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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2022. 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 | $Revision: 9976 $ |
8 | $Revision: 10002 $ |
9 | 9 | ||
10 | struct EXCEPT_STACK |
10 | struct EXCEPT_STACK |
11 | RegEIP dd ? |
11 | RegEIP dd ? |
12 | ExcCode dd ? ; only exception 12 overflow stack |
12 | ExcCode dd ? ; only exception 12 overflow stack |
13 | OldESP dd ? |
13 | OldESP dd ? |
14 | RegCR2 dd ? |
14 | RegCR2 dd ? |
15 | LockAccess dd ? |
15 | LockAccess dd ? |
16 | ends |
16 | ends |
17 | 17 | ||
18 | align 4 ;3A08 |
18 | align 4 ;3A08 |
19 | build_interrupt_table: |
19 | build_interrupt_table: |
20 | mov edi, idts |
20 | mov edi, idts |
21 | mov esi, sys_int |
21 | mov esi, sys_int |
22 | mov ecx, 0x40 |
22 | mov ecx, 0x40 |
23 | mov eax, (10001110b shl 24) + os_code |
23 | mov eax, (10001110b shl 24) + os_code |
24 | @@: |
24 | @@: |
25 | movsw ; low word of code-entry |
25 | movsw ; low word of code-entry |
26 | stosd ; interrupt gate type : os_code selector |
26 | stosd ; interrupt gate type : os_code selector |
27 | movsw ; high word of code-entry |
27 | movsw ; high word of code-entry |
28 | loop @b |
28 | loop @b |
29 | movsd ; copy low dword of trap gate for int 0x40 |
29 | movsd ; copy low dword of trap gate for int 0x40 |
30 | movsd ; copy high dword of trap gate for int 0x40 |
30 | movsd ; copy high dword of trap gate for int 0x40 |
31 | mov ecx, 23 |
31 | mov ecx, 23 |
32 | mov eax, (10001110b shl 24) + os_code |
32 | mov eax, (10001110b shl 24) + os_code |
33 | @@: |
33 | @@: |
34 | movsw ; low word of code-entry |
34 | movsw ; low word of code-entry |
35 | stosd ; interrupt gate type : os_code selector |
35 | stosd ; interrupt gate type : os_code selector |
36 | movsw ; high word of code-entry |
36 | movsw ; high word of code-entry |
37 | loop @b |
37 | loop @b |
38 | lidt [esi] |
38 | lidt [esi] |
39 | ret |
39 | ret |
40 | 40 | ||
41 | iglobal |
41 | iglobal |
42 | align 4 |
42 | align 4 |
43 | sys_int: |
43 | sys_int: |
44 | ; exception handlers addresses (for interrupt gate construction) |
44 | ; exception handlers addresses (for interrupt gate construction) |
45 | dd e0,e1,e2,e3,e4,e5,e6,except_7 ; SEE: core/fpu.inc |
45 | dd e0,e1,e2,e3,e4,e5,e6,except_7 ; SEE: core/fpu.inc |
46 | dd e8,e9,e10,e11,e12,e13,page_fault_exc,e15 |
46 | dd e8,e9,e10,e11,e12,e13,page_fault_exc,e15 |
47 | dd e16, e17,e18, e19 |
47 | dd e16, e17,e18, e19 |
48 | times 12 dd unknown_interrupt ;int_20..int_31 |
48 | times 12 dd unknown_interrupt ;int_20..int_31 |
49 | 49 | ||
50 | ; interrupt handlers addresses (for interrupt gate construction) |
50 | ; interrupt handlers addresses (for interrupt gate construction) |
51 | ; 0x20+ are IRQ handlers |
51 | ; 0x20+ are IRQ handlers |
52 | dd irq0 |
52 | dd irq0 |
53 | rept 12 irqn:1 \{dd irq_serv.irq_\#irqn\} |
53 | rept 12 irqn:1 \{dd irq_serv.irq_\#irqn\} |
54 | dd irqD |
54 | dd irqD |
55 | rept 18 irqn:14 \{dd irq_serv.irq_\#irqn\} |
55 | rept 18 irqn:14 \{dd irq_serv.irq_\#irqn\} |
56 | 56 | ||
57 | ; int_0x40 gate trap (for directly copied) |
57 | ; int_0x40 gate trap (for directly copied) |
58 | dw i40 and 0xFFFF, os_code, 11101111b shl 8, i40 shr 16 |
58 | dw i40 and 0xFFFF, os_code, 11101111b shl 8, i40 shr 16 |
59 | 59 | ||
60 | rept 23 irqn:33 \{dd irq_serv.irq_\#irqn\} |
60 | rept 23 irqn:33 \{dd irq_serv.irq_\#irqn\} |
61 | 61 | ||
62 | idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data) |
62 | idtreg: ; data for LIDT instruction (!!! must be immediately below sys_int data) |
63 | dw 2*($-sys_int-4)-1 |
63 | dw 2*($-sys_int-4)-1 |
64 | dd idts ; 0x8000B100 |
64 | dd idts ; 0x8000B100 |
65 | dw 0 ; alignment |
65 | dw 0 ; alignment |
66 | 66 | ||
67 | msg_fault_sel dd msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b |
67 | msg_fault_sel dd msg_exc_8,msg_exc_u,msg_exc_a,msg_exc_b |
68 | dd msg_exc_c,msg_exc_d,msg_exc_e,msg_exc_u |
68 | dd msg_exc_c,msg_exc_d,msg_exc_e,msg_exc_u |
69 | dd msg_exc_u,msg_exc_11 |
69 | dd msg_exc_u,msg_exc_11 |
70 | 70 | ||
71 | msg_exc_8 db "Double fault", 0 |
71 | msg_exc_8 db "Double fault", 0 |
72 | msg_exc_u db "Undefined Exception", 0 |
72 | msg_exc_u db "Undefined Exception", 0 |
73 | msg_exc_a db "Invalid TSS", 0 |
73 | msg_exc_a db "Invalid TSS", 0 |
74 | msg_exc_b db "Segment not present", 0 |
74 | msg_exc_b db "Segment not present", 0 |
75 | msg_exc_c db "Stack fault", 0 |
75 | msg_exc_c db "Stack fault", 0 |
76 | msg_exc_d db "General protection fault", 0 |
76 | msg_exc_d db "General protection fault", 0 |
77 | msg_exc_e db "Page fault", 0 |
77 | msg_exc_e db "Page fault", 0 |
78 | msg_exc_11 db "Alignment Check", 0 |
78 | msg_exc_11 db "Alignment Check", 0 |
79 | 79 | ||
80 | if lang eq sp |
80 | if lang eq sp |
81 | include 'core/sys32-sp.inc' |
81 | include 'core/sys32-sp.inc' |
82 | else |
82 | else |
83 | msg_sel_ker db "kernel", 0 |
83 | msg_sel_ker db "kernel", 0 |
84 | msg_sel_app db "application", 0 |
84 | msg_sel_app db "application", 0 |
85 | end if |
85 | end if |
86 | 86 | ||
87 | endg |
87 | endg |
88 | 88 | ||
89 | macro save_ring3_context { |
89 | macro save_ring3_context { |
90 | pushad |
90 | pushad |
91 | } |
91 | } |
92 | macro restore_ring3_context { |
92 | macro restore_ring3_context { |
93 | popad |
93 | popad |
94 | } |
94 | } |
95 | macro exc_wo_code [num] { |
95 | macro exc_wo_code [num] { |
96 | e#num : |
96 | e#num : |
97 | save_ring3_context |
97 | save_ring3_context |
98 | mov bl, num |
98 | mov bl, num |
99 | jmp exc_c |
99 | jmp exc_c |
100 | } exc_wo_code 0,1,2,3,4,5,6,15,16,19 |
100 | } exc_wo_code 0,1,2,3,4,5,6,15,16,19 |
101 | 101 | ||
102 | macro exc_w_code [num] { |
102 | macro exc_w_code [num] { |
103 | e#num : |
103 | e#num : |
104 | add esp, 4 |
104 | add esp, 4 |
105 | save_ring3_context |
105 | save_ring3_context |
106 | mov bl, num |
106 | mov bl, num |
107 | jmp exc_c |
107 | jmp exc_c |
108 | } exc_w_code 8,9,10,11,12,13,17,18 |
108 | } exc_w_code 8,9,10,11,12,13,17,18 |
109 | 109 | ||
110 | 110 | ||
111 | uglobal |
111 | uglobal |
112 | pf_err_code dd ? |
112 | pf_err_code dd ? |
113 | endg |
113 | endg |
114 | 114 | ||
115 | page_fault_exc: ; foolproof: selectors are clobbered ... |
115 | page_fault_exc: ; foolproof: selectors are clobbered ... |
116 | pop [ss:pf_err_code] ; actually, until the next #PF |
