root/arch/sparc/kernel/hvcalls.S
/* SPDX-License-Identifier: GPL-2.0 */
        /* %o0: devhandle
         * %o1: devino
         *
         * returns %o0: sysino
         */
ENTRY(sun4v_devino_to_sysino)
        mov     HV_FAST_INTR_DEVINO2SYSINO, %o5
        ta      HV_FAST_TRAP
        retl
         mov    %o1, %o0
ENDPROC(sun4v_devino_to_sysino)

        /* %o0: sysino
         *
         * returns %o0: intr_enabled (HV_INTR_{DISABLED,ENABLED})
         */
ENTRY(sun4v_intr_getenabled)
        mov     HV_FAST_INTR_GETENABLED, %o5
        ta      HV_FAST_TRAP
        retl
         mov    %o1, %o0
ENDPROC(sun4v_intr_getenabled)

        /* %o0: sysino
         * %o1: intr_enabled (HV_INTR_{DISABLED,ENABLED})
         */
ENTRY(sun4v_intr_setenabled)
        mov     HV_FAST_INTR_SETENABLED, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_intr_setenabled)

        /* %o0: sysino
         *
         * returns %o0: intr_state (HV_INTR_STATE_*)
         */
ENTRY(sun4v_intr_getstate)
        mov     HV_FAST_INTR_GETSTATE, %o5
        ta      HV_FAST_TRAP
        retl
         mov    %o1, %o0
ENDPROC(sun4v_intr_getstate)

        /* %o0: sysino
         * %o1: intr_state (HV_INTR_STATE_*)
         */
ENTRY(sun4v_intr_setstate)
        mov     HV_FAST_INTR_SETSTATE, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_intr_setstate)

        /* %o0: sysino
         *
         * returns %o0: cpuid
         */
ENTRY(sun4v_intr_gettarget)
        mov     HV_FAST_INTR_GETTARGET, %o5
        ta      HV_FAST_TRAP
        retl
         mov    %o1, %o0
ENDPROC(sun4v_intr_gettarget)

        /* %o0: sysino
         * %o1: cpuid
         */
ENTRY(sun4v_intr_settarget)
        mov     HV_FAST_INTR_SETTARGET, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_intr_settarget)

        /* %o0: cpuid
         * %o1: pc
         * %o2: rtba
         * %o3: arg0
         *
         * returns %o0: status
         */
ENTRY(sun4v_cpu_start)
        mov     HV_FAST_CPU_START, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_cpu_start)

        /* %o0: cpuid
         *
         * returns %o0: status
         */
ENTRY(sun4v_cpu_stop)
        mov     HV_FAST_CPU_STOP, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_cpu_stop)

        /* returns %o0: status  */
ENTRY(sun4v_cpu_yield)
        mov     HV_FAST_CPU_YIELD, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_cpu_yield)

        /* %o0: cpuid
         *
         * returns %o0: status
         */
ENTRY(sun4v_cpu_poke)
        mov     HV_FAST_CPU_POKE, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_cpu_poke)

        /* %o0: type
         * %o1: queue paddr
         * %o2: num queue entries
         *
         * returns %o0: status
         */
ENTRY(sun4v_cpu_qconf)
        mov     HV_FAST_CPU_QCONF, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_cpu_qconf)

        /* %o0: num cpus in cpu list
         * %o1: cpu list paddr
         * %o2: mondo block paddr
         *
         * returns %o0: status
         */
ENTRY(sun4v_cpu_mondo_send)
        mov     HV_FAST_CPU_MONDO_SEND, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_cpu_mondo_send)

        /* %o0: CPU ID
         *
         * returns %o0: -status if status non-zero, else
         *         %o0: cpu state as HV_CPU_STATE_*
         */
ENTRY(sun4v_cpu_state)
        mov     HV_FAST_CPU_STATE, %o5
        ta      HV_FAST_TRAP
        brnz,pn %o0, 1f
         sub    %g0, %o0, %o0
        mov     %o1, %o0
1:      retl
         nop
ENDPROC(sun4v_cpu_state)

        /* %o0: virtual address
         * %o1: must be zero
         * %o2: TTE
         * %o3: HV_MMU_* flags
         *
         * returns %o0: status
         */
ENTRY(sun4v_mmu_map_perm_addr)
        mov     HV_FAST_MMU_MAP_PERM_ADDR, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_mmu_map_perm_addr)

