From 8693ae1bd880a758eb2efec4fccd32f89593855d Mon Sep 17 00:00:00 2001 From: Nebuleon Fumika Date: Sun, 3 Feb 2013 04:19:11 -0500 Subject: Add SDK modifications by BassAceGold as of 2011-04-14, as well as modified DMA functions as of 2013-01-29. --- sdk-modifications/include/mips.h | 820 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 820 insertions(+) create mode 100644 sdk-modifications/include/mips.h (limited to 'sdk-modifications/include/mips.h') diff --git a/sdk-modifications/include/mips.h b/sdk-modifications/include/mips.h new file mode 100644 index 0000000..3792565 --- /dev/null +++ b/sdk-modifications/include/mips.h @@ -0,0 +1,820 @@ +/************************************************************************** +* * +* PROJECT : MIPS port for uC/OS-II * +* * +* MODULE : MIPS.h * +* * +* AUTHOR : Michael Anburaj * +* URL : http://geocities.com/michaelanburaj/ * +* EMAIL: michaelanburaj@hotmail.com * +* * +* PROCESSOR : MIPS 4Kc (32 bit RISC) - ATLAS board * +* * +* TOOL-CHAIN : SDE & Cygnus * +* * +* DESCRIPTION : * +* MIPS processor definitions. * +* The basic CPU definitions are found in the file archdefs.h, which * +* is included by mips.h. * +* * +* mips.h implements aliases for some of the definitions in archdefs.h * +* and adds various definitions. * +* * +**************************************************************************/ + + +#ifndef __MIPS_H__ +#define __MIPS_H__ + +#include "archdefs.h" + + +/* ********************************************************************* */ +/* Module configuration */ + + +/* ********************************************************************* */ +/* Interface macro & data definition */ + +#ifndef MSK +#define MSK(n) ((1 << (n)) - 1) +#endif + +/* CPU registers */ +#define SYS_CPUREG_ZERO 0 +#define SYS_CPUREG_AT 1 +#define SYS_CPUREG_V0 2 +#define SYS_CPUREG_V1 3 +#define SYS_CPUREG_A0 4 +#define SYS_CPUREG_A1 5 +#define SYS_CPUREG_A2 6 +#define SYS_CPUREG_A3 7 +#define SYS_CPUREG_T0 8 +#define SYS_CPUREG_T1 9 +#define SYS_CPUREG_T2 10 +#define SYS_CPUREG_T3 11 +#define SYS_CPUREG_T4 12 +#define SYS_CPUREG_T5 13 +#define SYS_CPUREG_T6 14 +#define SYS_CPUREG_T7 15 +#define SYS_CPUREG_S0 16 +#define SYS_CPUREG_S1 17 +#define SYS_CPUREG_S2 18 +#define SYS_CPUREG_S3 19 +#define SYS_CPUREG_S4 20 +#define SYS_CPUREG_S5 21 +#define SYS_CPUREG_S6 22 +#define SYS_CPUREG_S7 23 +#define SYS_CPUREG_T8 24 +#define SYS_CPUREG_T9 25 +#define SYS_CPUREG_K0 26 +#define SYS_CPUREG_K1 27 +#define SYS_CPUREG_GP 28 +#define SYS_CPUREG_SP 29 +#define SYS_CPUREG_S8 30 +#define SYS_CPUREG_FP SYS_CPUREG_S8 +#define SYS_CPUREG_RA 31 + + +/* CPU register fp ($30) has an alias s8 */ +#define s8 fp + + +/* Aliases for System Control Coprocessor (CP0) registers */ +#define C0_INDEX C0_Index +#define C0_RANDOM C0_Random +#define C0_ENTRYLO0 C0_EntryLo0 +#define C0_ENTRYLO1 C0_EntryLo1 +#define C0_CONTEXT C0_Context +#define C0_PAGEMASK C0_PageMask +#define C0_WIRED C0_Wired +#define C0_BADVADDR C0_BadVAddr +#define C0_COUNT C0_Count +#define C0_ENTRYHI C0_EntryHi +#define