/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #include #include #include /* * kern_return_t mfspr64(uint64_t *val, int spr); * * r3: address to store value in * r4: spr to read from * */ ; Force a line boundry here .align 5 .globl EXT(mfspr64) EXT(mfspr64): ;; generic PPC 64-bit wide SPRs cmpwi r4,chud_ppc_srr0 beq mfspr64_srr0 cmpwi r4,chud_ppc_srr1 beq mfspr64_srr1 cmpwi r4,chud_ppc_dar beq mfspr64_dar cmpwi r4,chud_ppc_sdr1 beq mfspr64_sdr1 cmpwi r4,chud_ppc_sprg0 beq mfspr64_sprg0 cmpwi r4,chud_ppc_sprg1 beq mfspr64_sprg1 cmpwi r4,chud_ppc_sprg2 beq mfspr64_sprg2 cmpwi r4,chud_ppc_sprg3 beq mfspr64_sprg3 cmpwi r4,chud_ppc64_asr beq mfspr64_asr cmpwi r4,chud_ppc_dabr beq mfspr64_dabr ;; GPUL specific 64-bit wide SPRs cmpwi r4,chud_970_hid0 beq mfspr64_hid0 cmpwi r4,chud_970_hid1 beq mfspr64_hid1 cmpwi r4,chud_970_hid4 beq mfspr64_hid4 cmpwi r4,chud_970_hid5 beq mfspr64_hid5 cmpwi r4,chud_970_mmcr0 beq mfspr64_mmcr0 cmpwi r4,chud_970_mmcr1 beq mfspr64_mmcr1 cmpwi r4,chud_970_mmcra beq mfspr64_mmcra cmpwi r4,chud_970_siar beq mfspr64_siar cmpwi r4,chud_970_sdar beq mfspr64_sdar cmpwi r4,chud_970_imc beq mfspr64_imc cmpwi r4,chud_970_rmor beq mfspr64_rmor cmpwi r4,chud_970_hrmor beq mfspr64_hrmor cmpwi r4,chud_970_hior beq mfspr64_hior cmpwi r4,chud_970_lpidr beq mfspr64_lpidr cmpwi r4,chud_970_lpcr beq mfspr64_lpcr cmpwi r4,chud_970_dabrx beq mfspr64_dabrx cmpwi r4,chud_970_hsprg0 beq mfspr64_hsprg0 cmpwi r4,chud_970_hsprg1 beq mfspr64_hsprg1 cmpwi r4,chud_970_hsrr0 beq mfspr64_hsrr0 cmpwi r4,chud_970_hsrr1 beq mfspr64_hsrr1 cmpwi r4,chud_970_hdec beq mfspr64_hdec cmpwi r4,chud_970_trig0 beq mfspr64_trig0 cmpwi r4,chud_970_trig1 beq mfspr64_trig1 cmpwi r4,chud_970_trig2 beq mfspr64_trig2 cmpwi r4,chud_ppc64_accr beq mfspr64_accr cmpwi r4,chud_970_scomc beq mfspr64_scomc cmpwi r4,chud_970_scomd beq mfspr64_scomd b mfspr64_failure mfspr64_srr0: mfspr r5,chud_ppc_srr0 std r5,0(r3) b mfspr64_success mfspr64_srr1: mfspr r5,chud_ppc_srr1 std r5,0(r3) b mfspr64_success mfspr64_dar: mfspr r5,chud_ppc_dar std r5,0(r3) b mfspr64_success mfspr64_sdr1: mfspr r5,chud_ppc_sdr1 std r5,0(r3) b mfspr64_success mfspr64_sprg0: mfspr r5,chud_ppc_sprg0 std r5,0(r3) b mfspr64_success mfspr64_sprg1: mfspr r5,chud_ppc_sprg1 std r5,0(r3) b mfspr64_success mfspr64_sprg2: mfspr r5,chud_ppc_sprg2 std r5,0(r3) b mfspr64_success mfspr64_sprg3: mfspr r5,chud_ppc_sprg3 std r5,0(r3) b mfspr64_success