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improve NEC V850 porting 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1705 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
dzzxzz 2011-09-09 10:08:52 +00:00
parent f7d1ca323b
commit 46a823ed91
13 changed files with 276 additions and 448 deletions
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This is an internal working file generated by the Source Browser.
10:24 01s
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<settings>
<name>E1NWIV850</name>
<archiveVersion>6</archiveVersion>
<data>
<version>2</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>E1NWIMandatory</name>
<state>0</state>
</option>
<option>
<name>E1NWISuppressLoad</name>
<state>0</state>
</option>
<option>
<name>E1NWIVerifyLoad</name>
<state>0</state>
</option>
<option>
<name>E1NWIEraseFlash</name>
<state>0</state>
</option>
<option>
<name>E1NWIMINICUBESpeed</name>
<state>1</state>
</option>
<option>
<name>E1nwiDoLogfile</name>
<state>0</state>
</option>
<option>
<name>E1nwiLogFile</name>
<state>$PROJ_DIR$\cspycomm.log</state>
</option>
</data>
</settings>
<settings>
<name>E1NWIE2RV850</name>
<archiveVersion>6</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>MICE2RMandatory</name>
<state>0</state>
</option>
<option>
<name>E1NWIE2RSuppressLoad</name>
<state>0</state>
</option>
<option>
<name>E1NWIE2RVerifyLoad</name>
<state>0</state>
</option>
<option>
<name>E1NWIE2RDoLogfile</name>
<state>0</state>
</option>
<option>
<name>E1NWIE2RLogFile</name>
<state>$PROJ_DIR$\cspycomm.log</state>
</option>
</data>
</settings>
<settings>
<name>E1SERIALV850</name>
<archiveVersion>6</archiveVersion>
<data>
<version>0</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
<name>E1SERIALMandatory</name>
<state>0</state>
</option>
<option>
<name>E1SERIALSuppressLoad</name>
<state>0</state>
</option>
<option>
<name>E1SERIALVerifyLoad</name>
<state>0</state>
</option>
<option>
<name>E1SERIALEraseFlash</name>
<state>0</state>
</option>
<option>
<name>E1SERIALDoLogfile</name>
<state>0</state>
</option>
<option>
<name>E1SERIALLogFile</name>
<state>$PROJ_DIR$\cspycomm.log</state>
</option>
</data>
</settings>
<settings>
<name>EMUV850</name>
<archiveVersion>6</archiveVersion>
@ -768,6 +970,10 @@
<file>$TOOLKIT_DIR$\plugins\rtos\embOS\embOSPlugin.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\uCOS-II\uCOS-II-286-KA-CSpy.ewplugin</file>
<loadFlag>0</loadFlag>
</plugin>
<plugin>
<file>$TOOLKIT_DIR$\plugins\rtos\uCOS-II\uCOS-II-KA-CSpy.ewplugin</file>
<loadFlag>0</loadFlag>

51
bsp/upd70f3454/upd70f3454.ewp
View File

@ -128,7 +128,7 @@
<name>ICCV850</name>
<archiveVersion>4</archiveVersion>
<data>
<version>15</version>
<version>16</version>
<wantNonLocal>1</wantNonLocal>
<debug>1</debug>
<option>
@ -173,7 +173,7 @@
</option>
<option>
<name>CCDiagSuppress</name>
<state></state>
<state>Pa050</state>
</option>
<option>
<name>CCDiagRemark</name>
@ -261,10 +261,6 @@
<name>CCLibConfigHeader</name>
<state>1</state>
</option>
<option>
<name>CCRequirePrototypes</name>
<state>0</state>
</option>
<option>
<name>CCCharIs</name>
<state>1</state>
@ -273,10 +269,6 @@
<name>CCExt</name>
<state>0</state>
</option>
<option>
<name>CCLangSelect</name>
<state>0</state>
</option>
<option>
<name>CompilerMisraOverride</name>
<state>0</state>
@ -351,6 +343,18 @@
<name>CCAggressiveInlining</name>
<state>0</state>
</option>
<option>
<name>IccLang</name>
<state>0</state>
</option>
<option>
<name>CCRequirePrototypes2</name>
<state>0</state>
</option>
<option>
<name>CCCppDialect</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
@ -955,7 +959,7 @@
<name>ICCV850</name>
<archiveVersion>4</archiveVersion>
<data>
<version>15</version>
<version>16</version>
<wantNonLocal>1</wantNonLocal>
<debug>0</debug>
<option>
@ -1088,10 +1092,6 @@
<name>CCLibConfigHeader</name>
<state>1</state>
</option>
<option>
<name>CCRequirePrototypes</name>
<state>0</state>
</option>
<option>
<name>CCCharIs</name>
<state>1</state>
@ -1100,10 +1100,6 @@
<name>CCExt</name>
<state>0</state>
</option>
<option>
<name>CCLangSelect</name>
<state>0</state>
</option>
<option>
<name>CompilerMisraOverride</name>
<state>0</state>
@ -1175,6 +1171,18 @@
<name>CCAggressiveInlining</name>
<state>0</state>
</option>
<option>
<name>IccLang</name>
<state>0</state>
</option>
<option>
<name>CCRequirePrototypes2</name>
<state>0</state>
</option>
<option>
<name>CCCppDialect</name>
<state>1</state>
</option>
</data>
</settings>
<settings>
@ -1799,10 +1807,7 @@
<name>$PROJ_DIR$\..\..\libcpu\v850\context.asm</name>
</file>
<file>
<name>$PROJ_DIR$\..\..\libcpu\v850\interrupt.c</name>
</file>
<file>
<name>$PROJ_DIR$\..\..\libcpu\v850\stack.c</name>
<name>$PROJ_DIR$\..\..\libcpu\v850\cpuport.c</name>
</file>
</group>
<file>

