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rt-thread-official
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update x86. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1950 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
wuyangyong 2012-02-16 15:58:52 +00:00
parent 4f6f15601d
commit be7bd6b5d7
32 changed files with 1152 additions and 792 deletions
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14
bsp/x86/SConscript Normal file
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@ -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')

28
bsp/x86/SConstruct Normal file
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@ -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)

28
bsp/x86/application.c
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@ -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 */
}
/*@}*/

11
bsp/x86/applications/SConscript Normal file
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@ -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')

95
bsp/x86/applications/application.c Normal file
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@ -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 */
}
/*@}*/

64
bsp/x86/startup.c → bsp/x86/applications/startup.c
View File

@ -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 ;

59
bsp/x86/build/Makefile
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@ -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

9
bsp/x86/build/bsp/Makefile
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@ -1,9 +0,0 @@
KERNEL_ROOT=..
include $(KERNEL_ROOT)/config.mk
all:
make -C $(BOARD)
clean:
make -C $(BOARD) clean

39
bsp/x86/build/bsp/qemu/Makefile
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@ -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 $^ > $@

18
bsp/x86/build/clean-link
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@ -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

38
bsp/x86/build/config.local
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@ -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

140
bsp/x86/build/config.mk
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@ -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 $@ $<

59
bsp/x86/build/config.target
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@ -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

24
bsp/x86/build/create-link
View File

@ -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

29
bsp/x86/build/finsh/Makefile
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@ -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 $^ > $@

9
bsp/x86/build/libcpu/Makefile
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@ -1,9 +0,0 @@
KERNEL_ROOT=..
include $(KERNEL_ROOT)/config.mk
all:
make -C $(ARCH)
clean:
make -C $(ARCH) clean

33
bsp/x86/build/libcpu/ia32/Makefile
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@ -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 $^ > $@

9
bsp/x86/build/readme
View File

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

25
bsp/x86/build/src/Makefile
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@ -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 $^ > $@

210
bsp/x86/console.c
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@ -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;
}
/*@}*/

13
bsp/x86/drivers/SConscript Normal file
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@ -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')

47
bsp/x86/board.c → bsp/x86/drivers/board.c
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@ -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
/*@}*/

4
bsp/x86/board.h → bsp/x86/drivers/board.h
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@ -17,8 +17,4 @@
void rt_hw_board_init(void);
#ifdef RT_USING_FINSH
void rt_hw_finsh_init(void);
#endif
#endif

378
bsp/x86/drivers/console.c Normal file
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@ -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;
//}
/*@}*/

125
bsp/x86/drivers/include/bsp.h Normal file
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@ -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_ */

93
bsp/x86/drivers/include/grub.h Normal file
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@ -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

108
bsp/x86/drivers/include/i386.h Normal file
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@ -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

0
bsp/x86/keyboard.c → bsp/x86/drivers/keyboard.c
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0
bsp/x86/serial.c → bsp/x86/drivers/serial.c
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177
bsp/x86/rtconfig.h Normal file
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@ -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

41
bsp/x86/rtconfig.py Normal file
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@ -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'

17
bsp/x86/qemu_ram.lds → bsp/x86/x86_ram.lds
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@ -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) }