/* * Copyright (C) 2013 Imagination Technologies * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #ifndef _ASM_MSA_H #define _ASM_MSA_H #include <asm/mipsregs.h> #ifndef __ASSEMBLY__ #include <asm/inst.h> extern void _save_msa(struct task_struct *); extern void _restore_msa(struct task_struct *); extern void _init_msa_upper(void); extern void read_msa_wr_b(unsigned idx, union fpureg *to); extern void read_msa_wr_h(unsigned idx, union fpureg *to); extern void read_msa_wr_w(unsigned idx, union fpureg *to); extern void read_msa_wr_d(unsigned idx, union fpureg *to); /** * read_msa_wr() - Read a single MSA vector register * @idx: The index of the vector register to read * @to: The FPU register union to store the registers value in * @fmt: The format of the data in the vector register * * Read the value of MSA vector register idx into the FPU register * union to, using the format fmt. */ static inline void read_msa_wr(unsigned idx, union fpureg *to, enum msa_2b_fmt fmt) { switch (fmt) { case msa_fmt_b: read_msa_wr_b(idx, to); break; case msa_fmt_h: read_msa_wr_h(idx, to); break; case msa_fmt_w: read_msa_wr_w(idx, to); break; case msa_fmt_d: read_msa_wr_d(idx, to); break; default: BUG(); } } extern void write_msa_wr_b(unsigned idx, union fpureg *from); extern void write_msa_wr_h(unsigned idx, union fpureg *from); extern void write_msa_wr_w(unsigned idx, union fpureg *from); extern void write_msa_wr_d(unsigned idx, union fpureg *from); /** * write_msa_wr() - Write a single MSA vector register * @idx: The index of the vector register to write * @from: The FPU register union to take the registers value from * @fmt: The format of the data in the vector register * * Write the value from the FPU register union from into MSA vector * register idx, using the format fmt. */ static inline void write_msa_wr(unsigned idx, union fpureg *from, enum msa_2b_fmt fmt) { switch (fmt) { case msa_fmt_b: write_msa_wr_b(idx, from); break; case msa_fmt_h: write_msa_wr_h(idx, from); break; case msa_fmt_w: write_msa_wr_w(idx, from); break; case msa_fmt_d: write_msa_wr_d(idx, from); break; default: BUG(); } } static inline void enable_msa(void) { if (cpu_has_msa) { set_c0_config5(MIPS_CONF5_MSAEN); enable_fpu_hazard(); } } static inline void disable_msa(void) { if (cpu_has_msa) { clear_c0_config5(MIPS_CONF5_MSAEN); disable_fpu_hazard(); } } static inline int is_msa_enabled(void) { if (!cpu_has_msa) return 0; return read_c0_config5() & MIPS_CONF5_MSAEN; } static inline int thread_msa_context_live(void) { /* * Check cpu_has_msa only if it's a constant. This will allow the * compiler to optimise out code for CPUs without MSA without adding * an extra redundant check for CPUs with MSA. */ if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa) return 0; return test_thread_flag(TIF_MSA_CTX_LIVE); } static inline void save_msa(struct task_struct *t) { if (cpu_has_msa) _save_msa(t); } static inline void restore_msa(struct task_struct *t) { if (cpu_has_msa) _restore_msa(t); } static inline void init_msa_upper(void) { /* * Check cpu_has_msa only if it's a constant. This will allow the * compiler to optimise out code for CPUs without MSA without adding * an extra redundant check for CPUs with MSA. */ if (__builtin_constant_p(cpu_has_msa) && !cpu_has_msa) return; _init_msa_upper(); } #ifdef TOOLCHAIN_SUPPORTS_MSA #define __BUILD_MSA_CTL_REG(name, cs) \ static inline unsigned int read_msa_##name(void) \ { \ unsigned int reg; \ __asm__ __volatile__( \ " .set push\n" \ " .set fp=64\n" \ " .set msa\n" \ " cfcmsa %0, $" #cs "\n" \ " .set pop\n" \ : "=r"(reg)); \ return reg; \ } \ \ static inline void write_msa_##name(unsigned int val) \ { \ __asm__ __volatile__( \ " .set push\n" \ " .set fp=64\n" \ " .set msa\n" \ " ctcmsa $" #cs ", %0\n" \ " .set pop\n" \ : : "r"(val)); \ } #else /* !TOOLCHAIN_SUPPORTS_MSA */ /* * Define functions using .word for the c[ft]cmsa instructions in order to * allow compilation with toolchains that do not support MSA. Once all * toolchains in use support MSA these can be removed. */ #define __BUILD_MSA_CTL_REG(name, cs) \ static inline unsigned int read_msa_##name(void) \ { \ unsigned int reg; \ __asm__ __volatile__( \ " .set push\n" \ " .set noat\n" \ " # cfcmsa $1, $%1\n" \ _ASM_INSN_IF_MIPS(0x787e0059 | %1 << 11) \ _ASM_INSN32_IF_MM(0x587e0056 | %1 << 11) \ " move %0, $1\n" \ " .set pop\n" \ : "=r"(reg) : "i"(cs)); \ return reg; \ } \ \ static inline void write_msa_##name(unsigned int val) \ { \ __asm__ __volatile__( \ " .set push\n" \ " .set noat\n" \ " move $1, %0\n" \ " # ctcmsa $%1, $1\n" \ _ASM_INSN_IF_MIPS(0x783e0819 | %1 << 6) \ _ASM_INSN32_IF_MM(0x583e0816 | %1 << 6) \ " .set pop\n" \ : : "r"(val), "i"(cs)); \ } #endif /* !TOOLCHAIN_SUPPORTS_MSA */ __BUILD_MSA_CTL_REG(ir, 0) __BUILD_MSA_CTL_REG(csr, 1) __BUILD_MSA_CTL_REG(access, 2) __BUILD_MSA_CTL_REG(save, 3) __BUILD_MSA_CTL_REG(modify, 4) __BUILD_MSA_CTL_REG(request, 5) __BUILD_MSA_CTL_REG(map, 6) __BUILD_MSA_CTL_REG(unmap, 7) #endif /* !