update x86.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1950 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/x86/SConscript

@@ -0,0 +1,14 @@
+# for module compiling
+import os
+Import('RTT_ROOT')
+
+cwd = str(Dir('#'))
+objs = []
+list = os.listdir(cwd)
+
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        objs = objs + SConscript(os.path.join(d, 'SConscript'))
+
+Return('objs')

bsp/x86/SConstruct

@@ -0,0 +1,28 @@
+import os
+import sys
+import rtconfig
+
+RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
+sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
+from building import *
+
+TARGET = 'rtthread.' + rtconfig.TARGET_EXT
+
+env = Environment(tools = ['mingw'],
+	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
+	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
+	AR = rtconfig.AR, ARFLAGS = '-rc',
+	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
+env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
+
+Export('RTT_ROOT')
+Export('rtconfig')
+
+# prepare building environment
+objs = PrepareBuilding(env, RTT_ROOT)
+
+# build program 
+env.Program(TARGET, objs)
+
+# end building 
+EndBuilding(TARGET)

bsp/x86/application.c

@@ -1,28 +0,0 @@
-/*
- * File      : application.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
- *
- * Change Logs:
- * Date           Author       Notes
- * 2006-09-15     QiuYi        the first version
- */
-
-/**
- * @addtogroup QEMU
- */
-/*@{*/
-
-/**
- * This function will be invoked to initalize user application when system startup.
- */
-int rt_application_init()
-{
-	return 0;	/* empty */
-}
-
-/*@}*/

bsp/x86/applications/SConscript

@@ -0,0 +1,11 @@
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+cwd     = os.path.join(str(Dir('#')), 'applications')
+src	= Glob('*.c')
+CPPPATH = [cwd, str(Dir('#'))]
+
+group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

bsp/x86/applications/application.c

@@ -0,0 +1,95 @@
+/*
+ * File      : application.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://openlab.rt-thread.com/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2006-09-15     QiuYi        the first version
+ */
+
+/**
+ * @addtogroup QEMU
+ */
+/*@{*/
+
+#include <rtthread.h>
+
+ALIGN(RT_ALIGN_SIZE)
+static char thread_led1_stack[1024];
+struct rt_thread thread_led1;
+static void rt_thread_entry_led1(void* parameter)
+{
+    unsigned int count=0;
+    while (1)
+    {
+        /* led1 on */
+#ifndef RT_USING_FINSH
+        rt_kprintf("led1 on,count : %d\r\n",count);
+#endif
+        count++;
+        /* sleep 0.5 second and switch to other thread */
+        rt_thread_delay(RT_TICK_PER_SECOND/2);
+
+        /* led1 off */
+#ifndef RT_USING_FINSH
+        rt_kprintf("led1 off\r\n");
+#endif
+        rt_thread_delay(RT_TICK_PER_SECOND/2);
+    }
+}
+
+ALIGN(RT_ALIGN_SIZE)
+static char thread_led2_stack[1024];
+struct rt_thread thread_led2;
+void rt_thread_entry_led2(void* parameter)
+{
+    unsigned int count=0;
+    while (1)
+    {
+        /* led2 on */
+#ifndef RT_USING_FINSH
+        rt_kprintf("led2 on,count : %d\r\n",count);
+#endif
+        count++;
+        rt_thread_delay(RT_TICK_PER_SECOND);
+
+        /* led2 off */
+#ifndef RT_USING_FINSH
+        rt_kprintf("led2 off\r\n");
+#endif
+        rt_thread_delay(RT_TICK_PER_SECOND);
+    }
+}
+
+/**
+ * This function will be invoked to initalize user application when system startup.
+ */
+int rt_application_init()
+{
+    //------- init led1 thread
+    rt_thread_init(&thread_led1,
+                   "led1",
+                   rt_thread_entry_led1,
+                   RT_NULL,
+                   &thread_led1_stack[0],
+                   sizeof(thread_led1_stack),11,5);
+    rt_thread_startup(&thread_led1);
+
+    //------- init led2 thread
+    rt_thread_init(&thread_led2,
+                   "led2",
+                   rt_thread_entry_led2,
+                   RT_NULL,
+                   &thread_led2_stack[0],
+                   sizeof(thread_led2_stack),12,5);
+    rt_thread_startup(&thread_led2);
+
+	return 0;	/* empty */
+}
+
+/*@}*/

bsp/x86/startup.c → bsp/x86/applications/startup.c

@@ -18,12 +18,18 @@
 
 #include "board.h"
 
-extern void rt_console_init(void);
-extern void rt_hw_interrupt_init(void);
+extern void rt_hw_console_init(void);
 extern void rt_hw_board_init(void);
-extern void rt_system_timer_init(void);
-extern void rt_system_scheduler_init(void);
-extern void rt_thread_idle_init(void);
+extern int  rt_application_init(void);
+//extern void rt_hw_interrupt_init(void);
+//extern void rt_system_timer_init(void);
+//extern void rt_system_scheduler_init(void);
+//extern void rt_thread_idle_init(void);
+
+#ifdef RT_USING_FINSH
+extern void finsh_system_init(void);
+extern void finsh_set_device(const char* device);
+#endif
 
 extern unsigned char __bss_start[];
 extern unsigned char __bss_end[];
@@ -41,9 +47,6 @@ void rt_hw_clear_bss()
 	while(dst < __bss_end) *dst++ = 0;
 }
 
-extern void finsh_system_init(void);
-extern int  rt_application_init(void);
-
 /**
  * This function will startup RT-Thread RTOS
  */
@@ -51,55 +54,56 @@ void rtthread_startup()
 {
 	/* clear .bss */
 	rt_hw_clear_bss();
-	
+
 	/* init hardware interrupt */
 	rt_hw_interrupt_init();
-	
+
 	/* init the console */
-	rt_console_init();
-	
+	rt_hw_console_init();
+	rt_console_set_device("console");
+
 	/* init board */
 	rt_hw_board_init();
-	
+
 	rt_show_version();
-	
+
 	/* init tick */
-	rt_system_tick_init();
-	
+	rt_system_tick_init();
+
 	/* init kernel object */
 	rt_system_object_init();
-	
+
 	/* init timer system */
 	rt_system_timer_init();
-	
+
 	/* init memory system */
-#ifdef RT_USING_HEAP
-	//rt_system_heap_init();
+#ifdef RT_USING_HEAP
+    rt_system_heap_init((void*)&__bss_end, (void*)(1024UL*1024*8)); /* RAM 16M */
 #endif
-	
+
 	/* init scheduler system */
 	rt_system_scheduler_init();
-	
+
 	/* init application */
 	rt_application_init();
-	
-	/* init the finsh input */
-	rt_hw_finsh_init();
-	
+
+#ifdef RT_USING_FINSH
 	/* init finsh */
 	finsh_system_init();
-	
+	finsh_set_device("console");
+#endif
+
 #ifdef RT_USING_HOOK
 	/* set idle thread hook */
 	rt_thread_idle_sethook(RT_NULL);
 #endif
-	
+
 	/* init idle thread */
 	rt_thread_idle_init();
-	
+
 	/* start scheduler */
 	rt_system_scheduler_start();
-	
+
 	/* never reach here */
 	return ;
 

bsp/x86/build/Makefile

@@ -1,59 +0,0 @@
-KERNEL_ROOT=.
-
-include $(KERNEL_ROOT)/config.mk
-
-SRC_DIR = src libcpu
-MAKE_CMD=
-
-ifeq ($(RT_USING_FINSH), 1)
-SRC_DIR += finsh
-MAKE_CMD+= RT_USING_FINSH=1
-endif
-
-ifeq ($(RT_USING_LWIP), 1)
-SRC_DIR += net
-MAKE_CMD+= RT_USING_LWIP=1
-endif
-
-ifeq ($(RT_USING_EFSL), 1)
-SRC_DIR += filesystem
-MAKE_CMD+= RT_USING_EFSL=1
-endif
-
-ifeq ($(RT_USING_RTGUI), 1)
-SRC_DIR += rtgui
-MAKE_CMD+= RT_USING_RTGUI=1
-endif
-
-ifeq ($(RT_USING_CPLUSPLUS), 1)
-SRC_DIR += cplusplus
-endif
-
-ifeq ($(RT_USING_NEWLIB), 1)
-SRC_DIR += libc
-else
-ifeq ($(RT_USING_MINILIBC), 1)
-SRC_DIR += libc
-endif
-endif
-
-SRC_DIR += bsp
-
-all:
-	for dir in $(SRC_DIR); do				\
-		make -C $$dir $(MAKE_CMD);			\
-	done
-
-clean :
-	for dir in $(SRC_DIR); do				\
-		make -C $$dir clean $(MAKE_CMD);	\
-	done
-
-test:
-	make -C testsuite
-
-docs:
-	$(DOXYGEN) Doxyfile
-
-dist-clean: clean
-	make -C testsuite clean

