| /* | |
| * Special support for eabi and SVR4 | |
| * | |
| * Copyright (C) 1995, 1996, 1998, 2000, 2001 Free Software Foundation, Inc. | |
| * Copyright 2008 Freescale Semiconductor, Inc. | |
| * Written By Michael Meissner | |
| * | |
| * Based on gcc/config/rs6000/crtsavres.asm from gcc | |
| * 64 bit additions from reading the PPC elf64abi document. | |
| * | |
| * This file is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License as published by the | |
| * Free Software Foundation; either version 2, or (at your option) any | |
| * later version. | |
| * | |
| * In addition to the permissions in the GNU General Public License, the | |
| * Free Software Foundation gives you unlimited permission to link the | |
| * compiled version of this file with other programs, and to distribute | |
| * those programs without any restriction coming from the use of this | |
| * file. (The General Public License restrictions do apply in other | |
| * respects; for example, they cover modification of the file, and | |
| * distribution when not linked into another program.) | |
| * | |
| * This file 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 | |
| * General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License | |
| * along with this program; see the file COPYING. If not, write to | |
| * the Free Software Foundation, 51 Franklin Street, Fifth Floor, | |
| * Boston, MA 02110-1301, USA. | |
| * | |
| * As a special exception, if you link this library with files | |
| * compiled with GCC to produce an executable, this does not cause | |
| * the resulting executable to be covered by the GNU General Public License. | |
| * This exception does not however invalidate any other reasons why | |
| * the executable file might be covered by the GNU General Public License. | |
| */ | |
| #include <asm/ppc_asm.h> | |
| .file "crtsavres.S" | |
| #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE | |
| .section ".text" | |
| #ifndef CONFIG_PPC64 | |
| /* Routines for saving integer registers, called by the compiler. */ | |
| /* Called with r11 pointing to the stack header word of the caller of the */ | |
| /* function, just beyond the end of the integer save area. */ | |
| _GLOBAL(_savegpr_14) | |
| _GLOBAL(_save32gpr_14) | |
| stw 14,-72(11) /* save gp registers */ | |
| _GLOBAL(_savegpr_15) | |
| _GLOBAL(_save32gpr_15) | |
| stw 15,-68(11) | |
| _GLOBAL(_savegpr_16) | |
| _GLOBAL(_save32gpr_16) | |
| stw 16,-64(11) | |
| _GLOBAL(_savegpr_17) | |
| _GLOBAL(_save32gpr_17) | |
| stw 17,-60(11) | |
| _GLOBAL(_savegpr_18) | |
| _GLOBAL(_save32gpr_18) | |
| stw 18,-56(11) | |
| _GLOBAL(_savegpr_19) | |
| _GLOBAL(_save32gpr_19) | |
| stw 19,-52(11) | |
| _GLOBAL(_savegpr_20) | |
