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| Rev 413 | Rev 432 | ||
|---|---|---|---|
| Line 136... | Line 136... | ||
| 136 | * Enable interrupts and return previous |
136 | * Enable interrupts and return previous |
| 137 | * value of EFLAGS. |
137 | * value of EFLAGS. |
| 138 | * |
138 | * |
| 139 | * @return Old interrupt priority level. |
139 | * @return Old interrupt priority level. |
| 140 | */ |
140 | */ |
| 141 | static inline ipl_t interrupts_enable(void) { |
141 | static inline ipl_t interrupts_enable(void) |
| - | 142 | { |
|
| 142 | ipl_t v; |
143 | ipl_t v; |
| 143 | __asm__ volatile ( |
144 | __asm__ volatile ( |
| 144 | "pushf\n\t" |
145 | "pushf\n\t" |
| 145 | "popl %0\n\t" |
146 | "popl %0\n\t" |
| 146 | "sti\n" |
147 | "sti\n" |
| Line 154... | Line 155... | ||
| 154 | * Disable interrupts and return previous |
155 | * Disable interrupts and return previous |
| 155 | * value of EFLAGS. |
156 | * value of EFLAGS. |
| 156 | * |
157 | * |
| 157 | * @return Old interrupt priority level. |
158 | * @return Old interrupt priority level. |
| 158 | */ |
159 | */ |
| 159 | static inline ipl_t interrupts_disable(void) { |
160 | static inline ipl_t interrupts_disable(void) |
| - | 161 | { |
|
| 160 | ipl_t v; |
162 | ipl_t v; |
| 161 | __asm__ volatile ( |
163 | __asm__ volatile ( |
| 162 | "pushf\n\t" |
164 | "pushf\n\t" |
| 163 | "popl %0\n\t" |
165 | "popl %0\n\t" |
| 164 | "cli\n" |
166 | "cli\n" |
| Line 171... | Line 173... | ||
| 171 | * |
173 | * |
| 172 | * Restore EFLAGS. |
174 | * Restore EFLAGS. |
| 173 | * |
175 | * |
| 174 | * @param ipl Saved interrupt priority level. |
176 | * @param ipl Saved interrupt priority level. |
| 175 | */ |
177 | */ |
| 176 | static inline void interrupts_restore(ipl_t ipl) { |
178 | static inline void interrupts_restore(ipl_t ipl) |
| - | 179 | { |
|
| 177 | __asm__ volatile ( |
180 | __asm__ volatile ( |
| 178 | "pushl %0\n\t" |
181 | "pushl %0\n\t" |
| 179 | "popf\n" |
182 | "popf\n" |
| 180 | : : "r" (ipl) |
183 | : : "r" (ipl) |
| 181 | ); |
184 | ); |
| Line 183... | Line 186... | ||
| 183 | 186 | ||
| 184 | /** Return interrupt priority level. |
187 | /** Return interrupt priority level. |
| 185 | * |
188 | * |
| 186 | * @return EFLAFS. |
189 | * @return EFLAFS. |
| 187 | */ |
190 | */ |
| 188 | static inline ipl_t interrupts_read(void) { |
191 | static inline ipl_t interrupts_read(void) |
| - | 192 | { |
|
| 189 | ipl_t v; |
193 | ipl_t v; |
| 190 | __asm__ volatile ( |
194 | __asm__ volatile ( |
| 191 | "pushf\n\t" |
195 | "pushf\n\t" |
| 192 | "popl %0\n" |
196 | "popl %0\n" |
| 193 | : "=r" (v) |
197 | : "=r" (v) |