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Rename struct Thread; Completely split task memspace and shceduling

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TXuian
2024-05-18 21:37:30 +08:00
parent 0b858de120
commit 736ba18769
36 changed files with 636 additions and 260 deletions
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Ubiquitous/XiZi_AIoT/softkernel/syscall/sys_spawn.c
+47 -9
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@@ -29,26 +29,64 @@ Modification:
*************************************************/
#include "actracer.h"
#include "assert.h"
#include "memspace.h"
#include "share_page.h"
#include "syscall.h"
#include "task.h"
extern int task_exec(struct TaskMicroDescriptor* task, char* img_start, char* name, char** argv);
extern int task_exec(struct Thread* task, char* img_start, char* name, char** argv);
int sys_spawn(char* img_start, char* name, char** argv)
{
// alloc a new pcb
struct TaskMicroDescriptor* new_task_cb = xizi_task_manager.new_task_cb();
if (UNLIKELY(!new_task_cb)) {
ERROR("Unable to new task control block.\n");
// alloc a new memspace
struct MemSpace* pmemspace = alloc_memspace();
if (pmemspace == NULL) {
return -1;
}
// init trapframe
arch_init_trapframe(new_task_cb->main_thread.trapframe, 0, 0);
if (UNLIKELY(task_exec(new_task_cb, img_start, name, argv)) < 0) {
// load memspace
uintptr_t* entry = load_memspace(pmemspace, img_start);
if (NULL == entry) {
ERROR("Loading memspace from %016x failed.\n", img_start);
free_memspace(pmemspace);
return -1;
}
// alloc a new pcb
struct Thread* new_task_cb = xizi_task_manager.new_task_cb(pmemspace);
if (UNLIKELY(!new_task_cb)) {
ERROR("Unable to new task control block.\n");
free_memspace(pmemspace);
return -1;
}
assert(!IS_DOUBLE_LIST_EMPTY(&pmemspace->thread_list_guard));
// init params
struct ThreadStackPointer loaded_sp = load_user_stack(pmemspace, argv);
if (loaded_sp.stack_idx == -1) {
ERROR("Uable to load params to memspace.\n");
/* memspace is freed alone with free_pcb() */
xizi_task_manager.free_pcb(new_task_cb);
return -1;
}
// init pcb
// init trapframe
new_task_cb->thread_context.user_stack_idx = loaded_sp.stack_idx;
new_task_cb->thread_context.uspace_stack_addr = USER_MEM_TOP - ((loaded_sp.stack_idx + 1) * USER_STACK_SIZE);
new_task_cb->thread_context.ustack_kvaddr = loaded_sp.user_stack_vaddr;
arch_init_trapframe(new_task_cb->thread_context.trapframe, 0, 0);
arch_trapframe_set_sp_pc(new_task_cb->thread_context.trapframe, loaded_sp.user_sp, (uintptr_t)entry);
arch_set_main_params(new_task_cb->thread_context.trapframe, loaded_sp.argc, loaded_sp.user_sp);
// init thread name
char* last = NULL;
for (last = name; *name; name++) {
if (*name == '/') {
last = name + 1;
}
}
strncpy(new_task_cb->name, last, sizeof(new_task_cb->name));
// init pcb schedule attributes
xizi_task_manager.task_set_default_schedule_attr(new_task_cb);
return 0;