__ASSEMBLY__ */ #define MSA_IR 0 #define MSA_CSR 1 #define MSA_ACCESS 2 #define MSA_SAVE 3 #define MSA_MODIFY 4 #define MSA_REQUEST 5 #define MSA_MAP 6 #define MSA_UNMAP 7 /* MSA Implementation Register (MSAIR) */ #define MSA_IR_REVB 0 #define MSA_IR_REVF (_ULCAST_(0xff) << MSA_IR_REVB) #define MSA_IR_PROCB 8 #define MSA_IR_PROCF (_ULCAST_(0xff) << MSA_IR_PROCB) #define MSA_IR_WRPB 16 #define MSA_IR_WRPF (_ULCAST_(0x1) << MSA_IR_WRPB) /* MSA Control & Status Register (MSACSR) */ #define MSA_CSR_RMB 0 #define MSA_CSR_RMF (_ULCAST_(0x3) << MSA_CSR_RMB) #define MSA_CSR_RM_NEAREST 0 #define MSA_CSR_RM_TO_ZERO 1 #define MSA_CSR_RM_TO_POS 2 #define MSA_CSR_RM_TO_NEG 3 #define MSA_CSR_FLAGSB 2 #define MSA_CSR_FLAGSF (_ULCAST_(0x1f) << MSA_CSR_FLAGSB) #define MSA_CSR_FLAGS_IB 2 #define MSA_CSR_FLAGS_IF (_ULCAST_(0x1) << MSA_CSR_FLAGS_IB) #define MSA_CSR_FLAGS_UB 3 #define MSA_CSR_FLAGS_UF (_ULCAST_(0x1) << MSA_CSR_FLAGS_UB) #define MSA_CSR_FLAGS_OB 4 #define MSA_CSR_FLAGS_OF (_ULCAST_(0x1) << MSA_CSR_FLAGS_OB) #define MSA_CSR_FLAGS_ZB 5 #define MSA_CSR_FLAGS_ZF (_ULCAST_(0x1) << MSA_CSR_FLAGS_ZB) #define MSA_CSR_FLAGS_VB 6 #define MSA_CSR_FLAGS_VF (_ULCAST_(0x1) << MSA_CSR_FLAGS_VB) #define MSA_CSR_ENABLESB 7 #define MSA_CSR_ENABLESF (_ULCAST_(0x1f) << MSA_CSR_ENABLESB) #define MSA_CSR_ENABLES_IB 7 #define MSA_CSR_ENABLES_IF (_ULCAST_(0x1) << MSA_CSR_ENABLES_IB) #define MSA_CSR_ENABLES_UB 8 #define MSA_CSR_ENABLES_UF (_ULCAST_(0x1) << MSA_CSR_ENABLES_UB) #define MSA_CSR_ENABLES_OB 9 #define MSA_CSR_ENABLES_OF (_ULCAST_(0x1) << MSA_CSR_ENABLES_OB) #define MSA_CSR_ENABLES_ZB 10 #define MSA_CSR_ENABLES_ZF (_ULCAST_(0x1) << MSA_CSR_ENABLES_ZB) #define MSA_CSR_ENABLES_VB 11 #define MSA_CSR_ENABLES_VF (_ULCAST_(0x1) << MSA_CSR_ENABLES_VB) #define MSA_CSR_CAUSEB 12 #define MSA_CSR_CAUSEF (_ULCAST_(0x3f) << MSA_CSR_CAUSEB) #define MSA_CSR_CAUSE_IB 12 #define MSA_CSR_CAUSE_IF (_ULCAST_(0x1) << MSA_CSR_CAUSE_IB) #define MSA_CSR_CAUSE_UB 13 #define MSA_CSR_CAUSE_UF (_ULCAST_(0x1) << MSA_CSR_CAUSE_UB) #define MSA_CSR_CAUSE_OB 14 #define MSA_CSR_CAUSE_OF (_ULCAST_(0x1) << MSA_CSR_CAUSE_OB) #define MSA_CSR_CAUSE_ZB 15 #define MSA_CSR_CAUSE_ZF (_ULCAST_(0x1) << MSA_CSR_CAUSE_ZB) #define MSA_CSR_CAUSE_VB 16 #define MSA_CSR_CAUSE_VF (_ULCAST_(0x1) << MSA_CSR_CAUSE_VB) #define MSA_CSR_CAUSE_EB 17 #define MSA_CSR_CAUSE_EF (_ULCAST_(0x1) << MSA_CSR_CAUSE_EB) #define MSA_CSR_NXB 18 #define MSA_CSR_NXF (_ULCAST_(0x1) << MSA_CSR_NXB) #define MSA_CSR_FSB 24 #define MSA_CSR_FSF (_ULCAST_(0x1) << MSA_CSR_FSB) #endif /* _ASM_MSA_H */
Name | Type | Size | Permission | Actions |
---|---|---|---|---|
dec | Folder | 0755 |
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emma | Folder | 0755 |
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fw | Folder | 0755 |
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ip32 | Folder | 0755 |
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lasat | Folder | 0755 |
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mach-ar7 | Folder | 0755 |
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mach-ath25 | Folder | 0755 |
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mach-ath79 | Folder | 0755 |
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mach-au1x00 | Folder | 0755 |
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mach-bcm47xx | Folder | 0755 |
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mach-bcm63xx | Folder | 0755 |
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mach-bmips | Folder | 0755 |
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mach-cavium-octeon | Folder | 0755 |
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mach-cobalt | Folder | 0755 |
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mach-db1x00 | Folder | 0755 |
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mach-dec | Folder | 0755 |
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mach-emma2rh | Folder | 0755 |
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mach-generic | Folder | 0755 |
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mach-ip22 | Folder | 0755 |
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mach-ip27 | Folder | 0755 |
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mach-ip28 | Folder | 0755 |
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mach-ip32 | Folder | 0755 |
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mach-jazz | Folder | 0755 |
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mach-jz4740 | Folder | 0755 |
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mach-lantiq | Folder | 0755 |
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mach-lasat | Folder | 0755 |
