Example #1
0
void hang (void)
{
	disable_interrupts ();
	puts("### ERROR ### Please reset board ###\n");
	for (;;);
}
Example #2
0
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
	volatile ulong addr = info->start[0];
	int flag, prot, sect, l_sect;
	ulong start, now, last;

	flash_to_xd();

	if (s_first < 0 || s_first > s_last) {
		if (info->flash_id == FLASH_UNKNOWN) {
			printf ("- missing\n");
		} else {
			printf ("- no sectors to erase\n");
		}
		flash_to_mem();
		return 1;
	}

	if (info->flash_id == FLASH_UNKNOWN) {
		printf ("Can't erase unknown flash type %08lx - aborted\n",
			info->flash_id);
		flash_to_mem();
		return 1;
	}

	prot = 0;
	for (sect=s_first; sect<=s_last; ++sect) {
		if (info->protect[sect]) {
			prot++;
		}
	}

	if (prot) {
		printf ("- Warning: %d protected sectors will not be erased!\n",
			prot);
	} else {
		printf ("");
	}

	l_sect = -1;

	/* Disable interrupts which might cause a timeout here */
	flag = disable_interrupts();

	out8(addr + 0x555, 0xAA);
	iobarrier_rw();
	out8(addr + 0x2AA, 0x55);
	iobarrier_rw();
	out8(addr + 0x555, 0x80);
	iobarrier_rw();
	out8(addr + 0x555, 0xAA);
	iobarrier_rw();
	out8(addr + 0x2AA, 0x55);
	iobarrier_rw();

	/* Start erase on unprotected sectors */
	for (sect = s_first; sect<=s_last; sect++) {
		if (info->protect[sect] == 0) {	/* not protected */
			addr = info->start[sect];
			out8(addr, 0x30);
			iobarrier_rw();
			l_sect = sect;
		}
	}

	/* re-enable interrupts if necessary */
	if (flag)
		enable_interrupts();

	/* wait at least 80us - let's wait 1 ms */
	udelay (1000);

	/*
	 * We wait for the last triggered sector
	 */
	if (l_sect < 0)
		goto DONE;

	start = get_timer (0);
	last  = start;
	addr = info->start[l_sect];

	DEBUGF ("Start erase timeout: %d\n", CONFIG_SYS_FLASH_ERASE_TOUT);

	while ((in8(addr) & 0x80) != 0x80) {
		if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
			printf ("Timeout\n");
			flash_reset (info->start[0]);
			flash_to_mem();
			return 1;
		}
		/* show that we're waiting */
		if ((now - last) > 1000) {	/* every second */
			putc ('.');
			last = now;
		}
		iobarrier_rw();
	}

DONE:
	/* reset to read mode */
	flash_reset (info->start[0]);
	flash_to_mem();

	printf (" done\n");
	return 0;
}
int cpu_post_test_twox (void)
{
    int ret = 0;
    unsigned int i, reg;
    int flag = disable_interrupts();

    for (i = 0; i < cpu_post_twox_size && ret == 0; i++)
    {
	struct cpu_post_twox_s *test = cpu_post_twox_table + i;

	for (reg = 0; reg < 32 && ret == 0; reg++)
	{
	    unsigned int reg0 = (reg + 0) % 32;
	    unsigned int reg1 = (reg + 1) % 32;
	    unsigned int stk = reg < 16 ? 31 : 15;
	    unsigned long code[] =
	    {
		ASM_STW(stk, 1, -4),
		ASM_ADDI(stk, 1, -16),
		ASM_STW(3, stk, 8),
		ASM_STW(reg0, stk, 4),
		ASM_STW(reg1, stk, 0),
		ASM_LWZ(reg0, stk, 8),
		ASM_11X(test->cmd, reg1, reg0),
		ASM_STW(reg1, stk, 8),
		ASM_LWZ(reg1, stk, 0),
		ASM_LWZ(reg0, stk, 4),
		ASM_LWZ(3, stk, 8),
		ASM_ADDI(1, stk, 16),
		ASM_LWZ(stk, 1, -4),
		ASM_BLR,
	    };
	    unsigned long codecr[] =
	    {
		ASM_STW(stk, 1, -4),
		ASM_ADDI(stk, 1, -16),
		ASM_STW(3, stk, 8),
		ASM_STW(reg0, stk, 4),
		ASM_STW(reg1, stk, 0),
		ASM_LWZ(reg0, stk, 8),
		ASM_11X(test->cmd, reg1, reg0) | BIT_C,
		ASM_STW(reg1, stk, 8),
		ASM_LWZ(reg1, stk, 0),
		ASM_LWZ(reg0, stk, 4),
		ASM_LWZ(3, stk, 8),
		ASM_ADDI(1, stk, 16),
		ASM_LWZ(stk, 1, -4),
		ASM_BLR,
	    };
	    ulong res;
	    ulong cr;

	    if (ret == 0)
	    {
		cr = 0;
		cpu_post_exec_21 (code, & cr, & res, test->op);

		ret = res == test->res && cr == 0 ? 0 : -1;

		if (ret != 0)
		{
	            post_log ("Error at twox test %d !\n", i);
		}
	    }

	    if (ret == 0)
	    {
		cpu_post_exec_21 (codecr, & cr, & res, test->op);

		ret = res == test->res &&
		      (cr & 0xe0000000) == cpu_post_makecr (res) ? 0 : -1;

		if (ret != 0)
		{
	            post_log ("Error at twox test %d !\n", i);
	        }
	    }
	}
    }

    if (flag)
	enable_interrupts();

    return ret;
}
Example #4
0
/*
 * void cpu_reboot(int howto, char *bootstr)
 *
 * Reboots the system
 *
 * Deal with any syncing, unmounting, dumping and shutdown hooks,
 * then reset the CPU.
 */
void
cpu_reboot(int howto, char *bootstr)
{
	u_int32_t reg;

#ifdef DIAGNOSTIC
	/* info */
	printf("boot: howto=%08x curproc=%p\n", howto, curproc);
#endif

	/*
	 * If we are still cold then hit the air brakes
	 * and crash to earth fast
	 */
	if (cold) {
		doshutdownhooks();
		printf("The operating system has halted.\n");
		printf("Please press any key to reboot.\n\n");
		cngetc();
		printf("rebooting...\n");
		goto reset;
	}

	/* Disable console buffering */

	/*
	 * If RB_NOSYNC was not specified sync the discs.
	 * Note: Unless cold is set to 1 here, syslogd will die during the
	 * unmount.  It looks like syslogd is getting woken up only to find
	 * that it cannot page part of the binary in as the filesystem has
	 * been unmounted.
	 */
	if (!(howto & RB_NOSYNC))
		bootsync();

	/* Say NO to interrupts */
	splhigh();

	/* Do a dump if requested. */
	if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP)
		dumpsys();
	
	/* Run any shutdown hooks */
	doshutdownhooks();

	/* Make sure IRQ's are disabled */
	IRQdisable;

	if (howto & RB_HALT) {
		printf("The operating system has halted.\n");
		printf("Please press any key to reboot.\n\n");
		cngetc();
	}

	printf("rebooting...\n\r");
 reset:
	/*
	 * Make really really sure that all interrupts are disabled,
	 */
	(void) disable_interrupts(I32_bit|F32_bit);
	IXPREG(IXP425_INT_ENABLE) = 0;

	/*
	 * Map the boot Flash device down at physical address 0.
	 * This is safe since NetBSD runs out of an alias of
	 * SDRAM at 0x10000000.
	 */
	reg = EXP_CSR_READ_4(ixpsip_softc, EXP_CNFG0_OFFSET);
	reg |= EXP_CNFG0_MEM_MAP;
	EXP_CSR_WRITE_4(ixpsip_softc, EXP_CNFG0_OFFSET, reg);

	/*
	 * Jump into the bootcode's reset vector
	 *
	 * XXX:
	 * Redboot doesn't like the state in which we leave the PCI
	 * ethernet card, and so fails to detect it on reboot. This
	 * pretty much necessitates a hard reset/power cycle to be
	 * able to download a new kernel image over ethernet.
	 *
	 * I suspect this is due to a bug in Redboot's i82557 driver.
	 */
	cpu_reset();

	/* ...and if that didn't work, just croak. */
	printf("RESET FAILED!\n");
	for (;;);
}
Example #5
0
int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	ulong		iflag;
	ulong		load_end = 0;
	int		ret;
	boot_os_fn	*boot_fn;
#ifdef CONFIG_NEEDS_MANUAL_RELOC
	static int relocated = 0;

	/* relocate boot function table */
	if (!relocated) {
		int i;
		for (i = 0; i < ARRAY_SIZE(boot_os); i++)
			if (boot_os[i] != NULL)
				boot_os[i] += gd->reloc_off;
		relocated = 1;
	}
#endif

	/* determine if we have a sub command */
	if (argc > 1) {
		char *endp;

		simple_strtoul(argv[1], &endp, 16);
		/* endp pointing to NULL means that argv[1] was just a
		 * valid number, pass it along to the normal bootm processing
		 *
		 * If endp is ':' or '#' assume a FIT identifier so pass
		 * along for normal processing.
		 *
		 * Right now we assume the first arg should never be '-'
		 */
		if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
			return do_bootm_subcommand(cmdtp, flag, argc, argv);
	}

	if (bootm_start(cmdtp, flag, argc, argv))
		return 1;

	/*
	 * We have reached the point of no return: we are going to
	 * overwrite all exception vector code, so we cannot easily
	 * recover from any failures any more...
	 */
	iflag = disable_interrupts();

