mirror of https://gitee.com/openkylin/linux.git
288 lines
4.5 KiB
ArmAsm
288 lines
4.5 KiB
ArmAsm
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/*
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* Beat hypervisor call I/F
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*
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* (C) Copyright 2007 TOSHIBA CORPORATION
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*
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* This code is based on arch/powerpc/platforms/pseries/hvCall.S.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <asm/ppc_asm.h>
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#define STK_PARM(i) (48 + ((i)-3)*8)
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/* Not implemented on Beat, now */
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#define HCALL_INST_PRECALL
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#define HCALL_INST_POSTCALL
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.text
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#define HVSC .long 0x44000022
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/* Note: takes only 7 input parameters at maximum */
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_GLOBAL(beat_hcall_norets)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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mr r11,r3
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mr r3,r4
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mr r4,r5
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mr r5,r6
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mr r6,r7
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mr r7,r8
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mr r8,r9
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Note: takes 8 input parameters at maximum */
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_GLOBAL(beat_hcall_norets8)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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mr r11,r3
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mr r3,r4
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mr r4,r5
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mr r5,r6
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mr r6,r7
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mr r7,r8
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mr r8,r9
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ld r10,STK_PARM(r10)(r1)
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Note: takes only 6 input parameters, 1 output parameters at maximum */
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_GLOBAL(beat_hcall1)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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std r4,STK_PARM(r4)(r1) /* save ret buffer */
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mr r11,r3
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mr r3,r5
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mr r4,r6
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mr r5,r7
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mr r6,r8
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mr r7,r9
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mr r8,r10
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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ld r12,STK_PARM(r4)(r1)
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std r4, 0(r12)
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Note: takes only 6 input parameters, 2 output parameters at maximum */
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_GLOBAL(beat_hcall2)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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std r4,STK_PARM(r4)(r1) /* save ret buffer */
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mr r11,r3
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mr r3,r5
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mr r4,r6
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mr r5,r7
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mr r6,r8
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mr r7,r9
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mr r8,r10
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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ld r12,STK_PARM(r4)(r1)
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std r4, 0(r12)
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std r5, 8(r12)
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Note: takes only 6 input parameters, 3 output parameters at maximum */
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_GLOBAL(beat_hcall3)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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std r4,STK_PARM(r4)(r1) /* save ret buffer */
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mr r11,r3
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mr r3,r5
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mr r4,r6
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mr r5,r7
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mr r6,r8
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mr r7,r9
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mr r8,r10
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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ld r12,STK_PARM(r4)(r1)
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std r4, 0(r12)
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std r5, 8(r12)
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std r6, 16(r12)
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Note: takes only 6 input parameters, 4 output parameters at maximum */
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_GLOBAL(beat_hcall4)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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std r4,STK_PARM(r4)(r1) /* save ret buffer */
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mr r11,r3
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mr r3,r5
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mr r4,r6
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mr r5,r7
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mr r6,r8
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mr r7,r9
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mr r8,r10
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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ld r12,STK_PARM(r4)(r1)
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std r4, 0(r12)
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std r5, 8(r12)
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std r6, 16(r12)
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std r7, 24(r12)
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Note: takes only 6 input parameters, 5 output parameters at maximum */
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_GLOBAL(beat_hcall5)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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std r4,STK_PARM(r4)(r1) /* save ret buffer */
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mr r11,r3
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mr r3,r5
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mr r4,r6
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mr r5,r7
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mr r6,r8
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mr r7,r9
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mr r8,r10
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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ld r12,STK_PARM(r4)(r1)
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std r4, 0(r12)
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std r5, 8(r12)
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std r6, 16(r12)
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std r7, 24(r12)
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std r8, 32(r12)
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Note: takes only 6 input parameters, 6 output parameters at maximum */
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_GLOBAL(beat_hcall6)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HCALL_INST_PRECALL
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std r4,STK_PARM(r4)(r1) /* save ret buffer */
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mr r11,r3
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mr r3,r5
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mr r4,r6
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mr r5,r7
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mr r6,r8
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mr r7,r9
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mr r8,r10
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HVSC /* invoke the hypervisor */
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HCALL_INST_POSTCALL
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ld r12,STK_PARM(r4)(r1)
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std r4, 0(r12)
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std r5, 8(r12)
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std r6, 16(r12)
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std r7, 24(r12)
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std r8, 32(r12)
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std r9, 40(r12)
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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