116 | pop [ss:pf_err_code] ; actually, until the next #PF |
- | 117 | ||
- | 118 | cmp edi, CONTROL_EXCEPTION ; equ 'EXPT' |
|
- | 119 | jne .no_ctrl_exc |
|
- | 120 | bt dword [esp], 31 |
|
- | 121 | jc .setret |
|
- | 122 | test esi, esi |
|
- | 123 | jl .no_ctrl_exc |
|
- | 124 | .setret: |
|
- | 125 | mov [esp], esi |
|
- | 126 | iret |
|
- | 127 | ||
- | 128 | .no_ctrl_exc: |
|
117 | save_ring3_context |
129 | save_ring3_context |
118 | mov bl, 14 |
130 | mov bl, 14 |
119 | 131 | ||
120 | exc_c: ; exceptions (all but 7th - #NM) |
132 | exc_c: ; exceptions (all but 7th - #NM) |
121 | ; stack frame when exception/interrupt from ring3 + pushad (i.e right here) |
133 | ; stack frame when exception/interrupt from ring3 + pushad (i.e right here) |
122 | reg_ss equ esp+0x30 |
134 | reg_ss equ esp+0x30 |
123 | reg_esp3 equ esp+0x2C |
135 | reg_esp3 equ esp+0x2C |
124 | reg_eflags equ esp+0x28 |
136 | reg_eflags equ esp+0x28 |
125 | reg_cs3 equ esp+0x24 |
137 | reg_cs3 equ esp+0x24 |
126 | reg_eip equ esp+0x20 |
138 | reg_eip equ esp+0x20 |
127 | ; this if frame from pushad |
139 | ; this if frame from pushad |
128 | reg_eax equ esp+0x1C |
140 | reg_eax equ esp+0x1C |
129 | reg_ecx equ esp+0x18 |
141 | reg_ecx equ esp+0x18 |
130 | reg_edx equ esp+0x14 |
142 | reg_edx equ esp+0x14 |
131 | reg_ebx equ esp+0x10 |
143 | reg_ebx equ esp+0x10 |
132 | reg_esp0 equ esp+0x0C |
144 | reg_esp0 equ esp+0x0C |
133 | reg_ebp equ esp+0x08 |
145 | reg_ebp equ esp+0x08 |
134 | reg_esi equ esp+0x04 |
146 | reg_esi equ esp+0x04 |
135 | reg_edi equ esp+0x00 |
147 | reg_edi equ esp+0x00 |
136 | 148 | ||
137 | mov ax, app_data ; exception |
149 | mov ax, app_data ; exception |
138 | mov ds, ax ; load proper values |
150 | mov ds, ax ; load proper values |
139 | mov es, ax ; to registers |
151 | mov es, ax ; to registers |
140 | cld ; clear the direction flag |
152 | cld ; clear the direction flag |
141 | movzx ebx, bl |
153 | movzx ebx, bl |
142 | ; redirect to V86 manager? (EFLAGS & 0x20000) != 0? |
154 | ; redirect to V86 manager? (EFLAGS & 0x20000) != 0? |
143 | test byte[reg_eflags+2], 2 |
155 | test byte[reg_eflags+2], 2 |
144 | jnz v86_exc_c |
156 | jnz v86_exc_c |
145 | cmp bl, 14 ; #PF |
157 | cmp bl, 14 ; #PF |
146 | jne @f |
158 | jne @f |
147 | call page_fault_handler ; SEE: core/memory.inc |
159 | call page_fault_handler ; SEE: core/memory.inc |
148 | @@: |
160 | @@: |
149 | mov esi, [current_slot] |
161 | mov esi, [current_slot] |
150 | btr [esi + APPDATA.except_mask], ebx |
162 | btr [esi + APPDATA.except_mask], ebx |
151 | jnc @f |
163 | jnc @f |
152 | mov eax, [esi + APPDATA.exc_handler] |
164 | mov eax, [esi + APPDATA.exc_handler] |
153 | test eax, eax |
165 | test eax, eax |
154 | jnz IRetToUserHook |
166 | jnz IRetToUserHook |
155 | @@: |
167 | @@: |
156 | cli |
168 | cli |
157 | mov eax, [esi + APPDATA.debugger_slot] |
169 | mov eax, [esi + APPDATA.debugger_slot] |
158 | test eax, eax |
170 | test eax, eax |
159 | jnz .debug |
171 | jnz .debug |
160 | ; not debuggee => say error and terminate |
172 | ; not debuggee => say error and terminate |
161 | call show_error_parameters ; this function output in edx = current_slot |
173 | call show_error_parameters ; this function output in edx = current_slot |
162 | sti |
174 | sti |
163 | mov [edx + APPDATA.state], TSTATE_TERMINATING |
175 | mov [edx + APPDATA.state], TSTATE_TERMINATING |
164 | call wakeup_osloop |
176 | call wakeup_osloop |
165 | call change_task |
177 | call change_task |
166 | ; If we're here, then the main OS thread has crashed before initializing IDLE thread. |
178 | ; If we're here, then the main OS thread has crashed before initializing IDLE thread. |
167 | ; Or they both have crashed. Anyway, things are hopelessly broken. |
179 | ; Or they both have crashed. Anyway, things are hopelessly broken. |
168 | hlt |
180 | hlt |
169 | jmp $-1 |
181 | jmp $-1 |
170 | .debug: |
182 | .debug: |
171 | ; we are debugged process, notify debugger and suspend ourself |
183 | ; we are debugged process, notify debugger and suspend ourself |
172 | ; eax=debugger PID |
184 | ; eax=debugger PID |
173 | mov ecx, 1 ; debug_message code=other_exception |
185 | mov ecx, 1 ; debug_message code=other_exception |
174 | cmp bl, 1 ; #DB |
186 | cmp bl, 1 ; #DB |
175 | jne .notify ; notify debugger and suspend ourself |
187 | jne .notify ; notify debugger and suspend ourself |
176 | mov ebx, dr6 ; debug_message data=DR6_image |
188 | mov ebx, dr6 ; debug_message data=DR6_image |
177 | xor edx, edx |
189 | xor edx, edx |
178 | mov dr6, edx |
190 | mov dr6, edx |
179 | mov edx, dr7 |
191 | mov edx, dr7 |
180 | mov cl, not 8 |
192 | mov cl, not 8 |
181 | .l1: |
193 | .l1: |
182 | shl dl, 2 |
194 | shl dl, 2 |
183 | jc @f |
195 | jc @f |
184 | and bl, cl |
196 | and bl, cl |
185 | @@: |
197 | @@: |
186 | sar cl, 1 |
198 | sar cl, 1 |
187 | jc .l1 |
199 | jc .l1 |
188 | mov cl, 3 ; debug_message code=debug_exception |
200 | mov cl, 3 ; debug_message code=debug_exception |
189 | .notify: |
201 | .notify: |
190 | push ebx ; debug_message data |
202 | push ebx ; debug_message data |
191 | mov ebx, [current_slot] |
203 | mov ebx, [current_slot] |
192 | push [ebx + APPDATA.tid] ; PID |
204 | push [ebx + APPDATA.tid] ; PID |
193 | push ecx ; debug_message code ((here: ecx==1/3)) |
205 | push ecx ; debug_message code ((here: ecx==1/3)) |
194 | mov cl, 12 ; debug_message size |
206 | mov cl, 12 ; debug_message size |
195 | call debugger_notify ;; only ONE using, inline ??? SEE: core/debug.inc |
207 | call debugger_notify ;; only ONE using, inline ??? SEE: core/debug.inc |
196 | add esp, 12 |
208 | add esp, 12 |
197 | mov edx, [current_slot] |
209 | mov edx, [current_slot] |
198 | mov [edx + APPDATA.state], TSTATE_RUN_SUSPENDED |
210 | mov [edx + APPDATA.state], TSTATE_RUN_SUSPENDED |
199 | call change_task ; SEE: core/shed.inc |
211 | call change_task ; SEE: core/shed.inc |
200 | restore_ring3_context |
212 | restore_ring3_context |
201 | iretd |
213 | iretd |
202 | 214 | ||
203 | IRetToUserHook: |
215 | IRetToUserHook: |
204 | cmp ebx, 12 |
216 | cmp ebx, 12 |
205 | je .ex_stack |
217 | je .ex_stack |
206 | cmp ebx, 14 |
218 | cmp ebx, 14 |
207 | jne .nostack |
219 | jne .nostack |
208 | mov ecx, cr2 |
220 | mov ecx, cr2 |
209 | sub ecx, [reg_esp3] |
221 | sub ecx, [reg_esp3] |
210 | jg .nostack |
222 | jg .nostack |