#if defined(CONFIG_CMD_USB)
	/*
	 * turn off USB to prevent the host controller from writing to the
	 * SDRAM while Linux is booting. This could happen (at least for OHCI
	 * controller), because the HCCA (Host Controller Communication Area)
	 * lies within the SDRAM and the host controller writes continously to
	 * this area (as busmaster!). The HccaFrameNumber is for example
	 * updated every 1 ms within the HCCA structure in SDRAM! For more
	 * details see the OpenHCI specification.
	 */
	usb_stop();
#endif

	ret = bootm_load_os(images.os, &load_end, 1);

	if (ret < 0) {
		if (ret == BOOTM_ERR_RESET)
			do_reset(cmdtp, flag, argc, argv);
		if (ret == BOOTM_ERR_OVERLAP) {
			if (images.legacy_hdr_valid) {
				image_header_t *hdr;
				hdr = &images.legacy_hdr_os_copy;
				if (image_get_type(hdr) == IH_TYPE_MULTI)
					puts("WARNING: legacy format multi "
						"component image "
						"overwritten\n");
			} else {
				puts("ERROR: new format image overwritten - "
					"must RESET the board to recover\n");
				bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
				do_reset(cmdtp, flag, argc, argv);
			}
		}
		if (ret == BOOTM_ERR_UNIMPLEMENTED) {
			if (iflag)
				enable_interrupts();
			bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
			return 1;
		}
	}

	lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));

	if (images.os.type == IH_TYPE_STANDALONE) {
		if (iflag)
			enable_interrupts();
		/* This may return when 'autostart' is 'no' */
		bootm_start_standalone(iflag, argc, argv);
		return 0;
	}

	bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS);

#ifdef CONFIG_SILENT_CONSOLE
	if (images.os.os == IH_OS_LINUX)
		fixup_silent_linux();
#endif

	boot_fn = boot_os[images.os.os];

	if (boot_fn == NULL) {
		if (iflag)
			enable_interrupts();
		printf("ERROR: booting os '%s' (%d) is not supported\n",
			genimg_get_os_name(images.os.os), images.os.os);
		bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
		return 1;
	}

	arch_preboot_os();

	boot_fn(0, argc, argv, &images);

	bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
#ifdef DEBUG
	puts("\n## Control returned to monitor - resetting...\n");
#endif
	do_reset(cmdtp, flag, argc, argv);

	return 1;
}
Example #6
0
void disable_interrupts_int_serial(void) {
    disable_interrupts();
}
Example #7
0
int cpu_post_test_b (void)
{
    int ret = 0;
    unsigned int i;
    int flag = disable_interrupts();

    if (ret == 0)
    {
	ulong code[] =
	{
	   ASM_MFLR(4),
	   ASM_MTLR(3),
	   ASM_B(4),
	   ASM_MFLR(3),
	   ASM_MTLR(4),
	   ASM_BLR,
	};
	ulong res;

	cpu_post_exec_11 (code, &res, 0);

	ret = res == 0 ? 0 : -1;

	if (ret != 0)
	{
	    post_log ("Error at b1 test !\n");
	}
    }

    if (ret == 0)
    {
	ulong code[] =
	{
	   ASM_MFLR(4),
	   ASM_MTLR(3),
	   ASM_BL(4),
	   ASM_MFLR(3),
	   ASM_MTLR(4),
	   ASM_BLR,
	};
	ulong res;

	cpu_post_exec_11 (code, &res, 0);

	ret = res == (ulong)code + 12 ? 0 : -1;

	if (ret != 0)
	{
	    post_log ("Error at b2 test !\n");
	}
    }

    if (ret == 0)
    {
	ulong cc, cd;
	int cond;
	ulong ctr;
	int link;

	i = 0;

	for (cc = 0; cc < 4 && ret == 0; cc++)
	{
	    for (cd = 0; cd < 4 && ret == 0; cd++)
	    {
		for (link = 0; link <= 1 && ret == 0; link++)
		{
		    for (cond = 0; cond <= 1 && ret == 0; cond++)
		    {
			for (ctr = 1; ctr <= 2 && ret == 0; ctr++)
			{
			    int decr = cd < 2;
			    int cr = cond ? 0x80000000 : 0x00000000;
			    int jumpc = cc >= 2 ||
					(cc == 0 && !cond) ||
					(cc == 1 && cond);
			    int jumpd = cd >= 2 ||
					(cd == 0 && ctr != 1) ||
					(cd == 1 && ctr == 1);
			    int jump = jumpc && jumpd;

			    ret = cpu_post_test_bc (link ? OP_BCL : OP_BC,
				(cc << 3) + (cd << 1), 0, jump, decr, link,
				ctr, cr);

			    if (ret != 0)
			    {
				post_log ("Error at b3 test %d !\n", i);
			    }

			    i++;
			}
		    }
		}
	    }
	}
    }

    if (flag)
	enable_interrupts();

    return ret;
}
Example #8
0
File: cube.c Project: fuglsang/cube
void main(void)
{
  UINT8 i = 0;
  UINT8 a = 0;
  INT8 s6 = 0;
  INT8 c6 = 0;
  INT8 dd = 0;

  disable_interrupts();
  cpu_fast();// GBC
  enable_interrupts();

  mode(M_DRAWING);
  color(3, 0, SOLID);

  set_bkg_palette(0, 1, palette);

  plot_heart(12, 30);
  plot_heart(22, 26);

  for (i = 0; i != 8; i++)
  {
    pixels[i].x = HX;
    pixels[i].y = HY;
  }

  while (1)
  {
    INT8 xmin = pixels[0].x;
    INT8 xmax = pixels[0].x;
    INT8 ymin = pixels[0].y;
    INT8 ymax = pixels[0].y;

    // calc min-max of last drawn cube
    for (i = 1; i != 8; i++)
    {
      pixel_t * p = pixels + i;
      if (xmin > p->x)
          xmin = p->x;
      else if (xmax < p->x)
          xmax = p->x;
      if (ymin < p->y)
          ymin = p->y;
      else if (ymax > p->y)
          ymax = p->y;
    }

    // step
    s6 = sin6[a];
    c6 = cos6[a];
    dd = s6 + s6;
    a += 3;

    // transform and project
    for (i = 0; i != 8; i++)
    {
      vertex_t * v = vertices + i;
      pixel_t * p = pixels + i;

      INT8 x = (v->x * c6) + (v->z * s6) + dd;
      INT8 y = (v->y * 31) + dd;
      INT8 z = (v->z * c6) - (v->x * s6);

      /* rotates in z
      INT8 x = (v->x * c6) - (v->y * s6);
      INT8 y = (v->y * c6) + (v->x * s6);
      INT8 z = (v->z * 31);
      */

      UINT16 dx = x < 0 ? -x : x;
      UINT16 dy = y < 0 ? -y : y;
      UINT16 dz = 128 - z;

      dx = (dx << 5) / dz;
      dy = (dy << 5) / dz;

      p->x = HX + (x < 0 ? -dx : dx);
      p->y = HY + (y < 0 ? -dy : dy);
    }

    // sync
    //wait_vbl_done();

    // draw wireframe
    color(WHITE, WHITE, SOLID);
    box(xmin - 1, ymin + 1, xmax + 1, ymax - 1, M_FILL);

    color(1, 0, SOLID);
    for (i = 0; i != 12; i++)
    {
      edge_t * edge = edges + i;
      pixel_t * p0 = pixels + edge->i;
      pixel_t * p1 = pixels + edge->j;

      if (p0->x > p1->x)
        line(p1->x, p1->y, p0->x, p0->y);
      else
        line(p0->x, p0->y, p1->x, p1->y);
    }
  }
}
Example #9
0
/**
 * Hauptfunktion. Wird als erstes aufgerufen.
 * Struktogramm:
 * <img src="../../Spielablauf_Struktogramm.png">
 * @return gibt 0 zurück
 */
int main()
{
	init_graphics();		//Function um Grafik Lib zu initialisieren, gibt evtl später mal Errorcode zurück...
    init_counter();

    /**
     * \todo UART Interrupts funktionieren noch nicht.
     * Als Workaround wird nun alle 1ms im Timer-Interrupt-Handler die UART1 Schnittstelle gepollt. <br>
     */
    init_uart();

    init_genrand(GUI_GetTime());

    while(1)
    {
    	init_game();
    	init_level();

    	// warten bis eine taste gedrückt wird, welche den initialen Zustand von snake_direction ändert
    	snake_direction = '?';
		while(snake_direction == '?');

		// jetzt food zeichnen
		food = randomize_food();
		draw_food(food);

		enable_interrupts();

		do
		{
			switch(step_forward(check_initial_state()))
			{
			case COLLISION:
				game_over = 1;
				disable_interrupts();
				//write_byte(score);

				FFLCR &= ~(1<<7);			// DLAB löschen für zugriff
				while (!(FFLSR & (1<<5)));	// Solange UART Busy
				FFTHR = score;

				enable_interrupts();
				break;

			case FOOD:
				score++;
				if(size >= 15)
				{
					// wenn Länge = 15: Level-Up
					score += 10;
					level++;
					init_level();
				}
				food = randomize_food();
				disable_interrupts();
				draw_food(food);
				enable_interrupts();
				break;

			case NOTHING:
				break;
			}

			delay(delay_time);
		}
		while(game_over != 1);
    }

    return 0;
}
Example #10
0
/*
 * void cpu_reboot(int howto, char *bootstr)
 *
 * Reboots the system
 *
 * Deal with any syncing, unmounting, dumping and shutdown hooks,
 * then reset the CPU.
 */
void
cpu_reboot(int howto, char *bootstr)
{

	/*
	 * If we are still cold then hit the air brakes
	 * and crash to earth fast
	 */
	if (cold) {
		*(volatile uint8_t *)HDLG_LEDCTRL |= LEDCTRL_STAT_RED;
		howto |= RB_HALT;
		goto haltsys;
	}

	/* Disable console buffering */

	/*
	 * If RB_NOSYNC was not specified sync the discs.
	 * Note: Unless cold is set to 1 here, syslogd will die during the
	 * unmount.  It looks like syslogd is getting woken up only to find
	 * that it cannot page part of the binary in as the filesystem has
	 * been unmounted.
	 */
	if ((howto & RB_NOSYNC) == 0) {
		bootsync();
		/*resettodr();*/
	}

	/* wait 1s */
	delay(1 * 1000 * 1000);

	/* Say NO to interrupts */
	splhigh();

	/* Do a dump if requested. */
	if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP) {
		dumpsys();
	}

haltsys:
	/* Run any shutdown hooks */
	doshutdownhooks();

	/* Make sure IRQ's are disabled */
	IRQdisable;

	if (howto & RB_HALT) {
		*(volatile uint8_t *)HDLG_PWRMNG = PWRMNG_POWOFF;
		delay(3 * 1000 * 1000);	/* wait 3s */

		printf("SHUTDOWN FAILED!\n");
		printf("The operating system has halted.\n");
		printf("Please press any key to reboot.\n\n");
		cngetc();
	}

	printf("rebooting...\n\r");

