diff options
Diffstat (limited to 'utils/libmach/2.c')
| -rw-r--r-- | utils/libmach/2.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/utils/libmach/2.c b/utils/libmach/2.c new file mode 100644 index 00000000..2b1010f4 --- /dev/null +++ b/utils/libmach/2.c @@ -0,0 +1,85 @@ +/* + * 68020 definition + */ +#include <lib9.h> +#include "ureg2.h" +#include <bio.h> +#include "mach.h" + +#define MAXREG 0 +#define MINREG 0 + +#define REGOFF(x) (ulong)(&((struct Ureg *) 0)->x) + +#define VO REGOFF(vo) /* vo, 2 bytes */ +#define SR REGOFF(sr) /* sr, 2 bytes */ +#define R0 REGOFF(r0) +#define PC REGOFF(pc) +#define DBMAGIC REGOFF(magic) +#define SP REGOFF(usp) + +#define REGSIZE (R0+4) +#define FCTL(x) (REGSIZE+(x)*4) +#define FREG(x) (FCTL(3)+(x)*12) +#define FPREGSIZE (11*12) + +/* + * 68020 register set + */ +Reglist m68020reglist[] = { + {"VO", VO, RINT, 'x'}, + {"SR", SR, RINT, 'x'}, + {"MAGIC", DBMAGIC, RINT, 'X'}, + {"PC", PC, RINT, 'X'}, + {"A7", SP, RINT, 'X'}, + {"KSP", REGOFF(sp), RINT, 'X'}, + {"A6", REGOFF(a6), RINT, 'X'}, + {"A5", REGOFF(a5), RINT, 'X'}, + {"A4", REGOFF(a4), RINT, 'X'}, + {"A3", REGOFF(a3), RINT, 'X'}, + {"A2", REGOFF(a2), RINT, 'X'}, + {"A1", REGOFF(a1), RINT, 'X'}, + {"A0", REGOFF(a0), RINT, 'X'}, + {"R7", REGOFF(r7), RINT, 'X'}, + {"R6", REGOFF(r6), RINT, 'X'}, + {"R5", REGOFF(r5), RINT, 'X'}, + {"R4", REGOFF(r4), RINT, 'X'}, + {"R3", REGOFF(r3), RINT, 'X'}, + {"R2", REGOFF(r2), RINT, 'X'}, + {"R1", REGOFF(r1), RINT, 'X'}, + {"R0", REGOFF(r0), RINT, 'X'}, + {"FPCR", FCTL(0), RFLT, 'X'}, + {"FPSR", FCTL(1), RFLT, 'X'}, + {"FPIAR", FCTL(2), RFLT, 'X'}, + {"F0", FREG(0), RFLT, '8'}, + {"F1", FREG(1), RFLT, '8'}, + {"F2", FREG(2), RFLT, '8'}, + {"F3", FREG(3), RFLT, '8'}, + {"F4", FREG(4), RFLT, '8'}, + {"F5", FREG(5), RFLT, '8'}, + {"F6", FREG(6), RFLT, '8'}, + {"F7", FREG(7), RFLT, '8'}, + {0} +}; + +Mach m68020 = +{ + "68020", + M68020, /* machine type */ + m68020reglist, /* register list */ + REGSIZE, /* number of bytes in reg set */ + FPREGSIZE, /* number of bytes in fp reg set */ + "PC", + "A7", + 0, /* link register */ + "a6base", /* static base register name */ + 0, /* value */ + 0x2000, /* page size */ + 0x80000000, /* kernel base */ + 0, /* kernel text mask */ + 2, /* quantization of pc */ + 4, /* szaddr */ + 4, /* szreg */ + 4, /* szfloat */ + 8, /* szdouble */ +}; |
