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author | Ralf Baechle <ralf@linux-mips.org> | 2008-09-16 17:48:51 (GMT) |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 15:18:52 (GMT) |
commit | 384740dc49ea651ba350704d13ff6be9976e37fe (patch) | |
tree | a6e80cad287ccae7a86d81bfa692fc96889c88ed /arch/mips/include/asm/mipsmtregs.h | |
parent | e8c7c482347574ecdd45c43e32c332d5fc2ece61 (diff) | |
download | linux-fsl-qoriq-384740dc49ea651ba350704d13ff6be9976e37fe.tar.xz |
MIPS: Move headfiles to new location below arch/mips/include
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/mipsmtregs.h')
-rw-r--r-- | arch/mips/include/asm/mipsmtregs.h | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h new file mode 100644 index 0000000..c9420aa --- /dev/null +++ b/arch/mips/include/asm/mipsmtregs.h @@ -0,0 +1,395 @@ +/* + * 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_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 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) + +/* 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 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 noreorder \n" + " .set mips32r2 \n" + " .word 0x41600be1 # emt \n" + " ehb \n" + " .set mips0 \n" + " .set reorder"); +} + +/* 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 mips32r2 \n" + " ehb \n" + " .set mips0 \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_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 |