Blenderwizard/drivers_and_interrupts
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This commit is contained in:
Jolan Rathelot 2024-04-15 13:24:34 +02:00
parent 2f8b9a1e37
commit c2114de992
4 changed files with 17 additions and 5 deletions
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5
.idea/workspace.xml generated
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@ -16,7 +16,9 @@
<configurations /> <configurations />
</component> </component>
<component name="ChangeListManager"> <component name="ChangeListManager">
<list default="true" id="2686ebbf-1c6c-4484-bb57-dec59a208d53" name="Changes" comment="" /> <list default="true" id="2686ebbf-1c6c-4484-bb57-dec59a208d53" name="Changes" comment="">
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
</list>
<option name="SHOW_DIALOG" value="false" /> <option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" /> <option name="HIGHLIGHT_CONFLICTS" value="true" />
<option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" /> <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@ -153,6 +155,7 @@
<workItem from="1710410734122" duration="3818000" /> <workItem from="1710410734122" duration="3818000" />
<workItem from="1710428742857" duration="5381000" /> <workItem from="1710428742857" duration="5381000" />
<workItem from="1710488169055" duration="12511000" /> <workItem from="1710488169055" duration="12511000" />
<workItem from="1713174090163" duration="3761000" />
</task> </task>
<task id="LOCAL-00001" summary="Removed Rust code, added misc device and irq handle. Began work on correctly formatting print msg and logging files."> <task id="LOCAL-00001" summary="Removed Rust code, added misc device and irq handle. Began work on correctly formatting print msg and logging files.">
<option name="closed" value="true" /> <option name="closed" value="true" />

8
Makefile
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@ -6,12 +6,12 @@ all: driver_and_interrupts.ko
driver_and_interrupts.ko: $(SRC) driver_and_interrupts.ko: $(SRC)
$(MAKE) -C $(KDIR) M=$$PWD LLVM=1 $(MAKE) -C $(KDIR) M=$$PWD LLVM=1
install: modprobe rules_install install: modprobe rule_install
modules_install: driver_and_interrupts.ko module_install: driver_and_interrupts.ko
$(MAKE) -C $(KDIR) M=$$PWD LLVM=1 modules_install $(MAKE) -C $(KDIR) M=$$PWD LLVM=1 modules_install
rules_install: modules_install 99-Hotload-Keyboard.rules driver_and_interrupts.ko rule_install: module_install 99-Hotload-Keyboard.rules driver_and_interrupts.ko
cp -v 99-Hotload-Keyboard.rules /etc/udev/rules.d/ cp -v 99-Hotload-Keyboard.rules /etc/udev/rules.d/
udevadm control --reload-rules udevadm control --reload-rules
udevadm trigger udevadm trigger
@ -19,7 +19,7 @@ rules_install: modules_install 99-Hotload-Keyboard.rules driver_and_interrupts.k
clean: clean:
$(MAKE) -C $(KDIR) M=$$PWD LLVM=1 clean $(MAKE) -C $(KDIR) M=$$PWD LLVM=1 clean
modprobe: modules_install modprobe: module_install
modprobe driver_and_interrupts modprobe driver_and_interrupts
rmmod: rmmod:

4
src/main.c
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@ -56,10 +56,14 @@ static void __exit m_exit(void) {
struct linked_list_node *ptr, *tmp; struct linked_list_node *ptr, *tmp;
misc_deregister(&device); misc_deregister(&device);
size_t len = 0;
list_for_each_entry_safe(ptr, tmp, &keyboard_log, list){ list_for_each_entry_safe(ptr, tmp, &keyboard_log, list){
len++;
list_del(&ptr->list); list_del(&ptr->list);
kfree(ptr); kfree(ptr);
} }
printk(KERN_INFO "Captured %zu Keyboard inputs", len);
free_irq(1,&key_logger); free_irq(1,&key_logger);
mutex_destroy(&lock); mutex_destroy(&lock);
printk(KERN_INFO "Drivers and Interrupts (exit)\n"); printk(KERN_INFO "Drivers and Interrupts (exit)\n");

5
src/misc_device_fops.c
View File

@ -45,6 +45,10 @@ ssize_t read_keyboard_misc_device(struct file *file, char __user *buf, size_t co
char min = (tmp->when.tv_sec - (sys_tz.tz_minuteswest * 60)) / 60 % 60; char min = (tmp->when.tv_sec - (sys_tz.tz_minuteswest * 60)) / 60 % 60;
char hour = (tmp->when.tv_sec - (sys_tz.tz_minuteswest * 60)) / 60 / 60 % 24; char hour = (tmp->when.tv_sec - (sys_tz.tz_minuteswest * 60)) / 60 / 60 % 24;
char *buffer = kmalloc(sizeof(char) * tmp->size, GFP_KERNEL); char *buffer = kmalloc(sizeof(char) * tmp->size, GFP_KERNEL);
if (!buffer) {
mutex_unlock(&lock);
return -ENOMEM;
}
memset(buffer, 0, tmp->size); memset(buffer, 0, tmp->size);
snprintf(buffer, tmp->size, "%02d:%02d:%02d \"%s\"", hour, min, sec, tmp->key.key_name); snprintf(buffer, tmp->size, "%02d:%02d:%02d \"%s\"", hour, min, sec, tmp->key.key_name);
if (tmp->key.ascii_value) { if (tmp->key.ascii_value) {
@ -58,6 +62,7 @@ ssize_t read_keyboard_misc_device(struct file *file, char __user *buf, size_t co
if (copy_to_user(buf + user_offset, buffer + node_offset, tmp->size - node_offset)) { if (copy_to_user(buf + user_offset, buffer + node_offset, tmp->size - node_offset)) {
kfree(buffer); kfree(buffer);
mutex_unlock(&lock);
return -EFAULT; return -EFAULT;
} }
kfree(buffer); kfree(buffer);