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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
7 | 7 | ||
8 | format MS COFF |
- | |
9 | - | ||
10 | DEBUG equ 1 |
- | |
11 | 8 | format PE DLL native 0.05 |
|
12 | include 'proc32.inc' |
- | |
13 | include 'imports.inc' |
- | |
- | 9 | entry START |
|
- | 10 | ||
14 | 11 | __DEBUG__ equ 1 |
|
15 | 12 | __DEBUG_LEVEL__ equ 1 ; 1 = verbose, 2 = errors only |
|
16 | 13 | ||
17 | API_VERSION equ 0 |
14 | API_VERSION equ 0 |
18 | UART_VERSION equ API_VERSION |
15 | UART_VERSION equ API_VERSION |
19 | 16 | ||
20 | PG_SW equ 0x003 |
17 | PG_SW equ 0x003 |
21 | page_tabs equ 0xFDC00000 ;hack |
18 | page_tabs equ 0xFDC00000 ;hack |
22 | 19 | ||
23 | OS_BASE equ 0x80000000 |
20 | OS_BASE equ 0x80000000 |
24 | SLOT_BASE equ (OS_BASE+0x0080000) |
21 | SLOT_BASE equ (OS_BASE+0x0080000) |
25 | TASK_COUNT equ (OS_BASE+0x0003004) |
22 | TASK_COUNT equ (OS_BASE+0x0003004) |
26 | CURRENT_TASK equ (OS_BASE+0x0003000) |
23 | CURRENT_TASK equ (OS_BASE+0x0003000) |
27 | 24 | ||
- | 25 | ||
- | 26 | section '.flat' readable writable executable |
|
- | 27 | ||
- | 28 | include 'proc32.inc' |
|
- | 29 | include 'struct.inc' |
|
- | 30 | include 'macros.inc' |
|
- | 31 | include 'fdo.inc' |
|
- | 32 | include 'peimport.inc' |
|
- | 33 | ||
28 | 34 | ||
29 | struc APPOBJ ;common object header |
35 | struc APPOBJ ;common object header |
30 | { |
36 | { |
31 | .magic dd ? ; |
37 | .magic dd ? ; |
32 | .destroy dd ? ;internal destructor |
38 | .destroy dd ? ;internal destructor |
33 | .fd dd ? ;next object in list |
39 | .fd dd ? ;next object in list |
34 | .bk dd ? ;prev object in list |
40 | .bk dd ? ;prev object in list |
35 | .pid dd ? ;owner id |
41 | .pid dd ? ;owner id |
36 | }; |
- | |
37 | - | ||
38 | virtual at 0 |
- | |
39 | APPOBJ APPOBJ |
- | |
40 | end virtual |
- | |
41 | - | ||
42 | struc IOCTL |
- | |
43 | { .handle dd ? |
- | |
44 | .io_code dd ? |
- | |
45 | .input dd ? |
- | |
46 | .inp_size dd ? |
- | |
47 | .output dd ? |
- | |
48 | .out_size dd ? |
- | |
49 | } |
42 | } |
50 | 43 | ||
51 | virtual at 0 |
44 | virtual at 0 |
52 | IOCTL IOCTL |
45 | APPOBJ APPOBJ |
53 | end virtual |
46 | end virtual |
54 | - | ||
55 | DEBUG equ 1 |
- | |
56 | - | ||
57 | DRV_ENTRY equ 1 |
- | |
58 | DRV_EXIT equ -1 |
- | |
59 | 47 | ||
60 | THR_REG equ 0; x3f8 ;transtitter/reciever |
48 | THR_REG equ 0; x3f8 ;transtitter/reciever |
61 | IER_REG equ 1; x3f9 ;interrupt enable |
49 | IER_REG equ 1; x3f9 ;interrupt enable |
62 | IIR_REG equ 2; x3fA ;interrupt info |
50 | IIR_REG equ 2; x3fA ;interrupt info |
63 | LCR_REG equ 3; x3FB ;line control |
51 | LCR_REG equ 3; x3FB ;line control |
64 | MCR_REG equ 4; x3FC ;modem control |
52 | MCR_REG equ 4; x3FC ;modem control |
65 | LSR_REG equ 5; x3FD ;line status |
53 | LSR_REG equ 5; x3FD ;line status |
66 | MSR_REG equ 6; x3FE ;modem status |
54 | MSR_REG equ 6; x3FE ;modem status |
67 | 55 | ||
68 | LCR_5BIT equ 0x00 |
56 | LCR_5BIT equ 0x00 |
69 | LCR_6BIT equ 0x01 |
57 | LCR_6BIT equ 0x01 |
70 | LCR_7BIT equ 0x02 |
58 | LCR_7BIT equ 0x02 |
71 | LCR_8BIT equ 0x03 |
59 | LCR_8BIT equ 0x03 |
72 | LCR_STOP_1 equ 0x00 |
60 | LCR_STOP_1 equ 0x00 |
73 | LCR_STOP_2 equ 0x04 |
61 | LCR_STOP_2 equ 0x04 |
74 | LCR_PARITY equ 0x08 |
62 | LCR_PARITY equ 0x08 |
75 | LCR_EVEN equ 0x10 |
63 | LCR_EVEN equ 0x10 |
76 | LCR_STICK equ 0x20 |
64 | LCR_STICK equ 0x20 |
77 | LCR_BREAK equ 0x40 |
65 | LCR_BREAK equ 0x40 |
78 | LCR_DLAB equ 0x80 |
66 | LCR_DLAB equ 0x80 |
79 | 67 | ||
80 | LSR_DR equ 0x01 ;data ready |
68 | LSR_DR equ 0x01 ;data ready |
81 | LSR_OE equ 0x02 ;overrun error |
69 | LSR_OE equ 0x02 ;overrun error |
82 | LSR_PE equ 0x04 ;parity error |
70 | LSR_PE equ 0x04 ;parity error |
83 | LSR_FE equ 0x08 ;framing error |
71 | LSR_FE equ 0x08 ;framing error |
84 | LSR_BI equ 0x10 ;break interrupt |
72 | LSR_BI equ 0x10 ;break interrupt |
85 | LSR_THRE equ 0x20 ;transmitter holding empty |
73 | LSR_THRE equ 0x20 ;transmitter holding empty |
86 | LSR_TEMT equ 0x40 ;transmitter empty |
74 | LSR_TEMT equ 0x40 ;transmitter empty |
87 | LSR_FER equ 0x80 ;FIFO error |
75 | LSR_FER equ 0x80 ;FIFO error |
88 | 76 | ||
89 | FCR_EFIFO equ 0x01 ;enable FIFO |
77 | FCR_EFIFO equ 0x01 ;enable FIFO |
90 | FCR_CRB equ 0x02 ;clear reciever FIFO |
78 | FCR_CRB equ 0x02 ;clear reciever FIFO |
91 | FCR_CXMIT equ 0x04 ;clear transmitter FIFO |
79 | FCR_CXMIT equ 0x04 ;clear transmitter FIFO |
92 | FCR_RDY equ 0x08 ;set RXRDY and TXRDY pins |
80 | FCR_RDY equ 0x08 ;set RXRDY and TXRDY pins |
93 | FCR_FIFO_1 equ 0x00 ;1 byte trigger |
81 | FCR_FIFO_1 equ 0x00 ;1 byte trigger |
94 | FCR_FIFO_4 equ 0x40 ;4 bytes trigger |
82 | FCR_FIFO_4 equ 0x40 ;4 bytes trigger |
95 | FCR_FIFO_8 equ 0x80 ;8 bytes trigger |
83 | FCR_FIFO_8 equ 0x80 ;8 bytes trigger |
96 | FCR_FIFO_14 equ 0xC0 ;14 bytes trigger |
84 | FCR_FIFO_14 equ 0xC0 ;14 bytes trigger |
97 | 85 | ||
98 | IIR_INTR equ 0x01 ;1= no interrupts |
86 | IIR_INTR equ 0x01 ;1= no interrupts |
99 | 87 | ||
100 | IER_RDAI equ 0x01 ;reciever data interrupt |
88 | IER_RDAI equ 0x01 ;reciever data interrupt |
101 | IER_THRI equ 0x02 ;transmitter empty interrupt |
89 | IER_THRI equ 0x02 ;transmitter empty interrupt |
102 | IER_LSI equ 0x04 ;line status interrupt |
90 | IER_LSI equ 0x04 ;line status interrupt |
103 | IER_MSI equ 0x08 ;modem status interrupt |
91 | IER_MSI equ 0x08 ;modem status interrupt |
104 | 92 | ||
105 | MCR_DTR equ 0x01 ;0-> DTR=1, 1-> DTR=0 |
