trunk/arch/ia64/src/context.S |
|---|
| 32,7 → 32,97 |
| .global context_restore |
| context_save: |
| alloc loc0 = ar.pfs, 1, 2, 0, 0 |
| /* |
| * TODO: save the rest of the context registers. |
| */ |
| st8 [in0] = r1, 8 ;; |
| st8 [in0] = r2, 8 ;; |
| st8 [in0] = r3, 8 ;; |
| st8 [in0] = r4, 8 ;; |
| st8 [in0] = r5, 8 ;; |
| st8 [in0] = r6, 8 ;; |
| st8 [in0] = r7, 8 ;; |
| st8 [in0] = r8, 8 ;; |
| st8 [in0] = r9, 8 ;; |
| st8 [in0] = r10, 8 ;; |
| st8 [in0] = r11, 8 ;; |
| st8 [in0] = r12, 8 ;; /* save sp */ |
| st8 [in0] = r13, 8 ;; |
| st8 [in0] = r14, 8 ;; |
| st8 [in0] = r15, 8 ;; |
| st8 [in0] = r16, 8 ;; |
| st8 [in0] = r17, 8 ;; |
| st8 [in0] = r18, 8 ;; |
| st8 [in0] = r19, 8 ;; |
| st8 [in0] = r20, 8 ;; |
| st8 [in0] = r21, 8 ;; |
| st8 [in0] = r22, 8 ;; |
| st8 [in0] = r23, 8 ;; |
| st8 [in0] = r24, 8 ;; |
| st8 [in0] = r25, 8 ;; |
| st8 [in0] = r26, 8 ;; |
| st8 [in0] = r27, 8 ;; |
| st8 [in0] = r28, 8 ;; |
| st8 [in0] = r29, 8 ;; |
| st8 [in0] = r30, 8 ;; |
| st8 [in0] = r31, 8 ;; |
| /* save pc */ |
| mov loc1 = b0 ;; |
| st8 [in0] = loc1, 8 |
| mov ar.pfs = loc0 |
| add r8 = r0, r0, 1 /* context_save returns 1 */ |
| br.ret.sptk.many rp |
| context_restore: |
| br.ret.sptk.many rp |
| alloc loc0 = ar.pfs, 1, 2, 0, 0 |
| /* |
| * TODO: restore the rest of the context registers. |
| */ |
| ld8 r1 = [in0], 8 ;; |
| ld8 r2 = [in0], 8 ;; |
| ld8 r3 = [in0], 8 ;; |
| ld8 r4 = [in0], 8 ;; |
| ld8 r5 = [in0], 8 ;; |
| ld8 r6 = [in0], 8 ;; |
| ld8 r7 = [in0], 8 ;; |
| ld8 r8 = [in0], 8 ;; |
| ld8 r9 = [in0], 8 ;; |
| ld8 r10 = [in0], 8 ;; |
| ld8 r11 = [in0], 8 ;; |
| ld8 r12 = [in0], 8 ;; /* restore sp */ |
| ld8 r13 = [in0], 8 ;; |
| ld8 r14 = [in0], 8 ;; |
| ld8 r15 = [in0], 8 ;; |
| ld8 r16 = [in0], 8 ;; |
| ld8 r17 = [in0], 8 ;; |
| ld8 r18 = [in0], 8 ;; |
| ld8 r19 = [in0], 8 ;; |
| ld8 r20 = [in0], 8 ;; |
| ld8 r21 = [in0], 8 ;; |
| ld8 r22 = [in0], 8 ;; |
| ld8 r23 = [in0], 8 ;; |
| ld8 r24 = [in0], 8 ;; |
| ld8 r25 = [in0], 8 ;; |
| ld8 r26 = [in0], 8 ;; |
| ld8 r27 = [in0], 8 ;; |
| ld8 r28 = [in0], 8 ;; |
| ld8 r29 = [in0], 8 ;; |
| ld8 r30 = [in0], 8 ;; |
| ld8 r31 = [in0], 8 ;; |
| /* restore pc */ |
| ld8 loc1 = [in0], 8 ;; |
| mov b0 = loc1 |
| mov ar.pfs = loc0 |
| mov r8 = r0 /* context_restore returns 0 */ |
| br.ret.sptk.many rp |