| _GLOBAL(_save32gpr_20) | |
| stw 20,-48(11) | |
| _GLOBAL(_savegpr_21) | |
| _GLOBAL(_save32gpr_21) | |
| stw 21,-44(11) | |
| _GLOBAL(_savegpr_22) | |
| _GLOBAL(_save32gpr_22) | |
| stw 22,-40(11) | |
| _GLOBAL(_savegpr_23) | |
| _GLOBAL(_save32gpr_23) | |
| stw 23,-36(11) | |
| _GLOBAL(_savegpr_24) | |
| _GLOBAL(_save32gpr_24) | |
| stw 24,-32(11) | |
| _GLOBAL(_savegpr_25) | |
| _GLOBAL(_save32gpr_25) | |
| stw 25,-28(11) | |
| _GLOBAL(_savegpr_26) | |
| _GLOBAL(_save32gpr_26) | |
| stw 26,-24(11) | |
| _GLOBAL(_savegpr_27) | |
| _GLOBAL(_save32gpr_27) | |
| stw 27,-20(11) | |
| _GLOBAL(_savegpr_28) | |
| _GLOBAL(_save32gpr_28) | |
| stw 28,-16(11) | |
| _GLOBAL(_savegpr_29) | |
| _GLOBAL(_save32gpr_29) | |
| stw 29,-12(11) | |
| _GLOBAL(_savegpr_30) | |
| _GLOBAL(_save32gpr_30) | |
| stw 30,-8(11) | |
| _GLOBAL(_savegpr_31) | |
| _GLOBAL(_save32gpr_31) | |
| stw 31,-4(11) | |
| blr | |
| /* Routines for restoring integer registers, called by the compiler. */ | |
| /* Called with r11 pointing to the stack header word of the caller of the */ | |
| /* function, just beyond the end of the integer restore area. */ | |
| _GLOBAL(_restgpr_14) | |
| _GLOBAL(_rest32gpr_14) | |
| lwz 14,-72(11) /* restore gp registers */ | |
| _GLOBAL(_restgpr_15) | |
| _GLOBAL(_rest32gpr_15) | |
| lwz 15,-68(11) | |
| _GLOBAL(_restgpr_16) | |
| _GLOBAL(_rest32gpr_16) | |
| lwz 16,-64(11) | |
| _GLOBAL(_restgpr_17) | |
| _GLOBAL(_rest32gpr_17) | |
| lwz 17,-60(11) | |
| _GLOBAL(_restgpr_18) | |
| _GLOBAL(_rest32gpr_18) | |
| lwz 18,-56(11) | |
| _GLOBAL(_restgpr_19) | |
| _GLOBAL(_rest32gpr_19) | |
| lwz 19,-52(11) | |
| _GLOBAL(_restgpr_20) | |
| _GLOBAL(_rest32gpr_20) | |
| lwz 20,-48(11) | |
| _GLOBAL(_restgpr_21) | |
| _GLOBAL(_rest32gpr_21) | |
| lwz 21,-44(11) | |
| _GLOBAL(_restgpr_22) | |
| _GLOBAL(_rest32gpr_22) | |
| lwz 22,-40(11) | |
| _GLOBAL(_restgpr_23) | |
| _GLOBAL(_rest32gpr_23) | |
| lwz 23,-36(11) | |
| _GLOBAL(_restgpr_24) | |
| _GLOBAL(_rest32gpr_24) | |
| lwz 24,-32(11) | |
| _GLOBAL(_restgpr_25) | |
| _GLOBAL(_rest32gpr_25) | |
| lwz 25,-28(11) | |
| _GLOBAL(_restgpr_26) | |
| _GLOBAL(_rest32gpr_26) | |
| lwz 26,-24(11) | |
| _GLOBAL(_restgpr_27) | |
| _GLOBAL(_rest32gpr_27) | |
| lwz 27,-20(11) | |
| _GLOBAL(_restgpr_28) | |
| _GLOBAL(_rest32gpr_28) | |
| lwz 28,-16(11) | |
| _GLOBAL(_restgpr_29) | |
| _GLOBAL(_rest32gpr_29) | |
| lwz 29,-12(11) | |
| _GLOBAL(_restgpr_30) | |
| _GLOBAL(_rest32gpr_30) | |
| lwz 30,-8(11) | |
| _GLOBAL(_restgpr_31) | |
| _GLOBAL(_rest32gpr_31) | |
| lwz 31,-4(11) | |
| blr | |
| /* Routines for restoring integer registers, called by the compiler. */ | |
| /* Called with r11 pointing to the stack header word of the caller of the */ | |
