/* 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>
#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_(0 xff))
#define MVPCONF0_PVPE_SHIFT 10
#define MVPCONF0_PVPE ( _ULCAST_(0 xf) << 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_(0 x3ff) << 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_(0 x1) << 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_(0 xff))
#define VPECONTROL_TE_SHIFT 15
#define VPECONTROL_TE (_ULCAST_(1 ) << VPECONTROL_TE_SHIFT)
#define VPECONTROL_EXCPT_SHIFT 16
#define VPECONTROL_EXCPT (_ULCAST_(0 x7) << 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_(0 xff) << VPECONF0_XTC_SHIFT)
/* VPEConf1 fields (per VPE) */
#define VPECONF1_NCP1_SHIFT 0
#define VPECONF1_NCP1 (_ULCAST_(0 xff) << VPECONF1_NCP1_SHIFT)
#define VPECONF1_NCP2_SHIFT 10
#define VPECONF1_NCP2 (_ULCAST_(0 xff) << VPECONF1_NCP2_SHIFT)
#define VPECONF1_NCX_SHIFT 20
#define VPECONF1_NCX (_ULCAST_(0 xff) << VPECONF1_NCX_SHIFT)
/* TCStatus fields (per TC) */
#define TCSTATUS_TASID (_ULCAST_(0 xff))
#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_(0 xf))
#define TCBIND_CURTC_SHIFT 21
#define TCBIND_CURTC (_ULCAST_(0 xff) << 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 ;
}
#define _ASM_SET_DVPE \
_ASM_MACRO_1R(dvpe, rt, \
_ASM_INSN_IF_MIPS(0 x41600001 | __rt << 16 ) \
_ASM_INSN32_IF_MM(0 x0000157C | __rt << 21 ))
#define _ASM_UNSET_DVPE ".purgem dvpe\n\t"
static inline unsigned int dvpe(void )
{
int res = 0 ;
__asm__ __volatile__(
" .set push \n"
" .set " MIPS_ISA_LEVEL" \n"
_ASM_SET_DVPE
" dvpe %0 \n"
" ehb \n"
_ASM_UNSET_DVPE
" .set pop \n"
: "=r" (res));
instruction_hazard();
return res;
}
#define _ASM_SET_EVPE \
_ASM_MACRO_1R(evpe, rt, \
_ASM_INSN_IF_MIPS(0 x41600021 | __rt << 16 ) \
_ASM_INSN32_IF_MM(0 x0000357C | __rt << 21 ))
#define _ASM_UNSET_EVPE ".purgem evpe\n\t"
static inline void __raw_evpe(void )
{
__asm__ __volatile__(
" .set push \n"
" .set " MIPS_ISA_LEVEL" \n"
_ASM_SET_EVPE
" evpe $0 \n"
" ehb \n"
_ASM_UNSET_EVPE
" .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();
}
#define _ASM_SET_DMT \
_ASM_MACRO_1R(dmt, rt, \
_ASM_INSN_IF_MIPS(0 x41600bc1 | __rt << 16 ) \
_ASM_INSN32_IF_MM(0 x0000057C | __rt << 21 ))
#define _ASM_UNSET_DMT ".purgem dmt\n\t"
static inline unsigned int dmt(void )
{
int res;
__asm__ __volatile__(
" .set push \n"
" .set " MIPS_ISA_LEVEL" \n"
_ASM_SET_DMT
" dmt %0 \n"
" ehb \n"
_ASM_UNSET_DMT
" .set pop \n"
: "=r" (res));
instruction_hazard();
return res;
}
#define _ASM_SET_EMT \
_ASM_MACRO_1R(emt, rt, \
_ASM_INSN_IF_MIPS(0 x41600be1 | __rt << 16 ) \
_ASM_INSN32_IF_MM(0 x0000257C | __rt << 21 ))
#define _ASM_UNSET_EMT ".purgem emt\n\t"
static inline void __raw_emt(void )
{
__asm__ __volatile__(
" .set push \n"
" .set " MIPS_ISA_LEVEL" \n"
_ASM_SET_EMT
" emt $0 \n"
_ASM_UNSET_EMT
" 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 " MIPS_ISA_LEVEL" \n"
" ehb \n"
" .set pop \n" );
}
#define _ASM_SET_MFTC0 \
_ASM_MACRO_2R_1S(mftc0, rs, rt, sel, \
_ASM_INSN_IF_MIPS(0 x41000000 | __rt << 16 | \
__rs << 11 | \\sel) \
_ASM_INSN32_IF_MM(0 x0000000E | __rt << 21 | \
__rs << 16 | \\sel << 4 ))
#define _ASM_UNSET_MFTC0 ".purgem mftc0\n\t"
#define mftc0(rt, sel) \
({ \
unsigned long __res; \
\
__asm__ __volatile__( \
" .set push \n" \
" .set " MIPS_ISA_LEVEL" \n" \
_ASM_SET_MFTC0 \
" mftc0 %0, " #rt ", " #sel " \n" \
_ASM_UNSET_MFTC0 \
" .set pop \n" \
: "=r" (__res)); \
\
__res; \
})
#define _ASM_SET_MFTGPR \
_ASM_MACRO_2R(mftgpr, rs, rt, \
_ASM_INSN_IF_MIPS(0 x41000020 | __rt << 16 | \
__rs << 11 ) \
_ASM_INSN32_IF_MM(0 x0000040E | __rt << 21 | \
__rs << 16 ))
#define _ASM_UNSET_MFTGPR ".purgem mftgpr\n\t"
#define mftgpr(rt) \
({ \
unsigned long __res; \
\
__asm__ __volatile__( \
" .set push \n" \
" .set " MIPS_ISA_LEVEL" \n" \
_ASM_SET_MFTGPR \
" mftgpr %0," #rt " \n" \
_ASM_UNSET_MFTGPR \
" .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 _ASM_SET_MTTGPR \
_ASM_MACRO_2R(mttgpr, rt, rs, \
_ASM_INSN_IF_MIPS(0 x41800020 | __rt << 16 | \
__rs << 11 ) \
_ASM_INSN32_IF_MM(0 x00000406 | __rt << 21 | \
__rs << 16 ))
#define _ASM_UNSET_MTTGPR ".purgem mttgpr\n\t"
#define mttgpr(rs, v) \
do { \
__asm__ __volatile__( \
" .set push \n" \
" .set " MIPS_ISA_LEVEL" \n" \
_ASM_SET_MTTGPR \
" mttgpr %0, " #rs " \n" \
_ASM_UNSET_MTTGPR \
" .set pop \n" \
: : "r" (v)); \
} while (0 )
#define _ASM_SET_MTTC0 \
_ASM_MACRO_2R_1S(mttc0, rt, rs, sel, \
_ASM_INSN_IF_MIPS(0 x41800000 | __rt << 16 | \
__rs << 11 | \\sel) \
_ASM_INSN32_IF_MM(0 x0000040E | __rt << 21 | \
__rs << 16 | \\sel << 4 ))
#define _ASM_UNSET_MTTC0 ".purgem mttc0\n\t"
#define mttc0(rs, sel, v) \
({ \
__asm__ __volatile__( \
" .set push \n" \
" .set " MIPS_ISA_LEVEL" \n" \
_ASM_SET_MTTC0 \
" mttc0 %0," #rs ", " #sel " \n" \
_ASM_UNSET_MTTC0 \
" .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
Messung V0.5 in Prozent C=93 H=70 G=82
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-05)
¤
*© Formatika GbR, Deutschland