| /uspace/trunk/libc/arch/amd64/include/atomic_arch.h |
|---|
| File deleted |
| /uspace/trunk/libc/arch/amd64/include/context_offset.h |
|---|
| 0,0 → 1,10 |
| /* This file is automatically generated by gencontext.c. */ |
| #define OFFSET_SP 0x0 |
| #define OFFSET_PC 0x8 |
| #define OFFSET_RBX 0x10 |
| #define OFFSET_RBP 0x18 |
| #define OFFSET_R12 0x20 |
| #define OFFSET_R13 0x28 |
| #define OFFSET_R14 0x30 |
| #define OFFSET_R15 0x38 |
| #define OFFSET_TLS 0x40 |
| /uspace/trunk/libc/arch/amd64/include/psthread.h |
|---|
| 0,0 → 1,58 |
| /* |
| * 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. |
| */ |
| #ifndef __LIBC__amd64PSTHREAD_H__ |
| #define __LIBC__amd64PSTHREAD_H__ |
| #include <types.h> |
| /* According to ABI the stack MUST be aligned on |
| * 16-byte boundary. If it is not, the va_arg calling will |
| * panic sooner or later |
| */ |
| #define SP_DELTA 16 |
| /* We include only registers that must be preserved |
| * during function call |
| */ |
| typedef struct { |
| uint64_t sp; |
| uint64_t pc; |
| uint64_t rbx; |
| uint64_t rbp; |
| uint64_t r12; |
| uint64_t r13; |
| uint64_t r14; |
| uint64_t r15; |
| uint64_t tls; |
| } context_t; |
| #endif |
| /uspace/trunk/libc/arch/amd64/include/atomic.h |
|---|
| 0,0 → 1,69 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __amd64_ATOMIC_H__ |
| #define __amd64_ATOMIC_H__ |
| static inline void atomic_inc(atomic_t *val) { |
| __asm__ volatile ("lock incq %0\n" : "=m" (val->count)); |
| } |
| static inline void atomic_dec(atomic_t *val) { |
| __asm__ volatile ("lock decq %0\n" : "=m" (val->count)); |
| } |
| static inline long atomic_postinc(atomic_t *val) |
| { |
| long r; |
| __asm__ volatile ( |
| "movq $1, %0\n" |
| "lock xaddq %0, %1\n" |
| : "=r" (r), "=m" (val->count) |
| ); |
| return r; |
| } |
| static inline long atomic_postdec(atomic_t *val) |
| { |
| long r; |
| __asm__ volatile ( |
| "movq $-1, %0\n" |
| "lock xaddq %0, %1\n" |
| : "=r" (r), "=m" (val->count) |
| ); |
| return r; |
| } |
| #define atomic_preinc(val) (atomic_postinc(val)+1) |
| #define atomic_predec(val) (atomic_postdec(val)-1) |
| #endif |
| /uspace/trunk/libc/arch/amd64/include/thread.h |
|---|
| 0,0 → 1,47 |
| /* |
| * 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. |
| */ |
| #ifndef __LIBC__amd64THREAD_H__ |
| #define __LIBC__amd64THREAD_H__ |
| #include <libc.h> |
| static inline void __tls_set(void *tls) |
| { |
| __SYSCALL1(SYS_TLS_SET, (sysarg_t) tls); |
| } |
| static inline void * __tls_get(void) |
| { |
| void * retval; |
| __asm__ ("movq %%fs:0, %0" : "=r"(retval)); |
| return retval; |
| } |
| #endif |
| /uspace/trunk/libc/arch/amd64/Makefile.inc |
|---|
| 32,6 → 32,7 |
| TARGET = amd64-linux-gnu |
| TOOLCHAIN_DIR = /usr/local/amd64/bin |
| ARCH_SOURCES += arch/$(ARCH)/src/syscall.S |
| ARCH_SOURCES += arch/$(ARCH)/src/syscall.S \ |
| arch/$(ARCH)/src/psthread.S |
| LFLAGS += -N |
| /uspace/trunk/libc/arch/amd64/src/entry.s |
|---|
| 36,6 → 36,7 |
| # |
| # |
| __entry: |
| call __main |
| call main |
| call __exit |
| /uspace/trunk/libc/arch/amd64/src/thread_entry.s |
|---|
| 38,6 → 38,6 |
| # RAX contains address of uarg |
| # |
| movq %rax, %rdi |
| call thread_main |
| call __thread_main |
| .end __thread_entry |
| /uspace/trunk/libc/arch/amd64/src/psthread.S |
|---|
| 0,0 → 1,87 |
| # |
| # Copyright (C) 2001-2004 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 |
| .global context_save |
| .global context_restore |
| #include <libarch/context_offset.h> |
| ## Save current CPU context |
| # |
| # Save CPU context to context_t variable |
| # pointed by the 1st argument. Returns 1 in EAX. |
| # |
| context_save: |
| movq (%rsp), %rdx # the caller's return %eip |
| # In %edi is passed 1st argument |
| movq %rdx, OFFSET_PC(%rdi) |
| movq %rsp, OFFSET_SP(%rdi) |
| movq %rbx, OFFSET_RBX(%rdi) |
| movq %rbp, OFFSET_RBP(%rdi) |
| movq %r12, OFFSET_R12(%rdi) |
| movq %r13, OFFSET_R13(%rdi) |
| movq %r14, OFFSET_R14(%rdi) |
| movq %r15, OFFSET_R15(%rdi) |
| # Save TLS |
| movq %fs:0, %rax |
| movq %rax, OFFSET_TLS(%rdi) |
| xorq %rax,%rax # context_save returns 1 |
| incq %rax |
| ret |
| ## Restore current CPU context |
| # |
| # Restore CPU context from context_t variable |
| # pointed by the 1st argument. Returns 0 in EAX. |
| # |
| context_restore: |
| movq OFFSET_R15(%rdi), %r15 |
| movq OFFSET_R14(%rdi), %r14 |
| movq OFFSET_R13(%rdi), %r13 |
| movq OFFSET_R12(%rdi), %r12 |
| movq OFFSET_RBP(%rdi), %rbp |
| movq OFFSET_RBX(%rdi), %rbx |
| movq OFFSET_SP(%rdi), %rsp # ctx->sp -> %rsp |
| movq OFFSET_PC(%rdi), %rdx |
| movq %rdx,(%rsp) |
| # Set thread local storage |
| movq OFFSET_TLS(%rdi), %rdi # Set arg1 to TLS addr |
| movq $1, %r8 |
| syscall |
| xorq %rax,%rax # context_restore returns 0 |
| ret |