211 | add ecx, 1000h |
223 | add ecx, 1000h |
212 | jl .nostack |
224 | jl .nostack |
213 | .ex_stack: |
225 | .ex_stack: |
214 | xor ecx, ecx |
- | |
215 | mov ecx, [ecx+APP_HEADER_01_.except_stack_top] |
226 | mov ecx, [esi+APPDATA.exc_reserve_stack] |
216 | test ecx, ecx |
227 | test ecx, ecx |
217 | jle .nostack |
228 | jle .nostack |
218 | xchg edi, eax |
229 | xchg edi, eax |
219 | sub ecx, sizeof.EXCEPT_STACK |
230 | sub ecx, sizeof.EXCEPT_STACK |
220 | push ebx |
231 | push ebx |
221 | push 1 |
232 | push 1 |
222 | pop ebx |
233 | pop ebx |
223 | .lock: |
234 | .lock: |
224 | lock bts [ecx+EXCEPT_STACK.LockAccess], 0 |
235 | lock bts [ecx+EXCEPT_STACK.LockAccess], 0 |
225 | jnc .lock1 |
236 | jnc .lock1 |
226 | call delay_hs_unprotected |
237 | call delay_hs_unprotected |
227 | jmp .lock |
238 | jmp .lock |
228 | .lock1: |
239 | .lock1: |
229 | pop ebx |
240 | pop ebx |
230 | cmp ebx, 14 |
241 | cmp ebx, 14 |
231 | jne .ex12 |
242 | jne .ex12 |
232 | btr [esi+APPDATA.except_mask], 12 |
243 | btr [esi+APPDATA.except_mask], 12 |
233 | jc .ex_stack1 |
244 | jc .ex_stack1 |
234 | xchg eax, edi |
245 | xchg eax, edi |
235 | jmp .nostack |
246 | jmp .nostack |
236 | .ex_stack1: |
247 | .ex_stack1: |
237 | bts [esi+APPDATA.except_mask], ebx |
248 | bts [esi+APPDATA.except_mask], ebx |
238 | dec ebx |
249 | dec ebx |
239 | dec ebx |
250 | dec ebx |
240 | .ex12: |
251 | .ex12: |
241 | mov [ecx+EXCEPT_STACK.ExcCode], ebx |
252 | mov [ecx+EXCEPT_STACK.ExcCode], ebx |
242 | mov eax, ecx |
253 | mov eax, ecx |
243 | xchg [reg_esp3], eax |
254 | xchg [reg_esp3], eax |
244 | mov [ecx+EXCEPT_STACK.OldESP], eax |
255 | mov [ecx+EXCEPT_STACK.OldESP], eax |
245 | mov eax, cr2 |
256 | mov eax, cr2 |
246 | mov [ecx+EXCEPT_STACK.RegCR2], eax |
257 | mov [ecx+EXCEPT_STACK.RegCR2], eax |
247 | xchg edi, [reg_eip] |
258 | xchg edi, [reg_eip] |
248 | mov [ecx+EXCEPT_STACK.RegEIP], edi |
259 | mov [ecx+EXCEPT_STACK.RegEIP], edi |
249 | jmp .end |
260 | jmp .end |
250 | .nostack: |
261 | .nostack: |
251 | xchg eax, [reg_eip] |
262 | xchg eax, [reg_eip] |
252 | sub dword[reg_esp3], 8 |
263 | sub dword[reg_esp3], 8 |
253 | mov edi, [reg_esp3] |
264 | mov edi, [reg_esp3] |
254 | stosd |
265 | stosd |
255 | mov [edi], ebx |
266 | mov [edi], ebx |
256 | .end: |
267 | .end: |
257 | restore_ring3_context |
268 | restore_ring3_context |
258 | ; simply return control to interrupted process |
269 | ; simply return control to interrupted process |
259 | unknown_interrupt: |
270 | unknown_interrupt: |
260 | iretd |
271 | iretd |
261 | 272 | ||
262 | ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
273 | ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
263 | ; bl - error vector |
274 | ; bl - error vector |
264 | show_error_parameters: |
275 | show_error_parameters: |
265 | cmp bl, 0x06 |
276 | cmp bl, 0x06 |
266 | jnz .no_ud |
277 | jnz .no_ud |
267 | push ebx |
278 | push ebx |
268 | mov ebx, ud_user_message |
279 | mov ebx, ud_user_message |
269 | mov ebp, notifyapp |
280 | mov ebp, notifyapp |
270 | call fs_execute_from_sysdir_param |
281 | call fs_execute_from_sysdir_param |
271 | pop ebx |
282 | pop ebx |
272 | .no_ud: |
283 | .no_ud: |
273 | mov edx, [current_slot];not scratched below |
284 | mov edx, [current_slot];not scratched below |
274 | if lang eq sp |
285 | if lang eq sp |
275 | DEBUGF 1, "K : Proceso - terminado forzado PID: %x [%s]\n", [edx + APPDATA.tid], [current_slot] |
286 | DEBUGF 1, "K : Proceso - terminado forzado PID: %x [%s]\n", [edx + APPDATA.tid], [current_slot] |
276 | else |
287 | else |
277 | DEBUGF 1, "K : Process - forced terminate PID: %x [%s]\n", [edx + APPDATA.tid], [current_slot] |
288 | DEBUGF 1, "K : Process - forced terminate PID: %x [%s]\n", [edx + APPDATA.tid], [current_slot] |
278 | end if |
289 | end if |
279 | cmp bl, 0x08 |
290 | cmp bl, 0x08 |
280 | jb .l0 |
291 | jb .l0 |
281 | cmp bl, 0x11 |
292 | cmp bl, 0x11 |
282 | jbe .l1 |
293 | jbe .l1 |
283 | .l0: |
294 | .l0: |
284 | mov bl, 0x09 |
295 | mov bl, 0x09 |
285 | .l1: |
296 | .l1: |
286 | mov eax, [msg_fault_sel+ebx*4 - 0x08*4] |
297 | mov eax, [msg_fault_sel+ebx*4 - 0x08*4] |
287 | DEBUGF 1, "K : %s\n", eax |
298 | DEBUGF 1, "K : %s\n", eax |
288 | mov eax, [reg_cs3+4] |
299 | mov eax, [reg_cs3+4] |
289 | mov edi, msg_sel_app |
300 | mov edi, msg_sel_app |
290 | mov ebx, [reg_esp3+4] |
301 | mov ebx, [reg_esp3+4] |
291 | cmp eax, app_code |
302 | cmp eax, app_code |
292 | je @f |
303 | je @f |
293 | mov edi, msg_sel_ker |
304 | mov edi, msg_sel_ker |
294 | mov ebx, [reg_esp0+4] |
305 | mov ebx, [reg_esp0+4] |
295 | @@: |
306 | @@: |
296 | DEBUGF 1, "K : EAX : %x EBX : %x ECX : %x\n", [reg_eax+4], [reg_ebx+4], [reg_ecx+4] |
307 | DEBUGF 1, "K : EAX : %x EBX : %x ECX : %x\n", [reg_eax+4], [reg_ebx+4], [reg_ecx+4] |
297 | DEBUGF 1, "K : EDX : %x ESI : %x EDI : %x\n", [reg_edx+4], [reg_esi+4], [reg_edi+4] |
308 | DEBUGF 1, "K : EDX : %x ESI : %x EDI : %x\n", [reg_edx+4], [reg_esi+4], [reg_edi+4] |
298 | DEBUGF 1, "K : EBP : %x EIP : %x ESP : %x\n", [reg_ebp+4], [reg_eip+4], ebx |
309 | DEBUGF 1, "K : EBP : %x EIP : %x ESP : %x\n", [reg_ebp+4], [reg_eip+4], ebx |
299 | DEBUGF 1, "K : Flags : %x CS : %x (%s)\n", [reg_eflags+4], eax, edi |
310 | DEBUGF 1, "K : Flags : %x CS : %x (%s)\n", [reg_eflags+4], eax, edi |
300 | 311 | ||
301 | DEBUGF 1, "K : Stack dump:\n" |
312 | DEBUGF 1, "K : Stack dump:\n" |
302 | push eax ebx ecx edx |
313 | push eax ebx ecx edx |
303 | call .check_ESP |
314 | call .check_ESP |
304 | test eax, eax |
315 | test eax, eax |
305 | jnz .error_ESP |
316 | jnz .error_ESP |
306 | DEBUGF 1, "K : [ESP+00]: %x",[ebx] |
317 | DEBUGF 1, "K : [ESP+00]: %x",[ebx] |
307 | add ebx, 4 |
318 | add ebx, 4 |
308 | call .check_ESP |
319 | call .check_ESP |
309 | test eax, eax |
320 | test eax, eax |
310 | jnz .error_ESP |
321 | jnz .error_ESP |
311 | DEBUGF 1, " [ESP+04]: %x",[ebx] |
322 | DEBUGF 1, " [ESP+04]: %x",[ebx] |
312 | add ebx, 4 |
323 | add ebx, 4 |
313 | call .check_ESP |
324 | call .check_ESP |
314 | test eax, eax |
325 | test eax, eax |
315 | jnz .error_ESP |
326 | jnz .error_ESP |
316 | DEBUGF 1, " [ESP+08]: %x\n",[ebx] |
327 | DEBUGF 1, " [ESP+08]: %x\n",[ebx] |
317 | add ebx, 4 |
328 | add ebx, 4 |
318 | call .check_ESP |
329 | call .check_ESP |
319 | test eax, eax |
330 | test eax, eax |
320 | jnz .error_ESP |
331 | jnz .error_ESP |