	(void)disable_interrupts(I32_bit|F32_bit);
	cpu_idcache_wbinv_all();
	cpu_drain_writebuf();

	*(volatile uint8_t *)HDLG_PWRMNG = PWRMNG_RESET;
	delay(1 * 1000 * 1000);	/* wait 1s */

	/* ...and if that didn't work, just croak. */
	printf("RESET FAILED!\n");
	for (;;) {
		continue;
	}
}
Example #11
0
void main()
{
   mydevices.numberOfInputs=0;
   mydevices.numberOfOutputs=0;
   clock = 0;
   ledErrorCounter=0;   
   hw_setup();
   //TODO: User Code
   //struct switches array[NUMBER_OF_SWITCHES];
  /*
   button_test();
   dimmer_test();
   */
   
   
   ///////////////SALA//////////////////////////////
 /*  eeprom_on_off_init(20,21,6);//2 int Grande a comecar da esquerda
   eeprom_on_off_init(22,23,0);//2 
   //eeprom_dimmer_init(40,41,42,7);//2
   eeprom_on_off_init(41,42,7);//2
   eeprom_on_off_init(26,27,3);//2
   
   
   
   ///Sanca parede grande
   unsigned int on_adr[8]={20,255,255,255,255,255,255,255};
   unsigned int off_adr[8]={21,255,255,255,255,255,255,255};
   eeprom_onOff_out_init(on_adr,off_adr,3);//Sanca parede grande
   eeprom_onOff_out_init(on_adr,off_adr,5);//Sanca parede grande
   
   ///Sanca parede rosa
   unsigned int on_adrr[8]={22,255,255,255,255,255,255,255};
   unsigned int off_adrr[8]={23,255,255,255,255,255,255,255};
   eeprom_onOff_out_init(on_adrr,off_adrr,7);//Sanca parede grande
   on_adrr[1]=26;
   off_adrr[1]=27;
   eeprom_onOff_out_init(on_adrr,off_adrr,4);//Sanca parede grande
   
    ///VARANDA
   unsigned int dimmer_dim_adr[8]={40,255,255,255,255,255,255,255}; 
   unsigned int dimmer_on_adr[8]={41,255,255,255,255,255,255,255};
   unsigned int dimmer_off_adr[8]={42,255,255,255,255,255,255,255};
   //eeprom_dimmer_out_init(dimmer_dim_adr,dimmer_on_adr,dimmer_off_adr,6);//varanda
   eeprom_onOff_out_init(dimmer_on_adr,dimmer_off_adr,6);//varanda
   
   eeprom_button_init(28,29,4,true);//estores down
   eeprom_button_init(30,31,5,true);//estores up
   unsigned int up_adr[8]={30,255,255,255,255,255,255,255};
   unsigned int down_adr[8]={28,255,255,255,255,255,255,255};
   unsigned int x_adr[8]={255,255,255,255,255,255,255,255};
   eeprom_shutter_out_init(up_adr,down_adr,x_adr,x_adr,8,9,0,10);
   eeprom_shutter_out_init(up_adr,down_adr,x_adr,x_adr,10,11,0,10);
   eeprom_shutter_out_init(up_adr,down_adr,x_adr,x_adr,12,13,0,10);
   eeprom_shutter_out_init(up_adr,down_adr,x_adr,x_adr,14,15,0,10);
   */
   /////////////////////////////////////////////////7
   
   /*
   ///////////////QUARTO GRANDE//////////////////////////////
   eeprom_on_off_init(1,2,2);//2 on_adr off_adr real_button inicia botao
   unsigned int on_adr[8]={1,255,255,255,255,255,255,255};
   unsigned int off_adr[8]={2,10,255,255,255,255,255,255};
 
   unsigned int nill_adr[8]={255,255,255,255,255,255,255,255};  
   unsigned int ventax_off_adr[8]={16,255,255,255,255,255,255,255};

   unsigned int x_adr[8]={1,255,255,255,255,255,255,255};
   eeprom_onOff_out_init(on_adr,off_adr,4);//SANCA?
   
   //outputs 4=sanca 3=casabanho 2=casa de banho 9=ventax 1=corredor
   ///casa de banho
   eeprom_on_off_init(3,4,4);//interruptor casa de banho??  
   off_adr[0]=4;
   on_adr[0]=3;
   eeprom_timer_init(off_adr,on_adr,15,16,time_off,60);
   eeprom_onOff_out_init(on_adr,off_adr,3); //luz casa de banho
   eeprom_onOff_out_init(on_adr,off_adr,2); //luz2 casa de banho
   eeprom_onOff_out_init(on_adr,ventax_off_adr,9);//VENTAX
   ///fim casa de banho
   
   //corredor
   eeprom_on_off_init(17,18,5);//interruptor luz corredor
   unsigned int corredor_on_adr[8]={17,255,255,255,255,255,255,255};
   unsigned int corredor_off_adr[8]={18,255,255,255,255,255,255,255};
   eeprom_onOff_out_init(corredor_on_adr,corredor_off_adr,1); //luz corredor
   //fim corredor
   
   eeprom_button_init(5,6,0,true);//2 //estores
   eeprom_button_init(7,8,1,true);//2
   
   off_adr[0]=255;
   off_adr[1]=255;
   on_adr[0]=5;
   x_adr[0]=7;
   eeprom_shutter_out_init(on_adr,x_adr,off_adr,off_adr,11,10,0,10);//up down fullup full down
   
   eeprom_on_off_init(9,10,6);
   eeprom_on_off_init(20,21,7);
   unsigned int cama_on_adr[8]={9,255,255,255,255,255,255,255};
   unsigned int cama_off_adr[8]={10,255,255,255,255,255,255,255};
   eeprom_onOff_out_init(cama_on_adr,cama_off_adr,7);
   cama_on_adr[0]=20;
   cama_off_adr[0]=21;
   eeprom_onOff_out_init(cama_on_adr,cama_off_adr,6);
   /////////////////////////////////////////////////7
   */ 
   /////////////////////QUARTO RENATA///////////////
   //
   // INPUTS 
   // 0,1 cozinha
   // 2,3 quarto
   //
   // OUTPUTS
   // 5 quarto renata economica
   // 6 janela hologeneo
   // 7 entrada
   // 2 cozinha fluorescente
   // 3 cima balcao halogeneo
   // 4 divisoria halogeneo
   // 10 balcao baixo verde
   // 11 balcao cima verde
   // 12 balcao cima vermelho
   // 13 balcao cima azul
   // 14 balcao baixo azul
   // 15 balcao baixo vermelho
   //INPUT INIT
   eeprom_on_off_init(60,61,0);//on_adr off_adr real_btn interruptor cozinha 1
   eeprom_on_off_init(62,63,1);//on_adr off_adr real_btn interruptor cozinha 2  
// eeprom_dimmer_init(68,62,63,1);//dim_adr on_adr off_adr
   eeprom_on_off_init(64,65,2);//on_adr off_adr real_btn interruptor quarto renata 1
//   eeprom_on_off_init(66,67,3);//on_adr off_adr real_btn interruptor quarto renata 2  
   eeprom_dimmer_init(68,66,67,3);//dim_adr on_adr off_adr
  
   //OUTPUT INIT
   unsigned int on_adr[8]={60,255,255,255,255,255,255,255};
   unsigned int off_adr[8]={61,10,255,255,255,255,255,255};
   unsigned int dim_adr[8]={68,255,255,255,255,255,255,255};
   eeprom_onOff_out_init(on_adr,off_adr,2); //luz cozinha fluorescente
   on_adr[0]=62;
   off_adr[0]=63;
   eeprom_onOff_out_init(on_adr,off_adr,3); //luz cozinha cima balcao halogeneo
   eeprom_onOff_out_init(on_adr,off_adr,4); //luz cozinha divisoria
   eeprom_onOff_out_init(on_adr,off_adr,15); //luz balcao baixo vermelho
   eeprom_onOff_out_init(on_adr,off_adr,12); //luz balcao cima vermelho
   //eeprom_dimmer_out_init(dim_adr,on_adr,off_adr,3); //luz cozinha cima balcao halogeneo
   //eeprom_dimmer_out_init(dim_adr,on_adr,off_adr,4); //luz cozinha divisoria
   //eeprom_dimmer_out_init(dim_adr,on_adr,off_adr,15); //luz cozinha divisoria
   
   on_adr[0]=64;
   off_adr[0]=65;
   eeprom_onOff_out_init(on_adr,off_adr,5); //luz quarto renata economica
   on_adr[0]=66;
   off_adr[0]=67;
  // eeprom_onOff_out_init(on_adr,off_adr,7); //luz quarto renata entrada
  // eeprom_onOff_out_init(on_adr,off_adr,6); //luz quarto renata janela
   eeprom_dimmer_out_init(dim_adr,on_adr,off_adr,7); //luz quarto renata entrada
   eeprom_dimmer_out_init(dim_adr,on_adr,off_adr,6); //luz quarto renata janela
   
  
   readDevices();
#ifdef DEBUG  
    printf("inputs:%d outputs:%d %d %d\n\r",mydevices.numberOfInputs,mydevices.numberOfOutputs,((struct outputs)mydevices.myoutputs[0]).type,((struct outputs)mydevices.myoutputs[1]).type);
#endif
   dimmer_outputs_init();
   // printf("start %Lu %Lu %Lu\n\r",fpointer(N_LUZES,0),delays1[N_LUZES][0],delays2[N_LUZES][0]); 
   /*((struct light)mydevices.myoutputs[0].device).dim_value.value=50;
   ((struct light)mydevices.myoutputs[0].device).dim_value.needs_update=true;
   ((struct light)mydevices.myoutputs[0].device).off.value=1;
   ((struct light)mydevices.myoutputs[0].device).off.needs_update=true;
 */
 
   write_outputs();
// printf("start %Lu\n\r",fpointer(N_LUZES,0)); 
 interrupts_enable();

   while(true){
   restart_wdt();
   if(syncError || oscError)
   {  
      ++ledErrorCounter;
      if(ledErrorCounter>1000)
      {
         output_toggle(LED);
         ledErrorCounter=0;
      }
   }
#ifdef DEBUG
   if(kbhit())
   {
      setup_wdt(WDT_OFF);
      disable_interrupts (GLOBAL) ;
      goDebug();
   }
#endif
   process_outpoints();
   write_outputs();
   if(secondFlag)
   {
      secondFlag=false;
      processTimedEvents();
      if(!syncError && !oscError) output_toggle(LED);
   }
  // print_inputs(false);
  