bsp/x86/build/bsp/Makefile

@@ -1,9 +0,0 @@
-KERNEL_ROOT=..
-
-include $(KERNEL_ROOT)/config.mk
-
-all:
-	make -C $(BOARD)
-
-clean:
-	make -C $(BOARD) clean

bsp/x86/build/bsp/qemu/Makefile

@@ -1,39 +0,0 @@
-KERNEL_ROOT=../..
-
-include $(KERNEL_ROOT)/config.mk
-
-SRC	= board.c startup.c keyboard.c console.c serial.c
-APP	= application.o
-OBJ	= $(SRC:.c=.o)
-BIN	= rtthread-$(BOARD)
-IMG	= $(KERNEL_ROOT)/lib/$(BIN).img
-
-#LFALGS	= -nostdlib -Bstatic -T $(LDSCRIPT) -Ttext $(TEXTBASE)
-LFALGS	= -nostdlib -Bstatic -T $(LDSCRIPT)
-CFLAGS	+= -I$(KERNEL_ROOT)/libcpu/$(ARCH)/include 
-
-all: $(BIN) $(LIBBSP)
-
-$(IMG): $(BIN) $(KERNEL_ROOT)/lib/boot
-	dd if=/dev/zero of=$(IMG)~ count=1000 2>/dev/null
-	dd if=$(KERNEL_ROOT)/lib/boot of=$(IMG)~ conv=notrunc 2>/dev/null
-	dd if=$(BIN) of=$(IMG)~ seek=1 conv=notrunc 2>/dev/null
-
-$(LIBBSP): $(OBJ)
-	$(AR) r $@ $?
-	$(RANLIB) $@
-
-$(BIN): $(OBJ) $(APP) $(LIBFINSH) $(LIBCPU) $(KERNEL) 
-	$(LD) $(LFALGS) $(STARTOBJ) $(OBJ) $(APP) $(LIBFINSH) $(KERNEL) $(LIBCPU) -o $(BIN).elf
-	$(SIZE) $(BIN).elf
-
-clean :
-	$(RM) $(BIN).elf *.o *~ *.bak *.bin $(LIBBSP)
-	$(RM) .depend
-
-dep : .depend
-
-include .depend
-
-.depend: $(SRC)
-	$(CC) $(CFLAGS) -M $^ > $@

bsp/x86/build/clean-link

@@ -1,18 +0,0 @@
-#!/bin/bash
-rm lib -rf
-rm include -f
-rm src/*.c -f
-rm src/*.h -f
-rm src/*.o -f
-rm bsp/qemu/*.c -f
-rm bsp/qemu/*.h -f
-rm bsp/qemu/*.S -f
-rm bsp/qemu/*.o -f
-rm bsp/qemu/*.lds -f
-rm libcpu/ia32/*.c -f
-rm libcpu/ia32/*.S -f
-rm libcpu/ia32/*.o -f
-rm libcpu/ia32/include -f
-rm finsh/*.c -f
-rm finsh/*.h -f
-rm finsh/*.o -f

bsp/x86/build/config.local

@@ -1,38 +0,0 @@
-# RT-Thread build config file
-# Platform
-PLATFORM=qemu
-
-# Platform Prefix
-PREFIX=
-
-# C flags
-CFLAGS=-Wall
-
-# Linker flags
-LDFLAGS=-nostdlib
-
-# ASM Flags
-ASFLAGS=
-
-# Build Type
-BUILDTYPE=RAM
-
-# Release Type
-RELEASETYPE=Release
-
-# Text Base
-TEXTBASE=0x108000
-
-# SECTION: RT-Thread Component
-# finsh, shell of RT-Thread
-RT_USING_FINSH=1
-
-# a mini libc
-#RT_USING_MINILIBC=1
-
-# Using C++ support
-# RT_USING_CPLUSPLUS=1
-
-# LwIP, light weight TCP/IP stack for RT-Thread
-# RT_USING_LWIP=1
-

bsp/x86/build/config.mk

@@ -1,140 +0,0 @@
-#
-# RT-Thread Makefile
-# CFLAGS 	for C compiler flags
-# CPPFLAGS	for C++ compiler flags
-# LDFLAGS 	for ld link flags
-# LDLIBS	for libraries should be linked
-# AFLAGS	for assemble flags
-#
-
-include $(KERNEL_ROOT)/config.local
-include $(KERNEL_ROOT)/config.target
-
-#
-# toolchain variables
-#
-CC		= $(PREFIX)gcc
-CXX		= $(PREFIX)g++
-LD		= $(PREFIX)ld
-AR		= $(PREFIX)ar
-AS		= $(PREFIX)as
-RANLIB	= $(PREFIX)ranlib
-NM		= $(PREFIX)nm
-OBJCOPY	= $(PREFIX)objcopy
-OBJDUMP	= $(PREFIX)objdump
-STRIP	= $(PREFIX)strip
-SIZE	= $(PREFIX)size
-RM		= rm -rf
-MKDIR	= mkdir -p
-
-#
-# start object and library
-#
-STARTOBJ	=	$(KERNEL_ROOT)/lib/start_$(CPU).o
-LIBCPU		= 	$(KERNEL_ROOT)/lib/libcpu_$(CPU).a
-KERNEL		= 	$(KERNEL_ROOT)/lib/libkernel_$(ARCH).a
-LIBBSP  	= 	$(KERNEL_ROOT)/lib/libbsp_$(BOARD).a
-LIBFINSH	= 	$(KERNEL_ROOT)/lib/libfinsh_$(ARCH).a
-LIBEFSL		= 	$(KERNEL_ROOT)/lib/libefsl-fs-vfat.a	\
-				$(KERNEL_ROOT)/lib/libefsl-base.a
-LIBRTGUI 	=	$(KERNEL_ROOT)/lib/librtgui_widgets.a	\
-				$(KERNEL_ROOT)/lib/librtgui_server.a 	\
-				$(KERNEL_ROOT)/lib/librtgui_common.a	\
-				$(KERNEL_ROOT)/lib/librtgui_app.a
-LIBLWIP		=	$(KERNEL_ROOT)/lib/liblwip_$(ARCH).a
-LIBCPP		= 	$(KERNEL_ROOT)/lib/librtt++_$(ARCH).a
-LIBMINIC	= 	$(KERNEL_ROOT)/lib/libminilibc_$(ARCH).a
-
-LDLIBS		=	-lcpu_$(CPU) -lkernel_$(ARCH) -lbsp_$(BOARD)
-
-#
-# ld script, according to build type, RAM or ROM
-#
-ifeq ($(BUILDTYPE), RAM)
-LDSCRIPT= $(KERNEL_ROOT)/bsp/$(BOARD)/$(BOARD)_ram.lds
-else
-LDSCRIPT= $(KERNEL_ROOT)/bsp/$(BOARD)/$(BOARD)_rom.lds
-endif
-
-#
-# RT-Thread component
-#
-ifeq ($(RT_USING_FINSH), 1)
-CFLAGS  += -I$(KERNEL_ROOT)/finsh
-LDLIBS	+= -lfinsh_$(ARCH)
-endif
-
-ifeq ($(RT_USING_RTGUI), 1)
-CFLAGS	+= -I$(KERNEL_ROOT)/rtgui/include 
-LDLIBS	+= -lrtgui_server -lrtgui_common -lrtgui_widgets -lrtgui_app
-endif
-
-ifeq ($(RT_USING_LWIP), 1)
-CFLAGS 	+= -I$(KERNEL_ROOT)/net/lwip/src \
-			-I$(KERNEL_ROOT)/net/lwip/src/include \
-			-I$(KERNEL_ROOT)/net/lwip/src/include/ipv4 \
-			-I$(KERNEL_ROOT)/net/lwip/src/arch/include
-LDLIBS	+= -llwip_$(ARCH)
-endif
-
-ifeq ($(RT_USING_EFSL), 1)
-CFLAGS	+= -I$(KERNEL_ROOT)/filesystem/efsl/src/fs/vfat/include \
-			-I$(KERNEL_ROOT)/filesystem/efsl/src/base/include \
-			-I$(KERNEL_ROOT)/filesystem/efsl/src/include \
-			-I$(KERNEL_ROOT)/filesystem/efsl/conf
-LDLIBS	+= -lefsl-base -lefsl-fs-vfat
-endif
-
-ifeq ($(RT_USING_CPLUSPLUS), 1)
-CFLAGS	+= 
-LDLIBS	+= -lrtt++_$(ARCH)
-endif
-
-ifeq ($(RT_USING_NEWLIB), 1)
-CFLAGS	+= -I$(KERNEL_ROOT)/newlib/libc/include
-LDLIBS	+= -lnewlib_$(ARCH)
-else
-ifeq ($(RT_USING_MINILIBC), 1)
-CFLAGS 	+= -I$(KERNEL_ROOT)/libc/minilibc
-LDLIBS	+= -lminilibc_$(ARCH)
-endif
-endif
-
-#
-# compiler, assemble and ld link flag
-#
-CFLAGS += -I$(KERNEL_ROOT)/include -I$(KERNEL_ROOT)/bsp/$(BOARD) -Wall -nostdinc -fno-builtin
-
-ifeq ($(RELEASETYPE), DEBUG)
-CFLAGS += -ggdb
-AFLAGS += -ggdb
-else
-CFLAGS += -O2
-CFLAGS += 
-AFLAGS +=
-endif
-
-ifeq ($(BUILDTYPE), RAM)
-#AFLAGS	+=  
-#AFLAGS	+= -x assembler-with-cpp -DTEXT_BASE=$(TEXTBASE)
-#AFLAGS	+= -x assembler-with-cpp 
-else
-#AFLAGS	+= 
-#AFLAGS	+= -x assembler-with-cpp -DTEXT_BASE=$(TEXTBASE) -D__FLASH_BUILD__
-endif
-
-LDFLAGS	+= -L$(KERNEL_ROOT)/lib --start-group $(LDLIBS) --end-group
-
-CPPFLAGS = $(CFLAGS) -fno-rtti
-
-#
-# Common rules
-#
-.c.o:
-	$(CC) -c $(CFLAGS) -o $@ $<
-
-.cpp.o:
-	$(CXX) -c $(CPPFLAGS) -o $@ $<
-
-.S.o:
-	$(CC) -c $(AFLAGS) -o $@ $<

