X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=target-mips%2Fmips-defs.h;h=b0fc983969b200bb7f0807c66b01a92c9682e74b;hb=8294eba18726b897c6a497b36ecd74a793f90523;hp=63e64bbdce4b862179ba95d3246df5e5e5bfa01d;hpb=814b9a47490c4500fd105b524b8354764e6655e5;p=qemu diff --git a/target-mips/mips-defs.h b/target-mips/mips-defs.h index 63e64bb..b0fc983 100644 --- a/target-mips/mips-defs.h +++ b/target-mips/mips-defs.h @@ -6,63 +6,57 @@ /* 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 */ -#define TARGET_LONG_BITS 32 +#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, uses TLB */ -#define MIPS_CONFIG0_1 \ -((1 << CP0C0_M) | (0 << CP0C0_K23) | (0 << CP0C0_KU) | \ - (1 << CP0C0_MT) | (2 << CP0C0_K0)) + /* 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 -/* 16 TLBs, 64 sets Icache, 16 bytes Icache line, 2-way Icache, - * 64 sets Dcache, 16 bytes Dcache line, 2-way Dcache, - * no performance counters, watch registers present, no code compression, - * EJTAG present, FPU enable bit depending on MIPS_USES_FPU - */ -#define MIPS_CONFIG1 \ -((15 << CP0C1_MMU) | \ - (0x000 << CP0C1_IS) | (0x3 << CP0C1_IL) | (0x01 << CP0C1_IA) | \ - (0x000 << CP0C1_DS) | (0x3 << CP0C1_DL) | (0x01 << CP0C1_DA) | \ - (0 << CP0C1_PC) | (1 << CP0C1_WR) | (0 << CP0C1_CA) | \ - (1 << CP0C1_EP) | (MIPS_USES_FPU << CP0C1_FP)) -#elif (MIPS_CPU == MIPS_R4Kp) -/* 32 bits target */ -#define TARGET_LONG_BITS 32 -/* 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 +/* 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, no FPU */ +#define MIPS_CONFIG1 \ +((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) | \ + (0 << CP0C1_FP)) +/* 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)) + +#ifdef MIPS_HAS_MIPS64 +#define TARGET_LONG_BITS 64 #else -#error "MIPS CPU not defined" -/* Remainder for other flags */ -//#define TARGET_MIPS64 -//#define MIPS_USES_FPU +#define TARGET_LONG_BITS 32 #endif #endif /* !defined (__QEMU_MIPS_DEFS_H__) */