Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We鈥檒l occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix spinlock headers #477

Closed
wants to merge 3 commits into from
Closed

Fix spinlock headers #477

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
c4022a2
include/arch: Add config.h
marcrittinghaus Jun 17, 2022
8970b67
include/arm64: Add essentials header
marcrittinghaus Jun 17, 2022
387a75f
include/arch: Add macro check and fix spelling
marcrittinghaus Jun 17, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
1 change: 1 addition & 0 deletions arch/arm/arm64/include/uk/asm/spinlock.h
View file
Open in desktop
Expand Up @@ -34,6 +34,7 @@
#error Do not include this header directly
#endif

#include <uk/essentials.h>
#include <uk/arch/atomic.h>

struct __align(8) __spinlock {
Expand Down
16 changes: 10 additions & 6 deletions include/uk/arch/spinlock.h
View file
Open in desktop
Expand Up @@ -29,6 +29,7 @@
extern "C" {
#endif

#include <uk/config.h>
#include <uk/arch/lcpu.h>

#ifdef CONFIG_HAVE_SMP
Expand All @@ -40,36 +41,39 @@ typedef struct __spinlock __spinlock;
/**
* UKARCH_SPINLOCK_INITIALIZER() macro
*
* Statically initialize a spinlock to unlocked stated.
* Statically initialize a spinlock to unlocked state.
*/
#ifndef UKARCH_SPINLOCK_INITIALIZER
#error The spinlock implementation must define UKARCH_SPINLOCK_INITIALIZER
#endif /* UKARCH_SPINLOCK_INITIALIZER */

/**
* Initialize a spinlock to unlocked state.
*
* @param [in/out] lock Pointer to spinlock.
* @param [in,out] lock Pointer to spinlock.
*/
void ukarch_spin_init(__spinlock *lock);

/**
* Acquire spinlock. It is guaranteed that the spinlock will be held
* exclusively.
*
* @param [in/out] lock Pointer to spinlock.
* @param [in,out] lock Pointer to spinlock.
*/
void ukarch_spin_lock(__spinlock *lock);

/**
* Release previously acquired spinlock.
*
* @param [in/out] lock Pointer to spinlock.
* @param [in,out] lock Pointer to spinlock.
*/
void ukarch_spin_unlock(__spinlock *lock);

/**
* Try to acquire spinlock. If the lock is already acquired (busy), this
* function returns instead of spinning.
*
* @param [in/out] lock Pointer to spinlock.
* @param [in,out] lock Pointer to spinlock.
*
* @return A non-zero value if spinlock was acquired, 0 otherwise.
*/
Expand All @@ -78,7 +82,7 @@ int ukarch_spin_trylock(__spinlock *lock);
/**
* Read spinlock state. No lock/unlock operations are performed on the lock.
*
* @param [in/out] lock Pointer to spinlock.
* @param [in,out] lock Pointer to spinlock.
*
* @return A non-zero value if spinlock is acquired, 0 otherwise.
*/
Expand Down