bool dbg_hw_info(void)
{
int line;
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
while(1)
{
lcd_clear_display();
line = 0;
/* _DEBUG_PRINTF statements can be added here to show debug info */
_DEBUG_PRINTF("SCU_ID: 0x%0x", SCU_ID);
_DEBUG_PRINTF("SCU_PLLCON1: 0x%0x", SCU_PLLCON1);
_DEBUG_PRINTF("SCU_PLLCON2: 0x%0x", SCU_PLLCON2);
_DEBUG_PRINTF("SCU_PLLCON3: 0x%0x", SCU_PLLCON3);
_DEBUG_PRINTF("SCU_DIVCON1: 0x%0x", SCU_DIVCON1);
_DEBUG_PRINTF("SCU_CLKCFG: 0x%0x", SCU_CLKCFG);
_DEBUG_PRINTF("SCU_CHIPCFG: 0x%0x", SCU_CHIPCFG);
line++;
_DEBUG_PRINTF("sd_debug_time_rd: %d", sd_debug_time_rd);
_DEBUG_PRINTF("sd_debug_time_wr: %d", sd_debug_time_wr);
lcd_update();
switch(button_get_w_tmo(HZ/20))
{
case DEBUG_CANCEL:
case BUTTON_REL:
lcd_setfont(FONT_UI);
return false;
}
}
lcd_setfont(FONT_UI);
return false;
}
pid_t sys_exec(const char *cmdline) {
_DEBUG_PRINTF ("[DEBUG] Exec : %s\n", cmdline);
// cmdline is an address to the character buffer, on user memory
// so a validation check is required
check_user((const uint8_t*) cmdline);
lock_acquire (&filesys_lock); // load() uses filesystem
pid_t pid = process_execute(cmdline);
lock_release (&filesys_lock);
return pid;
}
bool dbg_hw_info(void)
{
int line;
int i;
unsigned int state = 0;
const unsigned int max_states=3;
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
state=0;
while(1)
{
lcd_clear_display();
line = 0;
if(state == 0)
{
_DEBUG_PRINTF("CPU:");
_DEBUG_PRINTF("current_tick: %d", (unsigned int)current_tick);
line++;
_DEBUG_PRINTF("LCD type: %d", lcd_type);
line++;
}
else if(state==1)
{
_DEBUG_PRINTF("PMU:");
for(i=0;i<7;i++)
{
char *device[] = {"(unknown)",
"(unknown)",
"(unknown)",
"(unknown)",
"(unknown)",
"(unknown)",
"(unknown)"};
_DEBUG_PRINTF("ldo%d %s: %dmV %s",i,
pmu_read(0x2e + (i << 1))?" on":"off",
900 + pmu_read(0x2d + (i << 1))*100,
device[i]);
}
_DEBUG_PRINTF("cpu voltage: %dmV",625 + pmu_read(0x1e)*25);
_DEBUG_PRINTF("memory voltage: %dmV",625 + pmu_read(0x22)*25);
line++;
_DEBUG_PRINTF("charging: %s", charging_state() ? "true" : "false");
_DEBUG_PRINTF("backlight: %s", pmu_read(0x29) ? "on" : "off");
_DEBUG_PRINTF("brightness value: %d", pmu_read(0x28));
}
else if(state==2)
{
_DEBUG_PRINTF("Audio DMA:");