        /* %o0: number of TSB descriptions
         * %o1: TSB descriptions real address
         *
         * returns %o0: status
         */
ENTRY(sun4v_mmu_tsb_ctx0)
        mov     HV_FAST_MMU_TSB_CTX0, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_mmu_tsb_ctx0)

        /* %o0: API group number
         * %o1: pointer to unsigned long major number storage
         * %o2: pointer to unsigned long minor number storage
         *
         * returns %o0: status
         */
ENTRY(sun4v_get_version)
        mov     HV_CORE_GET_VER, %o5
        mov     %o1, %o3
        mov     %o2, %o4
        ta      HV_CORE_TRAP
        stx     %o1, [%o3]
        retl
         stx    %o2, [%o4]
ENDPROC(sun4v_get_version)

        /* %o0: API group number
         * %o1: desired major number
         * %o2: desired minor number
         * %o3: pointer to unsigned long actual minor number storage
         *
         * returns %o0: status
         */
ENTRY(sun4v_set_version)
        mov     HV_CORE_SET_VER, %o5
        mov     %o3, %o4
        ta      HV_CORE_TRAP
        retl
         stx    %o1, [%o4]
ENDPROC(sun4v_set_version)

        /* %o0: pointer to unsigned long time
         *
         * returns %o0: status
         */
ENTRY(sun4v_tod_get)
        mov     %o0, %o4
        mov     HV_FAST_TOD_GET, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_tod_get)

        /* %o0: time
         *
         * returns %o0: status
         */
ENTRY(sun4v_tod_set)
        mov     HV_FAST_TOD_SET, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_tod_set)

        /* %o0: pointer to unsigned long status
         *
         * returns %o0: signed character
         */
ENTRY(sun4v_con_getchar)
        mov     %o0, %o4
        mov     HV_FAST_CONS_GETCHAR, %o5
        clr     %o0
        clr     %o1
        ta      HV_FAST_TRAP
        stx     %o0, [%o4]
        retl
         sra    %o1, 0, %o0
ENDPROC(sun4v_con_getchar)

        /* %o0: signed long character
         *
         * returns %o0: status
         */
ENTRY(sun4v_con_putchar)
        mov     HV_FAST_CONS_PUTCHAR, %o5
        ta      HV_FAST_TRAP
        retl
         sra    %o0, 0, %o0
ENDPROC(sun4v_con_putchar)

        /* %o0: buffer real address
         * %o1: buffer size
         * %o2: pointer to unsigned long bytes_read
         *
         * returns %o0: status
         */
ENTRY(sun4v_con_read)
        mov     %o2, %o4
        mov     HV_FAST_CONS_READ, %o5
        ta      HV_FAST_TRAP
        brnz    %o0, 1f
         cmp    %o1, -1         /* break */
        be,a,pn %icc, 1f
         mov    %o1, %o0
        cmp     %o1, -2         /* hup */
        be,a,pn %icc, 1f
         mov    %o1, %o0
        stx     %o1, [%o4]
1:      retl
         nop
ENDPROC(sun4v_con_read)

        /* %o0: buffer real address
         * %o1: buffer size
         * %o2: pointer to unsigned long bytes_written
         *
         * returns %o0: status
         */
ENTRY(sun4v_con_write)
        mov     %o2, %o4
        mov     HV_FAST_CONS_WRITE, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_con_write)

        /* %o0: soft state
         * %o1: address of description string
         *
         * returns %o0: status
         */
ENTRY(sun4v_mach_set_soft_state)
        mov     HV_FAST_MACH_SET_SOFT_STATE, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_mach_set_soft_state)

        /* %o0: exit code
         *
         * Does not return.
         */
ENTRY(sun4v_mach_exit)
        mov     HV_FAST_MACH_EXIT, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_mach_exit)

        /* %o0: buffer real address
         * %o1: buffer length
         * %o2: pointer to unsigned long real_buf_len
         *
         * returns %o0: status
         */
ENTRY(sun4v_mach_desc)
        mov     %o2, %o4
        mov     HV_FAST_MACH_DESC, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_mach_desc)