321 | DEBUGF 1, "K : [ESP+12]: %x",[ebx] |
332 | DEBUGF 1, "K : [ESP+12]: %x",[ebx] |
322 | add ebx, 4 |
333 | add ebx, 4 |
323 | call .check_ESP |
334 | call .check_ESP |
324 | test eax, eax |
335 | test eax, eax |
325 | jnz .error_ESP |
336 | jnz .error_ESP |
326 | DEBUGF 1, " [ESP+16]: %x",[ebx] |
337 | DEBUGF 1, " [ESP+16]: %x",[ebx] |
327 | add ebx, 4 |
338 | add ebx, 4 |
328 | call .check_ESP |
339 | call .check_ESP |
329 | test eax, eax |
340 | test eax, eax |
330 | jnz .error_ESP |
341 | jnz .error_ESP |
331 | DEBUGF 1, " [ESP+20]: %x\n",[ebx] |
342 | DEBUGF 1, " [ESP+20]: %x\n",[ebx] |
332 | add ebx, 4 |
343 | add ebx, 4 |
333 | call .check_ESP |
344 | call .check_ESP |
334 | test eax, eax |
345 | test eax, eax |
335 | jnz .error_ESP |
346 | jnz .error_ESP |
336 | DEBUGF 1, "K : [ESP+24]: %x",[ebx] |
347 | DEBUGF 1, "K : [ESP+24]: %x",[ebx] |
337 | add ebx, 4 |
348 | add ebx, 4 |
338 | call .check_ESP |
349 | call .check_ESP |
339 | test eax, eax |
350 | test eax, eax |
340 | jnz .error_ESP |
351 | jnz .error_ESP |
341 | DEBUGF 1, " [ESP+28]: %x",[ebx] |
352 | DEBUGF 1, " [ESP+28]: %x",[ebx] |
342 | add ebx, 4 |
353 | add ebx, 4 |
343 | call .check_ESP |
354 | call .check_ESP |
344 | test eax, eax |
355 | test eax, eax |
345 | jnz .error_ESP |
356 | jnz .error_ESP |
346 | DEBUGF 1, " [ESP+32]: %x\n",[ebx] |
357 | DEBUGF 1, " [ESP+32]: %x\n",[ebx] |
347 | pop edx ecx ebx eax |
358 | pop edx ecx ebx eax |
348 | ret |
359 | ret |
349 | .error_ESP: |
360 | .error_ESP: |
350 | pop edx ecx ebx eax |
361 | pop edx ecx ebx eax |
351 | DEBUGF 1, "\n" |
362 | DEBUGF 1, "\n" |
352 | DEBUGF 1, "K : Unexpected end of the stack\n" |
363 | DEBUGF 1, "K : Unexpected end of the stack\n" |
353 | ret |
364 | ret |
354 | ;-------------------------------------- |
365 | ;-------------------------------------- |
355 | .check_ESP: |
366 | .check_ESP: |
356 | push ebx |
367 | push ebx |
357 | shr ebx, 12 |
368 | shr ebx, 12 |
358 | mov ecx, ebx |
369 | mov ecx, ebx |
359 | shr ecx, 10 |
370 | shr ecx, 10 |
360 | mov edx, [master_tab + ecx*4] |
371 | mov edx, [master_tab + ecx*4] |
361 | test edx, PG_READ |
372 | test edx, PG_READ |
362 | jz .fail ; page table is not created |
373 | jz .fail ; page table is not created |
363 | ; incorrect address in the program |
374 | ; incorrect address in the program |
364 | 375 | ||
365 | mov eax, [page_tabs + ebx*4] |
376 | mov eax, [page_tabs + ebx*4] |
366 | test eax, 2 |
377 | test eax, 2 |
367 | jz .fail ; address not reserved for use. error |
378 | jz .fail ; address not reserved for use. error |
368 | 379 | ||
369 | pop ebx |
380 | pop ebx |
370 | xor eax, eax |
381 | xor eax, eax |
371 | ret |
382 | ret |
372 | 383 | ||
373 | .fail: |
384 | .fail: |
374 | pop ebx |
385 | pop ebx |
375 | xor eax, eax |
386 | xor eax, eax |
376 | dec eax |
387 | dec eax |
377 | ret |
388 | ret |
378 | ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
389 | ;-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
379 | 390 | ||
380 | restore reg_ss |
391 | restore reg_ss |
381 | restore reg_esp3 |
392 | restore reg_esp3 |
382 | restore reg_eflags |
393 | restore reg_eflags |
383 | restore reg_cs |
394 | restore reg_cs |
384 | restore reg_eip |
395 | restore reg_eip |
385 | restore reg_eax |
396 | restore reg_eax |
386 | restore reg_ecx |
397 | restore reg_ecx |
387 | restore reg_edx |
398 | restore reg_edx |
388 | restore reg_ebx |
399 | restore reg_ebx |
389 | restore reg_esp0 |
400 | restore reg_esp0 |
390 | restore reg_ebp |
401 | restore reg_ebp |
391 | restore reg_esi |
402 | restore reg_esi |
392 | restore reg_edi |
403 | restore reg_edi |
393 | 404 | ||
394 | 405 | ||
395 | align 4 |
406 | align 4 |
396 | lock_application_table: |
407 | lock_application_table: |
397 | push eax ecx edx |
408 | push eax ecx edx |
398 | mov ecx, application_table_mutex |
409 | mov ecx, application_table_mutex |
399 | call mutex_lock |
410 | call mutex_lock |
400 | 411 | ||
401 | mov eax, [current_slot] |
412 | mov eax, [current_slot] |
402 | mov eax, [eax + APPDATA.tid] |
413 | mov eax, [eax + APPDATA.tid] |
403 | 414 | ||
404 | mov [application_table_owner], eax |
415 | mov [application_table_owner], eax |
405 | 416 | ||
406 | pop edx ecx eax |
417 | pop edx ecx eax |
407 | 418 | ||
408 | ret |
419 | ret |
409 | 420 | ||
410 | align 4 |
421 | align 4 |
411 | unlock_application_table: |
422 | unlock_application_table: |
412 | push eax ecx edx |
423 | push eax ecx edx |
413 | 424 | ||
414 | mov [application_table_owner], 0 |
425 | mov [application_table_owner], 0 |
415 | mov ecx, application_table_mutex |
426 | mov ecx, application_table_mutex |
416 | call mutex_unlock |
427 | call mutex_unlock |
417 | 428 | ||
418 | pop edx ecx eax |
429 | pop edx ecx eax |
419 | 430 | ||
420 | ret |
431 | ret |
421 | 432 | ||
422 | ; sysfn 64 implementation |
433 | ; sysfn 64 implementation |
423 | align 4 |
434 | align 4 |
424 | sys_resize_app_memory: |
435 | sys_resize_app_memory: |
425 | ; in: eax = 64 - function number |
436 | ; in: eax = 64 - function number |
426 | ; ebx = 1 - number of its only subfunction |
437 | ; ebx = 1 - number of its only subfunction |
427 | ; ecx = new amount of memory |
438 | ; ecx = new amount of memory |
428 | ; out: |
439 | ; out: |
429 | ; eax = 0 - success |
440 | ; eax = 0 - success |
430 | ; eax = 1 - out of memory |
441 | ; eax = 1 - out of memory |
431 | 442 | ||
432 | ; cmp eax,1 |
443 | ; cmp eax,1 |
433 | dec ebx |
444 | dec ebx |
434 | jnz .no_application_mem_resize |
445 | jnz .no_application_mem_resize |
435 | 446 | ||
436 | mov eax, [pg_data.pages_free] |
447 | mov eax, [pg_data.pages_free] |
437 | shl eax, 12 |
448 | shl eax, 12 |
438 | cmp eax, ecx |
449 | cmp eax, ecx |
439 | jae @f |
450 | jae @f |
440 | 451 | ||
441 | xor eax, eax |
452 | xor eax, eax |
442 | inc eax |
453 | inc eax |
443 | jmp .store_result |
454 | jmp .store_result |
444 | @@: |
455 | @@: |
445 | stdcall new_mem_resize, ecx |
456 | stdcall new_mem_resize, ecx |
446 | .store_result: |
457 | .store_result: |
447 | mov [esp + SYSCALL_STACK.eax], eax |
458 | mov [esp + SYSCALL_STACK.eax], eax |
448 | .no_application_mem_resize: |
459 | .no_application_mem_resize: |
449 | ret |
460 | ret |
450 | 461 | ||
451 | iglobal |
462 | iglobal |
452 | ; process_terminating db 'K : Process - terminating',13,10,0 |
463 | ; process_terminating db 'K : Process - terminating',13,10,0 |