_DEBUG_PRINTF(">%08X %08X %08X %08X %08X", DMAC0C0CONFIG, DMAC0C0SRCADDR,
DMAC0C0DESTADDR, DMAC0C0NEXTLLI, DMAC0C0CONTROL);
for(i = 0; i < PCM_LLICOUNT; i++)
_DEBUG_PRINTF("%08X: %08X %08X %08X %08X", &pcm_lli[i], pcm_lli[i].srcaddr,
pcm_lli[i].dstaddr, pcm_lli[i].nextlli, pcm_lli[i].control);
_DEBUG_PRINTF("chunk: %08X %08X", pcm_chunksize, pcm_remaining);
}
else
{
state=0;
}
lcd_update();
switch(button_get_w_tmo(HZ/20))
{
case BUTTON_SCROLL_BACK:
if(state!=0) state--;
break;
case BUTTON_SCROLL_FWD:
if(state!=max_states-1)
{
state++;
}
break;
case DEBUG_CANCEL:
case BUTTON_REL:
lcd_setfont(FONT_UI);
return false;
}
}
lcd_setfont(FONT_UI);
return false;
}
bool dbg_ports(void)
{
int line;
lcd_setfont(FONT_SYSFIXED);
while(1)
{
lcd_clear_display();
line = 0;
_DEBUG_PRINTF("GPIO 0: %08x",(unsigned int)PDAT(0));
_DEBUG_PRINTF("GPIO 1: %08x",(unsigned int)PDAT(1));
_DEBUG_PRINTF("GPIO 2: %08x",(unsigned int)PDAT(2));
_DEBUG_PRINTF("GPIO 3: %08x",(unsigned int)PDAT(3));
_DEBUG_PRINTF("GPIO 4: %08x",(unsigned int)PDAT(4));
_DEBUG_PRINTF("GPIO 5: %08x",(unsigned int)PDAT(5));
_DEBUG_PRINTF("GPIO 6: %08x",(unsigned int)PDAT(6));
_DEBUG_PRINTF("GPIO 7: %08x",(unsigned int)PDAT(7));
_DEBUG_PRINTF("GPIO 8: %08x",(unsigned int)PDAT(8));
_DEBUG_PRINTF("GPIO 9: %08x",(unsigned int)PDAT(9));
_DEBUG_PRINTF("GPIO 10: %08x",(unsigned int)PDAT(10));
_DEBUG_PRINTF("GPIO 11: %08x",(unsigned int)PDAT(11));
_DEBUG_PRINTF("GPIO 12: %08x",(unsigned int)PDAT(12));
_DEBUG_PRINTF("GPIO 13: %08x",(unsigned int)PDAT(13));
_DEBUG_PRINTF("GPIO 14: %08x",(unsigned int)PDAT(14));
_DEBUG_PRINTF("GPIO 15: %08x",(unsigned int)PDAT(15));
_DEBUG_PRINTF("USEC : %08x",(unsigned int)USEC_TIMER);
lcd_update();
if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
break;
}
lcd_setfont(FONT_UI);
return false;
}
static void
syscall_handler (struct intr_frame *f)
{
int syscall_number;
ASSERT( sizeof(syscall_number) == 4 ); // assuming x86
// The system call number is in the 32-bit word at the caller's stack pointer.
memread_user(f->esp, &syscall_number, sizeof(syscall_number));
_DEBUG_PRINTF ("[DEBUG] system call, number = %d!\n", syscall_number);
// Store the esp, which is needed in the page fault handler.
