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Ignore whitespace Rev 2356 → Rev 2357

/branches/arm/kernel/arch/arm32/src/drivers/gxemul.c
83,6 → 83,7
.read = gxemul_do_read,
};
 
 
/** Returns the mask of active interrupts. */
static inline uint32_t gxemul_irqc_get_sources(void)
{
89,6 → 90,7
return *(uint32_t*) gxemul_hw_map.irqc;
}
 
 
/** Masks interrupt.
*
* @param irq interrupt number
98,6 → 100,7
*(uint32_t*) gxemul_hw_map.irqc_mask = irq;
}
 
 
/** Unmasks interrupt.
*
* @param irq interrupt number
107,6 → 110,7
*(uint32_t*) gxemul_hw_map.irqc_unmask = irq;
}
 
 
/** Initializes #gxemul_hw_map. */
void machine_hw_map_init(void)
{
114,6 → 118,7
gxemul_hw_map.kbd = hw_map(GXEMUL_KBD, PAGE_SIZE);
gxemul_hw_map.rtc = hw_map(GXEMUL_RTC, PAGE_SIZE);
gxemul_hw_map.irqc = hw_map(GXEMUL_IRQC, PAGE_SIZE);
gxemul_hw_map.fb = hw_map(GXEMUL_FB, PAGE_SIZE);
 
gxemul_hw_map.rtc_freq = gxemul_hw_map.rtc + GXEMUL_RTC_FREQ_OFFSET;
gxemul_hw_map.rtc_ack = gxemul_hw_map.rtc + GXEMUL_RTC_ACK_OFFSET;
123,6 → 128,7
hw_map_init_called = true;
}
 
 
/** Putchar that works with gxemul */
static void gxemul_write(chardev_t *dev, const char ch)
{
129,6 → 135,7
*((char *) gxemul_hw_map.videoram) = ch;
}
 
 
/* Called from getc(). */
static void gxemul_enable(chardev_t *dev)
{
135,6 → 142,7
gxemul_irqc_unmask(GXEMUL_KBD_IRQ);
}
 
 
/* Called from getc(). */
static void gxemul_disable(chardev_t *dev)
{
141,7 → 149,11
gxemul_irqc_mask(GXEMUL_KBD_IRQ);
}
 
/** Read character using polling, assume interrupts disabled */
 
/** Read character using polling, assume interrupts disabled.
*
* @param dev Not used.
*/
static char gxemul_do_read(chardev_t *dev)
{
char ch;
158,28 → 170,33
}
}
 
 
/** Process keyboard interrupt. */
static void gxemul_irq_handler(irq_t *irq, void *arg, ...)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox)) {
ipc_irq_send_notif(irq);
else {
} else {
char ch = 0;
ch = *((char *) gxemul_hw_map.kbd);
if (ch =='\r')
ch = '\n';
if (ch == 0x7f)
ch = '\b';
chardev_push_character(&console, ch);
ch = *((char *) gxemul_hw_map.kbd);
if (ch == '\r') {
ch = '\n';
}
if (ch == 0x7f) {
ch = '\b';
}
chardev_push_character(&console, ch);
}
}
 
 
static irq_ownership_t gxemul_claim(void)
{
return IRQ_ACCEPT;
}
 
 
void machine_grab_console(void)
{
ipl_t ipl = interrupts_disable();
189,18 → 206,23
interrupts_restore(ipl);
}
 
 
void machine_release_console(void)
{
ipl_t ipl = interrupts_disable();
spinlock_lock(&gxemul_irq.lock);
if (gxemul_irq.notif_cfg.answerbox)
if (gxemul_irq.notif_cfg.answerbox) {
gxemul_irq.notif_cfg.notify = true;
}
spinlock_unlock(&gxemul_irq.lock);
interrupts_restore(ipl);
}
 
 
/** Return console object representing gxemul console */
/** Initializes console object representing gxemul console.
*
* @param Console device number.
*/
void machine_console_init(devno_t devno)
{
chardev_initialize("gxemul_console", &console, &gxemul_ops);
226,7 → 248,7
 
/** Starts gxemul Real Time Clock device, which asserts regular interrupts.
*
* @param frequency interrupts frequency (0 disables RTC)
* @param frequency Interrupts frequency (0 disables RTC).
*/
static void gxemul_timer_start(uint32_t frequency)
{
233,14 → 255,17
*(uint32_t*) gxemul_hw_map.rtc_freq = frequency;
}
 
 
static irq_ownership_t gxemul_timer_claim(void)
{
return IRQ_ACCEPT;
}
 
 
/** Timer interrupt handler.
*
* @param irq interrupt information
* @param irq Interrupt information.
* @param arg Not used.
*/
static void gxemul_timer_irq_handler(irq_t *irq, void *arg, ...)
{
273,8 → 298,8
*/
}
 
/** Initializes and registers timer interrupt handler.
*/
 
/** Initializes and registers timer interrupt handler. */
static void gxemul_timer_irq_init()
{
irq_initialize(&gxemul_timer_irq);
286,6 → 311,7
irq_register(&gxemul_timer_irq);
}
 
 
/** Starts timer.
*
* Initiates regular timer interrupts after initializing
297,9 → 323,10
gxemul_timer_start(GXEMUL_TIMER_FREQ);
}
 
 
/** Returns the size of emulated memory.
*
* @return size in bytes
* @return Size in bytes.
*/
size_t machine_get_memory_size(void)
{
306,6 → 333,7
return *((int*)(GXEMUL_MP + GXEMUL_MP_MEMSIZE_OFFSET));
}
 
 
void machine_debug_putc(char ch)
{
char * addr = 0;
318,6 → 346,7
*(addr) = ch;
}
 
 
/** Stops gxemul. */
void machine_cpu_halt(void)
{
331,13 → 360,14
*(addr + GXEMUL_HALT_OFFSET) = '\0';
}
 
 
/** Gxemul specific interrupt exception handler.
*
* Determines sources of the interrupt from interrupt controller and
* calls high-level handlers for them.
*
* @param exc_no interrupt exception number
* @param istate saved processor state
* @param exc_no Interrupt exception number.
* @param istate Saved processor state.
*/
void machine_irq_exception(int exc_no, istate_t *istate)
{
359,5 → 389,10
}
 
 
uintptr_t machine_get_fb_address(void)
{
return gxemul_hw_map.fb;
}
 
/** @}
*/