| 52,26 → 52,42 |
|---|
| pstate->ra,rasymbol); |
| } |
| |
| pri_t cpu_priority_high(void) |
| /** Disable interrupts. |
| * |
| * @return Old interrupt priority level. |
| */ |
| ipl_t interrupts_disable(void) |
| { |
| pri_t pri = (pri_t) cp0_status_read(); |
| cp0_status_write(pri & ~cp0_status_ie_enabled_bit); |
| return pri; |
| ipl_t ipl = (ipl_t) cp0_status_read(); |
| cp0_status_write(ipl & ~cp0_status_ie_enabled_bit); |
| return ipl; |
| } |
| |
| pri_t cpu_priority_low(void) |
| /** Enable interrupts. |
| * |
| * @return Old interrupt priority level. |
| */ |
| ipl_t interrupts_enable(void) |
| { |
| pri_t pri = (pri_t) cp0_status_read(); |
| cp0_status_write(pri | cp0_status_ie_enabled_bit); |
| return pri; |
| ipl_t ipl = (ipl_t) cp0_status_read(); |
| cp0_status_write(ipl | cp0_status_ie_enabled_bit); |
| return ipl; |
| } |
| |
| void cpu_priority_restore(pri_t pri) |
| /** Restore interrupt priority level. |
| * |
| * @param ipl Saved interrupt priority level. |
| */ |
| void interrupts_restore(ipl_t ipl) |
| { |
| cp0_status_write(cp0_status_read() | (pri & cp0_status_ie_enabled_bit)); |
| cp0_status_write(cp0_status_read() | (ipl & cp0_status_ie_enabled_bit)); |
| } |
| |
| pri_t cpu_priority_read(void) |
| /** Read interrupt priority level. |
| * |
| * @return Current interrupt priority level. |
| */ |
| ipl_t interrupts_read(void) |
| { |
| return cp0_status_read(); |
| } |