From: AceVest <zhaoyanbai@126.com>
Date: Sat, 3 May 2014 03:14:23 +0000 (+0800)
Subject: alloc task union
X-Git-Tag: 0.3.0~71
X-Git-Url: http://zhaoyanbai.com/repos/man.isc-hmac-fixup.html?a=commitdiff_plain;h=755e7e1fab4fd701220fe8699eec240a0705bb54;p=kernel.git

alloc task union
---

diff --git a/drivers/hd.c b/drivers/hd.c
index 41b12f8..04c47dd 100644
--- a/drivers/hd.c
+++ b/drivers/hd.c
@@ -13,8 +13,8 @@
 #include <hd.h>
 #include <irq.h>
 #include <system.h>
-//void    hd_handler(pPtRegs regs, unsigned int irq)
-void    hd_handler(unsigned int irq, pPtRegs regs, void *dev_id)
+//void    hd_handler(pt_regs_t * regs, unsigned int irq)
+void    hd_handler(unsigned int irq, pt_regs_t * regs, void *dev_id)
 {
     printk("hd_handler:%d ", irq);
 }
diff --git a/drivers/keyboard.c b/drivers/keyboard.c
index 1d85d88..6dd8850 100644
--- a/drivers/keyboard.c
+++ b/drivers/keyboard.c
@@ -35,7 +35,7 @@ static struct
 
 extern void reboot();
 extern void poweroff();
-void    kbd_handler(unsigned int irq, pPtRegs regs, void *dev_id)
+void    kbd_handler(unsigned int irq, pt_regs_t * regs, void *dev_id)
 {
     unsigned char ScanCode;
     //printk("%s\n", dev_id);
diff --git a/include/irq.h b/include/irq.h
index eaf90e4..48573e9 100644
--- a/include/irq.h
+++ b/include/irq.h
@@ -32,8 +32,8 @@ typedef struct irq_chip
 
 typedef struct irqaction
 {
-    //void (*handler)(pPtRegs regs, unsigned int irq);
-    void    (*handler)(unsigned int irq, pPtRegs regs, void *dev_id);
+    //void (*handler)(pt_regs_t * regs, unsigned int irq);
+    void    (*handler)(unsigned int irq, pt_regs_t * regs, void *dev_id);
     const char *dev_name;
     void *dev_id;
     struct irqaction *next;    
@@ -51,8 +51,8 @@ extern    irq_chip_t    i8259_chip;
 extern    irq_desc_t    irq_desc[];
 extern    irq_desc_t    no_irq_desc;
 int    request_irq(unsigned int irq,
-    //void (*handler)(pPtRegs, unsigned int),
-    void    (*handler)(unsigned int, pPtRegs, void *),
+    //void (*handler)(pt_regs_t *, unsigned int),
+    void    (*handler)(unsigned int, pt_regs_t *, void *),
     const char *devname,
     void    *dev_id);
 
diff --git a/include/mm.h b/include/mm.h
index 2f6a75b..ec39222 100644
--- a/include/mm.h
+++ b/include/mm.h
@@ -20,3 +20,6 @@ unsigned long bootmem_page_state(unsigned long pfn);
 
 #define bootmem_alloc_pages(n) alloc_bootmem((n)*PAGE_SIZE, PAGE_SIZE)
 
+
+kmem_cache_t *kmem_cache_create(const char *name, size_t size, size_t align);
+void *kmem_cache_alloc(kmem_cache_t *cache, gfp_t gfpflags);
diff --git a/include/page.h b/include/page.h
index 308da1a..851c75d 100644
--- a/include/page.h
+++ b/include/page.h
@@ -148,6 +148,7 @@ struct kmem_cache
 };
 
 
+
 // TODO Remove
 typedef struct page_
 {
diff --git a/include/sched.h b/include/sched.h
index eb5ac77..1df4a71 100644
--- a/include/sched.h
+++ b/include/sched.h
@@ -19,16 +19,16 @@
 
 #include <task.h>
 #define NR_TASKS    3
-//pTask    tTasks[NR_TASKS];
+//task_union *    tTasks[NR_TASKS];
 //void    add_task();
-void    SetupTasks();
+//void    SetupTasks();
 //void    test_taskA();
 //void    test_taskB();
-//unsigned long schedule(pPtRegs    regs);
+//unsigned long schedule(pt_regs_t *    regs);
 unsigned long schedule();
 
 pid_t    get_next_pid();
-void    init_tsk_cr3(pTask);
+void    init_tsk_cr3(task_union *);
 
 
 inline void wake_up(pWaitQueue wq);
diff --git a/include/system.h b/include/system.h
index 4cd0b33..333b2eb 100644
--- a/include/system.h
+++ b/include/system.h
@@ -14,7 +14,7 @@
  *--------------------------------------------------------------------------
  */
 
