#if !defined (__QEMU_MIPS_DEFS_H__) #define __QEMU_MIPS_DEFS_H__ /* If we want to use 64 bits host regs... */ //#define USE_64BITS_REGS /* If we want to use host float regs... */ //#define USE_HOST_FLOAT_REGS #define MIPS_R4Kc 0x00018000 #define MIPS_R4Kp 0x00018300 /* Emulate MIPS R4Kc for now */ #define MIPS_CPU MIPS_R4Kc #if (MIPS_CPU == MIPS_R4Kc) /* 32 bits target */ #undef MIPS_HAS_MIPS64 //#define MIPS_HAS_MIPS64 1 /* real pages are variable size... */ #define TARGET_PAGE_BITS 12 /* Uses MIPS R4Kx enhancements to MIPS32 architecture */ #define MIPS_USES_R4K_EXT /* Uses MIPS R4Kc TLB model */ #define MIPS_USES_R4K_TLB #define MIPS_TLB_NB 16 #define MIPS_TLB_MAX 128 /* basic FPU register support */ #define MIPS_USES_FPU 1 /* Define a implementation number of 1. * Define a major version 1, minor version 0. */ #define MIPS_FCR0 ((0 << 16) | (1 << 8) | (1 << 4) | 0) /* Have config1, is MIPS32R1, uses TLB, no virtual icache, uncached coherency */ #define MIPS_CONFIG0_1 \ ((1 << CP0C0_M) | (0x0 << CP0C0_K23) | (0x0 << CP0C0_KU) | \ (0x0 << CP0C0_AT) | (0x0 << CP0C0_AR) | (0x1 << CP0C0_MT) | \ (0x2 << CP0C0_K0)) #ifdef TARGET_WORDS_BIGENDIAN #define MIPS_CONFIG0 (MIPS_CONFIG0_1 | (1 << CP0C0_BE)) #else #define MIPS_CONFIG0 MIPS_CONFIG0_1 #endif /* Have config2, 16 TLB entries, 64 sets Icache, 16 bytes Icache line, 2-way Icache, 64 sets Dcache, 16 bytes Dcache line, 2-way Dcache, no coprocessor2 attached, no MDMX support attached, no performance counters, watch registers present, no code compression, EJTAG present, FPU enable bit depending on MIPS_USES_FPU */ #define MIPS_CONFIG1_1 \ ((1 << CP0C1_M) | ((MIPS_TLB_NB - 1) << CP0C1_MMU) | \ (0x0 << CP0C1_IS) | (0x3 << CP0C1_IL) | (0x1 << CP0C1_IA) | \ (0x0 << CP0C1_DS) | (0x3 << CP0C1_DL) | (0x1 << CP0C1_DA) | \ (0 << CP0C1_C2) | (0 << CP0C1_MD) | (0 << CP0C1_PC) | \ (1 << CP0C1_WR) | (0 << CP0C1_CA) | (1 << CP0C1_EP)) #ifdef MIPS_USES_FPU #define MIPS_CONFIG1 (MIPS_CONFIG1_1 | (1 << CP0C1_FP)) #else #define MIPS_CONFIG1 (MIPS_CONFIG1_1 | (0 << CP0C1_FP)) #endif /* Have config3, no tertiary/secondary caches implemented */ #define MIPS_CONFIG2 \ ((1 << CP0C2_M)) /* No config4, no DSP ASE, no large physaddr, no external interrupt controller, no vectored interupts, no 1kb pages, no MT ASE, no SmartMIPS ASE, no trace logic */ #define MIPS_CONFIG3 \ ((0 << CP0C3_M) | (0 << CP0C3_DSPP) | (0 << CP0C3_LPA) | \ (0 << CP0C3_VEIC) | (0 << CP0C3_VInt) | (0 << CP0C3_SP) | \ (0 << CP0C3_MT) | (0 << CP0C3_SM) | (0 << CP0C3_TL)) #elif (MIPS_CPU == MIPS_R4Kp) /* 32 bits target */ #undef MIPS_HAS_MIPS64 /* real pages are variable size... */ #define TARGET_PAGE_BITS 12 /* Uses MIPS R4Kx enhancements to MIPS32 architecture */ #define MIPS_USES_R4K_EXT /* Uses MIPS R4Km FPM MMU model */ #define MIPS_USES_R4K_FPM #else #error "MIPS CPU not defined" /* Reminder for other flags */ //#undef MIPS_HAS_MIPS64 //#define MIPS_USES_FPU #endif #ifdef MIPS_HAS_MIPS64 #define TARGET_LONG_BITS 64 #else #define TARGET_LONG_BITS 32 #endif #endif /* !defined (__QEMU_MIPS_DEFS_H__) */