bootsector2-cpu-hidden-regs-1-template.mac@ 59036

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1	; $Id: bootsector2-cpu-hidden-regs-1-template.mac 56295 2015-06-09 14:29:55Z vboxsync $
2	;; @file
3	; bootsector2 hidden CPU registers - multi mode template.
4	;
5
6	;
7	; Copyright (C) 2007-2015 Oracle Corporation
8	;
9	; This file is part of VirtualBox Open Source Edition (OSE), as
10	; available from http://www.virtualbox.org. This file is free software;
11	; you can redistribute it and/or modify it under the terms of the GNU
12	; General Public License (GPL) as published by the Free Software
13	; Foundation, in version 2 as it comes in the "COPYING" file of the
14	; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	;
17	; The contents of this file may alternatively be used under the terms
18	; of the Common Development and Distribution License Version 1.0
19	; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	; VirtualBox OSE distribution, in which case the provisions of the
21	; CDDL are applicable instead of those of the GPL.
22	;
23	; You may elect to license modified versions of this file under the
24	; terms and conditions of either the GPL or the CDDL or both.
25	;
26
27
28	%include "bootsector2-template-header.mac"
29
30	;;
31	; Helper for reporting several register values at in a sequence.
32	;
33	BEGINPROC TMPL_NM(TestValueRegSZZ)
34	push sAX
35	push sBX
36
37	mov xBX, xAX
38	.next:
39	mov xAX, xBX
40	call TMPL_NM_CMN(TestValueReg)
41	.inner_next:
42	inc xBX
43	cmp byte [xBX], 0
44	jne .inner_next
45
46	inc xBX
47	cmp byte [xBX], 0
48	je .done
49	jmp .next
50
51	.done
52	pop sBX
53	pop sAX
54	ret
55	ENDPROC TMPL_NM(TestValueRegSZZ)
56
57	;;
58	; Tests various LDTR values
59	;
60	BEGINPROC TMPL_NM(doLdtrTests)
61	push sAX
62
63	; The inital LDT.
64	mov sAX, .szLdtrInitial
65	call TMPL_NM(TestValueRegSZZ)
66
67	; Load our LDT
68	mov eax, BS2_SEL_LDT
69	lldt ax
70	mov sAX, .szLdtrValid
71	call TMPL_NM(TestValueRegSZZ)
72
73	; NULL LDTR.
74	xor eax, eax
75	lldt ax
76	mov sAX, .szLdtr0
77	call TMPL_NM(TestValueRegSZZ)
78
79	; NULL(1) LDTR.
80	mov eax, 1
81	lldt ax
82	mov sAX, .szLdtr1
83	call TMPL_NM(TestValueRegSZZ)
84
85	; NULL(2) LDTR.
86	mov eax, 2
87	lldt ax
88	mov sAX, .szLdtr2
89	call TMPL_NM(TestValueRegSZZ)
90
91	; NULL(3) LDTR.
