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
/*
* 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
/*
* 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 */
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