// refer to exception.c:page_fault() (see manual 4.3.3)
thread_current()->current_esp = f->esp;
// Dispatch w.r.t system call number
// SYS_*** constants are defined in syscall-nr.h
switch (syscall_number) {
case SYS_HALT: // 0
{
sys_halt();
NOT_REACHED();
break;
}
case SYS_EXIT: // 1
{
int exitcode;
memread_user(f->esp + 4, &exitcode, sizeof(exitcode));
sys_exit(exitcode);
NOT_REACHED();
break;
}
case SYS_EXEC: // 2
{
void* cmdline;
memread_user(f->esp + 4, &cmdline, sizeof(cmdline));
int return_code = sys_exec((const char*) cmdline);
f->eax = (uint32_t) return_code;
break;
}
case SYS_WAIT: // 3
{
pid_t pid;
memread_user(f->esp + 4, &pid, sizeof(pid_t));
int ret = sys_wait(pid);
f->eax = (uint32_t) ret;
break;
}
case SYS_CREATE: // 4
{
const char* filename;
unsigned initial_size;
bool return_code;
memread_user(f->esp + 4, &filename, sizeof(filename));
memread_user(f->esp + 8, &initial_size, sizeof(initial_size));
return_code = sys_create(filename, initial_size);
f->eax = return_code;
break;
}
case SYS_REMOVE: // 5
{
const char* filename;
bool return_code;
memread_user(f->esp + 4, &filename, sizeof(filename));
return_code = sys_remove(filename);
f->eax = return_code;
break;
}
case SYS_OPEN: // 6
{
const char* filename;
int return_code;
memread_user(f->esp + 4, &filename, sizeof(filename));
return_code = sys_open(filename);
f->eax = return_code;
break;
}
case SYS_FILESIZE: // 7
{
int fd, return_code;
memread_user(f->esp + 4, &fd, sizeof(fd));
return_code = sys_filesize(fd);
f->eax = return_code;
break;
}
case SYS_READ: // 8
{
int fd, return_code;
void *buffer;
unsigned size;
memread_user(f->esp + 4, &fd, sizeof(fd));
memread_user(f->esp + 8, &buffer, sizeof(buffer));
memread_user(f->esp + 12, &size, sizeof(size));
return_code = sys_read(fd, buffer, size);
f->eax = (uint32_t) return_code;
break;
}
case SYS_WRITE: // 9
{
int fd, return_code;
const void *buffer;
unsigned size;
memread_user(f->esp + 4, &fd, sizeof(fd));
memread_user(f->esp + 8, &buffer, sizeof(buffer));
memread_user(f->esp + 12, &size, sizeof(size));
return_code = sys_write(fd, buffer, size);
f->eax = (uint32_t) return_code;
break;
}
case SYS_SEEK: // 10
{
int fd;
unsigned position;
memread_user(f->esp + 4, &fd, sizeof(fd));
memread_user(f->esp + 8, &position, sizeof(position));
sys_seek(fd, position);
break;
}
case SYS_TELL: // 11
{
int fd;
unsigned return_code;
memread_user(f->esp + 4, &fd, sizeof(fd));
return_code = sys_tell(fd);
f->eax = (uint32_t) return_code;
break;
}
case SYS_CLOSE: // 12
{
int fd;
memread_user(f->esp + 4, &fd, sizeof(fd));
sys_close(fd);
break;
}
#ifdef VM
case SYS_MMAP: // 13
{
int fd;
void *addr;
memread_user(f->esp + 4, &fd, sizeof(fd));
memread_user(f->esp + 8, &addr, sizeof(addr));
mmapid_t ret = sys_mmap (fd, addr);
f->eax = ret;
break;
}
case SYS_MUNMAP: // 14
{
mmapid_t mid;
memread_user(f->esp + 4, &mid, sizeof(mid));
sys_munmap(mid);
break;
}
#endif
#ifdef FILESYS
case SYS_CHDIR: // 15
{
const char* filename;
int return_code;
memread_user(f->esp + 4, &filename, sizeof(filename));
return_code = sys_chdir(filename);
f->eax = return_code;
break;
}
case SYS_MKDIR: // 16
{
const char* filename;
int return_code;
memread_user(f->esp + 4, &filename, sizeof(filename));
return_code = sys_mkdir(filename);
f->eax = return_code;
break;
}
case SYS_READDIR: // 17
{
int fd;
char *name;
int return_code;
memread_user(f->esp + 4, &fd, sizeof(fd));
memread_user(f->esp + 8, &name, sizeof(name));
return_code = sys_readdir(fd, name);
f->eax = return_code;
break;
}
case SYS_ISDIR: // 18
{
int fd;
int return_code;
memread_user(f->esp + 4, &fd, sizeof(fd));
return_code = sys_isdir(fd);
f->eax = return_code;
break;
}
case SYS_INUMBER: // 19
{
int fd;
int return_code;
memread_user(f->esp + 4, &fd, sizeof(fd));
return_code = sys_inumber(fd);
f->eax = return_code;
break;
}
#endif
/* unhandled case */
default:
printf("[ERROR] system call %d is unimplemented!\n", syscall_number);
// ensure that waiting (parent) process should wake up and terminate.
