spinlock: rename functions

kernel-src/include/spinlock.h

@@ -14,7 +14,7 @@ static inline void spinlock_acquire(spinlock_t *lock){
 	while(!__sync_bool_compare_and_swap(lock, 0, 1)) asm("pause");
 }
 
-static inline bool spinlock_acquireirqclear(spinlock_t *lock){
+static inline bool spinlock_acquire_irq_clear(spinlock_t *lock){
 	bool ret = interrupt_set(false);
 	spinlock_acquire(lock);
 	return ret;
@@ -28,18 +28,18 @@ static inline void spinlock_release(spinlock_t *lock){
 	*lock = 0;
 }
 
-static inline void spinlock_releaseirqrestore(spinlock_t *lock, bool irqstate){
+static inline void spinlock_release_irq_restore(spinlock_t *lock, bool irqstate){
 	spinlock_release(lock);
 	interrupt_set(irqstate);
 }
 
-static inline long spinlock_acquireraiseipl(spinlock_t *lock, long ipl) {
+static inline long spinlock_acquire_raise_ipl(spinlock_t *lock, long ipl) {
 	long ret = interrupt_raiseipl(ipl);
 	spinlock_acquire(lock);
 	return ret;
 }
 
-static inline void spinlock_releaseloweripl(spinlock_t *lock, long ipl) {
+static inline void spinlock_release_lower_ipl(spinlock_t *lock, long ipl) {
 	spinlock_release(lock);
 	interrupt_loweripl(ipl);
 }

kernel-src/io/acpi/glue.c

@@ -379,12 +379,12 @@ static void acpi_dowork(struct acpi_workctx *ctx) {
 
 		struct acpi_work *work = NULL;
 
-		bool irqstate = spinlock_acquireirqclear(&ctx->queuelock);
+		bool irqstate = spinlock_acquire_irq_clear(&ctx->queuelock);
 		if (ctx->head) {
 			work = ctx->head;
 			ctx->head = work->next;
 		}
-		spinlock_releaseirqrestore(&ctx->queuelock, irqstate);
+		spinlock_release_irq_restore(&ctx->queuelock, irqstate);
 
 		if (work == NULL)
 			continue;
@@ -439,10 +439,10 @@ uacpi_status uacpi_kernel_schedule_work(
 			break;
 	}
 
-	bool irqstate = spinlock_acquireirqclear(&workctx->queuelock);
+	bool irqstate = spinlock_acquire_irq_clear(&workctx->queuelock);
 	work->next = workctx->head;
 	workctx->head = work;
-	spinlock_releaseirqrestore(&workctx->queuelock, irqstate);
+	spinlock_release_irq_restore(&workctx->queuelock, irqstate);
 
 	semaphore_signal(&workctx->sem);
 	return UACPI_STATUS_OK;
@@ -452,9 +452,9 @@ static void work_await(struct acpi_workctx *ctx) {
 	for (;;) {
 		bool empty;
 
-		bool irqstate = spinlock_acquireirqclear(&ctx->queuelock);
+		bool irqstate = spinlock_acquire_irq_clear(&ctx->queuelock);
 		empty = ctx->head == NULL;
-		spinlock_releaseirqrestore(&ctx->queuelock, irqstate);
+		spinlock_release_irq_restore(&ctx->queuelock, irqstate);
 
 		if (empty)
 			return;
@@ -567,9 +567,9 @@ void uacpi_kernel_free_spinlock(uacpi_handle lock) {
 }
 
 uacpi_cpu_flags uacpi_kernel_lock_spinlock(uacpi_handle lock) {
-	return spinlock_acquireirqclear(lock);
+	return spinlock_acquire_irq_clear(lock);
 }
 
 void uacpi_kernel_unlock_spinlock(uacpi_handle lock, uacpi_cpu_flags intstate) {
-	spinlock_releaseirqrestore(lock, intstate);
+	spinlock_release_irq_restore(lock, intstate);
 }

kernel-src/io/net/udp.c

@@ -271,9 +271,9 @@ static int udp_recv(socket_t *socket, sockdesc_t *sockdesc) {
 	size_t copycount;
 	dataheader_t header;
 
