gem5  v20.1.0.0
types.cc
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37 
38 #include "dev/ps2/types.hh"
39 
40 #include <list>
41 
42 #include "base/logging.hh"
43 #include "x11keysym/keysym.h"
44 
45 const std::vector<uint8_t> Ps2::Keyboard::ID{0xAB, 0x83};
46 const std::vector<uint8_t> Ps2::Mouse::ID{0x00};
47 
48 namespace Ps2 {
49 
57 static const uint16_t keySymToPs2Byte[128] = {
58 // 0 / 8 1 / 9 2 / A 3 / B 4 / C 5 / D 6 / E 7 / F
59  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x00-0x07
60  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x08-0x0f
61  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x10-0x17
62  0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // 0x18-0x1f
63  0x0029, 0x0116, 0x0152, 0x0126, 0x0125, 0x012e, 0x013d, 0x0052, // 0x20-0x27
64  0x0146, 0x0145, 0x013e, 0x0155, 0x0041, 0x004e, 0x0049, 0x004a, // 0x28-0x2f
65  0x0045, 0x0016, 0x001e, 0x0026, 0x0025, 0x002e, 0x0036, 0x003d, // 0x30-0x37
66  0x003e, 0x0046, 0x014c, 0x004c, 0x0141, 0x0055, 0x0149, 0x014a, // 0x38-0x3f
67  0x011e, 0x011c, 0x0132, 0x0121, 0x0123, 0x0124, 0x012b, 0x0134, // 0x40-0x47
68  0x0133, 0x0143, 0x013b, 0x0142, 0x014b, 0x013a, 0x0131, 0x0144, // 0x48-0x4f
69  0x014d, 0x0115, 0x012d, 0x011b, 0x012c, 0x013c, 0x012a, 0x011d, // 0x50-0x57
70  0x0122, 0x0135, 0x011a, 0x0054, 0x005d, 0x005b, 0x0136, 0x014e, // 0x58-0x5f
71  0x000e, 0x001c, 0x0032, 0x0021, 0x0023, 0x0024, 0x002b, 0x0034, // 0x60-0x67
72  0x0033, 0x0043, 0x003b, 0x0042, 0x004b, 0x003a, 0x0031, 0x0044, // 0x68-0x6f
73  0x004d, 0x0015, 0x002d, 0x001b, 0x002c, 0x003c, 0x002a, 0x001d, // 0x70-0x77
74  0x0022, 0x0035, 0x001a, 0x0154, 0x015d, 0x015b, 0x010e, 0x0000 // 0x78-0x7f
75 };
76 
77 const uint8_t ShiftKey = 0x12;
78 const uint8_t BreakKey = 0xf0;
79 const uint8_t ExtendedKey = 0xe0;
80 const uint32_t UpperKeys = 0xff00;
81 
82 void
83 keySymToPs2(uint32_t key, bool down, bool &cur_shift,
84  std::list<uint8_t> &keys)
85 {
86  if (key <= XK_asciitilde) {
87  uint16_t tmp = keySymToPs2Byte[key];
88  uint8_t code = tmp & 0xff;
89  bool shift = tmp >> 8;
90 
91  if (down) {
92  if (!cur_shift && shift) {
93  keys.push_back(ShiftKey);
94  cur_shift = true;
95  }
96  keys.push_back(code);
97  } else {
98  if (cur_shift && !shift) {
99  keys.push_back(BreakKey);
100  keys.push_back(ShiftKey);
101  cur_shift = false;
102  }
103  keys.push_back(BreakKey);
104  keys.push_back(code);
105  }
106  } else {
107  if ((key & UpperKeys) == UpperKeys) {
108  bool extended = false;
109  switch (key) {
110  case XK_BackSpace:
111  keys.push_back(0x66);
112  break;
113  case XK_Tab:
114  keys.push_back(0x0d);
115  break;
116  case XK_Return:
117  keys.push_back(0x5a);
118  break;
119  case XK_Escape:
120  keys.push_back(0x76);
121  break;
122  case XK_Delete:
123  extended = true;
124  keys.push_back(0x71);
125  break;
126  case XK_Home:
127  extended = true;
128  keys.push_back(0x6c);
129  break;
130  case XK_Left:
131  extended = true;
132  keys.push_back(0x6b);
133  break;
134  case XK_Right:
135  extended = true;
136  keys.push_back(0x74);
137  break;
138  case XK_Down:
139  extended = true;
140  keys.push_back(0x72);
141  break;
142  case XK_Up:
143  extended = true;
144  keys.push_back(0x75);
145  break;
146  case XK_Page_Up:
147  extended = true;
148  keys.push_back(0x7d);
149  break;
150  case XK_Page_Down:
151  extended = true;
152  keys.push_back(0x7a);
153  break;
154  case XK_End:
155  extended = true;
156  keys.push_back(0x69);
157  break;
158  case XK_Shift_L:
159  keys.push_back(0x12);
160  if (down)
161  cur_shift = true;
162  else
163  cur_shift = false;
164  break;
165  case XK_Shift_R:
166  keys.push_back(0x59);
167  if (down)
168  cur_shift = true;
169  else
170  cur_shift = false;
171  break;
172  case XK_Control_L:
173  keys.push_back(0x14);
174  break;
175  case XK_Control_R:
176  extended = true;
177  keys.push_back(0x14);
178  break;
179  case XK_Alt_L:
180  keys.push_back(0x11);
181  break;
182  case XK_Alt_R:
183  extended = true;
184  keys.push_back(0x11);
185  break;
186  default:
187  warn("Unknown extended key %#x\n", key);
188  return;
189  }
190 
191  if (extended) {
192  if (down) {
193  keys.push_front(ExtendedKey);
194  } else {
195  keys.push_front(BreakKey);
196  keys.push_front(ExtendedKey);
197  }
198  } else {
199  if (!down)
200  keys.push_front(BreakKey);
201  }
202  } // upper keys
203  } // extended keys
204  return;
205 }
206 
207 } /* namespace Ps2 */
208 
Ps2::keySymToPs2Byte
static const uint16_t keySymToPs2Byte[128]
Table to convert simple key symbols (0x00XX) into ps2 bytes.
Definition: types.cc:57
warn
#define warn(...)
Definition: logging.hh:239
types.hh
Ps2::BreakKey
const uint8_t BreakKey
Definition: types.cc:78
std::vector< uint8_t >
ArmISA::shift
Bitfield< 6, 5 > shift
Definition: types.hh:126
Ps2
Definition: types.cc:48
Ps2::keySymToPs2
void keySymToPs2(uint32_t key, bool down, bool &cur_shift, std::list< uint8_t > &keys)
Definition: types.cc:83
Ps2::UpperKeys
const uint32_t UpperKeys
Definition: types.cc:80
Ps2::cur_shift
bool bool & cur_shift
Definition: types.hh:123
Ps2::Keyboard::ID
const std::vector< uint8_t > ID
Definition: types.cc:45
Ps2::down
bool down
Definition: types.hh:123
Ps2::ShiftKey
const uint8_t ShiftKey
Definition: types.cc:77
Ps2::ExtendedKey
const uint8_t ExtendedKey
Definition: types.cc:79
logging.hh
std::list
STL list class.
Definition: stl.hh:51
Ps2::Mouse::ID
const std::vector< uint8_t > ID
Definition: types.cc:46
Ps2::keys
bool bool std::list< uint8_t > & keys
Definition: types.hh:124
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