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Commit b8a590c4 authored by Ishizaki Kou's avatar Ishizaki Kou Committed by Paul Mackerras
Browse files

[POWERPC] Celleb: interfaces to the hypervisor 



This patch creates Celleb platform dependent files which add
interfaces to call hypervisor.

Signed-off-by: default avatarKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent c23ef29c

arch/powerpc/platforms/celleb/beat_wrapper.h

0 → 100644
+220 −0
Original line number Diff line number Diff line 
/*

 * Beat hypervisor call I/F

 *

 * (C) Copyright 2007 TOSHIBA CORPORATION

 *

 * This code is based on arch/powerpc/platforms/pseries/plpar_wrapper.h.

 *

 * This program 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 of the License, or

 * (at your option) any later version.

 *

 * This program 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; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

#ifndef BEAT_HCALL

#include "beat_syscall.h"



/* defined in hvCall.S */

extern s64 beat_hcall_norets(u64 opcode, ...);

extern s64 beat_hcall_norets8(u64 opcode, u64 arg1, u64 arg2, u64 arg3,

	u64 arg4, u64 arg5, u64 arg6, u64 arg7, u64 arg8);

extern s64 beat_hcall1(u64 opcode, u64 retbuf[1], ...);

extern s64 beat_hcall2(u64 opcode, u64 retbuf[2], ...);

extern s64 beat_hcall3(u64 opcode, u64 retbuf[3], ...);

extern s64 beat_hcall4(u64 opcode, u64 retbuf[4], ...);

extern s64 beat_hcall5(u64 opcode, u64 retbuf[5], ...);

extern s64 beat_hcall6(u64 opcode, u64 retbuf[6], ...);



static inline s64 beat_downcount_of_interrupt(u64 plug_id)

{

	return beat_hcall_norets(HV_downcount_of_interrupt, plug_id);

}



static inline s64 beat_set_interrupt_mask(u64 index,

	u64 val0, u64 val1, u64 val2, u64 val3)

{

	return beat_hcall_norets(HV_set_interrupt_mask, index,

	       val0, val1, val2, val3);

}



static inline s64 beat_destruct_irq_plug(u64 plug_id)

{

	return beat_hcall_norets(HV_destruct_irq_plug, plug_id);

}



static inline s64 beat_construct_and_connect_irq_plug(u64 plug_id,

	u64 outlet_id)

{

	return beat_hcall_norets(HV_construct_and_connect_irq_plug, plug_id,

	       outlet_id);

}



static inline s64 beat_detect_pending_interrupts(u64 index, u64 *retbuf)

{

	return beat_hcall4(HV_detect_pending_interrupts, retbuf, index);

}



static inline s64 beat_pause(u64 style)

{

	return beat_hcall_norets(HV_pause, style);

}



static inline s64 beat_read_htab_entries(u64 htab_id, u64 index, u64 *retbuf)

{

	return beat_hcall5(HV_read_htab_entries, retbuf, htab_id, index);

}



static inline s64 beat_insert_htab_entry(u64 htab_id, u64 group,

	u64 bitmask, u64 hpte_v, u64 hpte_r, u64 *slot)

{

	u64 dummy[3];

	s64 ret;



	ret = beat_hcall3(HV_insert_htab_entry, dummy, htab_id, group,

		bitmask, hpte_v, hpte_r);

	*slot = dummy[0];

	return ret;

}



static inline s64 beat_write_htab_entry(u64 htab_id, u64 slot,

	u64 hpte_v, u64 hpte_r, u64 mask_v, u64 mask_r,

	u64 *ret_v, u64 *ret_r)

{

	u64 dummy[2];

	s64 ret;



	ret = beat_hcall2(HV_write_htab_entry, dummy, htab_id, slot,

		hpte_v, hpte_r, mask_v, mask_r);

	*ret_v = dummy[0];

	*ret_r = dummy[1];

	return ret;

}



static inline void beat_shutdown_logical_partition(u64 code)

{

	(void)beat_hcall_norets(HV_shutdown_logical_partition, code);

}



static inline s64 beat_rtc_write(u64 time_from_epoch)

{

	return beat_hcall_norets(HV_rtc_write, time_from_epoch);