453 | ; process_terminated db 'K : Process - done',13,10,0 |
464 | ; process_terminated db 'K : Process - done',13,10,0 |
454 | msg_obj_destroy db 'K : destroy app object',13,10,0 |
465 | msg_obj_destroy db 'K : destroy app object',13,10,0 |
455 | endg |
466 | endg |
456 | 467 | ||
457 | ; param |
468 | ; param |
458 | ; esi= slot |
469 | ; esi= slot |
459 | 470 | ||
460 | align 4 |
471 | align 4 |
461 | terminate: ; terminate application |
472 | terminate: ; terminate application |
462 | destroy_thread: |
473 | destroy_thread: |
463 | 474 | ||
464 | .slot equ esp+4 ;locals |
475 | .slot equ esp+4 ;locals |
465 | .process equ esp ;ptr to parent process |
476 | .process equ esp ;ptr to parent process |
466 | 477 | ||
467 | 478 | ||
468 | push esi ;save .slot |
479 | push esi ;save .slot |
469 | 480 | ||
470 | shl esi, BSF sizeof.APPDATA |
481 | shl esi, BSF sizeof.APPDATA |
471 | mov edx, [SLOT_BASE + esi + APPDATA.process] |
482 | mov edx, [SLOT_BASE + esi + APPDATA.process] |
472 | test edx, edx |
483 | test edx, edx |
473 | jnz @F |
484 | jnz @F |
474 | mov [SLOT_BASE + esi + APPDATA.state], TSTATE_FREE |
485 | mov [SLOT_BASE + esi + APPDATA.state], TSTATE_FREE |
475 | pop esi |
486 | pop esi |
476 | ret |
487 | ret |
477 | @@: |
488 | @@: |
478 | push edx ;save .process |
489 | push edx ;save .process |
479 | lea edx, [SLOT_BASE + esi] |
490 | lea edx, [SLOT_BASE + esi] |
480 | call scheduler_remove_thread |
491 | call scheduler_remove_thread |
481 | call lock_application_table |
492 | call lock_application_table |
482 | 493 | ||
483 | ; if the process is in V86 mode... |
494 | ; if the process is in V86 mode... |
484 | mov eax, [.slot] |
495 | mov eax, [.slot] |
485 | shl eax, BSF sizeof.APPDATA |
496 | shl eax, BSF sizeof.APPDATA |
486 | mov esi, [SLOT_BASE + eax + APPDATA.pl0_stack] |
497 | mov esi, [SLOT_BASE + eax + APPDATA.pl0_stack] |
487 | add esi, RING0_STACK_SIZE |
498 | add esi, RING0_STACK_SIZE |
488 | cmp [SLOT_BASE + eax + APPDATA.saved_esp0], esi |
499 | cmp [SLOT_BASE + eax + APPDATA.saved_esp0], esi |
489 | jz .nov86 |
500 | jz .nov86 |
490 | ; ...it has page directory for V86 mode |
501 | ; ...it has page directory for V86 mode |
491 | mov esi, [SLOT_BASE + eax + APPDATA.saved_esp0] |
502 | mov esi, [SLOT_BASE + eax + APPDATA.saved_esp0] |
492 | mov ecx, [esi+4] |
503 | mov ecx, [esi+4] |
493 | mov [SLOT_BASE + eax + APPDATA.process], ecx |
504 | mov [SLOT_BASE + eax + APPDATA.process], ecx |
494 | ; ...and I/O permission map for V86 mode |
505 | ; ...and I/O permission map for V86 mode |
495 | mov ecx, [esi+12] |
506 | mov ecx, [esi+12] |
496 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
507 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
497 | mov ecx, [esi+8] |
508 | mov ecx, [esi+8] |
498 | mov [SLOT_BASE + eax + APPDATA.io_map+4], ecx |
509 | mov [SLOT_BASE + eax + APPDATA.io_map+4], ecx |
499 | .nov86: |
510 | .nov86: |
500 | ; destroy per-thread kernel objects |
511 | ; destroy per-thread kernel objects |
501 | mov esi, [.slot] |
512 | mov esi, [.slot] |
502 | shl esi, BSF sizeof.APPDATA |
513 | shl esi, BSF sizeof.APPDATA |
503 | add esi, SLOT_BASE + APP_OBJ_OFFSET |
514 | add esi, SLOT_BASE + APP_OBJ_OFFSET |
504 | @@: |
515 | @@: |
505 | mov eax, [esi + APPOBJ.fd] |
516 | mov eax, [esi + APPOBJ.fd] |
506 | test eax, eax |
517 | test eax, eax |
507 | jz @F |
518 | jz @F |
508 | 519 | ||
509 | cmp eax, esi |
520 | cmp eax, esi |
510 | je @F |
521 | je @F |
511 | 522 | ||
512 | push esi |
523 | push esi |
513 | call [eax + APPOBJ.destroy] |
524 | call [eax + APPOBJ.destroy] |
514 | DEBUGF 1,"%s",msg_obj_destroy |
525 | DEBUGF 1,"%s",msg_obj_destroy |
515 | pop esi |
526 | pop esi |
516 | jmp @B |
527 | jmp @B |
517 | @@: |
528 | @@: |
518 | mov esi, [.slot] |
529 | mov esi, [.slot] |
519 | cmp [fpu_owner], esi ; if user fpu last -> fpu user = 2 |
530 | cmp [fpu_owner], esi ; if user fpu last -> fpu user = 2 |
520 | jne @F |
531 | jne @F |
521 | 532 | ||
522 | mov [fpu_owner], 2 |
533 | mov [fpu_owner], 2 |
523 | mov eax, [SLOT_BASE + sizeof.APPDATA*2 + APPDATA.fpu_state] |
534 | mov eax, [SLOT_BASE + sizeof.APPDATA*2 + APPDATA.fpu_state] |
524 | clts |
535 | clts |
525 | bt [cpu_caps], CAPS_SSE |
536 | bt [cpu_caps], CAPS_SSE |
526 | jnc .no_SSE |
537 | jnc .no_SSE |
527 | fxrstor [eax] |
538 | fxrstor [eax] |
528 | jmp @F |
539 | jmp @F |
529 | .no_SSE: |
540 | .no_SSE: |
530 | fnclex |
541 | fnclex |
531 | frstor [eax] |
542 | frstor [eax] |
532 | @@: |
543 | @@: |
533 | 544 | ||
534 | mov [KEY_COUNT], byte 0 ; empty keyboard buffer |
545 | mov [KEY_COUNT], byte 0 ; empty keyboard buffer |
535 | mov [BTN_COUNT], byte 0 ; empty button buffer |
546 | mov [BTN_COUNT], byte 0 ; empty button buffer |
536 | 547 | ||
537 | 548 | ||
538 | ; remove defined hotkeys |
549 | ; remove defined hotkeys |
539 | mov eax, hotkey_list |
550 | mov eax, hotkey_list |
540 | .loop: |
551 | .loop: |
541 | cmp [eax+8], esi |
552 | cmp [eax+8], esi |
542 | jnz .cont |
553 | jnz .cont |
543 | mov ecx, [eax] |
554 | mov ecx, [eax] |
544 | jecxz @f |
555 | jecxz @f |
545 | push dword [eax+12] |
556 | push dword [eax+12] |
546 | pop dword [ecx+12] |
557 | pop dword [ecx+12] |
547 | @@: |
558 | @@: |
548 | mov ecx, [eax+12] |
559 | mov ecx, [eax+12] |
549 | push dword [eax] |
560 | push dword [eax] |
550 | pop dword [ecx] |
561 | pop dword [ecx] |
551 | xor ecx, ecx |
562 | xor ecx, ecx |
552 | mov [eax], ecx |
563 | mov [eax], ecx |
553 | mov [eax+4], ecx |
564 | mov [eax+4], ecx |
554 | mov [eax+8], ecx |
565 | mov [eax+8], ecx |
555 | mov [eax+12], ecx |
566 | mov [eax+12], ecx |
556 | .cont: |
567 | .cont: |
557 | add eax, 16 |
568 | add eax, 16 |
558 | cmp eax, hotkey_list+256*16 |
569 | cmp eax, hotkey_list+256*16 |
559 | jb .loop |
570 | jb .loop |
560 | ; get process PID |
571 | ; get process PID |
561 | mov eax, esi |
572 | mov eax, esi |
562 | shl eax, BSF sizeof.APPDATA |
573 | shl eax, BSF sizeof.APPDATA |
563 | mov eax, [eax + SLOT_BASE + APPDATA.tid] |
574 | mov eax, [eax + SLOT_BASE + APPDATA.tid] |
564 | ; compare current lock input with process PID |
575 | ; compare current lock input with process PID |
565 | cmp eax, [PID_lock_input] |
576 | cmp eax, [PID_lock_input] |
566 | jne @f |
577 | jne @f |
567 | 578 | ||
568 | xor eax, eax |
579 | xor eax, eax |
569 | mov [PID_lock_input], eax |
