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-rw-r--r--examples/nanopb/SConscript13
-rw-r--r--examples/nanopb/simple.c73
-rw-r--r--examples/nanopb/simple.options1
-rw-r--r--examples/nanopb/simple.pb.c18
-rw-r--r--examples/nanopb/simple.pb.h45
-rw-r--r--examples/nanopb/simple.proto10
-rw-r--r--include/rthw.h6
-rw-r--r--libcpu/arm/cortex-a/context_gcc.S14
-rw-r--r--src/cpu.c10
-rw-r--r--src/ipc.c4
10 files changed, 21 insertions, 173 deletions
diff --git a/examples/nanopb/SConscript b/examples/nanopb/SConscript
deleted file mode 100644
index 7c8bce9f26..0000000000
--- a/examples/nanopb/SConscript
+++ /dev/null
@@ -1,13 +0,0 @@
-Import('RTT_ROOT')
-Import('rtconfig')
-from building import *
-
-src = Split('''
-simple.c
-simple.pb.c
-''')
-CPPPATH = [RTT_ROOT + '/examples/nanopb']
-
-group = DefineGroup('Nanopb_test', src, depend = ['RT_USING_NANOPB'], CPPPATH = CPPPATH)
-
-Return('group') \ No newline at end of file
diff --git a/examples/nanopb/simple.c b/examples/nanopb/simple.c
deleted file mode 100644
index 2b793c014f..0000000000
--- a/examples/nanopb/simple.c
+++ /dev/null
@@ -1,73 +0,0 @@
-#include <rthw.h>
-#include <stm32f10x.h>
-#include <pb_encode.h>
-#include <pb_decode.h>
-#include "simple.pb.h"
-
-int nanopb_test()
-{
- /* This is the buffer where we will store our message. */
- uint8_t buffer[128];
- size_t message_length;
- bool status;
-
- /* Encode our message */
- {
- /* Allocate space on the stack to store the message data.
- *
- * Nanopb generates simple struct definitions for all the messages.
- * - check out the contents of simple.pb.h! */
- SimpleMessage message = SimpleMessage_init_zero;
-
- /* Create a stream that will write to our buffer. */
- pb_ostream_t stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
-
- /* Fill in the lucky number */
- message.lucky_number = 13;
-
- /* Now we are ready to encode the message! */
- status = pb_encode(&stream, SimpleMessage_fields, &message);
- message_length = stream.bytes_written;
-
- /* Then just check for any errors.. */
- if (!status)
- {
- rt_kprintf("Encoding failed: %s\n", PB_GET_ERROR(&stream));
- return 1;
- }
- }
-
- /* Now we could transmit the message over network, store it in a file or
- * wrap it to a pigeon's leg.
- */
-
- /* But because we are lazy, we will just decode it immediately. */
-
- {
- /* Allocate space for the decoded message. */
- SimpleMessage message;
-
- /* Create a stream that reads from the buffer. */
- pb_istream_t stream = pb_istream_from_buffer(buffer, message_length);
-
- /* Now we are ready to decode the message. */
- status = pb_decode(&stream, SimpleMessage_fields, &message);
-
- /* Check for errors... */
- if (!status)
- {
- rt_kprintf("Decoding failed: %s\n", PB_GET_ERROR(&stream));
- return 1;
- }
-
- /* Print the data contained in the message. */
- rt_kprintf("Your lucky number was %d!\n", message.lucky_number);
- }
-
- return 0;
-}
-
-#ifdef RT_USING_FINSH
-#include <finsh.h>
-FINSH_FUNCTION_EXPORT(nanopb_test, nanopb encode/decode test.)
-#endif
diff --git a/examples/nanopb/simple.options b/examples/nanopb/simple.options
deleted file mode 100644
index 90960d0d34..0000000000
--- a/examples/nanopb/simple.options
+++ /dev/null
@@ -1 +0,0 @@
-SimpleMessage.name max_size:16 \ No newline at end of file
diff --git a/examples/nanopb/simple.pb.c b/examples/nanopb/simple.pb.c
deleted file mode 100644
index eaf09e58da..0000000000
--- a/examples/nanopb/simple.pb.c
+++ /dev/null
@@ -1,18 +0,0 @@
-/* Automatically generated nanopb constant definitions */
-/* Generated by nanopb-0.3.1 at Tue Mar 10 01:16:15 2015. */
-
-#include "simple.pb.h"
-
-#if PB_PROTO_HEADER_VERSION != 30
-#error Regenerate this file with the current version of nanopb generator.
-#endif
-
-
-
-const pb_field_t SimpleMessage_fields[3] = {
- PB_FIELD( 1, INT32 , REQUIRED, STATIC , FIRST, SimpleMessage, lucky_number, lucky_number, 0),
- PB_FIELD( 2, BYTES , REQUIRED, STATIC , OTHER, SimpleMessage, name, lucky_number, 0),
- PB_LAST_FIELD
-};
-
-
diff --git a/examples/nanopb/simple.pb.h b/examples/nanopb/simple.pb.h
deleted file mode 100644
index 47521dee69..0000000000
--- a/examples/nanopb/simple.pb.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/* Automatically generated nanopb header */
-/* Generated by nanopb-0.3.1 at Tue Mar 10 01:16:15 2015. */
-
-#ifndef PB_SIMPLE_PB_H_INCLUDED
-#define PB_SIMPLE_PB_H_INCLUDED
-#include <pb.h>
-
-#if PB_PROTO_HEADER_VERSION != 30
-#error Regenerate this file with the current version of nanopb generator.
