/* * asmmacro.h: Assembler macros to make things easier to read. * * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * Copyright (C) 1998, 1999 Ralf Baechle * Copyright (C) 1999 Silicon Graphics, Inc. */ #ifndef _ASM_ASMMACRO_64_H #define _ASM_ASMMACRO_64_H #include <asm/asm-offsets.h> #include <asm/regdef.h> #include <asm/fpregdef.h> #include <asm/mipsregs.h> .macro fpu_save_16even thread tmp=t0 cfc1 \tmp, fcr31 sdc1 $f0, THREAD_FPR0(\thread) sdc1 $f2, THREAD_FPR2(\thread) sdc1 $f4, THREAD_FPR4(\thread) sdc1 $f6, THREAD_FPR6(\thread) sdc1 $f8, THREAD_FPR8(\thread) sdc1 $f10, THREAD_FPR10(\thread) sdc1 $f12, THREAD_FPR12(\thread) sdc1 $f14, THREAD_FPR14(\thread) sdc1 $f16, THREAD_FPR16(\thread) sdc1 $f18, THREAD_FPR18(\thread) sdc1 $f20, THREAD_FPR20(\thread) sdc1 $f22, THREAD_FPR22(\thread) sdc1 $f24, THREAD_FPR24(\thread) sdc1 $f26, THREAD_FPR26(\thread) sdc1 $f28, THREAD_FPR28(\thread) sdc1 $f30, THREAD_FPR30(\thread) sw \tmp, THREAD_FCR31(\thread) .endm .macro fpu_save_16odd thread sdc1 $f1, THREAD_FPR1(\thread) sdc1 $f3, THREAD_FPR3(\thread) sdc1 $f5, THREAD_FPR5(\thread) sdc1 $f7, THREAD_FPR7(\thread) sdc1 $f9, THREAD_FPR9(\thread) sdc1 $f11, THREAD_FPR11(\thread) sdc1 $f13, THREAD_FPR13(\thread) sdc1 $f15, THREAD_FPR15(\thread) sdc1 $f17, THREAD_FPR17(\thread) sdc1 $f19, THREAD_FPR19(\thread) sdc1 $f21, THREAD_FPR21(\thread) sdc1 $f23, THREAD_FPR23(\thread) sdc1 $f25, THREAD_FPR25(\thread) sdc1 $f27, THREAD_FPR27(\thread) sdc1 $f29, THREAD_FPR29(\thread) sdc1 $f31, THREAD_FPR31(\thread) .endm .macro fpu_save_double thread status tmp1 tmp2 sll \tmp2, \tmp1, 5 bgez \tmp2, 2f fpu_save_16odd \thread 2: fpu_save_16even \thread \tmp1 # clobbers t1 .endm .macro fpu_restore_16even thread tmp=t0 lw \tmp, THREAD_FCR31(\thread) ldc1 $f0, THREAD_FPR0(\thread) ldc1 $f2, THREAD_FPR2(\thread) ldc1 $f4, THREAD_FPR4(\thread) ldc1 $f6, THREAD_FPR6(\thread) ldc1 $f8, THREAD_FPR8(\thread) ldc1 $f10, THREAD_FPR10(\thread) ldc1 $f12, THREAD_FPR12(\thread) ldc1 $f14, THREAD_FPR14(\thread) ldc1 $f16, THREAD_FPR16(\thread) ldc1 $f18, THREAD_FPR18(\thread) ldc1 $f20, THREAD_FPR20(\thread) ldc1 $f22, THREAD_FPR22(\thread) ldc1 $f24, THREAD_FPR24(\thread) ldc1 $f26, THREAD_FPR26(\thread) ldc1 $f28, THREAD_FPR28(\thread) ldc1 $f30, THREAD_FPR30(\thread) ctc1 \tmp, fcr31 .endm .macro fpu_restore_16odd thread ldc1 $f1, THREAD_FPR1(\thread) ldc1 $f3, THREAD_FPR3(\thread) ldc1 $f5, THREAD_FPR5(\thread) ldc1 $f7, THREAD_FPR7(\thread) ldc1 $f9, THREAD_FPR9(\thread) ldc1 $f11, THREAD_FPR11(\thread) ldc1 $f13, THREAD_FPR13(\thread) ldc1 $f15, THREAD_FPR15(\thread) ldc1 $f17, THREAD_FPR17(\thread) ldc1 $f19, THREAD_FPR19(\thread) ldc1 $f21, THREAD_FPR21(\thread) ldc1 $f23, THREAD_FPR23(\thread) ldc1 $f25, THREAD_FPR25(\thread) ldc1 $f27, THREAD_FPR27(\thread) ldc1 $f29, THREAD_FPR29(\thread) ldc1 $f31, THREAD_FPR31(\thread) .endm .macro fpu_restore_double thread tmp mfc0 t0, CP0_STATUS sll t1, t0, 5 bgez t1, 1f # 16 register mode? fpu_restore_16odd a0 1: fpu_restore_16even a0, t0 # clobbers t0 .endm .macro cpu_save_nonscratch thread LONG_S s0, THREAD_REG16(\thread) LONG_S s1, THREAD_REG17(\thread) LONG_S s2, THREAD_REG18(\thread) LONG_S s3, THREAD_REG19(\thread) LONG_S s4, THREAD_REG20(\thread) LONG_S s5, THREAD_REG21(\thread) LONG_S s6, THREAD_REG22(\thread) LONG_S s7, THREAD_REG23(\thread) LONG_S sp, THREAD_REG29(\thread) LONG_S fp, THREAD_REG30(\thread) .endm .macro cpu_restore_nonscratch thread LONG_L s0, THREAD_REG16(\thread) LONG_L s1, THREAD_REG17(\thread) LONG_L s2, THREAD_REG18(\thread) LONG_L s3, THREAD_REG19(\thread) LONG_L s4, THREAD_REG20(\thread) LONG_L s5, THREAD_REG21(\thread) LONG_L s6, THREAD_REG22(\thread) LONG_L s7, THREAD_REG23(\thread) LONG_L sp, THREAD_REG29(\thread) LONG_L fp, THREAD_REG30(\thread) LONG_L ra, THREAD_REG31(\thread) .endm #endif /* _ASM_ASMMACRO_64_H */