mfspr64_asr: mfspr r5,chud_ppc64_asr std r5,0(r3) b mfspr64_success mfspr64_dabr: mfspr r5,chud_ppc_dabr std r5,0(r3) b mfspr64_success mfspr64_hid0: mfspr r5,chud_970_hid0 std r5,0(r3) b mfspr64_success mfspr64_hid1: mfspr r5,chud_970_hid1 std r5,0(r3) b mfspr64_success mfspr64_hid4: mfspr r5,chud_970_hid4 std r5,0(r3) b mfspr64_success mfspr64_hid5: mfspr r5,chud_970_hid5 std r5,0(r3) b mfspr64_success mfspr64_mmcr0: mfspr r5,chud_970_mmcr0 std r5,0(r3) b mfspr64_success mfspr64_mmcr1: mfspr r5,chud_970_mmcr1 std r5,0(r3) b mfspr64_success mfspr64_mmcra: mfspr r5,chud_970_mmcra std r5,0(r3) b mfspr64_success mfspr64_siar: mfspr r5,chud_970_siar std r5,0(r3) b mfspr64_success mfspr64_sdar: mfspr r5,chud_970_sdar std r5,0(r3) b mfspr64_success mfspr64_imc: mfspr r5,chud_970_imc std r5,0(r3) b mfspr64_success mfspr64_rmor: mfspr r5,chud_970_rmor std r5,0(r3) b mfspr64_success mfspr64_hrmor: mfspr r5,chud_970_hrmor std r5,0(r3) b mfspr64_success mfspr64_hior: mfspr r5,chud_970_hior std r5,0(r3) b mfspr64_success mfspr64_lpidr: mfspr r5,chud_970_lpidr std r5,0(r3) b mfspr64_success mfspr64_lpcr: mfspr r5,chud_970_lpcr std r5,0(r3) b mfspr64_success mfspr64_dabrx: mfspr r5,chud_970_dabrx std r5,0(r3) b mfspr64_success mfspr64_hsprg0: mfspr r5,chud_970_hsprg0 std r5,0(r3) b mfspr64_success mfspr64_hsprg1: mfspr r5,chud_970_hsprg1 std r5,0(r3) b mfspr64_success mfspr64_hsrr0: mfspr r5,chud_970_hsrr0 std r5,0(r3) b mfspr64_success mfspr64_hsrr1: mfspr r5,chud_970_hsrr1 std r5,0(r3) b mfspr64_success mfspr64_hdec: mfspr r5,chud_970_hdec std r5,0(r3) b mfspr64_success mfspr64_trig0: mfspr r5,chud_970_trig0 std r5,0(r3) b mfspr64_success mfspr64_trig1: mfspr r5,chud_970_trig1 std r5,0(r3) b mfspr64_success mfspr64_trig2: mfspr r5,chud_970_trig2 std r5,0(r3) b mfspr64_success mfspr64_accr: mfspr r5,chud_ppc64_accr std r5,0(r3) b mfspr64_success mfspr64_scomc: mfspr r5,chud_970_scomc std r5,0(r3) b mfspr64_success mfspr64_scomd: mfspr r5,chud_970_scomd std r5,0(r3) b mfspr64_success mfspr64_failure: li r3,KERN_FAILURE blr mfspr64_success: li r3,KERN_SUCCESS blr /* * kern_return_t mtspr64(int spr, uint64_t *val); * * r3: spr to write to * r4: address to get value from * */ ; Force a line boundry here .align 5 .globl EXT(mtspr64) EXT(mtspr64): ;; generic PPC 64-bit wide SPRs cmpwi r3,chud_ppc_srr0 beq mtspr64_srr0 cmpwi r3,chud_ppc_srr1 beq mtspr64_srr1 cmpwi r3,chud_ppc_dar beq mtspr64_dar cmpwi