C0_COMPARE C0_Compare +#define C0_STATUS C0_Status +#define C0_CAUSE C0_Cause + +#ifdef C0_PRID /* ArchDefs has an obsolete def. of C0_PRID */ +#undef C0_PRID +#endif +#define C0_PRID C0_PRId + +#define C0_CONFIG C0_Config +#define C0_CONFIG1 C0_Config1 +#define C0_LLADDR C0_LLAddr +#define C0_WATCHLO C0_WatchLo +#define C0_WATCHHI C0_WatchHi +#define C0_DEBUG C0_Debug +#define C0_PERFCNT C0_PerfCnt +#define C0_ERRCTL C0_ErrCtl +#define C0_CACHEERR C0_CacheErr +#define C0_TAGLO C0_TagLo +#define C0_DATALO C0_DataLo +#define C0_TAGHI C0_TagHi +#define C0_DATAHI C0_DataHi +#define C0_ERROREPC C0_ErrorEPC +#if 0 +#define C0_DESAVE C0_DESAVE +#define C0_EPC C0_EPC +#define C0_DEPC C0_DEPC +#endif + +/* System Control Coprocessor (CP0) registers select fields */ +#define C0_INDEX_SEL 0 /* TLB Index */ +#define C0_RANDOM_SEL 0 /* TLB Random */ +#define C0_TLBLO0_SEL 0 /* TLB EntryLo0 */ +#define C0_TLBLO1_SEL 0 /* TLB EntryLo1 */ +#define C0_CONTEXT_SEL 0 /* Context */ +#define C0_PAGEMASK_SEL 0 /* TLB PageMask */ +#define C0_WIRED_SEL 0 /* TLB Wired */ +#define C0_BADVADDR_SEL 0 /* Bad Virtual Address */ +#define C0_COUNT_SEL 0 /* Count */ +#define C0_ENTRYHI_SEL 0 /* TLB EntryHi */ +#define C0_COMPARE_SEL 0 /* Compare */ +#define C0_STATUS_SEL 0 /* Processor Status */ +#define C0_CAUSE_SEL 0 /* Exception Cause */ +#define C0_EPC_SEL 0 /* Exception PC */ +#define C0_PRID_SEL 0 /* Processor Revision Indentifier */ +#define C0_CONFIG_SEL 0 /* Config */ +#define C0_CONFIG1_SEL 1 /* Config1 */ +#define C0_LLADDR_SEL 0 /* LLAddr */ +#define C0_WATCHLO_SEL 0 /* WatchpointLo */ +#define C0_WATCHHI_SEL 0 /* WatchpointHi */ +#define C0_DEBUG_SEL 0 /* EJTAG Debug Register */ +#define C0_DEPC_SEL 0 /* Program counter at last EJTAG debug exception */ +#define C0_PERFCNT_SEL 0 /* Performance counter interface */ +#define C0_ERRCTL_SEL 0 /* ERRCTL */ +#define C0_CACHEERR_SEL 0 /* CacheErr */ +#define C0_TAGLO_SEL 0 /* TagLo */ +#define C0_DATALO_SEL 1 /* DataLo */ +#define C0_DTAGLO_SEL 2 /* DTagLo */ +#define C0_TAGHI_SEL 0 /* TagHi */ +#define C0_DATAHI_SEL 1 /* DataHi */ +#define C0_DTAGHI_SEL 2 /* DTagHi */ +#define C0_ERROREPC_SEL 0 /* ErrorEPC */ +#define C0_DESAVE_SEL 0 /* EJTAG dbg exc. save register */ + + +/* C0_CONFIG register encoding */ + +#define C0_CONFIG_M_SHF S_ConfigMore +#define C0_CONFIG_M_MSK M_ConfigMore +#define C0_CONFIG_M_BIT C0_CONFIG_M_MSK + +#define C0_CONFIG_BE_SHF S_ConfigBE +#define C0_CONFIG_BE_MSK M_ConfigBE +#define C0_CONFIG_BE_BIT C0_CONFIG_BE_MSK + +#define C0_CONFIG_AT_SHF S_ConfigAT +#define C0_CONFIG_AT_MSK M_ConfigAT +#define C0_CONFIG_AT_MIPS32 K_ConfigAT_MIPS32 +#define C0_CONFIG_AT_MIPS64_32ADDR K_ConfigAT_MIPS64S +#define C0_CONFIG_AT_MIPS64 K_ConfigAT_MIPS64 + +#define C0_CONFIG_AR_SHF S_ConfigAR +#define C0_CONFIG_AR_MSK M_ConfigAR + +#define C0_CONFIG_MT_SHF S_ConfigMT +#define C0_CONFIG_MT_MSK M_ConfigMT +#define C0_CONFIG_MT_NONE K_ConfigMT_NoMMU +#define C0_CONFIG_MT_TLB K_ConfigMT_TLBMMU +#define C0_CONFIG_MT_BAT K_ConfigMT_BATMMU +#define C0_CONFIG_MT_NON_STD