bsp/x86/build/config.target

@@ -1,59 +0,0 @@
-ifeq ($(PLATFORM), lumit4510)
-ARCH	= arm
-CPU 	= s3c4510
-BOARD	= lumit4510
-endif
-
-ifeq ($(PLATFORM), wh44b0)
-ARCH	= arm
-CPU 	= s3c44b0
-BOARD	= wh44b0
-endif
-
-ifeq ($(PLATFORM), s3ceb2410)
-ARCH	= arm
-CPU 	= s3c2410
-BOARD	= s3ceb2410
-endif
-
-ifeq ($(PLATFORM), sam7s)
-ARCH	= arm
-CPU 	= AT91SAM7S
-BOARD	= sam7s
-endif
-
-ifeq ($(PLATFORM), sam7x)
-ARCH	= arm
-CPU 	= AT91SAM7X
-BOARD	= sam7x
-endif
-
-ifeq ($(PLATFORM), zaurusc1k)
-ARCH	= arm
-CPU 	= pxa270
-BOARD	= zaurusc1k
-endif
-
-ifeq ($(PLATFORM), qemu_akita)
-ARCH	= arm
-CPU 	= pxa270
-BOARD	= qemu_akita
-endif
-
-ifeq ($(PLATFORM), nds)
-ARCH	= arm
-CPU 	= nds
-BOARD	= nds
-endif
-
-ifeq ($(PLATFORM), qemu)
-ARCH	= ia32
-CPU 	= ia32
-BOARD	= qemu
-endif
-
-ifeq ($(PLATFORM), at9200)
-ARCH	= arm
-CPU 	= AT9200
-BOARD	= AT9200
-endif

bsp/x86/build/create-link

@@ -1,24 +0,0 @@
-#!/bin/bash
-mkdir lib
-ln -s ../../../include include
-
-for m_file in `ls ../../../src`
-do 
-	ln -s ../../../../src/$m_file src/$m_file
-done
-
-for m_file in `ls ../`
-do 
-	ln -s ../../../$m_file bsp/qemu/$m_file
-done
-rm bsp/qemu/build -f
-
-for m_file in `ls ../../../libcpu/ia32`
-do 
-	ln -s ../../../../../libcpu/ia32/$m_file libcpu/ia32/$m_file
-done
-
-for m_file in `ls ../../../finsh`
-do 
-	ln -s ../../../../finsh/$m_file finsh/$m_file
-done

bsp/x86/build/finsh/Makefile

@@ -1,29 +0,0 @@
-KERNEL_ROOT=..
-
-include $(KERNEL_ROOT)/config.mk
-
-SRC		= cmd.c shell.c symbol.c finsh_error.c finsh_node.c finsh_token.c \
-	finsh_heap.c finsh_ops.c finsh_var.c finsh_compiler.c finsh_init.c\
-	finsh_parser.c finsh_vm.c
-OBJ		= $(SRC:.c=.o) 
-
-CFLAGS  += -I.
-
-
-all: $(LIBFINSH)
-
-$(LIBFINSH): $(OBJ)
-	$(AR) -r $@ $?
-	$(RANLIB) $@
-
-clean :
-	$(RM) *.o *~ *.bak
-	$(RM) $(LIBFINSH)
-	$(RM) .depend
-
-dep : .depend
-
-include .depend
-
-.depend: $(SRC)
-	$(CC) $(CFLAGS) -M $^ > $@

bsp/x86/build/libcpu/Makefile

@@ -1,9 +0,0 @@
-KERNEL_ROOT=..
-
-include $(KERNEL_ROOT)/config.mk
-
-all:
-	make -C $(ARCH)
-
-clean:
-	make -C $(ARCH) clean

bsp/x86/build/libcpu/ia32/Makefile

@@ -1,33 +0,0 @@
-KERNEL_ROOT=../..
-
-include $(KERNEL_ROOT)/config.mk
-
-SRC		= interrupt.c trap.c stack.c backtrace.c showmem.c __udivsi3.c __umodsi3.c
-CPU_OBJ	= $(SRC:.c=.o) context.o trapisr.o hdisr.o
-
-#AFLAGS	+= -DTEXT_BASE=$(TEXTBASE) -I$(KERNEL_ROOT)/libcpu/$(ARCH)/include
-AFLAGS	+= -I$(KERNEL_ROOT)/libcpu/$(ARCH)/include
-CFLAGS	+= -I$(KERNEL_ROOT)/libcpu/$(ARCH)/include
-
-all: $(LIBCPU) $(STARTOBJ)
-
-$(STARTOBJ): start.S
-#	$(CC) $(AFLAGS) -c start.S -ggdb -o $(STARTOBJ)
-	$(CC) $(AFLAGS) -c start.S -o $(STARTOBJ)
-
-$(LIBCPU): $(CPU_OBJ)
-	$(AR) r $(LIBCPU) $?
-	$(RANLIB) $(LIBCPU)
-
-clean :
-	$(RM) *.o *~ *.bak
-	$(RM) $(LIBCPU)
-	$(RM) $(STARTOBJ)
-	$(RM) .depend
-
-dep : .depend
-
-include .depend
-
-.depend: $(SRC)
-	$(CC) $(CFLAGS) -M $^ > $@

