| 608,15 → 608,59 |
|---|
| |
| #include <ipc/ipcrsc.h> |
| #include <console/klog.h> |
| #include <syscall/copy.h> |
| |
| static void debug_mem_read(call_t *call) |
| { |
| void *uspace_ptr; |
| unsigned size; |
| void *buffer; |
| int rc; |
| |
| klog_printf("debug_mem_read()"); |
| uspace_ptr = (void *)IPC_GET_ARG2(call->data); |
| size = IPC_GET_ARG3(call->data); |
| |
| buffer = malloc(size, 0); // ??? |
| klog_printf("debug_mem_read: src=%u, size=%u", uspace_ptr, size); |
| |
| /* NOTE: this is not strictly from a syscall... but that shouldn't |
| * be a problem */ |
| rc = copy_from_uspace(buffer, uspace_ptr, size); |
| if (rc) { |
| IPC_SET_RETVAL(call->data, rc); |
| return; |
| } |
| |
| klog_printf("first word: %u", *((unative_t *)buffer)); |
| |
| IPC_SET_RETVAL(call->data, 0); |
| /* Hack: ARG1=dest, ARG2=size as in IPC_M_DATA_READ so that |
| same code in process_answer() can be used |
| (no way to distinguish method in answer) */ |
| IPC_SET_ARG2(call->data, size); |
| call->buffer = buffer; |
| |
| ipc_answer(&TASK->kernel_box, call); |
| } |
| |
| static void kbox_thread_proc(void *arg) |
| { |
| call_t *call; |
| int method; |
| |
| (void)arg; |
| klog_printf("kbox_thread_proc()"); |
| while (1) { |
| klog_printf("kbox: wait for call"); |
| ipc_wait_for_call(&TASK->kernel_box, SYNCH_NO_TIMEOUT, |
| call = ipc_wait_for_call(&TASK->kernel_box, SYNCH_NO_TIMEOUT, |
| SYNCH_FLAGS_NONE); |
| if (call != NULL) { |
| method = IPC_GET_METHOD(call->data); |
| if (method == IPC_M_DEBUG_MEM_READ) { |
| debug_mem_read(call); |
| } |
| } |
| } |
| } |
| |