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Line 40... | Line 40... | ||
40 | #include <proc/task.h> |
40 | #include <proc/task.h> |
41 | #include <proc/program.h> |
41 | #include <proc/program.h> |
42 | #include <mm/as.h> |
42 | #include <mm/as.h> |
43 | #include <print.h> |
43 | #include <print.h> |
44 | #include <putchar.h> |
44 | #include <putchar.h> |
45 | #include <errno.h> |
- | |
46 | #include <arch.h> |
45 | #include <arch.h> |
47 | #include <debug.h> |
46 | #include <debug.h> |
- | 47 | #include <ddi/device.h> |
|
48 | #include <ipc/sysipc.h> |
48 | #include <ipc/sysipc.h> |
49 | #include <synch/futex.h> |
49 | #include <synch/futex.h> |
50 | #include <synch/smc.h> |
50 | #include <synch/smc.h> |
51 | #include <ddi/ddi.h> |
51 | #include <ddi/ddi.h> |
52 | #include <security/cap.h> |
52 | #include <security/cap.h> |
53 | #include <syscall/copy.h> |
- | |
54 | #include <sysinfo/sysinfo.h> |
53 | #include <sysinfo/sysinfo.h> |
55 | #include <console/console.h> |
54 | #include <console/console.h> |
56 | #include <udebug/udebug.h> |
55 | #include <udebug/udebug.h> |
57 | 56 | ||
58 | /** Print using kernel facility |
- | |
59 | * |
- | |
60 | * Print to kernel log. |
- | |
61 | * |
- | |
62 | */ |
- | |
63 | static unative_t sys_klog(int fd, const void * buf, size_t count) |
- | |
64 | { |
- | |
65 | char *data; |
- | |
66 | int rc; |
- | |
67 | - | ||
68 | if (count > PAGE_SIZE) |
- | |
69 | return ELIMIT; |
- | |
70 | - | ||
71 | if (count > 0) { |
- | |
72 | data = (char *) malloc(count + 1, 0); |
- | |
73 | if (!data) |
- | |
74 | return ENOMEM; |
- | |
75 | - | ||
76 | rc = copy_from_uspace(data, buf, count); |
- | |
77 | if (rc) { |
- | |
78 | free(data); |
- | |
79 | return rc; |
- | |
80 | } |
- | |
81 | data[count] = 0; |
- | |
82 | - | ||
83 | printf("%s", data); |
- | |
84 | free(data); |
- | |
85 | } else |
- | |
86 | klog_update(); |
- | |
87 | - | ||
88 | return count; |
- | |
89 | } |
- | |
90 | - | ||
91 | /** Tell kernel to get keyboard/console access again */ |
- | |
92 | static unative_t sys_debug_enable_console(void) |
- | |
93 | { |
- | |
94 | #ifdef CONFIG_KCONSOLE |
- | |
95 | grab_console(); |
- | |
96 | return true; |
- | |
97 | #else |
- | |
98 | return false; |
- | |
99 | #endif |
- | |
100 | } |
- | |
101 | - | ||
102 | /** Tell kernel to relinquish keyboard/console access */ |
- | |
103 | static unative_t sys_debug_disable_console(void) |
- | |
104 | { |
- | |
105 | release_console(); |
- | |
106 | return true; |
- | |
107 | } |
- | |
108 | - | ||
109 | /** Dispatch system call */ |
57 | /** Dispatch system call */ |
110 | unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3, |
58 | unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3, |
111 | unative_t a4, unative_t a5, unative_t a6, unative_t id) |
59 | unative_t a4, unative_t a5, unative_t a6, unative_t id) |
112 | { |
60 | { |
113 | unative_t rc; |
61 | unative_t rc; |
114 | 62 | ||
115 | #ifdef CONFIG_UDEBUG |
63 | #ifdef CONFIG_UDEBUG |
116 | udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false); |
64 | udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false); |
117 | #endif |
65 | #endif |
- | 66 | ||
118 | if (id < SYSCALL_END) { |
67 | if (id < SYSCALL_END) { |
119 | rc = syscall_table[id](a1, a2, a3, a4, a5, a6); |
68 | rc = syscall_table[id](a1, a2, a3, a4, a5, a6); |
120 | } else { |
69 | } else { |
121 | printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id); |
70 | printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id); |
122 | task_kill(TASK->taskid); |
71 | task_kill(TASK->taskid); |
Line 134... | Line 83... | ||
134 | * system calls. |
83 | * system calls. |
135 | */ |
84 | */ |
136 | udebug_stoppable_begin(); |
85 | udebug_stoppable_begin(); |
137 | udebug_stoppable_end(); |
86 | udebug_stoppable_end(); |
138 | #endif |
87 | #endif |
- | 88 | ||
139 | return rc; |
89 | return rc; |
140 | } |
90 | } |
141 | 91 | ||
142 | syshandler_t syscall_table[SYSCALL_END] = { |
92 | syshandler_t syscall_table[SYSCALL_END] = { |
143 | (syshandler_t) sys_klog, |
93 | (syshandler_t) sys_klog, |
Line 180... | Line 130... | ||
180 | /* Capabilities related syscalls. */ |
130 | /* Capabilities related syscalls. */ |
181 | (syshandler_t) sys_cap_grant, |
131 | (syshandler_t) sys_cap_grant, |
182 | (syshandler_t) sys_cap_revoke, |
132 | (syshandler_t) sys_cap_revoke, |
183 | 133 | ||
184 | /* DDI related syscalls. */ |
134 | /* DDI related syscalls. */ |
- | 135 | (syshandler_t) sys_device_assign_devno, |
|
185 | (syshandler_t) sys_physmem_map, |
136 | (syshandler_t) sys_physmem_map, |
186 | (syshandler_t) sys_iospace_enable, |
137 | (syshandler_t) sys_iospace_enable, |
187 | (syshandler_t) sys_preempt_control, |
138 | (syshandler_t) sys_preempt_control, |
188 | 139 | ||
189 | /* Sysinfo syscalls */ |
140 | /* Sysinfo syscalls */ |