diff options
Diffstat (limited to 'arch/mips/include/asm/mipsregs.h')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 341 |
1 files changed, 208 insertions, 133 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 0d5a30988697..ec58cb76d076 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -17,7 +17,6 @@ #include <linux/types.h> #include <asm/hazards.h> #include <asm/isa-rev.h> -#include <asm/war.h> /* * The following macros are especially useful for __asm__ @@ -86,6 +85,7 @@ #define CP0_XCONTEXT $20 #define CP0_FRAMEMASK $21 #define CP0_DIAGNOSTIC $22 +#define CP0_DIAGNOSTIC1 $22, 1 #define CP0_DEBUG $23 #define CP0_DEPC $24 #define CP0_PERFORMANCE $25 @@ -98,7 +98,7 @@ /* * R4640/R4650 cp0 register names. These registers are listed - * here only for completeness; without MMU these CPUs are not useable + * here only for completeness; without MMU these CPUs are not usable * by Linux. A future ELKS port might take make Linux run on them * though ... */ @@ -164,18 +164,6 @@ /* * Values for PageMask register */ -#ifdef CONFIG_CPU_VR41XX - -/* Why doesn't stupidity hurt ... */ - -#define PM_1K 0x00000000 -#define PM_4K 0x00001800 -#define PM_16K 0x00007800 -#define PM_64K 0x0001f800 -#define PM_256K 0x0007f800 - -#else - #define PM_4K 0x00000000 #define PM_8K 0x00002000 #define PM_16K 0x00006000 @@ -194,8 +182,6 @@ #define PM_256M 0x1fffe000 #define PM_1G 0x7fffe000 -#endif - /* * Default page size for a given kernel configuration */ @@ -388,6 +374,13 @@ #define ST0_CU3 0x80000000 #define ST0_XX 0x80000000 /* MIPS IV naming */ +/* in-kernel enabled CUs */ +#ifdef CONFIG_CPU_LOONGSON64 +#define ST0_KERNEL_CUMASK (ST0_CU0 | ST0_CU2) +#else +#define ST0_KERNEL_CUMASK ST0_CU0 +#endif + /* * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2) */ @@ -468,10 +461,14 @@ #define EXCCODE_THREAD 25 /* Thread exceptions (MT) */ #define EXCCODE_DSPDIS 26 /* DSP disabled exception */ #define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */ +#define EXCCODE_CACHEERR 30 /* Parity/ECC occurred on a core */ /* Implementation specific trap codes used by MIPS cores */ #define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */ +/* Implementation specific trap codes used by Loongson cores */ +#define LOONGSON_EXCCODE_GSEXC 16 /* Loongson-specific exception */ + /* * Bits in the coprocessor 0 config register. */ @@ -563,6 +560,17 @@ #define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7) #define MIPS_CONF_AR (_ULCAST_(7) << 10) #define MIPS_CONF_AT (_ULCAST_(3) << 13) +#define MIPS_CONF_BE (_ULCAST_(1) << 15) +#define MIPS_CONF_BM (_ULCAST_(1) << 16) +#define MIPS_CONF_MM (_ULCAST_(3) << 17) +#define MIPS_CONF_MM_SYSAD (_ULCAST_(1) << 17) +#define MIPS_CONF_MM_FULL (_ULCAST_(2) << 17) +#define MIPS_CONF_SB (_ULCAST_(1) << 21) +#define MIPS_CONF_UDI (_ULCAST_(1) << 22) +#define MIPS_CONF_DSP (_ULCAST_(1) << 23) +#define MIPS_CONF_ISP (_ULCAST_(1) << 24) +#define MIPS_CONF_KU (_ULCAST_(3) << 25) +#define MIPS_CONF_K23 (_ULCAST_(3) << 28) #define MIPS_CONF_M (_ULCAST_(1) << 31) /* @@ -674,13 +682,38 @@ #define MIPS_CONF5_CV (_ULCAST_(1) << 29) #define MIPS_CONF5_K (_ULCAST_(1) << 30) -#define MIPS_CONF6_SYND (_ULCAST_(1) << 13) +/* Config6 feature bits for proAptiv/P5600 */ + +/* Jump register cache prediction disable */ +#define MTI_CONF6_JRCD (_ULCAST_(1) << 0) +/* MIPSr6 extensions enable */ +#define MTI_CONF6_R6 (_ULCAST_(1) << 2) +/* IFU Performance Control */ +#define MTI_CONF6_IFUPERFCTL (_ULCAST_(3) << 10) +#define MTI_CONF6_SYND (_ULCAST_(1) << 13) +/* Sleep state performance counter disable */ +#define MTI_CONF6_SPCD (_ULCAST_(1) << 14) /* proAptiv FTLB on/off bit */ -#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15) -/* Loongson-3 FTLB on/off bit */ -#define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22) +#define MTI_CONF6_FTLBEN (_ULCAST_(1) << 15) +/* Disable load/store bonding */ +#define MTI_CONF6_DLSB (_ULCAST_(1) << 21) /* FTLB probability bits */ -#define MIPS_CONF6_FTLBP_SHIFT (16) +#define MTI_CONF6_FTLBP_SHIFT (16) + +/* Config6 feature bits for Loongson-3 */ + +/* Loongson-3 internal timer bit */ +#define LOONGSON_CONF6_INTIMER (_ULCAST_(1) << 6) +/* Loongson-3 external timer bit */ +#define LOONGSON_CONF6_EXTIMER (_ULCAST_(1) << 7) +/* Loongson-3 SFB on/off bit, STFill in manual */ +#define LOONGSON_CONF6_SFBEN (_ULCAST_(1) << 8) +/* Loongson-3's LL on exclusive cacheline */ +#define LOONGSON_CONF6_LLEXC (_ULCAST_(1) << 16) +/* Loongson-3's SC has a random delay */ +#define LOONGSON_CONF6_SCRAND (_ULCAST_(1) << 17) +/* Loongson-3 FTLB on/off bit, VTLBOnly in manual */ +#define LOONGSON_CONF6_FTLBDIS (_ULCAST_(1) << 22) #define MIPS_CONF7_WII (_ULCAST_(1) << 31) @@ -753,10 +786,18 @@ /* MAAR bit definitions */ #define MIPS_MAAR_VH (_U64CAST_(1) << 63) -#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12) +#define MIPS_MAAR_ADDR GENMASK_ULL(55, 12) #define MIPS_MAAR_ADDR_SHIFT 12 #define MIPS_MAAR_S (_ULCAST_(1) << 1) #define MIPS_MAAR_VL (_ULCAST_(1) << 0) +#ifdef CONFIG_XPA +#define MIPS_MAAR_V (MIPS_MAAR_VH | MIPS_MAAR_VL) +#else +#define MIPS_MAAR_V MIPS_MAAR_VL +#endif +#define MIPS_MAARX_VH (_ULCAST_(1) << 31) +#define MIPS_MAARX_ADDR 0xF +#define MIPS_MAARX_ADDR_SHIFT 32 /* MAARI bit definitions */ #define MIPS_MAARI_INDEX (_ULCAST_(0x3f) << 0) @@ -993,15 +1034,26 @@ /* Disable Branch Return Cache */ #define R10K_DIAG_D_BRC (_ULCAST_(1) << 22) +/* Flush BTB */ +#define LOONGSON_DIAG_BTB (_ULCAST_(1) << 1) /* Flush ITLB */ #define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2) /* Flush DTLB */ #define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3) +/* Allow some CACHE instructions (CACHE0, 1, 3, 21 and 23) in user mode */ +#define LOONGSON_DIAG_UCAC (_ULCAST_(1) << 8) /* Flush VTLB */ #define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12) /* Flush FTLB */ #define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13) +/* + * Diag1 (GSCause in Loongson-speak) fields + */ +/* Loongson-specific exception code (GSExcCode) */ +#define LOONGSON_DIAG1_EXCCODE_SHIFT 2 +#define LOONGSON_DIAG1_EXCCODE GENMASK(6, 2) + /* CvmCtl register field definitions */ #define CVMCTL_IPPCI_SHIFT 7 #define CVMCTL_IPPCI (_U64CAST_(0x7) << CVMCTL_IPPCI_SHIFT) @@ -1018,6 +1070,10 @@ #define CVMVMCONF_RMMUSIZEM1_S 0 #define CVMVMCONF_RMMUSIZEM1 (_U64CAST_(0xff) << CVMVMCONF_RMMUSIZEM1_S) +/* Debug register field definitions */ +#define MIPS_DEBUG_DBP_SHIFT 1 +#define MIPS_DEBUG_DBP (_ULCAST_(1) << MIPS_DEBUG_DBP_SHIFT) + /* * Coprocessor 1 (FPU) register names */ @@ -1101,9 +1157,12 @@ /* * Bits 22:20 of the FPU Status Register will be read as 0, * and should be written as zero. + * MAC2008 was removed in Release 5 so we still treat it as + * reserved. */ #define FPU_CSR_RSVD (_ULCAST_(7) << 20) +#define FPU_CSR_MAC2008 (_ULCAST_(1) << 20) #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19) #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18) @@ -1223,22 +1282,22 @@ static inline int mm_insn_16bit(u16 insn) "\\var = " #n "\n\t" \ ".endif\n\t" -__asm__(".macro parse_r var r\n\t" - "\\var = -1\n\t" - _IFC_REG(0) _IFC_REG(1) _IFC_REG(2) _IFC_REG(3) - _IFC_REG(4) _IFC_REG(5) _IFC_REG(6) _IFC_REG(7) - _IFC_REG(8) _IFC_REG(9) _IFC_REG(10) _IFC_REG(11) - _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15) - _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19) - _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23) - _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27) - _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31) - ".iflt \\var\n\t" - ".error \"Unable to parse register name \\r\"\n\t" - ".endif\n\t" - ".endm"); - -#undef _IFC_REG +#define _ASM_SET_PARSE_R \ + ".macro parse_r var r\n\t" \ + "\\var = -1\n\t" \ + _IFC_REG(0) _IFC_REG(1) _IFC_REG(2) _IFC_REG(3) \ + _IFC_REG(4) _IFC_REG(5) _IFC_REG(6) _IFC_REG(7) \ + _IFC_REG(8) _IFC_REG(9) _IFC_REG(10) _IFC_REG(11) \ + _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15) \ + _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19) \ + _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23) \ + _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27) \ + _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31) \ + ".iflt \\var\n\t" \ + ".error \"Unable to parse register name \\r\"\n\t" \ + ".endif\n\t" \ + ".endm\n\t" +#define _ASM_UNSET_PARSE_R ".purgem parse_r\n\t" /* * C macros for generating assembler macros for common instruction formats. @@ -1248,43 +1307,45 @@ __asm__(".macro parse_r var r\n\t" * the ENC encodings. */ -/* Instructions with no operands */ -#define _ASM_MACRO_0(OP, ENC) \ - __asm__(".macro " #OP "\n\t" \ - ENC \ - ".endm") - /* Instructions with 1 register operand & 1 immediate operand */ #define _ASM_MACRO_1R1I(OP, R1, I2, ENC) \ - __asm__(".macro " #OP " " #R1 ", " #I2 "\n\t" \ + ".macro " #OP " " #R1 ", " #I2 "\n\t" \ + _ASM_SET_PARSE_R \ "parse_r __" #R1 ", \\" #R1 "\n\t" \ ENC \ - ".endm") + _ASM_UNSET_PARSE_R \ + ".endm\n\t" /* Instructions with 2 register operands */ #define _ASM_MACRO_2R(OP, R1, R2, ENC) \ - __asm__(".macro " #OP " " #R1 ", " #R2 "\n\t" \ + ".macro " #OP " " #R1 ", " #R2 "\n\t" \ + _ASM_SET_PARSE_R \ "parse_r __" #R1 ", \\" #R1 "\n\t" \ "parse_r __" #R2 ", \\" #R2 "\n\t" \ ENC \ - ".endm") + _ASM_UNSET_PARSE_R \ + ".endm\n\t" /* Instructions with 3 register operands */ #define _ASM_MACRO_3R(OP, R1, R2, R3, ENC) \ - __asm__(".macro " #OP " " #R1 ", " #R2 ", " #R3 "\n\t" \ + ".macro " #OP " " #R1 ", " #R2 ", " #R3 "\n\t" \ + _ASM_SET_PARSE_R \ "parse_r __" #R1 ", \\" #R1 "\n\t" \ "parse_r __" #R2 ", \\" #R2 "\n\t" \ "parse_r __" #R3 ", \\" #R3 "\n\t" \ ENC \ - ".endm") + _ASM_UNSET_PARSE_R \ + ".endm\n\t" /* Instructions with 2 register operands and 1 optional select operand */ #define _ASM_MACRO_2R_1S(OP, R1, R2, SEL3, ENC) \ - __asm__(".macro " #OP " " #R1 ", " #R2 ", " #SEL3 " = 0\n\t" \ + ".macro " #OP " " #R1 ", " #R2 ", " #SEL3 " = 0\n\t" \ + _ASM_SET_PARSE_R \ "parse_r __" #R1 ", \\" #R1 "\n\t" \ "parse_r __" #R2 ", \\" #R2 "\n\t" \ ENC \ - ".endm") + _ASM_UNSET_PARSE_R \ + ".endm\n\t" /* * TLB Invalidate Flush @@ -1544,15 +1605,21 @@ do { \ } while (0) #ifndef TOOLCHAIN_SUPPORTS_XPA -_ASM_MACRO_2R_1S(mfhc0, rt, rs, sel, - _ASM_INSN_IF_MIPS(0x40400000 | __rt << 16 | __rs << 11 | \\sel) - _ASM_INSN32_IF_MM(0x000000f4 | __rt << 21 | __rs << 16 | \\sel << 11)); -_ASM_MACRO_2R_1S(mthc0, rt, rd, sel, - _ASM_INSN_IF_MIPS(0x40c00000 | __rt << 16 | __rd << 11 | \\sel) - _ASM_INSN32_IF_MM(0x000002f4 | __rt << 21 | __rd << 16 | \\sel << 11)); -#define _ASM_SET_XPA "" +#define _ASM_SET_MFHC0 \ + _ASM_MACRO_2R_1S(mfhc0, rt, rs, sel, \ + _ASM_INSN_IF_MIPS(0x40400000 | __rt << 16 | __rs << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000000f4 | __rt << 21 | __rs << 16 | \\sel << 11)) +#define _ASM_UNSET_MFHC0 ".purgem mfhc0\n\t" +#define _ASM_SET_MTHC0 \ + _ASM_MACRO_2R_1S(mthc0, rt, rd, sel, \ + _ASM_INSN_IF_MIPS(0x40c00000 | __rt << 16 | __rd << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000002f4 | __rt << 21 | __rd << 16 | \\sel << 11)) +#define _ASM_UNSET_MTHC0 ".purgem mthc0\n\t" #else /* !TOOLCHAIN_SUPPORTS_XPA */ -#define _ASM_SET_XPA ".set\txpa\n\t" +#define _ASM_SET_MFHC0 ".set\txpa\n\t" +#define _ASM_SET_MTHC0 ".set\txpa\n\t" +#define _ASM_UNSET_MFHC0 +#define _ASM_UNSET_MTHC0 #endif #define __readx_32bit_c0_register(source, sel) \ @@ -1562,8 +1629,9 @@ _ASM_MACRO_2R_1S(mthc0, rt, rd, sel, __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ - _ASM_SET_XPA \ + _ASM_SET_MFHC0 \ " mfhc0 %0, " #source ", %1 \n" \ + _ASM_UNSET_MFHC0 \ " .set pop \n" \ : "=r" (__res) \ : "i" (sel)); \ @@ -1575,8 +1643,9 @@ do { \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ - _ASM_SET_XPA \ + _ASM_SET_MTHC0 \ " mthc0 %z0, " #register ", %1 \n" \ + _ASM_UNSET_MTHC0 \ " .set pop \n" \ : \ : "Jr" (value), "i" (sel)); \ @@ -1643,12 +1712,6 @@ do { \ #define