}
}
Example #12
0
/* TODO: 2x16 unsupported */
int
flash_erase (flash_info_t *info, int s_first, int s_last)
{
	volatile unsigned char *addr = (uchar *)(info->start[0]);
	int flag, prot, sect, l_sect;
	ulong start, now, last;

	/* TODO: 2x16 unsupported */
	if(info->portwidth==4) return 1;

	if((info->flash_id & FLASH_TYPEMASK) == FLASH_ROM) return 1;
	if((info->flash_id & FLASH_TYPEMASK) == FLASH_RAM) {
	    for (sect = s_first; sect<=s_last; sect++) {
		int sector_size=info->size/info->sector_count;
		addr = (uchar *)(info->start[sect]);
		memset((void *)addr, 0, sector_size);
	    }
	    return 0;
	}

	if ((s_first < 0) || (s_first > s_last)) {
		if (info->flash_id == FLASH_UNKNOWN) {
			printf ("- missing\n");
		} else {
			printf ("- no sectors to erase\n");
		}
		return 1;
	}

	if ((info->flash_id&FLASH_VENDMASK) == FLASH_MAN_INTEL)  {
		return flash_erase_intel(info,
				(unsigned short)s_first,
				(unsigned short)s_last);
	}

#if 0
	if ((info->flash_id == FLASH_UNKNOWN) ||
	    (info->flash_id > FLASH_AMD_COMP)) {
		printf ("Can't erase unknown flash type %08lx - aborted\n",
			info->flash_id);
		return 1;
	}
#endif

	prot = 0;
	for (sect=s_first; sect<=s_last; ++sect) {
		if (info->protect[sect]) {
			prot++;
		}
	}

	if (prot) {
		printf ("- Warning: %d protected sectors will not be erased!\n",
			prot);
	} else {
		printf ("\n");
	}

	l_sect = -1;

	/* Disable interrupts which might cause a timeout here */
	flag = disable_interrupts();

	flash_cmd(info->portwidth,addr,0x555,0xAA);
	flash_cmd(info->portwidth,addr,0x2AA,0x55);
	flash_cmd(info->portwidth,addr,0x555,0x80);
	flash_cmd(info->portwidth,addr,0x555,0xAA);
	flash_cmd(info->portwidth,addr,0x2AA,0x55);

	/* Start erase on unprotected sectors */
	for (sect = s_first; sect<=s_last; sect++) {
		if (info->protect[sect] == 0) {	/* not protected */
			addr = (uchar *)(info->start[sect]);
			flash_cmd(info->portwidth,addr,0,0x30);
			l_sect = sect;
		}
	}

	/* re-enable interrupts if necessary */
	if (flag)
		enable_interrupts();

	/* wait at least 80us - let's wait 1 ms */
	udelay (1000);

	/*
	 * We wait for the last triggered sector
	 */
	if (l_sect < 0)
		goto DONE;

	start = get_timer (0);
	last  = start;
	addr = (volatile unsigned char *)(info->start[l_sect]);
	/* broken for 2x16: TODO */
	while ((addr[0] & 0x80) != 0x80) {
		if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
			printf ("Timeout\n");
			return 1;
		}
		/* show that we're waiting */
		if ((now - last) > 1000) {	/* every second */
			putc ('.');
			last = now;
		}
	}

DONE:
	/* reset to read mode */
	addr = (volatile unsigned char *)info->start[0];
	flash_cmd(info->portwidth,addr,0,0xf0);
	flash_cmd(info->portwidth,addr,0,0xf0);

	printf (" done\n");
	return 0;
}
Example #13
0
static int32
timer_thread(void *cookie)
{
	status_t status = 0;

	do {
		bigtime_t timeout;
		bigtime_t now;
		cpu_status cpu;
		timer_function func;
		void * cookie;
		int i;
		int index;

		cpu = disable_interrupts();
		acquire_spinlock(&sTimerSpinlock);

		now = system_time();
		cookie = 0;
		func = 0;
				
		// find timer with smallest event time
		index = -1;
		timeout = B_INFINITE_TIMEOUT;
		for (i = 0; i < sTimerCount; i++) {
			if (sTimerData[i].next_event < timeout) {
				timeout = sTimerData[i].next_event;
				index = i;
			}
		}
		
		if (timeout < now) {
			// timer is ready for execution, load func and cookie
			ASSERT(index >= 0 && index < sTimerCount);
			func = sTimerData[index].func;
			cookie = sTimerData[index].cookie;
			if (sTimerData[index].periodic) {
				// periodic timer is ready, update the entry
				sTimerData[index].next_event += sTimerData[index].interval;
			} else {
				// single shot timer is ready, delete the entry
				if (index != (sTimerCount - 1) && sTimerCount != 1) {
					memcpy(&sTimerData[index], &sTimerData[sTimerCount - 1], sizeof(struct timer_info));
				}
				sTimerCount--;
			}
		}

		release_spinlock(&sTimerSpinlock);
		restore_interrupts(cpu);
		
		// execute timer hook
		if (timeout < now) {
			ASSERT(func);
			func(cookie);
			continue;
		}

		status = acquire_sem_etc(sTimerSem, 1, B_ABSOLUTE_TIMEOUT, timeout);
	} while (status != B_BAD_SEM_ID);

	return 0;
}
int cpu_post_test_load (void)
{
    int ret = 0;
    unsigned int i;
    int flag = disable_interrupts();

    for (i = 0; i < cpu_post_load_size && ret == 0; i++)
    {
	struct cpu_post_load_s *test = cpu_post_load_table + i;
	uchar data[16] =
	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
	ulong base0 = (ulong) (data + 8);
	ulong base = base0;
	ulong value;

	if (test->index)
	{
	    ulong code[] =
	    {
		ASM_12(test->cmd, 5, 3, 4),
		ASM_BLR,
	    };

	    cpu_post_exec_22w (code, &base, test->offset, &value);
	}
	else
	{
	    ulong code[] =
	    {
		ASM_11I(test->cmd, 4, 3, test->offset),
		ASM_BLR,
	    };

	    cpu_post_exec_21w (code, &base, &value);
	}

	if (ret == 0)
	{
	   if (test->update)
	       ret = base == base0 + test->offset ? 0 : -1;
	   else
	       ret = base == base0 ? 0 : -1;
	}

	if (ret == 0)
	{
	    switch (test->width)
	    {
	    case 1:
		ret = *(uchar *)(base0 + test->offset) == value ?
		      0 : -1;
		break;
	    case 2:
		ret = *(ushort *)(base0 + test->offset) == value ?
		      0 : -1;
		break;
	    case 3:
		ret = *(short *)(base0 + test->offset) == value ?
		      0 : -1;
		break;
	    case 4:
		ret = *(ulong *)(base0 + test->offset) == value ?
		      0 : -1;
		break;
	    }
	}

	if (ret != 0)
	{
	    post_log ("Error at load test %d !\n", i);
	}
    }

    if (flag)
	enable_interrupts();

    return ret;
}
Example #15
0
extern "C" int
_start(kernel_args *bootKernelArgs, int currentCPU)
{
	if (bootKernelArgs->kernel_args_size != sizeof(kernel_args)
		|| bootKernelArgs->version != CURRENT_KERNEL_ARGS_VERSION) {
		// This is something we cannot handle right now - release kernels
		// should always be able to handle the kernel_args of earlier
		// released kernels.
		debug_early_boot_message("Version mismatch between boot loader and "
			"kernel!\n");
		return -1;
	}

	smp_set_num_cpus(bootKernelArgs->num_cpus);

	// wait for all the cpus to get here
	smp_cpu_rendezvous(&sCpuRendezvous);

	// the passed in kernel args are in a non-allocated range of memory
	if (currentCPU == 0)
		memcpy(&sKernelArgs, bootKernelArgs, sizeof(kernel_args));

	smp_cpu_rendezvous(&sCpuRendezvous2);

	// do any pre-booting cpu config
	cpu_preboot_init_percpu(&sKernelArgs, currentCPU);
	thread_preboot_init_percpu(&sKernelArgs, currentCPU);

	// if we're not a boot cpu, spin here until someone wakes us up
	if (smp_trap_non_boot_cpus(currentCPU, &sCpuRendezvous3)) {
		// init platform
		arch_platform_init(&sKernelArgs);

		// setup debug output
		debug_init(&sKernelArgs);
		set_dprintf_enabled(true);
		dprintf("Welcome to kernel debugger output!\n");
		dprintf("Haiku revision: %s\n", get_haiku_revision());

		// init modules
		TRACE("init CPU\n");
		cpu_init(&sKernelArgs);
		cpu_init_percpu(&sKernelArgs, currentCPU);
		TRACE("init interrupts\n");
		int_init(&sKernelArgs);

		TRACE("init VM\n");
		vm_init(&sKernelArgs);
			// Before vm_init_post_sem() is called, we have to make sure that
			// the boot loader allocated region is not used anymore
		boot_item_init();
		debug_init_post_vm(&sKernelArgs);
		low_resource_manager_init();

		// now we can use the heap and create areas
		arch_platform_init_post_vm(&sKernelArgs);
		lock_debug_init();
		TRACE("init driver_settings\n");
		driver_settings_init(&sKernelArgs);
		debug_init_post_settings(&sKernelArgs);
		TRACE("init notification services\n");
		notifications_init();
		TRACE("init teams\n");
		team_init(&sKernelArgs);
		TRACE("init ELF loader\n");
		elf_init(&sKernelArgs);
		TRACE("init modules\n");
		module_init(&sKernelArgs);
		TRACE("init semaphores\n");
		haiku_sem_init(&sKernelArgs);
		TRACE("init interrupts post vm\n");
		int_init_post_vm(&sKernelArgs);
		cpu_init_post_vm(&sKernelArgs);
		commpage_init();
		call_all_cpus_sync(non_boot_cpu_init, &sKernelArgs);

		TRACE("init system info\n");
		system_info_init(&sKernelArgs);