r3,chud_ppc_sdr1 beq mtspr64_sdr1 cmpwi r3,chud_ppc_sprg0 beq mtspr64_sprg0 cmpwi r3,chud_ppc_sprg1 beq mtspr64_sprg1 cmpwi r3,chud_ppc_sprg2 beq mtspr64_sprg2 cmpwi r3,chud_ppc_sprg3 beq mtspr64_sprg3 cmpwi r3,chud_ppc64_asr beq mtspr64_asr cmpwi r3,chud_ppc_dabr beq mtspr64_dabr ;; GPUL specific 64-bit wide SPRs cmpwi r3,chud_970_hid0 beq mtspr64_hid0 cmpwi r3,chud_970_hid1 beq mtspr64_hid1 cmpwi r3,chud_970_hid4 beq mtspr64_hid4 cmpwi r3,chud_970_hid5 beq mtspr64_hid5 cmpwi r3,chud_970_mmcr0 beq mtspr64_mmcr0 cmpwi r3,chud_970_mmcr1 beq mtspr64_mmcr1 cmpwi r3,chud_970_mmcra beq mtspr64_mmcra cmpwi r3,chud_970_siar beq mtspr64_siar cmpwi r3,chud_970_sdar beq mtspr64_sdar cmpwi r3,chud_970_imc beq mtspr64_imc cmpwi r3,chud_970_rmor beq mtspr64_rmor cmpwi r3,chud_970_hrmor beq mtspr64_hrmor cmpwi r3,chud_970_hior beq mtspr64_hior cmpwi r3,chud_970_lpidr beq mtspr64_lpidr cmpwi r3,chud_970_lpcr beq mtspr64_lpcr cmpwi r3,chud_970_dabrx beq mtspr64_dabrx cmpwi r3,chud_970_hsprg0 beq mtspr64_hsprg0 cmpwi r3,chud_970_hsprg1 beq mtspr64_hsprg1 cmpwi r3,chud_970_hsrr0 beq mtspr64_hsrr0 cmpwi r3,chud_970_hsrr1 beq mtspr64_hsrr1 cmpwi r3,chud_970_hdec beq mtspr64_hdec cmpwi r3,chud_970_trig0 beq mtspr64_trig0 cmpwi r3,chud_970_trig1 beq mtspr64_trig1 cmpwi r3,chud_970_trig2 beq mtspr64_trig2 cmpwi r3,chud_ppc64_accr beq mtspr64_accr cmpwi r3,chud_970_scomc beq mtspr64_scomc cmpwi r3,chud_970_scomd beq mtspr64_scomd b mtspr64_failure mtspr64_srr0: ld r5,0(r4) mtspr chud_ppc_srr0,r5 b mtspr64_success mtspr64_srr1: ld r5,0(r4) mtspr chud_ppc_srr1,r5 b mtspr64_success mtspr64_dar: ld r5,0(r4) mtspr chud_ppc_dar,r5 b mtspr64_success mtspr64_sdr1: ld r5,0(r4) mtspr chud_ppc_sdr1,r5 b mtspr64_success mtspr64_sprg0: ld r5,0(r4) mtspr chud_ppc_sprg0,r5 b mtspr64_success mtspr64_sprg1: ld r5,0(r4) mtspr chud_ppc_sprg1,r5 b mtspr64_success mtspr64_sprg2: ld r5,0(r4) mtspr chud_ppc_sprg2,r5 b mtspr64_success mtspr64_sprg3: ld r5,0(r4) mtspr chud_ppc_sprg3,r5 b mtspr64_success mtspr64_asr: ld r5,0(r4) mtspr chud_ppc64_asr,r5 b mtspr64_success mtspr64_dabr: ld r5,0(r4) mtspr chud_ppc_dabr,r5 b mtspr64_success mtspr64_hid0: ld r5,0(r4) sync mtspr chud_970_hid0,r5 mfspr r5,chud_970_hid0 /* syncronization requirements */ mfspr r5,chud_970_hid0 mfspr r5,chud_970_hid0 mfspr r5,chud_970_hid0 mfspr r5,chud_970_hid0 mfspr r5,chud_970_hid0 b mtspr64_success mtspr64_hid1: ld r5,0(r4) mtspr chud_970_hid1,r5 /* tell you