92	mov eax, 3
93	lldt ax
94	mov sAX, .szLdtr3
95	call TMPL_NM(TestValueRegSZZ)
96
97	.done
98	pop sAX
99	ret
100
101	.szLdtrInitial:
102	db 'LDTR(Initial) sel:ldtr', 0
103	db 'LDTR(Initial) base:ldtr_base', 0
104	db 'LDTR(Initial) limit:ldtr_lim', 0
105	db 'LDTR(Initial) attr:ldtr_attr', 0
106	db 0
107	.szLdtrValid:
108	db 'LDTR(Valid) sel:ldtr', 0
109	db 'LDTR(Valid) base:ldtr_base', 0
110	db 'LDTR(Valid) limit:ldtr_lim', 0
111	db 'LDTR(Valid) attr:ldtr_attr', 0
112	db 0
113	.szLdtr0:
114	db 'LDTR(0) sel:ldtr', 0
115	db 'LDTR(0) base:ldtr_base', 0
116	db 'LDTR(0) limit:ldtr_lim', 0
117	db 'LDTR(0) attr:ldtr_attr', 0
118	db 0
119	.szLdtr1:
120	db 'LDTR(1) sel:ldtr', 0
121	db 'LDTR(1) base:ldtr_base', 0
122	db 'LDTR(1) limit:ldtr_lim', 0
123	db 'LDTR(1) attr:ldtr_attr', 0
124	db 0
125	.szLdtr2:
126	db 'LDTR(2) sel:ldtr', 0
127	db 'LDTR(2) base:ldtr_base', 0
128	db 'LDTR(2) limit:ldtr_lim', 0
129	db 'LDTR(2) attr:ldtr_attr', 0
130	db 0
131	.szLdtr3:
132	db 'LDTR(3) sel:ldtr', 0
133	db 'LDTR(3) base:ldtr_base', 0
134	db 'LDTR(3) limit:ldtr_lim', 0
135	db 'LDTR(3) attr:ldtr_attr', 0
136	db 0
137	ENDPROC TMPL_NM(doLdtrTests)
138
139
140	;;
141	; Tests various LDTR values
142	;
143	BEGINPROC TMPL_NM(doTrTests)
144	push sAX
145
146	; Initial TR values.
147	mov sAX, .szTrInitial
148	call TMPL_NM(TestValueRegSZZ)
149	jmp .next1
150	.szTrInitial:
151	db 'TR(Initial) sel:tr', 0
152	db 'TR(Initial) base:tr_base', 0
153	db 'TR(Initial) limit:tr_lim', 0
154	db 'TR(Initial) attr:tr_attr', 0
155	db 0
156	.next1:
157
158	; Our TR.
159	%ifdef TMPL_CMN_LM
160	mov ax, BS2_SEL_TSS64
161	ltr ax
162	mov sAX, .szTrTss64
163	call TMPL_NM(TestValueRegSZZ)
164	jmp .next2
165	.szTrTss64:
166	db 'TR(64) sel:tr', 0
167	db 'TR(64) base:tr_base', 0
168	db 'TR(64) limit:tr_lim', 0
169	db 'TR(64) attr:tr_attr', 0
170	db 0
171
172	%elifdef TMPL_PP32
173	mov ax, BS2_SEL_TSS32
174	ltr ax
175	mov sAX, .szTrTss32
176	call TMPL_NM(TestValueRegSZZ)
177	jmp .next2
178	.szTrTss32:
179	db 'TR(32) sel:tr', 0
180	db 'TR(32) base:tr_base', 0
181	db 'TR(32) limit:tr_lim', 0
182	db 'TR(32) attr:tr_attr', 0
183	db 0
184	;%elifdef TMPL_PP16
185	; mov ax, BS2_SEL_TSS16
186	; mov sAX, .szTrTss16
187	; call TMPL_NM(TestValueRegSZZ)
188	%endif
189	.next2:
190
191	; Note! Loading 0 into TR is not possible, unlike with LDTR.
192
193	.done
194	pop sAX
195	ret
196	ENDPROC TMPL_NM(doTrTests)
197
198
199	;;
200	; Test loading of NULL selectors.
