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NOT WORKING

This commit is contained in:
secXsQuared 2016-06-10 21:16:51 -07:00
parent 41aecc69f1
commit 8d7590ace4
6 changed files with 49 additions and 26 deletions
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19
x64/src/hal/hal_atomic.c
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@ -1,19 +0,0 @@
#include "hal_atomic.h"
void KAPI hal_spin_lock(uint64_t *lock)
{
if (lock != NULL)
{
while (hal_interlocked_exchange(lock, 1) == 1);
}
return;
}
void KAPI hal_spin_unlock(uint64_t *lock)
{
if (lock != NULL)
{
*lock = 0;
}
return;
}

3
x64/src/hal/inc/hal_atomic.h
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@ -1,7 +1,6 @@
#ifndef _HAL_ATOMIC_H_
#define _HAL_ATOMIC_H_
#include "k_def.h"
extern uint64_t KAPI hal_interlocked_exchange(uint64_t* dst,
uint64_t val);
extern uint64_t KAPI hal_interlocked_exchange(uint64_t* dst, uint64_t val);
#endif

20
x64/src/kernel/inc/k_atomic.h Normal file
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@ -0,0 +1,20 @@
#ifndef _ATOMIC_H_
#define _ATOMIC_H_
#include "k_def.h"
#include "k_intr.h"
typedef struct
{
uint64_t val;
} k_spin_lock_t;
void KAPI k_spin_lock(k_spin_lock_t *lock);
void KAPI k_spin_unlock(k_spin_lock_t *lock);
k_irql_t KAPI k_spin_lock_irq_set(k_spin_lock_t *lock, k_irql_t irql);
void KAPI k_spin_lock_irq_restore(k_spin_lock_t *lock, k_irql_t irql);
#endif

3
x64/src/kernel/inc/k_hal.h
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@ -17,8 +17,7 @@ extern void KAPI hal_unmask_interrupt();
extern void KAPI hal_set_interrupt_handler(uint64_t index, void (*handler)(void));
// concurrency
extern void KAPI hal_spin_lock(uint64_t * lock);
extern void KAPI hal_spin_unlock(uint64_t * lock);
extern uint64_t KAPI hal_interlocked_exchange(uint64_t* dst, uint64_t val);
// loaded kernel addr
extern char kernel_start[];

10
x64/src/kernel/inc/k_intr.h
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@ -3,12 +3,16 @@
#include "k_type.h"
#include "k_def.h"
typedef uint64_t irql_t;
typedef uint64_t k_irql_t;
#define INTR_VEC_DPC 1
#define INVR_VEC_APC 2
#define INVR_VEC_TIMER 3
#define IRQL_DISABLED 0
#define IRQL_DPC 1
#define IRQL_APC 2
#define IRQL_KERNEL 3
#define IRQL_USER 4
#define IRQL_USER 3
void KAPI k_set_interrupt_handler(uint64_t index, void (*handler)(void));

20
x64/src/kernel/k_atomic.c Normal file
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@ -0,0 +1,20 @@
#include "k_atomic.h"
#include "k_hal.h"
void KAPI k_spin_lock(k_spin_lock_t *lock)
{
if (lock != NULL)
{
while (hal_interlocked_exchange(&lock->val, 1) == 1);
}
return;
}
void KAPI k_spin_unlock(k_spin_lock_t *lock)
{
if (lock != NULL)
{
lock->val = 0;
}
return;
}