93 | MCR_DTR equ 0x01 ;0-> DTR=1, 1-> DTR=0 |
106 | MCR_RTS equ 0x02 ;0-> RTS=1, 1-> RTS=0 |
94 | MCR_RTS equ 0x02 ;0-> RTS=1, 1-> RTS=0 |
107 | MCR_OUT_1 equ 0x04 ;0-> OUT1=1, 1-> OUT1=0 |
95 | MCR_OUT_1 equ 0x04 ;0-> OUT1=1, 1-> OUT1=0 |
108 | MCR_OUT_2 equ 0x08 ;0-> OUT2=1, 1-> OUT2=0; enable intr |
96 | MCR_OUT_2 equ 0x08 ;0-> OUT2=1, 1-> OUT2=0; enable intr |
109 | MCR_LOOP equ 0x10 ;lopback mode |
97 | MCR_LOOP equ 0x10 ;loopback mode |
110 | 98 | ||
111 | MSR_DCTS equ 0x01 ;delta clear to send |
99 | MSR_DCTS equ 0x01 ;delta clear to send |
112 | MSR_DDSR equ 0x02 ;delta data set redy |
100 | MSR_DDSR equ 0x02 ;delta data set redy |
113 | MSR_TERI equ 0x04 ;trailinh edge of ring |
101 | MSR_TERI equ 0x04 ;trailinh edge of ring |
114 | MSR_DDCD equ 0x08 ;delta carrier detect |
102 | MSR_DDCD equ 0x08 ;delta carrier detect |
115 | 103 | ||
116 | 104 | ||
117 | RATE_50 equ 0 |
105 | RATE_50 equ 0 |
118 | RATE_75 equ 1 |
106 | RATE_75 equ 1 |
119 | RATE_110 equ 2 |
107 | RATE_110 equ 2 |
120 | RATE_134 equ 3 |
108 | RATE_134 equ 3 |
121 | RATE_150 equ 4 |
109 | RATE_150 equ 4 |
122 | RATE_300 equ 5 |
110 | RATE_300 equ 5 |
123 | RATE_600 equ 6 |
111 | RATE_600 equ 6 |
124 | RATE_1200 equ 7 |
112 | RATE_1200 equ 7 |
125 | RATE_1800 equ 8 |
113 | RATE_1800 equ 8 |
126 | RATE_2000 equ 9 |
114 | RATE_2000 equ 9 |
127 | RATE_2400 equ 10 |
115 | RATE_2400 equ 10 |
128 | RATE_3600 equ 11 |
116 | RATE_3600 equ 11 |
129 | RATE_4800 equ 12 |
117 | RATE_4800 equ 12 |
130 | RATE_7200 equ 13 |
118 | RATE_7200 equ 13 |
131 | RATE_9600 equ 14 |
119 | RATE_9600 equ 14 |
132 | RATE_19200 equ 15 |
120 | RATE_19200 equ 15 |
133 | RATE_38400 equ 16 |
121 | RATE_38400 equ 16 |
134 | RATE_57600 equ 17 |
122 | RATE_57600 equ 17 |
135 | RATE_115200 equ 18 |
123 | RATE_115200 equ 18 |
136 | 124 | ||
137 | COM_1 equ 1 |
125 | COM_1 equ 1 |
138 | COM_2 equ 2 |
126 | COM_2 equ 2 |
139 | COM_3 equ 3 |
127 | COM_3 equ 3 |
140 | COM_4 equ 4 |
128 | COM_4 equ 4 |
141 | COM_MAX equ 2 ;only two port supported |
129 | COM_MAX equ 2 ;only two port supported |
142 | 130 | ||
143 | COM_1_BASE equ 0x3F8 |
131 | COM_1_BASE equ 0x3F8 |
144 | COM_2_BASE equ 0x2F8 |
132 | COM_2_BASE equ 0x2F8 |
145 | 133 | ||
146 | COM_1_IRQ equ 4 |
134 | COM_1_IRQ equ 4 |
147 | COM_2_IRQ equ 3 |
135 | COM_2_IRQ equ 3 |
148 | 136 | ||
149 | UART_CLOSED equ 0 |
137 | UART_CLOSED equ 0 |
150 | UART_TRANSMIT equ 1 |
138 | UART_TRANSMIT equ 1 |
151 | UART_STOP equ 2 |
139 | UART_STOP equ 2 |
152 | 140 | ||
153 | struc UART |
141 | struc UART |
154 | { |
142 | { |
155 | .lock dd ? |
143 | .lock dd ? |
156 | .base dd ? |
144 | .base dd ? |
157 | .lcr_reg dd ? |
145 | .lcr_reg dd ? |
158 | .mcr_reg dd ? |
146 | .mcr_reg dd ? |
159 | .rate dd ? |
147 | .rate dd ? |
160 | .mode dd ? |
148 | .mode dd ? |
161 | .state dd ? |
149 | .state dd ? |
162 | 150 | ||
163 | .rcvr_buff dd ? |
151 | .rcvr_buff dd ? |
164 | .rcvr_rp dd ? |
152 | .rcvr_rp dd ? |
165 | .rcvr_wp dd ? |
153 | .rcvr_wp dd ? |
166 | .rcvr_count dd ? |
154 | .rcvr_count dd ? |
167 | .rcvr_top dd ? |
155 | .rcvr_top dd ? |
168 | 156 | ||
169 | .xmit_buff dd ? |
157 | .xmit_buff dd ? |
170 | .xmit_rp dd ? |
158 | .xmit_rp dd ? |
171 | .xmit_wp dd ? |
159 | .xmit_wp dd ? |
172 | .xmit_count dd ? |
160 | .xmit_count dd ? |
173 | .xmit_free dd ? |
161 | .xmit_free dd ? |
174 | .xmit_top dd ? |
162 | .xmit_top dd ? |
175 | } |
163 | } |
- | 164 | ||
176 | virtual at 0 |
165 | virtual at 0 |
177 | UART UART |
166 | UART UART |
178 | end virtual |
167 | end virtual |
179 | 168 | ||
180 | UART_SIZE equ 18*4 |
169 | UART_SIZE equ 18*4 |
181 | 170 | ||
182 | struc CONNECTION |
171 | struc CONNECTION |
183 | { |
172 | { |
184 | .magic dd ? ;'CNCT' |
173 | .magic dd ? ;'CNCT' |
185 | .destroy dd ? ;internal destructor |
174 | .destroy dd ? ;internal destructor |
186 | .fd dd ? ;next object in list |
175 | .fd dd ? ;next object in list |
187 | .bk dd ? ;prev object in list |
176 | .bk dd ? ;prev object in list |
188 | .pid dd ? ;owner id |
177 | .pid dd ? ;owner id |
189 | 178 | ||
190 | .id dd ? ;reserved |
179 | .id dd ? ;reserved |
191 | .uart dd ? ;uart pointer |
180 | .uart dd ? ;uart pointer |
192 | } |
181 | } |
193 | 182 | ||
194 | virtual at 0 |
183 | virtual at 0 |
195 | CONNECTION CONNECTION |
184 | CONNECTION CONNECTION |
196 | end virtual |
185 | end virtual |
197 | 186 | ||
198 | CONNECTION_SIZE equ 7*4 |
187 | CONNECTION_SIZE equ 7*4 |
199 | - | ||
200 | public START |
- | |
201 | public service_proc |
- | |
- | 188 | ||
202 | public version |
189 | |
- | 190 | ;proc START c, state:dword |
|
203 | 191 | ; cmp [state], 1 |
|
- | 192 | ||
- | 193 | align 4 |
|
204 | section '.flat' code readable align 16 |
194 | proc START c, state:dword |
205 | 195 | DEBUGF 1, "Loading driver UART (entry at %x)...\n", START |
|
- | 196 | ||
- | 197 | push esi ; [bw] ??? |
|
- | 198 | cmp [state], DRV_ENTRY |
|
206 | proc START stdcall, state:dword |
199 | jne .stop |
207 | 200 | ||
- | 201 | mov esi, msg_start |
|
- | 202 | invoke SysMsgBoardStr |
|
- | 203 | ||
208 | cmp [state], 1 |
204 | mov eax, UART_SIZE |
209 | jne .stop |
205 | invoke Kmalloc |
210 | 206 | ; invoke Kmalloc, UART_SIZE (1) -- failure |
|
211 | mov eax, UART_SIZE |
207 | ; invoke Kmalloc, UART_SIZE (2) -- success |
212 | call Kmalloc |
208 | ; DEBUGF 1,"[UART.START] Kmalloc: UART_SIZE=%d eax=%d\n", UART_SIZE, eax |
213 | test eax, eax |
209 | test eax, eax |
214 | jz .fail |
210 | jz .fail |
- | 211 | ||
