umka/linux/thread.c

36 lines
867 B
C

#include <inttypes.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdlib.h>
#include "../umka.h"
sigjmp_buf trampoline;
__attribute__((__stdcall__))
uint32_t umka_sched_add_thread(appdata_t *app) {
// fprintf(stderr, "umka_new_sys_threads before\n");
// fprintf(stderr, "kos_task_count: %d\n", kos_task_count);
if (!sigsetjmp(trampoline, 1)) {
__asm__ __inline__ __volatile__ (
"pushfd;"
"bts dword ptr [esp], 21;"
"popfd;"
"mov esp, eax"
:
: "a"(app->saved_esp)
: "memory");
if (!sigsetjmp(*app->fpu_state, 1)) {
longjmp(trampoline, 1);
} else {
__asm__ __inline__ __volatile__ (
"ret"
:
:
: "memory");
}
}
// fprintf(stderr, "umka_new_sys_threads after\n");
return 0;
}