twice */ mtspr chud_970_hid1,r5 isync b mtspr64_success mtspr64_hid4: ld r5,0(r4) sync /* syncronization requirements */ mtspr chud_970_hid4,r5 isync b mtspr64_success mtspr64_hid5: ld r5,0(r4) mtspr chud_970_hid5,r5 b mtspr64_success mtspr64_mmcr0: ld r5,0(r4) mtspr chud_970_mmcr0,r5 b mtspr64_success mtspr64_mmcr1: ld r5,0(r4) mtspr chud_970_mmcr1,r5 b mtspr64_success mtspr64_mmcra: ld r5,0(r4) mtspr chud_970_mmcra,r5 b mtspr64_success mtspr64_siar: ld r5,0(r4) mtspr chud_970_siar,r5 b mtspr64_success mtspr64_sdar: ld r5,0(r4) mtspr chud_970_sdar,r5 b mtspr64_success mtspr64_imc: ld r5,0(r4) mtspr chud_970_imc,r5 b mtspr64_success mtspr64_rmor: ld r5,0(r4) mtspr chud_970_rmor,r5 b mtspr64_success mtspr64_hrmor: ld r5,0(r4) mtspr chud_970_hrmor,r5 b mtspr64_success mtspr64_hior: ld r5,0(r4) mtspr chud_970_hior,r5 b mtspr64_success mtspr64_lpidr: ld r5,0(r4) mtspr chud_970_lpidr,r5 b mtspr64_success mtspr64_lpcr: ld r5,0(r4) mtspr chud_970_lpcr,r5 b mtspr64_success mtspr64_dabrx: ld r5,0(r4) mtspr chud_970_dabrx,r5 b mtspr64_success mtspr64_hsprg0: ld r5,0(r4) mtspr chud_970_hsprg0,r5 b mtspr64_success mtspr64_hsprg1: ld r5,0(r4) mtspr chud_970_hsprg1,r5 b mtspr64_success mtspr64_hsrr0: ld r5,0(r4) mtspr chud_970_hsrr0,r5 b mtspr64_success mtspr64_hsrr1: ld r5,0(r4) mtspr chud_970_hsrr1,r5 b mtspr64_success mtspr64_hdec: ld r5,0(r4) mtspr chud_970_hdec,r5 b mtspr64_success mtspr64_trig0: ld r5,0(r4) mtspr chud_970_trig0,r5 b mtspr64_success mtspr64_trig1: ld r5,0(r4) mtspr chud_970_trig1,r5 b mtspr64_success mtspr64_trig2: ld r5,0(r4) mtspr chud_970_trig2,r5 b mtspr64_success mtspr64_accr: ld r5,0(r4) mtspr chud_ppc64_accr,r5 b mtspr64_success mtspr64_scomc: ld r5,0(r4) mtspr chud_970_scomc,r5 b mtspr64_success mtspr64_scomd: ld r5,0(r4) mtspr chud_970_scomd,r5 b mtspr64_success mtspr64_failure: li r3,KERN_FAILURE blr mtspr64_success: li r3,KERN_SUCCESS blr /* * kern_return_t mfmsr64(uint64_t *val); * * r3: address to store value in * */ ; Force a line boundry here .align 5 .globl EXT(mfmsr64) EXT(mfmsr64): mfmsr r5 std r5,0(r3) mfmsr64_success: li r3,KERN_SUCCESS blr mfmsr64_failure: li r3,KERN_FAILURE blr /* * kern_return_t mtmsr64(uint64_t *val); * * r3: address to load value from * */ ; Force a line boundry here .align 5 .globl EXT(mtmsr64) EXT(mtmsr64): ld r5,0(r3) mtmsrd r5 b mtmsr64_success mtmsr64_success: li r3,KERN_SUCCESS blr mtmsr64_failure: li r3,KERN_FAILURE blr .L_end: