2024-09-09 08:52:07 +00:00
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2003 Ralf Baechle
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*/
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#ifndef _ASM_ASMMACRO_H
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#define _ASM_ASMMACRO_H
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#include <asm/hazards.h>
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2024-09-09 08:57:42 +00:00
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#include <asm/asm-offsets.h>
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#include <asm/msa.h>
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2024-09-09 08:52:07 +00:00
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#ifdef CONFIG_32BIT
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#include <asm/asmmacro-32.h>
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#endif
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#ifdef CONFIG_64BIT
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#include <asm/asmmacro-64.h>
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#endif
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2024-09-09 08:57:42 +00:00
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#ifdef CONFIG_CPU_MIPSR2
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2024-09-09 08:52:07 +00:00
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.macro local_irq_enable reg=t0
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ei
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irq_enable_hazard
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.endm
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.macro local_irq_disable reg=t0
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di
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irq_disable_hazard
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.endm
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#else
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.macro local_irq_enable reg=t0
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mfc0 \reg, CP0_STATUS
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ori \reg, \reg, 1
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mtc0 \reg, CP0_STATUS
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irq_enable_hazard
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.endm
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.macro local_irq_disable reg=t0
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2024-09-09 08:57:42 +00:00
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#ifdef CONFIG_PREEMPT
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lw \reg, TI_PRE_COUNT($28)
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addi \reg, \reg, 1
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sw \reg, TI_PRE_COUNT($28)
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#endif
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2024-09-09 08:52:07 +00:00
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mfc0 \reg, CP0_STATUS
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ori \reg, \reg, 1
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xori \reg, \reg, 1
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mtc0 \reg, CP0_STATUS
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irq_disable_hazard
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2024-09-09 08:57:42 +00:00
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#ifdef CONFIG_PREEMPT
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lw \reg, TI_PRE_COUNT($28)
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addi \reg, \reg, -1
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sw \reg, TI_PRE_COUNT($28)
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#endif
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.endm
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#endif /* CONFIG_CPU_MIPSR2 */
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.macro fpu_save_16even thread tmp=t0
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.set push
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SET_HARDFLOAT
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cfc1 \tmp, fcr31
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sdc1 $f0, THREAD_FPR0_LS64(\thread)
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sdc1 $f2, THREAD_FPR2_LS64(\thread)
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sdc1 $f4, THREAD_FPR4_LS64(\thread)
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sdc1 $f6, THREAD_FPR6_LS64(\thread)
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sdc1 $f8, THREAD_FPR8_LS64(\thread)
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sdc1 $f10, THREAD_FPR10_LS64(\thread)
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sdc1 $f12, THREAD_FPR12_LS64(\thread)
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sdc1 $f14, THREAD_FPR14_LS64(\thread)
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sdc1 $f16, THREAD_FPR16_LS64(\thread)
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sdc1 $f18, THREAD_FPR18_LS64(\thread)
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sdc1 $f20, THREAD_FPR20_LS64(\thread)
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sdc1 $f22, THREAD_FPR22_LS64(\thread)
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sdc1 $f24, THREAD_FPR24_LS64(\thread)
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sdc1 $f26, THREAD_FPR26_LS64(\thread)
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sdc1 $f28, THREAD_FPR28_LS64(\thread)
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sdc1 $f30, THREAD_FPR30_LS64(\thread)
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sw \tmp, THREAD_FCR31(\thread)
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.set pop
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.endm
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.macro fpu_save_16odd thread
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.set push
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.set mips64r2
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SET_HARDFLOAT
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sdc1 $f1, THREAD_FPR1_LS64(\thread)
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sdc1 $f3, THREAD_FPR3_LS64(\thread)
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sdc1 $f5, THREAD_FPR5_LS64(\thread)
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sdc1 $f7, THREAD_FPR7_LS64(\thread)
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sdc1 $f9, THREAD_FPR9_LS64(\thread)
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sdc1 $f11, THREAD_FPR11_LS64(\thread)
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sdc1 $f13, THREAD_FPR13_LS64(\thread)
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sdc1 $f15, THREAD_FPR15_LS64(\thread)
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sdc1 $f17, THREAD_FPR17_LS64(\thread)
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sdc1 $f19, THREAD_FPR19_LS64(\thread)
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sdc1 $f21, THREAD_FPR21_LS64(\thread)
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sdc1 $f23, THREAD_FPR23_LS64(\thread)
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sdc1 $f25, THREAD_FPR25_LS64(\thread)
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sdc1 $f27, THREAD_FPR27_LS64(\thread)
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sdc1 $f29, THREAD_FPR29_LS64(\thread)
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sdc1 $f31, THREAD_FPR31_LS64(\thread)
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.set pop
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2024-09-09 08:52:07 +00:00
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.endm
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2024-09-09 08:57:42 +00:00
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.macro fpu_save_double thread status tmp
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#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2)
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sll \tmp, \status, 5
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bgez \tmp, 10f
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fpu_save_16odd \thread
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10:
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#endif
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fpu_save_16even \thread \tmp
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.endm
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.macro fpu_restore_16even thread tmp=t0
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.set push
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SET_HARDFLOAT
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lw \tmp, THREAD_FCR31(\thread)
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ldc1 $f0, THREAD_FPR0_LS64(\thread)
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ldc1 $f2, THREAD_FPR2_LS64(\thread)
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ldc1 $f4, THREAD_FPR4_LS64(\thread)
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ldc1 $f6, THREAD_FPR6_LS64(\thread)
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ldc1 $f8, THREAD_FPR8_LS64(\thread)
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ldc1 $f10, THREAD_FPR10_LS64(\thread)
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ldc1 $f12, THREAD_FPR12_LS64(\thread)
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ldc1 $f14, THREAD_FPR14_LS64(\thread)
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ldc1 $f16, THREAD_FPR16_LS64(\thread)
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ldc1 $f18, THREAD_FPR18_LS64(\thread)
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ldc1 $f20, THREAD_FPR20_LS64(\thread)
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ldc1 $f22, THREAD_FPR22_LS64(\thread)
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ldc1 $f24, THREAD_FPR24_LS64(\thread)
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ldc1 $f26, THREAD_FPR26_LS64(\thread)
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ldc1 $f28, THREAD_FPR28_LS64(\thread)
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ldc1 $f30, THREAD_FPR30_LS64(\thread)
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ctc1 \tmp, fcr31
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.endm
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.macro fpu_restore_16odd thread
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.set push
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.set mips64r2
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SET_HARDFLOAT
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ldc1 $f1, THREAD_FPR1_LS64(\thread)
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ldc1 $f3, THREAD_FPR3_LS64(\thread)
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ldc1 $f5, THREAD_FPR5_LS64(\thread)
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ldc1 $f7, THREAD_FPR7_LS64(\thread)
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ldc1 $f9, THREAD_FPR9_LS64(\thread)
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ldc1 $f11, THREAD_FPR11_LS64(\thread)
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ldc1 $f13, THREAD_FPR13_LS64(\thread)
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ldc1 $f15, THREAD_FPR15_LS64(\thread)
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ldc1 $f17, THREAD_FPR17_LS64(\thread)
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ldc1 $f19, THREAD_FPR19_LS64(\thread)
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ldc1 $f21, THREAD_FPR21_LS64(\thread)
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ldc1 $f23, THREAD_FPR23_LS64(\thread)
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ldc1 $f25, THREAD_FPR25_LS64(\thread)
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ldc1 $f27, THREAD_FPR27_LS64(\thread)
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ldc1 $f29, THREAD_FPR29_LS64(\thread)
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ldc1 $f31, THREAD_FPR31_LS64(\thread)
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.set pop
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.endm
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.macro fpu_restore_double thread status tmp
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#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2)
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sll \tmp, \status, 5
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bgez \tmp, 10f # 16 register mode?
