Rev 1708 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1708 | Rev 1780 | ||
|---|---|---|---|
| Line 60... | Line 60... | ||
| 60 | * |
60 | * |
| 61 | * @return 0 on success, EPERM if the caller lacks capabilities to use this syscall, |
61 | * @return 0 on success, EPERM if the caller lacks capabilities to use this syscall, |
| 62 | * ENOENT if there is no task matching the specified ID and ENOMEM if |
62 | * ENOENT if there is no task matching the specified ID and ENOMEM if |
| 63 | * there was a problem in creating address space area. |
63 | * there was a problem in creating address space area. |
| 64 | */ |
64 | */ |
| 65 | static int ddi_physmem_map(__address pf, __address vp, count_t pages, int flags) |
65 | static int ddi_physmem_map(uintptr_t pf, uintptr_t vp, count_t pages, int flags) |
| 66 | { |
66 | { |
| 67 | ipl_t ipl; |
67 | ipl_t ipl; |
| 68 | cap_t caps; |
68 | cap_t caps; |
| 69 | mem_backend_data_t backend_data; |
69 | mem_backend_data_t backend_data; |
| 70 | 70 | ||
| Line 108... | Line 108... | ||
| 108 | * @param size Size of the enabled I/O space.. |
108 | * @param size Size of the enabled I/O space.. |
| 109 | * |
109 | * |
| 110 | * @return 0 on success, EPERM if the caller lacks capabilities to use this syscall, |
110 | * @return 0 on success, EPERM if the caller lacks capabilities to use this syscall, |
| 111 | * ENOENT if there is no task matching the specified ID. |
111 | * ENOENT if there is no task matching the specified ID. |
| 112 | */ |
112 | */ |
| 113 | static int ddi_iospace_enable(task_id_t id, __address ioaddr, size_t size) |
113 | static int ddi_iospace_enable(task_id_t id, uintptr_t ioaddr, size_t size) |
| 114 | { |
114 | { |
| 115 | ipl_t ipl; |
115 | ipl_t ipl; |
| 116 | cap_t caps; |
116 | cap_t caps; |
| 117 | task_t *t; |
117 | task_t *t; |
| 118 | int rc; |
118 | int rc; |
| Line 156... | Line 156... | ||
| 156 | * @param pages Number of pages |
156 | * @param pages Number of pages |
| 157 | * @param flags Flags of newly mapped pages |
157 | * @param flags Flags of newly mapped pages |
| 158 | * |
158 | * |
| 159 | * @return 0 on success, otherwise it returns error code found in errno.h |
159 | * @return 0 on success, otherwise it returns error code found in errno.h |
| 160 | */ |
160 | */ |
| 161 | __native sys_physmem_map(__native phys_base, __native virt_base, __native pages, |
161 | unative_t sys_physmem_map(unative_t phys_base, unative_t virt_base, unative_t pages, |
| 162 | __native flags) |
162 | unative_t flags) |
| 163 | { |
163 | { |
| 164 | return (__native) ddi_physmem_map(ALIGN_DOWN((__address) phys_base, FRAME_SIZE), |
164 | return (unative_t) ddi_physmem_map(ALIGN_DOWN((uintptr_t) phys_base, FRAME_SIZE), |
| 165 | ALIGN_DOWN((__address) virt_base, PAGE_SIZE), (count_t) pages, |
165 | ALIGN_DOWN((uintptr_t) virt_base, PAGE_SIZE), (count_t) pages, |
| 166 | (int) flags); |
166 | (int) flags); |
| 167 | } |
167 | } |
| 168 | 168 | ||
| 169 | /** Wrapper for SYS_ENABLE_IOSPACE syscall. |
169 | /** Wrapper for SYS_ENABLE_IOSPACE syscall. |
| 170 | * |
170 | * |
| 171 | * @param uspace_io_arg User space address of DDI argument structure. |
171 | * @param uspace_io_arg User space address of DDI argument structure. |
| 172 | * |
172 | * |
| 173 | * @return 0 on success, otherwise it returns error code found in errno.h |
173 | * @return 0 on success, otherwise it returns error code found in errno.h |
| 174 | */ |
174 | */ |
| 175 | __native sys_iospace_enable(ddi_ioarg_t *uspace_io_arg) |
175 | unative_t sys_iospace_enable(ddi_ioarg_t *uspace_io_arg) |
| 176 | { |
176 | { |
| 177 | ddi_ioarg_t arg; |
177 | ddi_ioarg_t arg; |
| 178 | int rc; |
178 | int rc; |
| 179 | 179 | ||
| 180 | rc = copy_from_uspace(&arg, uspace_io_arg, sizeof(ddi_ioarg_t)); |
180 | rc = copy_from_uspace(&arg, uspace_io_arg, sizeof(ddi_ioarg_t)); |
| 181 | if (rc != 0) |
181 | if (rc != 0) |
| 182 | return (__native) rc; |
182 | return (unative_t) rc; |
| 183 | 183 | ||
| 184 | return (__native) ddi_iospace_enable((task_id_t) arg.task_id, (__address) arg.ioaddr, (size_t) arg.size); |
184 | return (unative_t) ddi_iospace_enable((task_id_t) arg.task_id, (uintptr_t) arg.ioaddr, (size_t) arg.size); |
| 185 | } |
185 | } |
| 186 | 186 | ||
| 187 | /** Disable or enable preemption. |
187 | /** Disable or enable preemption. |
| 188 | * |
188 | * |
| 189 | * @param enable If non-zero, the preemption counter will be decremented, leading to potential |
189 | * @param enable If non-zero, the preemption counter will be decremented, leading to potential |
| 190 | * enabling of preemption. Otherwise the preemption counter will be incremented, |
190 | * enabling of preemption. Otherwise the preemption counter will be incremented, |
| 191 | * preventing preemption from occurring. |
191 | * preventing preemption from occurring. |
| 192 | * |
192 | * |
| 193 | * @return Zero on success or EPERM if callers capabilities are not sufficient. |
193 | * @return Zero on success or EPERM if callers capabilities are not sufficient. |
| 194 | */ |
194 | */ |
| 195 | __native sys_preempt_control(int enable) |
195 | unative_t sys_preempt_control(int enable) |
| 196 | { |
196 | { |
| 197 | if (! cap_get(TASK) & CAP_PREEMPT_CONTROL) |
197 | if (! cap_get(TASK) & CAP_PREEMPT_CONTROL) |
| 198 | return EPERM; |
198 | return EPERM; |
| 199 | if (enable) |
199 | if (enable) |
| 200 | preemption_enable(); |
200 | preemption_enable(); |