K_ConfigMT_FMMMU + +#define C0_CONFIG_K0_SHF S_ConfigK0 +#define C0_CONFIG_K0_MSK M_ConfigK0 +#define C0_CONFIG_K0_WTHRU_NOALLOC K_CacheAttrCWTnWA +#define C0_CONFIG_K0_WTHRU_ALLOC K_CacheAttrCWTWA +#define C0_CONFIG_K0_UNCACHED K_CacheAttrU +#define C0_CONFIG_K0_NONCOHERENT K_CacheAttrCN +#define C0_CONFIG_K0_COHERENTXCL K_CacheAttrCCE +#define C0_CONFIG_K0_COHERENTXCLW K_CacheAttrCCS +#define C0_CONFIG_K0_COHERENTUPD K_CacheAttrCCU +#define C0_CONFIG_K0_UNCACHED_ACCEL K_CacheAttrUA + + +/* WC field. + * + * This feature is present specifically to support configuration + * testing of the core in a lead vehicle, and is not supported + * in any other environment. Attempting to use this feature + * outside of the scope of a lead vehicle is a violation of the + * MIPS Architecture, and may cause unpredictable operation of + * the processor. + */ +#define C0_CONFIG_WC_SHF 19 +#define C0_CONFIG_WC_MSK (MSK(1) << C0_CONFIG_WC_SHF) +#define C0_CONFIG_WC_BIT C0_CONFIG_WC_MSK + + +/* C0_CONFIG1 register encoding */ + +#define C0_CONFIG1_MMUSIZE_SHF S_Config1MMUSize +#define C0_CONFIG1_MMUSIZE_MSK M_Config1MMUSize + +#define C0_CONFIG1_IS_SHF S_Config1IS +#define C0_CONFIG1_IS_MSK M_Config1IS + +#define C0_CONFIG1_IL_SHF S_Config1IL +#define C0_CONFIG1_IL_MSK M_Config1IL + +#define C0_CONFIG1_IA_SHF S_Config1IA +#define C0_CONFIG1_IA_MSK M_Config1IA + +#define C0_CONFIG1_DS_SHF S_Config1DS +#define C0_CONFIG1_DS_MSK M_Config1DS + +#define C0_CONFIG1_DL_SHF S_Config1DL +#define C0_CONFIG1_DL_MSK M_Config1DL + +#define C0_CONFIG1_DA_SHF S_Config1DA +#define C0_CONFIG1_DA_MSK M_Config1DA + +#define C0_CONFIG1_WR_SHF S_Config1WR +#define C0_CONFIG1_WR_MSK M_Config1WR +#define C0_CONFIG1_WR_BIT C0_CONFIG1_WR_MSK + +#define C0_CONFIG1_CA_SHF S_Config1CA +#define C0_CONFIG1_CA_MSK M_Config1CA +#define C0_CONFIG1_CA_BIT C0_CONFIG1_CA_MSK + +#define C0_CONFIG1_EP_SHF S_Config1EP +#define C0_CONFIG1_EP_MSK M_Config1EP +#define C0_CONFIG1_EP_BIT C0_CONFIG1_EP_MSK + +#define C0_CONFIG1_FP_SHF S_Config1FP +#define C0_CONFIG1_FP_MSK M_Config1FP +#define C0_CONFIG1_FP_BIT C0_CONFIG1_FP_MSK + + +/* C0_STATUS register encoding */ + +#define C0_STATUS_CU3_SHF S_StatusCU3 +#define C0_STATUS_CU3_MSK M_StatusCU3 +#define C0_STATUS_CU3_BIT C0_STATUS_CU3_MSK + +#define C0_STATUS_CU2_SHF S_StatusCU2 +#define C0_STATUS_CU2_MSK M_StatusCU2 +#define C0_STATUS_CU2_BIT C0_STATUS_CU2_MSK + +#define C0_STATUS_CU1_SHF S_StatusCU1 +#define C0_STATUS_CU1_MSK M_StatusCU1 +#define C0_STATUS_CU1_BIT C0_STATUS_CU1_MSK + +#define C0_STATUS_CU0_SHF S_StatusCU1 +#define C0_STATUS_CU0_MSK M_StatusCU1 +#define C0_STATUS_CU0_BIT C0_STATUS_CU0_MSK + +#define C0_STATUS_RP_SHF S_StatusRP +#define C0_STATUS_RP_MSK M_StatusRP +#define C0_STATUS_RP_BIT C0_STATUS_RP_MSK + +#define C0_STATUS_FR_SHF S_StatusFR +#define C0_STATUS_FR_MSK M_StatusFR +#define C0_STATUS_FR_BIT C0_STATUS_FR_MSK + +#define C0_STATUS_RE_SHF S_StatusRE +#define C0_STATUS_RE_MSK M_StatusRE +#define C0_STATUS_RE_BIT C0_STATUS_RE_MSK + +#define C0_STATUS_BEV_SHF S_StatusBEV +#define