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mach-loongson32 | Folder | 0755 |
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mach-loongson64 | Folder | 0755 |
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mach-malta | Folder | 0755 |
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mach-netlogic | Folder | 0755 |
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mach-paravirt | Folder | 0755 |
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mach-pic32 | Folder | 0755 |
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mach-pistachio | Folder | 0755 |
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mach-pmcs-msp71xx | Folder | 0755 |
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mach-pnx833x | Folder | 0755 |
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mach-ralink | Folder | 0755 |
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mach-rc32434 | Folder | 0755 |
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mach-rm | Folder | 0755 |
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mach-sibyte | Folder | 0755 |
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mach-tx39xx | Folder | 0755 |
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mach-tx49xx | Folder | 0755 |
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mach-vr41xx | Folder | 0755 |
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mach-xilfpga | Folder | 0755 |
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mips-boards | Folder | 0755 |
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netlogic | Folder | 0755 |
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octeon | Folder | 0755 |
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pci | Folder | 0755 |
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sgi | Folder | 0755 |
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sibyte | Folder | 0755 |
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sn | Folder | 0755 |
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txx9 | Folder | 0755 |
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vr41xx | Folder | 0755 |
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xtalk | Folder | 0755 |
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Kbuild | File | 577 B | 0644 |
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abi.h | File | 853 B | 0644 |
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addrspace.h | File | 4.1 KB | 0644 |
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amon.h | File | 409 B | 0644 |
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arch_hweight.h | File | 792 B | 0644 |
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asm-eva.h | File | 6.82 KB | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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asm-prototypes.h | File | 197 B | 0644 |
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asm.h | File | 8.47 KB | 0644 |
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asmmacro-32.h | File | 2.47 KB | 0644 |
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asmmacro-64.h | File | 1.22 KB | 0644 |
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asmmacro.h | File | 14.07 KB | 0644 |
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atomic.h | File | 19.73 KB | 0644 |
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barrier.h | File | 8.03 KB | 0644 |
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bcache.h | File | 2.04 KB | 0644 |
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bitops.h | File | 15.46 KB | 0644 |
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bitrev.h | File | 608 B | 0644 |
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bmips-spaces.h | File | 268 B | 0644 |
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bmips.h | File | 3.45 KB | 0644 |
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bootinfo.h | File | 5.08 KB | 0644 |
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branch.h | File | 2.35 KB | 0644 |
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break.h | File | 787 B | 0644 |
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bug.h | File | 759 B | 0644 |
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bugs.h | File | 944 B | 0644 |
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cache.h | File | 546 B | 0644 |
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cacheflush.h | File | 4.99 KB | 0644 |
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cacheops.h | File | 3.71 KB | 0644 |
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cdmm.h | File | 3.67 KB | 0644 |
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cevt-r4k.h | File | 823 B | 0644 |
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checksum.h | File | 6.43 KB | 0644 |