bsp/x86/build/readme

@@ -1,9 +0,0 @@
-./create-link
-make
-cp bsp/qemu/rtthread-qemu.elf $dest
-
-
-
-test OK ON:
-	Fedora 10
-	Fedora 11

bsp/x86/build/src/Makefile

@@ -1,25 +0,0 @@
-KERNEL_ROOT=..
-
-include $(KERNEL_ROOT)/config.mk
-
-SRC	= kservice.c clock.c object.c ipc.c timer.c irq.c scheduler.c \
-	thread.c idle.c mempool.c mem.c slab.c device.c
-OBJ	= $(SRC:.c=.o)
-
-all: $(KERNEL)
-
-$(KERNEL): $(OBJ)
-	$(AR) r $@ $?
-	$(RANLIB) $@
-
-clean :
-	$(RM) *.o *~ *.bak
-	$(RM) $(KERNEL)
-	$(RM) .depend
-
-dep : .depend
-
-include .depend
-
-.depend: $(SRC)
-	$(CC) $(CFLAGS) -M $^ > $@

bsp/x86/console.c

@@ -1,210 +0,0 @@
-/*
- * File      : console.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, 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://openlab.rt-thread.com/license/LICENSE
- *
- * Change Logs:
- * Date           Author       Notes
- * 2006-09-15     QiuYi        the first version
- */
-
-#include <rtthread.h>
-#include <rthw.h>
-
-#include <bsp.h>
-
-
-#include "serial.h"
-
-static unsigned addr_6845;
-static rt_uint16_t *crt_buf;
-static rt_int16_t  crt_pos;
-
-extern void rt_serial_init(void);
-extern char rt_keyboard_getc(void);
-
-static void rt_console_putc(int c);
-
-/**
- * @addtogroup QEMU
- */
-/*@{*/
-
-/**
- * This function initializes cga
- *
- */
-void rt_cga_init(void)
-{
-	rt_uint16_t volatile *cp;
-	rt_uint16_t was;
-	rt_uint32_t pos;
-
-	cp = (rt_uint16_t *) (CGA_BUF);
-	was = *cp;
-	*cp = (rt_uint16_t) 0xA55A;
-	if (*cp != 0xA55A)
-	{
-		cp = (rt_uint16_t *) (MONO_BUF);
-		addr_6845 = MONO_BASE;
-	}
-	else
-	{
-		*cp = was;
-		addr_6845 = CGA_BASE;
-	}
-
-	/* Extract cursor location */
-	outb(addr_6845, 14);
-	pos = inb(addr_6845+1) << 8;
-	outb(addr_6845, 15);
-	pos |= inb(addr_6845+1);
-
-	crt_buf = (rt_uint16_t *)cp;
-	crt_pos = pos;
-}
-
-/**
- * This function will write a character to cga
- *
- * @param c the char to write
- */
-static void rt_cga_putc(int c)
-{
-	/* if no attribute given, then use black on white */
-	if (!(c & ~0xff)) c |= 0x0700;
-
-	switch (c & 0xff)
-	{
-	case '\b':
-		if (crt_pos > 0)
-		{
-			crt_pos--;
-			crt_buf[crt_pos] = (c&~0xff) | ' ';
-		}
-		break;
-	case '\n':
-		crt_pos += CRT_COLS;
-		/* cascade	*/
-	case '\r':
-		crt_pos -= (crt_pos % CRT_COLS);
-		break;
-	case '\t':
-		rt_console_putc(' ');
-		rt_console_putc(' ');
-		rt_console_putc(' ');
-		rt_console_putc(' ');
-		rt_console_putc(' ');
-		break;
-	default:
-		crt_buf[crt_pos++] = c;		/* write the character */
-		break;
-	}
-
-	if (crt_pos >= CRT_SIZE)
-	{
-		rt_int32_t i;
-		rt_memcpy(crt_buf, crt_buf + CRT_COLS, (CRT_SIZE - CRT_COLS) << 1);
-		for (i = CRT_SIZE - CRT_COLS; i < CRT_SIZE; i++)
-			crt_buf[i] = 0x0700 | ' ';
-		crt_pos -= CRT_COLS;
-	}
-
-	outb(addr_6845, 14);
-	outb(addr_6845+1, crt_pos >> 8);
-	outb(addr_6845, 15);
-	outb(addr_6845+1, crt_pos);
-}
-
-/**
- * This function will write a character to serial an cga
- *
- * @param c the char to write
- */
-static void rt_console_putc(int c)
-{
-	rt_cga_putc(c);
-	rt_serial_putc(c);
-}
-
-/**
- * This function initializes console
- *
- */
-void rt_console_init(void)
-{
-	rt_cga_init();
-	rt_serial_init();
-}
-
-/**
- * This function is used to display a string on console, normally, it's 
- * invoked by rt_kprintf
- *
- * @param str the displayed string
- *
- * Modified:
- *	caoxl 2009-10-14
- *	the name is change to rt_hw_console_output in the v0.3.0
- *
- */
-
-//void rt_console_puts(const char* str)
-void rt_hw_console_output(const char* str)
-{
-	while (*str)
-	{
-		rt_console_putc (*str++);
-	}
-}
-
-#define BY2CONS 512
-
-static struct
-{
-	rt_uint8_t buf[BY2CONS];
-	rt_uint32_t rpos;
-	rt_uint32_t wpos;
-}cons;
-
-static void rt_console_intr(char (*proc)(void))
-{
-	int c;
-
-	while ((c = (*proc)()) != -1)
-	{
-		if (c == 0)
-			continue;
-		cons.buf[cons.wpos++] = c;
-		if (cons.wpos == BY2CONS)
-			cons.wpos = 0;
-	}
-}
-
-/**
- * return the next input character from the console,either from serial,
- * or keyboard
- *
- */
-int rt_console_getc(void)
-{
-	int c;
-
-	rt_console_intr(rt_serial_getc);
-	rt_console_intr(rt_keyboard_getc);
-
-	if (cons.rpos != cons.wpos)
-	{
-		c = cons.buf[cons.rpos++];
-		if (cons.rpos == BY2CONS)
-			cons.rpos = 0;
-		return c;
-	}
-	return 0;
-}
-
-/*@}*/

bsp/x86/drivers/SConscript

@@ -0,0 +1,13 @@
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+cwd     = os.path.join(str(Dir('#')), 'drivers')
+
+src	= Glob('*.c')
+
+CPPPATH = [cwd, cwd + '/include']
+
+group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

bsp/x86/board.c → bsp/x86/drivers/board.c

@@ -12,7 +12,7 @@
  * 2006-09-15     QiuYi        the first version
  * 2006-10-10     Bernard      add hardware related of finsh
  */
- 
+
 #include <rtthread.h>
 #include <rthw.h>
 
@@ -34,36 +34,31 @@ static void rt_timer_handler(int vector)
  */
 void rt_hw_board_init(void)
 {
-	/* initialize 8253 clock to interrupt 100 times/sec */
+	/* initialize 8253 clock to interrupt 1000 times/sec */
 	outb(TIMER_MODE, TIMER_SEL0|TIMER_RATEGEN|TIMER_16BIT);
-	outb(IO_TIMER1, TIMER_DIV(100) % 256);
-	outb(IO_TIMER1, TIMER_DIV(100) / 256);
+	outb(IO_TIMER1, TIMER_DIV(RT_TICK_PER_SECOND) % 256);
+	outb(IO_TIMER1, TIMER_DIV(RT_TICK_PER_SECOND) / 256);
 