-#ifndef    _SYSTEM_H
+#ifndef _SYSTEM_H
 #define _SYSTEM_H
 
 #include <page.h>
@@ -99,18 +99,17 @@ enum GDTSelectorIndex
     INDEX_EMP8,
     INDEX_TSS,
 };
-// pushad push eax, ecx, edx, ebx, esp, ebp, esi, edi
-typedef    struct
+// pushal push eax, ecx, edx, ebx, esp, ebp, esi, edi
+typedef struct pt_regs
 {
     u32    edi;
     u32    esi;
     u32    ebp;
-    u32    _esp;
+    u32    esp;
     u32    ebx;
     u32    edx;
     u32    ecx;
-    u32    eax;    // 因为在系统调用中用来带调用号，就无法传送参数
-            // 所以把eax放在这个位置
+    u32    eax;
     u16    ds, _ds;
     u16    es, _es;
     u16    fs, _fs;
@@ -123,9 +122,9 @@ typedef    struct
     u32    eip;
     u16    cs, _cs;
     u32    eflags;
-    u32    esp;
+    u32    _esp;
     u16    ss, _ss;
-} PtRegs, *pPtRegs;
+} pt_regs_t;
 
 typedef    unsigned long    Dev, *pDev;
 
@@ -170,28 +169,28 @@ extern    System system;
 #endif
 
 
-#define SAVE_REGS   \
-    cld;            \
-    pushl    %gs;    \
-    pushl    %fs;    \
-    pushl    %es;    \
-    pushl    %ds;    \
+#define SAVE_REGS       \
+    cld;                \
+    pushl    %gs;       \
+    pushl    %fs;       \
+    pushl    %es;       \
+    pushl    %ds;       \
     pushal;
 
 #define RESTORE_REGS    \
-    popal;          \
-    popl    %ds;    \
-    popl    %es;    \
-    popl    %fs;    \
+    popal;              \
+    popl    %ds;        \
+    popl    %es;        \
+    popl    %fs;        \
     popl    %gs;
 
 
-#define PRIVILEGE_KRNL    0x0
-#define PRIVILEGE_USER    0x3
+#define PRIVILEGE_KRNL      0x0
+#define PRIVILEGE_USER      0x3
 
-#define INDEX_UCODE    3
-#define INDEX_UDATA    4
-/* *8 == <<3 .但要用于汇编文件 <<3 不行. */
+#define INDEX_UCODE         3
+#define INDEX_UDATA         4
+/* *8 == <<3 . but <<3 is not right for asm code. */
 #define SELECTOR_KRNL_CS    (INDEX_KCODE*8)
 #define SELECTOR_KRNL_DS    (INDEX_KDATA*8)
 #define SELECTOR_KRNL_SS    SELECTOR_KRNL_DS
diff --git a/include/task.h b/include/task.h
index 29ba18f..405ccd1 100644
--- a/include/task.h
+++ b/include/task.h
@@ -36,7 +36,7 @@ typedef union task_union
 {
     struct
     {
-        PtRegs        regs;
+        pt_regs_t        regs;
 
         unsigned long    esp0;    /* 指示发生在用户态的中断在进入
                        内核态后的栈位置 */
@@ -62,15 +62,22 @@ typedef union task_union
     };
 
     unsigned char stack[TASK_SIZE];
-} task_struct;
+} task_union;
 
+task_union *alloc_task_union();
 
-typedef task_struct Task;
-typedef task_struct *pTask;
 
-#define ROOT_TSK_PID    (1)
+static inline task_union *get_current()
+{
+    task_union *tsk;
+    asm("andl %%esp, %0;":"=r"(tsk):"0"(~(TASK_SIZE-1)));
+    return tsk;
+}
+
+#define current get_current()
+
+#define ROOT_TSK_PID    (0)
 
-extern    pTask        current;
 extern    ListHead    tsk_list;
 