		TRACE("init SMP\n");
		smp_init(&sKernelArgs);
		cpu_build_topology_tree();
		TRACE("init timer\n");
		timer_init(&sKernelArgs);
		TRACE("init real time clock\n");
		rtc_init(&sKernelArgs);
		timer_init_post_rtc();

		TRACE("init condition variables\n");
		condition_variable_init();

		// now we can create and use semaphores
		TRACE("init VM semaphores\n");
		vm_init_post_sem(&sKernelArgs);
		TRACE("init generic syscall\n");
		generic_syscall_init();
		smp_init_post_generic_syscalls();
		TRACE("init scheduler\n");
		scheduler_init();
		TRACE("init threads\n");
		thread_init(&sKernelArgs);
		TRACE("init kernel daemons\n");
		kernel_daemon_init();
		arch_platform_init_post_thread(&sKernelArgs);

		TRACE("init I/O interrupts\n");
		int_init_io(&sKernelArgs);
		TRACE("init VM threads\n");
		vm_init_post_thread(&sKernelArgs);
		low_resource_manager_init_post_thread();
		TRACE("init DPC\n");
		dpc_init();
		TRACE("init VFS\n");
		vfs_init(&sKernelArgs);
#if ENABLE_SWAP_SUPPORT
		TRACE("init swap support\n");
		swap_init();
#endif
		TRACE("init POSIX semaphores\n");
		realtime_sem_init();
		xsi_sem_init();
		xsi_msg_init();

		// Start a thread to finish initializing the rest of the system. Note,
		// it won't be scheduled before calling scheduler_start() (on any CPU).
		TRACE("spawning main2 thread\n");
		thread_id thread = spawn_kernel_thread(&main2, "main2",
			B_NORMAL_PRIORITY, NULL);
		resume_thread(thread);

		// We're ready to start the scheduler and enable interrupts on all CPUs.
		scheduler_enable_scheduling();

		// bring up the AP cpus in a lock step fashion
		TRACE("waking up AP cpus\n");
		sCpuRendezvous = sCpuRendezvous2 = 0;
		smp_wake_up_non_boot_cpus();
		smp_cpu_rendezvous(&sCpuRendezvous); // wait until they're booted

		// exit the kernel startup phase (mutexes, etc work from now on out)
		TRACE("exiting kernel startup\n");
		gKernelStartup = false;

		smp_cpu_rendezvous(&sCpuRendezvous2);
			// release the AP cpus to go enter the scheduler

		TRACE("starting scheduler on cpu 0 and enabling interrupts\n");
		scheduler_start();
		enable_interrupts();
	} else {
		// lets make sure we're in sync with the main cpu
		// the boot processor has probably been sending us
		// tlb sync messages all along the way, but we've
		// been ignoring them
		arch_cpu_global_TLB_invalidate();

		// this is run for each non boot processor after they've been set loose
		smp_per_cpu_init(&sKernelArgs, currentCPU);

		// wait for all other AP cpus to get to this point
		smp_cpu_rendezvous(&sCpuRendezvous);
		smp_cpu_rendezvous(&sCpuRendezvous2);

		// welcome to the machine
		scheduler_start();
		enable_interrupts();
	}

#ifdef TRACE_BOOT
	// We disable interrupts for this dprintf(), since otherwise dprintf()
	// would acquires a mutex, which is something we must not do in an idle
	// thread, or otherwise the scheduler would be seriously unhappy.
	disable_interrupts();
	TRACE("main: done... begin idle loop on cpu %d\n", currentCPU);
	enable_interrupts();
#endif

	for (;;)
		cpu_idle();

	return 0;
}
Example #16
0
status_t 
ice1712_buffer_exchange(ice1712 *card, multi_buffer_info *data)
{
	int cpu_status = 0, status;
/*	unsigned char peak[MAX_ADC];
	int i;
*/
//	TRACE("Avant Exchange p : %d, r : %d\n", data->playback_buffer_cycle, data->record_buffer_cycle);

	status = acquire_sem_etc(card->buffer_ready_sem, 1, B_RELATIVE_TIMEOUT | B_CAN_INTERRUPT, 50000);
	switch (status) {
		case B_NO_ERROR:
//			TRACE("B_NO_ERROR\n");
			cpu_status  = disable_interrupts();

			// Playback buffers info
			data->played_real_time		= card->played_time;
			data->played_frames_count	= card->frames_count;
			data->playback_buffer_cycle	= (card->buffer - 1) % SWAPPING_BUFFERS; //Buffer played

			// Record buffers info
			data->recorded_real_time	= card->played_time;
			data->recorded_frames_count	= card->frames_count;
			data->record_buffer_cycle	= (card->buffer - 1) % SWAPPING_BUFFERS; //Buffer filled

			data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD;

			restore_interrupts(cpu_status);
			break;

		case B_BAD_SEM_ID:
			TRACE("B_BAD_SEM_ID\n");
			break;

		case B_INTERRUPTED:
			TRACE("B_INTERRUPTED\n");
			break;

		case B_BAD_VALUE:
			TRACE("B_BAD_VALUE\n");
			break;

		case B_WOULD_BLOCK:
			TRACE("B_WOULD_BLOCK\n");
			break;

		case B_TIMED_OUT:
			TRACE("B_TIMED_OUT\n");
			start_DMA(card);

			cpu_status = lock();

			data->played_real_time = card->played_time;
			data->playback_buffer_cycle	= 0;
			data->played_frames_count += card->buffer_size;

			data->recorded_real_time = card->played_time;
			data->record_buffer_cycle = 0;
			data->recorded_frames_count	+= card->buffer_size;
			data->flags = B_MULTI_BUFFER_PLAYBACK | B_MULTI_BUFFER_RECORD;

			unlock(cpu_status);
			break;

		default:
			TRACE("Default\n");
			break;
	}

	if ((card->buffer % 1500) == 0) {
		uint8 reg8, reg8_dir;
		reg8 = read_gpio(card);
		reg8_dir = read_cci_uint8(card, CCI_GPIO_DIRECTION_CONTROL);
		TRACE("DEBUG === GPIO = %d (dir %d)\n", reg8, reg8_dir);
		
		reg8 = spdif_read(card, CS84xx_VERSION_AND_CHIP_ID);
		TRACE("DEBUG === S/PDif Version : 0x%x\n", reg8);
	}

	return B_OK;
}
Example #17
0
		for (ih = TAILQ_FIRST(&iq->iq_list); ih != NULL;
		     ih = TAILQ_NEXT(ih, ih_list)) {
			vic1_irqs |= vic1_imask[ih->ih_ipl];
			vic2_irqs |= vic2_imask[ih->ih_ipl];
		}
		iq->iq_vic1_mask = vic1_irqs;
		iq->iq_vic2_mask = vic2_irqs;
	}
}

inline void
splx(int new)
{
	u_int	oldirqstate;

	oldirqstate = disable_interrupts(I32_bit);
	set_curcpl(new);
	if (new != hardware_spl_level) {
		hardware_spl_level = new;
		ep93xx_set_intrmask(vic1_imask[new], vic2_imask[new]);
	}
	restore_interrupts(oldirqstate);

#ifdef __HAVE_FAST_SOFTINTS
	cpu_dosoftints();
#endif
}

int
_splraise(int ipl)
{
Example #18
0
static int flash_erase_16(flash_info_t * info, int s_first, int s_last)
{
	volatile CONFIG_SYS_FLASH_WORD_SIZE *addr = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[0]);
	volatile CONFIG_SYS_FLASH_WORD_SIZE *addr2;
	int flag, prot, sect;

	if ((s_first < 0) || (s_first > s_last)) {
		if (info->flash_id == FLASH_UNKNOWN)
			printf("- missing\n");
		else
			printf("- no sectors to erase\n");
		return 1;
	}

	if (info->flash_id == FLASH_UNKNOWN) {
		printf("Can't erase unknown flash type - aborted\n");
		return 1;
	}

	prot = 0;
	for (sect = s_first; sect <= s_last; ++sect) {
		if (info->protect[sect])
			prot++;
	}

	if (prot)
		printf("- Warning: %d protected sectors will not be erased!",	prot);

	printf("\n");

	/* Disable interrupts which might cause a timeout here */
	flag = disable_interrupts();

	/* Start erase on unprotected sectors */
	for (sect = s_first; sect <= s_last; sect++) {
		if (info->protect[sect] == 0) {	/* not protected */
			addr2 = (CONFIG_SYS_FLASH_WORD_SIZE *) (info->start[sect]);

			addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xAA00AA00;
			addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x55005500;
			addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x80008000;
			addr[CONFIG_SYS_FLASH_ADDR0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xAA00AA00;
			addr[CONFIG_SYS_FLASH_ADDR1] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x55005500;
			addr2[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0x30003000;	/* sector erase */

			/*
			 * Wait for each sector to complete, it's more
			 * reliable.  According to AMD Spec, you must
			 * issue all erase commands within a specified
			 * timeout.  This has been seen to fail, especially
			 * if printf()s are included (for debug)!!
			 */
			wait_for_DQ7_16(info, sect);
		}
	}

	/* re-enable interrupts if necessary */
	if (flag)
		enable_interrupts();

	/* wait at least 80us - let's wait 1 ms */
	udelay(1000);

	/* reset to read mode */
	addr = (CONFIG_SYS_FLASH_WORD_SIZE *) info->start[0];
	addr[0] = (CONFIG_SYS_FLASH_WORD_SIZE) 0xF000F000;	/* reset bank */

	printf(" done\n");
	return 0;
}
Example #19
0
void watchdog_reset(void)
{
	int re_enable = disable_interrupts();
	reset_4xx_watchdog();
	if (re_enable) enable_interrupts();
}
int flash_erase(flash_info_t * info, int s_first, int s_last)
{
	vu_char *addr = (vu_char *) (info->start[0]);
	int flag, prot, sect, l_sect;
	ulong start, now, last;

	if ((s_first < 0) || (s_first > s_last)) {
		if (info->flash_id == FLASH_UNKNOWN) {
			printf("- missing\n");
		} else {
			printf("- no sectors to erase\n");
		}
		return 1;
	}

	if ((info->flash_id == FLASH_UNKNOWN) ||
	    (info->flash_id > FLASH_AMD_COMP)) {
		printf("Can't erase unknown flash type %08lx - aborted\n", info->flash_id);
		return 1;
	}

	prot = 0;
	for (sect = s_first; sect <= s_last; ++sect) {
		if (info->protect[sect]) {
			prot++;
		}
	}

	if (prot) {
		printf("- Warning: %d protected sectors will not be erased!\n", prot);
	} else {
		printf("\n");
	}

	l_sect = -1;