| /* function, just beyond the end of the integer restore area. */ | |
| _GLOBAL(_restgpr_14_x) | |
| _GLOBAL(_rest32gpr_14_x) | |
| lwz 14,-72(11) /* restore gp registers */ | |
| _GLOBAL(_restgpr_15_x) | |
| _GLOBAL(_rest32gpr_15_x) | |
| lwz 15,-68(11) | |
| _GLOBAL(_restgpr_16_x) | |
| _GLOBAL(_rest32gpr_16_x) | |
| lwz 16,-64(11) | |
| _GLOBAL(_restgpr_17_x) | |
| _GLOBAL(_rest32gpr_17_x) | |
| lwz 17,-60(11) | |
| _GLOBAL(_restgpr_18_x) | |
| _GLOBAL(_rest32gpr_18_x) | |
| lwz 18,-56(11) | |
| _GLOBAL(_restgpr_19_x) | |
| _GLOBAL(_rest32gpr_19_x) | |
| lwz 19,-52(11) | |
| _GLOBAL(_restgpr_20_x) | |
| _GLOBAL(_rest32gpr_20_x) | |
| lwz 20,-48(11) | |
| _GLOBAL(_restgpr_21_x) | |
| _GLOBAL(_rest32gpr_21_x) | |
| lwz 21,-44(11) | |
| _GLOBAL(_restgpr_22_x) | |
| _GLOBAL(_rest32gpr_22_x) | |
| lwz 22,-40(11) | |
| _GLOBAL(_restgpr_23_x) | |
| _GLOBAL(_rest32gpr_23_x) | |
| lwz 23,-36(11) | |
| _GLOBAL(_restgpr_24_x) | |
| _GLOBAL(_rest32gpr_24_x) | |
| lwz 24,-32(11) | |
| _GLOBAL(_restgpr_25_x) | |
| _GLOBAL(_rest32gpr_25_x) | |
| lwz 25,-28(11) | |
| _GLOBAL(_restgpr_26_x) | |
| _GLOBAL(_rest32gpr_26_x) | |
| lwz 26,-24(11) | |
| _GLOBAL(_restgpr_27_x) | |
| _GLOBAL(_rest32gpr_27_x) | |
| lwz 27,-20(11) | |
| _GLOBAL(_restgpr_28_x) | |
| _GLOBAL(_rest32gpr_28_x) | |
| lwz 28,-16(11) | |
| _GLOBAL(_restgpr_29_x) | |
| _GLOBAL(_rest32gpr_29_x) | |
| lwz 29,-12(11) | |
| _GLOBAL(_restgpr_30_x) | |
| _GLOBAL(_rest32gpr_30_x) | |
| lwz 30,-8(11) | |
| _GLOBAL(_restgpr_31_x) | |
| _GLOBAL(_rest32gpr_31_x) | |
| lwz 0,4(11) | |
| lwz 31,-4(11) | |
| mtlr 0 | |
| mr 1,11 | |
| blr | |
| #ifdef CONFIG_ALTIVEC | |
| /* Called with r0 pointing just beyond the end of the vector save area. */ | |
| _GLOBAL(_savevr_20) | |
| li r11,-192 | |
| stvx v20,r11,r0 | |
| _GLOBAL(_savevr_21) | |
| li r11,-176 | |
| stvx v21,r11,r0 | |
| _GLOBAL(_savevr_22) | |
| li r11,-160 | |
| stvx v22,r11,r0 | |
| _GLOBAL(_savevr_23) | |
| li r11,-144 | |
| stvx v23,r11,r0 | |
| _GLOBAL(_savevr_24) | |
| li r11,-128 | |
| stvx v24,r11,r0 | |
| _GLOBAL(_savevr_25) | |
| li r11,-112 | |
| stvx v25,r11,r0 | |
| _GLOBAL(_savevr_26) | |
| li r11,-96 | |
| stvx v26,r11,r0 | |
| _GLOBAL(_savevr_27) | |
| li r11,-80 | |
| stvx v27,r11,r0 | |
| _GLOBAL(_savevr_28) | |
| li r11,-64 | |
| stvx v28,r11,r0 | |
| _GLOBAL(_savevr_29) | |
| li r11,-48 | |
| stvx v29,r11,r0 | |
| _GLOBAL(_savevr_30) | |
| li r11,-32 | |
| stvx v30,r11,r0 | |
| _GLOBAL(_savevr_31) | |
| li r11,-16 | |
| stvx v31,r11,r0 | |
| blr | |
| _GLOBAL(_restvr_20) | |
| li r11,-192 | |
| lvx v20,r11,r0 | |
| _GLOBAL(_restvr_21) | |
| li r11,-176 | |
| lvx v21,r11,r0 | |
| _GLOBAL(_restvr_22) | |
| li r11,-160 | |
