添加代码、Kconfig和Makefile

bhsong@bhsong-laptop:~/develop/svn/ldd6410/linux-2.6.31/drivers/char$ mkdir driver_examples

cd driver_examples/cp ../../../../training/kernel/drivers/hello/hello.c ./cp ../../../../training/kernel/drivers/globalmem/globalmem.c ./cp ../../../../training/kernel/drivers/globalmem/globalfifo.c ./

• 在drivers/char/Kconfig中添加：

source "drivers/char/driver_examples/Kconfig"

添加drivers/char/driver_examples/Kconfig文件：

## driver examples configuration#

menuconfig DRIVER_EXAMPLE    tristate "driver examples in 'Explain Linux Device Drivers in detail'"    ---help---      say Yes to build-in hello world, globalmem, globalfifo, say M to get       those kernel modules

if DRIVER_EXAMPLE

config HELLO_WORLD    tristate "Hello World"    ---help---      To compile this driver as a module, choose M here; the module will be      called hello.mem

config GLOBALMEM    tristate "globalmem"    ---help---      To  compile this driver as a module, choose M here; the module will be      called globalmem.

config GLOBALFIFO    tristate "globalfifo"    ---help---      To  compile this driver as a module, choose M here; the module will be      called globalfifo.

endif # DRIVER_EXAMPLE

 driver examples in 'Explain Linux Device Drivers in detail' ─────────────────────────────┐  │  Arrow keys navigate the menu.  <Enter> selects submenus --->.  Highlighted letters are hotkeys.  Pressing <Y>        │    │  includes, <N> excludes, <M> modularizes features.  Press <Esc><Esc> to exit, <?> for Help, </> for Search.  Legend:  │    │  [*] built-in  [ ] excluded  <M> module  < > module capable                                                           │    │                                                                                                                       │    │ ┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐ │    │ │                      --- driver examples in 'Explain Linux Device Drivers in detail'                              │ │    │ │                      < >   Hello World (NEW)                                                                      │ │    │ │                      < >   globalmem (NEW)                                                                        │ │    │ │                      < >   globalfifo (NEW)                                                                       │ │    │ │                                                                                                                   │ │    │ │                                                                                                                   │ │    │ │                                                        

• 在drivers/char/Makefile中添加：

obj-$(CONFIG_DRIVER_EXAMPLE)        += driver_examples/

添加drivers/char/driver_examples/Makefile文件：

obj-$(CONFIG_HELLO_WORLD)       += hello.oobj-$(CONFIG_GLOBALMEM)         += globalmem.oobj-$(CONFIG_GLOBALFIFO)        += globalfifo.o

Index: drivers/char/Kconfig===================================================================--- drivers/char/Kconfig        (revision 87)+++ drivers/char/Kconfig        (working copy)Index: drivers/char/driver_examples/Makefile===================================================================--- drivers/char/driver_examples/Makefile       (revision 0)+++ drivers/char/driver_examples/Makefile       (revision 0)@@ -0,0 +1,3 @@+obj-$(CONFIG_HELLO_WORLD)              += hello.o+obj-$(CONFIG_GLOBALMEM)                += globalmem.o+obj-$(CONFIG_GLOBALFIFO)               += globalfifo.o@@ -1110,5 +1110,7 @@

 source "drivers/s390/char/Kconfig"

+source "drivers/char/driver_examples/Kconfig"+ endmenu

Index: drivers/char/Makefile===================================================================--- drivers/char/Makefile       (revision 87)+++ drivers/char/Makefile       (working copy)@@ -111,6 +111,8 @@ obj-$(CONFIG_JS_RTC)           += js-rtc.o js-rtc-y = rtc.o

+obj-$(CONFIG_DRIVER_EXAMPLE)           += driver_examples/+ # Files generated that shall be removed upon make clean clean-files := consolemap_deftbl.c defkeymap.c

Index: drivers/char/driver_examples/Kconfig===================================================================--- drivers/char/driver_examples/Kconfig        (revision 0)+++ drivers/char/driver_examples/Kconfig        (revision 0)@@ -0,0 +1,31 @@+#+# driver examples configuration+#++menuconfig DRIVER_EXAMPLE+       tristate "driver examples in 'Explain Linux Device Drivers in detail'"+       ---help---+         say Yes to build-in hello world, globalmem, globalfifo, say M to get+         those kernel modules++if DRIVER_EXAMPLE++config HELLO_WORLD+       tristate "Hello World"+       ---help---+         To compile this driver as a module, choose M here; the module will be+         called hello.++config GLOBALMEM+       tristate "globalmem"+       ---help---+         To  compile this driver as a module, choose M here; the module will be+         called globalmem.++config GLOBALFIFO+       tristate "globalfifo"+       ---help---+         To  compile this driver as a module, choose M here; the module will be+         called globalfifo.++endif # DRIVER_EXAMPLE+Index: drivers/char/Kconfig===================================================================--- drivers/char/Kconfig        (revision 87)+++ drivers/char/Kconfig        (working copy)@@ -1110,5 +1110,7 @@

 source "drivers/s390/char/Kconfig"

+source "drivers/char/driver_examples/Kconfig"+ endmenu

Index: drivers/char/Makefile===================================================================--- drivers/char/Makefile       (revision 87)+++ drivers/char/Makefile       (working copy)@@ -111,6 +111,8 @@ obj-$(CONFIG_JS_RTC)           += js-rtc.o js-rtc-y = rtc.o

+obj-$(CONFIG_DRIVER_EXAMPLE)           += driver_examples/+ # Files generated that shall be removed upon make clean clean-files := consolemap_deftbl.c defkeymap.c

Index: drivers/char/driver_examples/Kconfig===================================================================--- drivers/char/driver_examples/Kconfig        (revision 0)+++ drivers/char/driver_examples/Kconfig        (revision 0)@@ -0,0 +1,31 @@+#+# driver examples configuration+#++menuconfig DRIVER_EXAMPLE+       tristate "driver examples in 'Explain Linux Device Drivers in detail'"+       ---help---+         say Yes to build-in hello world, globalmem, globalfifo, say M to get+         those kernel modules++if DRIVER_EXAMPLE++config HELLO_WORLD+       tristate "Hello World"+       ---help---+         To compile this driver as a module, choose M here; the module will be+         called hello.++config GLOBALMEM+       tristate "globalmem"+       ---help---+         To  compile this driver as a module, choose M here; the module will be+         called globalmem.++config GLOBALFIFO+       tristate "globalfifo"+       ---help---+         To  compile this driver as a module, choose M here; the module will be+         called globalfifo.++endif # DRIVER_EXAMPLEIndex: drivers/char/driver_examples/Makefile===================================================================--- drivers/char/driver_examples/Makefile       (revision 0)+++ drivers/char/driver_examples/Makefile       (revision 0)@@ -0,0 +1,3 @@+obj-$(CONFIG_HELLO_WORLD)              += hello.o+obj-$(CONFIG_GLOBALMEM)                += globalmem.o+obj-$(CONFIG_GLOBALFIFO)               += globalfifo.o