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/* SPDX-License-Identifier: GPL-2.0 / / * MT regs definitions, follows on from mipsregs.h * Copyright (C) 2004 - 2005 MIPS Technologies, Inc. All rights reserved. * Elizabeth Clarke et. al. * / #ifndef _ASM_MIPSMTREGS_H #define _ASM_MIPSMTREGS_H #include <asm/mipsregs.h> #include <asm/war.h> #ifndef __ASSEMBLY__ / * C macros / #define read_c0_mvpcontrol() __read_32bit_c0_register($0, 1) #define write_c0_mvpcontrol(val) __write_32bit_c0_register($0, 1, val) #define read_c0_mvpconf0() __read_32bit_c0_register($0, 2) #define read_c0_mvpconf1() __read_32bit_c0_register($0, 3) #define read_c0_vpecontrol() __read_32bit_c0_register($1, 1) #define write_c0_vpecontrol(val) __write_32bit_c0_register($1, 1, val) #define read_c0_vpeconf0() __read_32bit_c0_register($1, 2) #define write_c0_vpeconf0(val) __write_32bit_c0_register($1, 2, val) #define read_c0_vpeconf1() __read_32bit_c0_register($1, 3) #define write_c0_vpeconf1(val) __write_32bit_c0_register($1, 3, val) #define read_c0_tcstatus() __read_32bit_c0_register($2, 1) #define write_c0_tcstatus(val) __write_32bit_c0_register($2, 1, val) #define read_c0_tcbind() __read_32bit_c0_register($2, 2) #define write_c0_tchalt(val) __write_32bit_c0_register($2, 4, val) #define read_c0_tccontext() __read_32bit_c0_register($2, 5) #define write_c0_tccontext(val) __write_32bit_c0_register($2, 5, val) #else / Assembly / / * Macros for use in assembly language code / #define CP0_MVPCONTROL $0, 1 #define CP0_MVPCONF0 $0, 2 #define CP0_MVPCONF1 $0, 3 #define CP0_VPECONTROL $1, 1 #define CP0_VPECONF0 $1, 2 #define CP0_VPECONF1 $1, 3 #define CP0_YQMASK $1, 4 #define CP0_VPESCHEDULE $1, 5 #define CP0_VPESCHEFBK $1, 6 #define CP0_TCSTATUS $2, 1 #define CP0_TCBIND $2, 2 #define CP0_TCRESTART $2, 3 #define CP0_TCHALT $2, 4 #define CP0_TCCONTEXT $2, 5 #define CP0_TCSCHEDULE $2, 6 #define CP0_TCSCHEFBK $2, 7 #define CP0_SRSCONF0 $6, 1 #define CP0_SRSCONF1 $6, 2 #define CP0_SRSCONF2 $6, 3 #define CP0_SRSCONF3 $6, 4 #define CP0_SRSCONF4 $6, 5 #endif / MVPControl fields / #define MVPCONTROL_EVP (_ULCAST_(1)) #define MVPCONTROL_VPC_SHIFT 1 #define MVPCONTROL_VPC (_ULCAST_(1) << MVPCONTROL_VPC_SHIFT) #define MVPCONTROL_STLB_SHIFT 2 #define MVPCONTROL_STLB (_ULCAST_(1) << MVPCONTROL_STLB_SHIFT) / MVPConf0 fields / #define MVPCONF0_PTC_SHIFT 0 #define MVPCONF0_PTC ( _ULCAST_(0xff)) #define MVPCONF0_PVPE_SHIFT 10 #define MVPCONF0_PVPE ( _ULCAST_(0xf) << MVPCONF0_PVPE_SHIFT) #define MVPCONF0_TCA_SHIFT 15 #define MVPCONF0_TCA ( _ULCAST_(1) << MVPCONF0_TCA_SHIFT) #define MVPCONF0_PTLBE_SHIFT 16 #define MVPCONF0_PTLBE (_ULCAST_(0x3ff) << MVPCONF0_PTLBE_SHIFT) #define MVPCONF0_TLBS_SHIFT 29 #define MVPCONF0_TLBS (_ULCAST_(1) << MVPCONF0_TLBS_SHIFT) #define MVPCONF0_M_SHIFT 31 #define MVPCONF0_M (_ULCAST_(0x1) << MVPCONF0_M_SHIFT) / config3 fields / #define CONFIG3_MT_SHIFT 2 #define CONFIG3_MT (_ULCAST_(1) << CONFIG3_MT_SHIFT) / VPEControl fields (per VPE) / #define VPECONTROL_TARGTC (_ULCAST_(0xff)) #define VPECONTROL_TE_SHIFT 15 #define VPECONTROL_TE (_ULCAST_(1) << VPECONTROL_TE_SHIFT) #define VPECONTROL_EXCPT_SHIFT 16 #define VPECONTROL_EXCPT (_ULCAST_(0x7) << VPECONTROL_EXCPT_SHIFT) / Thread Exception Codes for EXCPT field / #define THREX_TU 0 #define THREX_TO 1 #define THREX_IYQ 2 #define THREX_GSX 3 #define THREX_YSCH 4 #define THREX_GSSCH 5 #define VPECONTROL_GSI_SHIFT 20 #define VPECONTROL_GSI (_ULCAST_(1) << VPECONTROL_GSI_SHIFT) #define VPECONTROL_YSI_SHIFT 