	/* Disable interrupts which might cause a timeout here */
	flag = disable_interrupts();

	addr[0x0555] = 0xAA;
	addr[0x02AA] = 0x55;
	addr[0x0555] = 0x80;
	addr[0x0555] = 0xAA;
	addr[0x02AA] = 0x55;

	/* Start erase on unprotected sectors */
	for (sect = s_first; sect <= s_last; sect++) {
		if (info->protect[sect] == 0) {	/* not protected */
			addr = (vu_char *) (info->start[sect]);
			addr[0] = 0x30;
			l_sect = sect;
		}
	}

	/* re-enable interrupts if necessary */
	if (flag)
		enable_interrupts();

	/* wait at least 80us - let's wait 1 ms */
	udelay(1000);

	/*
	 * We wait for the last triggered sector
	 */
	if (l_sect < 0)
		goto DONE;

	start = get_timer(0);
	last = start;
	addr = (vu_char *) (info->start[l_sect]);
	while ((addr[0] & 0x80) != 0x80) {
		if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
			printf("Timeout\n");
			return 1;
		}
		/* show that we're waiting */
		if ((now - last) > 1000) {	/* every second */
			putc('.');
			last = now;
		}
	}

DONE:
	/* reset to read mode */
	addr = (vu_char *) info->start[0];
	addr[0] = 0xF0;				/* reset bank */

	printf(" done\n");
	return 0;
}
Example #21
0
void PwmMngr::init(void)
{
	uint8_t timers = 0;

	// discover which timers must be configured
	for(int b = 0; b < BoosterMngr::nboosters; b++)
		timers |= get_timer(BoosterMngr::boosters[b].pwmSignalPin);

	// CONFIGURE TIMERS
	disable_interrupts();
#ifndef SIMULATOR
	if(timers & (1 << 1)) {
		// timer 1
		TCCR1A = (TCCR1A & 0b00001100)
			              // 0b00______ Normal port operation, OC1A disconnected
			              // 0b__00____ Normal port operation, OC1B disconnected
			              // 0b____**__ Reserved
			| 0b00000001; // 0b______01 Fast PWM 8-bit (!WGM13, WGM12, !WGM11, WGM10)
		TCCR1B = (TCCR1B & 0b11100000)
			              // 0b***_____ ICNC1, ICES1, Reserved
			| 0b00001000  // 0b___01___ Fast PWM 8-bit (!WGM13, WGM12, !WGM11, WGM10)
			| 0x04;       // 0b_____100 clock prescaler 0x04 (16e6/256 = 62.5 khz)
		TIMSK1 &= 0b11011000; // disable all timer 1 interrupts
		                      // 0b**_**___ Reserved
				      // 0b__0_____ input capture interrupt enable
				      // 0b_____0__ OCIE1B: output compare B match interrupt enable
				      // 0b______0_ OCIE1A: output compare A match interrupt enable
				      // 0b_______0 TOIE1: overflow interrupt enable
		OCR1A = OCR1B = 0;
	}

	if(timers & (1 << 2)) {
		// timer 2
		TCCR2A = (TCCR2A & 0b00001100)
			              // 0b00______ Normal port operation, OC2A disconnected
			              // 0b__00____ Normal port operation, OC2B disconnected
			              // 0b____**__ reserved
			| 0b00000011; // 0b00000011 Fast PWM (!WGM22, WGM21, WGM20)
		TCCR2B = (TCCR2B & 0b11110000)
			               // 0b****____ FOC2A, FOC2B, Reserved, Reserved
			| 0b00000000   // 0b____0___ Fast PWM (!WGM22, WGM21, WGM20)
			| 0x6;         // 0b_____110 clock prescaler 0x6 (16e6/256 = 62.5 khz)
		TIMSK2 &= 0b11111000;  // disable all timer 2 interrupts
		OCR2A = OCR2B = 0;
	}

#if defined (__AVR_ATmega2560__)
	if(timers & (1 << 3)) {
		// timer 1
		TCCR3A = (TCCR3A & 0b00000000)
			              // 0b00______ Normal port operation, OC3A disconnected
			              // 0b__00____ Normal port operation, OC3B disconnected
			              // 0b____00__ Normal port operation, OC3C disconnected
			| 0b00000001; // 0b______01 Fast PWM 8-bit (!WGM33, WGM32, !WGM31, WGM30)
		TCCR3B = (TCCR3B & 0b11100000)
			              // 0b***_____ ICNC3, ICES3, Reserved
			| 0b00001000  // 0b___01___ Fast PWM 8-bit (!WGM33, WGM32, !WGM31, WGM30)
			| 0x04;       // 0b_____100 clock prescaler 0x04 (16e6/256 = 62.5 khz)
		TIMSK3 &= 0b11010000; // disable all timer 1 interrupts
		                      // 0b**_*____ Reserved
				      // 0b__0_____ input capture interrupt enable
				      // 0b____0___ OCIE3C: output compare B match interrupt enable
				      // 0b_____0__ OCIE3B: output compare B match interrupt enable
				      // 0b______0_ OCIE3A: output compare A match interrupt enable
				      // 0b_______0 TOIE3: overflow interrupt enable
		OCR3A = OCR3B = OCR3C = 0;
	}
#endif
#endif
	enable_interrupts();

	//-------------------------------------------
	// RESET PWM STATUS
	for(int b = 0; b < BoosterMngr::nboosters; b++) {
		booster_activate(b);
		BoosterMngr::boosters[b].reset();
	}
}
Example #22
0
void ksystime_get_uptime(SYSTIME* res)
{
    disable_interrupts();
    ksystime_get_uptime_internal(res);
    enable_interrupts();
}
Example #23
0
int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[])
{
	int ret = 0;
	long state;
	cmd_tbl_t *c;
	boot_os_fn *boot_fn;

	c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));

	if (c) {
		state = (long)c->cmd;

		/* treat start special since it resets the state machine */
		if (state == BOOTM_STATE_START) {
			argc--;
			argv++;
			return bootm_start(cmdtp, flag, argc, argv);
		}
	} else {
		/* Unrecognized command */
		return CMD_RET_USAGE;
	}

	if (images.state >= state) {
		printf("Trying to execute a command out of order\n");
		return CMD_RET_USAGE;
	}

	images.state |= state;
	boot_fn = boot_os[images.os.os];

	switch (state) {
		ulong load_end;
		case BOOTM_STATE_START:
			/* should never occur */
			break;
		case BOOTM_STATE_LOADOS:
			ret = bootm_load_os(images.os, &load_end, 0);
			if (ret)
				return ret;

			lmb_reserve(&images.lmb, images.os.load,
					(load_end - images.os.load));
			break;
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
		case BOOTM_STATE_RAMDISK:
		{
			ulong rd_len = images.rd_end - images.rd_start;
			char str[17];

			ret = boot_ramdisk_high(&images.lmb, images.rd_start,
				rd_len, &images.initrd_start, &images.initrd_end);
			if (ret)
				return ret;

			sprintf(str, "%lx", images.initrd_start);
			setenv("initrd_start", str);
			sprintf(str, "%lx", images.initrd_end);
			setenv("initrd_end", str);
		}
			break;
#endif
#if defined(CONFIG_OF_LIBFDT)
		case BOOTM_STATE_FDT:
		{
			boot_fdt_add_mem_rsv_regions(&images.lmb,
						     images.ft_addr);
			ret = boot_relocate_fdt(&images.lmb,
				&images.ft_addr, &images.ft_len);
			break;
		}
#endif
		case BOOTM_STATE_OS_CMDLINE:
			ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
			if (ret)
				printf("cmdline subcommand not supported\n");
			break;
		case BOOTM_STATE_OS_BD_T:
			ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
			if (ret)
				printf("bdt subcommand not supported\n");
			break;
		case BOOTM_STATE_OS_PREP:
			ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
			if (ret)
				printf("prep subcommand not supported\n");
			break;
		case BOOTM_STATE_OS_GO:
			disable_interrupts();
			arch_preboot_os();
			boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
			break;
	}

	return ret;
}
Example #24
0
/*
 *  This function is called from accdesk_start (in gemstart.S) which
 *  is itself called from gem_main() below.
 *
 *  It runs under a separate process which terminates on shutdown or
 *  resolution change (see accdesk_start).  This ensures that all
 *  memory allocated to or by desk accessories is automatically freed
 *  on resolution change.
 */
void run_accs_and_desktop(void)
{
    WORD i;
    BOOL isgem;

    /* load gem resource and fix it up before we go */
    gem_rsc_init();

    /* get mice forms */
    ad_armice = (MFORM *)rs_bitblk[MICE00].bi_pdata;
    ad_hgmice = (MFORM *)rs_bitblk[MICE02].bi_pdata;

    /* init button stuff */
    gl_btrue = 0x0;
    gl_bdesired = 0x0;
    gl_bdely = 0x0;
    gl_bclick = 0x0;

    gl_logdrv = dos_gdrv() + 'A';   /* boot directory       */
    gsx_init();                     /* do gsx open work station */

    load_accs(num_accs);            /* load up to 'num_accs' desk accessories */

    /* fix up icons */
    for (i = 0; i < 3; i++) {
        memcpy(&bi, &rs_bitblk[NOTEBB+i], sizeof(BITBLK));
        gsx_trans(bi.bi_pdata, bi.bi_wb, bi.bi_pdata, bi.bi_wb, bi.bi_hl);
    }

    /* take the critical err handler int. */
    disable_interrupts();
    takeerr();
    enable_interrupts();

    sh_tographic();                 /* go into graphic mode */

    /* take the tick interrupt */
    disable_interrupts();
    gl_ticktime = gsx_tick(tikaddr, &tiksav);
    enable_interrupts();

    /* set initial click rate: must do this after setting gl_ticktime */
    ev_dclick(3, TRUE);