| lvx v22,r11,r0 | |
| _GLOBAL(_restvr_23) | |
| li r11,-144 | |
| lvx v23,r11,r0 | |
| _GLOBAL(_restvr_24) | |
| li r11,-128 | |
| lvx v24,r11,r0 | |
| _GLOBAL(_restvr_25) | |
| li r11,-112 | |
| lvx v25,r11,r0 | |
| _GLOBAL(_restvr_26) | |
| li r11,-96 | |
| lvx v26,r11,r0 | |
| _GLOBAL(_restvr_27) | |
| li r11,-80 | |
| lvx v27,r11,r0 | |
| _GLOBAL(_restvr_28) | |
| li r11,-64 | |
| lvx v28,r11,r0 | |
| _GLOBAL(_restvr_29) | |
| li r11,-48 | |
| lvx v29,r11,r0 | |
| _GLOBAL(_restvr_30) | |
| li r11,-32 | |
| lvx v30,r11,r0 | |
| _GLOBAL(_restvr_31) | |
| li r11,-16 | |
| lvx v31,r11,r0 | |
| blr | |
| #endif /* CONFIG_ALTIVEC */ | |
| #else /* CONFIG_PPC64 */ | |
| .globl _savegpr0_14 | |
| _savegpr0_14: | |
| std r14,-144(r1) | |
| .globl _savegpr0_15 | |
| _savegpr0_15: | |
| std r15,-136(r1) | |
| .globl _savegpr0_16 | |
| _savegpr0_16: | |
| std r16,-128(r1) | |
| .globl _savegpr0_17 | |
| _savegpr0_17: | |
| std r17,-120(r1) | |
| .globl _savegpr0_18 | |
| _savegpr0_18: | |
| std r18,-112(r1) | |
| .globl _savegpr0_19 | |
| _savegpr0_19: | |
| std r19,-104(r1) | |
| .globl _savegpr0_20 | |
| _savegpr0_20: | |
| std r20,-96(r1) | |
| .globl _savegpr0_21 | |
| _savegpr0_21: | |
| std r21,-88(r1) | |
| .globl _savegpr0_22 | |
| _savegpr0_22: | |
| std r22,-80(r1) | |
| .globl _savegpr0_23 | |
| _savegpr0_23: | |
| std r23,-72(r1) | |
| .globl _savegpr0_24 | |
| _savegpr0_24: | |
| std r24,-64(r1) | |
| .globl _savegpr0_25 | |
| _savegpr0_25: | |
| std r25,-56(r1) | |
| .globl _savegpr0_26 | |
| _savegpr0_26: | |
| std r26,-48(r1) | |
| .globl _savegpr0_27 | |
| _savegpr0_27: | |
| std r27,-40(r1) | |
| .globl _savegpr0_28 | |
| _savegpr0_28: | |
| std r28,-32(r1) | |
| .globl _savegpr0_29 | |
| _savegpr0_29: | |
| std r29,-24(r1) | |
| .globl _savegpr0_30 | |
| _savegpr0_30: | |
| std r30,-16(r1) | |
| .globl _savegpr0_31 | |
| _savegpr0_31: | |
| std r31,-8(r1) | |
| std r0,16(r1) | |
| blr | |
| .globl _restgpr0_14 | |
| _restgpr0_14: | |
| ld r14,-144(r1) | |
| .globl _restgpr0_15 | |
| _restgpr0_15: | |
| ld r15,-136(r1) | |
| .globl _restgpr0_16 | |
| _restgpr0_16: | |
| ld r16,-128(r1) | |
| .globl _restgpr0_17 | |
| _restgpr0_17: | |
| ld r17,-120(r1) | |
| .globl _restgpr0_18 | |
| _restgpr0_18: | |
| ld r18,-112(r1) | |
| .globl _restgpr0_19 | |
| _restgpr0_19: | |
| ld r19,-104(r1) | |
| .globl _restgpr0_20 | |
| _restgpr0_20: | |
| ld r20,-96(r1) | |
| .globl _restgpr0_21 | |
| _restgpr0_21: | |
| ld r21,-88(r1) | |
| .globl _restgpr0_22 | |
| _restgpr0_22: | |
| ld r22,-80(r1) | |
| .globl _restgpr0_23 | |
| _restgpr0_23: | |
| ld r23,-72(r1) | |
| .globl _restgpr0_24 | |
| _restgpr0_24: | |
| ld r24,-64(r1) | |
| .globl _restgpr0_25 | |