580 | mov [PID_lock_input], eax |
570 | @@: |
581 | @@: |
571 | ; remove hotkeys in buffer |
582 | ; remove hotkeys in buffer |
572 | mov eax, hotkey_buffer |
583 | mov eax, hotkey_buffer |
573 | .loop2: |
584 | .loop2: |
574 | cmp [eax], esi |
585 | cmp [eax], esi |
575 | jnz .cont2 |
586 | jnz .cont2 |
576 | and dword [eax+4], 0 |
587 | and dword [eax+4], 0 |
577 | and dword [eax], 0 |
588 | and dword [eax], 0 |
578 | .cont2: |
589 | .cont2: |
579 | add eax, 8 |
590 | add eax, 8 |
580 | cmp eax, hotkey_buffer+120*8 |
591 | cmp eax, hotkey_buffer+120*8 |
581 | jb .loop2 |
592 | jb .loop2 |
582 | 593 | ||
583 | mov ecx, esi ; remove buttons |
594 | mov ecx, esi ; remove buttons |
584 | .bnewba2: |
595 | .bnewba2: |
585 | mov edi, [BTN_ADDR] |
596 | mov edi, [BTN_ADDR] |
586 | mov eax, edi |
597 | mov eax, edi |
587 | cld |
598 | cld |
588 | movzx ebx, word [edi] |
599 | movzx ebx, word [edi] |
589 | inc bx |
600 | inc bx |
590 | .bnewba: |
601 | .bnewba: |
591 | dec bx |
602 | dec bx |
592 | jz .bnmba |
603 | jz .bnmba |
593 | add eax, 0x10 |
604 | add eax, 0x10 |
594 | cmp cx, [eax] |
605 | cmp cx, [eax] |
595 | jnz .bnewba |
606 | jnz .bnewba |
596 | pusha |
607 | pusha |
597 | mov ecx, ebx |
608 | mov ecx, ebx |
598 | inc ecx |
609 | inc ecx |
599 | shl ecx, 4 |
610 | shl ecx, 4 |
600 | mov ebx, eax |
611 | mov ebx, eax |
601 | add eax, 0x10 |
612 | add eax, 0x10 |
602 | call memmove |
613 | call memmove |
603 | dec dword [edi] |
614 | dec dword [edi] |
604 | popa |
615 | popa |
605 | jmp .bnewba2 |
616 | jmp .bnewba2 |
606 | .bnmba: |
617 | .bnmba: |
607 | 618 | ||
608 | pusha ; save window coordinates for window restoring |
619 | pusha ; save window coordinates for window restoring |
609 | cld |
620 | cld |
610 | shl esi, BSF sizeof.WDATA |
621 | shl esi, BSF sizeof.WDATA |
611 | add esi, window_data |
622 | add esi, window_data |
612 | mov eax, [esi + WDATA.box.left] |
623 | mov eax, [esi + WDATA.box.left] |
613 | mov [draw_limits.left], eax |
624 | mov [draw_limits.left], eax |
614 | add eax, [esi + WDATA.box.width] |
625 | add eax, [esi + WDATA.box.width] |
615 | mov [draw_limits.right], eax |
626 | mov [draw_limits.right], eax |
616 | mov eax, [esi + WDATA.box.top] |
627 | mov eax, [esi + WDATA.box.top] |
617 | mov [draw_limits.top], eax |
628 | mov [draw_limits.top], eax |
618 | add eax, [esi + WDATA.box.height] |
629 | add eax, [esi + WDATA.box.height] |
619 | mov [draw_limits.bottom], eax |
630 | mov [draw_limits.bottom], eax |
620 | 631 | ||
621 | xor eax, eax |
632 | xor eax, eax |
622 | mov edi, esi |
633 | mov edi, esi |
623 | mov ecx, sizeof.WDATA/4 |
634 | mov ecx, sizeof.WDATA/4 |
624 | rep stosd |
635 | rep stosd |
625 | popa |
636 | popa |
626 | 637 | ||
627 | ; debuggee test |
638 | ; debuggee test |
628 | pushad |
639 | pushad |
629 | mov edi, esi |
640 | mov edi, esi |
630 | shl edi, BSF sizeof.APPDATA |
641 | shl edi, BSF sizeof.APPDATA |
631 | mov eax, [SLOT_BASE + edi + APPDATA.debugger_slot] |
642 | mov eax, [SLOT_BASE + edi + APPDATA.debugger_slot] |
632 | test eax, eax |
643 | test eax, eax |
633 | jz .nodebug |
644 | jz .nodebug |
634 | movi ecx, 8 |
645 | movi ecx, 8 |
635 | push dword [SLOT_BASE + edi + APPDATA.tid]; PID |
646 | push dword [SLOT_BASE + edi + APPDATA.tid]; PID |
636 | push 2 |
647 | push 2 |
637 | call debugger_notify |
648 | call debugger_notify |
638 | pop ecx |
649 | pop ecx |
639 | pop ecx |
650 | pop ecx |
640 | .nodebug: |
651 | .nodebug: |
641 | popad |
652 | popad |
642 | 653 | ||
643 | mov ebx, [.slot] |
654 | mov ebx, [.slot] |
644 | shl ebx, BSF sizeof.APPDATA |
655 | shl ebx, BSF sizeof.APPDATA |
645 | push ebx |
656 | push ebx |
646 | mov ebx, [SLOT_BASE + ebx + APPDATA.pl0_stack] |
657 | mov ebx, [SLOT_BASE + ebx + APPDATA.pl0_stack] |
647 | 658 | ||
648 | stdcall kernel_free, ebx |
659 | stdcall kernel_free, ebx |
649 | 660 | ||
650 | pop ebx |
661 | pop ebx |
651 | mov ebx, [SLOT_BASE + ebx + APPDATA.cur_dir] |
662 | mov ebx, [SLOT_BASE + ebx + APPDATA.cur_dir] |
652 | stdcall kernel_free, ebx |
663 | stdcall kernel_free, ebx |
653 | 664 | ||
654 | mov edi, [.slot] |
665 | mov edi, [.slot] |
655 | shl edi, BSF sizeof.APPDATA |
666 | shl edi, BSF sizeof.APPDATA |
656 | add edi, SLOT_BASE |
667 | add edi, SLOT_BASE |
657 | 668 | ||
658 | mov eax, [edi + APPDATA.io_map] |
669 | mov eax, [edi + APPDATA.io_map] |
659 | cmp eax, [SLOT_BASE + sizeof.APPDATA+APPDATA.io_map] |
670 | cmp eax, [SLOT_BASE + sizeof.APPDATA+APPDATA.io_map] |
660 | je @F |
671 | je @F |
661 | call free_page |
672 | call free_page |
662 | @@: |
673 | @@: |
663 | mov eax, [edi+APPDATA.io_map+4] |
674 | mov eax, [edi+APPDATA.io_map+4] |
664 | cmp eax, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map+4] |
675 | cmp eax, [SLOT_BASE+sizeof.APPDATA+APPDATA.io_map+4] |
665 | je @F |
676 | je @F |
666 | call free_page |
677 | call free_page |
667 | @@: |
678 | @@: |
668 | lea ebx, [edi + APPDATA.list] |
679 | lea ebx, [edi + APPDATA.list] |
669 | list_del ebx ;destroys edx, ecx |
680 | list_del ebx ;destroys edx, ecx |
670 | 681 | ||
671 | ; activate window |
682 | ; activate window |
672 | movzx eax, word [WIN_STACK + esi*2] |
683 | movzx eax, word [WIN_STACK + esi*2] |
673 | cmp eax, [thread_count] |
684 | cmp eax, [thread_count] |
674 | jne .dont_activate |
685 | jne .dont_activate |
675 | pushad |
686 | pushad |
676 | .check_next_window: |
687 | .check_next_window: |
677 | dec eax |
688 | dec eax |
678 | cmp eax, 1 |
689 | cmp eax, 1 |
679 | jbe .nothing_to_activate |
690 | jbe .nothing_to_activate |
680 | lea esi, [WIN_POS + eax*2] |
691 | lea esi, [WIN_POS + eax*2] |
681 | movzx edi, word [esi] ; edi = process |
692 | movzx edi, word [esi] ; edi = process |
682 | shl edi, BSF sizeof.APPDATA |
693 | shl edi, BSF sizeof.APPDATA |
683 | cmp [SLOT_BASE + edi + APPDATA.state], TSTATE_FREE ; skip free slots |
694 | cmp [SLOT_BASE + edi + APPDATA.state], TSTATE_FREE ; skip free slots |
684 | je .check_next_window |
695 | je .check_next_window |
685 | shr edi, (BSF sizeof.APPDATA - BSF sizeof.WDATA) |
696 | shr edi, (BSF sizeof.APPDATA - BSF sizeof.WDATA) |
686 | add edi, window_data |
697 | add edi, window_data |
687 | ; \begin{diamond}[19.09.2006] |
698 | ; \begin{diamond}[19.09.2006] |
688 | ; skip minimized windows |
699 | ; skip minimized windows |
689 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