- | 212 | DEBUGF 1, "Structure %x allocated\n", eax |
|
215 | 213 | ||
216 | mov [com1], eax |
214 | mov [com1], eax |
217 | mov edi, eax |
215 | mov edi, eax |
218 | mov ecx, UART_SIZE/4 |
216 | mov ecx, UART_SIZE/4 |
219 | xor eax, eax |
217 | xor eax, eax |
220 | cld |
218 | cld |
221 | rep stosd |
219 | rep stosd |
222 | 220 | ||
223 | mov eax, [com1] |
221 | mov eax, [com1] |
224 | mov [eax+UART.base], COM_1_BASE |
222 | mov [eax+UART.base], COM_1_BASE |
225 | 223 | ||
226 | stdcall AllocKernelSpace, 32768 |
224 | invoke AllocKernelSpace, 32768 |
227 | 225 | ||
228 | mov edi, [com1] |
226 | mov edi, [com1] |
229 | mov edx, eax |
227 | mov edx, eax |
230 | 228 | ||
231 | mov [edi+UART.rcvr_buff], eax |
229 | mov [edi+UART.rcvr_buff], eax |
232 | add eax, 8192 |
230 | add eax, 8192 |
233 | mov [edi+UART.rcvr_top], eax |
231 | mov [edi+UART.rcvr_top], eax |
234 | add eax, 8192 |
232 | add eax, 8192 |
235 | mov [edi+UART.xmit_buff], eax |
233 | mov [edi+UART.xmit_buff], eax |
236 | add eax, 8192 |
234 | add eax, 8192 |
237 | mov [edi+UART.xmit_top], eax |
235 | mov [edi+UART.xmit_top], eax |
238 | 236 | ||
239 | call AllocPage |
237 | invoke AllocPage |
240 | test eax, eax |
238 | test eax, eax |
241 | jz .fail |
239 | jz .fail |
242 | 240 | ||
243 | shr edx, 12 |
241 | shr edx, 12 |
244 | or eax, PG_SW |
242 | or eax, PG_SW |
245 | mov [page_tabs+edx*4], eax |
243 | mov [page_tabs+edx*4], eax |
246 | mov [page_tabs+edx*4+8], eax |
244 | mov [page_tabs+edx*4+8], eax |
247 | 245 | ||
248 | call AllocPage |
246 | invoke AllocPage |
249 | test eax, eax |
247 | test eax, eax |
250 | jz .fail |
248 | jz .fail |
251 | 249 | ||
252 | or eax, PG_SW |
250 | or eax, PG_SW |
253 | mov [page_tabs+edx*4+4], eax |
251 | mov [page_tabs+edx*4+4], eax |
254 | mov [page_tabs+edx*4+12], eax |
252 | mov [page_tabs+edx*4+12], eax |
255 | 253 | ||
256 | call AllocPage |
254 | invoke AllocPage |
257 | test eax, eax |
255 | test eax, eax |
258 | jz .fail |
256 | jz .fail |
259 | 257 | ||
260 | or eax, PG_SW |
258 | or eax, PG_SW |
261 | mov [page_tabs+edx*4+16], eax |
259 | mov [page_tabs+edx*4+16], eax |
262 | mov [page_tabs+edx*4+24], eax |
260 | mov [page_tabs+edx*4+24], eax |
263 | 261 | ||
264 | call AllocPage |
262 | invoke AllocPage |
265 | test eax, eax |
263 | test eax, eax |
266 | jz .fail |
264 | jz .fail |
267 | 265 | ||
268 | or eax, PG_SW |
266 | or eax, PG_SW |
269 | mov [page_tabs+edx*4+20], eax |
267 | mov [page_tabs+edx*4+20], eax |
270 | mov [page_tabs+edx*4+28], eax |
268 | mov [page_tabs+edx*4+28], eax |
271 | 269 | ||
272 | mov eax, [edi+UART.rcvr_buff] |
270 | mov eax, [edi+UART.rcvr_buff] |
273 | invlpg [eax] |
271 | invlpg [eax] |
274 | invlpg [eax+0x1000] |
272 | invlpg [eax+0x1000] |
275 | invlpg [eax+0x2000] |
273 | invlpg [eax+0x2000] |
276 | invlpg [eax+0x3000] |
274 | invlpg [eax+0x3000] |
277 | invlpg [eax+0x4000] |
275 | invlpg [eax+0x4000] |
278 | invlpg [eax+0x5000] |
276 | invlpg [eax+0x5000] |
279 | invlpg [eax+0x6000] |
277 | invlpg [eax+0x6000] |
280 | invlpg [eax+0x7000] |
278 | invlpg [eax+0x7000] |
281 | 279 | ||
282 | mov eax, edi |
280 | mov eax, edi |
283 | call uart_reset.internal ;eax= uart |
281 | call uart_reset.internal ;eax= uart |
284 | 282 | ||
- | 283 | invoke AttachIntHandler, COM_1_IRQ, com_1_isr, dword 0 |
|
- | 284 | test eax, eax |
|
- | 285 | jnz @f |
|
- | 286 | DEBUGF 2, "Could not attach int handler (%x)\n", COM_1_IRQ |
|
- | 287 | jmp .fail |
|
- | 288 | ||
- | 289 | @@: |
|
- | 290 | DEBUGF 1, "Attached int handler (%x)\n", COM_1_IRQ |
|
285 | stdcall AttachIntHandler, COM_1_IRQ, com_1_isr, dword 0 |
291 | pop esi |
286 | stdcall RegService, sz_uart_srv, service_proc |
292 | invoke RegService, sz_uart_srv, service_proc |
- | 293 | ret |
|
287 | ret |
294 | |
288 | .fail: |
295 | .fail: |
- | 296 | .stop: |
|
- | 297 | DEBUGF 2, "Failed\n" |
|
289 | .stop: |
298 | pop esi |
290 | xor eax, eax |
299 | xor eax, eax |
291 | ret |
300 | ret |
292 | endp |
301 | endp |
293 | 302 | ||
294 | 303 | ||
295 | handle equ IOCTL.handle |
304 | handle equ IOCTL.handle |
296 | io_code equ IOCTL.io_code |
305 | io_code equ IOCTL.io_code |
297 | input equ IOCTL.input |
306 | input equ IOCTL.input |
298 | inp_size equ IOCTL.inp_size |
307 | inp_size equ IOCTL.inp_size |
299 | output equ IOCTL.output |
308 | output equ IOCTL.output |
300 | out_size equ IOCTL.out_size |
309 | out_size equ IOCTL.out_size |
301 | 310 | ||
302 | SRV_GETVERSION equ 0 |
311 | SRV_GETVERSION equ 0 |
303 | PORT_OPEN equ 1 |
312 | PORT_OPEN equ 1 |
304 | PORT_CLOSE equ 2 |
313 | PORT_CLOSE equ 2 |
305 | PORT_RESET equ 3 |
314 | PORT_RESET equ 3 |
306 | PORT_SETMODE equ 4 |
315 | PORT_SETMODE equ 4 |
307 | PORT_GETMODE equ 5 |
316 | PORT_GETMODE equ 5 |
308 | PORT_SETMCR equ 6 |
317 | PORT_SETMCR equ 6 |
309 | PORT_GETMCR equ 7 |
318 | PORT_GETMCR equ 7 |
310 | PORT_READ equ 8 |
319 | PORT_READ equ 8 |
311 | PORT_WRITE equ 9 |
320 | PORT_WRITE equ 9 |
312 | 321 | ||
313 | align 4 |
322 | align 4 |
314 | proc service_proc stdcall, ioctl:dword |
323 | proc service_proc stdcall, ioctl:dword |
315 | - | ||
316 | mov ebx, [ioctl] |
324 | mov ebx, [ioctl] |
317 | mov eax, [ebx+io_code] |
325 | mov eax, [ebx+io_code] |
318 | cmp eax, PORT_WRITE |
326 | cmp eax, PORT_WRITE |
319 | ja .fail |
327 | ja .fail |
320 | 328 | ||
321 | cmp eax, SRV_GETVERSION |
329 | cmp eax, SRV_GETVERSION |
322 | jne @F |
330 | jne @F |
323 | 331 | ||
324 | mov eax, [ebx+output] |
332 | mov eax, [ebx+output] |