 #define add_tsk2list(tsk)    list_add_tail((&(tsk)->list), &tsk_list)
diff --git a/kernel/clock.c b/kernel/clock.c
index 44a314c..a7d3e96 100644
--- a/kernel/clock.c
+++ b/kernel/clock.c
@@ -15,7 +15,7 @@
 
 static unsigned int jiffies = 0;
 
-void    clk_handler(unsigned int irq, pPtRegs regs, void *dev_id)
+void    clk_handler(unsigned int irq, pt_regs_t * regs, void *dev_id)
 {
     jiffies++;
 
diff --git a/kernel/exec.c b/kernel/exec.c
index a3390ba..0d4369c 100644
--- a/kernel/exec.c
+++ b/kernel/exec.c
@@ -162,9 +162,9 @@ int sysc_exec(const char *path, char *const argv[])
 
 
     /* 准备内核栈的数据并从ret_from_fork返回 */
-    pPtRegs    regs    = ((pPtRegs)(TASK_SIZE+(unsigned long)current)) - 1;
+    pt_regs_t *    regs    = ((pt_regs_t *)(TASK_SIZE+(unsigned long)current)) - 1;
     extern void ret_from_fork();
-    memset((void*)regs, 0, sizeof(PtRegs));
+    memset((void*)regs, 0, sizeof(pt_regs_t));
     regs->ss    = SELECTOR_USER_DS;
     regs->ds    = SELECTOR_USER_DS;
     regs->es    = SELECTOR_USER_DS;
diff --git a/kernel/fork.c b/kernel/fork.c
index 89c7a33..b2941a2 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -11,22 +11,42 @@
  */
 
 #include <sched.h>
-#if 1
-int sysc_fork()
+
+int sysc_fork(pt_regs_t regs)
+{
+    return do_fork(&regs, 0);
+}
+
+extern void ret_from_fork();
+int do_fork(pt_regs_t *regs, unsigned long flags)
 {
-    // 先分配一个进程控制结构
-    task_struct *tsk;
-    // TODO tsk = get_unused_task_pcb();
+    task_union *tsk;
+    tsk = alloc_task_union();
     if(tsk == NULL)
         panic("can not malloc PCB");
 
-    //printk("CHILD:%08x\n", tsk);
-
-    memcpy(tsk, current, sizeof(task_struct));
+    memcpy(tsk, current, sizeof(task_union));
 
     tsk->pid    = get_next_pid();
-    tsk->ppid    = current->pid;
+    tsk->ppid   = current->pid;
+
+    pt_regs_t *child_regs = ((pt_regs_t *) (TASK_SIZE+(unsigned long) tsk)) - 1;
+
+    *child_regs = *regs;
+
+    child_regs->eax = 0;
+
+    regs->eax   = 0x00;
+    tsk->esp0   = TASK_SIZE + (unsigned long) tsk;
+    tsk->esp    = (unsigned long) child_regs;
+    tsk->eip    = (unsigned long) ret_from_fork;
+
+    tsk->state = TASK_RUNNING;
+
+    return (int)tsk->pid;
+}
 
+#if 0
     init_tsk_cr3(tsk);
 
     int i, j;
@@ -76,7 +96,7 @@ int sysc_fork()
     //tsk->regs    = *regs;
     //tsk->regs.eax    = 0x00;
     //tsk->regs.eflags |= 0x200; //enable IF
-    pPtRegs    regs    = ((pPtRegs)(TASK_SIZE+(unsigned long) tsk))-1;
+    //TODO pPtRegs    regs    = ((pPtRegs)(TASK_SIZE+(unsigned long) tsk))-1;
     extern    void ret_from_fork();
     regs->eax    = 0x00;
     tsk->esp0    = TASK_SIZE + (unsigned long) tsk;
diff --git a/kernel/i8259.c b/kernel/i8259.c
index b95e449..bb9d542 100644
--- a/kernel/i8259.c
+++ b/kernel/i8259.c
@@ -106,7 +106,7 @@ irq_chip_t    i8259_chip =
     .ack        = mask_ack_i8259_irq,
 };
 
-void do_i8259_IRQ(pPtRegs regs, unsigned int irq)
+void do_i8259_IRQ(pt_regs_t * regs, unsigned int irq)
 {
 
 
diff --git a/kernel/init.c b/kernel/init.c
index f752ff0..ba83b30 100644
--- a/kernel/init.c
+++ b/kernel/init.c
@@ -17,6 +17,8 @@ void    setup_kernel();
 
