| /* |
| * 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/offset.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 */ |