 	/* install interrupt handler */
 	rt_hw_interrupt_install(INTTIMER0, rt_timer_handler, RT_NULL);
 	rt_hw_interrupt_umask(INTTIMER0);
 }
-
-#ifdef RT_USING_FINSH
-extern void finsh_notify(void);
-static void rt_serial_isr(int vector)
-{
-	finsh_notify();
-}
-
-/** 
- * This function will init hardware related in finsh shell
- */
-void rt_hw_finsh_init()
-{
-	/* install UART isr */
-	rt_hw_interrupt_install(INTUART0_RX, rt_serial_isr, RT_NULL);
-	rt_hw_interrupt_umask(INTUART0_RX);
-	
-	/* install  keyboard isr */
-	rt_hw_interrupt_install(INTKEYBOARD, rt_serial_isr, RT_NULL);
-	rt_hw_interrupt_umask(INTKEYBOARD);
-}
-#endif
+
+void restart(void)
+{
+    outb(KBSTATP, 0xFE); /* pulse reset low */
+    while(1);
+}
+
+#ifdef RT_USING_FINSH
+#include <finsh.h>
+FINSH_FUNCTION_EXPORT(restart, reboot PC)
+
+void reboot(void)
+{
+    restart();
+}
+FINSH_FUNCTION_EXPORT(reboot, reboot PC)
+#endif
 
 /*@}*/

bsp/x86/board.h → bsp/x86/drivers/board.h

@@ -17,8 +17,4 @@
 
 void rt_hw_board_init(void);
 
-#ifdef RT_USING_FINSH
-void rt_hw_finsh_init(void);
-#endif
-
 #endif

bsp/x86/drivers/console.c

@@ -0,0 +1,378 @@
+/*
+ * File      : console.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, 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://openlab.rt-thread.com/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2006-09-15     QiuYi        the first version
+ */
+
+#include <rtthread.h>
+#include <rthw.h>
+
+#include <bsp.h>
+
+
+//#include "serial.h"
+
+static unsigned addr_6845;
+static rt_uint16_t *crt_buf;
+static rt_int16_t  crt_pos;
+
+//extern void rt_serial_init(void);
+extern char rt_keyboard_getc(void);
+//extern char rt_serial_getc(void);
+
+static void rt_console_putc(int c);
+
+/**
+ * @addtogroup QEMU
+ */
+/*@{*/
+
+/**
+ * This function initializes cga
+ *
+ */
+void rt_cga_init(void)
+{
+    rt_uint16_t volatile *cp;
+    rt_uint16_t was;
+    rt_uint32_t pos;
+
+    cp = (rt_uint16_t *) (CGA_BUF);
+    was = *cp;
+    *cp = (rt_uint16_t) 0xA55A;
+    if (*cp != 0xA55A)
+    {
+        cp = (rt_uint16_t *) (MONO_BUF);
+        addr_6845 = MONO_BASE;
+    }
+    else
+    {
+        *cp = was;
+        addr_6845 = CGA_BASE;
+    }
+
+    /* Extract cursor location */
+    outb(addr_6845, 14);
+    pos = inb(addr_6845+1) << 8;
+    outb(addr_6845, 15);
+    pos |= inb(addr_6845+1);
+
+    crt_buf = (rt_uint16_t *)cp;
+    crt_pos = pos;
+}
+
+/**
+ * This function will write a character to cga
+ *
+ * @param c the char to write
+ */
+static void rt_cga_putc(int c)
+{
+    /* if no attribute given, then use black on white */
+    if (!(c & ~0xff)) c |= 0x0700;
+
+    switch (c & 0xff)
+    {
+    case '\b':
+        if (crt_pos > 0)
+        {
+            crt_pos--;
+            crt_buf[crt_pos] = (c&~0xff) | ' ';
+        }
+        break;
+    case '\n':
+        crt_pos += CRT_COLS;
+        /* cascade	*/
+    case '\r':
+        crt_pos -= (crt_pos % CRT_COLS);
+        break;
+    case '\t':
+        rt_console_putc(' ');
+        rt_console_putc(' ');
+        rt_console_putc(' ');
+        rt_console_putc(' ');
+        rt_console_putc(' ');
+        break;
+    default:
+        crt_buf[crt_pos++] = c;		/* write the character */
+        break;
+    }
+
+    if (crt_pos >= CRT_SIZE)
+    {
+        rt_int32_t i;
+        rt_memcpy(crt_buf, crt_buf + CRT_COLS, (CRT_SIZE - CRT_COLS) << 1);
+        for (i = CRT_SIZE - CRT_COLS; i < CRT_SIZE; i++)
+            crt_buf[i] = 0x0700 | ' ';
+        crt_pos -= CRT_COLS;
+    }
+
+    outb(addr_6845, 14);
+    outb(addr_6845+1, crt_pos >> 8);
+    outb(addr_6845, 15);
+    outb(addr_6845+1, crt_pos);
+}
+
+/**
+ * This function will write a character to serial an cga
+ *
+ * @param c the char to write
+ */
+static void rt_console_putc(int c)
+{
+    rt_cga_putc(c);
+//    rt_serial_putc(c);
+}
+
+/* RT-Thread Device Interface */
+#define CONSOLE_RX_BUFFER_SIZE    64
+static struct rt_device    console_device;
+static rt_uint8_t  rx_buffer[CONSOLE_RX_BUFFER_SIZE];
+static rt_uint32_t read_index, save_index;
+
+static rt_err_t rt_console_init (rt_device_t dev)
+{
+    return RT_EOK;
+}
+
+static rt_err_t rt_console_open(rt_device_t dev, rt_uint16_t oflag)
+{
+    return RT_EOK;
+}
+
+static rt_err_t rt_console_close(rt_device_t dev)
+{
+    return RT_EOK;
+}
+
+static rt_err_t rt_console_control(rt_device_t dev, rt_uint8_t cmd, void *args)
+{
+    return RT_EOK;
+}
+
+static rt_size_t rt_console_write(rt_device_t dev, rt_off_t pos, const void * buffer, rt_size_t size)
+{
+    rt_size_t i = size;
+    const char* str = buffer;
+
+    while(i--)
+    {
+        rt_console_putc(*str++);
+    }
+
+    return size;
+}
+
+static rt_size_t rt_console_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
+{
+    rt_uint8_t* ptr = buffer;
+    rt_err_t err_code = RT_EOK;
+
+    /* interrupt mode Rx */
+    while (size)
+    {
+        rt_base_t level;
+
+        /* disable interrupt */
+        level = rt_hw_interrupt_disable();
+
+        if (read_index != save_index)
+        {
+            /* read a character */
+            *ptr++ = rx_buffer[read_index];
+            size--;
+
+            /* move to next position */
+            read_index ++;
+            if (read_index >= CONSOLE_RX_BUFFER_SIZE)
+                read_index = 0;
+        }
+        else
+        {
+            /* set error code */
+            err_code = -RT_EEMPTY;
+
+            /* enable interrupt */
+            rt_hw_interrupt_enable(level);
+            break;
+        }
+
+        /* enable interrupt */
+        rt_hw_interrupt_enable(level);
+    }
+
+    /* set error code */
+    rt_set_errno(err_code);
+    return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
+}
+
+static void rt_console_isr(int vector)
+{
+//    rt_kprintf("rt_console_isr\r\n");
+//    RT_ASSERT(INTKEYBOARD == vector);
+//	finsh_notify();
+
+    char c;
+    rt_base_t level;
+
+    while(1)
+    {
+        c = rt_keyboard_getc();
+//        rt_kprintf(" %x", c);
+
+        if(c == 0)
+        {
+            break;
+        }
+        else if(c > 0)
+        {
+            /* disable interrupt */
+            level = rt_hw_interrupt_disable();
+
+            /* save character */
+            rx_buffer[save_index] = c;
+            save_index ++;
+            if (save_index >= CONSOLE_RX_BUFFER_SIZE)
+                save_index = 0;
+
+            /* if the next position is read index, discard this 'read char' */
+            if (save_index == read_index)
+            {
+                read_index ++;
+                if (read_index >= CONSOLE_RX_BUFFER_SIZE)
+                    read_index = 0;
+            }
+
+            /* enable interrupt */
+            rt_hw_interrupt_enable(level);
+        }
+    }
+
+    /* invoke callback */
+    if (console_device.rx_indicate != RT_NULL)
+    {
+        rt_size_t rx_length;
+
+        /* get rx length */
+        rx_length = read_index > save_index ?
+                    CONSOLE_RX_BUFFER_SIZE - read_index + save_index :
+                    save_index - read_index;
+
+//        rt_kprintf("\r\nrx_length %d\r\n", rx_length);
+        if(rx_length > 0)
+        {
+            console_device.rx_indicate(&console_device, rx_length);
+        }
+    }
+    else
+    {
+//        rt_kprintf("\r\nconsole_device.rx_indicate == RT_NULL\r\n");
+    }
+}
+
+/**
+ * This function initializes console
+ *
+ */
+void rt_hw_console_init(void)
+{
+    rt_cga_init();
+//    rt_serial_init();
+
+
+    /* install  keyboard isr */
+    rt_hw_interrupt_install(INTKEYBOARD, rt_console_isr, RT_NULL);
+    rt_hw_interrupt_umask(INTKEYBOARD);
+
+    console_device.type 		= RT_Device_Class_Char;
+    console_device.rx_indicate  = RT_NULL;
+    console_device.tx_complete  = RT_NULL;
+    console_device.init 		= rt_console_init;
+    console_device.open		    = rt_console_open;
+    console_device.close		= rt_console_close;
+    console_device.read 		= rt_console_read;
+    console_device.write 	    = rt_console_write;
+    console_device.control      = rt_console_control;
+    console_device.user_data    = RT_NULL;
+
+    /* register a character device */
+    rt_device_register(&console_device,
+                              "console",
+                              RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM);
+}
+
+/**
+ * This function is used to display a string on console, normally, it's
+ * invoked by rt_kprintf
+ *
+ * @param str the displayed string
+ *
+ * Modified:
+ *	caoxl 2009-10-14
+ *	the name is change to rt_hw_console_output in the v0.3.0
+ *
+ */
+
+//void rt_console_puts(const char* str)
+void rt_hw_console_output(const char* str)
+{
+    while (*str)
+    {
+        rt_console_putc (*str++);
+    }
+}
+
+//#define BY2CONS 512
+//
+//static struct
+//{
+//    rt_uint8_t buf[BY2CONS];
+//    rt_uint32_t rpos;
+//    rt_uint32_t wpos;
+//} cons;
+//
+//static void rt_console_intr(char (*proc)(void))
+//{
+//    int c;
+//
+//    while ((c = (*proc)()) != -1)
+//    {
+//        if (c == 0)
+//            continue;
+//        cons.buf[cons.wpos++] = c;
+//        if (cons.wpos == BY2CONS)
+//            cons.wpos = 0;
+//    }
+//}
+
+///**
+// * return the next input character from the console,either from serial,
+// * or keyboard
+// *
+// */
+//int rt_console_getc(void)
+//{
+//    int c;
+//
+//    rt_console_intr(rt_serial_getc);
+//    rt_console_intr(rt_keyboard_getc);
+//
+//    if (cons.rpos != cons.wpos)
+//    {
+//        c = cons.buf[cons.rpos++];
+//        if (cons.rpos == BY2CONS)
+//            cons.rpos = 0;
+//        return c;
+//    }
+//    return 0;
+//}
+
+/*@}*/

