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| Rev 4343 | Rev 4344 | ||
|---|---|---|---|
| Line 32... | Line 32... | ||
| 32 | /** @file |
32 | /** @file |
| 33 | * @brief GXemul drivers. |
33 | * @brief GXemul drivers. |
| 34 | */ |
34 | */ |
| 35 | 35 | ||
| 36 | #include <interrupt.h> |
36 | #include <interrupt.h> |
| 37 | #include <ipc/irq.h> |
- | |
| 38 | #include <console/chardev.h> |
37 | #include <console/chardev.h> |
| 39 | #include <arch/drivers/gxemul.h> |
38 | #include <arch/drivers/gxemul.h> |
| 40 | #include <console/console.h> |
39 | #include <console/console.h> |
| 41 | #include <sysinfo/sysinfo.h> |
40 | #include <sysinfo/sysinfo.h> |
| 42 | #include <print.h> |
41 | #include <print.h> |
| Line 185... | Line 184... | ||
| 185 | * |
184 | * |
| 186 | * @param irq IRQ information. |
185 | * @param irq IRQ information. |
| 187 | */ |
186 | */ |
| 188 | static void gxemul_irq_handler(irq_t *irq) |
187 | static void gxemul_irq_handler(irq_t *irq) |
| 189 | { |
188 | { |
| 190 | if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox)) { |
- | |
| 191 | ipc_irq_send_notif(irq); |
- | |
| 192 | } else { |
- | |
| 193 | char ch = 0; |
189 | char ch = 0; |
| 194 | 190 | ||
| 195 | ch = *((char *) gxemul_hw_map.kbd); |
191 | ch = *((char *) gxemul_hw_map.kbd); |
| 196 | if (ch == '\r') { |
192 | if (ch == '\r') { |
| 197 | ch = '\n'; |
193 | ch = '\n'; |
| 198 | } |
- | |
| 199 | if (ch == 0x7f) { |
- | |
| 200 | ch = '\b'; |
- | |
| 201 | } |
- | |
| 202 | chardev_push_character(&console, ch); |
- | |
| 203 | } |
194 | } |
| - | 195 | if (ch == 0x7f) { |
|
| - | 196 | ch = '\b'; |
|
| - | 197 | } |
|
| - | 198 | chardev_push_character(&console, ch); |
|
| 204 | } |
199 | } |
| 205 | 200 | ||
| 206 | static irq_ownership_t gxemul_claim(void *instance) |
201 | static irq_ownership_t gxemul_claim(irq_t *irq) |
| 207 | { |
202 | { |
| 208 | return IRQ_ACCEPT; |
203 | return IRQ_ACCEPT; |
| 209 | } |
204 | } |
| 210 | 205 | ||
| 211 | - | ||
| 212 | /** Acquire console back for kernel. */ |
- | |
| 213 | void gxemul_grab_console(void) |
- | |
| 214 | { |
- | |
| 215 | ipl_t ipl = interrupts_disable(); |
- | |
| 216 | spinlock_lock(&gxemul_console_irq.lock); |
- | |
| 217 | gxemul_console_irq.notif_cfg.notify = false; |
- | |
| 218 | spinlock_unlock(&gxemul_console_irq.lock); |
- | |
| 219 | interrupts_restore(ipl); |
- | |
| 220 | } |
- | |
| 221 | - | ||
| 222 | /** Return console to userspace. */ |
- | |
| 223 | void gxemul_release_console(void) |
- | |
| 224 | { |
- | |
| 225 | ipl_t ipl = interrupts_disable(); |
- | |
| 226 | spinlock_lock(&gxemul_console_irq.lock); |
- | |
| 227 | if (gxemul_console_irq.notif_cfg.answerbox) { |
- | |
| 228 | gxemul_console_irq.notif_cfg.notify = true; |
- | |
| 229 | } |
- | |
| 230 | spinlock_unlock(&gxemul_console_irq.lock); |
- | |
| 231 | interrupts_restore(ipl); |
- | |
| 232 | } |
- | |
| 233 | - | ||
| 234 | /** Initializes console object representing gxemul console. |
206 | /** Initializes console object representing gxemul console. |
| 235 | * |
207 | * |
| 236 | * @param devno device number. |
208 | * @param devno device number. |
| 237 | */ |
209 | */ |
| 238 | void gxemul_console_init(devno_t devno) |
210 | void gxemul_console_init(devno_t devno) |
| Line 263... | Line 235... | ||
| 263 | static void gxemul_timer_start(uint32_t frequency) |
235 | static void gxemul_timer_start(uint32_t frequency) |
| 264 | { |
236 | { |
| 265 | *((uint32_t*) gxemul_hw_map.rtc_freq) = frequency; |
237 | *((uint32_t*) gxemul_hw_map.rtc_freq) = frequency; |
| 266 | } |
238 | } |
| 267 | 239 | ||
| 268 | static irq_ownership_t gxemul_timer_claim(void *instance) |
240 | static irq_ownership_t gxemul_timer_claim(irq_t *irq) |
| 269 | { |
241 | { |
| 270 | return IRQ_ACCEPT; |
242 | return IRQ_ACCEPT; |
| 271 | } |
243 | } |
| 272 | 244 | ||
| 273 | /** Timer interrupt handler. |
245 | /** Timer interrupt handler. |