| /tags/0.2.0.5/uspace/libc/arch/sparc64/src/thread_entry.s |
|---|
| 0,0 → 1,43 |
| # |
| # 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. |
| # |
| .text |
| .globl __thread_entry |
| ## User-space thread entry point for all but the first threads. |
| # |
| # |
| __thread_entry: |
| sethi %hi(_gp), %l7 |
| call __thread_main ! %o0 contains address of uarg |
| or %l7, %lo(_gp), %l7 |
| ! not reached |
| .end __thread_entry |
| /tags/0.2.0.5/uspace/libc/arch/sparc64/src/entry.s |
|---|
| 0,0 → 1,57 |
| # |
| # Copyright (c) 2006 Martin Decky |
| # 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. |
| # |
| .section .init, "ax" |
| .org 0 |
| .globl __entry |
| .globl __entry_driver |
| ## User-space task entry point |
| # |
| # |
| __entry: |
| sethi %hi(_gp), %l7 |
| call __main |
| or %l7, %lo(_gp), %l7 |
| call __io_init |
| nop |
| call main |
| nop |
| call __exit |
| nop |
| __entry_driver: |
| sethi %hi(_gp), %l7 |
| call __main |
| or %l7, %lo(_gp), %l7 |
| call main |
| nop |
| call __exit |
| nop |
| /tags/0.2.0.5/uspace/libc/arch/sparc64/src/thread.c |
|---|
| 0,0 → 1,81 |
| /* |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * 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. |
| */ |
| /** @addtogroup libcsparc64 sparc64 |
| * @ingroup lc |
| * @{ |
| */ |
| /** @file |
| * |
| */ |
| #include <thread.h> |
| #include <malloc.h> |
| /* |
| * sparc64 uses thread-local storage data structures, variant II, as described |
| * in: |
| * Drepper U.: ELF Handling For Thread-Local Storage, 2005 |
| */ |
| /** Allocate TLS variant II data structures for a thread. |
| * |
| * Only static model is supported. |
| * |
| * @param data Pointer to pointer to thread local data. This is actually an |
| * output argument. |
| * @param size Size of thread local data. |
| * @return Pointer to TCB structure. |
| */ |
| tcb_t * __alloc_tls(void **data, size_t size) |
| { |
| tcb_t *tcb; |
| *data = malloc(sizeof(tcb_t) + size); |
| tcb = (tcb_t *) (*data + size); |
| tcb->self = tcb; |
| return tcb; |
| } |
| /** Free TLS variant II data structures of a thread. |
| * |
| * Only static model is supported. |
| * |
| * @param tcb Pointer to TCB structure. |
| * @param size Size of thread local data. |
| */ |
| void __free_tls_arch(tcb_t *tcb, size_t size) |
| { |
| void *start = ((void *) tcb) - size; |
| free(start); |
| } |
| /** @} |
| */ |
| /tags/0.2.0.5/uspace/libc/arch/sparc64/src/psthread.S |
|---|
| 0,0 → 1,97 |
| # |
| # 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. |
| # |
| #include <libarch/context_offset.h> |
| .text |
| .global context_save |
| .global context_restore |
| .macro CONTEXT_STORE r |
| stx %sp, [\r + OFFSET_SP] |
| stx %o7, [\r + OFFSET_PC] |
| stx %i0, [\r + OFFSET_I0] |
| stx %i1, [\r + OFFSET_I1] |
| stx %i2, [\r + OFFSET_I2] |
| stx %i3, [\r + OFFSET_I3] |
| stx %i4, [\r + OFFSET_I4] |
| stx %i5, [\r + OFFSET_I5] |
| stx %fp, [\r + OFFSET_FP] |
| stx %i7, [\r + OFFSET_I7] |
| stx %l0, [\r + OFFSET_L0] |
| stx %l1, [\r + OFFSET_L1] |
| stx %l2, [\r + OFFSET_L2] |
| stx %l3, [\r + OFFSET_L3] |
| stx %l4, [\r + OFFSET_L4] |
| stx %l5, [\r + OFFSET_L5] |
| stx %l6, [\r + OFFSET_L6] |
| stx %l7, [\r + OFFSET_L7] |
| stx %g7, [\r + OFFSET_TP] |
| .endm |
| .macro CONTEXT_LOAD r |
| ldx [\r + OFFSET_SP], %sp |
| ldx [\r + OFFSET_PC], %o7 |
| ldx [\r + OFFSET_I0], %i0 |
| ldx [\r + OFFSET_I1], %i1 |
| ldx [\r + OFFSET_I2], %i2 |
| ldx [\r + OFFSET_I3], %i3 |
| ldx [\r + OFFSET_I4], %i4 |
| ldx [\r + OFFSET_I5], %i5 |
| ldx [\r + OFFSET_FP], %fp |
| ldx [\r + OFFSET_I7], %i7 |
| ldx [\r + OFFSET_L0], %l0 |
| ldx [\r + OFFSET_L1], %l1 |
| ldx [\r + OFFSET_L2], %l2 |
| ldx [\r + OFFSET_L3], %l3 |
| ldx [\r + OFFSET_L4], %l4 |
| ldx [\r + OFFSET_L5], %l5 |
| ldx [\r + OFFSET_L6], %l6 |
| ldx [\r + OFFSET_L7], %l7 |
| ldx [\r + OFFSET_TP], %g7 |
| .endm |
| context_save: |
| CONTEXT_STORE %o0 |
| retl |
| mov 1, %o0 ! context_save_arch returns 1 |
| context_restore: |
| # |
| # Flush all active windows. |
| # This is essential, because CONTEXT_LOAD overwrites |
| # %sp of CWP - 1 with the value written to %fp of CWP. |
| # Flushing all active windows mitigates this problem |
| # as CWP - 1 becomes the overlap window. |
| # |
| flushw |
| CONTEXT_LOAD %o0 |
| retl |
| xor %o0, %o0, %o0 ! context_restore_arch returns 0 |