//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 |