    /* fix up the GEM rsc file now that we have an open WS */
    gem_rsc_fixit();

    wm_start();                     /* initialise window vars */
    fs_start();                     /* startup gem libs */
    sh_curdir(D.s_cdir);            /* remember current desktop directory */
    isgem = process_inf2();         /* process emudesk.inf part 2 */

    dsptch();                       /* off we go !!! */
    all_run();                      /* let them run  */

    sh_init();                      /* init for shell loop */
    sh_main(isgem);                 /* main shell loop */

    /* give back the tick   */
    disable_interrupts();
    gl_ticktime = gsx_tick(tiksav, &tiksav);
    enable_interrupts();

    /* close workstation    */
    gsx_wsclose();
}
Example #25
0
int flash_erase (flash_info_t *info, int s_first, int s_last) {
	int iflag, cflag, prot, sect;
	int rc = ERR_OK;

/* first look for protection bits */

	if (info->flash_id == FLASH_UNKNOWN)
		return ERR_UNKNOWN_FLASH_TYPE;

	if ((s_first < 0) || (s_first > s_last))
		return ERR_INVAL;

	if ((info->flash_id & FLASH_VENDMASK) != (FLASH_MAN_MT & FLASH_VENDMASK))
		return ERR_UNKNOWN_FLASH_VENDOR;

	prot = 0;

	for (sect = s_first; sect <= s_last; ++sect) {
		if (info->protect[sect])
			prot++;
	}

	if (prot) {
		printf("protected!\n");
		return ERR_PROTECTED;
	}
/*
 * Disable interrupts which might cause a timeout
 * here. Remember that our exception vectors are
 * at address 0 in the flash, and we don't want a
 * (ticker) exception to happen while the flash
 * chip is in programming mode.
 */

	cflag = icache_status();
	icache_disable();
	iflag = disable_interrupts();

/* Start erase on unprotected sectors */
	for (sect = s_first; sect <= s_last && !ctrlc(); sect++) {

		printf("Erasing sector %2d ... ", sect);

/* arm simple, non interrupt dependent timer */

		reset_timer_masked();

		SF_NvmodeErase();
		SF_NvmodeWrite();

		SF_Erase(CFG_FLASH_BASE + (0x0100000 * sect));
		SF_Normal();

		printf("ok.\n");
	}

	if (ctrlc())
		printf("User Interrupt!\n");

	if (iflag)
		enable_interrupts();

	if (cflag)
		icache_enable();

	return rc;
}
Example #26
0
void gem_main(void)
{
    WORD    i;

    sh_rdinf();                 /* get start of emudesk.inf */
    if (!gl_changerez)          /* can't be here because of rez change,       */
        process_inf1();         /*  so see if .inf says we need to change rez */

    if (gl_changerez) {
        switch(gl_changerez) {
#if CONF_WITH_ATARI_VIDEO
        case 1:                     /* ST(e) or TT display */
            Setscreen(-1L,-1L,gl_nextrez-2,0);
            initialise_palette_registers(gl_nextrez-2,0);
            break;
#endif
#if CONF_WITH_VIDEL
        case 2:                     /* Falcon display */
            Setscreen(-1L, -1L, FALCON_REZ, gl_nextrez);
            initialise_palette_registers(FALCON_REZ,gl_nextrez);
            break;
#endif
        }
        gsx_wsclear();              /* avoid artefacts that may show briefly */
        /*
         * resolution change always resets the default drive to the
         * boot device.  TOS3 issues a Dsetdrv() when this happens,
         * which Hatari's GEMDOS drive emulation uses to keep track
         * of the current drive.  we do the same.
         */
        dos_sdrv(bootdev);
    }

    ml_ocnt = 0;

    gl_changerez = FALSE;

    mn_init();                      /* initialise variables for menu_register() */

    num_accs = count_accs();        /* puts ACC names in acc_name[] */

    D.g_acc = NULL;
    if (num_accs)
        D.g_acc = dos_alloc(num_accs*sizeof(AESPROCESS));
    if (D.g_acc)
        memset(D.g_acc,0x00,num_accs*sizeof(AESPROCESS));
    else num_accs = 0;

    totpds = num_accs + 2;

    disable_interrupts();
    set_aestrap();                  /* set trap#2 -> aestrap */

    /* init event recorder  */
    gl_recd = FALSE;
    gl_rlen = 0;
    gl_rbuf = NULL;

    /* link up all the evb's to the event unused list */
    eul = NULL;
    for (i = 0; i < 2; i++)
        ev_init(D.g_int[i].a_evb,EVBS_PER_PD);
    for (i = 0; i < num_accs; i++)
        ev_init(D.g_acc[i].a_evb,EVBS_PER_PD);

    /* initialize sync blocks */
    wind_spb.sy_tas = 0;
    wind_spb.sy_owner = NULL;
    wind_spb.sy_wait = 0;

    /*
     * init processes - TODO: should go in gempd or gemdisp.
     */

    /* initialize list and unused lists   */
    nrl = drl = NULL;
    dlr = zlr = NULL;
    fph = fpt = fpcnt = 0;

    /* init initial process */
    for(i=totpds-1; i>=0; i--)
    {
        rlr = pd_index(i);
        if (i < 2)
        {
            rlr->p_uda = &D.g_int[i].a_uda;
            rlr->p_cda = &D.g_int[i].a_cda;
        }
        else
        {
            rlr->p_uda = &D.g_acc[i-2].a_uda;
            rlr->p_cda = &D.g_acc[i-2].a_cda;
        }
        rlr->p_qaddr = rlr->p_queue;
        rlr->p_qindex = 0;
        memset(rlr->p_name, ' ', AP_NAMELEN);
        rlr->p_appdir[0] = '\0'; /* by default, no application directory */
        /* if not rlr then initialize his stack pointer */
        if (i != 0)
            rlr->p_uda->u_spsuper = &rlr->p_uda->u_supstk;
        rlr->p_pid = i;
        rlr->p_stat = 0;
    }
    curpid = 0;
    rlr->p_pid = curpid++;
    rlr->p_link = NULL;

    /* end of process init */

    /* restart the tick     */
    enable_interrupts();

    /*
     * screen manager process init. this process starts out owning the mouse
     * and the keyboard. it has a pid == 1
     */
    gl_mowner = ctl_pd = iprocess("SCRENMGR", ctlmgr);

    /*
     * run the accessories and the desktop until termination
     * (for shutdown or resolution change)
     */
    aes_run_rom_program(accdesk_start);

    /* restore previous trap#2 address */
    disable_interrupts();
    unset_aestrap();
    enable_interrupts();

    if (D.g_acc)
        dos_free((LONG)D.g_acc);
}
Example #27
0
void main()
{
   disable_interrupts(GLOBAL);
   
   setup_spi(SPI_MASTER | SPI_MODE_0_0 | SPI_CLK_DIV_16 );
   setup_spi2(SPI_MASTER | SPI_MODE_0_0 | SPI_CLK_DIV_16 );
   
   setup_adc_ports(sAN0|sAN1|sAN2|sAN3|sAN4|VSS_4V096);
   setup_adc(ADC_CLOCK_INTERNAL|ADC_TAD_MUL_0);

   // TIMER 0 is being used to service the WTD
   setup_timer_0(T0_INTERNAL|T0_DIV_256);
   /* sets the internal clock as source and prescale 256. 
      At 10 Mhz timer0 will increment every 0.4us (Fosc*4) in this setup and overflows every
      6.71 seconds. Timer0 defaults to 16-bit if RTCC_8_BIT is not used.
      Fosc = 10 MHz, Fosc/4 = 2.5 Mhz, div 256 = 0.0001024 s, 65536 increments = 6.71 sec
      Fosc = 64 MHz, Fosc/4 = 16 Mhz, div 256 = 0.000016 s, 65536 increments = 1.05 sec
      .. pre-load with 3036 to get exact 1.0000 sec value
   */
   
   // TIMER 1 is used to extinguish the LED
   setup_timer_1(T1_INTERNAL|T1_DIV_BY_8);
   /* sets the internal clock as source and prescale 4. 
      At 10Mhz timer0 will increment every 0.4us in this setup and overflows every
      104.8 ms. Timer1 is 16-bit.
      Fosc = 10 Mhz ... 2.5 MHz / div 4  = 0.00000160 s * 65536 = 0.104858 sec
      Fosc = 64 Mhz ... 16 MHz /  div 4  = 0.00000025 s * 65536 = 0.016384 sec
      Fosc = 64 Mhz ... 16 MHz /  div 8  = 0.00000200 s * 65536 = 0.032768 sec
   */   
   
   setup_stepper_pwm();  // Uses TIMER 2
   
   // TIMER 3 is used for stepper motor intervals
   setup_timer_3(T3_INTERNAL | T3_DIV_BY_1);   // 16 bit timer
   
   // TIMER 4 is use for serial time-outs. 8-bit timer.
   setup_timer_4(T4_DIV_BY_4, 127, 1);           
   
   setup_comparator(NC_NC_NC_NC);
   
   setup_oscillator(OSC_16MHZ | OSC_PLL_ON);  // Fosc = 64 MHz
          
   ext_int_edge(0, H_TO_L);         // Set up PIC18 EXT0
   enable_interrupts(INT_EXT);
   
   start_heartbeat();
   
   enable_interrupts(GLOBAL);

   init_hardware();
   motor_sleep_rdy();
   
   sleep_mode = FALSE;   
   busy_set();
   
   init_nv_vars();
   get_step_vars();
   init_aws();
   
   blink();
   
   //Add for TCP/IP interface
   //delay_ms(15000);
   
   signon();
   
   RTC_read();
   RTC_last_power();
   RTC_reset_HT();  
   RTC_read();    
   RTC_read_flags();
   
   if(nv_sd_status>0) fprintf(COM_A,"@SD=%Lu\r\n", nv_sd_status);
   init_rtc(); // This is the FAT RTC
   sd_status = init_sdcard();
   if(sd_status>0) msg_card_fail();
   
   reset_event();
   
   if(m_error[0] > 0 || m_error[1] > 0) msg_mer();  
   
   if (m_comp[0]==FALSE) {
      e_port[0]=0;
      write16(ADDR_E1_PORT,0);
      fprintf(COM_A, "@MC1,%Lu,%Ld\r\n", m_comp[0],e_port[0]);
   }
   if (m_comp[1]==FALSE) {
      m_lin_pos[1]=-1;
      write16(ADDR_M2_LIN_POS, -1);
      fprintf(COM_A, "@MC2,%Lu,%Ld\r\n", m_comp[1],m_lin_pos[1]);
   }
   
   if (nv_cmd_mode == FALSE){
      for(dt=0; dt<100; ++dt){
         blip();
         if (nv_cmd_mode == TRUE) {
            busy_clear();
            fputs("@OK!", COM_A);
            command_prompt();
            dt = 100;
         }
      }
   }
   else command_prompt();
   
   user_quit = auto_sample_ready();
   
   reset_cpu();
}
/*
 * void cpu_reboot(int howto, char *bootstr)
 *
 * Reboots the system
 *
 * Deal with any syncing, unmounting, dumping and shutdown hooks,
 * then reset the CPU.
 */
void
cpu_reboot(int howto, char *bootstr)
{