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clock.h | File | 997 B | 0644 |
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clocksource.h | File | 884 B | 0644 |
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cmp.h | File | 492 B | 0644 |
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cmpxchg.h | File | 5.28 KB | 0644 |
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compat-signal.h | File | 640 B | 0644 |
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compat.h | File | 6.66 KB | 0644 |
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compiler.h | File | 2.96 KB | 0644 |
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cop2.h | File | 1.77 KB | 0644 |
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cpu-features.h | File | 19.46 KB | 0644 |
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cpu-info.h | File | 5.84 KB | 0644 |
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cpu-type.h | File | 4.13 KB | 0644 |
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cpu.h | File | 15.54 KB | 0644 |
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cpufeature.h | File | 717 B | 0644 |
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debug.h | File | 654 B | 0644 |
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delay.h | File | 841 B | 0644 |
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device.h | File | 347 B | 0644 |
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div64.h | File | 2.17 KB | 0644 |
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dma-coherence.h | File | 813 B | 0644 |
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dma-mapping.h | File | 981 B | 0644 |
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dma.h | File | 9.92 KB | 0644 |
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ds1287.h | File | 1019 B | 0644 |
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dsemul.h | File | 3.24 KB | 0644 |
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dsp.h | File | 1.91 KB | 0644 |
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edac.h | File | 819 B | 0644 |
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elf.h | File | 15.04 KB | 0644 |
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errno.h | File | 429 B | 0644 |
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eva.h | File | 796 B | 0644 |
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exec.h | File | 579 B | 0644 |
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extable.h | File | 241 B | 0644 |
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fb.h | File | 372 B | 0644 |
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fixmap.h | File | 2.29 KB | 0644 |
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floppy.h | File | 1.57 KB | 0644 |
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fpregdef.h | File | 2.66 KB | 0644 |
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fpu.h | File | 5.21 KB | 0644 |
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fpu_emulator.h | File | 5.74 KB | 0644 |
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ftrace.h | File | 2.11 KB | 0644 |
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futex.h | File | 4.87 KB | 0644 |
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gio_device.h | File | 1.5 KB | 0644 |
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gt64120.h | File | 19.37 KB | 0644 |
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hardirq.h | File | 544 B | 0644 |
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hazards.h | File | 8.36 KB | 0644 |
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highmem.h | File | 1.72 KB | 0644 |
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hpet.h | File | 1.93 KB | 0644 |
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hugetlb.h | File | 2.76 KB | 0644 |
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hw_irq.h | File | 475 B | 0644 |
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i8259.h | File | 2.52 KB | 0644 |
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ide.h | File | 330 B | 0644 |
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idle.h | File | 689 B | 0644 |
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inst.h | File | 2.34 KB | 0644 |
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io.h | File | 18.44 KB | 0644 |
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irq.h | File | 2.26 KB | 0644 |
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irq_cpu.h | File | 708 B | 0644 |
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irq_gt641xx.h | File | 2.69 KB | 0644 |
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irq_regs.h | File | 744 B | 0644 |
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irqflags.h | File | 4.04 KB | 0644 |
