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authorAshwin Sekhar T K <ashwin.sekhar@caviumnetworks.com>2017-07-04 01:22:40 -0700
committerThomas Monjalon <thomas@monjalon.net>2017-07-04 15:19:22 +0200
commitde88718f638cc1fdea1e7b3152aed4e8e8031a7a (patch)
treec16fb83b2a270790035117093b34b900bf78d6d9 /examples/performance-thread
parent8152e00dce1972be8ad3a39804d65cf8a67a3211 (diff)
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examples/performance-thread: reorganise arch code
Moved the architecture dependent stack set code to architecture specific directory. Signed-off-by: Ashwin Sekhar T K <ashwin.sekhar@caviumnetworks.com>
Diffstat (limited to 'examples/performance-thread')
-rw-r--r--examples/performance-thread/common/arch/x86/stack.h94
-rw-r--r--examples/performance-thread/common/common.mk8
-rw-r--r--examples/performance-thread/common/lthread.c11
3 files changed, 102 insertions, 11 deletions
diff --git a/examples/performance-thread/common/arch/x86/stack.h b/examples/performance-thread/common/arch/x86/stack.h
new file mode 100644
index 0000000..adb8e4f
--- /dev/null
+++ b/examples/performance-thread/common/arch/x86/stack.h
@@ -0,0 +1,94 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Intel Corporation. All rights reserved.
+ * Copyright(c) Cavium networks Ltd. 2017.
+ * 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.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 COPYRIGHT
+ * OWNER OR CONTRIBUTORS 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.
+ */
+
+/*
+ * Some portions of this software is derived from the
+ * https://github.com/halayli/lthread which carrys the following license.
+ *
+ * Copyright (C) 2012, Hasan Alayli <halayli@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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 STACK_H
+#define STACK_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "lthread_int.h"
+
+/*
+ * Sets up the initial stack for the lthread.
+ */
+static inline void
+arch_set_stack(struct lthread *lt, void *func)
+{
+ char *stack_top = (char *)(lt->stack) + lt->stack_size;
+ void **s = (void **)stack_top;
+
+ /* set initial context */
+ s[-3] = NULL;
+ s[-2] = (void *)lt;
+ lt->ctx.rsp = (void *)(stack_top - (4 * sizeof(void *)));
+ lt->ctx.rbp = (void *)(stack_top - (3 * sizeof(void *)));
+ lt->ctx.rip = func;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STACK_H_ */
diff --git a/examples/performance-thread/common/common.mk b/examples/performance-thread/common/common.mk
index f6cab77..532dbf6 100644
--- a/examples/performance-thread/common/common.mk
+++ b/examples/performance-thread/common/common.mk
@@ -37,8 +37,12 @@
MKFILE_PATH=$(abspath $(dir $(lastword $(MAKEFILE_LIST))))
-VPATH := $(MKFILE_PATH) $(MKFILE_PATH)/arch/x86
+ifeq ($(CONFIG_RTE_ARCH_X86_64),y)
+ARCH_PATH += $(MKFILE_PATH)/arch/x86
+endif
+
+VPATH := $(MKFILE_PATH) $(ARCH_PATH)
SRCS-y += lthread.c lthread_sched.c lthread_cond.c lthread_tls.c lthread_mutex.c lthread_diag.c ctx.c
-INCLUDES += -I$(MKFILE_PATH) -I$(MKFILE_PATH)/arch/x86/
+INCLUDES += -I$(MKFILE_PATH) -I$(ARCH_PATH)
diff --git a/examples/performance-thread/common/lthread.c b/examples/performance-thread/common/lthread.c
index 062275a..7d76c8c 100644
--- a/examples/performance-thread/common/lthread.c
+++ b/examples/performance-thread/common/lthread.c
@@ -76,6 +76,7 @@
#include <rte_log.h>
#include <ctx.h>
+#include <stack.h>
#include "lthread_api.h"
#include "lthread.h"
@@ -190,19 +191,11 @@ _lthread_init(struct lthread *lt,
*/
void _lthread_set_stack(struct lthread *lt, void *stack, size_t stack_size)
{
- char *stack_top = (char *)stack + stack_size;
- void **s = (void **)stack_top;
-
/* set stack */
lt->stack = stack;
lt->stack_size = stack_size;
- /* set initial context */
- s[-3] = NULL;
- s[-2] = (void *)lt;
- lt->ctx.rsp = (void *)(stack_top - (4 * sizeof(void *)));
- lt->ctx.rbp = (void *)(stack_top - (3 * sizeof(void *)));
- lt->ctx.rip = (void *)_lthread_exec;
+ arch_set_stack(lt, _lthread_exec);
}
/*