From 413f05aaf54fa08c0ae7e997327a4f4a473c0a8d Mon Sep 17 00:00:00 2001 From: Upstream Date: Mon, 12 Jan 1970 13:46:40 +0000 Subject: external/qemu 0.8.2 --- target-mips/mips-defs.h | 67 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 target-mips/mips-defs.h (limited to 'target-mips/mips-defs.h') diff --git a/target-mips/mips-defs.h b/target-mips/mips-defs.h new file mode 100644 index 0000000..c6f9e9c --- /dev/null +++ b/target-mips/mips-defs.h @@ -0,0 +1,67 @@ +#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 */ +#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 R4Kc TLB model */ +#define MIPS_USES_R4K_TLB +#define MIPS_TLB_NB 16 +/* 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)) +#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 +#else +#error "MIPS CPU not defined" +/* Remainder for other flags */ +//#define TARGET_MIPS64 +//#define MIPS_USES_FPU +#endif + +#endif /* !defined (__QEMU_MIPS_DEFS_H__) */ -- cgit v1.1