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isa-rev.h | File | 556 B | 0644 |
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isadep.h | File | 603 B | 0644 |
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jazz.h | File | 8 KB | 0644 |
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jazzdma.h | File | 2.97 KB | 0644 |
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jump_label.h | File | 1.4 KB | 0644 |
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kdebug.h | File | 303 B | 0644 |
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kexec.h | File | 1.53 KB | 0644 |
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kgdb.h | File | 1.19 KB | 0644 |
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kmap_types.h | File | 221 B | 0644 |
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kprobes.h | File | 2.68 KB | 0644 |
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kvm_host.h | File | 37.88 KB | 0644 |
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kvm_para.h | File | 2.09 KB | 0644 |
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linkage.h | File | 306 B | 0644 |
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llsc.h | File | 623 B | 0644 |
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local.h | File | 4.99 KB | 0644 |
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m48t37.h | File | 732 B | 0644 |
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maar.h | File | 4.04 KB | 0644 |
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machine.h | File | 2.93 KB | 0644 |
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mc146818-time.h | File | 3.69 KB | 0644 |
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mc146818rtc.h | File | 450 B | 0644 |
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mips-cm.h | File | 15.86 KB | 0644 |
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mips-cpc.h | File | 5.83 KB | 0644 |
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mips-cps.h | File | 6.55 KB | 0644 |
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mips-gic.h | File | 12.3 KB | 0644 |
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mips-r2-to-r6-emul.h | File | 2.05 KB | 0644 |
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mips_machine.h | File | 1.32 KB | 0644 |
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mips_mt.h | File | 707 B | 0644 |
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mipsmtregs.h | File | 10.9 KB | 0644 |
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mipsprom.h | File | 2.1 KB | 0644 |
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mipsregs.h | File | 88.1 KB | 0644 |
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mmu.h | File | 550 B | 0644 |
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mmu_context.h | File | 5.41 KB | 0644 |
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mmzone.h | File | 561 B | 0644 |
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module.h | File | 4.45 KB | 0644 |
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msa.h | File | 8.01 KB | 0644 |
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msc01_ic.h | File | 6.55 KB | 0644 |
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nile4.h | File | 10.33 KB | 0644 |
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paccess.h | File | 3.07 KB | 0644 |
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page.h | File | 7.19 KB | 0644 |
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pci.h | File | 4.08 KB | 0644 |
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perf_event.h | File | 482 B | 0644 |
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pgalloc.h | File | 3.21 KB | 0644 |
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pgtable-32.h | File | 7.31 KB | 0644 |
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pgtable-64.h | File | 10.87 KB | 0644 |
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pgtable-bits.h | File | 7.36 KB | 0644 |
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pgtable.h | File | 17.34 KB | 0644 |
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pm-cps.h | File | 1.68 KB | 0644 |
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pm.h | File | 3.99 KB | 0644 |
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pmon.h | File | 1.64 KB | 0644 |
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prefetch.h | File | 2.1 KB | 0644 |
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processor.h | File | 11.71 KB | 0644 |
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prom.h | File | 845 B | 0644 |
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ptrace.h | File | 5.55 KB | 0644 |
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r4k-timer.h | File | 604 B | 0644 |
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r4kcache.h | File | 26.34 KB | 0644 |