325 | cmp [ebx+out_size], 4 |
333 | cmp [ebx+out_size], 4 |
326 | jne .fail |
334 | jne .fail |
327 | mov [eax], dword UART_VERSION |
335 | mov [eax], dword UART_VERSION |
328 | xor eax, eax |
336 | xor eax, eax |
329 | ret |
337 | ret |
330 | @@: |
338 | @@: |
331 | cmp eax, PORT_OPEN |
339 | cmp eax, PORT_OPEN |
332 | jne @F |
340 | jne @F |
333 | 341 | ||
334 | cmp [ebx+out_size], 4 |
342 | cmp [ebx+out_size], 4 |
335 | jne .fail |
343 | jne .fail |
336 | 344 | ||
337 | mov ebx, [ebx+input] |
345 | mov ebx, [ebx+input] |
338 | mov eax, [ebx] |
346 | mov eax, [ebx] |
339 | call uart_open |
347 | call uart_open |
340 | mov ebx, [ioctl] |
348 | mov ebx, [ioctl] |
341 | mov ebx, [ebx+output] |
349 | mov ebx, [ebx+output] |
342 | mov [ebx], ecx |
350 | mov [ebx], ecx |
343 | ret |
351 | ret |
344 | @@: |
352 | @@: |
345 | mov esi, [ebx+input] ;input buffer |
353 | mov esi, [ebx+input] ;input buffer |
346 | mov edi, [ebx+output] |
354 | mov edi, [ebx+output] |
347 | call [uart_func+eax*4] |
355 | call [uart_func+eax*4] |
348 | ret |
356 | ret |
349 | .fail: |
357 | .fail: |
350 | or eax, -1 |
358 | or eax, -1 |
351 | ret |
359 | ret |
352 | - | ||
353 | endp |
360 | endp |
354 | 361 | ||
355 | restore handle |
362 | ;restore handle |
356 | restore io_code |
363 | ;restore io_code |
357 | restore input |
364 | ;restore input |
358 | restore inp_size |
365 | ;restore inp_size |
359 | restore output |
366 | ;restore output |
360 | restore out_size |
367 | ;restore out_size |
361 | 368 | ||
362 | 369 | ||
363 | ; param |
370 | ; param |
364 | ; esi= input buffer |
371 | ; esi= input buffer |
365 | ; +0 connection |
372 | ; +0 connection |
366 | ; |
373 | ; |
367 | ; retval |
374 | ; retval |
368 | ; eax= error code |
375 | ; eax= error code |
369 | 376 | ||
370 | align 4 |
377 | align 4 |
371 | uart_reset: |
378 | uart_reset: |
372 | mov eax, [esi] |
379 | mov eax, [esi] |
373 | cmp [eax+APPOBJ.magic], 'CNCT' |
380 | cmp [eax+APPOBJ.magic], 'CNCT' |
374 | jne .fail |
381 | jne .fail |
375 | 382 | ||
376 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
383 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
377 | jne .fail |
384 | jne .fail |
378 | 385 | ||
379 | mov eax, [eax+CONNECTION.uart] |
386 | mov eax, [eax+CONNECTION.uart] |
380 | test eax, eax |
387 | test eax, eax |
381 | jz .fail |
388 | jz .fail |
382 | 389 | ||
383 | ; set mode 2400 bod 8-bit |
390 | ; set mode 2400 bod 8-bit |
384 | ; disable DTR & RTS |
391 | ; disable DTR & RTS |
385 | ; clear FIFO |
392 | ; clear FIFO |
386 | ; clear pending interrupts |
393 | ; clear pending interrupts |
387 | ; |
394 | ; |
388 | ; param |
395 | ; param |
389 | ; eax= uart |
396 | ; eax= uart |
390 | 397 | ||
391 | align 4 |
398 | align 4 |
392 | .internal: |
399 | .internal: |
393 | mov esi, eax |
400 | mov esi, eax |
394 | mov [eax+UART.state], UART_CLOSED |
401 | mov [eax+UART.state], UART_CLOSED |
395 | mov edx, [eax+UART.base] |
402 | mov edx, [eax+UART.base] |
396 | add edx, MCR_REG |
403 | add edx, MCR_REG |
397 | xor eax, eax |
404 | xor eax, eax |
398 | out dx, al ;clear DTR & RTS |
405 | out dx, al ;clear DTR & RTS |
399 | 406 | ||
400 | mov eax, esi |
407 | mov eax, esi |
401 | mov ebx, RATE_2400 |
408 | ; mov ebx, RATE_2400 |
- | 409 | mov ebx, RATE_115200 |
|
402 | mov ecx, LCR_8BIT+LCR_STOP_1 |
410 | mov ecx, LCR_8BIT+LCR_STOP_1 |
403 | call uart_set_mode.internal |
411 | call uart_set_mode.internal |
404 | 412 | ||
405 | mov edx, [esi+UART.base] |
413 | mov edx, [esi+UART.base] |
406 | add edx, IIR_REG |
414 | add edx, IIR_REG |
407 | mov eax, FCR_EFIFO+FCR_CRB+FCR_CXMIT+FCR_FIFO_14 |
415 | mov eax, FCR_EFIFO+FCR_CRB+FCR_CXMIT+FCR_FIFO_14 |
408 | out dx, al |
416 | out dx, al |
409 | .clear_RB: |
417 | .clear_RB: |
410 | mov edx, [esi+UART.base] |
418 | mov edx, [esi+UART.base] |
411 | add edx, LSR_REG |
419 | add edx, LSR_REG |
412 | in al, dx |
420 | in al, dx |
413 | test eax, LSR_DR |
421 | test eax, LSR_DR |
414 | jz @F |
422 | jz @F |
415 | 423 | ||
416 | mov edx, [esi+UART.base] |
424 | mov edx, [esi+UART.base] |
417 | in al, dx |
425 | in al, dx |
418 | jmp .clear_RB |
426 | jmp .clear_RB |
419 | @@: |
427 | @@: |
420 | mov edx, [esi+UART.base] |
428 | mov edx, [esi+UART.base] |
421 | add edx, IER_REG |
429 | add edx, IER_REG |
422 | mov eax, IER_RDAI+IER_THRI+IER_LSI |
430 | mov eax, IER_RDAI+IER_THRI+IER_LSI |
423 | out dx, al |
431 | out dx, al |
424 | .clear_IIR: |
432 | .clear_IIR: |
425 | mov edx, [esi+UART.base] |
433 | mov edx, [esi+UART.base] |
426 | add edx, IIR_REG |
434 | add edx, IIR_REG |
427 | in al, dx |
435 | in al, dx |
428 | test al, IIR_INTR |
436 | test al, IIR_INTR |
429 | jnz .done |
437 | jnz .done |
430 | 438 | ||
431 | shr eax, 1 |
439 | shr eax, 1 |
432 | and eax, 3 |
440 | and eax, 3 |
433 | jnz @F |
441 | jnz @F |
434 | 442 | ||
435 | mov edx, [esi+UART.base] |
443 | mov edx, [esi+UART.base] |
436 | add edx, MSR_REG |
444 | add edx, MSR_REG |
437 | in al, dx |
445 | in al, dx |
438 | jmp .clear_IIR |
446 | jmp .clear_IIR |
439 | @@: |
447 | @@: |
440 | cmp eax, 1 |
448 | cmp eax, 1 |
441 | je .clear_IIR |
449 | je .clear_IIR |
442 | 450 | ||
443 | cmp eax, 2 |
451 | cmp eax, 2 |
444 | jne @F |
452 | jne @F |
445 | 453 | ||
446 | mov edx, [esi+UART.base] |
454 | mov edx, [esi+UART.base] |
447 | in al, dx |
455 | in al, dx |
448 | jmp .clear_IIR |
456 | jmp .clear_IIR |
449 | @@: |
457 | @@: |
450 | mov edx, [esi+UART.base] |
458 | mov edx, [esi+UART.base] |