C0_STATUS_BEV_MSK M_StatusBEV +#define C0_STATUS_BEV_BIT C0_STATUS_BEV_MSK + +#define C0_STATUS_TS_SHF S_StatusTS +#define C0_STATUS_TS_MSK M_StatusTS +#define C0_STATUS_TS_BIT C0_STATUS_TS_MSK + +#define C0_STATUS_SR_SHF S_StatusSR +#define C0_STATUS_SR_MSK M_StatusSR +#define C0_STATUS_SR_BIT C0_STATUS_SR_MSK + +#define C0_STATUS_NMI_SHF S_StatusNMI +#define C0_STATUS_NMI_MSK M_StatusNMI +#define C0_STATUS_NMI_BIT C0_STATUS_NMI_MSK + +#define C0_STATUS_IM_SHF S_StatusIM +#define C0_STATUS_IM_MSK M_StatusIM +/* Note that the the definitions below indicate the interrupt number + * rather than the mask. + * (0..1 for SW interrupts and 2...7 for HW interrupts) + */ +#define C0_STATUS_IM_SW0 (S_StatusIM0 - S_StatusIM) +#define C0_STATUS_IM_SW1 (S_StatusIM1 - S_StatusIM) +#define C0_STATUS_IM_HW0 (S_StatusIM2 - S_StatusIM) +#define C0_STATUS_IM_HW1 (S_StatusIM3 - S_StatusIM) +#define C0_STATUS_IM_HW2 (S_StatusIM4 - S_StatusIM) +#define C0_STATUS_IM_HW3 (S_StatusIM5 - S_StatusIM) +#define C0_STATUS_IM_HW4 (S_StatusIM6 - S_StatusIM) +#define C0_STATUS_IM_HW5 (S_StatusIM7 - S_StatusIM) + +/* Max interrupt code */ +#define C0_STATUS_IM_MAX C0_STATUS_IM_HW5 + +#define C0_STATUS_KSU_SHF S_StatusKSU +#define C0_STATUS_KSU_MSK M_StatusKSU + +#define C0_STATUS_UM_SHF S_StatusUM +#define C0_STATUS_UM_MSK M_StatusUM +#define C0_STATUS_UM_BIT C0_STATUS_UM_MSK + +#define C0_STATUS_ERL_SHF S_StatusERL +#define C0_STATUS_ERL_MSK M_StatusERL +#define C0_STATUS_ERL_BIT C0_STATUS_ERL_MSK + +#define C0_STATUS_EXL_SHF S_StatusEXL +#define C0_STATUS_EXL_MSK M_StatusEXL +#define C0_STATUS_EXL_BIT C0_STATUS_EXL_MSK + +#define C0_STATUS_IE_SHF S_StatusIE +#define C0_STATUS_IE_MSK M_StatusIE +#define C0_STATUS_IE_BIT C0_STATUS_IE_MSK + + +/* C0_PRID register encoding */ + +#define C0_PRID_OPT_SHF S_PRIdCoOpt +#define C0_PRID_OPT_MSK M_PRIdCoOpt + +#define C0_PRID_COMP_SHF S_PRIdCoID +#define C0_PRID_COMP_MSK M_PRIdCoID +#define C0_PRID_COMP_MIPS K_PRIdCoID_MIPS +#define C0_PRID_COMP_NOT_MIPS32_64 0 + +#define C0_PRID_PRID_SHF S_PRIdImp +#define C0_PRID_PRID_MSK M_PRIdImp + +/* Jade */ +#define C0_PRID_PRID_4Kc K_PRIdImp_Jade +#define C0_PRID_PRID_4Kmp K_PRIdImp_JadeLite /* 4Km/4Kp */ +/* Emerald */ +#define C0_PRID_PRID_4KEc K_PRIdImp_4KEc +#define C0_PRID_PRID_4KEmp K_PRIdImp_4KEmp +/* Coral */ +#define C0_PRID_PRID_4KSc K_PRIdImp_4KSc +/* Opal */ +#define C0_PRID_PRID_5K K_PRIdImp_Opal +/* Ruby */ +#define C0_PRID_PRID_20Kc K_PRIdImp_Ruby +/* Other CPUs */ +#define C0_PRID_PRID_R4000 K_PRIdImp_R4000 +#define C0_PRID_PRID_RM52XX K_PRIdImp_R5200 +#define C0_PRID_PRID_RM70XX 0x27 + +#define C0_PRID_REV_SHF S_PRIdRev +#define C0_PRID_REV_MSK M_PRIdRev + + +#define MIPS_4Kc ( (C0_PRID_COMP_MIPS << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_4Kc << \ + C0_PRID_PRID_SHF) \ + ) + +#define MIPS_4Kmp ( (C0_PRID_COMP_MIPS << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_4Kmp << \ + C0_PRID_PRID_SHF) \ + ) + +#define MIPS_4KEc ( (C0_PRID_COMP_MIPS << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_4KEc << \ + C0_PRID_PRID_SHF) \ + ) + +#define MIPS_4KEmp ( (C0_PRID_COMP_MIPS << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_4KEmp << \ + C0_PRID_PRID_SHF) \ + ) + +#define MIPS_4KSc ( (C0_PRID_COMP_MIPS << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_4KSc << \ + C0_PRID_PRID_SHF) \ + ) + +#define MIPS_5K ( (C0_PRID_COMP_MIPS << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_5K << \ + C0_PRID_PRID_SHF) \ + ) + +#define MIPS_20Kc ( (C0_PRID_COMP_MIPS << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_20Kc << \ + C0_PRID_PRID_SHF) \ + ) + +#define QED_RM52XX ( (C0_PRID_COMP_NOT_MIPS32_64 << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_RM52XX << \ + C0_PRID_PRID_SHF) \ + ) + +#define QED_RM70XX ( (C0_PRID_COMP_NOT_MIPS32_64 << \ + C0_PRID_COMP_SHF) | \ + (C0_PRID_PRID_RM70XX << \ + C0_PRID_PRID_SHF) \ + ) + +/* C0_ENTRYHI register encoding */ + +#define C0_ENTRYHI_VPN2_SHF S_EntryHiVPN2 +#define C0_ENTRYHI_VPN2_MSK M_EntryHiVPN2 + +#define C0_ENTRYHI_ASID_SHF S_EntryHiASID +#define C0_ENTRYHI_ASID_MSK M_EntryHiASID + + +/* C0_CAUSE register encoding */ + +#define C0_CAUSE_BD_SHF S_CauseBD +#define C0_CAUSE_BD_MSK M_CauseBD +#define C0_CAUSE_BD_BIT C0_CAUSE_BD_MSK + +#define C0_CAUSE_CE_SHF S_CauseCE +#define C0_CAUSE_CE_MSK M_CauseCE + +#define C0_CAUSE_IV_SHF S_CauseIV +#define C0_CAUSE_IV_MSK M_CauseIV +#define C0_CAUSE_IV_BIT C0_CAUSE_IV_MSK + +#define C0_CAUSE_WP_SHF S_CauseWP +#define C0_CAUSE_WP_MSK M_CauseWP +#define C0_CAUSE_WP_BIT C0_CAUSE_WP_MSK + +#define C0_CAUSE_IP_SHF S_CauseIP +#define C0_CAUSE_IP_MSK M_CauseIP + +#define C0_CAUSE_CODE_SHF S_CauseExcCode +#define C0_CAUSE_CODE_MSK M_CauseExcCode + +#define C0_CAUSE_CODE_INT EX_INT +#define C0_CAUSE_CODE_MOD EX_MOD +#define C0_CAUSE_CODE_TLBL EX_TLBL +#define C0_CAUSE_CODE_TLBS EX_TLBS +#define C0_CAUSE_CODE_ADEL EX_ADEL +#define C0_CAUSE_CODE_ADES EX_ADES +#define C0_CAUSE_CODE_IBE EX_IBE +#define C0_CAUSE_CODE_DBE EX_DBE +#define C0_CAUSE_CODE_SYS EX_SYS +#define C0_CAUSE_CODE_BP EX_BP +#define C0_CAUSE_CODE_RI EX_RI +#define C0_CAUSE_CODE_CPU EX_CPU +#define C0_CAUSE_CODE_OV EX_OV +#define C0_CAUSE_CODE_TR EV_TR +#define C0_CAUSE_CODE_FPE EX_FPE +#define C0_CAUSE_CODE_WATCH EX_WATCH +#define C0_CAUSE_CODE_MCHECK EX_MCHECK + +/* Max cause code */ +#define C0_CAUSE_CODE_MAX EX_MCHECK + + +/* C0_PAGEMASK register encoding */ +#define C0_PAGEMASK_MASK_SHF S_PageMaskMask +#define C0_PAGEMASK_MASK_MSK M_PageMaskMask +#define C0_PAGEMASK_MASK_4K K_PageMask4K +#define C0_PAGEMASK_MASK_16K K_PageMask16K +#define C0_PAGEMASK_MASK_64K K_PageMask64K +#define C0_PAGEMASK_MASK_256K K_PageMask256K +#define C0_PAGEMASK_MASK_1M K_PageMask1M +#define C0_PAGEMASK_MASK_4M K_PageMask4M +#define C0_PAGEMASK_MASK_16M K_PageMask16M + + +/* C0_ENTRYLO0 register encoding (equiv. to C0_ENTRYLO1) */ +#define C0_ENTRYLO0_PFN_SHF S_EntryLoPFN +#define C0_ENTRYLO0_PFN_MSK M_EntryLoPFN + +#define C0_ENTRYLO0_C_SHF S_EntryLoC +#define C0_ENTRYLO0_C_MSK M_EntryLoC + +#define C0_ENTRYLO0_D_SHF S_EntryLoD +#define C0_ENTRYLO0_D_MSK M_EntryLoD + +#define