static void init_global(void)
{
u16_t* p = (u16_t*)log_start_address;
g_screen_cursor = (u16_t*)(2 * (u32_t)*p + screen_init_cursor);
g_ticks = 0;
g_reenter = 0;
g_kernel_stack_top = g_kernel_stack + kernel_stack_size;
g_addr_range_count = (int)*(u32_t*)(addr_range_start_addr - 4);
t_memcpy(g_addr_range, (void*)addr_range_start_addr, sizeof(addr_range_desc_t) * g_addr_range_count);
g_kernel_image = *(kernel_image_info_t*)0x6000;
t_printf("---- tinyos kernel ----\r\n");
}
void init_pcb(pcb_t* p, void* entry, char* name, u32_t pid, u32_t priority)
{
p->entry = entry;
t_memcpy(p->name, name, t_strlen(name));
p->pid = pid;
p->ticks = priority;
p->priority = priority;
p->stack_top = p->stack + user_stack_size;
p->regs.cs = ring3_code_selector;
p->regs.ss = ring3_data_selector;
p->regs.esp = (u32_t)(void*)p->stack_top;
p->regs.eflags = 0x202;
p->regs.cs = ring3_code_selector;
p->regs.eip = (u32_t)entry;
p->regs.ds = ring3_data_selector;
p->regs.es = ring3_data_selector;
p->regs.fs = ring3_data_selector;
p->regs.gs = ring3_data_selector;
}
int main(void)
{
printf("\n===== START TEST =====\n");
t_bzero();
t_strcat();
t_isalnum();
t_isascii();
t_isprint();
t_tolower();
t_toupper();
t_puts();
t_strlen();
t_memset();
t_memcpy();
t_strdup();
t_cat();
t_bonus();
printf("\n===== END OF TEST =====\n");
return (0);
}
void scroll_screen(void)
{
g_screen_cursor = (u16_t*)(screen_init_cursor + (screen_height - 1) * screen_width * 2);
t_memcpy((void*)screen_init_cursor, (void*)(screen_init_cursor + screen_width * 2), screen_height * screen_width * 2);
}