700 | test [edi + WDATA.fl_wstate], WSTATE_MINIMIZED |
690 | jnz .check_next_window |
701 | jnz .check_next_window |
691 | ; \end{diamond} |
702 | ; \end{diamond} |
692 | call waredraw |
703 | call waredraw |
693 | .nothing_to_activate: |
704 | .nothing_to_activate: |
694 | popad |
705 | popad |
695 | .dont_activate: |
706 | .dont_activate: |
696 | 707 | ||
697 | push esi ; remove hd1 & cd & flp reservation |
708 | push esi ; remove hd1 & cd & flp reservation |
698 | shl esi, BSF sizeof.APPDATA |
709 | shl esi, BSF sizeof.APPDATA |
699 | mov esi, [SLOT_BASE + esi + APPDATA.tid] |
710 | mov esi, [SLOT_BASE + esi + APPDATA.tid] |
700 | cmp [cd_status], esi |
711 | cmp [cd_status], esi |
701 | jnz @f |
712 | jnz @f |
702 | call free_cd_channel |
713 | call free_cd_channel |
703 | and [cd_status], 0 |
714 | and [cd_status], 0 |
704 | @@: |
715 | @@: |
705 | pop esi |
716 | pop esi |
706 | cmp [bgrlockpid], esi |
717 | cmp [bgrlockpid], esi |
707 | jnz @f |
718 | jnz @f |
708 | and [bgrlockpid], 0 |
719 | and [bgrlockpid], 0 |
709 | and [bgrlock], 0 |
720 | and [bgrlock], 0 |
710 | @@: |
721 | @@: |
711 | 722 | ||
712 | pusha ; remove all port reservations |
723 | pusha ; remove all port reservations |
713 | mov edx, esi |
724 | mov edx, esi |
714 | shl edx, BSF sizeof.APPDATA |
725 | shl edx, BSF sizeof.APPDATA |
715 | mov edx, [SLOT_BASE + edx + APPDATA.tid] |
726 | mov edx, [SLOT_BASE + edx + APPDATA.tid] |
716 | 727 | ||
717 | .rmpr0: |
728 | .rmpr0: |
718 | mov esi, [RESERVED_PORTS] |
729 | mov esi, [RESERVED_PORTS] |
719 | 730 | ||
720 | test esi, esi |
731 | test esi, esi |
721 | jz .rmpr9 |
732 | jz .rmpr9 |
722 | 733 | ||
723 | .rmpr3: |
734 | .rmpr3: |
724 | 735 | ||
725 | mov edi, esi |
736 | mov edi, esi |
726 | shl edi, 4 |
737 | shl edi, 4 |
727 | add edi, RESERVED_PORTS |
738 | add edi, RESERVED_PORTS |
728 | 739 | ||
729 | cmp edx, [edi] |
740 | cmp edx, [edi] |
730 | je .rmpr4 |
741 | je .rmpr4 |
731 | 742 | ||
732 | dec esi |
743 | dec esi |
733 | jnz .rmpr3 |
744 | jnz .rmpr3 |
734 | 745 | ||
735 | jmp .rmpr9 |
746 | jmp .rmpr9 |
736 | 747 | ||
737 | .rmpr4: |
748 | .rmpr4: |
738 | 749 | ||
739 | mov ecx, 256 |
750 | mov ecx, 256 |
740 | sub ecx, esi |
751 | sub ecx, esi |
741 | shl ecx, 4 |
752 | shl ecx, 4 |
742 | 753 | ||
743 | mov esi, edi |
754 | mov esi, edi |
744 | add esi, 16 |
755 | add esi, 16 |
745 | cld |
756 | cld |
746 | rep movsb |
757 | rep movsb |
747 | 758 | ||
748 | dec dword [RESERVED_PORTS] |
759 | dec dword [RESERVED_PORTS] |
749 | 760 | ||
750 | jmp .rmpr0 |
761 | jmp .rmpr0 |
751 | 762 | ||
752 | .rmpr9: |
763 | .rmpr9: |
753 | popa |
764 | popa |
754 | 765 | ||
755 | ; clearing APPDATA structure this thread |
766 | ; clearing APPDATA structure this thread |
756 | pushad |
767 | pushad |
757 | mov edi, esi |
768 | mov edi, esi |
758 | shl edi, BSF sizeof.APPDATA |
769 | shl edi, BSF sizeof.APPDATA |
759 | add edi, SLOT_BASE |
770 | add edi, SLOT_BASE |
760 | mov eax, 0x20202020 |
771 | mov eax, 0x20202020 |
761 | stosd |
772 | stosd |
762 | stosd |
773 | stosd |
763 | stosd |
774 | stosd |
764 | mov ecx, 244/4 |
775 | mov ecx, 244/4 |
765 | xor eax, eax |
776 | xor eax, eax |
766 | rep stosd |
777 | rep stosd |
767 | popad |
778 | popad |
768 | 779 | ||
769 | mov edi, esi ; do not run this process slot |
780 | mov edi, esi ; do not run this process slot |
770 | shl edi, BSF sizeof.APPDATA |
781 | shl edi, BSF sizeof.APPDATA |
771 | mov [SLOT_BASE + edi + APPDATA.state], TSTATE_FREE |
782 | mov [SLOT_BASE + edi + APPDATA.state], TSTATE_FREE |
772 | ; debugger test - terminate all debuggees |
783 | ; debugger test - terminate all debuggees |
773 | mov eax, 2 |
784 | mov eax, 2 |
774 | mov ecx, SLOT_BASE + 2*sizeof.APPDATA + APPDATA.debugger_slot |
785 | mov ecx, SLOT_BASE + 2*sizeof.APPDATA + APPDATA.debugger_slot |
775 | .xd0: |
786 | .xd0: |
776 | cmp eax, [thread_count] |
787 | cmp eax, [thread_count] |
777 | ja .xd1 |
788 | ja .xd1 |
778 | cmp dword [ecx], esi |
789 | cmp dword [ecx], esi |
779 | jnz @f |
790 | jnz @f |
780 | and dword [ecx], 0 |
791 | and dword [ecx], 0 |
781 | pushad |
792 | pushad |
782 | xchg eax, ecx |
793 | xchg eax, ecx |
783 | mov ebx, 2 |
794 | mov ebx, 2 |
784 | call sys_system |
795 | call sys_system |
785 | popad |
796 | popad |
786 | @@: |
797 | @@: |
787 | inc eax |
798 | inc eax |
788 | add ecx, sizeof.APPDATA |
799 | add ecx, sizeof.APPDATA |
789 | jmp .xd0 |
800 | jmp .xd0 |
790 | .xd1: |
801 | .xd1: |
791 | ;release slot |
802 | ;release slot |
792 | 803 | ||
793 | bts [thr_slot_map], esi |
804 | bts [thr_slot_map], esi |
794 | 805 | ||
795 | mov ecx, [.process] |
806 | mov ecx, [.process] |
796 | lea eax, [ecx + PROC.thr_list] |
807 | lea eax, [ecx + PROC.thr_list] |
797 | cmp eax, [eax + LHEAD.next] |
808 | cmp eax, [eax + LHEAD.next] |
798 | jne @F |
809 | jne @F |
799 | 810 | ||
800 | call destroy_process.internal |
811 | call destroy_process.internal |
801 | @@: |
812 | @@: |
802 | sti ; .. and life goes on |
813 | sti ; .. and life goes on |
803 | 814 | ||
804 | mov eax, [draw_limits.left] |
815 | mov eax, [draw_limits.left] |
805 | mov ebx, [draw_limits.top] |
816 | mov ebx, [draw_limits.top] |
806 | mov ecx, [draw_limits.right] |
817 | mov ecx, [draw_limits.right] |
807 | mov edx, [draw_limits.bottom] |
818 | mov edx, [draw_limits.bottom] |
808 | call calculatescreen |
819 | call calculatescreen |
809 | xor eax, eax |
820 | xor eax, eax |
810 | xor esi, esi |
821 | xor esi, esi |
811 | call redrawscreen |
822 | call redrawscreen |
812 | 823 | ||
813 | call unlock_application_table |
824 | call unlock_application_table |
814 | ;mov esi,process_terminated |
825 | ;mov esi,process_terminated |
815 | ;call sys_msg_board_str |
826 | ;call sys_msg_board_str |
816 | add esp, 8 |
827 | add esp, 8 |
817 | ret |
828 | ret |
818 | restore .slot |
829 | restore .slot |
819 | restore .process |
830 | restore .process |
820 | 831 | ||
821 | ; Three following procedures are used to guarantee that |
832 | ; Three following procedures are used to guarantee that |
822 | ; some part of kernel code will not be terminated from outside |
833 | ; some part of kernel code will not be terminated from outside |
823 | ; while it is running. |
834 | ; while it is running. |
824 | ; Note: they do not protect a thread from terminating due to errors inside |
