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| author | Laurent Vivier <laurent@vivier.eu> | 2015-08-09 01:12:46 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2016-10-25 20:54:47 +0200 |
| commit | 7ef25cdd6cee4fa468d6cb913fa064a6689faf7d (patch) | |
| tree | 8c6ab5bd5b651bdb2d79c8f9b18b9225ee663f85 /target-m68k | |
| parent | 4d558f5d580187d594c46b2d449445600d7c7953 (diff) | |
| download | qemu-7ef25cdd6cee4fa468d6cb913fa064a6689faf7d.tar.gz | |
target-m68k: define operand sizes
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-m68k')
| -rw-r--r-- | target-m68k/cpu.h | 8 | ||||
| -rw-r--r-- | target-m68k/translate.c | 47 |
2 files changed, 23 insertions, 32 deletions
diff --git a/target-m68k/cpu.h b/target-m68k/cpu.h index 8333e1e3f9..133852a3a0 100644 --- a/target-m68k/cpu.h +++ b/target-m68k/cpu.h @@ -30,6 +30,14 @@ #include "cpu-qom.h" #include "fpu/softfloat.h" +#define OS_BYTE 0 +#define OS_WORD 1 +#define OS_LONG 2 +#define OS_SINGLE 3 +#define OS_DOUBLE 4 +#define OS_EXTENDED 5 +#define OS_PACKED 6 + #define MAX_QREGS 32 #define EXCP_ACCESS 2 /* Access (MMU) error. */ diff --git a/target-m68k/translate.c b/target-m68k/translate.c index a8ff5de252..639db766ee 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -154,12 +154,6 @@ typedef struct DisasContext { static void *gen_throws_exception; #define gen_last_qop NULL -#define OS_BYTE 0 -#define OS_WORD 1 -#define OS_LONG 2 -#define OS_SINGLE 4 -#define OS_DOUBLE 5 - typedef void (*disas_proc)(CPUM68KState *env, DisasContext *s, uint16_t insn); #ifdef DEBUG_DISPATCH @@ -453,6 +447,19 @@ static inline int opsize_bytes(int opsize) case OS_LONG: return 4; case OS_SINGLE: return 4; case OS_DOUBLE: return 8; + case OS_EXTENDED: return 12; + case OS_PACKED: return 12; + default: + g_assert_not_reached(); + } +} + +static inline int insn_opsize(int insn) +{ + switch ((insn >> 6) & 3) { + case 0: return OS_BYTE; + case 1: return OS_WORD; + case 2: return OS_LONG; default: g_assert_not_reached(); } @@ -1330,19 +1337,7 @@ DISAS_INSN(clr) { int opsize; - switch ((insn >> 6) & 3) { - case 0: /* clr.b */ - opsize = OS_BYTE; - break; - case 1: /* clr.w */ - opsize = OS_WORD; - break; - case 2: /* clr.l */ - opsize = OS_LONG; - break; - default: - abort(); - } + opsize = insn_opsize(insn); DEST_EA(env, insn, opsize, tcg_const_i32(0), NULL); gen_logic_cc(s, tcg_const_i32(0)); } @@ -1486,19 +1481,7 @@ DISAS_INSN(tst) int opsize; TCGv tmp; - switch ((insn >> 6) & 3) { - case 0: /* tst.b */ - opsize = OS_BYTE; - break; - case 1: /* tst.w */ - opsize = OS_WORD; - break; - case 2: /* tst.l */ - opsize = OS_LONG; - break; - default: - abort(); - } + opsize = insn_opsize(insn); SRC_EA(env, tmp, opsize, 1, NULL); gen_logic_cc(s, tmp); } |