C0_ENTRYLO0_V_SHF S_EntryLoV +#define C0_ENTRYLO0_V_MSK M_EntryLoV + +#define C0_ENTRYLO0_G_SHF S_EntryLoG +#define C0_ENTRYLO0_G_MSK M_EntryLoG + + +/* FPU (CP1) FIR register encoding */ +#define C1_FIR_3D_SHF S_FIRConfig3D +#define C1_FIR_3D_MSK M_FIRConfig3D + +#define C1_FIR_PS_SHF S_FIRConfigPS +#define C1_FIR_PS_MSK M_FIRConfigPS + +#define C1_FIR_D_SHF S_FIRConfigD +#define C1_FIR_D_MSK M_FIRConfigD + +#define C1_FIR_S_SHF S_FIRConfigS +#define C1_FIR_S_MSK M_FIRConfigS + +#define C1_FIR_PRID_SHF S_FIRImp +#define C1_FIR_PRID_MSK M_FIRImp + +#define C1_FIR_REV_SHF S_FIRRev +#define C1_FIR_REV_MSK M_FIRRev + + +/* FPU (CP1) FCSR control/status register */ +#define C1_FCSR_FCC_SHF S_FCSRFCC7_1 +#define C1_FCSR_FCC_MSK M_FCSRFCC7_1 + +#define C1_FCSR_FS_SHF S_FCSRFS +#define C1_FCSR_FS_MSK M_FCSRFS +#define C1_FCSR_FS_BIT C1_FCSR_FS_MSK + +#define C1_FCSR_CC_SHF S_FCSRCC +#define C1_FCSR_CC_MSK M_FCSRCC + +#define C1_FCSR_IMPL_SHF S_FCSRImpl +#define C1_FCSR_IMPL_MSK M_FCSRImpl + +#define C1_FCSR_EXC_SHF S_FCSRExc +#define C1_FCSR_EXC_MSK M_FCSRExc + +#define C1_FCSR_ENA_SHF S_FCSREna +#define C1_FCSR_ENA_MSK M_FCSREna + +#define C1_FCSR_FLG_SHF S_FCSRFlg +#define C1_FCSR_FLG_MSK M_FCSRFlg + +#define C1_FCSR_RM_SHF S_FCSRRM +#define C1_FCSR_RM_MSK M_FCSRRM +#define C1_FCSR_RM_RN K_FCSRRM_RN +#define C1_FCSR_RM_RZ K_FCSRRM_RZ +#define C1_FCSR_RM_RP K_FCSRRM_RP +#define C1_FCSR_RM_RM K_FCSRRM_RM + + + +/* cache operations */ + +#define CACHE_OP( code, type ) ( ((code) << 2) | (type) ) + +#define ICACHE_INDEX_INVALIDATE CACHE_OP(0x0, 0) +#define ICACHE_INDEX_LOAD_TAG CACHE_OP(0x1, 0) +#define ICACHE_INDEX_STORE_TAG CACHE_OP(0x2, 0) +#define DCACHE_INDEX_WRITEBACK_INVALIDATE CACHE_OP(0x0, 1) +#define DCACHE_INDEX_LOAD_TAG CACHE_OP(0x1, 1) +#define DCACHE_INDEX_STORE_TAG CACHE_OP(0x2, 1) +#define SCACHE_INDEX_STORE_TAG CACHE_OP(0x2, 3) + +#define ICACHE_ADDR_HIT_INVALIDATE CACHE_OP(0x4, 0) +#define ICACHE_ADDR_FILL CACHE_OP(0x5, 0) +#define ICACHE_ADDR_FETCH_LOCK CACHE_OP(0x7, 0) +#define DCACHE_ADDR_HIT_INVALIDATE CACHE_OP(0x4, 1) +#define DCACHE_ADDR_HIT_WRITEBACK_INVALIDATE CACHE_OP(0x5, 1) +#define DCACHE_ADDR_HIT_WRITEBACK CACHE_OP(0x6, 1) +#define DCACHE_ADDR_FETCH_LOCK CACHE_OP(0x7, 1) + +#define SCACHE_ADDR_HIT_WRITEBACK_INVALIDATE CACHE_OP(0x5, 3) + +/* Workaround for bug in early revisions of MIPS 4K family of + * processors. Only relevant in early engineering samples of test + * chips (RTL revision <= 3.0). + * + * The bug is described in : + * + * MIPS32 4K(tm) Processor Core Family RTL Errata Sheet + * MIPS Document No: MD00003 + * + * The bug is identified as : C16 + */ +#ifndef SET_MIPS0 +#define SET_MIPS0() +#define SET_PUSH() +#define SET_POP() +#endif +#define ICACHE_INVALIDATE_WORKAROUND(reg) \ +SET_PUSH(); \ +SET_MIPS0(); \ + la reg, 999f; \ +SET_POP(); \ + cache ICACHE_ADDR_FILL, 0(reg); \ + sync; \ + nop; nop; nop; nop; \ +999: + +/* EMPTY_PIPELINE is used for the below cache invalidation operations. + * When $I is invalidated, there will still be operations in the + * pipeline. We