451 | add edx, LSR_REG |
459 | add edx, LSR_REG |
452 | in al, dx |
460 | in al, dx |
453 | jmp .clear_IIR |
461 | jmp .clear_IIR |
454 | .done: |
462 | .done: |
455 | mov edi, [esi+UART.rcvr_buff] |
463 | mov edi, [esi+UART.rcvr_buff] |
456 | mov ecx, 8192/4 |
464 | mov ecx, 8192/4 |
457 | xor eax, eax |
465 | xor eax, eax |
458 | 466 | ||
459 | mov [esi+UART.rcvr_rp], edi |
467 | mov [esi+UART.rcvr_rp], edi |
460 | mov [esi+UART.rcvr_wp], edi |
468 | mov [esi+UART.rcvr_wp], edi |
461 | mov [esi+UART.rcvr_count], eax |
469 | mov [esi+UART.rcvr_count], eax |
462 | 470 | ||
463 | cld |
471 | cld |
464 | rep stosd |
472 | rep stosd |
465 | 473 | ||
466 | mov edi, [esi+UART.xmit_buff] |
474 | mov edi, [esi+UART.xmit_buff] |
467 | mov ecx, 8192/4 |
475 | mov ecx, 8192/4 |
468 | 476 | ||
469 | mov [esi+UART.xmit_rp], edi |
477 | mov [esi+UART.xmit_rp], edi |
470 | mov [esi+UART.xmit_wp], edi |
478 | mov [esi+UART.xmit_wp], edi |
471 | mov [esi+UART.xmit_count], eax |
479 | mov [esi+UART.xmit_count], eax |
472 | mov [esi+UART.xmit_free], 8192 |
480 | mov [esi+UART.xmit_free], 8192 |
473 | 481 | ||
474 | rep stosd |
482 | rep stosd |
475 | ret ;eax= 0 |
483 | ret ;eax= 0 |
476 | .fail: |
484 | .fail: |
477 | or eax, -1 |
485 | or eax, -1 |
478 | ret |
486 | ret |
479 | 487 | ||
480 | ; param |
488 | ; param |
481 | ; esi= input buffer |
489 | ; esi= input buffer |
482 | ; +0 connection |
490 | ; +0 connection |
483 | ; +4 rate |
491 | ; +4 rate |
484 | ; +8 mode |
492 | ; +8 mode |
485 | ; |
493 | ; |
486 | ; retval |
494 | ; retval |
487 | ; eax= error code |
495 | ; eax= error code |
488 | 496 | ||
489 | align 4 |
497 | align 4 |
490 | uart_set_mode: |
498 | uart_set_mode: |
491 | mov eax, [esi] |
499 | mov eax, [esi] |
492 | cmp [eax+APPOBJ.magic], 'CNCT' |
500 | cmp [eax+APPOBJ.magic], 'CNCT' |
493 | jne .fail |
501 | jne .fail |
494 | 502 | ||
495 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
503 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
496 | jne .fail |
504 | jne .fail |
497 | 505 | ||
498 | mov eax, [eax+CONNECTION.uart] |
506 | mov eax, [eax+CONNECTION.uart] |
499 | test eax, eax |
507 | test eax, eax |
500 | jz .fail |
508 | jz .fail |
501 | 509 | ||
502 | mov ebx, [esi+4] |
510 | mov ebx, [esi+4] |
503 | mov ecx, [esi+8] |
511 | mov ecx, [esi+8] |
504 | 512 | ||
505 | ; param |
513 | ; param |
506 | ; eax= uart |
514 | ; eax= uart |
507 | ; ebx= baud rate |
515 | ; ebx= baud rate |
508 | ; ecx= mode |
516 | ; ecx= mode |
509 | 517 | ||
510 | align 4 |
518 | align 4 |
511 | .internal: |
519 | .internal: |
512 | cmp ebx, RATE_115200 |
520 | cmp ebx, RATE_115200 |
513 | ja .fail |
521 | ja .fail |
514 | 522 | ||
515 | cmp ecx, LCR_BREAK |
523 | cmp ecx, LCR_BREAK |
516 | jae .fail |
524 | jae .fail |
517 | 525 | ||
518 | mov [eax+UART.rate], ebx |
526 | mov [eax+UART.rate], ebx |
519 | mov [eax+UART.mode], ecx |
527 | mov [eax+UART.mode], ecx |
520 | 528 | ||
521 | mov esi, eax |
529 | mov esi, eax |
522 | mov bx, [divisor+ebx*2] |
530 | mov bx, [divisor+ebx*2] |
523 | 531 | ||
524 | mov edx, [esi+UART.base] |
532 | mov edx, [esi+UART.base] |
525 | push edx |
533 | push edx |
526 | add edx, LCR_REG |
534 | add edx, LCR_REG |
527 | in al, dx |
535 | in al, dx |
528 | or al, 0x80 |
536 | or al, 0x80 |
529 | out dx, al |
537 | out dx, al |
530 | 538 | ||
531 | pop edx |
539 | pop edx |
532 | mov al, bl |
540 | mov al, bl |
533 | out dx, al |
541 | out dx, al |
534 | 542 | ||
535 | inc dx |
543 | inc dx |
536 | mov al, bh |
544 | mov al, bh |
537 | out dx, al |
545 | out dx, al |
538 | 546 | ||
539 | add edx, LCR_REG-1 |
547 | add edx, LCR_REG-1 |
540 | mov eax, ecx |
548 | mov eax, ecx |
541 | out dx, al |
549 | out dx, al |
542 | xor eax, eax |
550 | xor eax, eax |
543 | ret |
551 | ret |
544 | .fail: |
552 | .fail: |
545 | or eax, -1 |
553 | or eax, -1 |
546 | ret |
554 | ret |
547 | 555 | ||
548 | ; param |
556 | ; param |
549 | ; esi= input buffer |
557 | ; esi= input buffer |
550 | ; +0 connection |
558 | ; +0 connection |
551 | ; +4 modem control reg valie |
559 | ; +4 modem control reg valie |
552 | ; |
560 | ; |
553 | ; retval |
561 | ; retval |
554 | ; eax= error code |
562 | ; eax= error code |
555 | 563 | ||
556 | align 4 |
564 | align 4 |
557 | uart_set_mcr: |
565 | uart_set_mcr: |
558 | 566 | ||
559 | mov eax, [esi] |
567 | mov eax, [esi] |
560 | cmp [eax+APPOBJ.magic], 'CNCT' |
568 | cmp [eax+APPOBJ.magic], 'CNCT' |
561 | jne .fail |
569 | jne .fail |
562 | 570 | ||
563 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
571 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
564 | jne .fail |
572 | jne .fail |
565 | 573 | ||
566 | mov eax, [eax+CONNECTION.uart] |
574 | mov eax, [eax+CONNECTION.uart] |
567 | test eax, eax |
575 | test eax, eax |
568 | jz .fail |
576 | jz .fail |
569 | 577 | ||
570 | mov ebx, [esi+4] |
578 | mov ebx, [esi+4] |
571 | 579 | ||
572 | mov [eax+UART.mcr_reg], ebx |
580 | mov [eax+UART.mcr_reg], ebx |
573 | mov edx, [eax+UART.base] |
581 | mov edx, [eax+UART.base] |
574 | add edx, MCR_REG |
582 | add edx, MCR_REG |
575 | mov al, bl |
583 | mov al, bl |
576 | out dx, al |
584 | out dx, al |
577 | xor eax, eax |
585 | xor eax, eax |
578 | ret |
586 | ret |
579 | .fail: |
587 | .fail: |
580 | or eax, -1 |
588 | or eax, -1 |
581 | ret |
589 | ret |
582 | 590 | ||
583 | ; param |
591 | ; param |
584 | ; eax= port |
592 | ; eax= port |
585 | ; |
593 | ; |
586 | ; retval |
594 | ; retval |
