diff options
| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-25 14:49:47 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-25 14:49:47 +0000 |
| commit | 387a8fe505dd733968a798c9d3b88fbdd5f93056 (patch) | |
| tree | 237699e955b70f6b6428c4f62c25fb129015d10f /target-mips/cpu.h | |
| parent | b570094d9bb19e59618902d825da6d2899b8d295 (diff) | |
Optimise instructions accessing CP0, by Aurelien Jarno.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3235 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/cpu.h')
| -rw-r--r-- | target-mips/cpu.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h index f8299ad608..569f9325bf 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -414,24 +414,25 @@ struct CPUMIPSState { int user_mode_only; /* user mode only simulation */ uint32_t hflags; /* CPU State */ /* TMASK defines different execution modes */ -#define MIPS_HFLAG_TMASK 0x007F +#define MIPS_HFLAG_TMASK 0x00FF #define MIPS_HFLAG_MODE 0x0007 /* execution modes */ #define MIPS_HFLAG_UM 0x0001 /* user mode */ #define MIPS_HFLAG_DM 0x0002 /* Debug mode */ #define MIPS_HFLAG_SM 0x0004 /* Supervisor mode */ #define MIPS_HFLAG_64 0x0008 /* 64-bit instructions enabled */ -#define MIPS_HFLAG_FPU 0x0010 /* FPU enabled */ -#define MIPS_HFLAG_F64 0x0020 /* 64-bit FPU enabled */ -#define MIPS_HFLAG_RE 0x0040 /* Reversed endianness */ +#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 */ /* 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 0x0380 -#define MIPS_HFLAG_B 0x0080 /* Unconditional branch */ -#define MIPS_HFLAG_BC 0x0100 /* Conditional branch */ -#define MIPS_HFLAG_BL 0x0180 /* Likely branch */ -#define MIPS_HFLAG_BR 0x0200 /* branch to register (can't link TB) */ +#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) */ target_ulong btarget; /* Jump / branch target */ int bcond; /* Branch condition (if needed) */ |