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Remove kernel mode tasks

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This commit is contained in:
pjht 2019-05-07 14:15:52 -05:00
parent a1008b0327
commit 7f79f1367e
1 changed files with 24 additions and 31 deletions
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15
cpu/i386/tasking.c
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@ -15,18 +15,17 @@ uint32_t next_pid;
static Task* currentTask;
static Task* headTask;
static Task* createTaskKmodeCr3(void* eip,char kmode,void* cr3);
static Task* createTaskCr3(void* eip,void* cr3);
void tasking_init() {
currentTask=NULL;
next_pid=0;
headTask=createTaskKmodeCr3(NULL,1,paging_new_address_space());
headTask=tasking_createTask(NULL);
currentTask=headTask;
}
static Task* createTaskKmodeCr3(void* eip,char kmode,void* cr3) {
Task* tasking_createTaskCr3(void* eip,void* cr3) {
Task* task=kmalloc(sizeof(Task));
task->kmode=kmode;
task->regs.eax=0;
task->regs.ebx=0;
task->regs.ecx=0;
@ -75,11 +74,7 @@ char isPrivleged(uint32_t pid) {
}
Task* tasking_createTask(void* eip) {
return createTaskKmodeCr3(eip,0,paging_new_address_space());
}
Task* tasking_createTaskCr3(void* eip,void* cr3) {
return createTaskKmodeCr3(eip,0,cr3);
return tasking_createTaskCr3(eip,paging_new_address_space());
}
void tasking_send_msg(uint32_t pid,void* msg,uint32_t size) {
@ -142,7 +137,6 @@ void tasking_yield() {
} else {
block_all_ports();
}
if (!task->kmode) {
asm volatile(" \
cli; \
mov $0x23, %ax; \
@ -163,6 +157,5 @@ void tasking_yield() {
iret; \
1: \
");
}
switchTask(&oldCurr->regs, &currentTask->regs);
}