-	long ipl = spinlock_acquireraiseipl(&udpsocket->ringbufferlock, IPL_DPC);
+	long ipl = spinlock_acquire_raise_ipl(&udpsocket->ringbufferlock, IPL_DPC);
 	__assert(ringbuffer_peek(&udpsocket->ringbuffer, &header, 0, sizeof(header)) == sizeof(header));
-	spinlock_releaseloweripl(&udpsocket->ringbufferlock, ipl);
+	spinlock_release_lower_ipl(&udpsocket->ringbufferlock, ipl);
 
 	copycount = min(header.length, sockdesc->count);
 

kernel-src/lib/semaphore.c

@@ -154,10 +154,10 @@ bool semaphore_signal_limit(semaphore_t *sem, int limit) {
 }
 
 void semaphore_reset(semaphore_t *sem) {
-	bool intstate = spinlock_acquireirqclear(&sem->lock);
+	bool intstate = spinlock_acquire_irq_clear(&sem->lock);
 	__assert(sem->head == NULL);
 	sem->i = 0;
-	spinlock_releaseirqrestore(&sem->lock, intstate);
+	spinlock_release_irq_restore(&sem->lock, intstate);
 }
 
 bool semaphore_haswaiters(semaphore_t *sem) {

kernel-src/main.c

@@ -0,0 +1,60 @@
+#include <arch/cpu.h>
+#include <kernel/init.h>
+#include <logging.h>
+#include <kernel/cmdline.h>
+#include <kernel/vfs.h>
+#include <kernel/devfs.h>
+#include <kernel/initrd.h>
+#include <kernel/scheduler.h>
+
+static cpu_t bsp_cpu;
+
+INIT_ROUTINE_DEFINE(bsp_early, 
+		INIT_ROUTINE_FLAGS_PHONY, 
+		NULL,
+		alloc, term, cpu
+	);
+
+void kernel_entry() {
+	cpu_set(&bsp_cpu);
+	logging_sethook(arch_early_log);
+
+	init_run_routine(INIT_GET_ROUTINE(bsp_early));
+
+	cmdline_parse();
+
+	init_run_all_routines();
+
+	// kernel is fully up and running by now
+	// mount root filesystem
+
+	char *root   = cmdline_get("root");
+	char *rootfs = cmdline_get("rootfs");
+
+	printf("entry: mounting %s (%s) on /\n", root == NULL ? "none" : root, rootfs);
+
+	vnode_t *backing;
+	if (root) {
+		__assert(devfs_getbyname(root, &backing) == 0);
+	} else {
+		backing = NULL;
+	}
+
+	__assert(vfs_mount(backing, vfsroot, "/", rootfs, NULL) == 0);
+
+	if (backing) {
+		VOP_RELEASE(backing);
+	}
+
+	if (cmdline_get("initrd"))
+		initrd_unpack();
+
+	// spawn init
+
+	proc_run_init();
+	sched_threadexit();
+}
+
+cpu_t *get_bsp(void) {
+	return &bsp_cpu;
+}

kernel-src/sys/syscalls/killthread.c

@@ -29,7 +29,7 @@ syscallret_t syscall_killthread(context_t *context, int pid, int tid, int signal
 	}
 
 	bool ok = false;
-	bool intstatus = spinlock_acquireirqclear(&target->threadlistlock);
+	bool intstatus = spinlock_acquire_irq_clear(&target->threadlistlock);
 
 	thread_t *thread = target->threadlist;
 	while (thread) {
@@ -42,7 +42,7 @@ syscallret_t syscall_killthread(context_t *context, int pid, int tid, int signal
 		thread = thread->procnext;
 	}
 
-	spinlock_releaseirqrestore(&target->threadlistlock, intstatus);
+	spinlock_release_irq_restore(&target->threadlistlock, intstatus);
 
 	if (ok == false) {
 		ret.errno = ESRCH;

kernel-src/sys/timer.c

@@ -97,11 +97,11 @@ void timer_isr(timer_t *timer, context_t *context) {
 }
 
 time_t timer_get_ticks(timer_t *timer) {
-	long ipl = spinlock_acquireraiseipl(&timer->lock, IPL_TIMER);
+	long ipl = spinlock_acquire_raise_ipl(&timer->lock, IPL_TIMER);
 
 	time_t ticks = timer->tickcurrent + timer->time_passed(timer);
 
-	spinlock_releaseloweripl(&timer->lock, ipl);
+	spinlock_release_lower_ipl(&timer->lock, ipl);
 
 	return ticks;
 }

kernel-src/sys/topology.c

@@ -23,7 +23,7 @@ topology_node_t *topology_create_node(void) {
 }
 
 void topology_insert(topology_node_t *node, topology_node_t *parent, int id, cpu_t *cpu) {
-	long old_ipl = spinlock_acquireraiseipl(&tree_lock, IPL_MAX);
+	long old_ipl = spinlock_acquire_raise_ipl(&tree_lock, IPL_MAX);
 
 	node->id = id;
 	node->cpu = cpu;
@@ -32,5 +32,5 @@ void topology_insert(topology_node_t *node, topology_node_t *parent, int id, cpu
 	node->sibling = node->parent->children;
 	node->parent->children = node;
 
-	spinlock_releaseloweripl(&tree_lock, old_ipl);
+	spinlock_release_lower_ipl(&tree_lock, old_ipl);
 }