201	;
202	BEGINPROC TMPL_NM(doNullSelTests)
203	push sAX
204	push xBX
205	push gs
206
207	mov ax, ss
208	mov gs, ax
209	mov sAX, .szGsSs
210	call TMPL_NM(TestValueRegSZZ)
211
212	xor eax, eax
213	mov gs, ax
214	mov sAX, .szGs0
215	call TMPL_NM(TestValueRegSZZ)
216
217	mov ax, 3
218	mov gs, ax
219	mov sAX, .szGs3
220	call TMPL_NM(TestValueRegSZZ)
221
222	%ifdef TMPL_64BIT
223	pushf
224	cli
225	mov bx, ss
226	mov ax, 0
227	mov ss, ax
228	mov sAX, .szSs0
229	call TMPL_NM(TestValueRegSZZ)
230	mov ss, bx
231	popf
232
233	call TMPL_NM_CMN(Bs2ToRing2)
234	mov bx, ss
235	mov ax, 2
236	mov ss, ax
237	mov sAX, .szSs1Ring2
238	call TMPL_NM(TestValueRegSZZ)
239	mov ss, bx
240
241	test byte [g_fCpuAmd], 1
242	jz .not_amd
243	mov ax, 3
244	mov ss, ax
245	mov sAX, .szSs3Ring2
246	call TMPL_NM(TestValueRegSZZ)
247
248	.not_amd:
249	call TMPL_NM_CMN(Bs2ToRing0)
250
251	%endif
252
253	pop gs
254	pop xBX
255	pop sAX
256	ret
257
258	.szGsSs:
259	db 'GS(ss) sel:gs', 0
260	db 'GS(ss) base:gs_base', 0
261	db 'GS(ss) limit:gs_lim', 0
262	db 'GS(ss) attr:gs_attr', 0
263	db 0
264	.szGs0:
265	db 'GS(0) sel:gs', 0
266	db 'GS(0) base:gs_base', 0
267	db 'GS(0) limit:gs_lim', 0
268	db 'GS(0) attr:gs_attr', 0
269	db 0
270	.szGs3:
271	db 'GS(3) sel:gs', 0
272	db 'GS(3) base:gs_base', 0
273	db 'GS(3) limit:gs_lim', 0
274	db 'GS(3) attr:gs_attr', 0
275	db 0
276	%ifdef TMPL_64BIT
277	.szSs0:
278	db 'SS(0) sel:ss', 0
279	db 'SS(0) base:ss_base', 0
280	db 'SS(0) limit:ss_lim', 0
281	db 'SS(0) attr:ss_attr', 0
282	db 0
283	.szSs1Ring2
284	db 'ring-2 SS(2) sel:ss', 0
285	db 'ring-2 SS(2) base:ss_base', 0
286	db 'ring-2 SS(2) limit:ss_lim', 0
287	db 'ring-2 SS(2) attr:ss_attr', 0
288	db 0
289	.szSs3Ring2
290	db 'ring-2 SS(3) sel:ss', 0
291	db 'ring-2 SS(3) base:ss_base', 0
292	db 'ring-2 SS(3) limit:ss_lim', 0
293	db 'ring-2 SS(3) attr:ss_attr', 0
294	db 0
295	%endif
296	ENDPROC TMPL_NM(doNullSelTests)
297
298
299	BEGINPROC TMPL_NM(doTestsWorker)
300	push sAX
301
302	mov xAX, .s_szSubTest
303	call TMPL_NM_CMN(TestSub)
304	call TMPL_NM(doLdtrTests)
305	call TMPL_NM(doTrTests)
306	call TMPL_NM(doNullSelTests)
307
308	.done
309	pop sAX
310	ret
311
312	.s_szSubTest:
313	db TMPL_MODE_STR, 0
314	ENDPROC TMPL_NM(doTestsWorker)
315
316
317	;;
318	; Do the tests for this mode.
319	;
320	; @uses nothing
321	;
322	BEGINCODELOW
323	BITS 16
324	BEGINPROC TMPL_NM(doTests_rm)
325	call TMPL_NM(Bs2IsModeSupported_rm)
326	jz .done
327	call TMPL_NM(Bs2EnterMode_rm)
328	BITS TMPL_BITS
329
330	call TMPL_NM(doTestsWorker)
331
332	call TMPL_NM(Bs2ExitMode)
333	BITS 16
334	.done:
335	ret
336	ENDPROC TMPL_NM(doTests_rm)
337	TMPL_BEGINCODE
338	BITS TMPL_BITS
339
340
341	%include "bootsector2-template-footer.mac"
342

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