xref: /netbsd/sys/arch/i386/include/frameasm.h (revision c4a72b64)
1 /*	$NetBSD: frameasm.h,v 1.1 2002/11/22 15:07:10 fvdl Exp $	*/
2 
3 #ifndef _I386_FRAMEASM_H_
4 #define _I386_FRAMEASM_H_
5 
6 #ifdef _KERNEL_OPT
7 #include "opt_multiprocessor.h"
8 #endif
9 
10 #ifndef TRAPLOG
11 #define TLOG		/**/
12 #else
13 /*
14  * Fill in trap record
15  */
16 #define TLOG						\
17 9:							\
18 	movl	%fs:CPU_TLOG_OFFSET, %eax;		\
19 	movl	%fs:CPU_TLOG_BASE, %ebx;		\
20 	addl	$SIZEOF_TREC,%eax;			\
21 	andl	$SIZEOF_TLOG-1,%eax;			\
22 	addl	%eax,%ebx;				\
23 	movl	%eax,%fs:CPU_TLOG_OFFSET;		\
24 	movl	%esp,TREC_SP(%ebx);			\
25 	movl	$9b,TREC_HPC(%ebx);			\
26 	movl	TF_EIP(%esp),%eax;			\
27 	movl	%eax,TREC_IPC(%ebx);			\
28 	rdtsc			;			\
29 	movl	%eax,TREC_TSC(%ebx);			\
30 	movl	$MSR_LASTBRANCHFROMIP,%ecx;		\
31 	rdmsr			;			\
32 	movl	%eax,TREC_LBF(%ebx);			\
33 	incl	%ecx		;			\
34 	rdmsr			;			\
35 	movl	%eax,TREC_LBT(%ebx);			\
36 	incl	%ecx		;			\
37 	rdmsr			;			\
38 	movl	%eax,TREC_IBF(%ebx);			\
39 	incl	%ecx		;			\
40 	rdmsr			;			\
41 	movl	%eax,TREC_IBT(%ebx)
42 #endif
43 
44 /*
45  * These are used on interrupt or trap entry or exit.
46  */
47 #define	INTRENTRY \
48 	subl	$TF_PUSHSIZE,%esp	; \
49 	movl	%gs,TF_GS(%esp)	; \
50 	movl	%fs,TF_FS(%esp) ; \
51 	movl	%es,TF_ES(%esp) ; \
52 	movl	%ds,TF_DS(%esp) ; \
53 	movl	%edi,TF_EDI(%esp)	; \
54 	movl	%esi,TF_ESI(%esp)	; \
55 	movl	%eax,TF_EAX(%esp)	; \
56 	movl	$GSEL(GDATA_SEL, SEL_KPL),%eax	; \
57 	movl	%eax,%ds	; \
58 	movl	%ebp,TF_EBP(%esp)	; \
59 	movl	%eax,%es	; \
60 	movl	%ebx,TF_EBX(%esp)	; \
61 	movl	%eax,%gs	; \
62 	movl	$GSEL(GCPU_SEL, SEL_KPL),%eax	; \
63 	movl	%edx,TF_EDX(%esp)	; \
64 	movl	%eax,%fs	; \
65 	movl	%ecx,TF_ECX(%esp)	; \
66 	TLOG
67 
68 #define	INTRFASTEXIT \
69 	movl	TF_GS(%esp),%gs	; \
70 	movl	TF_FS(%esp),%fs	; \
71 	movl	TF_ES(%esp),%es	; \
72 	movl	TF_DS(%esp),%ds	; \
73 	movl	TF_EDI(%esp),%edi	; \
74 	movl	TF_ESI(%esp),%esi	; \
75 	movl	TF_EBP(%esp),%ebp	; \
76 	movl	TF_EBX(%esp),%ebx	; \
77 	movl	TF_EDX(%esp),%edx	; \
78 	movl	TF_ECX(%esp),%ecx	; \
79 	movl	TF_EAX(%esp),%eax	; \
80 	addl	$(TF_PUSHSIZE+8),%esp	; \
81 	iret
82 
83 #define CHECK_ASTPENDING()              cmpl $0,CPUVAR(ASTPENDING)
84 #define CLEAR_ASTPENDING()              movl $0,CPUVAR(ASTPENDING)
85 
86 #endif /* _I386_FRAMEASM_H_ */
87