 TSS    tss;
 System    system;
+Desc    idt[NIDT];
+Desc    gdt[NGDT];
 
 char __initdata kernel_init_stack[KRNL_INIT_STACK_SIZE] __attribute__ ((__aligned__(PAGE_SIZE)));
 
@@ -82,6 +84,7 @@ void root_task_entry()
     while(1)
     {
         asm("hlt;");
+        sysc_test();
         //syscall0(SYSC_TEST);
     }
     pid_t pid;
diff --git a/kernel/innerint.c b/kernel/innerint.c
index abd75ea..a8f5150 100644
--- a/kernel/innerint.c
+++ b/kernel/innerint.c
@@ -26,63 +26,63 @@
     while(1);                        \
 }while(0);
 
-void doDivideError(PtRegs regs)
+void doDivideError(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doDebug(PtRegs regs)
+void doDebug(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doNMI(PtRegs regs)
+void doNMI(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doBreakPoint(PtRegs regs)
+void doBreakPoint(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doOverFlow(PtRegs regs)
+void doOverFlow(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doBoundsCheck(PtRegs regs)
+void doBoundsCheck(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doInvalidOpcode(PtRegs regs)
+void doInvalidOpcode(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doDeviceNotAvailable(PtRegs regs)
+void doDeviceNotAvailable(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doDoubleFault(PtRegs regs)
+void doDoubleFault(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doCoprocSegOverRun(PtRegs regs)
+void doCoprocSegOverRun(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doInvalidTss(PtRegs regs)
+void doInvalidTss(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doSegNotPresent(PtRegs regs)
+void doSegNotPresent(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doStackFault(PtRegs regs)
+void doStackFault(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doGeneralProtection(PtRegs regs)
+void doGeneralProtection(pt_regs_t regs)
 {
     DIE_MSG();
 }
-void doPageFault(PtRegs regs)
+void doPageFault(pt_regs_t regs)
 {
     //DIE_MSG();
     void    *addr;
@@ -112,7 +112,7 @@ void doPageFault(PtRegs regs)
         do_wp_page(addr);
     }
 }
-void doCoprocError(PtRegs regs)
+void doCoprocError(pt_regs_t regs)
 {
     DIE_MSG();
 }
diff --git a/kernel/irq.c b/kernel/irq.c
index ee4e25a..a37b205 100644
--- a/kernel/irq.c
+++ b/kernel/irq.c
@@ -35,7 +35,7 @@ irq_desc_t    no_irq_desc =
     .status    = 0,
     .depth    = 0
 };
-__attribute__ ((regparm(1))) void    irq_handler(pPtRegs regs)
+__attribute__ ((regparm(1))) void    irq_handler(pt_regs_t * regs)
 {
 
     unsigned int irq = regs->irq;
@@ -53,7 +53,7 @@ __attribute__ ((regparm(1))) void    irq_handler(pPtRegs regs)
 
 
 int    request_irq(    unsigned int irq,
-            void    (*handler)(unsigned int, pPtRegs, void *),
+            void    (*handler)(unsigned int, pt_regs_t *, void *),
             const char *devname,
             void    *dev_id)
 {
diff --git a/kernel/processor.c b/kernel/processor.c
deleted file mode 100644
index e3b0738..0000000
--- a/kernel/processor.c
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * ------------------------------------------------------------------------
- *   File Name: processor.c
- *      Author: Zhao Yanbai
- *              Thu Mar 27 23:44:12 2014
- * Description: none
- * ------------------------------------------------------------------------
- */
-#include "processor.h"
-
-Desc    idt[NIDT];
-Desc    gdt[NGDT];
diff --git a/kernel/sched.c b/kernel/sched.c
index 18891eb..858509a 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -16,10 +16,9 @@
 
 #include "sched.h"
 #include "assert.h"
+#include "mm.h"
 
-pTask        current;
-
-task_struct root_task __attribute__((__aligned__(PAGE_SIZE)));
+task_union root_task __attribute__((__aligned__(PAGE_SIZE)));
 
 pid_t    get_next_pid()
 {
@@ -28,14 +27,14 @@ pid_t    get_next_pid()
     return g_pid++;
 }
 
-inline    void    load_cr3(pTask    tsk)
+inline    void    load_cr3(task_union *    tsk)
 {
     //printk("tsk %08x cr3: %08x\n",tsk, tsk->cr3);
     asm("movl %%eax,%%cr3;"::"a"(tsk->cr3));
     //int j=10000; while(j--);
 }
 