835 | ; Note: they do not protect a thread from terminating due to errors inside |
825 | ; the thread; accessing a nonexisting memory would still terminate it. |
836 | ; the thread; accessing a nonexisting memory would still terminate it. |
826 | 837 | ||
827 | ; First two procedures must be used in pair by thread-to-be-protected |
838 | ; First two procedures must be used in pair by thread-to-be-protected |
828 | ; to signal the beginning and the end of an important part. |
839 | ; to signal the beginning and the end of an important part. |
829 | ; It is OK to have nested areas. |
840 | ; It is OK to have nested areas. |
830 | 841 | ||
831 | ; The last procedure must be used by outside wanna-be-terminators; |
842 | ; The last procedure must be used by outside wanna-be-terminators; |
832 | ; if it is safe to terminate the given thread immediately, it returns eax=1; |
843 | ; if it is safe to terminate the given thread immediately, it returns eax=1; |
833 | ; otherwise, it returns eax=0 and notifies the target thread that it should |
844 | ; otherwise, it returns eax=0 and notifies the target thread that it should |
834 | ; terminate itself when leaving a critical area (the last critical area if |
845 | ; terminate itself when leaving a critical area (the last critical area if |
835 | ; they are nested). |
846 | ; they are nested). |
836 | 847 | ||
837 | ; Implementation. Those procedures use one dword in APPDATA for the thread, |
848 | ; Implementation. Those procedures use one dword in APPDATA for the thread, |
838 | ; APPDATA.terminate_protection. |
849 | ; APPDATA.terminate_protection. |
839 | ; * The upper bit is 1 during normal operations and 0 when terminate is requested. |
850 | ; * The upper bit is 1 during normal operations and 0 when terminate is requested. |
840 | ; * Other bits form a number = depth of critical regions, |
851 | ; * Other bits form a number = depth of critical regions, |
841 | ; plus 1 if the upper bit is 1. |
852 | ; plus 1 if the upper bit is 1. |
842 | ; * When this dword goes to zero, the thread should be destructed, |
853 | ; * When this dword goes to zero, the thread should be destructed, |
843 | ; and the procedure in which it happened becomes responsible for destruction. |
854 | ; and the procedure in which it happened becomes responsible for destruction. |
844 | 855 | ||
845 | ; Enter critical area. Called by thread which wants to be protected. |
856 | ; Enter critical area. Called by thread which wants to be protected. |
846 | proc protect_from_terminate |
857 | proc protect_from_terminate |
847 | mov edx, [current_slot] |
858 | mov edx, [current_slot] |
848 | ; Atomically increment depth of critical areas and get the old value. |
859 | ; Atomically increment depth of critical areas and get the old value. |
849 | mov eax, 1 |
860 | mov eax, 1 |
850 | lock xadd [edx + APPDATA.terminate_protection], eax |
861 | lock xadd [edx + APPDATA.terminate_protection], eax |
851 | ; If the old value was zero, somebody has started to terminate us, |
862 | ; If the old value was zero, somebody has started to terminate us, |
852 | ; so we are destructing and cannot do anything protected. |
863 | ; so we are destructing and cannot do anything protected. |
853 | ; Otherwise, return to the caller. |
864 | ; Otherwise, return to the caller. |
854 | test eax, eax |
865 | test eax, eax |
855 | jz @f |
866 | jz @f |
856 | ret |
867 | ret |
857 | @@: |
868 | @@: |
858 | ; Wait for somebody to finish us. |
869 | ; Wait for somebody to finish us. |
859 | call change_task |
870 | call change_task |
860 | jmp @b |
871 | jmp @b |
861 | endp |
872 | endp |
862 | 873 | ||
863 | ; Leave critical area. Called by thread which wants to be protected. |
874 | ; Leave critical area. Called by thread which wants to be protected. |
864 | proc unprotect_from_terminate |
875 | proc unprotect_from_terminate |
865 | mov edx, [current_slot] |
876 | mov edx, [current_slot] |
866 | ; Atomically decrement depth of critical areas. |
877 | ; Atomically decrement depth of critical areas. |
867 | lock dec [edx + APPDATA.terminate_protection] |
878 | lock dec [edx + APPDATA.terminate_protection] |
868 | ; If the result of decrement is zero, somebody has requested termination, |
879 | ; If the result of decrement is zero, somebody has requested termination, |
869 | ; but at that moment we were inside a critical area; terminate now. |
880 | ; but at that moment we were inside a critical area; terminate now. |
870 | jz sys_end |
881 | jz sys_end |
871 | ; Otherwise, return to the caller. |
882 | ; Otherwise, return to the caller. |
872 | ret |
883 | ret |
873 | endp |
884 | endp |
874 | 885 | ||
875 | ; Request termination of thread identified by edx = SLOT_BASE + slot*sizeof.APPDATA. |
886 | ; Request termination of thread identified by edx = SLOT_BASE + slot*sizeof.APPDATA. |
876 | ; Called by anyone. |
887 | ; Called by anyone. |
877 | proc request_terminate |
888 | proc request_terminate |
878 | xor eax, eax ; set return value |
889 | xor eax, eax ; set return value |
879 | ; Atomically clear the upper bit. If it was already zero, then |
890 | ; Atomically clear the upper bit. If it was already zero, then |
880 | ; somebody has requested termination before us, so just exit. |
891 | ; somebody has requested termination before us, so just exit. |
881 | lock btr [edx + APPDATA.terminate_protection], 31 |
892 | lock btr [edx + APPDATA.terminate_protection], 31 |
882 | jnc .unsafe |
893 | jnc .unsafe |
883 | ; Atomically decrement depth of critical areas. |
894 | ; Atomically decrement depth of critical areas. |
884 | lock dec [edx + APPDATA.terminate_protection] |
895 | lock dec [edx + APPDATA.terminate_protection] |
885 | ; If the result of decrement is nonzero, the target thread is inside a |
896 | ; If the result of decrement is nonzero, the target thread is inside a |
886 | ; critical area; leave termination to leaving that area. |
897 | ; critical area; leave termination to leaving that area. |
887 | jnz .unsafe |
898 | jnz .unsafe |
888 | ; Otherwise, it is safe to kill the target now and the caller is responsible |
899 | ; Otherwise, it is safe to kill the target now and the caller is responsible |
889 | ; for this. Return eax=1. |
900 | ; for this. Return eax=1. |
890 | inc eax |
901 | inc eax |
891 | .unsafe: |
902 | .unsafe: |
892 | ret |
903 | ret |
893 | endp |
904 | endp |