Some cleanup ; relocated the kernel at 0xC0000000

1 files changed, 68 insertions, 0 deletions

diff --git a/src/user/lib/tce/syscall.c b/src/user/lib/tce/syscall.c
new file mode 100644
index 0000000..ae58e73
--- /dev/null
+++ b/src/user/lib/tce/syscall.c
@@ -0,0 +1,68 @@
+#include <tce/syscall.h>
+#include <tce/mem.h>
+
+static int call(unsigned a, unsigned b, unsigned c, unsigned d, unsigned e, unsigned f) {
+	unsigned ret;
+	asm volatile("int $64" : "=a"(ret) : "a"(a), "b"(b), "c"(c), "d"(d), "S"(e), "D"(f));
+	return ret;
+}
+
+void thread_exit() {
+	call(0, 0, 0, 0, 0, 0);
+}
+
+void schedule() {
+	call(1, 0, 0,0, 0, 0);
+}
+
+void thread_sleep(int time) {
+	call(2, time, 0, 0, 0, 0);
+}
+
+void process_exit(int retval) {
+	call(3, retval, 0, 0, 0, 0);
+}
+
+void printk(char* str) {
+	call(4, (unsigned)str, 0, 0, 0, 0);
+}
+
+//THREAD CREATION
+struct thread_start_data {
+	void (*entry)(void*);
+	void *data;
+	void *stack;
+};
+void thread_start(void *data) {
+	struct thread_start_data *tsd = data;
+	tsd->entry(tsd->data);
+	free(tsd->stack);
+	thread_exit();
+}
+void thread_new(void (*entry)(void*), void *data) {
+	struct thread_start_data *tsd = malloc(sizeof(struct thread_start_data));
+	tsd->entry = entry;
+	tsd->data = data;
+	tsd->stack = malloc(NEW_STACK_SIZE);
+	call(5, (unsigned)thread_start, (unsigned)tsd, (unsigned)(tsd->stack + NEW_STACK_SIZE), 0, 0);
+}
+
+void irq_wait(int number) {
+	call(6, number, 0, 0, 0, 0);
+}
+
+int proc_priv() {
+	return call(7, 0, 0, 0, 0, 0);
+}
+
+int proc_setheap(size_t start, size_t end) {
+	return call(8, start, end, 0, 0, 0);
+}
+
+int shm_create(size_t offset, size_t length) {
+	return call(9, offset, length, 0, 0, 0);
+}
+
+int shm_delete(size_t offset) {
+	return call(10, offset, 0, 0, 0, 0);
+}