	/*
	 * If we are still cold then hit the air brakes
	 * and crash to earth fast
	 */
	if (cold) {
		doshutdownhooks();
		pmf_system_shutdown(boothowto);
		printf("The operating system has halted.\n");
		printf("Please press any key to reboot.\n\n");
		cngetc();
		printf("rebooting...\n");
		goto reset;
	}

	/* Disable console buffering */

	/*
	 * If RB_NOSYNC was not specified sync the discs.
	 * Note: Unless cold is set to 1 here, syslogd will die during the
	 * unmount.  It looks like syslogd is getting woken up only to find
	 * that it cannot page part of the binary in as the filesystem has
	 * been unmounted.
	 */
	if (!(howto & RB_NOSYNC))
		bootsync();

	/* Say NO to interrupts */
	splhigh();

	/* Do a dump if requested. */
	if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP)
		dumpsys();
	
	/* Run any shutdown hooks */
	doshutdownhooks();

	pmf_system_shutdown(boothowto);

	/* Make sure IRQ's are disabled */
	IRQdisable;

	if (howto & RB_HALT) {
		printf("The operating system has halted.\n");
		printf("Please press any key to reboot.\n\n");
		cngetc();
	}

	printf("rebooting...\n\r");
 reset:
	/*
	 * Make really really sure that all interrupts are disabled,
	 * and poke the Internal Bus and Peripheral Bus reset lines.
	 */
	(void) disable_interrupts(I32_bit|F32_bit);
	*(volatile uint32_t *)(IYONIX_80321_VBASE + VERDE_ATU_BASE +
	    ATU_PCSR) = PCSR_RIB | PCSR_RPB;

	/* ...and if that didn't work, just croak. */
	printf("RESET FAILED!\n");
	for (;;);
}
Example #29
0
status_t
device_read(void *data, off_t pos, void *buffer, size_t *_length)
{
	struct sis_info *info;
	status_t status;
	size_t size;
	int32 blockFlag;
	uint32 check;
	int16 current;

	if (checkDeviceInfo(info = data) != B_OK) {
#ifndef __HAIKU__
		*_length = 0;
			// net_server work-around; it obviously doesn't care about error conditions
			// For Haiku, this can be removed
#endif
		return B_BAD_VALUE;
	}

	blockFlag = info->blockFlag;

	TRACE(("read: rx: isr = %d, free = %d, current = %d, blockFlag = %lx\n",
		info->rxInterruptIndex, info->rxFree, info->rxCurrent, blockFlag));

	// read is not reentrant
	if (atomic_or(&info->rxLock, 1)) {
#ifndef __HAIKU__
		*_length = 0;
#endif
		return B_ERROR;
	}

	// block until data is available (if blocking is allowed)
	if ((status = acquire_sem_etc(info->rxSem, 1, B_CAN_INTERRUPT | blockFlag, 0)) != B_NO_ERROR) {
		TRACE(("cannot acquire read sem: %lx, %s\n", status, strerror(status)));
		atomic_and(&info->rxLock, 0);
#ifndef __HAIKU__
		*_length = 0;
#endif
		return status;
	}

	/* three cases, frame is good, bad, or we don't own the descriptor */
	current = info->rxCurrent;
	check = info->rxDescriptor[current].status;

	if (!(check & SiS900_DESCR_OWN)) {	// the buffer is still in use!
		TRACE(("ERROR: read: buffer %d still in use: %lx\n", current, status));
		atomic_and(&info->rxLock, 0);
#ifndef __HAIKU__
		*_length = 0;
#endif
		return B_BUSY;
	}

	if (check & (SiS900_DESCR_Rx_ABORT | SiS900_DESCR_Rx_OVERRUN |
				 SiS900_DESCR_Rx_LONG_PACKET | SiS900_DESCR_Rx_RUNT_PACKET |
				 SiS900_DESCR_Rx_INVALID_SYM | SiS900_DESCR_Rx_FRAME_ALIGN |
				 SiS900_DESCR_Rx_CRC_ERROR)) {
		TRACE(("ERROR read: packet with errors: %ld\n", check));
		*_length = 0;
	} else {
		// copy buffer
		size = (check & SiS900_DESCR_SIZE_MASK) - CRC_SIZE;
		if (size > MAX_FRAME_SIZE || size > *_length) {
			TRACE(("ERROR read: bad frame size %ld\n", size));
			size = *_length;
		} else if (size < *_length)
			*_length = size;

		memcpy(buffer, (void *)info->rxBuffer[current], size);
	}
	info->rxCurrent = (current + 1) & NUM_Rx_MASK;

	/* update indexes and buffer ownership */
	{
		cpu_status former;
		former = disable_interrupts();
		acquire_spinlock(&info->rxSpinlock);

		// release buffer to ring
		info->rxDescriptor[current].status = MAX_FRAME_SIZE + CRC_SIZE;
		info->rxFree++;

		release_spinlock(&info->rxSpinlock);
   		restore_interrupts(former);
	}

	atomic_and(&info->rxLock, 0);
	return B_OK;
}
Example #30
0
u_int
initarm(void *arg)
{
	ofw_handle_t ofw_handle = arg;
	paddr_t  pclean;
	vaddr_t  isa_io_virtaddr, isa_mem_virtaddr;
	paddr_t  isadmaphysbufs;
	extern char shark_fiq[], shark_fiq_end[];

	/* Don't want to get hit with interrupts 'til we're ready. */
	(void)disable_interrupts(I32_bit | F32_bit);

	set_cpufuncs();

	/* XXX - set these somewhere else? -JJK */
	boothowto = 0;

	/* Init the OFW interface. */
	/* MUST do this before invoking any OFW client services! */
	ofw_init(ofw_handle);

	/* Configure ISA stuff: must be done before consinit */
	ofw_configisa(&isa_io_physaddr, &isa_mem_physaddr);

	/* Map-in ISA I/O and memory space. */
	/* XXX - this should be done in the isa-bus attach routine! -JJK */
	isa_mem_virtaddr = ofw_map(isa_mem_physaddr, L1_S_SIZE, 0);
	isa_io_virtaddr  = ofw_map(isa_io_physaddr,  L1_S_SIZE, 0);

	/* Set-up the ISA system: must be done before consinit */
	isa_init(isa_io_virtaddr, isa_mem_virtaddr);
  
	/* Initialize the console (which will call into OFW). */
	/* This will allow us to see panic messages and other printf output. */
	consinit();

	/* Get boot info and process it. */
	ofw_getbootinfo(&boot_file, &boot_args);
	process_kernel_args();

	ofw_configisadma(&isadmaphysbufs);
#if (NISADMA > 0)
	isa_dma_init();
#endif

	/* allocate a cache clean space */
	if ((pclean = ofw_getcleaninfo()) != -1) {
		sa1_cache_clean_addr = ofw_map(pclean, 0x4000 * 2,
		     L2_B | L2_C);
		sa1_cache_clean_size = 0x4000;
	}

	/* Configure memory. */
	ofw_configmem();

	/*
	 * Set-up stacks.
	 * The kernel stack for SVC mode will be updated on return
	 * from this routine.
	 */
	set_stackptr(PSR_IRQ32_MODE, irqstack.pv_va + PAGE_SIZE);
	set_stackptr(PSR_UND32_MODE, undstack.pv_va + PAGE_SIZE);
	set_stackptr(PSR_ABT32_MODE, abtstack.pv_va + PAGE_SIZE);

	/* Set-up exception handlers. */

	/*
	 * Take control of selected vectors from OFW.
	 * We take: undefined, swi, pre-fetch abort, data abort, addrexc,
         * 	    irq, fiq
	 * OFW retains:  reset
         */
	arm32_vector_init(ARM_VECTORS_LOW, ARM_VEC_ALL & ~ARM_VEC_RESET);

	data_abort_handler_address = (u_int)data_abort_handler;
	prefetch_abort_handler_address = (u_int)prefetch_abort_handler;
	undefined_handler_address =
	    (u_int)undefinedinstruction_bounce;	/* why is this needed? -JJK */

	/* Initialise the undefined instruction handlers. */
	undefined_init();

	/* Now for the SHARK-specific part of the FIQ set-up */
	shark_fiqhandler.fh_func = shark_fiq;
	shark_fiqhandler.fh_size = shark_fiq_end - shark_fiq;
	shark_fiqhandler.fh_flags = 0;
	shark_fiqhandler.fh_regs = &shark_fiqregs;

	shark_fiqregs.fr_r8   = isa_io_virtaddr;
	shark_fiqregs.fr_r9   = 0; /* no routine right now */
	shark_fiqregs.fr_r10  = 0; /* no arg right now */
	shark_fiqregs.fr_r11  = 0; /* scratch */
	shark_fiqregs.fr_r12  = 0; /* scratch */
	shark_fiqregs.fr_r13  = 0; /* must set a stack when r9 is set! */

	if (fiq_claim(&shark_fiqhandler))
		panic("Cannot claim FIQ vector.");

#if NKSYMS || defined(DDB) || defined(MODULAR)
#ifndef __ELF__
	{
		struct exec *kernexec = (struct exec *)KERNEL_TEXT_BASE;
		extern int end;
		extern char *esym;

		ksyms_addsyms_elf(kernexec->a_syms, &end, esym);
	}
#endif /* __ELF__ */
#endif /* NKSYMS || defined(DDB) || defined(MODULAR) */

#ifdef DDB
	db_machine_init();
	if (boothowto & RB_KDB)
		Debugger();
#endif

	/* Return the new stackbase. */
	return(kernelstack.pv_va + USPACE_SVC_STACK_TOP);
}