sys_exit(-1);
break;
}
}
int sys_wait(pid_t pid) {
_DEBUG_PRINTF ("[DEBUG] Wait : %d\n", pid);
return process_wait(pid);
}
bool dbg_ports(void)
{
int line;
lcd_setfont(FONT_SYSFIXED);
while(1)
{
lcd_clear_display();
line = 0;
_DEBUG_PRINTF("GPIO_PADR: %02x",(unsigned char)GPIO_PADR);
_DEBUG_PRINTF("GPIO_PACON: %02x",(unsigned char)GPIO_PACON);
_DEBUG_PRINTF("GPIO_PBDR: %02x",(unsigned char)GPIO_PBDR);
_DEBUG_PRINTF("GPIO_PBCON: %02x",(unsigned char)GPIO_PBCON);
_DEBUG_PRINTF("GPIO_PCDR: %02x",(unsigned char)GPIO_PCDR);
_DEBUG_PRINTF("GPIO_PCCON: %02x",(unsigned char)GPIO_PCCON);
_DEBUG_PRINTF("GPIO_PDDR: %02x",(unsigned char)GPIO_PDDR);
_DEBUG_PRINTF("GPIO_PDCON: %02x",(unsigned char)GPIO_PDCON);
_DEBUG_PRINTF("ADC0: %d", adc_read(0));
_DEBUG_PRINTF("ADC1: %d", adc_read(1));
_DEBUG_PRINTF("ADC2: %d", adc_read(2));
_DEBUG_PRINTF("ADC3: %d", adc_read(3));
lcd_update();
if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
break;
}
lcd_setfont(FONT_UI);
return false;
}
bool dbg_hw_info(void)
{
int line;
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
while(1)
{
lcd_clear_display();
line = 0;
/* _DEBUG_PRINTF statements can be added here to show debug info */
_DEBUG_PRINTF("SCU_ID: 0x%0x", SCU_ID);
_DEBUG_PRINTF("SCU_PLLCON1: 0x%0x", SCU_PLLCON1);
_DEBUG_PRINTF("SCU_PLLCON2: 0x%0x", SCU_PLLCON2);
_DEBUG_PRINTF("SCU_PLLCON3: 0x%0x", SCU_PLLCON3);
_DEBUG_PRINTF("SCU_DIVCON1: 0x%0x", SCU_DIVCON1);
_DEBUG_PRINTF("SCU_CLKCFG: 0x%0x", SCU_CLKCFG);
_DEBUG_PRINTF("SCU_CHIPCFG: 0x%0x", SCU_CHIPCFG);
line++;
_DEBUG_PRINTF("sd_debug_time_rd: %d", sd_debug_time_rd);
_DEBUG_PRINTF("sd_debug_time_wr: %d", sd_debug_time_wr);
for(int i = 0; i < 4; i++)
{
unsigned long memmap = *(&MEMMAPA + i);
unsigned addr = memmap & 0xff000000;
unsigned size = memmap & 0xff;
const char *size_name;
switch(size)
{
case 0:
size = 0;
size_name = "invalid";
break;
case 0xfe:
size = 32 * 1024 * 1024;
size_name = "32MB";
break;
case 0xfc:
size = 64 * 1024 * 1024;
size_name = "64MB";
break;
case 0xf8:
size = 128 * 1024 * 1024;
size_name = "128MB";
break;
default:
size = 0;
size_name = "unk";
break;
}
_DEBUG_PRINTF("Uncached %c: [0x%x,0x%x[ (size=0x%x / %s)",
'A' + i, addr, addr + size, size, size_name);
}
lcd_update();
switch(button_get_w_tmo(HZ/20))
{
case DEBUG_CANCEL:
case BUTTON_REL:
lcd_setfont(FONT_UI);
return false;
}
}
lcd_setfont(FONT_UI);
return false;
}