diff options
| -rw-r--r-- | sys/mips/include/asm.h | 7 | ||||
| -rw-r--r-- | sys/mips/include/cpuregs.h | 9 |
2 files changed, 13 insertions, 3 deletions
diff --git a/sys/mips/include/asm.h b/sys/mips/include/asm.h index 790024ff60d4..551d02c1cd51 100644 --- a/sys/mips/include/asm.h +++ b/sys/mips/include/asm.h @@ -725,9 +725,12 @@ _C_LABEL(x): #elif defined(CPU_RMI) #define HAZARD_DELAY #define ITLBNOPFIX +#elif defined(CPU_MIPS74KC) +#define HAZARD_DELAY sll $0,$0,3 +#define ITLBNOPFIX sll $0,$0,3 #else -#define ITLBNOPFIX nop;nop;nop;nop;nop;nop;nop;nop;nop;nop; -#define HAZARD_DELAY nop;nop;nop;nop;nop; +#define ITLBNOPFIX nop;nop;nop;nop;nop;nop;nop;nop;nop;sll $0,$0,3; +#define HAZARD_DELAY nop;nop;nop;nop;sll $0,$0,3; #endif #endif /* !_MACHINE_ASM_H_ */ diff --git a/sys/mips/include/cpuregs.h b/sys/mips/include/cpuregs.h index 436a980785c4..be8414f8fc32 100644 --- a/sys/mips/include/cpuregs.h +++ b/sys/mips/include/cpuregs.h @@ -149,6 +149,11 @@ #define MIPS_CCA_CC 0x05 /* Cacheable Coherent. */ #endif +#if defined(CPU_MIPS74KC) +#define MIPS_CCA_UNCACHED 0x02 +#define MIPS_CCA_CACHED 0x00 +#endif + #ifndef MIPS_CCA_UNCACHED #define MIPS_CCA_UNCACHED MIPS_CCA_UC #endif @@ -204,12 +209,14 @@ #define COP0_SYNC .word 0xc0 /* ehb */ #elif defined(CPU_SB1) #define COP0_SYNC ssnop; ssnop; ssnop; ssnop; ssnop; ssnop; ssnop; ssnop; ssnop +#elif defined(CPU_MIPS74KC) +#define COP0_SYNC .word 0xc0 /* ehb */ #else /* * Pick a reasonable default based on the "typical" spacing described in the * "CP0 Hazards" chapter of MIPS Architecture Book Vol III. */ -#define COP0_SYNC ssnop; ssnop; ssnop; ssnop; ssnop +#define COP0_SYNC ssnop; ssnop; ssnop; ssnop; .word 0xc0; #endif #define COP0_HAZARD_FPUENABLE nop; nop; nop; nop; |