| /* getcontext/setcontext/makecontext support for e500 high parts of registers. |
| Copyright (C) 2006-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _CONTEXT_E500_H |
| #define _CONTEXT_E500_H 1 |
| |
| #if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT) |
| |
| # define __CONTEXT_ENABLE_E500 1 |
| |
| /* We follow the kernel's layout, which saves the high parts of the |
| SPE registers in the vregs area, immediately followed by the ACC |
| value (call-clobbered, not handled here) and the SPEFSCR value. */ |
| |
| .macro getcontext_e500 |
| la r10,(_UC_VREGS)(r3) |
| evstwwe r0,(0*4)(r10) |
| evstwwe r1,(1*4)(r10) |
| evstwwe r2,(2*4)(r10) |
| evstwwe r3,(3*4)(r10) |
| evstwwe r4,(4*4)(r10) |
| evstwwe r5,(5*4)(r10) |
| evstwwe r6,(6*4)(r10) |
| evstwwe r7,(7*4)(r10) |
| evstwwe r8,(8*4)(r10) |
| evstwwe r9,(9*4)(r10) |
| evstwwe r10,(10*4)(r10) |
| evstwwe r11,(11*4)(r10) |
| evstwwe r12,(12*4)(r10) |
| evstwwe r13,(13*4)(r10) |
| evstwwe r14,(14*4)(r10) |
| evstwwe r15,(15*4)(r10) |
| evstwwe r16,(16*4)(r10) |
| evstwwe r17,(17*4)(r10) |
| evstwwe r18,(18*4)(r10) |
| evstwwe r19,(19*4)(r10) |
| evstwwe r20,(20*4)(r10) |
| evstwwe r21,(21*4)(r10) |
| evstwwe r22,(22*4)(r10) |
| evstwwe r23,(23*4)(r10) |
| evstwwe r24,(24*4)(r10) |
| evstwwe r25,(25*4)(r10) |
| evstwwe r26,(26*4)(r10) |
| evstwwe r27,(27*4)(r10) |
| evstwwe r28,(28*4)(r10) |
| evstwwe r29,(29*4)(r10) |
| evstwwe r30,(30*4)(r10) |
| evstwwe r31,(31*4)(r10) |
| mfspefscr r9 |
| stw r9,(34*4)(r10) |
| .endm |
| |
| .macro setcontext_e500 |
| lwz r3,_UC_VREGS+(0*4)(r31) |
| evmergelo r0,r3,r0 |
| lwz r3,_UC_VREGS+(1*4)(r31) |
| evmergelo r1,r3,r1 |
| lwz r3,_UC_VREGS+(2*4)(r31) |
| evmergelo r2,r3,r2 |
| lwz r3,_UC_VREGS+(1*4)(r31) |
| evmergelo r1,r3,r1 |
| lwz r3,_UC_VREGS+(2*4)(r31) |
| evmergelo r2,r3,r2 |
| lwz r3,_UC_VREGS+(3*4)(r31) |
| evmergelo r3,r3,r3 |
| lwz r3,_UC_VREGS+(4*4)(r31) |
| evmergelo r4,r3,r4 |
| lwz r3,_UC_VREGS+(5*4)(r31) |
| evmergelo r5,r3,r5 |
| lwz r3,_UC_VREGS+(6*4)(r31) |
| evmergelo r6,r3,r6 |
| lwz r3,_UC_VREGS+(7*4)(r31) |
| evmergelo r7,r3,r7 |
| lwz r3,_UC_VREGS+(8*4)(r31) |
| evmergelo r8,r3,r8 |
| lwz r3,_UC_VREGS+(9*4)(r31) |
| evmergelo r9,r3,r9 |
| lwz r3,_UC_VREGS+(10*4)(r31) |
| evmergelo r10,r3,r10 |
| lwz r3,_UC_VREGS+(11*4)(r31) |
| evmergelo r11,r3,r11 |
| lwz r3,_UC_VREGS+(12*4)(r31) |
| evmergelo r12,r3,r12 |
| lwz r3,_UC_VREGS+(13*4)(r31) |
| evmergelo r13,r3,r13 |
| lwz r3,_UC_VREGS+(14*4)(r31) |
| evmergelo r14,r3,r14 |
| lwz r3,_UC_VREGS+(15*4)(r31) |
| evmergelo r15,r3,r15 |
| lwz r3,_UC_VREGS+(16*4)(r31) |
| evmergelo r16,r3,r16 |
| lwz r3,_UC_VREGS+(17*4)(r31) |
| evmergelo r17,r3,r17 |
| lwz r3,_UC_VREGS+(18*4)(r31) |
| evmergelo r18,r3,r18 |
| lwz r3,_UC_VREGS+(19*4)(r31) |
| evmergelo r19,r3,r19 |
| lwz r3,_UC_VREGS+(20*4)(r31) |
| evmergelo r20,r3,r20 |
| lwz r3,_UC_VREGS+(21*4)(r31) |
| evmergelo r21,r3,r21 |
| lwz r3,_UC_VREGS+(22*4)(r31) |
| evmergelo r22,r3,r22 |
| lwz r3,_UC_VREGS+(23*4)(r31) |
| evmergelo r23,r3,r23 |
| lwz r3,_UC_VREGS+(24*4)(r31) |
| evmergelo r24,r3,r24 |
| lwz r3,_UC_VREGS+(25*4)(r31) |
| evmergelo r25,r3,r25 |
| lwz r3,_UC_VREGS+(26*4)(r31) |
| evmergelo r26,r3,r26 |
| lwz r3,_UC_VREGS+(27*4)(r31) |
| evmergelo r27,r3,r27 |
| lwz r3,_UC_VREGS+(28*4)(r31) |
| evmergelo r28,r3,r28 |
| lwz r3,_UC_VREGS+(29*4)(r31) |
| evmergelo r29,r3,r29 |
| lwz r3,_UC_VREGS+(30*4)(r31) |
| evmergelo r30,r3,r30 |
| lwz r3,_UC_VREGS+(31*4)(r31) |
| evmergelo r31,r3,r31 |
| lwz r3,_UC_VREGS+(34*4)(r31) |
| mtspefscr r3 |
| .endm |
| #else |
| # undef __CONTEXT_ENABLE_E500 |
| #endif |
| |
| #endif /* context-e500.h */ |