-void    init_tsk_cr3(pTask tsk)
+void    init_tsk_cr3(task_union * tsk)
 {
     tsk->cr3 = pa2va(get_phys_pages(1));
 
@@ -89,19 +88,30 @@ void    init_root_tsk()
 */
 }
 
+kmem_cache_t *task_union_cache;
+
 void    setup_tasks()
 {
 
-    /* 初始化第一个特殊的进程 */
     init_root_tsk();
+
+    kmem_cache_t *task_union_cache = kmem_cache_create("task_union", sizeof(task_union), PAGE_SIZE);
+    if(0 == task_union_cache)
+        panic("setup tasks failed. out of memory");
+
 #if 0
     add_task(test_taskB);
     add_task(test_taskA);
 #endif
 }
 
+task_union *alloc_task_union()
+{
+    return (task_union *) kmem_cache_alloc(task_union_cache, 0);
+}
+
 
-task_struct *get_unused_task_pcb()
+task_union *get_unused_task_pcb()
 {
     unsigned int i;
     for(i=0; i<TASK_CNT; ++i)
@@ -110,18 +120,18 @@ task_struct *get_unused_task_pcb()
     }
 }
 
-inline    pTask get_next_tsk()
+inline    task_union * get_next_tsk()
 {
 #if 0
     static unsigned int inx = 0;
     unsigned int i = 0;
-    task_struct *tsk = root_task;
+    task_union *tsk = root_task;
 
     for(i=0; i<TASK_CNT; ++i)
     {
         inx = (inx + i) % TASK_CNT;
 
-        task_struct *p = root_task + inx;
+        task_union *p = root_task + inx;
 
         if(tsk->state == TASK_RUNNING)
         {
@@ -135,7 +145,7 @@ inline    pTask get_next_tsk()
     return 0;
 }
 
-inline void set_esp0(pTask tsk)
+inline void set_esp0(task_union * tsk)
 {
     tss.esp0 = tsk->esp0;
 }
@@ -147,9 +157,9 @@ inline void    switch_to()
     set_esp0(current);
 }
 
-inline void context_switch(pTask prev, pTask next)
+inline void context_switch(task_union * prev, task_union * next)
 {
-    //pTask    last;
+    //task_union *    last;
     unsigned long eax, ebx, ecx, edx, esi, edi;
     //asm("xchg %bx, %bx");
     asm volatile(
@@ -178,7 +188,7 @@ inline void context_switch(pTask prev, pTask next)
 unsigned long    schedule()
 {
 #if 0
-    pTask    tsk, prev, next;
+    task_union *    tsk, prev, next;
 
     cli();    // For Safe.
     tsk = current;
diff --git a/kernel/syscall.S b/kernel/syscall.S
index 9e9bf74..7a9dc49 100644
--- a/kernel/syscall.S
+++ b/kernel/syscall.S
@@ -32,9 +32,16 @@
 syscall_entry:
     movl    (%esp),%esp
 
+    pushl   $(SELECTOR_USER_SS)
+    pushl   %ebp
+    pushfl
+    pushl   $(SELECTOR_USER_CS)
+    pushl   $sysexit
+    pushl   $0
+
     SAVE_REGS
 
-    pushl    %eax
+    pushl   %eax
     movw    %ss, %ax
     movw    %ax, %ds
     movw    %ax, %es
@@ -51,6 +58,8 @@ syscall_exit:
     movl    %eax, EAX(%esp)
 
     RESTORE_REGS
+
+    # addl    $20, %esp # no need now
     
     leal    sysexit, %edx
     movl    %ebp, %ecx
diff --git a/kernel/test_task.c b/kernel/test_task.c
index 2dce581..1a15a16 100644
--- a/kernel/test_task.c
+++ b/kernel/test_task.c
@@ -15,7 +15,7 @@
 #include <sched.h>
 #include <assert.h>
 #include <system.h>
-pTask    tTasks[NR_TASKS];
+task_union *    tTasks[NR_TASKS];
 
 #if 0
 void    SetuptTasks()
@@ -36,7 +36,7 @@ void    add_task(void *fun)
 {
 #if 0
     assert(fun != NULL);
-    pTask    tsk = NULL;
+    task_union *    tsk = NULL;
     tsk = kmalloc_old(sizeof(Task));
     if(tsk == NULL)
         panic("shit happens");
@@ -47,9 +47,9 @@ void    add_task(void *fun)
     tsk->ppid    = 0;
     init_tsk_cr3(tsk);
 
-    pPtRegs    r;
+    pt_regs_t *    r;
     r = &tsk->regs;
-    memset((void *)r, 0, sizeof(PtRegs));
+    memset((void *)r, 0, sizeof(pt_regs_t));
     r->ds = r->es = r->fs = r->gs = SELECTOR_USER_DS;
     r->eip        = (unsigned long)fun;
     r->cs        = SELECTOR_USER_CS;
@@ -65,7 +65,7 @@ void    add_task(void *fun)
 void    add_task(void *fun)
 {
     assert(fun != NULL);
-    pTask    tsk = NULL;
+    task_union *    tsk = NULL;
     int i=0;
     for(i=0; i<NR_TASKS; i++)
     {
@@ -82,13 +82,13 @@ void    add_task(void *fun)
     if(i == NR_TASKS)
         panic("tasks full");
 
-    pPtRegs    r;
-    r = &tsk->regs;//(pPtRegs)(TASK_SIZE + (unsigned long)tsk);
+    pt_regs_t *    r;
+    r = &tsk->regs;//(pt_regs_t *)(TASK_SIZE + (unsigned long)tsk);
     //printk("Add Tsk: tsk:%08x r:%08x ", tsk, r);
     //r--;
-    //printk("r:%08x sizeof regs:%x ", r, sizeof(PtRegs));
+    //printk("r:%08x sizeof regs:%x ", r, sizeof(pt_regs_t));
 
-    memset((void *)r, 0, sizeof(PtRegs));
+    memset((void *)r, 0, sizeof(pt_regs_t));
     //printk("USER CS: %x\n", SELECTOR_USER_CS);
     //printk("USER DS: %x\n", SELECTOR_USER_DS);
     r->ds = r->es = r->fs = r->gs = SELECTOR_USER_DS;
diff --git a/mm/slub.c b/mm/slub.c
index 9d99bfa..5221ad7 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -57,15 +57,6 @@ static bool calculate_params(kmem_cache_t *cache)
     return true;
 }
 
-kmem_cache_t *kmem_cache_create(const char *name,
-                                size_t size,
-                                size_t align)
-{
-
-
-    return 0;
-}
-
 
 static bool kmem_cache_init(kmem_cache_t *cache,
                             const char *name,
@@ -275,6 +266,19 @@ void kfree(void *addr)
     slub_free(cache, page, addr);
 }
 
+kmem_cache_t *kmem_cache_create(const char *name, size_t size, size_t align)
+{
+    kmem_cache_t *cache = kmalloc(sizeof(kmem_cache_t), 0);
+    if(cache == 0)
+        return 0;
+
+    kmem_cache_init(cache, name, size, align);
+
+    list_add(&(cache->list), &slub_caches);
+
+    return cache;
+}
+
 
 void init_slub_system()
 {
diff --git a/setup/system.c b/setup/system.c
index f42501b..072bb6a 100644
--- a/setup/system.c
+++ b/setup/system.c
@@ -119,11 +119,11 @@ void    setup_irqs()
             irq_desc[i].chip = &i8259_chip;
     }
 
-    //extern    void kbd_handler(pPtRegs, unsigned int); //extern    void clk_handler(pPtRegs, unsigned int);
-    //extern    void hd_handler(pPtRegs, unsigned int);
-    void    kbd_handler(unsigned int irq, pPtRegs regs, void *dev_id);
-    void    clk_handler(unsigned int irq, pPtRegs regs, void *dev_id);
-    void    hd_handler(unsigned int irq, pPtRegs regs, void *dev_id);
+    //extern    void kbd_handler(pt_regs_t *, unsigned int); //extern    void clk_handler(pt_regs_t *, unsigned int);
+    //extern    void hd_handler(pt_regs_t *, unsigned int);
+    void    kbd_handler(unsigned int irq, pt_regs_t * regs, void *dev_id);
+    void    clk_handler(unsigned int irq, pt_regs_t * regs, void *dev_id);
+    void    hd_handler(unsigned int irq, pt_regs_t * regs, void *dev_id);
     request_irq(0x00, clk_handler,    "Intel 8254",    "Clock Chip");
     request_irq(0x01, kbd_handler,    "Intel 8042",    "PS/2 Keyboard");
     request_irq(0x0E, hd_handler,     "IDE",           "IDE");