read_c0_count() __read_32bit_c0_register($9, 0) #define write_c0_count(val) __write_32bit_c0_register($9, 0, val) -#define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */ -#define write_c0_count2(val) __write_32bit_c0_register($9, 6, val) - -#define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */ -#define write_c0_count3(val) __write_32bit_c0_register($9, 7, val) - #define read_c0_entryhi() __read_ulong_c0_register($10, 0) #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val) @@ -1667,12 +1730,6 @@ do { \ #define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4) #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val) -#define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */ -#define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val) - -#define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */ -#define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val) - #define read_c0_status() __read_32bit_c0_register($12, 0) #define write_c0_status(val) __write_32bit_c0_register($12, 0, val) @@ -1714,6 +1771,8 @@ do { \ #define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val) #define read_c0_maar() __read_ulong_c0_register($17, 1) #define write_c0_maar(val) __write_ulong_c0_register($17, 1, val) +#define readx_c0_maar() __readx_32bit_c0_register($17, 1) +#define writex_c0_maar(val) __writex_32bit_c0_register($17, 1, val) #define read_c0_maari() __read_32bit_c0_register($17, 2) #define write_c0_maari(val) __write_32bit_c0_register($17, 2, val) @@ -1982,40 +2041,68 @@ do { \ */ #ifndef TOOLCHAIN_SUPPORTS_VIRT -_ASM_MACRO_2R_1S(mfgc0, rt, rs, sel, - _ASM_INSN_IF_MIPS(0x40600000 | __rt << 16 | __rs << 11 | \\sel) - _ASM_INSN32_IF_MM(0x000004fc | __rt << 21 | __rs << 16 | \\sel << 11)); -_ASM_MACRO_2R_1S(dmfgc0, rt, rs, sel, - _ASM_INSN_IF_MIPS(0x40600100 | __rt << 16 | __rs << 11 | \\sel) - _ASM_INSN32_IF_MM(0x580004fc | __rt << 21 | __rs << 16 | \\sel << 11)); -_ASM_MACRO_2R_1S(mtgc0, rt, rd, sel, - _ASM_INSN_IF_MIPS(0x40600200 | __rt << 16 | __rd << 11 | \\sel) - _ASM_INSN32_IF_MM(0x000006fc | __rt << 21 | __rd << 16 | \\sel << 11)); -_ASM_MACRO_2R_1S(dmtgc0, rt, rd, sel, - _ASM_INSN_IF_MIPS(0x40600300 | __rt << 16 | __rd << 11 | \\sel) - _ASM_INSN32_IF_MM(0x580006fc | __rt << 21 | __rd << 16 | \\sel << 11)); -_ASM_MACRO_0(tlbgp, _ASM_INSN_IF_MIPS(0x42000010) - _ASM_INSN32_IF_MM(0x0000017c)); -_ASM_MACRO_0(tlbgr, _ASM_INSN_IF_MIPS(0x42000009) - _ASM_INSN32_IF_MM(0x0000117c)); -_ASM_MACRO_0(tlbgwi, _ASM_INSN_IF_MIPS(0x4200000a) - _ASM_INSN32_IF_MM(0x0000217c)); -_ASM_MACRO_0(tlbgwr, _ASM_INSN_IF_MIPS(0x4200000e) - _ASM_INSN32_IF_MM(0x0000317c)); -_ASM_MACRO_0(tlbginvf, _ASM_INSN_IF_MIPS(0x4200000c) - _ASM_INSN32_IF_MM(0x0000517c)); -#define _ASM_SET_VIRT "" +#define _ASM_SET_MFGC0 \ + _ASM_MACRO_2R_1S(mfgc0, rt, rs, sel, \ + _ASM_INSN_IF_MIPS(0x40600000 | __rt << 16 | __rs << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000004fc | __rt << 21 | __rs << 16 | \\sel << 11)) +#define _ASM_UNSET_MFGC0 ".purgem mfgc0\n\t" +#define _ASM_SET_DMFGC0 \ + _ASM_MACRO_2R_1S(dmfgc0, rt, rs, sel, \ + _ASM_INSN_IF_MIPS(0x40600100 | __rt << 16 | __rs << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x580004fc | __rt << 21 | __rs << 16 | \\sel << 11)) +#define _ASM_UNSET_DMFGC0 ".purgem dmfgc0\n\t" +#define _ASM_SET_MTGC0 \ + _ASM_MACRO_2R_1S(mtgc0, rt, rd, sel, \ + _ASM_INSN_IF_MIPS(0x40600200 | __rt << 16 | __rd << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x000006fc | __rt << 21 | __rd << 16 | \\sel << 11)) +#define _ASM_UNSET_MTGC0 ".purgem mtgc0\n\t" +#define _ASM_SET_DMTGC0 \ + _ASM_MACRO_2R_1S(dmtgc0, rt, rd, sel, \ + _ASM_INSN_IF_MIPS(0x40600300 | __rt << 16 | __rd << 11 | \\sel) \ + _ASM_INSN32_IF_MM(0x580006fc | __rt << 21 | __rd << 16 | \\sel << 11)) +#define _ASM_UNSET_DMTGC0 ".purgem dmtgc0\n\t" + +#define __tlbgp() \ + _ASM_INSN_IF_MIPS(0x42000010) \ + _ASM_INSN32_IF_MM(0x0000017c) +#define __tlbgr() \ + _ASM_INSN_IF_MIPS(0x42000009) \ + _ASM_INSN32_IF_MM(0x0000117c) +#define __tlbgwi() \ + _ASM_INSN_IF_MIPS(0x4200000a) \ + _ASM_INSN32_IF_MM(0x0000217c) +#define __tlbgwr() \ + _ASM_INSN_IF_MIPS(0x4200000e) \ + _ASM_INSN32_IF_MM(0x0000317c) +#define __tlbginvf() \ + _ASM_INSN_IF_MIPS(0x4200000c) \ + _ASM_INSN32_IF_MM(0x0000517c) #else /* !TOOLCHAIN_SUPPORTS_VIRT */ #define _ASM_SET_VIRT ".set\tvirt\n\t" +#define _ASM_SET_MFGC0 _ASM_SET_VIRT +#define _ASM_SET_DMFGC0 _ASM_SET_VIRT +#define _ASM_SET_MTGC0 _ASM_SET_VIRT +#define _ASM_SET_DMTGC0 _ASM_SET_VIRT +#define _ASM_UNSET_MFGC0 +#define _ASM_UNSET_DMFGC0 +#define _ASM_UNSET_MTGC0 +#define _ASM_UNSET_DMTGC0 + +#define __tlbgp() _ASM_SET_VIRT "tlbgp\n\t" +#define __tlbgr() _ASM_SET_VIRT "tlbgr\n\t" +#define __tlbgwi() _ASM_SET_VIRT "tlbgwi\n\t" +#define __tlbgwr() _ASM_SET_VIRT "tlbgwr\n\t" +#define __tlbginvf() _ASM_SET_VIRT "tlbginvf\n\t" #endif #define __read_32bit_gc0_register(source, sel) \ ({ int __res; \ __asm__ __volatile__( \ ".set\tpush\n\t" \ - ".set\tmips32r2\n\t" \ - _ASM_SET_VIRT \ + ".set\tmips32r5\n\t" \ + _ASM_SET_MFGC0 \ "mfgc0\t%0, " #source ", %1\n\t" \ + _ASM_UNSET_MFGC0 \ ".set\tpop" \ : "=r" (__res) \ : "i" (sel)); \ @@ -2026,9 +2113,10 @@ _ASM_MACRO_0(tlbginvf, _ASM_INSN_IF_MIPS(0x4200000c) ({ unsigned long long __res; \ __asm__ __volatile__( \ ".set\tpush\n\t" \ - ".set\tmips64r2\n\t" \ - _ASM_SET_VIRT \ + ".set\tmips64r5\n\t" \ + _ASM_SET_DMFGC0 \ "dmfgc0\t%0, " #source ", %1\n\t" \ + _ASM_UNSET_DMFGC0 \ ".set\tpop" \ : "=r" (__res) \ : "i" (sel)); \ @@ -2039,9 +2127,10 @@ _ASM_MACRO_0(tlbginvf, _ASM_INSN_IF_MIPS(0x4200000c) do { \ __asm__ __volatile__( \ ".set\tpush\n\t" \ - ".set\tmips32r2\n\t" \ - _ASM_SET_VIRT \ + ".set\tmips32r5\n\t" \ + _ASM_SET_MTGC0 \ "mtgc0\t%z0, " #register ", %1\n\t" \ + _ASM_UNSET_MTGC0 \ ".set\tpop" \ : : "Jr" ((unsigned int)(value)), \ "i" (sel)); \ @@ -2051,9 +2140,10 @@ do { \ do { \ __asm__ __volatile__( \ ".set\tpush\n\t" \ - ".set\tmips64r2\n\t" \ - _ASM_SET_VIRT \ + ".set\tmips64r5\n\t" \ + _ASM_SET_DMTGC0 \ "dmtgc0\t%z0, " #register ", %1\n\t" \ + _ASM_UNSET_DMTGC0 \ ".set\tpop" \ : : "Jr" (value), \ "i" (sel)); \ @@ -2277,7 +2367,7 @@ do { \ /* * Macros to access the floating point coprocessor control registers */ -#define _read_32bit_cp1_register(source, gas_hardfloat) \ +#define read_32bit_cp1_register(source) \ ({ \ unsigned int __res; \ \ @@ -2287,36 +2377,24 @@ do { \ " # gas fails to assemble cfc1 for some archs, \n" \ " # like Octeon. \n" \ " .set mips1 \n" \ - " "STR(gas_hardfloat)" \n" \ + " .set hardfloat \n" \ " cfc1 %0,"STR(source)" \n" \ " .set pop \n" \ : "=r" (__res)); \ __res; \ }) -#define _write_32bit_cp1_register(dest, val, gas_hardfloat) \ +#define write_32bit_cp1_register(dest, val) \ do { \ __asm__ __volatile__( \ " .set push \n" \ " .set reorder \n" \ - " "STR(gas_hardfloat)" \n" \ + " .set hardfloat \n" \ " ctc1 %0,"STR(dest)" \n" \ " .set pop \n" \ : : "r" (val)); \ } while (0) -#ifdef GAS_HAS_SET_HARDFLOAT -#define read_32bit_cp1_register(source) \ - _read_32bit_cp1_register(source, .set hardfloat) -#define write_32bit_cp1_register(dest, val) \ - _write_32bit_cp1_register(dest, val, .set hardfloat) -#else -#define read_32bit_cp1_register(source) \ - _read_32bit_cp1_register(source, ) -#define write_32bit_cp1_register(dest, val) \ - _write_32bit_cp1_register(dest, val, ) -#endif - #ifdef TOOLCHAIN_SUPPORTS_DSP #define rddsp(mask) \ ({ \ @@ -2663,7 +2741,7 @@ static inline void tlb_probe(void) static inline void tlb_read(void) { -#if MIPS34K_MISSED_ITLB_WAR +#ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB int res = 0; __asm__ __volatile__( @@ -2685,7 +2763,7 @@ static inline void tlb_read(void) "tlbr\n\t" ".set reorder"); -#if MIPS34K_MISSED_ITLB_WAR +#ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB if ((res & _ULCAST_(1))) __asm__ __volatile__( " .set push \n" @@ -2724,8 +2802,7 @@ static inline void guest_tlb_probe(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - _ASM_SET_VIRT - "tlbgp\n\t" + __tlbgp() ".set pop"); } @@ -2734,8 +2811,7 @@ static inline void guest_tlb_read(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - _ASM_SET_VIRT - "tlbgr\n\t" + __tlbgr() ".set pop"); } @@ -2744,8 +2820,7 @@ static inline void guest_tlb_write_indexed(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - _ASM_SET_VIRT - "tlbgwi\n\t" + __tlbgwi() ".set pop"); } @@ -2754,8 +2829,7 @@ static inline void guest_tlb_write_random(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - _ASM_SET_VIRT - "tlbgwr\n\t" + __tlbgwr() ".set pop"); } @@ -2767,8 +2841,7 @@ static inline void guest_tlbinvf(void) __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" - _ASM_SET_VIRT - "tlbginvf\n\t" + __tlbginvf() ".set pop"); } @@ -2822,7 +2895,9 @@ __BUILD_SET_C0(status) __BUILD_SET_C0(cause) __BUILD_SET_C0(config) __BUILD_SET_C0(config5) +__BUILD_SET_C0(config6) __BUILD_SET_C0(config7) +__BUILD_SET_C0(diag) __BUILD_SET_C0(intcontrol) __BUILD_SET_C0(intctl) __BUILD_SET_C0(srsmap) |