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fpu_restore_16odd \thread
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10:
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#endif
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fpu_restore_16even \thread \tmp
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.endm
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#ifdef CONFIG_CPU_MIPSR2
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.macro _EXT rd, rs, p, s
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ext \rd, \rs, \p, \s
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.endm
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#else /* !CONFIG_CPU_MIPSR2 */
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.macro _EXT rd, rs, p, s
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srl \rd, \rs, \p
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andi \rd, \rd, (1 << \s) - 1
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.endm
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#endif /* !CONFIG_CPU_MIPSR2 */
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2024-09-09 08:52:07 +00:00
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/*
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* Temporary until all gas have MT ASE support
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*/
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.macro DMT reg=0
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.word 0x41600bc1 | (\reg << 16)
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.endm
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.macro EMT reg=0
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.word 0x41600be1 | (\reg << 16)
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.endm
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.macro DVPE reg=0
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.word 0x41600001 | (\reg << 16)
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.endm
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.macro EVPE reg=0
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.word 0x41600021 | (\reg << 16)
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.endm
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.macro MFTR rt=0, rd=0, u=0, sel=0
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.word 0x41000000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
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.endm
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.macro MTTR rt=0, rd=0, u=0, sel=0
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.word 0x41800000 | (\rt << 16) | (\rd << 11) | (\u << 5) | (\sel)
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.endm
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2024-09-09 08:57:42 +00:00
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#ifdef TOOLCHAIN_SUPPORTS_MSA
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.macro ld_d wd, off, base
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.set push
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.set mips32r2
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.set msa
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ld.d $w\wd, \off(\base)
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.set pop
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.endm
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.macro st_d wd, off, base
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.set push
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.set mips32r2
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.set msa
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st.d $w\wd, \off(\base)
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.set pop
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.endm
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.macro copy_u_w rd, ws, n
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.set push
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.set mips32r2
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.set msa
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copy_u.w \rd, $w\ws[\n]
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.set pop
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.endm
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.macro copy_u_d rd, ws, n
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.set push
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.set mips64r2
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.set msa
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copy_u.d \rd, $w\ws[\n]
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.set pop
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.endm
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.macro insert_w wd, n, rs
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.set push
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.set mips32r2
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.set msa
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insert.w $w\wd[\n], \rs
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.set pop
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.endm
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.macro insert_d wd, n, rs
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.set push
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.set mips64r2
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.set msa
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insert.d $w\wd[\n], \rs
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.set pop
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.endm
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#else
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#ifdef CONFIG_CPU_MICROMIPS
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#define CFC_MSA_INSN 0x587e0056
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#define CTC_MSA_INSN 0x583e0816
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#define LDD_MSA_INSN 0x58000837
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#define STD_MSA_INSN 0x5800083f
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#define COPY_UW_MSA_INSN 0x58f00056
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#define COPY_UD_MSA_INSN 0x58f80056
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#define INSERT_W_MSA_INSN 0x59300816
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#define INSERT_D_MSA_INSN 0x59380816
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#else
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#define CFC_MSA_INSN 0x787e0059
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#define CTC_MSA_INSN 0x783e0819
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#define LDD_MSA_INSN 0x78000823
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#define STD_MSA_INSN 0x78000827
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#define COPY_UW_MSA_INSN 0x78f00059
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#define COPY_UD_MSA_INSN 0x78f80059
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#define INSERT_W_MSA_INSN 0x79300819
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#define INSERT_D_MSA_INSN 0x79380819
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#endif
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/*
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* Temporary until all toolchains in use include MSA support.
