1 /* 2 * Copyright 2008, Haiku, Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * François Revol, revol@free.fr 7 */ 8 9 10 #include <debug.h> 11 #include <driver_settings.h> 12 #include <ISA.h> 13 14 static isa_module_info *sISAModule; 15 16 17 static int 18 debugger_puts(const char *s, int32 length) 19 { 20 int i; 21 for (i = 0; i < length; i++) 22 sISAModule->write_io_8(0xe9, s[i]); 23 return i; 24 } 25 26 27 static status_t 28 std_ops(int32 op, ...) 29 { 30 void *handle; 31 bool load = true;//false; 32 33 switch (op) { 34 case B_MODULE_INIT: 35 handle = load_driver_settings("kernel"); 36 if (handle) { 37 load = get_driver_boolean_parameter(handle, 38 "bochs_debug_output", load, true); 39 unload_driver_settings(handle); 40 } 41 if (load) { 42 if (get_module(B_ISA_MODULE_NAME, (module_info **)&sISAModule) < B_OK) 43 return B_ERROR; 44 } 45 return load ? B_OK : B_ERROR; 46 case B_MODULE_UNINIT: 47 put_module(B_ISA_MODULE_NAME); 48 return B_OK; 49 } 50 return B_BAD_VALUE; 51 } 52 53 54 static struct debugger_module_info sModuleInfo = { 55 { 56 "debugger/bochs/v1", 57 0, 58 &std_ops 59 }, 60 NULL, 61 NULL, 62 debugger_puts, 63 NULL 64 }; 65 66 module_info *modules[] = { 67 (module_info *)&sModuleInfo, 68 NULL 69 }; 70 71