diff options
| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-30 15:36:58 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-12-30 15:36:58 +0000 |
| commit | b8aa4598e2cc109b0884740a42116acaab01e67d (patch) | |
| tree | 841da3e790c3a04b10dc4a4e96370c1128f8f2dc /target-mips/cpu.h | |
| parent | 6341fdcb7841f364a6102ce2b3c375e6c0d7560e (diff) | |
MIPS COP1X (and related) instructions, by Richard Sandiford.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3877 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/cpu.h')
| -rw-r--r-- | target-mips/cpu.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h index 2ca2b643b4..8b6b8bdb0e 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -417,7 +417,7 @@ struct CPUMIPSState { int user_mode_only; /* user mode only simulation */ uint32_t hflags; /* CPU State */ /* TMASK defines different execution modes */ -#define MIPS_HFLAG_TMASK 0x00FF +#define MIPS_HFLAG_TMASK 0x01FF #define MIPS_HFLAG_MODE 0x0007 /* execution modes */ /* The KSU flags must be the lowest bits in hflags. The flag order must be the same as defined for CP0 Status. This allows to use @@ -431,16 +431,20 @@ struct CPUMIPSState { #define MIPS_HFLAG_CP0 0x0010 /* CP0 enabled */ #define MIPS_HFLAG_FPU 0x0020 /* FPU enabled */ #define MIPS_HFLAG_F64 0x0040 /* 64-bit FPU enabled */ -#define MIPS_HFLAG_RE 0x0080 /* Reversed endianness */ + /* True if the MIPS IV COP1X instructions can be used. This also + controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S + and RSQRT.D. */ +#define MIPS_HFLAG_COP1X 0x0080 /* COP1X instructions enabled */ +#define MIPS_HFLAG_RE 0x0100 /* Reversed endianness */ /* If translation is interrupted between the branch instruction and * the delay slot, record what type of branch it is so that we can * resume translation properly. It might be possible to reduce * this from three bits to two. */ -#define MIPS_HFLAG_BMASK 0x0700 -#define MIPS_HFLAG_B 0x0100 /* Unconditional branch */ -#define MIPS_HFLAG_BC 0x0200 /* Conditional branch */ -#define MIPS_HFLAG_BL 0x0300 /* Likely branch */ -#define MIPS_HFLAG_BR 0x0400 /* branch to register (can't link TB) */ +#define MIPS_HFLAG_BMASK 0x0e00 +#define MIPS_HFLAG_B 0x0200 /* Unconditional branch */ +#define MIPS_HFLAG_BC 0x0400 /* Conditional branch */ +#define MIPS_HFLAG_BL 0x0600 /* Likely branch */ +#define MIPS_HFLAG_BR 0x0800 /* branch to register (can't link TB) */ target_ulong btarget; /* Jump / branch target */ int bcond; /* Branch condition (if needed) */ |