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*/
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.macro cfcmsa rd, cs
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.set push
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.set noat
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SET_HARDFLOAT
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.insn
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.word CFC_MSA_INSN | (\cs << 11)
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move \rd, $1
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.set pop
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.endm
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.macro ctcmsa cd, rs
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.set push
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.set noat
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SET_HARDFLOAT
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move $1, \rs
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.word CTC_MSA_INSN | (\cd << 6)
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.set pop
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.endm
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.macro ld_d wd, off, base
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.set push
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.set noat
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SET_HARDFLOAT
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addu $1, \base, \off
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.word LDD_MSA_INSN | (\wd << 6)
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.set pop
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.endm
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.macro st_d wd, off, base
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.set push
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.set noat
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SET_HARDFLOAT
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addu $1, \base, \off
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.word STD_MSA_INSN | (\wd << 6)
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.set pop
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.endm
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.macro copy_u_w rd, ws, n
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.set push
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.set noat
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SET_HARDFLOAT
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.insn
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.word COPY_UW_MSA_INSN | (\n << 16) | (\ws << 11)
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/* move triggers an assembler bug... */
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or \rd, $1, zero
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.set pop
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.endm
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.macro copy_u_d rd, ws, n
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.set push
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.set noat
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SET_HARDFLOAT
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.insn
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.word COPY_UD_MSA_INSN | (\n << 16) | (\ws << 11)
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/* move triggers an assembler bug... */
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or \rd, $1, zero
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.set pop
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.endm
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.macro insert_w wd, n, rs
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.set push
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.set noat
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SET_HARDFLOAT
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/* move triggers an assembler bug... */
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or $1, \rs, zero
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.word INSERT_W_MSA_INSN | (\n << 16) | (\wd << 6)
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.set pop
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.endm
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.macro insert_d wd, n, rs
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.set push
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.set noat
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SET_HARDFLOAT
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/* move triggers an assembler bug... */
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or $1, \rs, zero
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.word INSERT_D_MSA_INSN | (\n << 16) | (\wd << 6)
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.set pop
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.endm
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#endif