bsp/x86/drivers/include/bsp.h

@@ -0,0 +1,125 @@
+/*
+ * File      : bsp.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://openlab.rt-thread.com/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2006-09-15     QiuYi        the first version */
+
+#ifndef __BSP_H_
+#define __BSP_H_
+
+#include <i386.h>
+
+/*******************************************************************/
+/*  Timer Register  */
+/*******************************************************************/
+#define TIMER_CNTR0			(IO_TIMER1 + 0)	/* timer 0 counter port */
+#define TIMER_CNTR1			(IO_TIMER1 + 1)	/* timer 1 counter port */
+#define TIMER_CNTR2			(IO_TIMER1 + 2)	/* timer 2 counter port */
+#define TIMER_MODE			(IO_TIMER1 + 3)	/* timer mode port */
+#define TIMER_SEL0			0x00	/* select counter 0 */
+#define TIMER_SEL1			0x40	/* select counter 1 */
+#define TIMER_INTTC			0x00	/* mode 0, intr on terminal cnt */
+#define TIMER_ONESHOT		0x02	/* mode 1, one shot */
+#define TIMER_RATEGEN		0x04	/* mode 2, rate generator */
+#define TIMER_SQWAVE		0x06	/* mode 3, square wave */
+#define TIMER_SWSTROBE		0x08	/* mode 4, s/w triggered strobe */
+#define TIMER_HWSTROBE		0x0a	/* mode 5, h/w triggered strobe */
+#define TIMER_LATCH			0x00	/* latch counter for reading */
+#define TIMER_LSB			0x10	/* r/w counter LSB */
+#define TIMER_MSB			0x20	/* r/w counter MSB */
+#define TIMER_16BIT			0x30	/* r/w counter 16 bits, LSB first */
+#define TIMER_BCD			0x01	/* count in BCD */
+
+#define TIMER_FREQ			1193182
+#define TIMER_DIV(x)		((TIMER_FREQ+(x)/2)/(x))
+
+#define IO_TIMER1			0x040	/* 8253 Timer #1 */
+
+/*******************************************************************/
+/* Interrupt Controller */
+/*******************************************************************/
+/* these are processor defined */
+#define T_DIVIDE			0		/* divide error */
+#define T_DEBUG	 			1		/* debug exception */
+#define T_NMI				2		/* non-maskable interrupt */
+#define T_BRKPT	 			3		/* breakpoint */
+#define T_OFLOW				4		/* overflow */
+#define T_BOUND	  			5		/* bounds check */
+#define T_ILLOP	  			6		/* illegal opcode */
+#define T_DEVICE	 		7		/* device not available */
+#define T_DBLFLT	 		8		/* double fault */
+/* 9 is reserved */
+#define T_TSS				10		/* invalid task switch segment */
+#define T_SEGNP				11		/* segment not present */
+#define T_STACK	 			12		/* stack exception */
+#define T_GPFLT				13		/* genernal protection fault */
+#define T_PGFLT				14		/* page fault */
+/* 15 is reserved */
+#define T_FPERR	 			16		/* floating point error */
+#define T_ALIGN				17		/* aligment check */
+#define T_MCHK				18		/* machine check */
+#define T_DEFAULT			500		/* catchall */
+
+#define INTTIMER0			0
+#define INTKEYBOARD			1
+#define INTUART0_RX			4
+
+/* I/O Addresses of the two 8259A programmable interrupt controllers */
+#define IO_PIC1 			0x20 	/* Master(IRQs 0-7) */
+#define IO_PIC2 			0xa0	/* Slave(IRQs 8-15) */
+#define IRQ_SLAVE 			0x2		/* IRQ at which slave connects to master */
+#define IRQ_OFFSET 			0x20	/* IRQ 0 corresponds to int IRQ_OFFSET */
+
+#define MAX_HANDLERS		16		/*max number of isr handler*/
+
+/*******************************************************************/
+/* CRT Register */
+/*******************************************************************/
+#define MONO_BASE			0x3b4
+#define MONO_BUF			0xb0000
+#define CGA_BASE			0x3d4
+#define CGA_BUF				0xb8000
+
+#define CRT_ROWS			25
+#define CRT_COLS			80
+#define CRT_SIZE				(CRT_ROWS * CRT_COLS)
+
+/*******************************************************************/
+/* Keyboard Register */
+/*******************************************************************/
+#define	KBSTATP				0x64	/* kbd controller status port(I) */
+#define	KBS_DIB				0x01	/* kbd data in buffer */
+#define	KBDATAP				0x60	/* kbd data port(I) */
+
+/*******************************************************************/
+/* Serial Register */
+/*******************************************************************/
+/*Serial I/O code */
+#define COM1				0x3F8
+#define COMSTATUS			5
+#define COMDATA				0x01
+#define COMREAD				0
+#define COMWRITE			0
+
+/* Bits definition of the Line Status Register (LSR)*/
+#define DR					0x01	/* Data Ready */
+#define OE					0x02	/* Overrun Error */
+#define PE					0x04	/* Parity Error */
+#define FE					0x08	/* Framing Error */
+#define BI					0x10	/* Break Interrupt */
+#define THRE				0x20	/* Transmitter Holding Register Empty */
+#define TEMT				0x40	/* Transmitter Empty */
+#define ERFIFO				0x80	/* Error receive Fifo */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BSP_H_ */

