| /* |
| * Copyright 2017, Data61 |
| * Commonwealth Scientific and Industrial Research Organisation (CSIRO) |
| * ABN 41 687 119 230. |
| * |
| * This software may be distributed and modified according to the terms of |
| * the BSD 2-Clause license. Note that NO WARRANTY is provided. |
| * See "LICENSE_BSD2.txt" for details. |
| * |
| * @TAG(DATA61_BSD) |
| */ |
| |
| #include <autoconf.h> |
| #include <sel4utils/gen_config.h> |
| #include <sel4/types.h> |
| #include <sel4utils/thread.h> |
| #include <sel4utils/helpers.h> |
| #include <utils/zf_log.h> |
| #include <utils/stack.h> |
| #include <stdbool.h> |
| |
| int sel4utils_arch_init_context(void *entry_point, void *stack_top, seL4_UserContext *context) |
| { |
| context->pc = (seL4_Word) entry_point; |
| context->sp = (seL4_Word) stack_top; |
| if (!IS_ALIGNED((uintptr_t)stack_top, STACK_CALL_ALIGNMENT_BITS)) { |
| ZF_LOGE("Initial stack pointer must be %d byte aligned", STACK_CALL_ALIGNMENT); |
| return -1; |
| } |
| return 0; |
| } |
| |
| int sel4utils_arch_init_context_with_args(sel4utils_thread_entry_fn entry_point, |
| void *arg0, void *arg1, void *arg2, |
| bool local_stack, void *stack_top, |
| seL4_UserContext *context, |
| vka_t *vka, vspace_t *local_vspace, vspace_t *remote_vspace) |
| { |
| |
| context->x0 = (seL4_Word) arg0; |
| context->x1 = (seL4_Word) arg1; |
| context->x2 = (seL4_Word) arg2; |
| |
| return sel4utils_arch_init_context(entry_point, stack_top, context); |
| } |
