| /tags/0.1.1/uspace/libc/arch/mips32/src/thread.c |
|---|
| 0,0 → 1,50 |
| /* |
| * 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. |
| */ |
| #include <thread.h> |
| #include <malloc.h> |
| /** Allocate TLS & TCB for initial module threads |
| * |
| * @param data (out) Start of TLS section |
| * @param size Size of tdata+tbss section |
| * @return pointer to tcb_t structure |
| */ |
| tcb_t * __alloc_tls(void **data, size_t size) |
| { |
| tcb_t *result; |
| result = malloc(sizeof(tcb_t) + size); |
| *data = ((void *)result) + sizeof(tcb_t); |
| return result; |
| } |
| void __free_tls_arch(tcb_t *tcb, size_t size) |
| { |
| free(tcb); |
| } |
| /tags/0.1.1/uspace/libc/arch/mips32/src/entry.s |
|---|
| 0,0 → 1,64 |
| # |
| # Copyright (C) 2005 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. |
| # |
| .text |
| .section .init, "ax" |
| .global __start |
| .set noreorder |
| .option pic2 |
| ## User-space task entry point |
| # |
| # |
| .ent __start |
| __start: |
| .frame $sp, 32, $31 |
| .cpload $25 |
| # Mips o32 may store its arguments on stack, make space (16 bytes), |
| # so that it could work with -O0 |
| # Make space additional 16 bytes for the stack frame |
| addiu $sp, -32 |
| .cprestore 16 # Allow PIC code |
| jal __main |
| nop |
| jal main |
| nop |
| jal __exit |
| nop |
| .end __start |
| # Alignment of output section data to 0x4000 |
| .section .data |
| .align 14 |
| /tags/0.1.1/uspace/libc/arch/mips32/src/thread_entry.s |
|---|
| 0,0 → 1,59 |
| # |
| # 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 |
| .set noat |
| .set noreorder |
| .option pic2 |
| .globl __thread_entry |
| ## User-space thread entry point for all but the first threads. |
| # |
| # |
| .ent __thread_entry |
| __thread_entry: |
| .frame $sp, 32, $31 |
| .cpload $25 |
| # |
| # v0 contains address of uarg. |
| # |
| add $4, $2, 0 |
| # Mips o32 may store its arguments on stack, make space |
| addiu $sp, -32 |
| .cprestore 16 |
| jal __thread_main |
| nop |
| # |
| # Not reached. |
| # |
| .end __thread_entry |
| /tags/0.1.1/uspace/libc/arch/mips32/src/psthread.S |
|---|
| 0,0 → 1,91 |
| # |
| # Copyright (C) 2003-2004 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 |
| .set noat |
| .set noreorder |
| #include <arch/asm/regname.h> |
| #include <libarch/context_offset.h> |
| .global context_save |
| .global context_restore |
| .macro CONTEXT_STORE r |
| sw $s0,OFFSET_S0(\r) |
| sw $s1,OFFSET_S1(\r) |
| sw $s2,OFFSET_S2(\r) |
| sw $s3,OFFSET_S3(\r) |
| sw $s4,OFFSET_S4(\r) |
| sw $s5,OFFSET_S5(\r) |
| sw $s6,OFFSET_S6(\r) |
| sw $s7,OFFSET_S7(\r) |
| sw $s8,OFFSET_S8(\r) |
| sw $gp,OFFSET_GP(\r) |
| sw $k1,OFFSET_TLS(\r) |
| sw $ra,OFFSET_PC(\r) |
| sw $sp,OFFSET_SP(\r) |
| .endm |
| .macro CONTEXT_LOAD r |
| lw $s0,OFFSET_S0(\r) |
| lw $s1,OFFSET_S1(\r) |
| lw $s2,OFFSET_S2(\r) |
| lw $s3,OFFSET_S3(\r) |
| lw $s4,OFFSET_S4(\r) |
| lw $s5,OFFSET_S5(\r) |
| lw $s6,OFFSET_S6(\r) |
| lw $s7,OFFSET_S7(\r) |
| lw $s8,OFFSET_S8(\r) |
| lw $gp,OFFSET_GP(\r) |
| lw $k1,OFFSET_TLS(\r) |
| lw $ra,OFFSET_PC(\r) |
| lw $sp,OFFSET_SP(\r) |
| .endm |
| context_save: |
| CONTEXT_STORE $a0 |
| # context_save returns 1 |
| j $ra |
| li $v0, 1 |
| context_restore: |
| CONTEXT_LOAD $a0 |
| # Just for the jump into first function, but one instruction |
| # should not bother us |
| move $t9, $ra |
| # context_restore returns 0 |
| j $ra |
| xor $v0, $v0 |
| /tags/0.1.1/uspace/libc/arch/mips32/src/syscall.c |
|---|
| 0,0 → 1,54 |
| /* |
| * Copyright (C) 2005 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. |
| */ |
| #include <libc.h> |
| sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, |
| const sysarg_t p3, const sysarg_t p4, |
| const syscall_t id) |
| { |
| register sysarg_t __mips_reg_a0 asm("$4") = p1; |
| register sysarg_t __mips_reg_a1 asm("$5") = p2; |
| register sysarg_t __mips_reg_a2 asm("$6") = p3; |
| register sysarg_t __mips_reg_a3 asm("$7") = p4; |
| register sysarg_t __mips_reg_v0 asm("$2") = id; |
| asm volatile ( |
| "syscall\n" |
| : "=r" (__mips_reg_v0) |
| : "r" (__mips_reg_a0), |
| "r" (__mips_reg_a1), |
| "r" (__mips_reg_a2), |
| "r" (__mips_reg_a3), |
| "r" (__mips_reg_v0) |
| : "%ra" /* We are a function call, although C does not |
| * know it */ |
| ); |
| return __mips_reg_v0; |
| } |