587 | ; ecx= connection |
595 | ; ecx= connection |
588 | ; eax= error code |
596 | ; eax= error code |
589 | 597 | ||
590 | align 4 |
598 | align 4 |
591 | uart_open: |
599 | uart_open: |
592 | dec eax |
600 | dec eax |
593 | cmp eax, COM_MAX |
601 | cmp eax, COM_MAX |
594 | jae .fail |
602 | jae .fail |
595 | 603 | ||
596 | mov esi, [com1+eax*4] ;uart |
604 | mov esi, [com1+eax*4] ;uart |
597 | push esi |
605 | push esi |
598 | .do_wait: |
606 | .do_wait: |
599 | cmp dword [esi+UART.lock], 0 |
607 | cmp dword [esi+UART.lock], 0 |
600 | je .get_lock |
608 | je .get_lock |
601 | ; call change_task |
609 | ; call change_task |
602 | jmp .do_wait |
610 | jmp .do_wait |
603 | .get_lock: |
611 | .get_lock: |
604 | mov eax, 1 |
612 | mov eax, 1 |
605 | xchg eax, [esi+UART.lock] |
613 | xchg eax, [esi+UART.lock] |
606 | test eax, eax |
614 | test eax, eax |
607 | jnz .do_wait |
615 | jnz .do_wait |
608 | 616 | ||
609 | mov eax, esi ;uart |
617 | mov eax, esi ;uart |
610 | call uart_reset.internal |
618 | call uart_reset.internal |
611 | 619 | ||
612 | mov ebx, [CURRENT_TASK] |
620 | mov ebx, [CURRENT_TASK] |
613 | shl ebx, 5 |
621 | shl ebx, 5 |
614 | mov ebx, [CURRENT_TASK+ebx+4] |
622 | mov ebx, [CURRENT_TASK+ebx+4] |
615 | mov eax, CONNECTION_SIZE |
623 | mov eax, CONNECTION_SIZE |
616 | call CreateObject |
624 | invoke CreateObject |
617 | pop esi ;uart |
625 | pop esi ;uart |
618 | test eax, eax |
626 | test eax, eax |
619 | jz .fail |
627 | jz .fail |
620 | 628 | ||
621 | mov [eax+APPOBJ.magic], 'CNCT' |
629 | mov [eax+APPOBJ.magic], 'CNCT' |
622 | mov [eax+APPOBJ.destroy], uart_close.destroy |
630 | mov [eax+APPOBJ.destroy], uart_close.destroy |
623 | mov [eax+CONNECTION.uart], esi |
631 | mov [eax+CONNECTION.uart], esi |
624 | mov ecx, eax |
632 | mov ecx, eax |
625 | xor eax, eax |
633 | xor eax, eax |
626 | ret |
634 | ret |
627 | .fail: |
635 | .fail: |
628 | or eax, -1 |
636 | or eax, -1 |
629 | ret |
637 | ret |
630 | restore .uart |
638 | restore .uart |
631 | 639 | ||
632 | ; param |
640 | ; param |
633 | ; esi= input buffer |
641 | ; esi= input buffer |
634 | 642 | ||
635 | align 4 |
643 | align 4 |
636 | uart_close: |
644 | uart_close: |
637 | mov eax, [esi] |
645 | mov eax, [esi] |
638 | cmp [eax+APPOBJ.magic], 'CNCT' |
646 | cmp [eax+APPOBJ.magic], 'CNCT' |
639 | jne .fail |
647 | jne .fail |
640 | 648 | ||
641 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
649 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
642 | jne .fail |
650 | jne .fail |
- | 651 | ||
643 | .destroy: |
652 | .destroy: |
- | 653 | ; DEBUGF 1, "[UART.destroy] eax=%x uart=%x\n", eax, [eax+CONNECTION.uart] |
|
644 | push [eax+CONNECTION.uart] |
654 | push [eax+CONNECTION.uart] |
645 | call DestroyObject ;eax= object |
655 | invoke DestroyObject ;eax= object |
646 | pop eax ;eax= uart |
656 | pop eax ;eax= uart |
647 | test eax, eax |
657 | test eax, eax |
648 | jz .fail |
658 | jz .fail |
649 | 659 | ||
650 | mov [eax+UART.state], UART_CLOSED |
660 | mov [eax+UART.state], UART_CLOSED |
651 | mov [eax+UART.lock], 0;release port |
661 | mov [eax+UART.lock], 0 ;release port |
652 | xor eax, eax |
662 | xor eax, eax |
653 | ret |
663 | ret |
654 | .fail: |
664 | .fail: |
655 | or eax, -1 |
665 | or eax, -1 |
656 | ret |
666 | ret |
657 | 667 | ||
658 | 668 | ||
659 | ; param |
669 | ; param |
660 | ; eax= uart |
670 | ; eax= uart |
661 | ; ebx= baud rate |
671 | ; ebx= baud rate |
662 | 672 | ||
663 | align 4 |
673 | align 4 |
664 | set_rate: |
674 | set_rate: |
665 | cmp ebx, RATE_115200 |
675 | cmp ebx, RATE_115200 |
666 | ja .fail |
676 | ja .fail |
667 | 677 | ||
668 | mov [eax+UART.rate], ebx |
678 | mov [eax+UART.rate], ebx |
669 | mov bx, [divisor+ebx*2] |
679 | mov bx, [divisor+ebx*2] |
670 | 680 | ||
671 | mov edx, [eax+UART.base] |
681 | mov edx, [eax+UART.base] |
672 | add edx, LCR_REG |
682 | add edx, LCR_REG |
673 | in al, dx |
683 | in al, dx |
674 | push eax |
684 | push eax |
675 | or al, 0x80 |
685 | or al, 0x80 |
676 | out dx, al |
686 | out dx, al |
677 | 687 | ||
678 | sub edx, LCR_REG |
688 | sub edx, LCR_REG |
679 | mov al, bl |
689 | mov al, bl |
680 | out dx, al |
690 | out dx, al |
681 | 691 | ||
682 | inc edx |
692 | inc edx |
683 | mov al, bh |
693 | mov al, bh |
684 | out dx, al |
694 | out dx, al |
685 | 695 | ||
686 | pop eax |
696 | pop eax |
687 | add edx, LCR_REG-1 |
697 | add edx, LCR_REG-1 |
688 | out dx, al |
698 | out dx, al |
689 | .fail: |
699 | .fail: |
690 | ret |
700 | ret |
691 | 701 | ||
692 | 702 | ||
693 | ; param |
703 | ; param |
694 | ; ebx= uart |
704 | ; ebx= uart |
695 | 705 | ||
696 | align 4 |
706 | align 4 |
697 | transmit: |
707 | transmit: |
698 | push esi |
708 | push esi |
699 | push edi |
709 | push edi |
700 | 710 | ||
701 | mov edx, [ebx+UART.base] |
711 | mov edx, [ebx+UART.base] |
702 | 712 | ||
703 | pushfd |
713 | pushfd |
704 | cli |
714 | cli |
705 | 715 | ||
706 | mov esi, [ebx+UART.xmit_rp] |
716 | mov esi, [ebx+UART.xmit_rp] |
707 | mov ecx, [ebx+UART.xmit_count] |
717 | mov ecx, [ebx+UART.xmit_count] |
708 | test ecx, ecx |
718 | test ecx, ecx |
709 | je .stop |
719 | je .stop |
710 | 720 | ||
711 | cmp ecx, 16 |
721 | cmp ecx, 16 |
712 | jbe @F |
722 | jbe @F |
713 | mov ecx, 16 |
723 | mov ecx, 16 |
714 | @@: |
724 | @@: |
715 | sub [ebx+UART.xmit_count], ecx |
725 | sub [ebx+UART.xmit_count], ecx |
716 | add [ebx+UART.xmit_free], ecx |
726 | add [ebx+UART.xmit_free], ecx |
717 | cld |
727 | cld |
718 | @@: |