| _restgpr0_25: | |
| ld r25,-56(r1) | |
| .globl _restgpr0_26 | |
| _restgpr0_26: | |
| ld r26,-48(r1) | |
| .globl _restgpr0_27 | |
| _restgpr0_27: | |
| ld r27,-40(r1) | |
| .globl _restgpr0_28 | |
| _restgpr0_28: | |
| ld r28,-32(r1) | |
| .globl _restgpr0_29 | |
| _restgpr0_29: | |
| ld r0,16(r1) | |
| ld r29,-24(r1) | |
| mtlr r0 | |
| ld r30,-16(r1) | |
| ld r31,-8(r1) | |
| blr | |
| .globl _restgpr0_30 | |
| _restgpr0_30: | |
| ld r30,-16(r1) | |
| .globl _restgpr0_31 | |
| _restgpr0_31: | |
| ld r0,16(r1) | |
| ld r31,-8(r1) | |
| mtlr r0 | |
| blr | |
| #ifdef CONFIG_ALTIVEC | |
| /* Called with r0 pointing just beyond the end of the vector save area. */ | |
| .globl _savevr_20 | |
| _savevr_20: | |
| li r12,-192 | |
| stvx v20,r12,r0 | |
| .globl _savevr_21 | |
| _savevr_21: | |
| li r12,-176 | |
| stvx v21,r12,r0 | |
| .globl _savevr_22 | |
| _savevr_22: | |
| li r12,-160 | |
| stvx v22,r12,r0 | |
| .globl _savevr_23 | |
| _savevr_23: | |
| li r12,-144 | |
| stvx v23,r12,r0 | |
| .globl _savevr_24 | |
| _savevr_24: | |
| li r12,-128 | |
| stvx v24,r12,r0 | |
| .globl _savevr_25 | |
| _savevr_25: | |
| li r12,-112 | |
| stvx v25,r12,r0 | |
| .globl _savevr_26 | |
| _savevr_26: | |
| li r12,-96 | |
| stvx v26,r12,r0 | |
| .globl _savevr_27 | |
| _savevr_27: | |
| li r12,-80 | |
| stvx v27,r12,r0 | |
| .globl _savevr_28 | |
| _savevr_28: | |
| li r12,-64 | |
| stvx v28,r12,r0 | |
| .globl _savevr_29 | |
| _savevr_29: | |
| li r12,-48 | |
| stvx v29,r12,r0 | |
| .globl _savevr_30 | |
| _savevr_30: | |
| li r12,-32 | |
| stvx v30,r12,r0 | |
| .globl _savevr_31 | |
| _savevr_31: | |
| li r12,-16 | |
| stvx v31,r12,r0 | |
| blr | |
| .globl _restvr_20 | |
| _restvr_20: | |
| li r12,-192 | |
| lvx v20,r12,r0 | |
| .globl _restvr_21 | |
| _restvr_21: | |
| li r12,-176 | |
| lvx v21,r12,r0 | |
| .globl _restvr_22 | |
| _restvr_22: | |
| li r12,-160 | |
| lvx v22,r12,r0 | |
| .globl _restvr_23 | |
| _restvr_23: | |
| li r12,-144 | |
| lvx v23,r12,r0 | |
| .globl _restvr_24 | |
| _restvr_24: | |
| li r12,-128 | |
| lvx v24,r12,r0 | |
| .globl _restvr_25 | |
| _restvr_25: | |
| li r12,-112 | |
| lvx v25,r12,r0 | |
| .globl _restvr_26 | |
| _restvr_26: | |
| li r12,-96 | |
| lvx v26,r12,r0 | |
| .globl _restvr_27 | |
| _restvr_27: | |
| li r12,-80 | |
| lvx v27,r12,r0 | |
| .globl _restvr_28 | |
| _restvr_28: | |
| li r12,-64 | |
| lvx v28,r12,r0 | |
| .globl _restvr_29 | |
| _restvr_29: | |
| li r12,-48 | |
| lvx v29,r12,r0 | |
| .globl _restvr_30 | |
| _restvr_30: | |
| li r12,-32 | |
| lvx v30,r12,r0 | |
| .globl _restvr_31 | |
| _restvr_31: | |
| li r12,-16 | |
| lvx v31,r12,r0 | |
| blr | |
| #endif /* CONFIG_ALTIVEC */ | |
| #endif /* CONFIG_PPC64 */ | |
| #endif |