        /* %o0: new timeout in milliseconds
         * %o1: pointer to unsigned long orig_timeout
         *
         * returns %o0: status
         */
ENTRY(sun4v_mach_set_watchdog)
        mov     %o1, %o4
        mov     HV_FAST_MACH_SET_WATCHDOG, %o5
        ta      HV_FAST_TRAP
        brnz,a,pn %o4, 0f
        stx     %o1, [%o4]
0:      retl
         nop
ENDPROC(sun4v_mach_set_watchdog)
EXPORT_SYMBOL(sun4v_mach_set_watchdog)

        /* No inputs and does not return.  */
ENTRY(sun4v_mach_sir)
        mov     %o1, %o4
        mov     HV_FAST_MACH_SIR, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_mach_sir)

        /* %o0: channel
         * %o1: ra
         * %o2: num_entries
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_tx_qconf)
        mov     HV_FAST_LDC_TX_QCONF, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ldc_tx_qconf)

        /* %o0: channel
         * %o1: pointer to unsigned long ra
         * %o2: pointer to unsigned long num_entries
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_tx_qinfo)
        mov     %o1, %g1
        mov     %o2, %g2
        mov     HV_FAST_LDC_TX_QINFO, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        stx     %o2, [%g2]
        retl
         nop
ENDPROC(sun4v_ldc_tx_qinfo)

        /* %o0: channel
         * %o1: pointer to unsigned long head_off
         * %o2: pointer to unsigned long tail_off
         * %o2: pointer to unsigned long chan_state
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_tx_get_state)
        mov     %o1, %g1
        mov     %o2, %g2
        mov     %o3, %g3
        mov     HV_FAST_LDC_TX_GET_STATE, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        stx     %o2, [%g2]
        stx     %o3, [%g3]
        retl
         nop
ENDPROC(sun4v_ldc_tx_get_state)

        /* %o0: channel
         * %o1: tail_off
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_tx_set_qtail)
        mov     HV_FAST_LDC_TX_SET_QTAIL, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ldc_tx_set_qtail)

        /* %o0: channel
         * %o1: ra
         * %o2: num_entries
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_rx_qconf)
        mov     HV_FAST_LDC_RX_QCONF, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ldc_rx_qconf)

        /* %o0: channel
         * %o1: pointer to unsigned long ra
         * %o2: pointer to unsigned long num_entries
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_rx_qinfo)
        mov     %o1, %g1
        mov     %o2, %g2
        mov     HV_FAST_LDC_RX_QINFO, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        stx     %o2, [%g2]
        retl
         nop
ENDPROC(sun4v_ldc_rx_qinfo)

        /* %o0: channel
         * %o1: pointer to unsigned long head_off
         * %o2: pointer to unsigned long tail_off
         * %o2: pointer to unsigned long chan_state
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_rx_get_state)
        mov     %o1, %g1
        mov     %o2, %g2
        mov     %o3, %g3
        mov     HV_FAST_LDC_RX_GET_STATE, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        stx     %o2, [%g2]
        stx     %o3, [%g3]
        retl
         nop
ENDPROC(sun4v_ldc_rx_get_state)

        /* %o0: channel
         * %o1: head_off
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_rx_set_qhead)
        mov     HV_FAST_LDC_RX_SET_QHEAD, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ldc_rx_set_qhead)

        /* %o0: channel
         * %o1: ra
         * %o2: num_entries
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_set_map_table)
        mov     HV_FAST_LDC_SET_MAP_TABLE, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ldc_set_map_table)

        /* %o0: channel
         * %o1: pointer to unsigned long ra
         * %o2: pointer to unsigned long num_entries
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_get_map_table)
        mov     %o1, %g1
        mov     %o2, %g2
        mov     HV_FAST_LDC_GET_MAP_TABLE, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        stx     %o2, [%g2]
        retl
         nop
ENDPROC(sun4v_ldc_get_map_table)

        /* %o0: channel
         * %o1: dir_code
         * %o2: tgt_raddr
         * %o3: lcl_raddr
         * %o4: len
         * %o5: pointer to unsigned long actual_len
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_copy)
        mov     %o5, %g1
        mov     HV_FAST_LDC_COPY, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        retl
         nop
ENDPROC(sun4v_ldc_copy)

        /* %o0: channel
         * %o1: cookie
         * %o2: pointer to unsigned long ra
         * %o3: pointer to unsigned long perm
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_mapin)
        mov     %o2, %g1
        mov     %o3, %g2
        mov     HV_FAST_LDC_MAPIN, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        stx     %o2, [%g2]
        retl
         nop
ENDPROC(sun4v_ldc_mapin)

        /* %o0: ra
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_unmap)
        mov     HV_FAST_LDC_UNMAP, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ldc_unmap)

        /* %o0: channel
         * %o1: cookie
         * %o2: mte_cookie
         *
         * returns %o0: status
         */
ENTRY(sun4v_ldc_revoke)
        mov     HV_FAST_LDC_REVOKE, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ldc_revoke)

        /* %o0: device handle
         * %o1: device INO
         * %o2: pointer to unsigned long cookie
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_get_cookie)
        mov     %o2, %g1
        mov     HV_FAST_VINTR_GET_COOKIE, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        retl
         nop
ENDPROC(sun4v_vintr_get_cookie)

        /* %o0: device handle
         * %o1: device INO
         * %o2: cookie
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_set_cookie)
        mov     HV_FAST_VINTR_SET_COOKIE, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_vintr_set_cookie)

        /* %o0: device handle
         * %o1: device INO
         * %o2: pointer to unsigned long valid_state
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_get_valid)
        mov     %o2, %g1
        mov     HV_FAST_VINTR_GET_VALID, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        retl
         nop
ENDPROC(sun4v_vintr_get_valid)

        /* %o0: device handle
         * %o1: device INO
         * %o2: valid_state
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_set_valid)
        mov     HV_FAST_VINTR_SET_VALID, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_vintr_set_valid)

        /* %o0: device handle
         * %o1: device INO
         * %o2: pointer to unsigned long state
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_get_state)
        mov     %o2, %g1
        mov     HV_FAST_VINTR_GET_STATE, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        retl
         nop
ENDPROC(sun4v_vintr_get_state)

        /* %o0: device handle
         * %o1: device INO
         * %o2: state
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_set_state)
        mov     HV_FAST_VINTR_SET_STATE, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_vintr_set_state)

        /* %o0: device handle
         * %o1: device INO
         * %o2: pointer to unsigned long cpuid
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_get_target)
        mov     %o2, %g1
        mov     HV_FAST_VINTR_GET_TARGET, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%g1]
        retl
         nop
ENDPROC(sun4v_vintr_get_target)

        /* %o0: device handle
         * %o1: device INO
         * %o2: cpuid
         *
         * returns %o0: status
         */
ENTRY(sun4v_vintr_set_target)
        mov     HV_FAST_VINTR_SET_TARGET, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_vintr_set_target)

        /* %o0: NCS sub-function
         * %o1: sub-function arg real-address
         * %o2: sub-function arg size
         *
         * returns %o0: status
         */
ENTRY(sun4v_ncs_request)
        mov     HV_FAST_NCS_REQUEST, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_ncs_request)

ENTRY(sun4v_svc_send)
        save    %sp, -192, %sp
        mov     %i0, %o0
        mov     %i1, %o1
        mov     %i2, %o2
        mov     HV_FAST_SVC_SEND, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%i3]
        ret
        restore
ENDPROC(sun4v_svc_send)

ENTRY(sun4v_svc_recv)
        save    %sp, -192, %sp
        mov     %i0, %o0
        mov     %i1, %o1
        mov     %i2, %o2
        mov     HV_FAST_SVC_RECV, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%i3]
        ret
        restore
ENDPROC(sun4v_svc_recv)

ENTRY(sun4v_svc_getstatus)
        mov     HV_FAST_SVC_GETSTATUS, %o5
        mov     %o1, %o4
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_svc_getstatus)

ENTRY(sun4v_svc_setstatus)
        mov     HV_FAST_SVC_SETSTATUS, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_svc_setstatus)

ENTRY(sun4v_svc_clrstatus)
        mov     HV_FAST_SVC_CLRSTATUS, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_svc_clrstatus)

ENTRY(sun4v_mmustat_conf)
        mov     %o1, %o4
        mov     HV_FAST_MMUSTAT_CONF, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_mmustat_conf)

ENTRY(sun4v_mmustat_info)
        mov     %o0, %o4
        mov     HV_FAST_MMUSTAT_INFO, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_mmustat_info)

ENTRY(sun4v_mmu_demap_all)
        clr     %o0
        clr     %o1
        mov     HV_MMU_ALL, %o2
        mov     HV_FAST_MMU_DEMAP_ALL, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_mmu_demap_all)

ENTRY(sun4v_niagara_getperf)
        mov     %o0, %o4
        mov     HV_FAST_GET_PERFREG, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_niagara_getperf)
EXPORT_SYMBOL(sun4v_niagara_getperf)

ENTRY(sun4v_niagara_setperf)
        mov     HV_FAST_SET_PERFREG, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_niagara_setperf)
EXPORT_SYMBOL(sun4v_niagara_setperf)

ENTRY(sun4v_niagara2_getperf)
        mov     %o0, %o4
        mov     HV_FAST_N2_GET_PERFREG, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_niagara2_getperf)
EXPORT_SYMBOL(sun4v_niagara2_getperf)

ENTRY(sun4v_niagara2_setperf)
        mov     HV_FAST_N2_SET_PERFREG, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_niagara2_setperf)
EXPORT_SYMBOL(sun4v_niagara2_setperf)

ENTRY(sun4v_reboot_data_set)
        mov     HV_FAST_REBOOT_DATA_SET, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_reboot_data_set)

ENTRY(sun4v_vt_get_perfreg)
        mov     %o1, %o4
        mov     HV_FAST_VT_GET_PERFREG, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_vt_get_perfreg)

ENTRY(sun4v_vt_set_perfreg)
        mov     HV_FAST_VT_SET_PERFREG, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_vt_set_perfreg)

ENTRY(sun4v_t5_get_perfreg)
        mov     %o1, %o4
        mov     HV_FAST_T5_GET_PERFREG, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         nop
ENDPROC(sun4v_t5_get_perfreg)

ENTRY(sun4v_t5_set_perfreg)
        mov     HV_FAST_T5_SET_PERFREG, %o5
        ta      HV_FAST_TRAP
        retl
         nop
ENDPROC(sun4v_t5_set_perfreg)

ENTRY(sun4v_m7_get_perfreg)
        mov     %o1, %o4
        mov     HV_FAST_M7_GET_PERFREG, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
        nop
ENDPROC(sun4v_m7_get_perfreg)

ENTRY(sun4v_m7_set_perfreg)
        mov     HV_FAST_M7_SET_PERFREG, %o5
        ta      HV_FAST_TRAP
        retl
        nop
ENDPROC(sun4v_m7_set_perfreg)

        /* %o0: address of CCB array
         * %o1: size (in bytes) of CCB array
         * %o2: flags
         * %o3: reserved
         *
         * returns:
         * %o0: status
         * %o1: size (in bytes) of the CCB array that was accepted
         * %o2: status data
         * %o3: reserved
         */
ENTRY(sun4v_ccb_submit)
        mov     %o5, %g1
        mov     HV_CCB_SUBMIT, %o5
        ta      HV_FAST_TRAP
        stx     %o1, [%o4]
        retl
         stx    %o2, [%g1]
ENDPROC(sun4v_ccb_submit)
EXPORT_SYMBOL(sun4v_ccb_submit)

        /* %o0: completion area ra for the ccb to get info
         *
         * returns:
         * %o0: status
         * %o1: CCB state
         * %o2: position
         * %o3: dax unit
         * %o4: queue
         */
ENTRY(sun4v_ccb_info)
        mov     %o1, %g1
        mov     HV_CCB_INFO, %o5
        ta      HV_FAST_TRAP
        sth     %o1, [%g1 + CCB_INFO_OFFSET_CCB_STATE]
        sth     %o2, [%g1 + CCB_INFO_OFFSET_QUEUE_POS]
        sth     %o3, [%g1 + CCB_INFO_OFFSET_DAX_UNIT]
        retl
         sth    %o4, [%g1 + CCB_INFO_OFFSET_QUEUE_NUM]
ENDPROC(sun4v_ccb_info)
EXPORT_SYMBOL(sun4v_ccb_info)

        /* %o0: completion area ra for the ccb to kill
         *
         * returns:
         * %o0: status
         * %o1: result of the kill
         */
ENTRY(sun4v_ccb_kill)
        mov     %o1, %g1
        mov     HV_CCB_KILL, %o5
        ta      HV_FAST_TRAP
        retl
         sth    %o1, [%g1]
ENDPROC(sun4v_ccb_kill)
EXPORT_SYMBOL(sun4v_ccb_kill)