| 0,0 → 1,69 |
|---|
| # |
| # Copyright (c) 2006 Martin Decky |
| # Copyright (c) 2006 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. |
| # |
| |
| #include <stack.h> |
| |
| .section BOOTSTRAP, "ax" |
| |
| .global start |
| start: |
| |
| mov ar.rsc = r0 |
| # movl r8 = (VRN_KERNEL << VRN_SHIFT) ;; |
| movl r1 = 0x100000 |
| movl r8 = initial_stack ;; |
| mov ar.bspstore = r8 |
| loadrs |
| |
| # initialize memory stack to some sane value |
| movl r12 = initial_stack_top ;; |
| |
| add r12 = -16, r12 /* allocate a scratch area on the stack */ |
| |
| # initialize gp (Global Pointer) register |
| #movl r1 = _hardcoded_load_address |
| |
| ssm (1 << 19) ;; /* Disable f32 - f127 */ |
| srlz.i |
| srlz.d ;; |
| |
| movl r18 = bootstrap ;; |
| mov b1 = r18 ;; |
| br.call.sptk.many b0 = b1 |
| |
| |
| .section bss, "ax" |
| |
| .align 8192 |
| |
| initial_stack: |
| nop.m 0 |
| |
| .align 8192 |
| initial_stack_top: |