46
libcpu/v850/context.asm
View File

@ -40,8 +40,6 @@
PUBLIC rt_hw_interrupt_disable
PUBLIC rt_hw_interrupt_enable
PUBLIC rt_hw_context_switch_to
PUBLIC rt_hw_context_switch
PUBLIC rt_hw_context_switch_interrupt
PUBLIC OSCtxSW
PUBLIC OS_Restore_CPU_Context
@ -121,14 +119,6 @@ rt_hw_context_switch_to:
OSCtxSW:
SAVE_CPU_CTX ;Save all CPU registers
mov rt_thread_switch_interrupt_flag, r1
ld.w 0[r1],r5
cmp 0, r5
be exit
mov 0, r5
st.b r5, 0[r1]
mov rt_interrupt_from_thread, r21
ld.w 0[r21], r21
@ -138,44 +128,10 @@ OSCtxSW:
ld.w 0[r1], r1
ld.w 0[r1], sp
exit:
;Restore all Processor registers from stack and return from interrupt
jr OS_Restore_CPU_Context
;R1 -> rt_interrupt_from_thread
;R5 -> rt_interrupt_to_thread
rt_hw_context_switch:
mov rt_thread_switch_interrupt_flag, r8
ld.w 0[r8],r9
cmp 1, r9
be jump1
;mov rt_thread_switch_interrupt_flag, r1
mov 1, r9
st.b r9, 0[r8]
mov rt_interrupt_from_thread, r10
st.w r1, 0[r10]
jump1
mov rt_interrupt_to_thread, r11
st.w r5, 0[r11]
trap 0x10
jmp [lp]
rt_hw_context_switch_interrupt:
mov rt_thread_switch_interrupt_flag, r8
ld.w 0[r8],r9
cmp 1, r9
be jump2
;mov rt_thread_switch_interrupt_flag, r1
mov 1, r9
st.b r9, 0[r8]
mov rt_interrupt_from_thread, r10
st.w r1, 0[r10]
jump2
mov rt_interrupt_to_thread, r11
st.w r5, 0[r11]
jmp [lp]
rt_hw_context_switch_interrupt_do
rt_hw_context_switch_interrupt_do:
mov rt_thread_switch_interrupt_flag, r8
mov 0, r9
st.b r9, 0[r8]

47
libcpu/v850/stack.c → libcpu/v850/cpuport.c
View File

@ -1,7 +1,7 @@
/*
* File : stack.c
* File : cpuport.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
* COPYRIGHT (C) 2009 - 2011, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
@ -9,14 +9,30 @@
*
* Change Logs:
* Date Author Notes
* 2010-06-29 lgnq the first version
*
* For : NEC V850E
* Toolchain : IAR Embedded Workbench for V850 v3.71
*/
* 2011-02-23 Bernard the first version
*/
#include <rtthread.h>
extern volatile rt_uint8_t rt_interrupt_nest;
/* switch flag on interrupt and thread pointer to save switch record */
rt_uint32_t rt_interrupt_from_thread;
rt_uint32_t rt_interrupt_to_thread;
rt_uint32_t rt_thread_switch_interrupt_flag;
/**
* This function will initialize hardware interrupt
*/
void rt_hw_interrupt_init(void)
{
/* init interrupt nest, and context in thread sp */
rt_interrupt_nest = 0;
rt_interrupt_from_thread = 0;
rt_interrupt_to_thread = 0;
rt_thread_switch_interrupt_flag = 0;
}
/**
* This function will initialize thread stack
*
@ -59,3 +75,20 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *stack_ad
*(--stk) = (rt_uint32_t) parameter; /* r1 */
return ((rt_uint8_t *)stk);
}
void rt_hw_context_switch(rt_uint32_t from, rt_uint32_t to)
{
rt_interrupt_from_thread = from;
rt_interrupt_to_thread = to;
asm("trap 0x10");
}
void rt_hw_context_switch_interrupt(rt_uint32_t from, rt_uint32_t to)
{
if (rt_thread_switch_interrupt_flag != 1)
{
rt_thread_switch_interrupt_flag = 1;
rt_interrupt_from_thread = from;
}
rt_interrupt_to_thread = to;
}

22
libcpu/v850/interrupt.c
View File

@ -1,22 +0,0 @@
/*
* File : interrupt.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-06-29 lgnq the first version
*
* For : NEC V850E
* Toolchain : IAR Embedded Workbench for V850 v3.71
*/
#include <rtthread.h>
rt_uint32_t rt_interrupt_from_thread;
rt_uint32_t rt_interrupt_to_thread;
rt_uint32_t rt_thread_switch_interrupt_flag;