| /* | |
| * 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->r0 = (seL4_Word) arg0; | |
| context->r1 = (seL4_Word) arg1; | |
| context->r2 = (seL4_Word) arg2; | |
| return sel4utils_arch_init_context(entry_point, stack_top, context); | |
| } |