bsp/x86/drivers/include/grub.h

@@ -0,0 +1,93 @@
+/*
+ * File      : grub.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://openlab.rt-thread.com/license/LICENSE
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2006-10-09     Bernard      the grub related definitions 
+ *                             (multiboot)
+ */
+
+#ifndef __GRUB_H__
+#define __GRUB_H__
+
+/* the magic number for the multiboot header.  */
+#define MULTIBOOT_HEADER_MAGIC		0x1BADB002
+
+/* the flags for the multiboot header.  */
+#define MULTIBOOT_HEADER_FLAGS		0x00000003
+
+/* the magic number passed by a multiboot-compliant boot loader.  */
+#define MULTIBOOT_BOOTLOADER_MAGIC	0x2BADB002
+
+#ifndef __ASM__
+/* the multiboot header.  */
+typedef struct multiboot_header
+{
+	unsigned long magic;
+	unsigned long flags;
+	unsigned long checksum;
+	unsigned long header_addr;
+	unsigned long load_addr;
+	unsigned long load_end_addr;
+	unsigned long bss_end_addr;
+	unsigned long entry_addr;
+} multiboot_header_t;
+
+/* the section header table for elf.  */
+typedef struct elf_section_header_table
+{
+	unsigned long num;
+	unsigned long size;
+	unsigned long addr;
+	unsigned long shndx;
+} elf_section_header_table_t;
+
+/* the multiboot information.  */
+typedef struct multiboot_info
+{
+	unsigned long flags;
+	unsigned long mem_lower;
+	unsigned long mem_upper;
+	unsigned long boot_device;
+	unsigned long cmdline;
+	unsigned long mods_count;
+	unsigned long mods_addr;
+	union
+	{
+		aout_symbol_table_t aout_sym;
+		elf_section_header_table_t elf_sec;
+	} u;
+	unsigned long mmap_length;
+	unsigned long mmap_addr;
+} multiboot_info_t;
+
+/* the module structure.  */
+typedef struct module
+{
+	unsigned long mod_start;
+	unsigned long mod_end;
+	unsigned long string;
+	unsigned long reserved;
+} module_t;
+
+/* the memory map. be careful that the offset 0 is base_addr_low
+   but no size.  */
+typedef struct memory_map
+{
+	unsigned long size;
+	unsigned long base_addr_low;
+	unsigned long base_addr_high;
+	unsigned long length_low;
+	unsigned long length_high;
+	unsigned long type;
+} memory_map_t;
+
+#endif
+
+#endif

bsp/x86/drivers/include/i386.h

@@ -0,0 +1,108 @@
+#ifndef __I386_H_
+#define __I386_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static __inline unsigned char inb(int port)
+{
+	unsigned char data;
+	__asm __volatile("inb %w1,%0" : "=a" (data) : "d" (port));
+	return data;
+}
+
+static __inline unsigned short inw(int port)
+{
+	unsigned short data;
+	__asm __volatile("inw %w1,%0" : "=a" (data) : "d" (port));
+	return data;
+}
+
+static __inline unsigned int inl(int port)
+{
+	unsigned int data;
+	__asm __volatile("inl %w1,%0" : "=a" (data) : "d" (port));
+	return data;
+}
+
+static __inline void insl(int port, void *addr, int cnt)
+{
+	__asm __volatile("cld\n\trepne\n\tinsl"			:
+			 "=D" (addr), "=c" (cnt)		:
+			 "d" (port), "0" (addr), "1" (cnt)	:
+			 "memory", "cc");
+}
+
+static __inline void outb(int port, unsigned char data)
+{
+	__asm __volatile("outb %0,%w1" : : "a" (data), "d" (port));
+}
+
+static __inline void outw(int port, unsigned short data)
+{
+	__asm __volatile("outw %0,%w1" : : "a" (data), "d" (port));
+}
+
+/* Gate descriptors are slightly different*/
+struct Gatedesc {
+	unsigned gd_off_15_0 : 16;   // low 16 bits of offset in segment
+	unsigned gd_ss : 16;         // segment selector
+	unsigned gd_args : 5;        // # args, 0 for interrupt/trap gates
+	unsigned gd_rsv1 : 3;        // reserved(should be zero I guess)
+	unsigned gd_type :4;         // type(STS_{TG,IG32,TG32})
+	unsigned gd_s : 1;           // must be 0 (system)
+	unsigned gd_dpl : 2;         // descriptor(meaning new) privilege level
+	unsigned gd_p : 1;           // Present
+	unsigned gd_off_31_16 : 16;  // high bits of offset in segment
+};
+
+/* Pseudo-descriptors used for LGDT, LLDT and LIDT instructions*/
+struct Pseudodesc {
+	rt_uint16_t pd__garbage;         // LGDT supposed to be from address 4N+2
+	rt_uint16_t pd_lim;              // Limit
+	rt_uint32_t pd_base __attribute__ ((packed));       // Base address
+};
+
+#define SETGATE(gate, istrap, sel, off, dpl)			\
+{								\
+	(gate).gd_off_15_0 = (rt_uint32_t) (off) & 0xffff;		\
+	(gate).gd_ss = (sel);					\
+	(gate).gd_args = 0;					\
+	(gate).gd_rsv1 = 0;					\
+	(gate).gd_type = (istrap) ? STS_TG32 : STS_IG32;	\
+	(gate).gd_s = 0;					\
+	(gate).gd_dpl = dpl;					\
+	(gate).gd_p = 1;					\
+	(gate).gd_off_31_16 = (rt_uint32_t) (off) >> 16;		\
+}
+
+/* Global descriptor numbers*/
+#define		GD_KT     			0x08	// kernel text
+#define		GD_KD     			0x10	// kernel data
+#define 	GD_UT     			0x18	// user text
+#define 	GD_UD     			0x20	// user data
+
+/* Application segment type bits*/
+#define 	STA_X 				0x8		// Executable segment
+#define 	STA_E 				0x4		// Expand down(non-executable segments)
+#define 	STA_C 				0x4		// Conforming code segment(executable only)
+#define 	STA_W 				0x2		// Writeable(non-executable segments)
+#define 	STA_R 				0x2		// Readable(executable segments)
+#define 	STA_A 				0x1		// Accessed
+
+/* System segment type bits*/
+#define 	STS_T16A 			0x1		// Available 16-bit TSS
+#define 	STS_LDT 			0x2		// Local Descriptor Table
+#define 	STS_T16B 			0x3		// Busy 16-bit TSS
+#define 	STS_CG16 			0x4		// 16-bit Call Gate
+#define 	STS_TG 				0x5		// Task Gate / Coum Transmitions
+#define 	STS_IG16 			0x6		// 16-bit Interrupt Gate
+#define 	STS_TG16 			0x7		// 16-bit Trap Gate
+#define 	STS_T32A 			0x9		// Available 32-bit TSS
+#define 	STS_T32B 			0xb		// Busy 32-bit TSS
+#define 	STS_CG32 			0xc		// 32-bit Call Gate
+#define 	STS_IG32 			0xe		// 32-bit Interrupt Gate
+#define 	STS_TG32 			0xf		// 32-bit Trap Gate
+
+#endif

