更新了内存管理的目录结构...

study/kernel/02-memory/00-code/cr3_pgd/Makefile

@@ -1,18 +1,80 @@
-ifneq ($(KERNELRELEASE),)
-
-obj-m := crs_pgd.o
-
-else
-
-KERNELDIR ?= /lib/modules/$(shell uname -r)/build
-
-PWD := $(shell pwd)
-
-all:
-	make -C $(KERNELDIR) M=$(PWD) modules
-
-clean:
-	make -C $(KERNELDIR) M=$(PWD) clean
-
-
-endif
+# ------------------------------------------------------------------------------
+#
+# Makefile for the LDD-LinuxDeviceDrivers.
+#
+# Author: gatieme
+# Create: 2016-07-29 15:50:46
+# Last modified: 2016-07-29 16:10:29
+# Description:
+# 	This program is loaded as a kernel(v2.6.18 or later) module.
+# 	Use "make install" to load it into kernel.
+# 	Use "make remove" to remove the module out of kernel.
+#
+# ------------------------------------------------------------------------------
+
+
+ROOT=../../../../../
+#PLATFORM=$(shell $(ROOT)/systype.sh)
+#include $(ROOT)/Make.defines.$(PLATFORM)
+
+#	my driver description
+DRIVER_VERSION := "1.0.0"
+DRIVER_AUTHOR  := "Gatieme @ AderStep Inc..."
+DRIVER_DESC    := "Demo module for LDD-LinuxDeviceDrivers devices"
+DRIVER_LICENSE := "Dual BSD/GPL"
+
+
+MODULE_NAME := crs_pgd
+
+ifneq ($(KERNELRELEASE),)
+
+#CFG_FLAGS += -O2  -I./
+#EXTRA_CFLAGS  += $(C_FLAGS) $(CFG_INC) $(CFG_INC)
+
+
+
+obj-m := $(MODULE_NAME).o #smodule.o
+
+else
+
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+
+PWD := $(shell pwd)
+
+modules:
+	make -C $(KERNELDIR) M=$(PWD) modules
+
+modules_install:
+	make -C $(KERNELDIR) M=$(PWD) modules_install
+
+
+
+insmod:
+	sudo insmod $(MODULE_NAME).ko
+
+reinsmod:
+	sudo rmmod $(MODULE_NAME)
+	sudo insmod $(MODULE_NAME).ko itype=2 btype=1 ctype=0xAC stype='a'
+
+
+COMMIT="[1.1.4 带参数的可加载模块](http://book.51cto.com/art/201205/337663.htm)"
+github:
+	cd $(ROOT) && make github
+
+rmmod:
+	sudo rmmod $(MODULE_NAME)
+
+test :
+	sudo ../injector/memInjector -l stack -m random -t word_0 --time 1 --timeout 3 -p 1
+
+clean:
+	make -C $(KERNELDIR) M=$(PWD) clean
+	rm -f modules.order Module.symvers Module.markers
+
+.PHNOY:
+	modules modules_install clean
+
+
+
+endif
+

study/kernel/02-memory/00-code/cr3_pgd/crs_pgd.c

@@ -1,4 +1,4 @@
-//#include <asm/system.h>
+#include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/mm_types.h>
 #include <linux/sched.h>
@@ -9,11 +9,16 @@ static unsigned long read_pgd(void)
     return (unsigned long)current->mm->pgd;
 }
 
+
+
+extern enum system_states system_state;
 static int __init init_cr3_pgd(void)
 {
     unsigned long cr3;
     unsigned long pgd = 0;
 
+    printk("system_state = %d\n", system_state);
+
     cr3 = read_cr3();
     printk("cr3----------------->0x%lx\n", cr3);
     pgd = __pa(read_pgd());