}



static inline s64 beat_rtc_read(u64 *time_from_epoch)

{

	u64 dummy[1];

	s64 ret;



	ret = beat_hcall1(HV_rtc_read, dummy);

	*time_from_epoch = dummy[0];

	return ret;

}



#define	BEAT_NVRW_CNT	(sizeof(u64) * 6)



static inline s64 beat_eeprom_write(u64 index, u64 length, u8 *buffer)

{

	u64	b[6];



	if (length > BEAT_NVRW_CNT)

		return -1;

	memcpy(b, buffer, sizeof(b));

	return beat_hcall_norets8(HV_eeprom_write, index, length,

		b[0], b[1], b[2], b[3], b[4], b[5]);

}



static inline s64 beat_eeprom_read(u64 index, u64 length, u8 *buffer)

{

	u64	b[6];

	s64	ret;



	if (length > BEAT_NVRW_CNT)

		return -1;

	ret = beat_hcall6(HV_eeprom_read, b, index, length);

	memcpy(buffer, b, length);

	return ret;

}



static inline s64 beat_set_dabr(u64 value, u64 style)

{

	return beat_hcall_norets(HV_set_dabr, value, style);

}



static inline s64 beat_get_characters_from_console(u64 termno, u64 *len,

	u8 *buffer)

{

	u64 dummy[3];

	s64 ret;



	ret = beat_hcall3(HV_get_characters_from_console, dummy, termno, len);

	*len = dummy[0];

	memcpy(buffer, dummy + 1, *len);

	return ret;

}



static inline s64 beat_put_characters_to_console(u64 termno, u64 len,

	u8 *buffer)

{

	u64 b[2];



	memcpy(b, buffer, len);

	return beat_hcall_norets(HV_put_characters_to_console, termno, len,					 b[0], b[1]);

}



static inline s64 beat_get_spe_privileged_state_1_registers(

		u64 id, u64 offsetof, u64 *value)

{

	u64 dummy[1];

	s64 ret;



	ret = beat_hcall1(HV_get_spe_privileged_state_1_registers, dummy, id,

		offsetof);

	*value = dummy[0];

	return ret;

}



static inline s64 beat_set_irq_mask_for_spe(u64 id, u64 class, u64 mask)

{

	return beat_hcall_norets(HV_set_irq_mask_for_spe, id, class, mask);

}



static inline s64 beat_clear_interrupt_status_of_spe(u64 id, u64 class,

	u64 mask)

{

	return beat_hcall_norets(HV_clear_interrupt_status_of_spe,

		id, class, mask);

}



static inline s64 beat_set_spe_privileged_state_1_registers(

		u64 id, u64 offsetof, u64 value)

{

	return beat_hcall_norets(HV_set_spe_privileged_state_1_registers,

		id, offsetof, value);

}



static inline s64 beat_get_interrupt_status_of_spe(u64 id, u64 class, u64 *val)

{

	u64 dummy[1];

	s64 ret;



	ret = beat_hcall1(HV_get_interrupt_status_of_spe, dummy, id, class);

	*val = dummy[0];

	return ret;

}



static inline s64 beat_put_iopte(u64 ioas_id, u64 io_addr, u64 real_addr,

	u64 ioid, u64 flags)

{

	return beat_hcall_norets(HV_put_iopte, ioas_id, io_addr, real_addr,

		ioid, flags);

}



#endif

arch/powerpc/platforms/celleb/hvCall.S

0 → 100644
+287 −0
Original line number Diff line number Diff line 
/*

 * Beat hypervisor call I/F

 *

 * (C) Copyright 2007 TOSHIBA CORPORATION

 *

 * This code is based on arch/powerpc/platforms/pseries/hvCall.S.

 *

 * This program 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 of the License, or

 * (at your option) any later version.

