diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1997-12-01 17:57:09 +0000 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 1997-12-01 17:57:09 +0000 |
commit | a62a0f262e0179df8c632f529c95abf54ef78332 (patch) | |
tree | 80e6a7a7d407d08e218332bb3fcccdaf9f28fcc1 /arch/mips/kernel/r4k_fpu.S | |
parent | fd095d09f2d475dc2e8599b1b8bae1cd65e91685 (diff) |
Part #2 merging back my changes ...
Diffstat (limited to 'arch/mips/kernel/r4k_fpu.S')
-rw-r--r-- | arch/mips/kernel/r4k_fpu.S | 153 |
1 files changed, 74 insertions, 79 deletions
diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S index c5c519f4e..72638d462 100644 --- a/arch/mips/kernel/r4k_fpu.S +++ b/arch/mips/kernel/r4k_fpu.S @@ -10,7 +10,7 @@ * Multi-arch abstraction and asm macros for easier reading: * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com) * - * $Id: r4k_fpu.S,v 1.2 1997/06/25 14:44:52 ralf Exp $ + * $Id: r4k_fpu.S,v 1.3 1997/12/01 16:56:06 ralf Exp $ */ #include <asm/asm.h> #include <asm/fpregdef.h> @@ -21,7 +21,7 @@ .set noreorder .set mips3 /* Save floating point context */ - LEAF(r4k_save_fp_context) +LEAF(r4k_save_fp_context) mfc0 t1,CP0_STATUS sll t2,t1,2 bgez t2,2f @@ -31,41 +31,41 @@ bgez t2,1f nop /* Store the 16 odd double precision registers */ - swc1 $f1,(SC_FPREGS+8)(a0) - swc1 $f3,(SC_FPREGS+24)(a0) - swc1 $f5,(SC_FPREGS+40)(a0) - swc1 $f7,(SC_FPREGS+56)(a0) - swc1 $f9,(SC_FPREGS+72)(a0) - swc1 $f11,(SC_FPREGS+88)(a0) - swc1 $f13,(SC_FPREGS+104)(a0) - swc1 $f15,(SC_FPREGS+120)(a0) - swc1 $f17,(SC_FPREGS+136)(a0) - swc1 $f19,(SC_FPREGS+152)(a0) - swc1 $f21,(SC_FPREGS+168)(a0) - swc1 $f23,(SC_FPREGS+184)(a0) - swc1 $f25,(SC_FPREGS+200)(a0) - swc1 $f27,(SC_FPREGS+216)(a0) - swc1 $f29,(SC_FPREGS+232)(a0) - swc1 $f31,(SC_FPREGS+248)(a0) + sdc1 $f1,(SC_FPREGS+8)(a0) + sdc1 $f3,(SC_FPREGS+24)(a0) + sdc1 $f5,(SC_FPREGS+40)(a0) + sdc1 $f7,(SC_FPREGS+56)(a0) + sdc1 $f9,(SC_FPREGS+72)(a0) + sdc1 $f11,(SC_FPREGS+88)(a0) + sdc1 $f13,(SC_FPREGS+104)(a0) + sdc1 $f15,(SC_FPREGS+120)(a0) + sdc1 $f17,(SC_FPREGS+136)(a0) + sdc1 $f19,(SC_FPREGS+152)(a0) + sdc1 $f21,(SC_FPREGS+168)(a0) + sdc1 $f23,(SC_FPREGS+184)(a0) + sdc1 $f25,(SC_FPREGS+200)(a0) + sdc1 $f27,(SC_FPREGS+216)(a0) + sdc1 $f29,(SC_FPREGS+232)(a0) + sdc1 $f31,(SC_FPREGS+248)(a0) /* Store the 16 even double precision registers */ 1: - swc1 $f0,(SC_FPREGS+0)(a0) - swc1 $f2,(SC_FPREGS+16)(a0) - swc1 $f4,(SC_FPREGS+32)(a0) - swc1 $f6,(SC_FPREGS+48)(a0) - swc1 $f8,(SC_FPREGS+64)(a0) - swc1 $f10,(SC_FPREGS+80)(a0) - swc1 $f12,(SC_FPREGS+96)(a0) - swc1 $f14,(SC_FPREGS+112)(a0) - swc1 $f16,(SC_FPREGS+128)(a0) - swc1 $f18,(SC_FPREGS+144)(a0) - swc1 $f20,(SC_FPREGS+160)(a0) - swc1 $f22,(SC_FPREGS+176)(a0) - swc1 $f24,(SC_FPREGS+192)(a0) - swc1 $f26,(SC_FPREGS+208)(a0) - swc1 $f28,(SC_FPREGS+224)(a0) - swc1 $f30,(SC_FPREGS+240)(a0) + sdc1 $f0,(SC_FPREGS+0)(a0) + sdc1 $f2,(SC_FPREGS+16)(a0) + sdc1 $f4,(SC_FPREGS+32)(a0) + sdc1 $f6,(SC_FPREGS+48)(a0) + sdc1 $f8,(SC_FPREGS+64)(a0) + sdc1 $f10,(SC_FPREGS+80)(a0) + sdc1 $f12,(SC_FPREGS+96)(a0) + sdc1 $f14,(SC_FPREGS+112)(a0) + sdc1 $f16,(SC_FPREGS+128)(a0) + sdc1 $f18,(SC_FPREGS+144)(a0) + sdc1 $f20,(SC_FPREGS+160)(a0) + sdc1 $f22,(SC_FPREGS+176)(a0) + sdc1 $f24,(SC_FPREGS+192)(a0) + sdc1 $f26,(SC_FPREGS+208)(a0) + sdc1 $f28,(SC_FPREGS+224)(a0) + sdc1 $f30,(SC_FPREGS+240)(a0) sw t1,SC_FPC_CSR(a0) cfc1 t0,$0 # implementation/version @@ -80,7 +80,8 @@ .set macro END(r4k_save_fp_context) -/* Restore fpu state: +/* + * Restore fpu state: * - fp gp registers * - cp1 status/control register * @@ -88,7 +89,7 @@ * frame on the current content of c0_status, not on the content of the * stack frame which might have been changed by the user. */ - LEAF(r4k_restore_fp_context) +LEAF(r4k_restore_fp_context) mfc0 t1,CP0_STATUS sll t0,t1,2 bgez t0,2f @@ -99,52 +100,46 @@ /* Restore the 16 odd double precision registers only * when enabled in the cp0 status register. */ - lwc1 $f1,(SC_FPREGS+8)(a0) - lwc1 $f3,(SC_FPREGS+24)(a0) - lwc1 $f5,(SC_FPREGS+40)(a0) - lwc1 $f7,(SC_FPREGS+56)(a0) - lwc1 $f9,(SC_FPREGS+72)(a0) - lwc1 $f11,(SC_FPREGS+88)(a0) - lwc1 $f13,(SC_FPREGS+104)(a0) - lwc1 $f15,(SC_FPREGS+120)(a0) - lwc1 $f17,(SC_FPREGS+136)(a0) - lwc1 $f19,(SC_FPREGS+152)(a0) - lwc1 $f21,(SC_FPREGS+168)(a0) - lwc1 $f23,(SC_FPREGS+184)(a0) - lwc1 $f25,(SC_FPREGS+200)(a0) - lwc1 $f27,(SC_FPREGS+216)(a0) - lwc1 $f29,(SC_FPREGS+232)(a0) - lwc1 $f31,(SC_FPREGS+248)(a0) + ldc1 $f1,(SC_FPREGS+8)(a0) + ldc1 $f3,(SC_FPREGS+24)(a0) + ldc1 $f5,(SC_FPREGS+40)(a0) + ldc1 $f7,(SC_FPREGS+56)(a0) + ldc1 $f9,(SC_FPREGS+72)(a0) + ldc1 $f11,(SC_FPREGS+88)(a0) + ldc1 $f13,(SC_FPREGS+104)(a0) + ldc1 $f15,(SC_FPREGS+120)(a0) + ldc1 $f17,(SC_FPREGS+136)(a0) + ldc1 $f19,(SC_FPREGS+152)(a0) + ldc1 $f21,(SC_FPREGS+168)(a0) + ldc1 $f23,(SC_FPREGS+184)(a0) + ldc1 $f25,(SC_FPREGS+200)(a0) + ldc1 $f27,(SC_FPREGS+216)(a0) + ldc1 $f29,(SC_FPREGS+232)(a0) + ldc1 $f31,(SC_FPREGS+248)(a0) - /* Restore the 16 even double precision registers + /* + * Restore the 16 even double precision registers * when cp1 was enabled in the cp0 status register. */ -1: - lwc1 $f0,(SC_FPREGS+0)(a0) - lwc1 $f2,(SC_FPREGS+16)(a0) - lwc1 $f4,(SC_FPREGS+32)(a0) - lwc1 $f6,(SC_FPREGS+48)(a0) - lwc1 $f8,(SC_FPREGS+64)(a0) - lwc1 $f10,(SC_FPREGS+80)(a0) - lwc1 $f12,(SC_FPREGS+96)(a0) - lwc1 $f14,(SC_FPREGS+112)(a0) - lwc1 $f16,(SC_FPREGS+128)(a0) - lwc1 $f18,(SC_FPREGS+144)(a0) - lwc1 $f20,(SC_FPREGS+160)(a0) - lwc1 $f22,(SC_FPREGS+176)(a0) - lwc1 $f24,(SC_FPREGS+192)(a0) - lwc1 $f26,(SC_FPREGS+208)(a0) - lwc1 $f28,(SC_FPREGS+224)(a0) - lwc1 $f30,(SC_FPREGS+240)(a0) - ctc1 t0,fcr31 - +1: ldc1 $f0,(SC_FPREGS+0)(a0) + ldc1 $f2,(SC_FPREGS+16)(a0) + ldc1 $f4,(SC_FPREGS+32)(a0) + ldc1 $f6,(SC_FPREGS+48)(a0) + ldc1 $f8,(SC_FPREGS+64)(a0) + ldc1 $f10,(SC_FPREGS+80)(a0) + ldc1 $f12,(SC_FPREGS+96)(a0) + ldc1 $f14,(SC_FPREGS+112)(a0) + ldc1 $f16,(SC_FPREGS+128)(a0) + ldc1 $f18,(SC_FPREGS+144)(a0) + ldc1 $f20,(SC_FPREGS+160)(a0) + ldc1 $f22,(SC_FPREGS+176)(a0) + ldc1 $f24,(SC_FPREGS+192)(a0) + ldc1 $f26,(SC_FPREGS+208)(a0) + ldc1 $f28,(SC_FPREGS+224)(a0) + ldc1 $f30,(SC_FPREGS+240)(a0) jr ra - .set nomacro - nop - .set macro -2: - jr ra - .set nomacro + ctc1 t0,fcr31 + +2: jr ra nop - .set macro END(r4k_restore_fp_context) |