[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/arch/arm64/thread.c b/src/bsp/lk/arch/arm64/thread.c
new file mode 100644
index 0000000..56b0bf9
--- /dev/null
+++ b/src/bsp/lk/arch/arm64/thread.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2008 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <sys/types.h>
+#include <string.h>
+#include <stdlib.h>
+#include <debug.h>
+#include <trace.h>
+#include <kernel/thread.h>
+#include <arch/arm64.h>
+
+#define LOCAL_TRACE 0
+
+struct context_switch_frame {
+ vaddr_t lr;
+ vaddr_t r18;
+ vaddr_t r19;
+ vaddr_t r20;
+ vaddr_t r21;
+ vaddr_t r22;
+ vaddr_t r23;
+ vaddr_t r24;
+ vaddr_t r25;
+ vaddr_t r26;
+ vaddr_t r27;
+ vaddr_t r28;
+ vaddr_t r29;
+ vaddr_t padding;
+};
+
+extern void arm64_context_switch(addr_t *old_sp, addr_t new_sp);
+
+static void initial_thread_func(void) __NO_RETURN;
+static void initial_thread_func(void)
+{
+ int ret;
+
+ thread_t *current_thread = get_current_thread();
+
+ LTRACEF("initial_thread_func: thread %p calling %p with arg %p\n", current_thread, current_thread->entry, current_thread->arg);
+
+ /* release the thread lock that was implicitly held across the reschedule */
+ spin_unlock(&thread_lock);
+ arch_enable_ints();
+
+ ret = current_thread->entry(current_thread->arg);
+
+ LTRACEF("initial_thread_func: thread %p exiting with %d\n", current_thread, ret);
+
+ thread_exit(ret);
+}
+
+void arch_thread_initialize(thread_t *t)
+{
+ // create a default stack frame on the stack
+ vaddr_t stack_top = (vaddr_t)t->stack + t->stack_size;
+
+ // make sure the top of the stack is 16 byte aligned for EABI compliance
+ stack_top = ROUNDDOWN(stack_top, 16);
+
+ struct context_switch_frame *frame = (struct context_switch_frame *)(stack_top);
+ frame--;
+
+ // fill it in
+ memset(frame, 0, sizeof(*frame));
+ frame->lr = (vaddr_t)&initial_thread_func;
+
+ // set the stack pointer
+ t->arch.sp = (vaddr_t)frame;
+}
+
+void arch_context_switch(thread_t *oldthread, thread_t *newthread)
+{
+ LTRACEF("old %p (%s), new %p (%s)\n", oldthread, oldthread->name, newthread, newthread->name);
+ arm64_fpu_pre_context_switch(oldthread);
+ arm64_context_switch(&oldthread->arch.sp, newthread->arch.sp);
+}
+
+void arch_dump_thread(thread_t *t)
+{
+ if (t->state != THREAD_RUNNING) {
+ dprintf(INFO, "\tarch: ");
+ dprintf(INFO, "sp 0x%lx\n", t->arch.sp);
+ }
+}