bsp/x86/rtconfig.h

@@ -0,0 +1,177 @@
+/* RT-Thread config file */
+#ifndef __RTTHREAD_CFG_H__
+#define __RTTHREAD_CFG_H__
+
+#define RT_USING_NEWLIB
+//#define RT_USING_PTHREADS
+#define RT_USING_DFS_DEVFS
+
+/* RT_NAME_MAX*/
+#define RT_NAME_MAX	    8
+
+/* RT_ALIGN_SIZE*/
+#define RT_ALIGN_SIZE	8
+
+/* PRIORITY_MAX */
+#define RT_THREAD_PRIORITY_MAX	32
+
+/* Tick per Second */
+#define RT_TICK_PER_SECOND	    1000
+
+/* SECTION: RT_DEBUG */
+/* Thread Debug */
+#define RT_DEBUG
+#define RT_THREAD_DEBUG
+
+#define RT_USING_OVERFLOW_CHECK
+
+/* Using Hook */
+#define RT_USING_HOOK
+
+/* Using Software Timer */
+/* #define RT_USING_TIMER_SOFT */
+#define RT_TIMER_THREAD_PRIO		4
+#define RT_TIMER_THREAD_STACK_SIZE	512
+#define RT_TIMER_TICK_PER_SECOND	10
+
+/* SECTION: IPC */
+/* Using Semaphore*/
+#define RT_USING_SEMAPHORE
+
+/* Using Mutex */
+#define RT_USING_MUTEX
+
+/* Using Event */
+#define RT_USING_EVENT
+
+/* Using MailBox */
+#define RT_USING_MAILBOX
+
+/* Using Message Queue */
+#define RT_USING_MESSAGEQUEUE
+
+/* SECTION: Memory Management */
+/* Using Memory Pool Management*/
+#define RT_USING_MEMPOOL
+
+/* Using Dynamic Heap Management */
+#define RT_USING_HEAP
+
+/* Using Small MM */
+#define RT_USING_SMALL_MEM
+
+/* SECTION: Device System */
+/* Using Device System */
+#define RT_USING_DEVICE
+
+/* SECTION: Console options */
+#define RT_USING_CONSOLE
+/* the buffer size of console*/
+#define RT_CONSOLEBUF_SIZE	128
+
+#define IDLE_THREAD_STACK_SIZE        1024  /* idle stack 1K */
+
+/* SECTION: finsh, a C-Express shell */
+#define RT_USING_FINSH
+/* Using symbol table */
+#define FINSH_USING_SYMTAB
+#define FINSH_USING_DESCRIPTION
+
+/* SECTION: device filesystem */
+ #define RT_USING_DFS
+
+#define RT_USING_DFS_ELMFAT
+#define RT_DFS_ELM_WORD_ACCESS
+/* Reentrancy (thread safe) of the FatFs module.  */
+#define RT_DFS_ELM_REENTRANT
+/* Number of volumes (logical drives) to be used. */
+#define RT_DFS_ELM_DRIVES			2
+/* #define RT_DFS_ELM_USE_LFN			1 */
+#define RT_DFS_ELM_MAX_LFN			255
+/* Maximum sector size to be handled. */
+#define RT_DFS_ELM_MAX_SECTOR_SIZE  512
+
+/* the max number of mounted filesystem */
+#define DFS_FILESYSTEMS_MAX			2
+/* the max number of opened files 		*/
+#define DFS_FD_MAX					4
+
+/* SECTION: lwip, a lighwight TCP/IP protocol stack */
+//#define RT_USING_LWIP
+/* LwIP uses RT-Thread Memory Management */
+#define RT_LWIP_USING_RT_MEM
+/* Enable ICMP protocol*/
+#define RT_LWIP_ICMP
+/* Enable UDP protocol*/
+#define RT_LWIP_UDP
+/* Enable TCP protocol*/
+#define RT_LWIP_TCP
+/* Enable DNS */
+#define RT_LWIP_DNS
+
+/* the number of simulatenously active TCP connections*/
+#define RT_LWIP_TCP_PCB_NUM	5
+
+/* Using DHCP */
+/* #define RT_LWIP_DHCP */
+
+/* ip address of target*/
+#define RT_LWIP_IPADDR0	192
+#define RT_LWIP_IPADDR1	168
+#define RT_LWIP_IPADDR2	1
+#define RT_LWIP_IPADDR3	30
+
+/* gateway address of target*/
+#define RT_LWIP_GWADDR0	192
+#define RT_LWIP_GWADDR1	168
+#define RT_LWIP_GWADDR2	1
+#define RT_LWIP_GWADDR3	1
+
+/* mask address of target*/
+#define RT_LWIP_MSKADDR0	255
+#define RT_LWIP_MSKADDR1	255
+#define RT_LWIP_MSKADDR2	255
+#define RT_LWIP_MSKADDR3	0
+
+/* tcp thread options */
+#define RT_LWIP_TCPTHREAD_PRIORITY		12
+#define RT_LWIP_TCPTHREAD_MBOX_SIZE		10
+#define RT_LWIP_TCPTHREAD_STACKSIZE		1024
+
+/* ethernet if thread options */
+#define RT_LWIP_ETHTHREAD_PRIORITY		15
+#define RT_LWIP_ETHTHREAD_MBOX_SIZE		10
+#define RT_LWIP_ETHTHREAD_STACKSIZE		512
+
+/* TCP sender buffer space */
+#define RT_LWIP_TCP_SND_BUF	8192
+/* TCP receive window. */
+#define RT_LWIP_TCP_WND		8192
+
+/* SECTION: RT-Thread/GUI */
+/* #define RT_USING_RTGUI */
+
+/* name length of RTGUI object */
+#define RTGUI_NAME_MAX		12
+/* support 16 weight font */
+#define RTGUI_USING_FONT16
+/* support Chinese font */
+#define RTGUI_USING_FONTHZ
+/* use DFS as file interface */
+#define RTGUI_USING_DFS_FILERW
+/* use font file as Chinese font */
+#define RTGUI_USING_HZ_FILE
+/* use Chinese bitmap font */
+#define RTGUI_USING_HZ_BMP
+/* use small size in RTGUI */
+#define RTGUI_USING_SMALL_SIZE
+/* use mouse cursor */
+/* #define RTGUI_USING_MOUSE_CURSOR */
+/* default font size in RTGUI */
+#define RTGUI_DEFAULT_FONT_SIZE	16
+
+/* image support */
+/* #define RTGUI_IMAGE_XPM */
+/* #define RTGUI_IMAGE_BMP */
+
+#endif

bsp/x86/rtconfig.py

@@ -0,0 +1,41 @@
+# toolchains options
+ARCH='ia32'
+CPU=''
+CROSS_TOOL='gcc'
+
+# cross_tool provides the cross compiler
+# EXEC_PATH is the compiler execute path, for example, CodeSourcery,
+
+if  CROSS_TOOL == 'gcc':
+	PLATFORM 	= 'gcc'
+	EXEC_PATH 	= 'E:/Program Files/CodeSourcery/Sourcery_CodeBench_Lite_for_IA32_ELF/bin'
+
+BUILD = 'debug'
+
+if PLATFORM == 'gcc':
+    # toolchains
+    PREFIX = 'i686-elf-'
+    CC = PREFIX + 'gcc'
+    AS = PREFIX + 'gcc'
+    AR = PREFIX + 'ar'
+    LINK = PREFIX + 'gcc'
+    TARGET_EXT = 'elf'
+    SIZE = PREFIX + 'size'
+    OBJDUMP = PREFIX + 'objdump'
+    OBJCPY = PREFIX + 'objcopy'
+
+    DEVICE = ' -mtune=generic'
+    CFLAGS = DEVICE + ' -Wall'
+    AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
+    LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-ia32.map,-cref,-u,_start -T x86_ram.lds'
+
+    CPATH = ''
+    LPATH = ''
+
+    if BUILD == 'debug':
+        CFLAGS += ' -O0 -gdwarf-2'
+        AFLAGS += ' -gdwarf-2'
+    else:
+        CFLAGS += ' -O2'
+
+    POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n'

bsp/x86/qemu_ram.lds → bsp/x86/x86_ram.lds

@@ -8,9 +8,20 @@ SECTIONS
 	. = ALIGN(4);
 	.text :
 	{
-	  *(.init)
-	  *(.text)
-	}
+		*(.init)
+		*(.text)
+
+		/* section information for finsh shell */
+		. = ALIGN(4);
+		__fsymtab_start = .;
+		KEEP(*(FSymTab))
+		__fsymtab_end = .;
+		. = ALIGN(4);
+		__vsymtab_start = .;
+		KEEP(*(VSymTab))
+		__vsymtab_end = .;
+		. = ALIGN(4);	
+	  }
 	
 	. = ALIGN(4);
 	.rodata : { *(.rodata) }