728 | @@: |
719 | lodsb |
729 | lodsb |
720 | out dx, al |
730 | out dx, al |
721 | dec ecx |
731 | dec ecx |
722 | jnz @B |
732 | jnz @B |
723 | 733 | ||
724 | cmp esi, [ebx+UART.xmit_top] |
734 | cmp esi, [ebx+UART.xmit_top] |
725 | jb @F |
735 | jb @F |
726 | sub esi, 8192 |
736 | sub esi, 8192 |
727 | @@: |
737 | @@: |
728 | mov [ebx+UART.xmit_rp], esi |
738 | mov [ebx+UART.xmit_rp], esi |
729 | 739 | ||
730 | cmp [ebx+UART.xmit_count], 0 |
740 | cmp [ebx+UART.xmit_count], 0 |
731 | je .stop |
741 | je .stop |
732 | 742 | ||
733 | mov [ebx+UART.state], UART_TRANSMIT |
743 | mov [ebx+UART.state], UART_TRANSMIT |
734 | jmp @F |
744 | jmp @F |
735 | .stop: |
745 | .stop: |
736 | mov [ebx+UART.state], UART_STOP |
746 | mov [ebx+UART.state], UART_STOP |
737 | @@: |
747 | @@: |
738 | popfd |
748 | popfd |
739 | pop edi |
749 | pop edi |
740 | pop esi |
750 | pop esi |
741 | ret |
751 | ret |
742 | 752 | ||
743 | 753 | ||
744 | ; param |
754 | ; param |
745 | ; esi= input buffer |
755 | ; esi= input buffer |
746 | ; +0 connection |
756 | ; +0 connection |
747 | ; +4 dst buffer |
757 | ; +4 dst buffer |
748 | ; +8 dst size |
758 | ; +8 dst size |
749 | ; edi= output buffer |
759 | ; edi= output buffer |
750 | ; +0 bytes read |
760 | ; +0 bytes read |
751 | 761 | ||
752 | ; retval |
762 | ; retval |
753 | ; eax= error code |
763 | ; eax= error code |
754 | 764 | ||
755 | align 4 |
765 | align 4 |
756 | uart_read: |
766 | uart_read: |
757 | mov eax, [esi] |
767 | mov eax, [esi] |
758 | cmp [eax+APPOBJ.magic], 'CNCT' |
768 | cmp [eax+APPOBJ.magic], 'CNCT' |
759 | jne .fail |
769 | jne .fail |
760 | 770 | ||
761 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
771 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
762 | jne .fail |
772 | jne .fail |
763 | 773 | ||
764 | mov eax, [eax+CONNECTION.uart] |
774 | mov eax, [eax+CONNECTION.uart] |
765 | test eax, eax |
775 | test eax, eax |
766 | jz .fail |
776 | jz .fail |
767 | 777 | ||
768 | mov ebx, [esi+8] ;dst size |
778 | mov ebx, [esi+8] ;dst size |
769 | mov ecx, [eax+UART.rcvr_count] |
779 | mov ecx, [eax+UART.rcvr_count] |
770 | cmp ecx, ebx |
780 | cmp ecx, ebx |
771 | jbe @F |
781 | jbe @F |
772 | mov ecx, ebx |
782 | mov ecx, ebx |
773 | @@: |
783 | @@: |
774 | mov [edi], ecx ;bytes read |
784 | mov [edi], ecx ;bytes read |
775 | test ecx, ecx |
785 | test ecx, ecx |
776 | jz .done |
786 | jz .done |
777 | 787 | ||
778 | push ecx |
788 | push ecx |
779 | 789 | ||
780 | mov edi, [esi+4] ;dst |
790 | mov edi, [esi+4] ;dst |
781 | mov esi, [eax+UART.rcvr_rp] |
791 | mov esi, [eax+UART.rcvr_rp] |
782 | cld |
792 | cld |
783 | rep movsb |
793 | rep movsb |
784 | pop ecx |
794 | pop ecx |
785 | 795 | ||
786 | cmp esi, [eax+UART.rcvr_top] |
796 | cmp esi, [eax+UART.rcvr_top] |
787 | jb @F |
797 | jb @F |
788 | sub esi, 8192 |
798 | sub esi, 8192 |
789 | @@: |
799 | @@: |
790 | mov [eax+UART.rcvr_rp], esi |
800 | mov [eax+UART.rcvr_rp], esi |
791 | sub [eax+UART.rcvr_count], ecx |
801 | sub [eax+UART.rcvr_count], ecx |
792 | .done: |
802 | .done: |
793 | xor eax, eax |
803 | xor eax, eax |
794 | ret |
804 | ret |
795 | .fail: |
805 | .fail: |
796 | or eax, -1 |
806 | or eax, -1 |
797 | ret |
807 | ret |
798 | 808 | ||
799 | ; param |
809 | ; param |
800 | ; esi= input buffer |
810 | ; esi= input buffer |
801 | ; +0 connection |
811 | ; +0 connection |
802 | ; +4 src buffer |
812 | ; +4 src buffer |
803 | ; +8 src size |
813 | ; +8 src size |
804 | ; |
814 | ; |
805 | ; retval |
815 | ; retval |
806 | ; eax= error code |
816 | ; eax= error code |
807 | 817 | ||
808 | align 4 |
818 | align 4 |
809 | uart_write: |
819 | uart_write: |
810 | mov eax, [esi] |
820 | mov eax, [esi] |
811 | cmp [eax+APPOBJ.magic], 'CNCT' |
821 | cmp [eax+APPOBJ.magic], 'CNCT' |
812 | jne .fail |
822 | jne .fail |
813 | 823 | ||
814 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
824 | cmp [eax+APPOBJ.destroy], uart_close.destroy |
815 | jne .fail |
825 | jne .fail |
816 | 826 | ||
817 | mov eax, [eax+CONNECTION.uart] |
827 | mov eax, [eax+CONNECTION.uart] |
818 | test eax, eax |
828 | test eax, eax |
819 | jz .fail |
829 | jz .fail |
820 | 830 | ||
821 | mov ebx, [esi+4] |
831 | mov ebx, [esi+4] |
822 | mov edx, [esi+8] |
832 | mov edx, [esi+8] |
823 | 833 | ||
824 | ; param |
834 | ; param |
825 | ; eax= uart |
835 | ; eax= uart |
826 | ; ebx= src |
836 | ; ebx= src |
827 | ; edx= count |
837 | ; edx= count |
828 | 838 | ||
829 | align 4 |
839 | align 4 |
830 | .internal: |
840 | .internal: |
831 | mov esi, ebx |
841 | mov esi, ebx |
832 | mov edi, [eax+UART.xmit_wp] |
842 | mov edi, [eax+UART.xmit_wp] |
833 | .write: |
843 | .write: |
834 | test edx, edx |
844 | test edx, edx |
835 | jz .fail |
845 | jz .fail |
836 | .wait: |
846 | .wait: |
837 | cmp [eax+UART.xmit_free], 0 |
847 | cmp [eax+UART.xmit_free], 0 |
838 | jne .fill |
848 | jne .fill |
839 | 849 | ||
840 | cmp [eax+UART.state], UART_TRANSMIT |
850 | cmp [eax+UART.state], UART_TRANSMIT |
841 | je .wait |
851 | je .wait |
842 | 852 | ||
843 | mov ebx, eax |
853 | mov ebx, eax |
844 | push edx |
854 | push edx |
845 | call transmit |
855 | call transmit |
846 | pop edx |
856 | pop edx |
847 | mov eax, ebx |
857 | mov eax, ebx |
848 | jmp .write |
858 | jmp .write |
849 | .fill: |
859 | .fill: |
850 | mov ecx, [eax+UART.xmit_free] |
860 | mov ecx, [eax+UART.xmit_free] |
851 | cmp ecx, edx |
861 | cmp ecx, edx |
852 | jbe @F |
862 | jbe @F |
853 | mov ecx, edx |
863 | mov ecx, edx |