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Enum definitions */
-/* Struct definitions */
-typedef PB_BYTES_ARRAY_T(16) SimpleMessage_name_t;
-
-typedef struct _SimpleMessage {
- int32_t lucky_number;
- SimpleMessage_name_t name;
-} SimpleMessage;
-
-/* Default values for struct fields */
-
-/* Initializer values for message structs */
-#define SimpleMessage_init_default {0, {0, {0}}}
-#define SimpleMessage_init_zero {0, {0, {0}}}
-
-/* Field tags (for use in manual encoding/decoding) */
-#define SimpleMessage_lucky_number_tag 1
-#define SimpleMessage_name_tag 2
-
-/* Struct field encoding specification for nanopb */
-extern const pb_field_t SimpleMessage_fields[3];
-
-/* Maximum encoded size of messages (where known) */
-#define SimpleMessage_size 29
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif
diff --git a/examples/nanopb/simple.proto b/examples/nanopb/simple.proto
deleted file mode 100644
index 1905d0e50b..0000000000
--- a/examples/nanopb/simple.proto
+++ /dev/null
@@ -1,10 +0,0 @@
-// A very simple protocol definition, consisting of only
-// one message.
-
-message SimpleMessage {
- required int32 lucky_number = 1;
- required bytes name = 2;
-}
-
-
-
diff --git a/include/rthw.h b/include/rthw.h
index dee10b0bee..fc9cb3cd16 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -153,10 +153,10 @@ extern rt_hw_spinlock_t _rt_critical_lock;
#define __RT_HW_SPIN_LOCK_INITIALIZER(lockname) {0}
-#define __RT_HW_SPIN_LOCK_UNLOCKED(lockname) \
- (struct rt_hw_spinlock ) __RT_HW_SPIN_LOCK_INITIALIZER(lockname)
+#define __RT_HW_SPIN_LOCK_UNLOCKED(lockname) \
+ (rt_hw_spinlock_t) __RT_HW_SPIN_LOCK_INITIALIZER(lockname)
-#define RT_DEFINE_SPINLOCK(x) struct rt_hw_spinlock x = __RT_HW_SPIN_LOCK_UNLOCKED(x)
+#define RT_DEFINE_SPINLOCK(x) rt_hw_spinlock_t x = __RT_HW_SPIN_LOCK_UNLOCKED(x)
/**
* ipi function
diff --git a/libcpu/arm/cortex-a/context_gcc.S b/libcpu/arm/cortex-a/context_gcc.S
index b009630fa8..af5c516e4d 100644
--- a/libcpu/arm/cortex-a/context_gcc.S
+++ b/libcpu/arm/cortex-a/context_gcc.S
@@ -34,8 +34,9 @@ rt_hw_interrupt_enable:
bx lr
/*
- * void rt_hw_context_switch_to(rt_uint32 to);
- * r0 --> to
+ * void rt_hw_context_switch_to(rt_uint32 to, struct rt_thread *to_thread);
+ * r0 --> to (thread stack)
+ * r1 --> to_thread
*/
.globl rt_hw_context_switch_to
rt_hw_context_switch_to:
@@ -64,9 +65,10 @@ _guest_switch_lvl:
.section .text.isr, "ax"
/*
- * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to);
- * r0 --> from
- * r1 --> to
+ * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to, struct rt_thread *to_thread);
+ * r0 --> from (from_thread stack)
+ * r1 --> to (to_thread stack)
+ * r2 --> to_thread
*/
.globl rt_hw_context_switch
rt_hw_context_switch:
@@ -158,7 +160,7 @@ rt_hw_context_switch_interrupt:
bl rt_cpus_lock_status_restore
#ifdef RT_USING_LWP
- ldmfd sp, {r13,r14}^ @pop usr_sp usr_lr
+ ldmfd sp, {r13,r14}^ @pop usr_sp usr_lr
add sp, #8
#endif
diff --git a/src/cpu.c b/src/cpu.c
index 3e2d65dfb9..fe3ba21bb0 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -42,12 +42,16 @@ rt_base_t rt_cpus_lock(void)
pcpu = rt_cpu_self();
if (pcpu->current_thread != RT_NULL)
{
- if (pcpu->current_thread->cpus_lock_nest++ == 0)
+ register rt_uint16_t lock_nest = pcpu->current_thread->cpus_lock_nest;
+
+ pcpu->current_thread->cpus_lock_nest++;
+ if (lock_nest == 0)
{
pcpu->current_thread->scheduler_lock_nest++;
rt_hw_spin_lock(&_cpus_lock);
}
}
+
return level;
}
RTM_EXPORT(rt_cpus_lock);
@@ -61,7 +65,9 @@ void rt_cpus_unlock(rt_base_t level)
if (pcpu->current_thread != RT_NULL)
{
- if (--pcpu->current_thread->cpus_lock_nest == 0)
+ pcpu->current_thread->cpus_lock_nest--;
+
+ if (pcpu->current_thread->cpus_lock_nest == 0)
{
pcpu->current_thread->scheduler_lock_nest--;
rt_hw_spin_unlock(&_cpus_lock);
diff --git a/src/ipc.c b/src/ipc.c
index 74faf6ac7e..0df4f05f23 100644
--- a/src/ipc.c
+++ b/src/ipc.c
@@ -753,8 +753,8 @@ __again:
if (thread->error != RT_EOK)
{
- /* interrupt by signal, try it again */
- if (thread->error == -RT_EINTR) goto __again;
+ /* interrupt by signal, try it again */
+ if (thread->error == -RT_EINTR) goto __again;
/* return error */
return thread->error;