diff options
Diffstat (limited to 'sys/arch/m68k/include/frame.h')
| -rw-r--r-- | sys/arch/m68k/include/frame.h | 79 |
1 files changed, 77 insertions, 2 deletions
diff --git a/sys/arch/m68k/include/frame.h b/sys/arch/m68k/include/frame.h index a71b485bd06..7aca8fbef53 100644 --- a/sys/arch/m68k/include/frame.h +++ b/sys/arch/m68k/include/frame.h @@ -1,4 +1,5 @@ -/* $NetBSD: frame.h,v 1.10 1995/05/12 12:45:24 mycroft Exp $ */ +/* $OpenBSD: frame.h,v 1.2 1996/04/19 06:18:14 niklas Exp $ */ +/* $NetBSD: frame.h,v 1.11 1996/03/12 22:21:51 is Exp $ */ /* * Copyright (c) 1988 University of Utah. @@ -61,6 +62,14 @@ struct frame { u_int f_ea; } F_fmt3; + struct fmt4 { + u_int f_fa; + u_int f_fslw; + /* for 060FP type 4 FP disabled frames: */ +#define f_fea f_fa +#define f_pcfi f_fslw + } F_fmt4; + struct fmt7 { u_int f_ea; u_short f_ssw; @@ -116,6 +125,7 @@ struct frame { #define f_vector F_t.tf_vector #define f_fmt2 F_u.F_fmt2 #define f_fmt3 F_u.F_fmt3 +#define f_fmt4 F_u.F_fmt4 #define f_fmt7 F_u.F_fmt7 #define f_fmt9 F_u.F_fmt9 #define f_fmtA F_u.F_fmtA @@ -127,12 +137,13 @@ struct switchframe { /* common frame size */ #define CFSIZE (sizeof(struct frame) - sizeof(union F_u)) -#define NFMTSIZE 8 +#define NFMTSIZE 9 #define FMT0 0x0 #define FMT1 0x1 #define FMT2 0x2 #define FMT3 0x3 +#define FMT4 0x4 #define FMT7 0x7 #define FMT9 0x9 #define FMTA 0xA @@ -143,6 +154,7 @@ struct switchframe { #define FMT1SIZE 0 #define FMT2SIZE sizeof(struct fmt2) #define FMT3SIZE sizeof(struct fmt3) +#define FMT4SIZE sizeof(struct fmt4) #define FMT7SIZE sizeof(struct fmt7) #define FMT9SIZE sizeof(struct fmt9) #define FMTASIZE sizeof(struct fmtA) @@ -185,6 +197,42 @@ struct switchframe { #define SSW4_TMKD 0x0005 #define SSW4_TMKC 0x0006 +/* 060 Fault Status Long Word (FPSP) */ + +#define FSLW_MA 0x08000000 +#define FSLW_LK 0x02000000 +#define FSLW_RW 0x01800000 +#define FSLW_SIZE 0x00600000 + +/* + * We better define the FSLW_SIZE values here, as the table given in the + * MC68060UM/AD rev. 0/1 p. 8-23 is wrong, and was corrected in the errata + * document. + */ +#define FSLW_SIZE_LONG 0x00000000 +#define FSLW_SIZE_BYTE 0x00200000 +#define FSLW_SIZE_WORD 0x00400000 +#define FSLW_SIZE_MV16 0x00600000 + +#define FLSW_TT 0x00180000 +#define FSLW_TM 0x00070000 + +#define FSLW_IO 0x00008000 +#define FSLW_PBE 0x00004000 +#define FSLW_SBE 0x00002000 +#define FSLW_PTA 0x00001000 +#define FSLW_PTB 0x00000800 +#define FSLW_IL 0x00000400 +#define FSLW_PF 0x00000200 +#define FSLW_SP 0x00000100 +#define FSLW_WP 0x00000080 +#define FSLW_TWE 0x00000040 +#define FSLW_RE 0x00000020 +#define FSLW_WE 0x00000010 +#define FSLW_TTR 0x00000008 +#define FSLW_BPE 0x00000004 +#define FSLW_SEE 0x00000001 + struct fpframe { union FPF_u1 { u_int FPF_null; @@ -225,3 +273,30 @@ struct fpframe { #define fpf_idle FPF_u2.FPF_idle #define fpf_busy FPF_u2.FPF_busy #define fpf_unimp FPF_u2.FPF_unimp + +/* + * This is incompatible with the earlier one; expecially, an earlier frame + * must not be FRESTOREd on a 060 or vv, because a frame error exception is + * not guaranteed. + */ + + +struct fpframe060 { + u_short fpf6_excp_exp; + u_char fpf6_frmfmt; +#define FPF6_FMT_NULL 0x00 +#define FPF6_FMT_IDLE 0x60 +#define FPF6_FMT_EXCP 0xe0 + + u_char fpf6_v; +#define FPF6_V_BSUN 0 +#define FPF6_V_INEX12 1 +#define FPF6_V_DZ 2 +#define FPF6_V_UNFL 3 +#define FPF6_V_OPERR 4 +#define FPF6_V_OVFL 5 +#define FPF6_V_SNAN 6 +#define FPF6_V_UNSUP 7 + + u_long fpf6_upper, fpf6_lower; +}; |