854 | @@: |
864 | @@: |
855 | push ecx |
865 | push ecx |
856 | cld |
866 | cld |
857 | rep movsb |
867 | rep movsb |
858 | pop ecx |
868 | pop ecx |
859 | sub [eax+UART.xmit_free], ecx |
869 | sub [eax+UART.xmit_free], ecx |
860 | add [eax+UART.xmit_count], ecx |
870 | add [eax+UART.xmit_count], ecx |
861 | sub edx, ecx |
871 | sub edx, ecx |
862 | jnz .wait |
872 | jnz .wait |
863 | .done: |
873 | .done: |
864 | cmp edi, [eax+UART.xmit_top] |
874 | cmp edi, [eax+UART.xmit_top] |
865 | jb @F |
875 | jb @F |
866 | sub edi, 8192 |
876 | sub edi, 8192 |
867 | @@: |
877 | @@: |
868 | mov [eax+UART.xmit_wp], edi |
878 | mov [eax+UART.xmit_wp], edi |
869 | cmp [eax+UART.state], UART_TRANSMIT |
879 | cmp [eax+UART.state], UART_TRANSMIT |
870 | je @F |
880 | je @F |
871 | mov ebx, eax |
881 | mov ebx, eax |
872 | call transmit |
882 | call transmit |
873 | @@: |
883 | @@: |
874 | xor eax, eax |
884 | xor eax, eax |
875 | ret |
885 | ret |
876 | .fail: |
886 | .fail: |
877 | or eax, -1 |
887 | or eax, -1 |
878 | ret |
888 | ret |
879 | 889 | ||
880 | 890 | ||
881 | align 4 |
891 | align 4 |
882 | com_2_isr: |
892 | com_2_isr: |
883 | mov ebx, [com2] |
893 | mov ebx, [com2] |
884 | jmp com_1_isr.get_info |
894 | jmp com_1_isr.get_info |
- | 895 | ||
885 | align 4 |
896 | align 4 |
886 | com_1_isr: |
897 | com_1_isr: |
887 | mov ebx, [com1] |
898 | mov ebx, [com1] |
- | 899 | ||
888 | .get_info: |
900 | .get_info: |
889 | mov edx, [ebx+UART.base] |
901 | mov edx, [ebx+UART.base] |
890 | add edx, IIR_REG |
902 | add edx, IIR_REG |
891 | in al, dx |
903 | in al, dx |
892 | 904 | ||
893 | test al, IIR_INTR |
905 | test al, IIR_INTR |
894 | jnz .done |
906 | jnz .done |
895 | 907 | ||
896 | shr eax, 1 |
908 | shr eax, 1 |
897 | and eax, 3 |
909 | and eax, 3 |
898 | 910 | ||
899 | call [isr_action+eax*4] |
911 | call [isr_action+eax*4] |
900 | jmp .get_info |
912 | jmp .get_info |
901 | .done: |
913 | .done: |
902 | ret |
914 | ret |
903 | 915 | ||
904 | align 4 |
916 | align 4 |
905 | isr_line: |
917 | isr_line: |
906 | mov edx, [ebx+UART.base] |
918 | mov edx, [ebx+UART.base] |
907 | add edx, LSR_REG |
919 | add edx, LSR_REG |
908 | in al, dx |
920 | in al, dx |
909 | ret |
921 | ret |
910 | 922 | ||
911 | align 4 |
923 | align 4 |
912 | isr_recieve: |
924 | isr_recieve: |
- | 925 | ; DEBUGF 1, "[UART.isr_recieve] ebx=%x\n", ebx |
|
913 | mov esi, [ebx+UART.base] |
926 | mov esi, [ebx+UART.base] |
914 | add esi, LSR_REG |
927 | add esi, LSR_REG |
915 | mov edi, [ebx+UART.rcvr_wp] |
928 | mov edi, [ebx+UART.rcvr_wp] |
916 | xor ecx, ecx |
929 | xor ecx, ecx |
917 | cld |
930 | cld |
918 | .read: |
931 | .read: |
919 | mov edx, esi |
932 | mov edx, esi |
920 | in al, dx |
933 | in al, dx |
921 | test eax, LSR_DR |
934 | test eax, LSR_DR |
922 | jz .done |
935 | jz .done |
923 | 936 | ||
924 | mov edx, [ebx+UART.base] |
937 | mov edx, [ebx+UART.base] |
925 | in al, dx |
938 | in al, dx |
926 | stosb |
939 | stosb |
927 | inc ecx |
940 | inc ecx |
928 | jmp .read |
941 | jmp .read |
929 | .done: |
942 | .done: |
930 | cmp edi, [ebx+UART.rcvr_top] |
943 | cmp edi, [ebx+UART.rcvr_top] |
931 | jb @F |
944 | jb @F |
932 | sub edi, 8192 |
945 | sub edi, 8192 |
933 | @@: |
946 | @@: |
934 | mov [ebx+UART.rcvr_wp], edi |
947 | mov [ebx+UART.rcvr_wp], edi |
935 | add [ebx+UART.rcvr_count], ecx |
948 | add [ebx+UART.rcvr_count], ecx |
936 | ret |
949 | ret |
937 | 950 | ||
938 | align 4 |
951 | align 4 |
939 | isr_modem: |
952 | isr_modem: |
940 | mov edx, [ebx+UART.base] |
953 | mov edx, [ebx+UART.base] |
941 | add edx, MSR_REG |
954 | add edx, MSR_REG |
942 | in al, dx |
955 | in al, dx |
943 | ret |
956 | ret |
944 | 957 | ||
945 | 958 | ||
946 | align 4 |
959 | align 4 |
947 | divisor dw 2304, 1536, 1047, 857, 768, 384 |
960 | divisor dw 2304, 1536, 1047, 857, 768, 384 |
948 | dw 192, 96, 64, 58, 48, 32 |
961 | dw 192, 96, 64, 58, 48, 32 |
949 | dw 24, 16, 12, 6, 3, 2, 1 |
962 | dw 24, 16, 12, 6, 3, 2, 1 |
950 | 963 | ||
951 | align 4 |
964 | align 4 |
952 | uart_func dd 0 ;SRV_GETVERSION |
965 | uart_func dd 0 ;SRV_GETVERSION |
953 | dd 0 ;PORT_OPEN |
966 | dd 0 ;PORT_OPEN |
954 | dd uart_close ;PORT_CLOSE |
967 | dd uart_close ;PORT_CLOSE |
955 | dd uart_reset ;PORT_RESET |
968 | dd uart_reset ;PORT_RESET |
956 | dd uart_set_mode ;PORT_SETMODE |
969 | dd uart_set_mode ;PORT_SETMODE |
957 | dd 0 ;PORT_GETMODE |
970 | dd 0 ;PORT_GETMODE |
958 | dd uart_set_mcr ;PORT_SETMODEM |
971 | dd uart_set_mcr ;PORT_SETMODEM |
959 | dd 0 ;PORT_GETMODEM |
972 | dd 0 ;PORT_GETMODEM |
960 | dd uart_read ;PORT_READ |
973 | dd uart_read ;PORT_READ |
961 | dd uart_write ;PORT_WRITE |
974 | dd uart_write ;PORT_WRITE |
962 | 975 | ||
963 | isr_action dd isr_modem |
976 | isr_action dd isr_modem |
964 | dd transmit |
977 | dd transmit |
965 | dd isr_recieve |
978 | dd isr_recieve |
966 | dd isr_line |
979 | dd isr_line |
967 | 980 | ||
968 | version dd (5 shl 16) or (UART_VERSION and 0xFFFF) |
981 | version dd (5 shl 16) or (UART_VERSION and 0xFFFF) |
969 | 982 | ||
970 | sz_uart_srv db 'UART',0 |
983 | sz_uart_srv db 'UART', 0 |
- | 984 | msg_start db 'Loading UART driver...',13,10,0 |
|
971 | - | ||
- | 985 | ||
- | 986 | include_debug_strings ; All data wich FDO uses will be included here |
|
972 | align 4 |
987 | |
973 | 988 | align 4 |
|
974 | com1 rd 1 |
989 | com1 rd 1 |
975 | com2 rd 1 |
990 | com2 rd 1 |
- | 991 | ||
- | 992 | align 4 |
|
- | 993 | data fixups |
|
- | 994 | end data |