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author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-06-27 10:02:35 +0000 |
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committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-06-27 10:02:35 +0000 |
commit | b5dc7732e1cc2fb549e48b7b5d664f2c79628e2e (patch) | |
tree | e18d7e7fc4e2fc9bad326022331c17c2800a8bbb /target-mips/cpu.h | |
parent | a37ee56cb7f2094a65fff14ed5d4ff325652b802 (diff) | |
download | hqemu-b5dc7732e1cc2fb549e48b7b5d664f2c79628e2e.zip hqemu-b5dc7732e1cc2fb549e48b7b5d664f2c79628e2e.tar.gz |
More efficient target register / TC accesses.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4794 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-mips/cpu.h')
-rw-r--r-- | target-mips/cpu.h | 77 |
1 files changed, 40 insertions, 37 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h index fdb05cc..78851ed 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -134,29 +134,53 @@ typedef struct mips_def_t mips_def_t; #define MIPS_TC_MAX 5 #define MIPS_DSP_ACC 4 +typedef struct TCState TCState; +struct TCState { + target_ulong gpr[32]; + target_ulong PC; + target_ulong HI[MIPS_DSP_ACC]; + target_ulong LO[MIPS_DSP_ACC]; + target_ulong ACX[MIPS_DSP_ACC]; + target_ulong DSPControl; + int32_t CP0_TCStatus; +#define CP0TCSt_TCU3 31 +#define CP0TCSt_TCU2 30 +#define CP0TCSt_TCU1 29 +#define CP0TCSt_TCU0 28 +#define CP0TCSt_TMX 27 +#define CP0TCSt_RNST 23 +#define CP0TCSt_TDS 21 +#define CP0TCSt_DT 20 +#define CP0TCSt_DA 15 +#define CP0TCSt_A 13 +#define CP0TCSt_TKSU 11 +#define CP0TCSt_IXMT 10 +#define CP0TCSt_TASID 0 + int32_t CP0_TCBind; +#define CP0TCBd_CurTC 21 +#define CP0TCBd_TBE 17 +#define CP0TCBd_CurVPE 0 + target_ulong CP0_TCHalt; + target_ulong CP0_TCContext; + target_ulong CP0_TCSchedule; + target_ulong CP0_TCScheFBack; + int32_t CP0_Debug_tcstatus; +}; + typedef struct CPUMIPSState CPUMIPSState; struct CPUMIPSState { - /* General integer registers */ - target_ulong gpr[MIPS_SHADOW_SET_MAX][32]; - /* Special registers */ - target_ulong PC[MIPS_TC_MAX]; + TCState active_tc; + /* temporary hack for FP globals */ #ifndef USE_HOST_FLOAT_REGS fpr_t ft0; fpr_t ft1; fpr_t ft2; #endif - target_ulong HI[MIPS_TC_MAX][MIPS_DSP_ACC]; - target_ulong LO[MIPS_TC_MAX][MIPS_DSP_ACC]; - target_ulong ACX[MIPS_TC_MAX][MIPS_DSP_ACC]; - target_ulong DSPControl[MIPS_TC_MAX]; - CPUMIPSMVPContext *mvp; CPUMIPSTLBContext *tlb; CPUMIPSFPUContext *fpu; uint32_t current_tc; - target_ulong *current_tc_gprs; - target_ulong *current_tc_hi; uint32_t SEGBITS; target_ulong SEGMask; @@ -206,28 +230,6 @@ struct CPUMIPSState { #define CP0VPEOpt_DWX1 1 #define CP0VPEOpt_DWX0 0 target_ulong CP0_EntryLo0; - int32_t CP0_TCStatus[MIPS_TC_MAX]; -#define CP0TCSt_TCU3 31 -#define CP0TCSt_TCU2 30 -#define CP0TCSt_TCU1 29 -#define CP0TCSt_TCU0 28 -#define CP0TCSt_TMX 27 -#define CP0TCSt_RNST 23 -#define CP0TCSt_TDS 21 -#define CP0TCSt_DT 20 -#define CP0TCSt_DA 15 -#define CP0TCSt_A 13 -#define CP0TCSt_TKSU 11 -#define CP0TCSt_IXMT 10 -#define CP0TCSt_TASID 0 - int32_t CP0_TCBind[MIPS_TC_MAX]; -#define CP0TCBd_CurTC 21 -#define CP0TCBd_TBE 17 -#define CP0TCBd_CurVPE 0 - target_ulong CP0_TCHalt[MIPS_TC_MAX]; - target_ulong CP0_TCContext[MIPS_TC_MAX]; - target_ulong CP0_TCSchedule[MIPS_TC_MAX]; - target_ulong CP0_TCScheFBack[MIPS_TC_MAX]; target_ulong CP0_EntryLo1; target_ulong CP0_Context; int32_t CP0_PageMask; @@ -398,7 +400,6 @@ struct CPUMIPSState { #define CP0DB_DDBL 2 #define CP0DB_DBp 1 #define CP0DB_DSS 0 - int32_t CP0_Debug_tcstatus[MIPS_TC_MAX]; target_ulong CP0_DEPC; int32_t CP0_Performance0; int32_t CP0_TagLo; @@ -407,6 +408,8 @@ struct CPUMIPSState { int32_t CP0_DataHi; target_ulong CP0_ErrorEPC; int32_t CP0_DESAVE; + /* We waste some space so we can handle shadow registers like TCs. */ + TCState tcs[MIPS_SHADOW_SET_MAX]; /* Qemu */ int interrupt_request; int error_code; @@ -501,9 +504,9 @@ static inline int cpu_mmu_index (CPUState *env) static inline void cpu_clone_regs(CPUState *env, target_ulong newsp) { if (newsp) - env->gpr[env->current_tc][29] = newsp; - env->gpr[env->current_tc][7] = 0; - env->gpr[env->current_tc][2] = 0; + env->active_tc.gpr[29] = newsp; + env->active_tc.gpr[7] = 0; + env->active_tc.gpr[2] = 0; } #endif |