 *

 * This program 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; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */



#include <asm/ppc_asm.h>



#define	STK_PARM(i)	(48 + ((i)-3)*8)



/* Not implemented on Beat, now */

#define	HCALL_INST_PRECALL

#define	HCALL_INST_POSTCALL



	.text



#define	HVSC	.long	0x44000022



/* Note: takes only 7 input parameters at maximum */

_GLOBAL(beat_hcall_norets)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	mr	r11,r3

	mr	r3,r4

	mr	r4,r5

	mr	r5,r6

	mr	r6,r7

	mr	r7,r8

	mr	r8,r9



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */



/* Note: takes 8 input parameters at maximum */

_GLOBAL(beat_hcall_norets8)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	mr	r11,r3

	mr	r3,r4

	mr	r4,r5

	mr	r5,r6

	mr	r6,r7

	mr	r7,r8

	mr	r8,r9

	ld	r10,STK_PARM(r10)(r1)



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */



/* Note: takes only 6 input parameters, 1 output parameters at maximum */

_GLOBAL(beat_hcall1)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	std	r4,STK_PARM(r4)(r1)	/* save ret buffer */



	mr	r11,r3

	mr	r3,r5

	mr	r4,r6

	mr	r5,r7

	mr	r6,r8

	mr	r7,r9

	mr	r8,r10



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	ld	r12,STK_PARM(r4)(r1)

	std	r4,  0(r12)



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */



/* Note: takes only 6 input parameters, 2 output parameters at maximum */

_GLOBAL(beat_hcall2)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	std	r4,STK_PARM(r4)(r1)	/* save ret buffer */



	mr	r11,r3

	mr	r3,r5

	mr	r4,r6

	mr	r5,r7

	mr	r6,r8

	mr	r7,r9

	mr	r8,r10



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	ld	r12,STK_PARM(r4)(r1)

	std	r4,  0(r12)

	std	r5,  8(r12)



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */



/* Note: takes only 6 input parameters, 3 output parameters at maximum */

_GLOBAL(beat_hcall3)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	std	r4,STK_PARM(r4)(r1)	/* save ret buffer */



	mr	r11,r3

	mr	r3,r5

	mr	r4,r6

	mr	r5,r7

	mr	r6,r8

	mr	r7,r9

	mr	r8,r10



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	ld	r12,STK_PARM(r4)(r1)

	std	r4,  0(r12)

	std	r5,  8(r12)

	std	r6, 16(r12)



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */



/* Note: takes only 6 input parameters, 4 output parameters at maximum */

_GLOBAL(beat_hcall4)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	std	r4,STK_PARM(r4)(r1)	/* save ret buffer */



	mr	r11,r3

	mr	r3,r5

	mr	r4,r6

	mr	r5,r7

	mr	r6,r8

	mr	r7,r9

	mr	r8,r10



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	ld	r12,STK_PARM(r4)(r1)

	std	r4,  0(r12)

	std	r5,  8(r12)

	std	r6, 16(r12)

	std	r7, 24(r12)



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */



/* Note: takes only 6 input parameters, 5 output parameters at maximum */

_GLOBAL(beat_hcall5)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	std	r4,STK_PARM(r4)(r1)	/* save ret buffer */



	mr	r11,r3

	mr	r3,r5

	mr	r4,r6

	mr	r5,r7

	mr	r6,r8

	mr	r7,r9

	mr	r8,r10



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	ld	r12,STK_PARM(r4)(r1)

	std	r4,  0(r12)

	std	r5,  8(r12)

	std	r6, 16(r12)

	std	r7, 24(r12)

	std	r8, 32(r12)



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */



/* Note: takes only 6 input parameters, 6 output parameters at maximum */

_GLOBAL(beat_hcall6)

	HMT_MEDIUM



	mfcr	r0

	stw	r0,8(r1)



	HCALL_INST_PRECALL



	std	r4,STK_PARM(r4)(r1)	/* save ret buffer */



	mr	r11,r3

	mr	r3,r5

	mr	r4,r6

	mr	r5,r7

	mr	r6,r8

	mr	r7,r9

	mr	r8,r10



	HVSC				/* invoke the hypervisor */



	HCALL_INST_POSTCALL



	ld	r12,STK_PARM(r4)(r1)

	std	r4,  0(r12)

	std	r5,  8(r12)

	std	r6, 16(r12)

	std	r7, 24(r12)

	std	r8, 32(r12)

	std	r9, 40(r12)



	lwz	r0,8(r1)

	mtcrf	0xff,r0



	blr				/* return r3 = status */