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.macro msa_save_all thread
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st_d 0, THREAD_FPR0, \thread
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st_d 1, THREAD_FPR1, \thread
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st_d 2, THREAD_FPR2, \thread
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st_d 3, THREAD_FPR3, \thread
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st_d 4, THREAD_FPR4, \thread
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st_d 5, THREAD_FPR5, \thread
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st_d 6, THREAD_FPR6, \thread
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st_d 7, THREAD_FPR7, \thread
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st_d 8, THREAD_FPR8, \thread
|
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st_d 9, THREAD_FPR9, \thread
|
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st_d 10, THREAD_FPR10, \thread
|
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st_d 11, THREAD_FPR11, \thread
|
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st_d 12, THREAD_FPR12, \thread
|
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st_d 13, THREAD_FPR13, \thread
|
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st_d 14, THREAD_FPR14, \thread
|
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st_d 15, THREAD_FPR15, \thread
|
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st_d 16, THREAD_FPR16, \thread
|
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st_d 17, THREAD_FPR17, \thread
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st_d 18, THREAD_FPR18, \thread
|
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st_d 19, THREAD_FPR19, \thread
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st_d 20, THREAD_FPR20, \thread
|
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st_d 21, THREAD_FPR21, \thread
|
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|
st_d 22, THREAD_FPR22, \thread
|
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st_d 23, THREAD_FPR23, \thread
|
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|
st_d 24, THREAD_FPR24, \thread
|
|
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|
st_d 25, THREAD_FPR25, \thread
|
|
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|
st_d 26, THREAD_FPR26, \thread
|
|
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|
st_d 27, THREAD_FPR27, \thread
|
|
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|
st_d 28, THREAD_FPR28, \thread
|
|
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|
st_d 29, THREAD_FPR29, \thread
|
|
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|
st_d 30, THREAD_FPR30, \thread
|
|
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|
|
st_d 31, THREAD_FPR31, \thread
|
|
|
|
|
.set push
|
|
|
|
|
.set noat
|
|
|
|
|
SET_HARDFLOAT
|
|
|
|
|
cfcmsa $1, MSA_CSR
|
|
|
|
|
sw $1, THREAD_MSA_CSR(\thread)
|
|
|
|
|
.set pop
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro msa_restore_all thread
|
|
|
|
|
.set push
|
|
|
|
|
.set noat
|
|
|
|
|
SET_HARDFLOAT
|
|
|
|
|
lw $1, THREAD_MSA_CSR(\thread)
|
|
|
|
|
ctcmsa MSA_CSR, $1
|
|
|
|
|
.set pop
|
|
|
|
|
ld_d 0, THREAD_FPR0, \thread
|
|
|
|
|
ld_d 1, THREAD_FPR1, \thread
|
|
|
|
|
ld_d 2, THREAD_FPR2, \thread
|
|
|
|
|
ld_d 3, THREAD_FPR3, \thread
|
|
|
|
|
ld_d 4, THREAD_FPR4, \thread
|
|
|
|
|
ld_d 5, THREAD_FPR5, \thread
|
|
|
|
|
ld_d 6, THREAD_FPR6, \thread
|
|
|
|
|
ld_d 7, THREAD_FPR7, \thread
|
|
|
|
|
ld_d 8, THREAD_FPR8, \thread
|
|
|
|
|
ld_d 9, THREAD_FPR9, \thread
|
|
|
|
|
ld_d 10, THREAD_FPR10, \thread
|
|
|
|
|
ld_d 11, THREAD_FPR11, \thread
|
|
|
|
|
ld_d 12, THREAD_FPR12, \thread
|
|
|
|
|
ld_d 13, THREAD_FPR13, \thread
|
|
|
|
|
ld_d 14, THREAD_FPR14, \thread
|
|
|
|
|
ld_d 15, THREAD_FPR15, \thread
|
|
|
|
|
ld_d 16, THREAD_FPR16, \thread
|
|
|
|
|
ld_d 17, THREAD_FPR17, \thread
|
|
|
|
|
ld_d 18, THREAD_FPR18, \thread
|
|
|
|
|
ld_d 19, THREAD_FPR19, \thread
|
|
|
|
|
ld_d 20, THREAD_FPR20, \thread
|
|
|
|
|
ld_d 21, THREAD_FPR21, \thread
|
|
|
|
|
ld_d 22, THREAD_FPR22, \thread
|
|
|
|
|
ld_d 23, THREAD_FPR23, \thread
|
|
|
|
|
ld_d 24, THREAD_FPR24, \thread
|
|
|
|
|
ld_d 25, THREAD_FPR25, \thread
|
|
|
|
|
ld_d 26, THREAD_FPR26, \thread
|
|
|
|
|
ld_d 27, THREAD_FPR27, \thread
|
|
|
|
|
ld_d 28, THREAD_FPR28, \thread
|
|
|
|
|
ld_d 29, THREAD_FPR29, \thread
|
|
|
|
|
ld_d 30, THREAD_FPR30, \thread
|
|
|
|
|
ld_d 31, THREAD_FPR31, \thread
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro msa_init_upper wd
|
|
|
|
|
#ifdef CONFIG_64BIT
|
|
|
|
|
insert_d \wd, 1
|
|
|
|
|
#else
|
|
|
|
|
insert_w \wd, 2
|
|
|
|
|
insert_w \wd, 3
|
|
|
|
|
#endif
|
|
|
|
|
.if 31-\wd
|
|
|
|
|
msa_init_upper (\wd+1)
|
|
|
|
|
.endif
|
|
|
|
|
.endm
|
|
|
|
|
|
|
|
|
|
.macro msa_init_all_upper
|
|
|
|
|
.set push
|
|
|
|
|
.set noat
|
|
|
|
|
SET_HARDFLOAT
|
|
|
|
|
not $1, zero
|
|
|
|
|
msa_init_upper 0
|
|
|
|
|
.set pop
|
|
|
|
|
.endm
|
|
|
|
|
|
2024-09-09 08:52:07 +00:00
|
|
|
#endif /* _ASM_ASMMACRO_H */
|