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reboot.h | File | 440 B | 0644 |
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reg.h | File | 26 B | 0644 |
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regdef.h | File | 2.63 KB | 0644 |
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rtlx.h | File | 2.1 KB | 0644 |
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seccomp.h | File | 800 B | 0644 |
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serial.h | File | 607 B | 0644 |
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setup.h | File | 884 B | 0644 |
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sgialib.h | File | 2.45 KB | 0644 |
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sgiarcs.h | File | 15.32 KB | 0644 |
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shmparam.h | File | 352 B | 0644 |
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sigcontext.h | File | 1.04 KB | 0644 |
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signal.h | File | 1.02 KB | 0644 |
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sim.h | File | 2.32 KB | 0644 |
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smp-cps.h | File | 1.18 KB | 0644 |
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smp-ops.h | File | 2.33 KB | 0644 |
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smp.h | File | 3.31 KB | 0644 |
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sni.h | File | 7.27 KB | 0644 |
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socket.h | File | 1.34 KB | 0644 |
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sparsemem.h | File | 486 B | 0644 |
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spinlock.h | File | 459 B | 0644 |
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spinlock_types.h | File | 188 B | 0644 |
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spram.h | File | 262 B | 0644 |
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stackframe.h | File | 10.82 KB | 0644 |
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stackprotector.h | File | 1.15 KB | 0644 |
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stacktrace.h | File | 2.15 KB | 0644 |
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string.h | File | 2.94 KB | 0644 |
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switch_to.h | File | 4.19 KB | 0644 |
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syscall.h | File | 3.57 KB | 0644 |
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termios.h | File | 2.89 KB | 0644 |
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thread_info.h | File | 6.63 KB | 0644 |
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time.h | File | 2.13 KB | 0644 |
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timex.h | File | 2.87 KB | 0644 |
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tlb.h | File | 1.09 KB | 0644 |
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tlbdebug.h | File | 403 B | 0644 |
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tlbex.h | File | 788 B | 0644 |
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tlbflush.h | File | 1.67 KB | 0644 |
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tlbmisc.h | File | 320 B | 0644 |
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topology.h | File | 619 B | 0644 |
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traps.h | File | 1.25 KB | 0644 |
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txx9irq.h | File | 743 B | 0644 |
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txx9pio.h | File | 592 B | 0644 |
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txx9tmr.h | File | 1.59 KB | 0644 |
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types.h | File | 487 B | 0644 |
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uaccess.h | File | 22.2 KB | 0644 |
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uasm.h | File | 9.18 KB | 0644 |
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unistd.h | File | 1.9 KB | 0644 |
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uprobes.h | File | 1.11 KB | 0644 |
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vdso.h | File | 3.72 KB | 0644 |
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vga.h | File | 1.26 KB | 0644 |
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vpe.h | File | 2.7 KB | 0644 |
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war.h | File | 7.48 KB | 0644 |
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watch.h | File | 827 B | 0644 |
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wbflush.h | File | 694 B | 0644 |
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yamon-dt.h | File | 1.88 KB | 0644 |
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