21 #define VPECONTROL_YSI (_ULCAST_(1) << VPECONTROL_YSI_SHIFT) / VPEConf0 fields (per VPE) / #define VPECONF0_VPA_SHIFT 0 #define VPECONF0_VPA (_ULCAST_(1) << VPECONF0_VPA_SHIFT) #define VPECONF0_MVP_SHIFT 1 #define VPECONF0_MVP (_ULCAST_(1) << VPECONF0_MVP_SHIFT) #define VPECONF0_XTC_SHIFT 21 #define VPECONF0_XTC (_ULCAST_(0xff) << VPECONF0_XTC_SHIFT) / VPEConf1 fields (per VPE) / #define VPECONF1_NCP1_SHIFT 0 #define VPECONF1_NCP1 (_ULCAST_(0xff) << VPECONF1_NCP1_SHIFT) #define VPECONF1_NCP2_SHIFT 10 #define VPECONF1_NCP2 (_ULCAST_(0xff) << VPECONF1_NCP2_SHIFT) #define VPECONF1_NCX_SHIFT 20 #define VPECONF1_NCX (_ULCAST_(0xff) << VPECONF1_NCX_SHIFT) / TCStatus fields (per TC) / #define TCSTATUS_TASID (_ULCAST_(0xff)) #define TCSTATUS_IXMT_SHIFT 10 #define TCSTATUS_IXMT (_ULCAST_(1) << TCSTATUS_IXMT_SHIFT) #define TCSTATUS_TKSU_SHIFT 11 #define TCSTATUS_TKSU (_ULCAST_(3) << TCSTATUS_TKSU_SHIFT) #define TCSTATUS_A_SHIFT 13 #define TCSTATUS_A (_ULCAST_(1) << TCSTATUS_A_SHIFT) #define TCSTATUS_DA_SHIFT 15 #define TCSTATUS_DA (_ULCAST_(1) << TCSTATUS_DA_SHIFT) #define TCSTATUS_DT_SHIFT 20 #define TCSTATUS_DT (_ULCAST_(1) << TCSTATUS_DT_SHIFT) #define TCSTATUS_TDS_SHIFT 21 #define TCSTATUS_TDS (_ULCAST_(1) << TCSTATUS_TDS_SHIFT) #define TCSTATUS_TSST_SHIFT 22 #define TCSTATUS_TSST (_ULCAST_(1) << TCSTATUS_TSST_SHIFT) #define TCSTATUS_RNST_SHIFT 23 #define TCSTATUS_RNST (_ULCAST_(3) << TCSTATUS_RNST_SHIFT) / Codes for RNST / #define TC_RUNNING 0 #define TC_WAITING 1 #define TC_YIELDING 2 #define TC_GATED 3 #define TCSTATUS_TMX_SHIFT 27 #define TCSTATUS_TMX (_ULCAST_(1) << TCSTATUS_TMX_SHIFT) / TCStatus TCU bits can use same definitions/offsets as CU bits in Status / / TCBind / #define TCBIND_CURVPE_SHIFT 0 #define TCBIND_CURVPE (_ULCAST_(0xf)) #define TCBIND_CURTC_SHIFT 21 #define TCBIND_CURTC (_ULCAST_(0xff) << TCBIND_CURTC_SHIFT) / TCHalt / #define TCHALT_H (_ULCAST_(1)) #ifndef __ASSEMBLY__ static inline unsigned core_nvpes(void) { unsigned conf0; if (!cpu_has_mipsmt) return 1; conf0 = read_c0_mvpconf0(); return ((conf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1; } static inline unsigned int dvpe(void) { int res = 0; __asm__ __volatile__( " .set push \n" " .set noreorder \n" " .set noat \n" " .set mips32r2 \n" " .word 0x41610001 # dvpe $1 \n" " move %0, $1 \n" " ehb \n" " .set pop \n" : "=r" (res)); instruction_hazard(); return res; } static inline void __raw_evpe(void) { __asm__ __volatile__( " .set push \n" " .set noreorder \n" " .set noat \n" " .set mips32r2 \n" " .word 0x41600021 # evpe \n" " ehb \n" " .set pop \n"); } / Enable virtual processor execution if previous suggested it should be. EVPE_ENABLE to force / #define EVPE_ENABLE MVPCONTROL_EVP static inline void evpe(int previous) { if ((previous & MVPCONTROL_EVP)) __raw_evpe(); } static inline unsigned int dmt(void) { int res; __asm__ __volatile__( " .set push \n" " .set mips32r2 \n" " .set noat \n" " .word 0x41610BC1 # dmt $1 \n" " ehb \n" " move %0, $1 \n" " .set pop \n" : "=r" (res)); instruction_hazard(); return res; } static inline void __raw_emt(void) { __asm__ __volatile__( " .set push \n" " .set noreorder \n" " .set mips32r2 \n" " .word 0x41600be1 # emt \n" " ehb \n" " .set pop"); } / enable multi-threaded execution if previous suggested it should be. EMT_ENABLE to force / #define EMT_ENABLE VPECONTROL_TE static inline void emt(int previous) { if ((previous & EMT_ENABLE)) __raw_emt(); } static inline void ehb(void) { __asm__ __volatile__( " .set push \n" " .set mips32r2 \n" " ehb \n" " .set pop \n"); } #define mftc0(rt,sel) \ ({ \ unsigned long __res; \ \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ " .set noat \n" \ " # mftc0 $1, $" #rt ", " #sel " \n" \ " .word 0x41000800 \| (" #rt " << 16) \| " #sel " \n" \ " move %0, $1 \n" \ " .set pop \n" \ : "=r" (__res)); \ \ __res; \ }) #define mftgpr(rt) \ ({ \ unsigned long __res; \ \ __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ " .set mips32r2 \n" \ " # mftgpr $1," #rt " \n" \ " .word 0x41000820 \| (" #rt " << 16) \n" \ " move %0, $1 \n" \ " .set pop \n" \ : "=r" (__res)); \ \ __res; \ }) #define mftr(rt, u, sel) \ ({ \ unsigned long __res; \ \ __asm__ __volatile__( \ " mftr %0, " #rt ", " #u ", " #sel " \n" \ : "=r" (__res)); \ \ __res; \ }) #define mttgpr(rd,v) \ do { \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ " .set noat \n" \ " move $1, %0 \n" \ " # mttgpr $1, " #rd " \n" \ " .word 0x41810020 \| (" #rd " << 11) \n" \ " .set pop \n" \ : : "r" (v)); \ } while (0) #define mttc0(rd, sel, v) \ ({ \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ " .set noat \n" \ " move $1, %0 \n" \ " # mttc0 %0," #rd ", " #sel " \n" \ " .word 0x41810000 \| (" #rd " << 11) \| " #sel " \n" \ " .set pop \n" \ : \ : "r" (v)); \ }) #define mttr(rd, u, sel, v) \ ({ \ __asm__ __volatile__( \ "mttr %0," #rd ", " #u ", " #sel \ : : "r" (v)); \ }) #define settc(tc) \ do { \ write_c0_vpecontrol((read_c0_vpecontrol()&~VPECONTROL_TARGTC) \| (tc)); \ ehb(); \ } while (0) / you must set the target tc (settc) before trying to use these / #define read_vpe_c0_vpecontrol() mftc0(1, 1) #define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val) #define read_vpe_c0_vpeconf0() mftc0(1, 2) #define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val) #define read_vpe_c0_vpeconf1() mftc0(1, 3) #define write_vpe_c0_vpeconf1(val) mttc0(1, 3, val) #define read_vpe_c0_count() mftc0(9, 0) #define write_vpe_c0_count(val) mttc0(9, 0, val) #define read_vpe_c0_status() mftc0(12, 0) #define write_vpe_c0_status(val) mttc0(12, 0, val) #define read_vpe_c0_cause() mftc0(13, 0) #define write_vpe_c0_cause(val) mttc0(13, 0, val) #define read_vpe_c0_config() mftc0(16, 0) #define write_vpe_c0_config(val) mttc0(16, 0, val) #define read_vpe_c0_config1() mftc0(16, 1) #define write_vpe_c0_config1(val) mttc0(16, 1, val) #define read_vpe_c0_config7() mftc0(16, 7) #define write_vpe_c0_config7(val) mttc0(16, 7, val) #define read_vpe_c0_ebase() mftc0(15, 1) #define write_vpe_c0_ebase(val) mttc0(15, 1, val) #define write_vpe_c0_compare(val) mttc0(11, 0, val) #define read_vpe_c0_badvaddr() mftc0(8, 0) #define read_vpe_c0_epc() mftc0(14, 0) #define write_vpe_c0_epc(val) mttc0(14, 0, val) / TC / #define read_tc_c0_tcstatus() mftc0(2, 1) #define write_tc_c0_tcstatus(val) mttc0(2, 1, val) #define read_tc_c0_tcbind() mftc0(2, 2) #define write_tc_c0_tcbind(val) mttc0(2, 2, val) #define read_tc_c0_tcrestart() mftc0(2, 3) #define write_tc_c0_tcrestart(val) mttc0(2, 3, val) #define read_tc_c0_tchalt() mftc0(2, 4) #define write_tc_c0_tchalt(val) mttc0(2, 4, val) #define read_tc_c0_tccontext() mftc0(2, 5) #define write_tc_c0_tccontext(val) mttc0(2, 5, val) / GPR / #define read_tc_gpr_sp() mftgpr(29) #define write_tc_gpr_sp(val) mttgpr(29, val) #define read_tc_gpr_gp() mftgpr(28) #define write_tc_gpr_gp(val) mttgpr(28, val) __BUILD_SET_C0(mvpcontrol) #endif / Not __ASSEMBLY__ */ #endif

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