make sure these are 'nop' operations. + */ +#define EMPTY_PIPELINE nop; nop; nop; nop + +#define ICACHE_INDEX_INVALIDATE_OP(index,scratch) \ + ICACHE_INVALIDATE_WORKAROUND(scratch); \ + cache ICACHE_INDEX_INVALIDATE, 0(index); \ + EMPTY_PIPELINE + +#define ICACHE_ADDR_INVALIDATE_OP(addr,scratch) \ + ICACHE_INVALIDATE_WORKAROUND(scratch); \ + cache ICACHE_ADDR_HIT_INVALIDATE, 0(addr); \ + EMPTY_PIPELINE + +/* The sync used in the below macro is there in case we are installing + * a new instruction (flush $D, sync, invalidate $I sequence). + */ +#define SCACHE_ADDR_HIT_WB_INVALIDATE_OP(reg) \ + cache SCACHE_ADDR_HIT_WRITEBACK_INVALIDATE, 0(reg); \ + sync; \ + EMPTY_PIPELINE + +/* Config1 cache field decoding */ +#define CACHE_CALC_SPW(s) ( 64 << (s) ) +#define CACHE_CALC_LS(l) ( (l) ? 2 << (l) : 0 ) +#define CACHE_CALC_BPW(l,s) ( CACHE_CALC_LS(l) * CACHE_CALC_SPW(s) ) +#define CACHE_CALC_ASSOC(a) ( (a) + 1 ) + + +/**** Move from/to Coprocessor operations ****/ + +/* We use ssnop instead of nop operations in order to handle + * superscalar CPUs. + * The "sll zero,zero,1" notation is compiler backwards compatible. + */ +#define SSNOP sll zero,zero,1 +#define NOPS SSNOP; SSNOP; SSNOP; SSNOP + +#define MFLO(dst) \ + mflo dst;\ + NOPS + +/* Workaround for bug in early revisions of MIPS 4K family of + * processors. + * + * This concerns the nop instruction before mtc0 in the + * MTC0 macro below. + * + * The bug is described in : + * + * MIPS32 4K(tm) Processor Core Family RTL Errata Sheet + * MIPS Document No: MD00003 + * + * The bug is identified as : C27 + */ + +#define MTC0(src, dst) \ + nop; \ + mtc0 src,dst;\ + NOPS + +#define DMTC0(src, dst) \ + nop; \ + dmtc0 src,dst;\ + NOPS + +#define MFC0(dst, src) \ + mfc0 dst,src;\ + NOPS + +#define DMFC0(dst, src) \ + dmfc0 dst,src;\ + NOPS + +#define MFC0_SEL_OPCODE(dst, src, sel)\ + .##word (0x40000000 | ((dst)<<16) | ((src)<<11) | (sel));\ + NOPS + +#define MTC0_SEL_OPCODE(dst, src, sel)\ + .##word (0x40800000 | ((dst)<<16) | ((src)<<11) | (sel));\ + NOPS + +#define LDC1(dst, src, offs)\ + .##word (0xd4000000 | ((src)<<21) | ((dst)<<16) | (offs)) + +#define SDC1(src, dst, offs)\ + .##word (0xf4000000 | ((dst)<<21) | ((src)<<16) | (offs)) + + +/* Instruction opcode fields */ +#define OPC_SPECIAL 0x0 +#define OPC_REGIM 0x1 +#define OPC_J 0x2 +#define OPC_JAL 0x3 +#define OPC_BEQ 0x4 +#define OPC_BNE 0x5 +#define OPC_BLEZ 0x6 +#define OPC_BGTZ 0x7 +#define OPC_COP1 0x11 +#define OPC_JALX 0x1D +#define OPC_BEQL 0x14 +#define OPC_BNEL 0x15 +#define OPC_BLEZL 0x16 +#define OPC_BGTZL 0x17 + +/* Instruction function fields */ +#define FUNC_JR 0x8 +#define FUNC_JALR 0x9 + +/* Instruction rt fields */ +#define RT_BLTZ 0x0 +#define RT_BGEZ 0x1 +#define RT_BLTZL 0x2 +#define RT_BGEZL 0x3 +#define RT_BLTZAL 0x10 +#define RT_BGEZAL 0x11 +#define RT_BLTZALL 0x12 +#define RT_BGEZALL 0x13 + +/* Instruction rs fields */ +#define RS_BC1 0x08 + +/* Access macros for instruction fields */ +#define MIPS_OPCODE( instr) ((instr) >> 26) +#define MIPS_FUNCTION(instr) ((instr) & MSK(6)) +#define MIPS_RT(instr) (((instr) >> 16) & MSK(5)) +#define MIPS_RS(instr) (((instr) >> 21) & MSK(5)) +#define MIPS_OFFSET(instr) ((instr) & 0xFFFF) +#define MIPS_TARGET(instr) ((instr) & MSK(26)) + +/* Instructions */ +#define OPCODE_DERET 0x4200001f +#define OPCODE_BREAK 0x0005000d +#define OPCODE_NOP 0 +#define OPCODE_JUMP(addr) ( (OPC_J << 26) | (((addr) >> 2) & 0x3FFFFFF) ) + +#define DERET .##word OPCODE_DERET + +/* MIPS16e opcodes and instruction field access macros */ + +#define MIPS16E_OPCODE(inst) (((inst) >> 11) & 0x1f) +#define MIPS16E_I8_FUNCTION(inst) (((inst) >> 8) & 0x7) +#define MIPS16E_X(inst) (((inst) >> 26) & 0x1) +#define MIPS16E_RR_FUNCTION(inst) (((inst) >> 0) & 0x1f) +#define MIPS16E_RY(inst) (((inst) >> 5) & 0x3) +#define MIPS16E_OPC_EXTEND 0x1e +#define MIPS16E_OPC_JAL_X 0x03 +#define MIPS16E_OPC_B 0x02 +#define MIPS16E_OPC_BEQZ 0x04 +#define MIPS16E_OPC_BNEZ 0x05 +#define MIPS16E_OPC_I8 0x0c +#define MIPS16E_I8_FUNC_BTEQZ 0x00 +#define MIPS16E_I8_FUNC_BTNEZ 0x01 +#define MIPS16E_X_JALX 0x01 +#define MIPS16E_OPC_RR 0x1d +#define MIPS16E_RR_FUNC_JALRC 0x00 +#define MIPS16E_RR_RY_JRRX 0x00 +#define MIPS16E_RR_RY_JRRA 0x01 +#define MIPS16E_RR_RY_JALR 0x02 +#define MIPS16E_RR_RY_JRCRX 0x04 +#define MIPS16E_RR_RY_JRCRA 0x05 +#define MIPS16E_RR_RY_JALRC 0x06 + +#define MIPS16E_OPCODE_BREAK 0xE805 +#define MIPS16E_OPCODE_NOP 0x6500 + +/* MIPS reset vector */ +#define MIPS_RESET_VECTOR 0x1fc00000 + +/* Clock periods per count register increment */ +#define MIPS4K_COUNT_CLK_PER_CYCLE 2 +#define MIPS5K_COUNT_CLK_PER_CYCLE 2 +#define MIPS20Kc_COUNT_CLK_PER_CYCLE 1 + + +/**** MIPS 4K/5K families specific fields of CONFIG register ****/ + +#define C0_CONFIG_MIPS4K5K_K23_SHF S_ConfigK23 +#define C0_CONFIG_MIPS4K5K_K23_MSK (MSK(3) << C0_CONFIG_MIPS4K5K_K23_SHF) + +#define C0_CONFIG_MIPS4K5K_KU_SHF S_ConfigKU +#define C0_CONFIG_MIPS4K5K_KU_MSK (MSK(3) << C0_CONFIG_MIPS4K5K_KU_SHF) + + +/**** MIPS 20Kc specific fields of CONFIG register ****/ + +#define C0_CONFIG_MIPS20KC_EC_SHF 28 +#define C0_CONFIG_MIPS20KC_EC_MSK (MSK(3) << C0_CONFIG_MIPS20KC_EC_SHF) + +#define C0_CONFIG_MIPS20KC_DD_SHF 27 +#define C0_CONFIG_MIPS20KC_DD_MSK (MSK(1) << C0_CONFIG_MIPS20KC_DD_SHF) +#define C0_CONFIG_MIPS20KC_DD_BIT C0_CONFIG_MIPS20KC_DD_MSK + +#define C0_CONFIG_MIPS20KC_LP_SHF 26 +#define C0_CONFIG_MIPS20KC_LP_MSK (MSK(1) << C0_CONFIG_MIPS20KC_LP_SHF) +#define C0_CONFIG_MIPS20KC_LP_BIT C0_CONFIG_MIPS20KC_LP_MSK + +#define C0_CONFIG_MIPS20KC_SP_SHF 25 +#define C0_CONFIG_MIPS20KC_SP_MSK (MSK(1) << C0_CONFIG_MIPS20KC_SP_SHF) +#define C0_CONFIG_MIPS20KC_SP_BIT C0_CONFIG_MIPS20KC_SP_MSK + +#define C0_CONFIG_MIPS20KC_TI_SHF 24 +#define C0_CONFIG_MIPS20KC_TI_MSK (MSK(1) << C0_CONFIG_MIPS20KC_TI_SHF) +#define C0_CONFIG_MIPS20KC_TI_BIT C0_CONFIG_MIPS20KC_TI_MSK + + +/* ********************************************************************* */ +/* Interface function definition */ + + +/* ********************************************************************* */ + +#endif /* #ifndef __MIPS_H__ */ -- cgit v1.2.3